Merge pull request #789 from tfarley/opengl-renderer
OpenGL Hardware Renderer
This commit is contained in:
bunnei
commit
7b94b312d3
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@ -18,6 +18,8 @@
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#include "citra/config.h"
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#include "citra/emu_window/emu_window_glfw.h"
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#include "video_core/video_core.h"
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/// Application entry point
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int main(int argc, char **argv) {
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Log::Filter log_filter(Log::Level::Debug);
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@ -34,6 +36,8 @@ int main(int argc, char **argv) {
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std::string boot_filename = argv[1];
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EmuWindow_GLFW* emu_window = new EmuWindow_GLFW;
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VideoCore::g_hw_renderer_enabled = Settings::values.use_hw_renderer;
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System::Init(emu_window);
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Loader::ResultStatus load_result = Loader::LoadFile(boot_filename);
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@ -70,6 +70,8 @@ void Config::ReadValues() {
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Settings::values.frame_skip = glfw_config->GetInteger("Core", "frame_skip", 0);
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// Renderer
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Settings::values.use_hw_renderer = glfw_config->GetBoolean("Renderer", "use_hw_renderer", false);
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Settings::values.bg_red = (float)glfw_config->GetReal("Renderer", "bg_red", 1.0);
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Settings::values.bg_green = (float)glfw_config->GetReal("Renderer", "bg_green", 1.0);
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Settings::values.bg_blue = (float)glfw_config->GetReal("Renderer", "bg_blue", 1.0);
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@ -42,6 +42,10 @@ gpu_refresh_rate =
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frame_skip =
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[Renderer]
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# Whether to use software or hardware rendering.
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# 0 (default): Software, 1: Hardware
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use_hw_renderer =
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# The clear color for the renderer. What shows up on the sides of the bottom screen.
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# Must be in range of 0.0-1.0. Defaults to 1.0 for all.
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bg_red =
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@ -28,11 +28,11 @@
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EmuThread::EmuThread(GRenderWindow* render_window) :
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exec_step(false), running(false), stop_run(false), render_window(render_window) {
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connect(this, SIGNAL(started()), render_window, SLOT(moveContext()));
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}
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void EmuThread::run() {
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render_window->MakeCurrent();
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stop_run = false;
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// holds whether the cpu was running during the last iteration,
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@ -54,6 +54,8 @@ void Config::ReadValues() {
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qt_config->endGroup();
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qt_config->beginGroup("Renderer");
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Settings::values.use_hw_renderer = qt_config->value("use_hw_renderer", false).toBool();
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Settings::values.bg_red = qt_config->value("bg_red", 1.0).toFloat();
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Settings::values.bg_green = qt_config->value("bg_green", 1.0).toFloat();
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Settings::values.bg_blue = qt_config->value("bg_blue", 1.0).toFloat();
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@ -105,6 +107,8 @@ void Config::SaveValues() {
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qt_config->endGroup();
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qt_config->beginGroup("Renderer");
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qt_config->setValue("use_hw_renderer", Settings::values.use_hw_renderer);
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// Cast to double because Qt's written float values are not human-readable
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qt_config->setValue("bg_red", (double)Settings::values.bg_red);
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qt_config->setValue("bg_green", (double)Settings::values.bg_green);
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@ -44,6 +44,8 @@
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#include "core/arm/disassembler/load_symbol_map.h"
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#include "citra_qt/config.h"
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#include "video_core/video_core.h"
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#include "version.h"
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GMainWindow::GMainWindow() : emu_thread(nullptr)
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@ -123,6 +125,9 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
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restoreState(settings.value("state").toByteArray());
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render_window->restoreGeometry(settings.value("geometryRenderWindow").toByteArray());
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ui.action_Use_Hardware_Renderer->setChecked(Settings::values.use_hw_renderer);
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SetHardwareRendererEnabled(ui.action_Use_Hardware_Renderer->isChecked());
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ui.action_Single_Window_Mode->setChecked(settings.value("singleWindowMode", true).toBool());
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ToggleWindowMode();
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@ -135,6 +140,7 @@ GMainWindow::GMainWindow() : emu_thread(nullptr)
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connect(ui.action_Start, SIGNAL(triggered()), this, SLOT(OnStartGame()));
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connect(ui.action_Pause, SIGNAL(triggered()), this, SLOT(OnPauseGame()));
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connect(ui.action_Stop, SIGNAL(triggered()), this, SLOT(OnStopGame()));
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connect(ui.action_Use_Hardware_Renderer, SIGNAL(triggered(bool)), this, SLOT(SetHardwareRendererEnabled(bool)));
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connect(ui.action_Single_Window_Mode, SIGNAL(triggered(bool)), this, SLOT(ToggleWindowMode()));
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connect(ui.action_Hotkeys, SIGNAL(triggered()), this, SLOT(OnOpenHotkeysDialog()));
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@ -210,6 +216,7 @@ void GMainWindow::BootGame(std::string filename) {
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// Create and start the emulation thread
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emu_thread = Common::make_unique<EmuThread>(render_window);
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emit EmulationStarting(emu_thread.get());
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render_window->moveContext();
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emu_thread->start();
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// BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views before the CPU continues
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@ -300,6 +307,9 @@ void GMainWindow::OnOpenHotkeysDialog()
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dialog.exec();
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}
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void GMainWindow::SetHardwareRendererEnabled(bool enabled) {
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VideoCore::g_hw_renderer_enabled = enabled;
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}
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void GMainWindow::ToggleWindowMode() {
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if (ui.action_Single_Window_Mode->isChecked()) {
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@ -69,6 +69,7 @@ private slots:
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void OnOpenHotkeysDialog();
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void OnConfigure();
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void OnDisplayTitleBars(bool);
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void SetHardwareRendererEnabled(bool);
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void ToggleWindowMode();
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private:
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@ -52,6 +52,7 @@
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<addaction name="action_Pause"/>
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<addaction name="action_Stop"/>
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<addaction name="separator"/>
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<addaction name="action_Use_Hardware_Renderer"/>
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<addaction name="action_Configure"/>
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</widget>
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<widget class="QMenu" name="menu_View">
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@ -131,6 +132,14 @@
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<string>Configure &Hotkeys ...</string>
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</property>
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</action>
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<action name="action_Use_Hardware_Renderer">
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<property name="checkable">
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<bool>true</bool>
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</property>
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<property name="text">
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<string>Use Hardware Renderer</string>
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</property>
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</action>
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<action name="action_Configure">
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<property name="text">
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<string>Configure ...</string>
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@ -11,6 +11,10 @@
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namespace MathUtil
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{
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inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start1, unsigned length1) {
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return (std::max(start0, start1) <= std::min(start0 + length0, start1 + length1));
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}
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template<typename T>
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inline T Clamp(const T val, const T& min, const T& max)
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{
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@ -15,6 +15,7 @@
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#include "core/hw/lcd.h"
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#include "video_core/gpu_debugger.h"
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#include "video_core/video_core.h"
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// Main graphics debugger object - TODO: Here is probably not the best place for this
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GraphicsDebugger g_debugger;
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@ -264,6 +265,8 @@ static void FlushDataCache(Service::Interface* self) {
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u32 size = cmd_buff[2];
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u32 process = cmd_buff[4];
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(Memory::VirtualToPhysicalAddress(address), size);
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// TODO(purpasmart96): Verify return header on HW
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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@ -352,10 +355,16 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
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// GX request DMA - typically used for copying memory from GSP heap to VRAM
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case CommandId::REQUEST_DMA:
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VideoCore::g_renderer->hw_rasterizer->NotifyPreRead(Memory::VirtualToPhysicalAddress(command.dma_request.source_address),
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command.dma_request.size);
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memcpy(Memory::GetPointer(command.dma_request.dest_address),
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Memory::GetPointer(command.dma_request.source_address),
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command.dma_request.size);
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SignalInterrupt(InterruptId::DMA);
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(Memory::VirtualToPhysicalAddress(command.dma_request.dest_address),
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command.dma_request.size);
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break;
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// ctrulib homebrew sends all relevant command list data with this command,
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@ -9,7 +9,11 @@
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#include "core/hle/hle.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/service/y2r_u.h"
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#include "core/mem_map.h"
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#include "core/memory.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace Y2R_U
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@ -260,6 +264,13 @@ static void StartConversion(Service::Interface* self) {
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break;
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}
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}
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// dst_image_size would seem to be perfect for this, but it doesn't include the stride :(
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u32 total_output_size = conversion_params.input_lines *
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(conversion_params.dst_transfer_unit + conversion_params.dst_stride);
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(
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Memory::VirtualToPhysicalAddress(conversion_params.dst_address), total_output_size);
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LOG_DEBUG(Service_Y2R, "called");
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completion_event->Signal();
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@ -106,6 +106,8 @@ inline void Write(u32 addr, const T data) {
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} else {
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GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PSC1);
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}
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetStartAddress(), config.GetEndAddress() - config.GetStartAddress());
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}
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break;
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}
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@ -129,19 +131,25 @@ inline void Write(u32 addr, const T data) {
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u32 output_width = config.output_width / horizontal_scale;
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u32 output_height = config.output_height / vertical_scale;
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u32 input_size = config.input_width * config.input_height * GPU::Regs::BytesPerPixel(config.input_format);
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u32 output_size = output_width * output_height * GPU::Regs::BytesPerPixel(config.output_format);
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VideoCore::g_renderer->hw_rasterizer->NotifyPreRead(config.GetPhysicalInputAddress(), input_size);
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if (config.raw_copy) {
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// Raw copies do not perform color conversion nor tiled->linear / linear->tiled conversions
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// TODO(Subv): Verify if raw copies perform scaling
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memcpy(dst_pointer, src_pointer, config.output_width * config.output_height *
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GPU::Regs::BytesPerPixel(config.output_format));
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memcpy(dst_pointer, src_pointer, output_size);
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LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), output format: %x, flags 0x%08X, Raw copy",
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config.output_height * output_width * GPU::Regs::BytesPerPixel(config.output_format),
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output_size,
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config.GetPhysicalInputAddress(), config.input_width.Value(), config.input_height.Value(),
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config.GetPhysicalOutputAddress(), config.output_width.Value(), config.output_height.Value(),
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config.output_format.Value(), config.flags);
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GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF);
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetPhysicalOutputAddress(), output_size);
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break;
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}
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@ -247,6 +255,8 @@ inline void Write(u32 addr, const T data) {
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config.output_format.Value(), config.flags);
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GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF);
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VideoCore::g_renderer->hw_rasterizer->NotifyFlush(config.GetPhysicalOutputAddress(), output_size);
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}
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break;
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}
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@ -45,6 +45,8 @@ struct Values {
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int region_value;
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// Renderer
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bool use_hw_renderer;
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float bg_red;
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float bg_green;
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float bg_blue;
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@ -1,7 +1,11 @@
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set(SRCS
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renderer_opengl/generated/gl_3_2_core.c
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renderer_opengl/renderer_opengl.cpp
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renderer_opengl/gl_rasterizer.cpp
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renderer_opengl/gl_rasterizer_cache.cpp
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renderer_opengl/gl_resource_manager.cpp
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renderer_opengl/gl_shader_util.cpp
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renderer_opengl/gl_state.cpp
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renderer_opengl/renderer_opengl.cpp
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debug_utils/debug_utils.cpp
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clipper.cpp
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command_processor.cpp
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@ -15,13 +19,19 @@ set(SRCS
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set(HEADERS
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debug_utils/debug_utils.h
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renderer_opengl/generated/gl_3_2_core.h
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renderer_opengl/gl_rasterizer.h
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renderer_opengl/gl_rasterizer_cache.h
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renderer_opengl/gl_resource_manager.h
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renderer_opengl/gl_shader_util.h
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renderer_opengl/gl_shaders.h
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renderer_opengl/gl_state.h
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renderer_opengl/pica_to_gl.h
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renderer_opengl/renderer_opengl.h
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clipper.h
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color.h
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command_processor.h
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gpu_debugger.h
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hwrasterizer_base.h
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math.h
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pica.h
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primitive_assembly.h
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@ -12,8 +12,10 @@
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#include "pica.h"
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#include "primitive_assembly.h"
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#include "vertex_shader.h"
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#include "video_core.h"
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#include "core/hle/service/gsp_gpu.h"
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#include "core/hw/gpu.h"
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#include "core/settings.h"
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#include "debug_utils/debug_utils.h"
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@ -107,7 +109,7 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
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bool index_u16 = index_info.format != 0;
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DebugUtils::GeometryDumper geometry_dumper;
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PrimitiveAssembler<VertexShader::OutputVertex> clipper_primitive_assembler(registers.triangle_topology.Value());
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PrimitiveAssembler<VertexShader::OutputVertex> primitive_assembler(registers.triangle_topology.Value());
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PrimitiveAssembler<DebugUtils::GeometryDumper::Vertex> dumping_primitive_assembler(registers.triangle_topology.Value());
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for (unsigned int index = 0; index < registers.num_vertices; ++index)
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@ -185,9 +187,25 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
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// TODO: Add processed vertex to vertex cache!
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}
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// Send to triangle clipper
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clipper_primitive_assembler.SubmitVertex(output, Clipper::ProcessTriangle);
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if (Settings::values.use_hw_renderer) {
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// Send to hardware renderer
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static auto AddHWTriangle = [](const Pica::VertexShader::OutputVertex& v0,
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const Pica::VertexShader::OutputVertex& v1,
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const Pica::VertexShader::OutputVertex& v2) {
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VideoCore::g_renderer->hw_rasterizer->AddTriangle(v0, v1, v2);
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};
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primitive_assembler.SubmitVertex(output, AddHWTriangle);
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} else {
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// Send to triangle clipper
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primitive_assembler.SubmitVertex(output, Clipper::ProcessTriangle);
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}
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}
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if (Settings::values.use_hw_renderer) {
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VideoCore::g_renderer->hw_rasterizer->DrawTriangles();
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}
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geometry_dumper.Dump();
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if (g_debug_context)
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@ -340,6 +358,8 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
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break;
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}
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VideoCore::g_renderer->hw_rasterizer->NotifyPicaRegisterChanged(id);
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if (g_debug_context)
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g_debug_context->OnEvent(DebugContext::Event::CommandProcessed, reinterpret_cast<void*>(&id));
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}
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@ -24,6 +24,7 @@
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#include "video_core/math.h"
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#include "video_core/pica.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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#include "debug_utils.h"
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@ -40,6 +41,9 @@ void DebugContext::OnEvent(Event event, void* data) {
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{
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std::unique_lock<std::mutex> lock(breakpoint_mutex);
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// Commit the hardware renderer's framebuffer so it will show on debug widgets
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VideoCore::g_renderer->hw_rasterizer->CommitFramebuffer();
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// TODO: Should stop the CPU thread here once we multithread emulation.
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active_breakpoint = event;
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@ -0,0 +1,40 @@
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// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/emu_window.h"
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#include "video_core/vertex_shader.h"
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class HWRasterizer {
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public:
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virtual ~HWRasterizer() {
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}
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/// Initialize API-specific GPU objects
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virtual void InitObjects() = 0;
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/// Reset the rasterizer, such as flushing all caches and updating all state
|
||||
virtual void Reset() = 0;
|
||||
|
||||
/// Queues the primitive formed by the given vertices for rendering
|
||||
virtual void AddTriangle(const Pica::VertexShader::OutputVertex& v0,
|
||||
const Pica::VertexShader::OutputVertex& v1,
|
||||
const Pica::VertexShader::OutputVertex& v2) = 0;
|
||||
|
||||
/// Draw the current batch of triangles
|
||||
virtual void DrawTriangles() = 0;
|
||||
|
||||
/// Commit the rasterizer's framebuffer contents immediately to the current 3DS memory framebuffer
|
||||
virtual void CommitFramebuffer() = 0;
|
||||
|
||||
/// Notify rasterizer that the specified PICA register has been changed
|
||||
virtual void NotifyPicaRegisterChanged(u32 id) = 0;
|
||||
|
||||
/// Notify rasterizer that the specified 3DS memory region will be read from after this notification
|
||||
virtual void NotifyPreRead(PAddr addr, u32 size) = 0;
|
||||
|
||||
/// Notify rasterizer that a 3DS memory region has been changed
|
||||
virtual void NotifyFlush(PAddr addr, u32 size) = 0;
|
||||
};
|
||||
|
|
@ -490,20 +490,37 @@ struct Regs {
|
|||
}
|
||||
}
|
||||
|
||||
struct {
|
||||
// Components are laid out in reverse byte order, most significant bits first.
|
||||
enum ColorFormat : u32 {
|
||||
RGBA8 = 0,
|
||||
RGB8 = 1,
|
||||
RGB5A1 = 2,
|
||||
RGB565 = 3,
|
||||
RGBA4 = 4,
|
||||
};
|
||||
// Components are laid out in reverse byte order, most significant bits first.
|
||||
enum ColorFormat : u32 {
|
||||
RGBA8 = 0,
|
||||
RGB8 = 1,
|
||||
RGB5A1 = 2,
|
||||
RGB565 = 3,
|
||||
RGBA4 = 4,
|
||||
};
|
||||
|
||||
// Returns the number of bytes in the specified color format
|
||||
static unsigned BytesPerColorPixel(ColorFormat format) {
|
||||
switch (format) {
|
||||
case ColorFormat::RGBA8:
|
||||
return 4;
|
||||
case ColorFormat::RGB8:
|
||||
return 3;
|
||||
case ColorFormat::RGB5A1:
|
||||
case ColorFormat::RGB565:
|
||||
case ColorFormat::RGBA4:
|
||||
return 2;
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unknown color format %u", format);
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
}
|
||||
|
||||
struct {
|
||||
INSERT_PADDING_WORDS(0x6);
|
||||
|
||||
DepthFormat depth_format;
|
||||
BitField<16, 3, u32> color_format;
|
||||
BitField<16, 3, ColorFormat> color_format;
|
||||
|
||||
INSERT_PADDING_WORDS(0x4);
|
||||
|
||||
|
|
|
|||
|
|
@ -36,23 +36,23 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
|
|||
u8* dst_pixel = Memory::GetPhysicalPointer(addr) + dst_offset;
|
||||
|
||||
switch (registers.framebuffer.color_format) {
|
||||
case registers.framebuffer.RGBA8:
|
||||
case Pica::Regs::ColorFormat::RGBA8:
|
||||
Color::EncodeRGBA8(color, dst_pixel);
|
||||
break;
|
||||
|
||||
case registers.framebuffer.RGB8:
|
||||
case Pica::Regs::ColorFormat::RGB8:
|
||||
Color::EncodeRGB8(color, dst_pixel);
|
||||
break;
|
||||
|
||||
case registers.framebuffer.RGB5A1:
|
||||
case Pica::Regs::ColorFormat::RGB5A1:
|
||||
Color::EncodeRGB5A1(color, dst_pixel);
|
||||
break;
|
||||
|
||||
case registers.framebuffer.RGB565:
|
||||
case Pica::Regs::ColorFormat::RGB565:
|
||||
Color::EncodeRGB565(color, dst_pixel);
|
||||
break;
|
||||
|
||||
case registers.framebuffer.RGBA4:
|
||||
case Pica::Regs::ColorFormat::RGBA4:
|
||||
Color::EncodeRGBA4(color, dst_pixel);
|
||||
break;
|
||||
|
||||
|
|
@ -73,19 +73,19 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
|
|||
u8* src_pixel = Memory::GetPhysicalPointer(addr) + src_offset;
|
||||
|
||||
switch (registers.framebuffer.color_format) {
|
||||
case registers.framebuffer.RGBA8:
|
||||
case Pica::Regs::ColorFormat::RGBA8:
|
||||
return Color::DecodeRGBA8(src_pixel);
|
||||
|
||||
case registers.framebuffer.RGB8:
|
||||
case Pica::Regs::ColorFormat::RGB8:
|
||||
return Color::DecodeRGB8(src_pixel);
|
||||
|
||||
case registers.framebuffer.RGB5A1:
|
||||
case Pica::Regs::ColorFormat::RGB5A1:
|
||||
return Color::DecodeRGB5A1(src_pixel);
|
||||
|
||||
case registers.framebuffer.RGB565:
|
||||
case Pica::Regs::ColorFormat::RGB565:
|
||||
return Color::DecodeRGB565(src_pixel);
|
||||
|
||||
case registers.framebuffer.RGBA4:
|
||||
case Pica::Regs::ColorFormat::RGBA4:
|
||||
return Color::DecodeRGBA4(src_pixel);
|
||||
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -6,6 +6,8 @@
|
|||
|
||||
#include "common/common_types.h"
|
||||
|
||||
#include "video_core/hwrasterizer_base.h"
|
||||
|
||||
class RendererBase : NonCopyable {
|
||||
public:
|
||||
|
||||
|
|
@ -48,6 +50,8 @@ public:
|
|||
return m_current_frame;
|
||||
}
|
||||
|
||||
std::unique_ptr<HWRasterizer> hw_rasterizer;
|
||||
|
||||
protected:
|
||||
f32 m_current_fps; ///< Current framerate, should be set by the renderer
|
||||
int m_current_frame; ///< Current frame, should be set by the renderer
|
||||
|
|
|
|||
|
|
@ -0,0 +1,879 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "core/settings.h"
|
||||
#include "core/hw/gpu.h"
|
||||
|
||||
#include "video_core/color.h"
|
||||
#include "video_core/pica.h"
|
||||
#include "video_core/utils.h"
|
||||
#include "video_core/renderer_opengl/gl_rasterizer.h"
|
||||
#include "video_core/renderer_opengl/gl_shaders.h"
|
||||
#include "video_core/renderer_opengl/gl_shader_util.h"
|
||||
#include "video_core/renderer_opengl/pica_to_gl.h"
|
||||
|
||||
#include "generated/gl_3_2_core.h"
|
||||
|
||||
#include <memory>
|
||||
|
||||
static bool IsPassThroughTevStage(const Pica::Regs::TevStageConfig& stage) {
|
||||
return (stage.color_op == Pica::Regs::TevStageConfig::Operation::Replace &&
|
||||
stage.alpha_op == Pica::Regs::TevStageConfig::Operation::Replace &&
|
||||
stage.color_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
|
||||
stage.alpha_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
|
||||
stage.color_modifier1 == Pica::Regs::TevStageConfig::ColorModifier::SourceColor &&
|
||||
stage.alpha_modifier1 == Pica::Regs::TevStageConfig::AlphaModifier::SourceAlpha &&
|
||||
stage.GetColorMultiplier() == 1 &&
|
||||
stage.GetAlphaMultiplier() == 1);
|
||||
}
|
||||
|
||||
RasterizerOpenGL::RasterizerOpenGL() : last_fb_color_addr(0), last_fb_depth_addr(0) { }
|
||||
RasterizerOpenGL::~RasterizerOpenGL() { }
|
||||
|
||||
void RasterizerOpenGL::InitObjects() {
|
||||
// Create the hardware shader program and get attrib/uniform locations
|
||||
shader.Create(GLShaders::g_vertex_shader_hw, GLShaders::g_fragment_shader_hw);
|
||||
attrib_position = glGetAttribLocation(shader.handle, "vert_position");
|
||||
attrib_color = glGetAttribLocation(shader.handle, "vert_color");
|
||||
attrib_texcoords = glGetAttribLocation(shader.handle, "vert_texcoords");
|
||||
|
||||
uniform_alphatest_enabled = glGetUniformLocation(shader.handle, "alphatest_enabled");
|
||||
uniform_alphatest_func = glGetUniformLocation(shader.handle, "alphatest_func");
|
||||
uniform_alphatest_ref = glGetUniformLocation(shader.handle, "alphatest_ref");
|
||||
|
||||
uniform_tex = glGetUniformLocation(shader.handle, "tex");
|
||||
|
||||
uniform_tev_combiner_buffer_color = glGetUniformLocation(shader.handle, "tev_combiner_buffer_color");
|
||||
|
||||
const auto tev_stages = Pica::registers.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
auto& uniform_tev_cfg = uniform_tev_cfgs[tev_stage_index];
|
||||
|
||||
std::string tev_ref_str = "tev_cfgs[" + std::to_string(tev_stage_index) + "]";
|
||||
uniform_tev_cfg.enabled = glGetUniformLocation(shader.handle, (tev_ref_str + ".enabled").c_str());
|
||||
uniform_tev_cfg.color_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_sources").c_str());
|
||||
uniform_tev_cfg.alpha_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_sources").c_str());
|
||||
uniform_tev_cfg.color_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_modifiers").c_str());
|
||||
uniform_tev_cfg.alpha_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_modifiers").c_str());
|
||||
uniform_tev_cfg.color_alpha_op = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_op").c_str());
|
||||
uniform_tev_cfg.color_alpha_multiplier = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_multiplier").c_str());
|
||||
uniform_tev_cfg.const_color = glGetUniformLocation(shader.handle, (tev_ref_str + ".const_color").c_str());
|
||||
uniform_tev_cfg.updates_combiner_buffer_color_alpha = glGetUniformLocation(shader.handle, (tev_ref_str + ".updates_combiner_buffer_color_alpha").c_str());
|
||||
}
|
||||
|
||||
// Generate VBO and VAO
|
||||
vertex_buffer.Create();
|
||||
vertex_array.Create();
|
||||
|
||||
// Update OpenGL state
|
||||
state.draw.vertex_array = vertex_array.handle;
|
||||
state.draw.vertex_buffer = vertex_buffer.handle;
|
||||
state.draw.shader_program = shader.handle;
|
||||
|
||||
state.Apply();
|
||||
|
||||
// Set the texture samplers to correspond to different texture units
|
||||
glUniform1i(uniform_tex, 0);
|
||||
glUniform1i(uniform_tex + 1, 1);
|
||||
glUniform1i(uniform_tex + 2, 2);
|
||||
|
||||
// Set vertex attributes
|
||||
glVertexAttribPointer(attrib_position, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, position));
|
||||
glVertexAttribPointer(attrib_color, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, color));
|
||||
glVertexAttribPointer(attrib_texcoords, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord0));
|
||||
glVertexAttribPointer(attrib_texcoords + 1, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord1));
|
||||
glVertexAttribPointer(attrib_texcoords + 2, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord2));
|
||||
glEnableVertexAttribArray(attrib_position);
|
||||
glEnableVertexAttribArray(attrib_color);
|
||||
glEnableVertexAttribArray(attrib_texcoords);
|
||||
glEnableVertexAttribArray(attrib_texcoords + 1);
|
||||
glEnableVertexAttribArray(attrib_texcoords + 2);
|
||||
|
||||
// Create textures for OGL framebuffer that will be rendered to, initially 1x1 to succeed in framebuffer creation
|
||||
fb_color_texture.texture.Create();
|
||||
ReconfigureColorTexture(fb_color_texture, Pica::Regs::ColorFormat::RGBA8, 1, 1);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
|
||||
fb_depth_texture.texture.Create();
|
||||
ReconfigureDepthTexture(fb_depth_texture, Pica::Regs::DepthFormat::D16, 1, 1);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
|
||||
|
||||
// Configure OpenGL framebuffer
|
||||
framebuffer.Create();
|
||||
|
||||
state.draw.framebuffer = framebuffer.handle;
|
||||
|
||||
// Unbind texture to allow binding to framebuffer
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = 0;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fb_color_texture.texture.handle, 0);
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, fb_depth_texture.texture.handle, 0);
|
||||
|
||||
ASSERT_MSG(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE,
|
||||
"OpenGL rasterizer framebuffer setup failed, status %X", glCheckFramebufferStatus(GL_FRAMEBUFFER));
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::Reset() {
|
||||
SyncCullMode();
|
||||
SyncBlendEnabled();
|
||||
SyncBlendFuncs();
|
||||
SyncBlendColor();
|
||||
SyncAlphaTest();
|
||||
SyncStencilTest();
|
||||
SyncDepthTest();
|
||||
|
||||
// TEV stage 0
|
||||
SyncTevSources(0, Pica::registers.tev_stage0);
|
||||
SyncTevModifiers(0, Pica::registers.tev_stage0);
|
||||
SyncTevOps(0, Pica::registers.tev_stage0);
|
||||
SyncTevColor(0, Pica::registers.tev_stage0);
|
||||
SyncTevMultipliers(0, Pica::registers.tev_stage0);
|
||||
|
||||
// TEV stage 1
|
||||
SyncTevSources(1, Pica::registers.tev_stage1);
|
||||
SyncTevModifiers(1, Pica::registers.tev_stage1);
|
||||
SyncTevOps(1, Pica::registers.tev_stage1);
|
||||
SyncTevColor(1, Pica::registers.tev_stage1);
|
||||
SyncTevMultipliers(1, Pica::registers.tev_stage1);
|
||||
|
||||
// TEV stage 2
|
||||
SyncTevSources(2, Pica::registers.tev_stage2);
|
||||
SyncTevModifiers(2, Pica::registers.tev_stage2);
|
||||
SyncTevOps(2, Pica::registers.tev_stage2);
|
||||
SyncTevColor(2, Pica::registers.tev_stage2);
|
||||
SyncTevMultipliers(2, Pica::registers.tev_stage2);
|
||||
|
||||
// TEV stage 3
|
||||
SyncTevSources(3, Pica::registers.tev_stage3);
|
||||
SyncTevModifiers(3, Pica::registers.tev_stage3);
|
||||
SyncTevOps(3, Pica::registers.tev_stage3);
|
||||
SyncTevColor(3, Pica::registers.tev_stage3);
|
||||
SyncTevMultipliers(3, Pica::registers.tev_stage3);
|
||||
|
||||
// TEV stage 4
|
||||
SyncTevSources(4, Pica::registers.tev_stage4);
|
||||
SyncTevModifiers(4, Pica::registers.tev_stage4);
|
||||
SyncTevOps(4, Pica::registers.tev_stage4);
|
||||
SyncTevColor(4, Pica::registers.tev_stage4);
|
||||
SyncTevMultipliers(4, Pica::registers.tev_stage4);
|
||||
|
||||
// TEV stage 5
|
||||
SyncTevSources(5, Pica::registers.tev_stage5);
|
||||
SyncTevModifiers(5, Pica::registers.tev_stage5);
|
||||
SyncTevOps(5, Pica::registers.tev_stage5);
|
||||
SyncTevColor(5, Pica::registers.tev_stage5);
|
||||
SyncTevMultipliers(5, Pica::registers.tev_stage5);
|
||||
|
||||
SyncCombinerColor();
|
||||
SyncCombinerWriteFlags();
|
||||
|
||||
res_cache.FullFlush();
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::AddTriangle(const Pica::VertexShader::OutputVertex& v0,
|
||||
const Pica::VertexShader::OutputVertex& v1,
|
||||
const Pica::VertexShader::OutputVertex& v2) {
|
||||
vertex_batch.push_back(HardwareVertex(v0));
|
||||
vertex_batch.push_back(HardwareVertex(v1));
|
||||
vertex_batch.push_back(HardwareVertex(v2));
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::DrawTriangles() {
|
||||
SyncFramebuffer();
|
||||
SyncDrawState();
|
||||
|
||||
glBufferData(GL_ARRAY_BUFFER, vertex_batch.size() * sizeof(HardwareVertex), vertex_batch.data(), GL_STREAM_DRAW);
|
||||
glDrawArrays(GL_TRIANGLES, 0, (GLsizei)vertex_batch.size());
|
||||
|
||||
vertex_batch.clear();
|
||||
|
||||
// TODO: Flush the resource cache at the current depth and color framebuffer addresses for render-to-texture
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::CommitFramebuffer() {
|
||||
CommitColorBuffer();
|
||||
CommitDepthBuffer();
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
|
||||
if (!Settings::values.use_hw_renderer)
|
||||
return;
|
||||
|
||||
switch(id) {
|
||||
// Culling
|
||||
case PICA_REG_INDEX(cull_mode):
|
||||
SyncCullMode();
|
||||
break;
|
||||
|
||||
// Blending
|
||||
case PICA_REG_INDEX(output_merger.alphablend_enable):
|
||||
SyncBlendEnabled();
|
||||
break;
|
||||
case PICA_REG_INDEX(output_merger.alpha_blending):
|
||||
SyncBlendFuncs();
|
||||
break;
|
||||
case PICA_REG_INDEX(output_merger.blend_const):
|
||||
SyncBlendColor();
|
||||
break;
|
||||
|
||||
// Alpha test
|
||||
case PICA_REG_INDEX(output_merger.alpha_test):
|
||||
SyncAlphaTest();
|
||||
break;
|
||||
|
||||
// Stencil test
|
||||
case PICA_REG_INDEX(output_merger.stencil_test):
|
||||
SyncStencilTest();
|
||||
break;
|
||||
|
||||
// Depth test
|
||||
case PICA_REG_INDEX(output_merger.depth_test_enable):
|
||||
SyncDepthTest();
|
||||
break;
|
||||
|
||||
// TEV stage 0
|
||||
case PICA_REG_INDEX(tev_stage0.color_source1):
|
||||
SyncTevSources(0, Pica::registers.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_modifier1):
|
||||
SyncTevModifiers(0, Pica::registers.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_op):
|
||||
SyncTevOps(0, Pica::registers.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.const_r):
|
||||
SyncTevColor(0, Pica::registers.tev_stage0);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage0.color_scale):
|
||||
SyncTevMultipliers(0, Pica::registers.tev_stage0);
|
||||
break;
|
||||
|
||||
// TEV stage 1
|
||||
case PICA_REG_INDEX(tev_stage1.color_source1):
|
||||
SyncTevSources(1, Pica::registers.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_modifier1):
|
||||
SyncTevModifiers(1, Pica::registers.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_op):
|
||||
SyncTevOps(1, Pica::registers.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.const_r):
|
||||
SyncTevColor(1, Pica::registers.tev_stage1);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage1.color_scale):
|
||||
SyncTevMultipliers(1, Pica::registers.tev_stage1);
|
||||
break;
|
||||
|
||||
// TEV stage 2
|
||||
case PICA_REG_INDEX(tev_stage2.color_source1):
|
||||
SyncTevSources(2, Pica::registers.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_modifier1):
|
||||
SyncTevModifiers(2, Pica::registers.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_op):
|
||||
SyncTevOps(2, Pica::registers.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.const_r):
|
||||
SyncTevColor(2, Pica::registers.tev_stage2);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage2.color_scale):
|
||||
SyncTevMultipliers(2, Pica::registers.tev_stage2);
|
||||
break;
|
||||
|
||||
// TEV stage 3
|
||||
case PICA_REG_INDEX(tev_stage3.color_source1):
|
||||
SyncTevSources(3, Pica::registers.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_modifier1):
|
||||
SyncTevModifiers(3, Pica::registers.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_op):
|
||||
SyncTevOps(3, Pica::registers.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.const_r):
|
||||
SyncTevColor(3, Pica::registers.tev_stage3);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage3.color_scale):
|
||||
SyncTevMultipliers(3, Pica::registers.tev_stage3);
|
||||
break;
|
||||
|
||||
// TEV stage 4
|
||||
case PICA_REG_INDEX(tev_stage4.color_source1):
|
||||
SyncTevSources(4, Pica::registers.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_modifier1):
|
||||
SyncTevModifiers(4, Pica::registers.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_op):
|
||||
SyncTevOps(4, Pica::registers.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.const_r):
|
||||
SyncTevColor(4, Pica::registers.tev_stage4);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage4.color_scale):
|
||||
SyncTevMultipliers(4, Pica::registers.tev_stage4);
|
||||
break;
|
||||
|
||||
// TEV stage 5
|
||||
case PICA_REG_INDEX(tev_stage5.color_source1):
|
||||
SyncTevSources(5, Pica::registers.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_modifier1):
|
||||
SyncTevModifiers(5, Pica::registers.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_op):
|
||||
SyncTevOps(5, Pica::registers.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.const_r):
|
||||
SyncTevColor(5, Pica::registers.tev_stage5);
|
||||
break;
|
||||
case PICA_REG_INDEX(tev_stage5.color_scale):
|
||||
SyncTevMultipliers(5, Pica::registers.tev_stage5);
|
||||
break;
|
||||
|
||||
// TEV combiner buffer color
|
||||
case PICA_REG_INDEX(tev_combiner_buffer_color):
|
||||
SyncCombinerColor();
|
||||
break;
|
||||
|
||||
// TEV combiner buffer write flags
|
||||
case PICA_REG_INDEX(tev_combiner_buffer_input):
|
||||
SyncCombinerWriteFlags();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::NotifyPreRead(PAddr addr, u32 size) {
|
||||
if (!Settings::values.use_hw_renderer)
|
||||
return;
|
||||
|
||||
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||||
u32 cur_fb_color_size = Pica::Regs::BytesPerColorPixel(Pica::registers.framebuffer.color_format)
|
||||
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||||
|
||||
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||||
u32 cur_fb_depth_size = Pica::Regs::BytesPerDepthPixel(Pica::registers.framebuffer.depth_format)
|
||||
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||||
|
||||
// If source memory region overlaps 3DS framebuffers, commit them before the copy happens
|
||||
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_color_addr, cur_fb_color_size))
|
||||
CommitColorBuffer();
|
||||
|
||||
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_depth_addr, cur_fb_depth_size))
|
||||
CommitDepthBuffer();
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::NotifyFlush(PAddr addr, u32 size) {
|
||||
if (!Settings::values.use_hw_renderer)
|
||||
return;
|
||||
|
||||
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||||
u32 cur_fb_color_size = Pica::Regs::BytesPerColorPixel(Pica::registers.framebuffer.color_format)
|
||||
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||||
|
||||
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||||
u32 cur_fb_depth_size = Pica::Regs::BytesPerDepthPixel(Pica::registers.framebuffer.depth_format)
|
||||
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||||
|
||||
// If modified memory region overlaps 3DS framebuffers, reload their contents into OpenGL
|
||||
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_color_addr, cur_fb_color_size))
|
||||
ReloadColorBuffer();
|
||||
|
||||
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_depth_addr, cur_fb_depth_size))
|
||||
ReloadDepthBuffer();
|
||||
|
||||
// Notify cache of flush in case the region touches a cached resource
|
||||
res_cache.NotifyFlush(addr, size);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height) {
|
||||
GLint internal_format;
|
||||
|
||||
texture.format = format;
|
||||
texture.width = width;
|
||||
texture.height = height;
|
||||
|
||||
switch (format) {
|
||||
case Pica::Regs::ColorFormat::RGBA8:
|
||||
internal_format = GL_RGBA;
|
||||
texture.gl_format = GL_RGBA;
|
||||
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8;
|
||||
break;
|
||||
|
||||
case Pica::Regs::ColorFormat::RGB8:
|
||||
// This pixel format uses BGR since GL_UNSIGNED_BYTE specifies byte-order, unlike every
|
||||
// specific OpenGL type used in this function using native-endian (that is, little-endian
|
||||
// mostly everywhere) for words or half-words.
|
||||
// TODO: check how those behave on big-endian processors.
|
||||
internal_format = GL_RGB;
|
||||
texture.gl_format = GL_BGR;
|
||||
texture.gl_type = GL_UNSIGNED_BYTE;
|
||||
break;
|
||||
|
||||
case Pica::Regs::ColorFormat::RGB5A1:
|
||||
internal_format = GL_RGBA;
|
||||
texture.gl_format = GL_RGBA;
|
||||
texture.gl_type = GL_UNSIGNED_SHORT_5_5_5_1;
|
||||
break;
|
||||
|
||||
case Pica::Regs::ColorFormat::RGB565:
|
||||
internal_format = GL_RGB;
|
||||
texture.gl_format = GL_RGB;
|
||||
texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
|
||||
break;
|
||||
|
||||
case Pica::Regs::ColorFormat::RGBA4:
|
||||
internal_format = GL_RGBA;
|
||||
texture.gl_format = GL_RGBA;
|
||||
texture.gl_type = GL_UNSIGNED_SHORT_4_4_4_4;
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer texture color format %x", format);
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, texture.width, texture.height, 0,
|
||||
texture.gl_format, texture.gl_type, nullptr);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::ReconfigureDepthTexture(DepthTextureInfo& texture, Pica::Regs::DepthFormat format, u32 width, u32 height) {
|
||||
GLint internal_format;
|
||||
|
||||
texture.format = format;
|
||||
texture.width = width;
|
||||
texture.height = height;
|
||||
|
||||
switch (format) {
|
||||
case Pica::Regs::DepthFormat::D16:
|
||||
internal_format = GL_DEPTH_COMPONENT16;
|
||||
texture.gl_format = GL_DEPTH_COMPONENT;
|
||||
texture.gl_type = GL_UNSIGNED_SHORT;
|
||||
break;
|
||||
|
||||
case Pica::Regs::DepthFormat::D24:
|
||||
internal_format = GL_DEPTH_COMPONENT24;
|
||||
texture.gl_format = GL_DEPTH_COMPONENT;
|
||||
texture.gl_type = GL_UNSIGNED_INT_24_8;
|
||||
break;
|
||||
|
||||
case Pica::Regs::DepthFormat::D24S8:
|
||||
internal_format = GL_DEPTH24_STENCIL8;
|
||||
texture.gl_format = GL_DEPTH_STENCIL;
|
||||
texture.gl_type = GL_UNSIGNED_INT_24_8;
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer texture depth format %x", format);
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, texture.width, texture.height, 0,
|
||||
texture.gl_format, texture.gl_type, nullptr);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncFramebuffer() {
|
||||
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||||
Pica::Regs::ColorFormat new_fb_color_format = Pica::registers.framebuffer.color_format;
|
||||
|
||||
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||||
Pica::Regs::DepthFormat new_fb_depth_format = Pica::registers.framebuffer.depth_format;
|
||||
|
||||
bool fb_size_changed = fb_color_texture.width != Pica::registers.framebuffer.GetWidth() ||
|
||||
fb_color_texture.height != Pica::registers.framebuffer.GetHeight();
|
||||
|
||||
bool color_fb_prop_changed = fb_color_texture.format != new_fb_color_format ||
|
||||
fb_size_changed;
|
||||
|
||||
bool depth_fb_prop_changed = fb_depth_texture.format != new_fb_depth_format ||
|
||||
fb_size_changed;
|
||||
|
||||
bool color_fb_modified = last_fb_color_addr != cur_fb_color_addr ||
|
||||
color_fb_prop_changed;
|
||||
|
||||
bool depth_fb_modified = last_fb_depth_addr != cur_fb_depth_addr ||
|
||||
depth_fb_prop_changed;
|
||||
|
||||
// Commit if framebuffer modified in any way
|
||||
if (color_fb_modified)
|
||||
CommitColorBuffer();
|
||||
|
||||
if (depth_fb_modified)
|
||||
CommitDepthBuffer();
|
||||
|
||||
// Reconfigure framebuffer textures if any property has changed
|
||||
if (color_fb_prop_changed) {
|
||||
ReconfigureColorTexture(fb_color_texture, new_fb_color_format,
|
||||
Pica::registers.framebuffer.GetWidth(), Pica::registers.framebuffer.GetHeight());
|
||||
}
|
||||
|
||||
if (depth_fb_prop_changed) {
|
||||
ReconfigureDepthTexture(fb_depth_texture, new_fb_depth_format,
|
||||
Pica::registers.framebuffer.GetWidth(), Pica::registers.framebuffer.GetHeight());
|
||||
|
||||
// Only attach depth buffer as stencil if it supports stencil
|
||||
switch (new_fb_depth_format) {
|
||||
case Pica::Regs::DepthFormat::D16:
|
||||
case Pica::Regs::DepthFormat::D24:
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
|
||||
break;
|
||||
|
||||
case Pica::Regs::DepthFormat::D24S8:
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, fb_depth_texture.texture.handle, 0);
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer depth format %x", new_fb_depth_format);
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Load buffer data again if fb modified in any way
|
||||
if (color_fb_modified) {
|
||||
last_fb_color_addr = cur_fb_color_addr;
|
||||
|
||||
ReloadColorBuffer();
|
||||
}
|
||||
|
||||
if (depth_fb_modified) {
|
||||
last_fb_depth_addr = cur_fb_depth_addr;
|
||||
|
||||
ReloadDepthBuffer();
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncCullMode() {
|
||||
switch (Pica::registers.cull_mode) {
|
||||
case Pica::Regs::CullMode::KeepAll:
|
||||
state.cull.enabled = false;
|
||||
break;
|
||||
|
||||
case Pica::Regs::CullMode::KeepClockWise:
|
||||
state.cull.enabled = true;
|
||||
state.cull.mode = GL_BACK;
|
||||
break;
|
||||
|
||||
case Pica::Regs::CullMode::KeepCounterClockWise:
|
||||
state.cull.enabled = true;
|
||||
state.cull.mode = GL_FRONT;
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown cull mode %d", Pica::registers.cull_mode.Value());
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncBlendEnabled() {
|
||||
state.blend.enabled = Pica::registers.output_merger.alphablend_enable;
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncBlendFuncs() {
|
||||
state.blend.src_rgb_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_source_rgb);
|
||||
state.blend.dst_rgb_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_dest_rgb);
|
||||
state.blend.src_a_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_source_a);
|
||||
state.blend.dst_a_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_dest_a);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncBlendColor() {
|
||||
auto blend_color = PicaToGL::ColorRGBA8((u8*)&Pica::registers.output_merger.blend_const.r);
|
||||
state.blend.color.red = blend_color[0];
|
||||
state.blend.color.green = blend_color[1];
|
||||
state.blend.color.blue = blend_color[2];
|
||||
state.blend.color.alpha = blend_color[3];
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncAlphaTest() {
|
||||
glUniform1i(uniform_alphatest_enabled, Pica::registers.output_merger.alpha_test.enable);
|
||||
glUniform1i(uniform_alphatest_func, Pica::registers.output_merger.alpha_test.func);
|
||||
glUniform1f(uniform_alphatest_ref, Pica::registers.output_merger.alpha_test.ref / 255.0f);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncStencilTest() {
|
||||
// TODO: Implement stencil test, mask, and op
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncDepthTest() {
|
||||
state.depth.test_enabled = Pica::registers.output_merger.depth_test_enable;
|
||||
state.depth.test_func = PicaToGL::CompareFunc(Pica::registers.output_merger.depth_test_func);
|
||||
state.depth.write_mask = Pica::registers.output_merger.depth_write_enable ? GL_TRUE : GL_FALSE;
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
GLint color_srcs[3] = { (GLint)config.color_source1.Value(),
|
||||
(GLint)config.color_source2.Value(),
|
||||
(GLint)config.color_source3.Value() };
|
||||
GLint alpha_srcs[3] = { (GLint)config.alpha_source1.Value(),
|
||||
(GLint)config.alpha_source2.Value(),
|
||||
(GLint)config.alpha_source3.Value() };
|
||||
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].color_sources, 1, color_srcs);
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_sources, 1, alpha_srcs);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
GLint color_mods[3] = { (GLint)config.color_modifier1.Value(),
|
||||
(GLint)config.color_modifier2.Value(),
|
||||
(GLint)config.color_modifier3.Value() };
|
||||
GLint alpha_mods[3] = { (GLint)config.alpha_modifier1.Value(),
|
||||
(GLint)config.alpha_modifier2.Value(),
|
||||
(GLint)config.alpha_modifier3.Value() };
|
||||
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].color_modifiers, 1, color_mods);
|
||||
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_modifiers, 1, alpha_mods);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_op, (GLint)config.color_op.Value(), (GLint)config.alpha_op.Value());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
auto const_color = PicaToGL::ColorRGBA8((u8*)&config.const_r);
|
||||
glUniform4fv(uniform_tev_cfgs[stage_index].const_color, 1, const_color.data());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||||
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_multiplier, config.GetColorMultiplier(), config.GetAlphaMultiplier());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncCombinerColor() {
|
||||
auto combiner_color = PicaToGL::ColorRGBA8((u8*)&Pica::registers.tev_combiner_buffer_color.r);
|
||||
glUniform4fv(uniform_tev_combiner_buffer_color, 1, combiner_color.data());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncCombinerWriteFlags() {
|
||||
const auto tev_stages = Pica::registers.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
glUniform2i(uniform_tev_cfgs[tev_stage_index].updates_combiner_buffer_color_alpha,
|
||||
Pica::registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferColor(tev_stage_index),
|
||||
Pica::registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferAlpha(tev_stage_index));
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::SyncDrawState() {
|
||||
// Sync the viewport
|
||||
GLsizei viewport_width = (GLsizei)Pica::float24::FromRawFloat24(Pica::registers.viewport_size_x).ToFloat32() * 2;
|
||||
GLsizei viewport_height = (GLsizei)Pica::float24::FromRawFloat24(Pica::registers.viewport_size_y).ToFloat32() * 2;
|
||||
|
||||
// OpenGL uses different y coordinates, so negate corner offset and flip origin
|
||||
// TODO: Ensure viewport_corner.x should not be negated or origin flipped
|
||||
// TODO: Use floating-point viewports for accuracy if supported
|
||||
glViewport((GLsizei)static_cast<float>(Pica::registers.viewport_corner.x),
|
||||
-(GLsizei)static_cast<float>(Pica::registers.viewport_corner.y)
|
||||
+ Pica::registers.framebuffer.GetHeight() - viewport_height,
|
||||
viewport_width, viewport_height);
|
||||
|
||||
// Sync bound texture(s), upload if not cached
|
||||
const auto pica_textures = Pica::registers.GetTextures();
|
||||
for (unsigned texture_index = 0; texture_index < pica_textures.size(); ++texture_index) {
|
||||
const auto& texture = pica_textures[texture_index];
|
||||
|
||||
if (texture.enabled) {
|
||||
state.texture_units[texture_index].enabled_2d = true;
|
||||
res_cache.LoadAndBindTexture(state, texture_index, texture);
|
||||
} else {
|
||||
state.texture_units[texture_index].enabled_2d = false;
|
||||
}
|
||||
}
|
||||
|
||||
// Skip processing TEV stages that simply pass the previous stage results through
|
||||
const auto tev_stages = Pica::registers.GetTevStages();
|
||||
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||||
glUniform1i(uniform_tev_cfgs[tev_stage_index].enabled, !IsPassThroughTevStage(tev_stages[tev_stage_index]));
|
||||
}
|
||||
|
||||
state.Apply();
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::ReloadColorBuffer() {
|
||||
u8* color_buffer = Memory::GetPhysicalPointer(Pica::registers.framebuffer.GetColorBufferPhysicalAddress());
|
||||
|
||||
if (color_buffer == nullptr)
|
||||
return;
|
||||
|
||||
u32 bytes_per_pixel = Pica::Regs::BytesPerColorPixel(fb_color_texture.format);
|
||||
|
||||
std::unique_ptr<u8[]> temp_fb_color_buffer(new u8[fb_color_texture.width * fb_color_texture.height * bytes_per_pixel]);
|
||||
|
||||
// Directly copy pixels. Internal OpenGL color formats are consistent so no conversion is necessary.
|
||||
for (int y = 0; y < fb_color_texture.height; ++y) {
|
||||
for (int x = 0; x < fb_color_texture.width; ++x) {
|
||||
const u32 coarse_y = y & ~7;
|
||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_color_texture.width * bytes_per_pixel;
|
||||
u32 gl_px_idx = x * bytes_per_pixel + y * fb_color_texture.width * bytes_per_pixel;
|
||||
|
||||
u8* pixel = color_buffer + dst_offset;
|
||||
memcpy(&temp_fb_color_buffer[gl_px_idx], pixel, bytes_per_pixel);
|
||||
}
|
||||
}
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = fb_color_texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fb_color_texture.width, fb_color_texture.height,
|
||||
fb_color_texture.gl_format, fb_color_texture.gl_type, temp_fb_color_buffer.get());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::ReloadDepthBuffer() {
|
||||
// TODO: Appears to work, but double-check endianness of depth values and order of depth-stencil
|
||||
u8* depth_buffer = Memory::GetPhysicalPointer(Pica::registers.framebuffer.GetDepthBufferPhysicalAddress());
|
||||
|
||||
if (depth_buffer == nullptr) {
|
||||
return;
|
||||
}
|
||||
|
||||
u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(fb_depth_texture.format);
|
||||
|
||||
// OpenGL needs 4 bpp alignment for D24
|
||||
u32 gl_bpp = bytes_per_pixel == 3 ? 4 : bytes_per_pixel;
|
||||
|
||||
std::unique_ptr<u8[]> temp_fb_depth_buffer(new u8[fb_depth_texture.width * fb_depth_texture.height * gl_bpp]);
|
||||
|
||||
for (int y = 0; y < fb_depth_texture.height; ++y) {
|
||||
for (int x = 0; x < fb_depth_texture.width; ++x) {
|
||||
const u32 coarse_y = y & ~7;
|
||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_depth_texture.width * bytes_per_pixel;
|
||||
u32 gl_px_idx = x + y * fb_depth_texture.width;
|
||||
|
||||
switch (fb_depth_texture.format) {
|
||||
case Pica::Regs::DepthFormat::D16:
|
||||
((u16*)temp_fb_depth_buffer.get())[gl_px_idx] = Color::DecodeD16(depth_buffer + dst_offset);
|
||||
break;
|
||||
case Pica::Regs::DepthFormat::D24:
|
||||
((u32*)temp_fb_depth_buffer.get())[gl_px_idx] = Color::DecodeD24(depth_buffer + dst_offset);
|
||||
break;
|
||||
case Pica::Regs::DepthFormat::D24S8:
|
||||
{
|
||||
Math::Vec2<u32> depth_stencil = Color::DecodeD24S8(depth_buffer + dst_offset);
|
||||
((u32*)temp_fb_depth_buffer.get())[gl_px_idx] = (depth_stencil.x << 8) | depth_stencil.y;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown memory framebuffer depth format %x", fb_depth_texture.format);
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = fb_depth_texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fb_depth_texture.width, fb_depth_texture.height,
|
||||
fb_depth_texture.gl_format, fb_depth_texture.gl_type, temp_fb_depth_buffer.get());
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::CommitColorBuffer() {
|
||||
if (last_fb_color_addr != 0) {
|
||||
u8* color_buffer = Memory::GetPhysicalPointer(last_fb_color_addr);
|
||||
|
||||
if (color_buffer != nullptr) {
|
||||
u32 bytes_per_pixel = Pica::Regs::BytesPerColorPixel(fb_color_texture.format);
|
||||
|
||||
std::unique_ptr<u8[]> temp_gl_color_buffer(new u8[fb_color_texture.width * fb_color_texture.height * bytes_per_pixel]);
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = fb_color_texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glGetTexImage(GL_TEXTURE_2D, 0, fb_color_texture.gl_format, fb_color_texture.gl_type, temp_gl_color_buffer.get());
|
||||
|
||||
// Directly copy pixels. Internal OpenGL color formats are consistent so no conversion is necessary.
|
||||
for (int y = 0; y < fb_color_texture.height; ++y) {
|
||||
for (int x = 0; x < fb_color_texture.width; ++x) {
|
||||
const u32 coarse_y = y & ~7;
|
||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_color_texture.width * bytes_per_pixel;
|
||||
u32 gl_px_idx = x * bytes_per_pixel + y * fb_color_texture.width * bytes_per_pixel;
|
||||
|
||||
u8* pixel = color_buffer + dst_offset;
|
||||
memcpy(pixel, &temp_gl_color_buffer[gl_px_idx], bytes_per_pixel);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::CommitDepthBuffer() {
|
||||
if (last_fb_depth_addr != 0) {
|
||||
// TODO: Output seems correct visually, but doesn't quite match sw renderer output. One of them is wrong.
|
||||
u8* depth_buffer = Memory::GetPhysicalPointer(last_fb_depth_addr);
|
||||
|
||||
if (depth_buffer != nullptr) {
|
||||
u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(fb_depth_texture.format);
|
||||
|
||||
// OpenGL needs 4 bpp alignment for D24
|
||||
u32 gl_bpp = bytes_per_pixel == 3 ? 4 : bytes_per_pixel;
|
||||
|
||||
std::unique_ptr<u8[]> temp_gl_depth_buffer(new u8[fb_depth_texture.width * fb_depth_texture.height * gl_bpp]);
|
||||
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = fb_depth_texture.texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glGetTexImage(GL_TEXTURE_2D, 0, fb_depth_texture.gl_format, fb_depth_texture.gl_type, temp_gl_depth_buffer.get());
|
||||
|
||||
for (int y = 0; y < fb_depth_texture.height; ++y) {
|
||||
for (int x = 0; x < fb_depth_texture.width; ++x) {
|
||||
const u32 coarse_y = y & ~7;
|
||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_depth_texture.width * bytes_per_pixel;
|
||||
u32 gl_px_idx = x + y * fb_depth_texture.width;
|
||||
|
||||
switch (fb_depth_texture.format) {
|
||||
case Pica::Regs::DepthFormat::D16:
|
||||
Color::EncodeD16(((u16*)temp_gl_depth_buffer.get())[gl_px_idx], depth_buffer + dst_offset);
|
||||
break;
|
||||
case Pica::Regs::DepthFormat::D24:
|
||||
Color::EncodeD24(((u32*)temp_gl_depth_buffer.get())[gl_px_idx], depth_buffer + dst_offset);
|
||||
break;
|
||||
case Pica::Regs::DepthFormat::D24S8:
|
||||
{
|
||||
u32 depth_stencil = ((u32*)temp_gl_depth_buffer.get())[gl_px_idx];
|
||||
Color::EncodeD24S8((depth_stencil >> 8), depth_stencil & 0xFF, depth_buffer + dst_offset);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer depth format %x", fb_depth_texture.format);
|
||||
UNIMPLEMENTED();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,207 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "video_core/hwrasterizer_base.h"
|
||||
|
||||
#include "gl_state.h"
|
||||
#include "gl_rasterizer_cache.h"
|
||||
|
||||
class RasterizerOpenGL : public HWRasterizer {
|
||||
public:
|
||||
|
||||
RasterizerOpenGL();
|
||||
~RasterizerOpenGL() override;
|
||||
|
||||
/// Initialize API-specific GPU objects
|
||||
void InitObjects() override;
|
||||
|
||||
/// Reset the rasterizer, such as flushing all caches and updating all state
|
||||
void Reset() override;
|
||||
|
||||
/// Queues the primitive formed by the given vertices for rendering
|
||||
void AddTriangle(const Pica::VertexShader::OutputVertex& v0,
|
||||
const Pica::VertexShader::OutputVertex& v1,
|
||||
const Pica::VertexShader::OutputVertex& v2) override;
|
||||
|
||||
/// Draw the current batch of triangles
|
||||
void DrawTriangles() override;
|
||||
|
||||
/// Commit the rasterizer's framebuffer contents immediately to the current 3DS memory framebuffer
|
||||
void CommitFramebuffer() override;
|
||||
|
||||
/// Notify rasterizer that the specified PICA register has been changed
|
||||
void NotifyPicaRegisterChanged(u32 id) override;
|
||||
|
||||
/// Notify rasterizer that the specified 3DS memory region will be read from after this notification
|
||||
void NotifyPreRead(PAddr addr, u32 size) override;
|
||||
|
||||
/// Notify rasterizer that a 3DS memory region has been changed
|
||||
void NotifyFlush(PAddr addr, u32 size) override;
|
||||
|
||||
private:
|
||||
/// Structure used for managing texture environment states
|
||||
struct TEVConfigUniforms {
|
||||
GLuint enabled;
|
||||
GLuint color_sources;
|
||||
GLuint alpha_sources;
|
||||
GLuint color_modifiers;
|
||||
GLuint alpha_modifiers;
|
||||
GLuint color_alpha_op;
|
||||
GLuint color_alpha_multiplier;
|
||||
GLuint const_color;
|
||||
GLuint updates_combiner_buffer_color_alpha;
|
||||
};
|
||||
|
||||
/// Structure used for storing information about color textures
|
||||
struct TextureInfo {
|
||||
OGLTexture texture;
|
||||
GLsizei width;
|
||||
GLsizei height;
|
||||
Pica::Regs::ColorFormat format;
|
||||
GLenum gl_format;
|
||||
GLenum gl_type;
|
||||
};
|
||||
|
||||
/// Structure used for storing information about depth textures
|
||||
struct DepthTextureInfo {
|
||||
OGLTexture texture;
|
||||
GLsizei width;
|
||||
GLsizei height;
|
||||
Pica::Regs::DepthFormat format;
|
||||
GLenum gl_format;
|
||||
GLenum gl_type;
|
||||
};
|
||||
|
||||
/// Structure that the hardware rendered vertices are composed of
|
||||
struct HardwareVertex {
|
||||
HardwareVertex(const Pica::VertexShader::OutputVertex& v) {
|
||||
position[0] = v.pos.x.ToFloat32();
|
||||
position[1] = v.pos.y.ToFloat32();
|
||||
position[2] = v.pos.z.ToFloat32();
|
||||
position[3] = v.pos.w.ToFloat32();
|
||||
color[0] = v.color.x.ToFloat32();
|
||||
color[1] = v.color.y.ToFloat32();
|
||||
color[2] = v.color.z.ToFloat32();
|
||||
color[3] = v.color.w.ToFloat32();
|
||||
tex_coord0[0] = v.tc0.x.ToFloat32();
|
||||
tex_coord0[1] = v.tc0.y.ToFloat32();
|
||||
tex_coord1[0] = v.tc1.x.ToFloat32();
|
||||
tex_coord1[1] = v.tc1.y.ToFloat32();
|
||||
tex_coord2[0] = v.tc2.x.ToFloat32();
|
||||
tex_coord2[1] = v.tc2.y.ToFloat32();
|
||||
}
|
||||
|
||||
GLfloat position[4];
|
||||
GLfloat color[4];
|
||||
GLfloat tex_coord0[2];
|
||||
GLfloat tex_coord1[2];
|
||||
GLfloat tex_coord2[2];
|
||||
};
|
||||
|
||||
/// Reconfigure the OpenGL color texture to use the given format and dimensions
|
||||
void ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height);
|
||||
|
||||
/// Reconfigure the OpenGL depth texture to use the given format and dimensions
|
||||
void ReconfigureDepthTexture(DepthTextureInfo& texture, Pica::Regs::DepthFormat format, u32 width, u32 height);
|
||||
|
||||
/// Syncs the state and contents of the OpenGL framebuffer to match the current PICA framebuffer
|
||||
void SyncFramebuffer();
|
||||
|
||||
/// Syncs the cull mode to match the PICA register
|
||||
void SyncCullMode();
|
||||
|
||||
/// Syncs the blend enabled status to match the PICA register
|
||||
void SyncBlendEnabled();
|
||||
|
||||
/// Syncs the blend functions to match the PICA register
|
||||
void SyncBlendFuncs();
|
||||
|
||||
/// Syncs the blend color to match the PICA register
|
||||
void SyncBlendColor();
|
||||
|
||||
/// Syncs the alpha test states to match the PICA register
|
||||
void SyncAlphaTest();
|
||||
|
||||
/// Syncs the stencil test states to match the PICA register
|
||||
void SyncStencilTest();
|
||||
|
||||
/// Syncs the depth test states to match the PICA register
|
||||
void SyncDepthTest();
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha sources to match the PICA register
|
||||
void SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha modifiers to match the PICA register
|
||||
void SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha combiner operations to match the PICA register
|
||||
void SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's constant color to match the PICA register
|
||||
void SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the specified TEV stage's color and alpha multipliers to match the PICA register
|
||||
void SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||
|
||||
/// Syncs the TEV combiner color buffer to match the PICA register
|
||||
void SyncCombinerColor();
|
||||
|
||||
/// Syncs the TEV combiner write flags to match the PICA register
|
||||
void SyncCombinerWriteFlags();
|
||||
|
||||
/// Syncs the remaining OpenGL drawing state to match the current PICA state
|
||||
void SyncDrawState();
|
||||
|
||||
/// Copies the 3DS color framebuffer into the OpenGL color framebuffer texture
|
||||
void ReloadColorBuffer();
|
||||
|
||||
/// Copies the 3DS depth framebuffer into the OpenGL depth framebuffer texture
|
||||
void ReloadDepthBuffer();
|
||||
|
||||
/**
|
||||
* Save the current OpenGL color framebuffer to the current PICA framebuffer in 3DS memory
|
||||
* Loads the OpenGL framebuffer textures into temporary buffers
|
||||
* Then copies into the 3DS framebuffer using proper Morton order
|
||||
*/
|
||||
void CommitColorBuffer();
|
||||
|
||||
/**
|
||||
* Save the current OpenGL depth framebuffer to the current PICA framebuffer in 3DS memory
|
||||
* Loads the OpenGL framebuffer textures into temporary buffers
|
||||
* Then copies into the 3DS framebuffer using proper Morton order
|
||||
*/
|
||||
void CommitDepthBuffer();
|
||||
|
||||
RasterizerCacheOpenGL res_cache;
|
||||
|
||||
std::vector<HardwareVertex> vertex_batch;
|
||||
|
||||
OpenGLState state;
|
||||
|
||||
PAddr last_fb_color_addr;
|
||||
PAddr last_fb_depth_addr;
|
||||
|
||||
// Hardware rasterizer
|
||||
TextureInfo fb_color_texture;
|
||||
DepthTextureInfo fb_depth_texture;
|
||||
OGLShader shader;
|
||||
OGLVertexArray vertex_array;
|
||||
OGLBuffer vertex_buffer;
|
||||
OGLFramebuffer framebuffer;
|
||||
|
||||
// Hardware vertex shader
|
||||
GLuint attrib_position;
|
||||
GLuint attrib_color;
|
||||
GLuint attrib_texcoords;
|
||||
|
||||
// Hardware fragment shader
|
||||
GLuint uniform_alphatest_enabled;
|
||||
GLuint uniform_alphatest_func;
|
||||
GLuint uniform_alphatest_ref;
|
||||
GLuint uniform_tex;
|
||||
GLuint uniform_tev_combiner_buffer_color;
|
||||
TEVConfigUniforms uniform_tev_cfgs[6];
|
||||
};
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/make_unique.h"
|
||||
#include "common/math_util.h"
|
||||
|
||||
#include "core/memory.h"
|
||||
|
||||
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/pica_to_gl.h"
|
||||
#include "video_core/debug_utils/debug_utils.h"
|
||||
#include "video_core/math.h"
|
||||
|
||||
RasterizerCacheOpenGL::~RasterizerCacheOpenGL() {
|
||||
FullFlush();
|
||||
}
|
||||
|
||||
void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config) {
|
||||
PAddr texture_addr = config.config.GetPhysicalAddress();
|
||||
|
||||
const auto cached_texture = texture_cache.find(texture_addr);
|
||||
|
||||
if (cached_texture != texture_cache.end()) {
|
||||
state.texture_units[texture_unit].texture_2d = cached_texture->second->texture.handle;
|
||||
state.Apply();
|
||||
} else {
|
||||
std::unique_ptr<CachedTexture> new_texture = Common::make_unique<CachedTexture>();
|
||||
|
||||
new_texture->texture.Create();
|
||||
state.texture_units[texture_unit].texture_2d = new_texture->texture.handle;
|
||||
state.Apply();
|
||||
|
||||
// TODO: Need to choose filters that correspond to PICA once register is declared
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, PicaToGL::WrapMode(config.config.wrap_s));
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, PicaToGL::WrapMode(config.config.wrap_t));
|
||||
|
||||
const auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config.config, config.format);
|
||||
|
||||
new_texture->width = info.width;
|
||||
new_texture->height = info.height;
|
||||
new_texture->size = info.width * info.height * Pica::Regs::NibblesPerPixel(info.format);
|
||||
|
||||
u8* texture_src_data = Memory::GetPhysicalPointer(texture_addr);
|
||||
std::unique_ptr<Math::Vec4<u8>[]> temp_texture_buffer_rgba(new Math::Vec4<u8>[info.width * info.height]);
|
||||
|
||||
for (int y = 0; y < info.height; ++y) {
|
||||
for (int x = 0; x < info.width; ++x) {
|
||||
temp_texture_buffer_rgba[x + info.width * y] = Pica::DebugUtils::LookupTexture(texture_src_data, x, info.height - 1 - y, info);
|
||||
}
|
||||
}
|
||||
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, info.width, info.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, temp_texture_buffer_rgba.get());
|
||||
|
||||
texture_cache.emplace(texture_addr, std::move(new_texture));
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerCacheOpenGL::NotifyFlush(PAddr addr, u32 size) {
|
||||
// Flush any texture that falls in the flushed region
|
||||
// TODO: Optimize by also inserting upper bound (addr + size) of each texture into the same map and also narrow using lower_bound
|
||||
auto cache_upper_bound = texture_cache.upper_bound(addr + size);
|
||||
for (auto it = texture_cache.begin(); it != cache_upper_bound;) {
|
||||
if (MathUtil::IntervalsIntersect(addr, size, it->first, it->second->size)) {
|
||||
it = texture_cache.erase(it);
|
||||
} else {
|
||||
++it;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void RasterizerCacheOpenGL::FullFlush() {
|
||||
texture_cache.clear();
|
||||
}
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "gl_state.h"
|
||||
#include "gl_resource_manager.h"
|
||||
#include "video_core/pica.h"
|
||||
|
||||
#include <memory>
|
||||
#include <map>
|
||||
|
||||
class RasterizerCacheOpenGL : NonCopyable {
|
||||
public:
|
||||
~RasterizerCacheOpenGL();
|
||||
|
||||
/// Loads a texture from 3DS memory to OpenGL and caches it (if not already cached)
|
||||
void LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config);
|
||||
|
||||
/// Flush any cached resource that touches the flushed region
|
||||
void NotifyFlush(PAddr addr, u32 size);
|
||||
|
||||
/// Flush all cached OpenGL resources tracked by this cache manager
|
||||
void FullFlush();
|
||||
|
||||
private:
|
||||
struct CachedTexture {
|
||||
OGLTexture texture;
|
||||
GLuint width;
|
||||
GLuint height;
|
||||
u32 size;
|
||||
};
|
||||
|
||||
std::map<PAddr, std::unique_ptr<CachedTexture>> texture_cache;
|
||||
};
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
#include "video_core/renderer_opengl/gl_shader_util.h"
|
||||
|
||||
// Textures
|
||||
OGLTexture::OGLTexture() : handle(0) {
|
||||
}
|
||||
|
||||
OGLTexture::~OGLTexture() {
|
||||
Release();
|
||||
}
|
||||
|
||||
void OGLTexture::Create() {
|
||||
if (handle != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
glGenTextures(1, &handle);
|
||||
}
|
||||
|
||||
void OGLTexture::Release() {
|
||||
glDeleteTextures(1, &handle);
|
||||
handle = 0;
|
||||
}
|
||||
|
||||
// Shaders
|
||||
OGLShader::OGLShader() : handle(0) {
|
||||
}
|
||||
|
||||
OGLShader::~OGLShader() {
|
||||
Release();
|
||||
}
|
||||
|
||||
void OGLShader::Create(const char* vert_shader, const char* frag_shader) {
|
||||
if (handle != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
handle = ShaderUtil::LoadShaders(vert_shader, frag_shader);
|
||||
}
|
||||
|
||||
void OGLShader::Release() {
|
||||
glDeleteProgram(handle);
|
||||
handle = 0;
|
||||
}
|
||||
|
||||
// Buffer objects
|
||||
OGLBuffer::OGLBuffer() : handle(0) {
|
||||
}
|
||||
|
||||
OGLBuffer::~OGLBuffer() {
|
||||
Release();
|
||||
}
|
||||
|
||||
void OGLBuffer::Create() {
|
||||
if (handle != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
glGenBuffers(1, &handle);
|
||||
}
|
||||
|
||||
void OGLBuffer::Release() {
|
||||
glDeleteBuffers(1, &handle);
|
||||
handle = 0;
|
||||
}
|
||||
|
||||
// Vertex array objects
|
||||
OGLVertexArray::OGLVertexArray() : handle(0) {
|
||||
}
|
||||
|
||||
OGLVertexArray::~OGLVertexArray() {
|
||||
Release();
|
||||
}
|
||||
|
||||
void OGLVertexArray::Create() {
|
||||
if (handle != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
glGenVertexArrays(1, &handle);
|
||||
}
|
||||
|
||||
void OGLVertexArray::Release() {
|
||||
glDeleteVertexArrays(1, &handle);
|
||||
handle = 0;
|
||||
}
|
||||
|
||||
// Framebuffers
|
||||
OGLFramebuffer::OGLFramebuffer() : handle(0) {
|
||||
}
|
||||
|
||||
OGLFramebuffer::~OGLFramebuffer() {
|
||||
Release();
|
||||
}
|
||||
|
||||
void OGLFramebuffer::Create() {
|
||||
if (handle != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
glGenFramebuffers(1, &handle);
|
||||
}
|
||||
|
||||
void OGLFramebuffer::Release() {
|
||||
glDeleteFramebuffers(1, &handle);
|
||||
handle = 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
#include "generated/gl_3_2_core.h"
|
||||
|
||||
class OGLTexture : public NonCopyable {
|
||||
public:
|
||||
OGLTexture();
|
||||
~OGLTexture();
|
||||
|
||||
/// Creates a new internal OpenGL resource and stores the handle
|
||||
void Create();
|
||||
|
||||
/// Deletes the internal OpenGL resource
|
||||
void Release();
|
||||
|
||||
GLuint handle;
|
||||
};
|
||||
|
||||
class OGLShader : public NonCopyable {
|
||||
public:
|
||||
OGLShader();
|
||||
~OGLShader();
|
||||
|
||||
/// Creates a new internal OpenGL resource and stores the handle
|
||||
void Create(const char* vert_shader, const char* frag_shader);
|
||||
|
||||
/// Deletes the internal OpenGL resource
|
||||
void Release();
|
||||
|
||||
GLuint handle;
|
||||
};
|
||||
|
||||
class OGLBuffer : public NonCopyable {
|
||||
public:
|
||||
OGLBuffer();
|
||||
~OGLBuffer();
|
||||
|
||||
/// Creates a new internal OpenGL resource and stores the handle
|
||||
void Create();
|
||||
|
||||
/// Deletes the internal OpenGL resource
|
||||
void Release();
|
||||
|
||||
GLuint handle;
|
||||
};
|
||||
|
||||
class OGLVertexArray : public NonCopyable {
|
||||
public:
|
||||
OGLVertexArray();
|
||||
~OGLVertexArray();
|
||||
|
||||
/// Creates a new internal OpenGL resource and stores the handle
|
||||
void Create();
|
||||
|
||||
/// Deletes the internal OpenGL resource
|
||||
void Release();
|
||||
|
||||
GLuint handle;
|
||||
};
|
||||
|
||||
class OGLFramebuffer : public NonCopyable {
|
||||
public:
|
||||
OGLFramebuffer();
|
||||
~OGLFramebuffer();
|
||||
|
||||
/// Creates a new internal OpenGL resource and stores the handle
|
||||
void Create();
|
||||
|
||||
/// Deletes the internal OpenGL resource
|
||||
void Release();
|
||||
|
||||
GLuint handle;
|
||||
};
|
||||
|
|
@ -42,4 +42,292 @@ void main() {
|
|||
}
|
||||
)";
|
||||
|
||||
const char g_vertex_shader_hw[] = R"(
|
||||
#version 150 core
|
||||
|
||||
#define NUM_VTX_ATTR 7
|
||||
|
||||
in vec4 vert_position;
|
||||
in vec4 vert_color;
|
||||
in vec2 vert_texcoords[3];
|
||||
|
||||
out vec4 o[NUM_VTX_ATTR];
|
||||
|
||||
void main() {
|
||||
o[2] = vert_color;
|
||||
o[3] = vec4(vert_texcoords[0].xy, vert_texcoords[1].xy);
|
||||
o[5] = vec4(0.0, 0.0, vert_texcoords[2].xy);
|
||||
|
||||
gl_Position = vec4(vert_position.x, -vert_position.y, -vert_position.z, vert_position.w);
|
||||
}
|
||||
)";
|
||||
|
||||
// TODO: Create a shader constructor and cache that builds this program with minimal conditionals instead of using tev_cfg uniforms
|
||||
const char g_fragment_shader_hw[] = R"(
|
||||
#version 150 core
|
||||
|
||||
#define NUM_VTX_ATTR 7
|
||||
#define NUM_TEV_STAGES 6
|
||||
|
||||
#define SOURCE_PRIMARYCOLOR 0x0
|
||||
#define SOURCE_PRIMARYFRAGMENTCOLOR 0x1
|
||||
#define SOURCE_TEXTURE0 0x3
|
||||
#define SOURCE_TEXTURE1 0x4
|
||||
#define SOURCE_TEXTURE2 0x5
|
||||
#define SOURCE_TEXTURE3 0x6
|
||||
#define SOURCE_PREVIOUSBUFFER 0xd
|
||||
#define SOURCE_CONSTANT 0xe
|
||||
#define SOURCE_PREVIOUS 0xf
|
||||
|
||||
#define COLORMODIFIER_SOURCECOLOR 0x0
|
||||
#define COLORMODIFIER_ONEMINUSSOURCECOLOR 0x1
|
||||
#define COLORMODIFIER_SOURCEALPHA 0x2
|
||||
#define COLORMODIFIER_ONEMINUSSOURCEALPHA 0x3
|
||||
#define COLORMODIFIER_SOURCERED 0x4
|
||||
#define COLORMODIFIER_ONEMINUSSOURCERED 0x5
|
||||
#define COLORMODIFIER_SOURCEGREEN 0x8
|
||||
#define COLORMODIFIER_ONEMINUSSOURCEGREEN 0x9
|
||||
#define COLORMODIFIER_SOURCEBLUE 0xc
|
||||
#define COLORMODIFIER_ONEMINUSSOURCEBLUE 0xd
|
||||
|
||||
#define ALPHAMODIFIER_SOURCEALPHA 0x0
|
||||
#define ALPHAMODIFIER_ONEMINUSSOURCEALPHA 0x1
|
||||
#define ALPHAMODIFIER_SOURCERED 0x2
|
||||
#define ALPHAMODIFIER_ONEMINUSSOURCERED 0x3
|
||||
#define ALPHAMODIFIER_SOURCEGREEN 0x4
|
||||
#define ALPHAMODIFIER_ONEMINUSSOURCEGREEN 0x5
|
||||
#define ALPHAMODIFIER_SOURCEBLUE 0x6
|
||||
#define ALPHAMODIFIER_ONEMINUSSOURCEBLUE 0x7
|
||||
|
||||
#define OPERATION_REPLACE 0
|
||||
#define OPERATION_MODULATE 1
|
||||
#define OPERATION_ADD 2
|
||||
#define OPERATION_ADDSIGNED 3
|
||||
#define OPERATION_LERP 4
|
||||
#define OPERATION_SUBTRACT 5
|
||||
#define OPERATION_MULTIPLYTHENADD 8
|
||||
#define OPERATION_ADDTHENMULTIPLY 9
|
||||
|
||||
#define COMPAREFUNC_NEVER 0
|
||||
#define COMPAREFUNC_ALWAYS 1
|
||||
#define COMPAREFUNC_EQUAL 2
|
||||
#define COMPAREFUNC_NOTEQUAL 3
|
||||
#define COMPAREFUNC_LESSTHAN 4
|
||||
#define COMPAREFUNC_LESSTHANOREQUAL 5
|
||||
#define COMPAREFUNC_GREATERTHAN 6
|
||||
#define COMPAREFUNC_GREATERTHANOREQUAL 7
|
||||
|
||||
in vec4 o[NUM_VTX_ATTR];
|
||||
out vec4 color;
|
||||
|
||||
uniform bool alphatest_enabled;
|
||||
uniform int alphatest_func;
|
||||
uniform float alphatest_ref;
|
||||
|
||||
uniform sampler2D tex[3];
|
||||
|
||||
uniform vec4 tev_combiner_buffer_color;
|
||||
|
||||
struct TEVConfig
|
||||
{
|
||||
bool enabled;
|
||||
ivec3 color_sources;
|
||||
ivec3 alpha_sources;
|
||||
ivec3 color_modifiers;
|
||||
ivec3 alpha_modifiers;
|
||||
ivec2 color_alpha_op;
|
||||
ivec2 color_alpha_multiplier;
|
||||
vec4 const_color;
|
||||
bvec2 updates_combiner_buffer_color_alpha;
|
||||
};
|
||||
|
||||
uniform TEVConfig tev_cfgs[NUM_TEV_STAGES];
|
||||
|
||||
vec4 g_combiner_buffer;
|
||||
vec4 g_last_tex_env_out;
|
||||
vec4 g_const_color;
|
||||
|
||||
vec4 GetSource(int source) {
|
||||
if (source == SOURCE_PRIMARYCOLOR) {
|
||||
return o[2];
|
||||
} else if (source == SOURCE_PRIMARYFRAGMENTCOLOR) {
|
||||
// HACK: Uses color value, but should really use fragment lighting output
|
||||
return o[2];
|
||||
} else if (source == SOURCE_TEXTURE0) {
|
||||
return texture(tex[0], o[3].xy);
|
||||
} else if (source == SOURCE_TEXTURE1) {
|
||||
return texture(tex[1], o[3].zw);
|
||||
} else if (source == SOURCE_TEXTURE2) {
|
||||
// TODO: Unverified
|
||||
return texture(tex[2], o[5].zw);
|
||||
} else if (source == SOURCE_TEXTURE3) {
|
||||
// TODO: no 4th texture?
|
||||
} else if (source == SOURCE_PREVIOUSBUFFER) {
|
||||
return g_combiner_buffer;
|
||||
} else if (source == SOURCE_CONSTANT) {
|
||||
return g_const_color;
|
||||
} else if (source == SOURCE_PREVIOUS) {
|
||||
return g_last_tex_env_out;
|
||||
}
|
||||
|
||||
return vec4(0.0);
|
||||
}
|
||||
|
||||
vec3 GetColorModifier(int factor, vec4 color) {
|
||||
if (factor == COLORMODIFIER_SOURCECOLOR) {
|
||||
return color.rgb;
|
||||
} else if (factor == COLORMODIFIER_ONEMINUSSOURCECOLOR) {
|
||||
return vec3(1.0) - color.rgb;
|
||||
} else if (factor == COLORMODIFIER_SOURCEALPHA) {
|
||||
return color.aaa;
|
||||
} else if (factor == COLORMODIFIER_ONEMINUSSOURCEALPHA) {
|
||||
return vec3(1.0) - color.aaa;
|
||||
} else if (factor == COLORMODIFIER_SOURCERED) {
|
||||
return color.rrr;
|
||||
} else if (factor == COLORMODIFIER_ONEMINUSSOURCERED) {
|
||||
return vec3(1.0) - color.rrr;
|
||||
} else if (factor == COLORMODIFIER_SOURCEGREEN) {
|
||||
return color.ggg;
|
||||
} else if (factor == COLORMODIFIER_ONEMINUSSOURCEGREEN) {
|
||||
return vec3(1.0) - color.ggg;
|
||||
} else if (factor == COLORMODIFIER_SOURCEBLUE) {
|
||||
return color.bbb;
|
||||
} else if (factor == COLORMODIFIER_ONEMINUSSOURCEBLUE) {
|
||||
return vec3(1.0) - color.bbb;
|
||||
}
|
||||
|
||||
return vec3(0.0);
|
||||
}
|
||||
|
||||
float GetAlphaModifier(int factor, vec4 color) {
|
||||
if (factor == ALPHAMODIFIER_SOURCEALPHA) {
|
||||
return color.a;
|
||||
} else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEALPHA) {
|
||||
return 1.0 - color.a;
|
||||
} else if (factor == ALPHAMODIFIER_SOURCERED) {
|
||||
return color.r;
|
||||
} else if (factor == ALPHAMODIFIER_ONEMINUSSOURCERED) {
|
||||
return 1.0 - color.r;
|
||||
} else if (factor == ALPHAMODIFIER_SOURCEGREEN) {
|
||||
return color.g;
|
||||
} else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEGREEN) {
|
||||
return 1.0 - color.g;
|
||||
} else if (factor == ALPHAMODIFIER_SOURCEBLUE) {
|
||||
return color.b;
|
||||
} else if (factor == ALPHAMODIFIER_ONEMINUSSOURCEBLUE) {
|
||||
return 1.0 - color.b;
|
||||
}
|
||||
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
vec3 ColorCombine(int op, vec3 color[3]) {
|
||||
if (op == OPERATION_REPLACE) {
|
||||
return color[0];
|
||||
} else if (op == OPERATION_MODULATE) {
|
||||
return color[0] * color[1];
|
||||
} else if (op == OPERATION_ADD) {
|
||||
return min(color[0] + color[1], 1.0);
|
||||
} else if (op == OPERATION_ADDSIGNED) {
|
||||
return clamp(color[0] + color[1] - vec3(0.5), 0.0, 1.0);
|
||||
} else if (op == OPERATION_LERP) {
|
||||
return color[0] * color[2] + color[1] * (vec3(1.0) - color[2]);
|
||||
} else if (op == OPERATION_SUBTRACT) {
|
||||
return max(color[0] - color[1], 0.0);
|
||||
} else if (op == OPERATION_MULTIPLYTHENADD) {
|
||||
return min(color[0] * color[1] + color[2], 1.0);
|
||||
} else if (op == OPERATION_ADDTHENMULTIPLY) {
|
||||
return min(color[0] + color[1], 1.0) * color[2];
|
||||
}
|
||||
|
||||
return vec3(0.0);
|
||||
}
|
||||
|
||||
float AlphaCombine(int op, float alpha[3]) {
|
||||
if (op == OPERATION_REPLACE) {
|
||||
return alpha[0];
|
||||
} else if (op == OPERATION_MODULATE) {
|
||||
return alpha[0] * alpha[1];
|
||||
} else if (op == OPERATION_ADD) {
|
||||
return min(alpha[0] + alpha[1], 1.0);
|
||||
} else if (op == OPERATION_ADDSIGNED) {
|
||||
return clamp(alpha[0] + alpha[1] - 0.5, 0.0, 1.0);
|
||||
} else if (op == OPERATION_LERP) {
|
||||
return alpha[0] * alpha[2] + alpha[1] * (1.0 - alpha[2]);
|
||||
} else if (op == OPERATION_SUBTRACT) {
|
||||
return max(alpha[0] - alpha[1], 0.0);
|
||||
} else if (op == OPERATION_MULTIPLYTHENADD) {
|
||||
return min(alpha[0] * alpha[1] + alpha[2], 1.0);
|
||||
} else if (op == OPERATION_ADDTHENMULTIPLY) {
|
||||
return min(alpha[0] + alpha[1], 1.0) * alpha[2];
|
||||
}
|
||||
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
void main(void) {
|
||||
g_combiner_buffer = tev_combiner_buffer_color;
|
||||
|
||||
for (int tex_env_idx = 0; tex_env_idx < NUM_TEV_STAGES; ++tex_env_idx) {
|
||||
if (tev_cfgs[tex_env_idx].enabled) {
|
||||
g_const_color = tev_cfgs[tex_env_idx].const_color;
|
||||
|
||||
vec3 color_results[3] = vec3[3](GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.x, GetSource(tev_cfgs[tex_env_idx].color_sources.x)),
|
||||
GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.y, GetSource(tev_cfgs[tex_env_idx].color_sources.y)),
|
||||
GetColorModifier(tev_cfgs[tex_env_idx].color_modifiers.z, GetSource(tev_cfgs[tex_env_idx].color_sources.z)));
|
||||
vec3 color_output = ColorCombine(tev_cfgs[tex_env_idx].color_alpha_op.x, color_results);
|
||||
|
||||
float alpha_results[3] = float[3](GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.x, GetSource(tev_cfgs[tex_env_idx].alpha_sources.x)),
|
||||
GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.y, GetSource(tev_cfgs[tex_env_idx].alpha_sources.y)),
|
||||
GetAlphaModifier(tev_cfgs[tex_env_idx].alpha_modifiers.z, GetSource(tev_cfgs[tex_env_idx].alpha_sources.z)));
|
||||
float alpha_output = AlphaCombine(tev_cfgs[tex_env_idx].color_alpha_op.y, alpha_results);
|
||||
|
||||
g_last_tex_env_out = vec4(min(color_output * tev_cfgs[tex_env_idx].color_alpha_multiplier.x, 1.0), min(alpha_output * tev_cfgs[tex_env_idx].color_alpha_multiplier.y, 1.0));
|
||||
}
|
||||
|
||||
if (tev_cfgs[tex_env_idx].updates_combiner_buffer_color_alpha.x) {
|
||||
g_combiner_buffer.rgb = g_last_tex_env_out.rgb;
|
||||
}
|
||||
|
||||
if (tev_cfgs[tex_env_idx].updates_combiner_buffer_color_alpha.y) {
|
||||
g_combiner_buffer.a = g_last_tex_env_out.a;
|
||||
}
|
||||
}
|
||||
|
||||
if (alphatest_enabled) {
|
||||
if (alphatest_func == COMPAREFUNC_NEVER) {
|
||||
discard;
|
||||
} else if (alphatest_func == COMPAREFUNC_ALWAYS) {
|
||||
|
||||
} else if (alphatest_func == COMPAREFUNC_EQUAL) {
|
||||
if (g_last_tex_env_out.a != alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
} else if (alphatest_func == COMPAREFUNC_NOTEQUAL) {
|
||||
if (g_last_tex_env_out.a == alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
} else if (alphatest_func == COMPAREFUNC_LESSTHAN) {
|
||||
if (g_last_tex_env_out.a >= alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
} else if (alphatest_func == COMPAREFUNC_LESSTHANOREQUAL) {
|
||||
if (g_last_tex_env_out.a > alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
} else if (alphatest_func == COMPAREFUNC_GREATERTHAN) {
|
||||
if (g_last_tex_env_out.a <= alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
} else if (alphatest_func == COMPAREFUNC_GREATERTHANOREQUAL) {
|
||||
if (g_last_tex_env_out.a < alphatest_ref) {
|
||||
discard;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
color = g_last_tex_env_out;
|
||||
}
|
||||
)";
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,160 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/pica.h"
|
||||
|
||||
OpenGLState OpenGLState::cur_state;
|
||||
|
||||
OpenGLState::OpenGLState() {
|
||||
// These all match default OpenGL values
|
||||
cull.enabled = false;
|
||||
cull.mode = GL_BACK;
|
||||
|
||||
depth.test_enabled = false;
|
||||
depth.test_func = GL_LESS;
|
||||
depth.write_mask = GL_TRUE;
|
||||
|
||||
stencil.test_enabled = false;
|
||||
stencil.test_func = GL_ALWAYS;
|
||||
stencil.test_ref = 0;
|
||||
stencil.test_mask = -1;
|
||||
stencil.write_mask = -1;
|
||||
|
||||
blend.enabled = false;
|
||||
blend.src_rgb_func = GL_ONE;
|
||||
blend.dst_rgb_func = GL_ZERO;
|
||||
blend.src_a_func = GL_ONE;
|
||||
blend.dst_a_func = GL_ZERO;
|
||||
blend.color.red = 0.0f;
|
||||
blend.color.green = 0.0f;
|
||||
blend.color.blue = 0.0f;
|
||||
blend.color.alpha = 0.0f;
|
||||
|
||||
for (auto& texture_unit : texture_units) {
|
||||
texture_unit.enabled_2d = false;
|
||||
texture_unit.texture_2d = 0;
|
||||
}
|
||||
|
||||
draw.framebuffer = 0;
|
||||
draw.vertex_array = 0;
|
||||
draw.vertex_buffer = 0;
|
||||
draw.shader_program = 0;
|
||||
}
|
||||
|
||||
const void OpenGLState::Apply() {
|
||||
// Culling
|
||||
if (cull.enabled != cur_state.cull.enabled) {
|
||||
if (cull.enabled) {
|
||||
glEnable(GL_CULL_FACE);
|
||||
} else {
|
||||
glDisable(GL_CULL_FACE);
|
||||
}
|
||||
}
|
||||
|
||||
if (cull.mode != cur_state.cull.mode) {
|
||||
glCullFace(cull.mode);
|
||||
}
|
||||
|
||||
// Depth test
|
||||
if (depth.test_enabled != cur_state.depth.test_enabled) {
|
||||
if (depth.test_enabled) {
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
} else {
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
}
|
||||
}
|
||||
|
||||
if (depth.test_func != cur_state.depth.test_func) {
|
||||
glDepthFunc(depth.test_func);
|
||||
}
|
||||
|
||||
// Depth mask
|
||||
if (depth.write_mask != cur_state.depth.write_mask) {
|
||||
glDepthMask(depth.write_mask);
|
||||
}
|
||||
|
||||
// Stencil test
|
||||
if (stencil.test_enabled != cur_state.stencil.test_enabled) {
|
||||
if (stencil.test_enabled) {
|
||||
glEnable(GL_STENCIL_TEST);
|
||||
} else {
|
||||
glDisable(GL_STENCIL_TEST);
|
||||
}
|
||||
}
|
||||
|
||||
if (stencil.test_func != cur_state.stencil.test_func ||
|
||||
stencil.test_ref != cur_state.stencil.test_ref ||
|
||||
stencil.test_mask != cur_state.stencil.test_mask) {
|
||||
glStencilFunc(stencil.test_func, stencil.test_ref, stencil.test_mask);
|
||||
}
|
||||
|
||||
// Stencil mask
|
||||
if (stencil.write_mask != cur_state.stencil.write_mask) {
|
||||
glStencilMask(stencil.write_mask);
|
||||
}
|
||||
|
||||
// Blending
|
||||
if (blend.enabled != cur_state.blend.enabled) {
|
||||
if (blend.enabled) {
|
||||
glEnable(GL_BLEND);
|
||||
} else {
|
||||
glDisable(GL_BLEND);
|
||||
}
|
||||
}
|
||||
|
||||
if (blend.color.red != cur_state.blend.color.red ||
|
||||
blend.color.green != cur_state.blend.color.green ||
|
||||
blend.color.blue != cur_state.blend.color.blue ||
|
||||
blend.color.alpha != cur_state.blend.color.alpha) {
|
||||
glBlendColor(blend.color.red, blend.color.green, blend.color.blue, blend.color.alpha);
|
||||
}
|
||||
|
||||
if (blend.src_rgb_func != cur_state.blend.src_rgb_func ||
|
||||
blend.dst_rgb_func != cur_state.blend.dst_rgb_func ||
|
||||
blend.src_a_func != cur_state.blend.src_a_func ||
|
||||
blend.dst_a_func != cur_state.blend.dst_a_func) {
|
||||
glBlendFuncSeparate(blend.src_rgb_func, blend.dst_rgb_func, blend.src_a_func, blend.dst_a_func);
|
||||
}
|
||||
|
||||
// Textures
|
||||
for (unsigned texture_index = 0; texture_index < ARRAY_SIZE(texture_units); ++texture_index) {
|
||||
if (texture_units[texture_index].enabled_2d != texture_units[texture_index].enabled_2d) {
|
||||
glActiveTexture(GL_TEXTURE0 + texture_index);
|
||||
|
||||
if (texture_units[texture_index].enabled_2d) {
|
||||
glEnable(GL_TEXTURE_2D);
|
||||
} else {
|
||||
glDisable(GL_TEXTURE_2D);
|
||||
}
|
||||
}
|
||||
|
||||
if (texture_units[texture_index].texture_2d != cur_state.texture_units[texture_index].texture_2d) {
|
||||
glActiveTexture(GL_TEXTURE0 + texture_index);
|
||||
glBindTexture(GL_TEXTURE_2D, texture_units[texture_index].texture_2d);
|
||||
}
|
||||
}
|
||||
|
||||
// Framebuffer
|
||||
if (draw.framebuffer != cur_state.draw.framebuffer) {
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, draw.framebuffer);
|
||||
}
|
||||
|
||||
// Vertex array
|
||||
if (draw.vertex_array != cur_state.draw.vertex_array) {
|
||||
glBindVertexArray(draw.vertex_array);
|
||||
}
|
||||
|
||||
// Vertex buffer
|
||||
if (draw.vertex_buffer != cur_state.draw.vertex_buffer) {
|
||||
glBindBuffer(GL_ARRAY_BUFFER, draw.vertex_buffer);
|
||||
}
|
||||
|
||||
// Shader program
|
||||
if (draw.shader_program != cur_state.draw.shader_program) {
|
||||
glUseProgram(draw.shader_program);
|
||||
}
|
||||
|
||||
cur_state = *this;
|
||||
}
|
||||
|
|
@ -0,0 +1,70 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "generated/gl_3_2_core.h"
|
||||
|
||||
class OpenGLState {
|
||||
public:
|
||||
struct {
|
||||
bool enabled; // GL_CULL_FACE
|
||||
GLenum mode; // GL_CULL_FACE_MODE
|
||||
} cull;
|
||||
|
||||
struct {
|
||||
bool test_enabled; // GL_DEPTH_TEST
|
||||
GLenum test_func; // GL_DEPTH_FUNC
|
||||
GLboolean write_mask; // GL_DEPTH_WRITEMASK
|
||||
} depth;
|
||||
|
||||
struct {
|
||||
bool test_enabled; // GL_STENCIL_TEST
|
||||
GLenum test_func; // GL_STENCIL_FUNC
|
||||
GLint test_ref; // GL_STENCIL_REF
|
||||
GLuint test_mask; // GL_STENCIL_VALUE_MASK
|
||||
GLuint write_mask; // GL_STENCIL_WRITEMASK
|
||||
} stencil;
|
||||
|
||||
struct {
|
||||
bool enabled; // GL_BLEND
|
||||
GLenum src_rgb_func; // GL_BLEND_SRC_RGB
|
||||
GLenum dst_rgb_func; // GL_BLEND_DST_RGB
|
||||
GLenum src_a_func; // GL_BLEND_SRC_ALPHA
|
||||
GLenum dst_a_func; // GL_BLEND_DST_ALPHA
|
||||
|
||||
struct {
|
||||
GLclampf red;
|
||||
GLclampf green;
|
||||
GLclampf blue;
|
||||
GLclampf alpha;
|
||||
} color; // GL_BLEND_COLOR
|
||||
} blend;
|
||||
|
||||
// 3 texture units - one for each that is used in PICA fragment shader emulation
|
||||
struct {
|
||||
bool enabled_2d; // GL_TEXTURE_2D
|
||||
GLuint texture_2d; // GL_TEXTURE_BINDING_2D
|
||||
} texture_units[3];
|
||||
|
||||
struct {
|
||||
GLuint framebuffer; // GL_DRAW_FRAMEBUFFER_BINDING
|
||||
GLuint vertex_array; // GL_VERTEX_ARRAY_BINDING
|
||||
GLuint vertex_buffer; // GL_ARRAY_BUFFER_BINDING
|
||||
GLuint shader_program; // GL_CURRENT_PROGRAM
|
||||
} draw;
|
||||
|
||||
OpenGLState();
|
||||
|
||||
/// Get the currently active OpenGL state
|
||||
static const OpenGLState& GetCurState() {
|
||||
return cur_state;
|
||||
}
|
||||
|
||||
/// Apply this state as the current OpenGL state
|
||||
const void Apply();
|
||||
|
||||
private:
|
||||
static OpenGLState cur_state;
|
||||
};
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
// Copyright 2015 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
#include "video_core/pica.h"
|
||||
|
||||
#include "generated/gl_3_2_core.h"
|
||||
|
||||
namespace PicaToGL {
|
||||
|
||||
inline GLenum WrapMode(Pica::Regs::TextureConfig::WrapMode mode) {
|
||||
static const GLenum wrap_mode_table[] = {
|
||||
GL_CLAMP_TO_EDGE, // WrapMode::ClampToEdge
|
||||
0, // Unknown
|
||||
GL_REPEAT, // WrapMode::Repeat
|
||||
GL_MIRRORED_REPEAT // WrapMode::MirroredRepeat
|
||||
};
|
||||
|
||||
// Range check table for input
|
||||
if (mode >= ARRAY_SIZE(wrap_mode_table)) {
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown texture wrap mode %d", mode);
|
||||
UNREACHABLE();
|
||||
|
||||
return GL_CLAMP_TO_EDGE;
|
||||
}
|
||||
|
||||
GLenum gl_mode = wrap_mode_table[mode];
|
||||
|
||||
// Check for dummy values indicating an unknown mode
|
||||
if (gl_mode == 0) {
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown texture wrap mode %d", mode);
|
||||
UNIMPLEMENTED();
|
||||
|
||||
return GL_CLAMP_TO_EDGE;
|
||||
}
|
||||
|
||||
return gl_mode;
|
||||
}
|
||||
|
||||
inline GLenum BlendFunc(u32 factor) {
|
||||
static const GLenum blend_func_table[] = {
|
||||
GL_ZERO, // BlendFactor::Zero
|
||||
GL_ONE, // BlendFactor::One
|
||||
GL_SRC_COLOR, // BlendFactor::SourceColor
|
||||
GL_ONE_MINUS_SRC_COLOR, // BlendFactor::OneMinusSourceColor
|
||||
GL_DST_COLOR, // BlendFactor::DestColor
|
||||
GL_ONE_MINUS_DST_COLOR, // BlendFactor::OneMinusDestColor
|
||||
GL_SRC_ALPHA, // BlendFactor::SourceAlpha
|
||||
GL_ONE_MINUS_SRC_ALPHA, // BlendFactor::OneMinusSourceAlpha
|
||||
GL_DST_ALPHA, // BlendFactor::DestAlpha
|
||||
GL_ONE_MINUS_DST_ALPHA, // BlendFactor::OneMinusDestAlpha
|
||||
GL_CONSTANT_COLOR, // BlendFactor::ConstantColor
|
||||
GL_ONE_MINUS_CONSTANT_COLOR, // BlendFactor::OneMinusConstantColor
|
||||
GL_CONSTANT_ALPHA, // BlendFactor::ConstantAlpha
|
||||
GL_ONE_MINUS_CONSTANT_ALPHA, // BlendFactor::OneMinusConstantAlpha
|
||||
GL_SRC_ALPHA_SATURATE, // BlendFactor::SourceAlphaSaturate
|
||||
};
|
||||
|
||||
// Range check table for input
|
||||
if (factor >= ARRAY_SIZE(blend_func_table)) {
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown blend factor %d", factor);
|
||||
UNREACHABLE();
|
||||
|
||||
return GL_ONE;
|
||||
}
|
||||
|
||||
return blend_func_table[factor];
|
||||
}
|
||||
|
||||
inline GLenum CompareFunc(u32 func) {
|
||||
static const GLenum compare_func_table[] = {
|
||||
GL_NEVER, // CompareFunc::Never
|
||||
GL_ALWAYS, // CompareFunc::Always
|
||||
GL_EQUAL, // CompareFunc::Equal
|
||||
GL_NOTEQUAL, // CompareFunc::NotEqual
|
||||
GL_LESS, // CompareFunc::LessThan
|
||||
GL_LEQUAL, // CompareFunc::LessThanOrEqual
|
||||
GL_GREATER, // CompareFunc::GreaterThan
|
||||
GL_GEQUAL, // CompareFunc::GreaterThanOrEqual
|
||||
};
|
||||
|
||||
// Range check table for input
|
||||
if (func >= ARRAY_SIZE(compare_func_table)) {
|
||||
LOG_CRITICAL(Render_OpenGL, "Unknown compare function %d", func);
|
||||
UNREACHABLE();
|
||||
|
||||
return GL_ALWAYS;
|
||||
}
|
||||
|
||||
return compare_func_table[func];
|
||||
}
|
||||
|
||||
inline std::array<GLfloat, 4> ColorRGBA8(const u8* bytes) {
|
||||
return { { bytes[0] / 255.0f,
|
||||
bytes[1] / 255.0f,
|
||||
bytes[2] / 255.0f,
|
||||
bytes[3] / 255.0f
|
||||
} };
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
|
@ -53,6 +53,7 @@ static std::array<GLfloat, 3*2> MakeOrthographicMatrix(const float width, const
|
|||
|
||||
/// RendererOpenGL constructor
|
||||
RendererOpenGL::RendererOpenGL() {
|
||||
hw_rasterizer.reset(new RasterizerOpenGL());
|
||||
resolution_width = std::max(VideoCore::kScreenTopWidth, VideoCore::kScreenBottomWidth);
|
||||
resolution_height = VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight;
|
||||
}
|
||||
|
|
@ -63,7 +64,9 @@ RendererOpenGL::~RendererOpenGL() {
|
|||
|
||||
/// Swap buffers (render frame)
|
||||
void RendererOpenGL::SwapBuffers() {
|
||||
render_window->MakeCurrent();
|
||||
// Maintain the rasterizer's state as a priority
|
||||
OpenGLState prev_state = OpenGLState::GetCurState();
|
||||
state.Apply();
|
||||
|
||||
for(int i : {0, 1}) {
|
||||
const auto& framebuffer = GPU::g_regs.framebuffer_config[i];
|
||||
|
|
@ -110,7 +113,19 @@ void RendererOpenGL::SwapBuffers() {
|
|||
render_window->PollEvents();
|
||||
render_window->SwapBuffers();
|
||||
|
||||
prev_state.Apply();
|
||||
|
||||
profiler.BeginFrame();
|
||||
|
||||
bool hw_renderer_enabled = VideoCore::g_hw_renderer_enabled;
|
||||
if (Settings::values.use_hw_renderer != hw_renderer_enabled) {
|
||||
// TODO: Save new setting value to config file for next startup
|
||||
Settings::values.use_hw_renderer = hw_renderer_enabled;
|
||||
|
||||
if (Settings::values.use_hw_renderer) {
|
||||
hw_rasterizer->Reset();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -139,7 +154,11 @@ void RendererOpenGL::LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig&
|
|||
// only allows rows to have a memory alignement of 4.
|
||||
ASSERT(pixel_stride % 4 == 0);
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture.handle);
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, (GLint)pixel_stride);
|
||||
|
||||
// Update existing texture
|
||||
|
|
@ -151,7 +170,6 @@ void RendererOpenGL::LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig&
|
|||
texture.gl_format, texture.gl_type, framebuffer_data);
|
||||
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
|
||||
glBindTexture(GL_TEXTURE_2D, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -161,13 +179,15 @@ void RendererOpenGL::LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig&
|
|||
*/
|
||||
void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b,
|
||||
const TextureInfo& texture) {
|
||||
glBindTexture(GL_TEXTURE_2D, texture.handle);
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
u8 framebuffer_data[3] = { color_r, color_g, color_b };
|
||||
|
||||
// Update existing texture
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, framebuffer_data);
|
||||
glBindTexture(GL_TEXTURE_2D, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -175,7 +195,6 @@ void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color
|
|||
*/
|
||||
void RendererOpenGL::InitOpenGLObjects() {
|
||||
glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue, 0.0f);
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
|
||||
// Link shaders and get variable locations
|
||||
program_id = ShaderUtil::LoadShaders(GLShaders::g_vertex_shader, GLShaders::g_fragment_shader);
|
||||
|
|
@ -189,10 +208,12 @@ void RendererOpenGL::InitOpenGLObjects() {
|
|||
|
||||
// Generate VAO
|
||||
glGenVertexArrays(1, &vertex_array_handle);
|
||||
glBindVertexArray(vertex_array_handle);
|
||||
|
||||
state.draw.vertex_array = vertex_array_handle;
|
||||
state.draw.vertex_buffer = vertex_buffer_handle;
|
||||
state.Apply();
|
||||
|
||||
// Attach vertex data to VAO
|
||||
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer_handle);
|
||||
glBufferData(GL_ARRAY_BUFFER, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
|
||||
glVertexAttribPointer(attrib_position, 2, GL_FLOAT, GL_FALSE, sizeof(ScreenRectVertex), (GLvoid*)offsetof(ScreenRectVertex, position));
|
||||
glVertexAttribPointer(attrib_tex_coord, 2, GL_FLOAT, GL_FALSE, sizeof(ScreenRectVertex), (GLvoid*)offsetof(ScreenRectVertex, tex_coord));
|
||||
|
|
@ -206,14 +227,19 @@ void RendererOpenGL::InitOpenGLObjects() {
|
|||
// Allocation of storage is deferred until the first frame, when we
|
||||
// know the framebuffer size.
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture.handle);
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
}
|
||||
glBindTexture(GL_TEXTURE_2D, 0);
|
||||
|
||||
hw_rasterizer->InitObjects();
|
||||
}
|
||||
|
||||
void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
|
||||
|
|
@ -264,7 +290,11 @@ void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
|
|||
UNIMPLEMENTED();
|
||||
}
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture.handle);
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, texture.width, texture.height, 0,
|
||||
texture.gl_format, texture.gl_type, nullptr);
|
||||
}
|
||||
|
|
@ -280,8 +310,10 @@ void RendererOpenGL::DrawSingleScreenRotated(const TextureInfo& texture, float x
|
|||
ScreenRectVertex(x+w, y+h, 0.f, 1.f),
|
||||
};
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture.handle);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer_handle);
|
||||
state.texture_units[0].enabled_2d = true;
|
||||
state.texture_units[0].texture_2d = texture.handle;
|
||||
state.Apply();
|
||||
|
||||
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices.data());
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
}
|
||||
|
|
@ -295,7 +327,8 @@ void RendererOpenGL::DrawScreens() {
|
|||
glViewport(0, 0, layout.width, layout.height);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
|
||||
glUseProgram(program_id);
|
||||
state.draw.shader_program = program_id;
|
||||
state.Apply();
|
||||
|
||||
// Set projection matrix
|
||||
std::array<GLfloat, 3 * 2> ortho_matrix = MakeOrthographicMatrix((float)layout.width,
|
||||
|
|
|
|||
|
|
@ -13,6 +13,8 @@
|
|||
#include "core/hw/gpu.h"
|
||||
|
||||
#include "video_core/renderer_base.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/renderer_opengl/gl_rasterizer.h"
|
||||
|
||||
class EmuWindow;
|
||||
|
||||
|
|
@ -49,18 +51,18 @@ private:
|
|||
};
|
||||
|
||||
void InitOpenGLObjects();
|
||||
static void ConfigureFramebufferTexture(TextureInfo& texture,
|
||||
const GPU::Regs::FramebufferConfig& framebuffer);
|
||||
void ConfigureFramebufferTexture(TextureInfo& texture,
|
||||
const GPU::Regs::FramebufferConfig& framebuffer);
|
||||
void DrawScreens();
|
||||
void DrawSingleScreenRotated(const TextureInfo& texture, float x, float y, float w, float h);
|
||||
void UpdateFramerate();
|
||||
|
||||
// Loads framebuffer from emulated memory into the active OpenGL texture.
|
||||
static void LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig& framebuffer,
|
||||
const TextureInfo& texture);
|
||||
void LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig& framebuffer,
|
||||
const TextureInfo& texture);
|
||||
// Fills active OpenGL texture with the given RGB color.
|
||||
static void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b,
|
||||
const TextureInfo& texture);
|
||||
void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b,
|
||||
const TextureInfo& texture);
|
||||
|
||||
/// Computes the viewport rectangle
|
||||
MathUtil::Rectangle<unsigned> GetViewportExtent();
|
||||
|
|
@ -71,6 +73,8 @@ private:
|
|||
int resolution_width; ///< Current resolution width
|
||||
int resolution_height; ///< Current resolution height
|
||||
|
||||
OpenGLState state;
|
||||
|
||||
// OpenGL object IDs
|
||||
GLuint vertex_array_handle;
|
||||
GLuint vertex_buffer_handle;
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@
|
|||
#include "common/emu_window.h"
|
||||
|
||||
#include "core/core.h"
|
||||
#include "core/settings.h"
|
||||
|
||||
#include "video_core/video_core.h"
|
||||
#include "video_core/renderer_base.h"
|
||||
|
|
@ -19,6 +20,8 @@ namespace VideoCore {
|
|||
EmuWindow* g_emu_window = nullptr; ///< Frontend emulator window
|
||||
RendererBase* g_renderer = nullptr; ///< Renderer plugin
|
||||
|
||||
std::atomic<bool> g_hw_renderer_enabled;
|
||||
|
||||
/// Initialize the video core
|
||||
void Init(EmuWindow* emu_window) {
|
||||
g_emu_window = emu_window;
|
||||
|
|
|
|||
|
|
@ -8,6 +8,8 @@
|
|||
|
||||
#include "renderer_base.h"
|
||||
|
||||
#include <atomic>
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Video Core namespace
|
||||
|
||||
|
|
@ -31,6 +33,9 @@ static const int kScreenBottomHeight = 240; ///< 3DS bottom screen height
|
|||
extern RendererBase* g_renderer; ///< Renderer plugin
|
||||
extern EmuWindow* g_emu_window; ///< Emu window
|
||||
|
||||
// TODO: Wrap this in a user settings struct along with any other graphics settings (often set from qt ui)
|
||||
extern std::atomic<bool> g_hw_renderer_enabled;
|
||||
|
||||
/// Start the video core
|
||||
void Start();
|
||||
|
||||
|
|
|
|||
Reference in New Issue