Merge pull request #1394 from ds84182/immediate-mode-vtx
Add immediate mode vertex submission
This commit is contained in:
commit
c9009d39d4
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@ -21,6 +21,7 @@
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#include "common/vector_math.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/debug_utils/debug_utils.h"
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QImage LoadTexture(u8* src, const Pica::DebugUtils::TextureInfo& info) {
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@ -18,6 +18,7 @@
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#include "core/hw/gpu.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/utils.h"
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GraphicsFramebufferWidget::GraphicsFramebufferWidget(std::shared_ptr<Pica::DebugContext> debug_context,
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@ -22,7 +22,7 @@
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#include "nihstro/float24.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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GraphicsTracingWidget::GraphicsTracingWidget(std::shared_ptr<Pica::DebugContext> debug_context,
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QWidget* parent)
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@ -19,6 +19,8 @@
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#include "citra_qt/debugger/graphics_vertex_shader.h"
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#include "citra_qt/util/util.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/shader/shader.h"
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using nihstro::OpCode;
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@ -33,6 +33,7 @@ set(HEADERS
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command_processor.h
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gpu_debugger.h
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pica.h
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pica_state.h
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pica_types.h
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primitive_assembly.h
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rasterizer.h
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@ -6,6 +6,7 @@
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#include "video_core/clipper.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/rasterizer.h"
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#include "video_core/shader/shader_interpreter.h"
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@ -15,6 +15,7 @@
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#include "video_core/clipper.h"
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#include "video_core/command_processor.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/primitive_assembly.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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@ -73,6 +74,14 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
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GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::P3D);
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break;
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case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.index, 0x232):
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if (regs.vs_default_attributes_setup.index == 15) {
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// Reset immediate primitive state
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g_state.immediate.primitive_assembler.Reconfigure(regs.triangle_topology);
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g_state.immediate.attribute_id = 0;
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}
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break;
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// Load default vertex input attributes
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case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.set_value[0], 0x233):
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case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.set_value[1], 0x234):
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@ -108,11 +117,48 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
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attribute.w.ToFloat32());
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// TODO: Verify that this actually modifies the register!
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setup.index = setup.index + 1;
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if (setup.index < 15) {
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setup.index++;
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} else {
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// Put each attribute into an immediate input buffer.
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// When all specified immediate attributes are present, the Vertex Shader is invoked and everything is
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// sent to the primitive assembler.
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auto& immediate_input = g_state.immediate.input;
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auto& immediate_attribute_id = g_state.immediate.attribute_id;
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const auto& attribute_config = regs.vertex_attributes;
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immediate_input.attr[immediate_attribute_id++] = attribute;
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if (immediate_attribute_id >= attribute_config.GetNumTotalAttributes()) {
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immediate_attribute_id = 0;
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Shader::UnitState<false> shader_unit;
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Shader::Setup(shader_unit);
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// Send to vertex shader
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Shader::OutputVertex output = Shader::Run(shader_unit, immediate_input, attribute_config.GetNumTotalAttributes());
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// Send to renderer
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using Pica::Shader::OutputVertex;
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auto AddTriangle = [](const OutputVertex& v0, const OutputVertex& v1, const OutputVertex& v2) {
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VideoCore::g_renderer->rasterizer->AddTriangle(v0, v1, v2);
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};
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g_state.immediate.primitive_assembler.SubmitVertex(output, AddTriangle);
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}
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}
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}
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break;
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}
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case PICA_REG_INDEX(gpu_mode):
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if (regs.gpu_mode == Regs::GPUMode::Configuring && regs.vs_default_attributes_setup.index == 15) {
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// Draw immediate mode triangles when GPU Mode is set to GPUMode::Configuring
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VideoCore::g_renderer->rasterizer->DrawTriangles();
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}
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break;
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case PICA_REG_INDEX_WORKAROUND(command_buffer.trigger[0], 0x23c):
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case PICA_REG_INDEX_WORKAROUND(command_buffer.trigger[1], 0x23d):
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{
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@ -28,6 +28,7 @@
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#include "core/settings.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/renderer_base.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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@ -113,7 +114,7 @@ void GeometryDumper::Dump() {
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}
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void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, const State::ShaderSetup& setup, const Regs::VSOutputAttributes* output_attributes)
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void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, const Shader::ShaderSetup& setup, const Regs::VSOutputAttributes* output_attributes)
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{
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struct StuffToWrite {
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u8* pointer;
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@ -17,6 +17,7 @@
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#include "core/tracer/recorder.h"
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#include "video_core/pica.h"
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#include "video_core/shader/shader.h"
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namespace Pica {
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@ -182,7 +183,7 @@ private:
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};
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void DumpShader(const std::string& filename, const Regs::ShaderConfig& config,
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const State::ShaderSetup& setup, const Regs::VSOutputAttributes* output_attributes);
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const Shader::ShaderSetup& setup, const Regs::VSOutputAttributes* output_attributes);
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// Utility class to log Pica commands.
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@ -6,6 +6,7 @@
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#include <unordered_map>
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/shader/shader.h"
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namespace Pica {
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@ -1089,7 +1089,16 @@ struct Regs {
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}
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} command_buffer;
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INSERT_PADDING_WORDS(0x20);
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INSERT_PADDING_WORDS(0x07);
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enum class GPUMode : u32 {
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Drawing = 0,
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Configuring = 1
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};
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GPUMode gpu_mode;
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INSERT_PADDING_WORDS(0x18);
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enum class TriangleTopology : u32 {
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List = 0,
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@ -1278,6 +1287,7 @@ ASSERT_REG_POSITION(trigger_draw, 0x22e);
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ASSERT_REG_POSITION(trigger_draw_indexed, 0x22f);
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ASSERT_REG_POSITION(vs_default_attributes_setup, 0x232);
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ASSERT_REG_POSITION(command_buffer, 0x238);
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ASSERT_REG_POSITION(gpu_mode, 0x245);
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ASSERT_REG_POSITION(triangle_topology, 0x25e);
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ASSERT_REG_POSITION(restart_primitive, 0x25f);
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ASSERT_REG_POSITION(gs, 0x280);
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@ -1292,64 +1302,10 @@ static_assert(sizeof(Regs::ShaderConfig) == 0x30 * sizeof(u32), "ShaderConfig st
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static_assert(sizeof(Regs) <= 0x300 * sizeof(u32), "Register set structure larger than it should be");
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static_assert(sizeof(Regs) >= 0x300 * sizeof(u32), "Register set structure smaller than it should be");
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/// Struct used to describe current Pica state
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struct State {
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/// Pica registers
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Regs regs;
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/// Vertex shader memory
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struct ShaderSetup {
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struct {
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// The float uniforms are accessed by the shader JIT using SSE instructions, and are
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// therefore required to be 16-byte aligned.
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Math::Vec4<float24> MEMORY_ALIGNED16(f[96]);
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std::array<bool, 16> b;
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std::array<Math::Vec4<u8>, 4> i;
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} uniforms;
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Math::Vec4<float24> default_attributes[16];
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std::array<u32, 1024> program_code;
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std::array<u32, 1024> swizzle_data;
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};
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ShaderSetup vs;
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ShaderSetup gs;
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struct {
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union LutEntry {
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// Used for raw access
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u32 raw;
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// LUT value, encoded as 12-bit fixed point, with 12 fraction bits
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BitField< 0, 12, u32> value;
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// Used by HW for efficient interpolation, Citra does not use these
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BitField<12, 12, u32> difference;
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float ToFloat() {
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return static_cast<float>(value) / 4095.f;
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}
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};
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std::array<std::array<LutEntry, 256>, 24> luts;
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} lighting;
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/// Current Pica command list
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struct {
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const u32* head_ptr;
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const u32* current_ptr;
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u32 length;
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} cmd_list;
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};
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/// Initialize Pica state
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void Init();
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/// Shutdown Pica state
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void Shutdown();
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extern State g_state; ///< Current Pica state
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} // namespace
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@ -0,0 +1,60 @@
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// Copyright 2016 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 "video_core/pica.h"
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#include "video_core/primitive_assembly.h"
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#include "video_core/shader/shader.h"
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namespace Pica {
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/// Struct used to describe current Pica state
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struct State {
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/// Pica registers
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Regs regs;
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Shader::ShaderSetup vs;
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Shader::ShaderSetup gs;
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struct {
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union LutEntry {
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// Used for raw access
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u32 raw;
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// LUT value, encoded as 12-bit fixed point, with 12 fraction bits
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BitField< 0, 12, u32> value;
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// Used by HW for efficient interpolation, Citra does not use these
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BitField<12, 12, u32> difference;
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float ToFloat() {
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return static_cast<float>(value) / 4095.f;
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}
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};
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std::array<std::array<LutEntry, 256>, 24> luts;
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} lighting;
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/// Current Pica command list
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struct {
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const u32* head_ptr;
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const u32* current_ptr;
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u32 length;
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} cmd_list;
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/// Struct used to describe immediate mode rendering state
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struct ImmediateModeState {
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Shader::InputVertex input;
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// This is constructed with a dummy triangle topology
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PrimitiveAssembler<Shader::OutputVertex> primitive_assembler;
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int attribute_id = 0;
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ImmediateModeState() : primitive_assembler(Regs::TriangleTopology::List) {}
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} immediate;
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};
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extern State g_state; ///< Current Pica state
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} // namespace
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@ -53,6 +53,18 @@ void PrimitiveAssembler<VertexType>::SubmitVertex(VertexType& vtx, TriangleHandl
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}
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}
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template<typename VertexType>
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void PrimitiveAssembler<VertexType>::Reset() {
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buffer_index = 0;
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strip_ready = false;
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}
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template<typename VertexType>
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void PrimitiveAssembler<VertexType>::Reconfigure(Regs::TriangleTopology topology) {
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Reset();
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this->topology = topology;
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}
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// explicitly instantiate use cases
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template
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struct PrimitiveAssembler<Shader::OutputVertex>;
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@ -30,6 +30,16 @@ struct PrimitiveAssembler {
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*/
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void SubmitVertex(VertexType& vtx, TriangleHandler triangle_handler);
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/**
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* Resets the internal state of the PrimitiveAssembler.
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*/
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void Reset();
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/**
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* Reconfigures the PrimitiveAssembler to use a different triangle topology.
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*/
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void Reconfigure(Regs::TriangleTopology topology);
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private:
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Regs::TriangleTopology topology;
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@ -15,6 +15,7 @@
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#include "core/hw/gpu.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/rasterizer.h"
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#include "video_core/utils.h"
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#include "video_core/debug_utils/debug_utils.h"
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@ -19,6 +19,7 @@
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#include "core/hw/gpu.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/utils.h"
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#include "video_core/renderer_opengl/gl_rasterizer.h"
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#include "video_core/renderer_opengl/gl_shader_gen.h"
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@ -14,6 +14,7 @@
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#include "common/hash.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
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#include "video_core/renderer_opengl/gl_state.h"
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@ -14,6 +14,7 @@
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/video_core.h"
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#include "shader.h"
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@ -145,7 +146,7 @@ OutputVertex Run(UnitState<false>& state, const InputVertex& input, int num_attr
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return ret;
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}
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const State::ShaderSetup& setup) {
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const ShaderSetup& setup) {
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UnitState<true> state;
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state.program_counter = config.main_offset;
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@ -77,6 +77,22 @@ struct OutputVertex {
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static_assert(std::is_pod<OutputVertex>::value, "Structure is not POD");
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static_assert(sizeof(OutputVertex) == 32 * sizeof(float), "OutputVertex has invalid size");
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/// Vertex shader memory
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struct ShaderSetup {
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struct {
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// The float uniforms are accessed by the shader JIT using SSE instructions, and are
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// therefore required to be 16-byte aligned.
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Math::Vec4<float24> MEMORY_ALIGNED16(f[96]);
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std::array<bool, 16> b;
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std::array<Math::Vec4<u8>, 4> i;
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} uniforms;
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Math::Vec4<float24> default_attributes[16];
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std::array<u32, 1024> program_code;
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std::array<u32, 1024> swizzle_data;
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};
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// Helper structure used to keep track of data useful for inspection of shader emulation
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template<bool full_debugging>
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@ -347,7 +363,7 @@ OutputVertex Run(UnitState<false>& state, const InputVertex& input, int num_attr
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* @param setup Setup object for the shader pipeline
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* @return Debug information for this shader with regards to the given vertex
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*/
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const State::ShaderSetup& setup);
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const ShaderSetup& setup);
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} // namespace Shader
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@ -7,6 +7,7 @@
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#include <nihstro/shader_bytecode.h>
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/shader/shader.h"
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#include "video_core/shader/shader_interpreter.h"
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@ -11,6 +11,8 @@
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#include "shader.h"
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#include "shader_jit_x64.h"
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#include "video_core/pica_state.h"
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namespace Pica {
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namespace Shader {
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