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Added LCD registers, and implementation for color filling in OGL code.

This commit is contained in:
archshift 2014-10-12 22:40:26 -07:00
parent 47010fea31
commit 041e99b613
11 changed files with 234 additions and 37 deletions
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1
src/common/logging/backend.cpp
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@ -45,6 +45,7 @@ static std::shared_ptr<Logger> global_logger;
SUB(Service, SOC) \
CLS(HW) \
SUB(HW, Memory) \
SUB(HW, LCD) \
SUB(HW, GPU) \
CLS(Frontend) \
CLS(Render) \

1
src/common/logging/log.h
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@ -65,6 +65,7 @@ enum class Class : ClassType {
Service_SOC, ///< The SOC (Socket) service
HW, ///< Low-level hardware emulation
HW_Memory, ///< Memory-map and address translation
HW_LCD, ///< LCD register emulation
HW_GPU, ///< GPU control emulation
Frontend, ///< Emulator UI
Render, ///< Emulator video output and hardware acceleration

2
src/core/CMakeLists.txt
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@ -87,6 +87,7 @@ set(SRCS
hle/svc.cpp
hw/gpu.cpp
hw/hw.cpp
hw/lcd.cpp
loader/elf.cpp
loader/loader.cpp
loader/ncch.cpp
@ -196,6 +197,7 @@ set(HEADERS
hle/svc.h
hw/gpu.h
hw/hw.h
hw/lcd.h
loader/elf.h
loader/loader.h
loader/ncch.h

32
src/core/hle/service/gsp_gpu.cpp
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@ -11,12 +11,16 @@
#include "gsp_gpu.h"
#include "core/hw/hw.h"
#include "core/hw/gpu.h"
#include "core/hw/lcd.h"
#include "video_core/gpu_debugger.h"
// Main graphics debugger object - TODO: Here is probably not the best place for this
GraphicsDebugger g_debugger;
// Beginning address of HW regs
const static u32 REGS_BEGIN = 0x1EB00000;
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace GSP_GPU
@ -87,7 +91,7 @@ static void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
return;
while (size_in_bytes > 0) {
HW::Write<u32>(base_address + 0x1EB00000, *data);
HW::Write<u32>(base_address + REGS_BEGIN, *data);
size_in_bytes -= 4;
++data;
@ -130,7 +134,7 @@ static void WriteHWRegsWithMask(u32 base_address, u32 size_in_bytes, const u32*
return;
while (size_in_bytes > 0) {
const u32 reg_address = base_address + 0x1EB00000;
const u32 reg_address = base_address + REGS_BEGIN;
u32 reg_value;
HW::Read<u32>(reg_value, reg_address);
@ -190,7 +194,7 @@ static void ReadHWRegs(Service::Interface* self) {
u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
while (size > 0) {
HW::Read<u32>(*dst, reg_addr + 0x1EB00000);
HW::Read<u32>(*dst, reg_addr + REGS_BEGIN);
size -= 4;
++dst;
@ -439,24 +443,18 @@ static void ExecuteCommand(const Command& command, u32 thread_id) {
* Outputs:
* 1: Result code
*/
void SetLcdForceBlack(Service::Interface* self) {
// TODO: currently has no effect, as LCD reg writes have nowhere to go.
static void SetLcdForceBlack(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
bool enable_black = cmd_buff[1] != 0;
u32 data = 0;
LCD::Regs::ColorFill data = {0};
if (enable_black) {
// Sets bit 24 to 1, enabling the fill
// Since data is already 0x00000000, there is no need to explicitly set
// bits 0-23 to zero (black), or bit 24 to 0 (fill disabled).
data |= (1 << 24);
}
// Since data is already zeroed, there is no need to explicitly set
// the color to black (all zero).
data.is_enabled = enable_black;
u32 data_main = data;
u32 data_sub = data;
WriteHWRegs(0x202204, 4, &data_main); // Main LCD
WriteHWRegs(0x202A04, 4, &data_sub); // Sub LCD
LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_top), data.raw); // Top LCD
LCD::Write(HW::VADDR_LCD + 4 * LCD_REG_INDEX(color_fill_bottom), data.raw); // Bottom LCD
cmd_buff[1] = RESULT_SUCCESS.raw;
}

2
src/core/hw/gpu.h
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@ -246,6 +246,8 @@ struct Regs {
return content[index];
}
#undef ASSERT_MEMBER_SIZE
private:
/*
* Most physical addresses which GPU registers refer to are 8-byte aligned.

12
src/core/hw/hw.cpp
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@ -6,17 +6,19 @@
#include "core/hw/hw.h"
#include "core/hw/gpu.h"
#include "core/hw/lcd.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr) {
switch (addr & 0xFFFFF000) {
case VADDR_GPU:
GPU::Read(var, addr);
break;
case VADDR_LCD:
LCD::Write(var, addr);
break;
default:
LOG_ERROR(HW_Memory, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, addr);
}
@ -25,11 +27,12 @@ inline void Read(T &var, const u32 addr) {
template <typename T>
inline void Write(u32 addr, const T data) {
switch (addr & 0xFFFFF000) {
case VADDR_GPU:
GPU::Write(addr, data);
break;
case VADDR_LCD:
LCD::Write(addr, data);
break;
default:
LOG_ERROR(HW_Memory, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, addr);
}
@ -54,6 +57,7 @@ void Update() {
/// Initialize hardware
void Init() {
GPU::Init();
LCD::Init();
LOG_DEBUG(HW, "initialized OK");
}

8
src/core/hw/hw.h
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@ -8,8 +8,8 @@
namespace HW {
enum {
VADDR_IO = 0x1EC00000,
/// Beginnings of IO register regions, in the user VA space.
enum : u32 {
VADDR_HASH = 0x1EC01000,
VADDR_CSND = 0x1EC03000,
VADDR_DSP = 0x1EC40000,
@ -25,9 +25,7 @@ enum {
VADDR_SPI_3 = 0x1EC60000,
VADDR_I2C_3 = 0x1EC61000,
VADDR_MIC = 0x1EC62000,
VADDR_PXI = 0x1EC63000, // 0xFFFD2000
//VADDR_NTRCARD
VADDR_CDMA = 0xFFFDA000, // CoreLink DMA-330? Info
VADDR_PXI = 0x1EC63000,
VADDR_LCD = 0x1ED02000,
VADDR_DSP_2 = 0x1ED03000,
VADDR_HASH_2 = 0x1EE01000,

66
src/core/hw/lcd.cpp Normal file
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@ -0,0 +1,66 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_types.h"
#include "core/arm/arm_interface.h"
#include "core/hle/hle.h"
#include "core/hw/hw.h"
#include "core/hw/lcd.h"
namespace LCD {
Regs g_regs;
template <typename T>
inline void Read(T &var, const u32 raw_addr) {
u32 addr = raw_addr - HW::VADDR_LCD;
u32 index = addr / 4;
// Reads other than u32 are untested, so I'd rather have them abort than silently fail
if (index >= 0x400 || !std::is_same<T, u32>::value) {
LOG_ERROR(HW_LCD, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, addr);
return;
}
var = g_regs[index];
}
template <typename T>
inline void Write(u32 addr, const T data) {
addr -= HW::VADDR_LCD;
u32 index = addr / 4;
// Writes other than u32 are untested, so I'd rather have them abort than silently fail
if (index >= 0x400 || !std::is_same<T, u32>::value) {
LOG_ERROR(HW_LCD, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, addr);
return;
}
g_regs[index] = static_cast<u32>(data);
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64 &var, const u32 addr);
template void Read<u32>(u32 &var, const u32 addr);
template void Read<u16>(u16 &var, const u32 addr);
template void Read<u8>(u8 &var, const u32 addr);
template void Write<u64>(u32 addr, const u64 data);
template void Write<u32>(u32 addr, const u32 data);
template void Write<u16>(u32 addr, const u16 data);
template void Write<u8>(u32 addr, const u8 data);
/// Initialize hardware
void Init() {
LOG_DEBUG(HW_LCD, "initialized OK");
}
/// Shutdown hardware
void Shutdown() {
LOG_DEBUG(HW_LCD, "shutdown OK");
}
} // namespace

88
src/core/hw/lcd.h Normal file
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@ -0,0 +1,88 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include "common/common_types.h"
#include "common/bit_field.h"
#define LCD_REG_INDEX(field_name) (offsetof(LCD::Regs, field_name) / sizeof(u32))
namespace LCD {
struct Regs {
union ColorFill {
u32 raw;
BitField<0, 8, u32> color_r;
BitField<8, 8, u32> color_g;
BitField<16, 8, u32> color_b;
BitField<24, 1, u32> is_enabled;
};
INSERT_PADDING_WORDS(0x81);
ColorFill color_fill_top;
INSERT_PADDING_WORDS(0xE);
u32 backlight_top;
INSERT_PADDING_WORDS(0x1F0);
ColorFill color_fill_bottom;
INSERT_PADDING_WORDS(0xE);
u32 backlight_bottom;
INSERT_PADDING_WORDS(0x16F);
static inline size_t NumIds() {
return sizeof(Regs) / sizeof(u32);
}
u32& operator [] (int index) const {
u32* content = (u32*)this;
return content[index];
}
u32& operator [] (int index) {
u32* content = (u32*)this;
return content[index];
}
#undef ASSERT_MEMBER_SIZE
};
static_assert(std::is_standard_layout<Regs>::value, "Structure does not use standard layout");
// TODO: MSVC does not support using offsetof() on non-static data members even though this
// is technically allowed since C++11. This macro should be enabled once MSVC adds
// support for that.
#ifndef _MSC_VER
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(Regs, field_name) == position * 4, \
"Field "#field_name" has invalid position")
ASSERT_REG_POSITION(color_fill_top, 0x81);
ASSERT_REG_POSITION(backlight_top, 0x90);
ASSERT_REG_POSITION(color_fill_bottom, 0x281);
ASSERT_REG_POSITION(backlight_bottom, 0x290);
#undef ASSERT_REG_POSITION
#endif // !defined(_MSC_VER)
extern Regs g_regs;
template <typename T>
void Read(T &var, const u32 addr);
template <typename T>
void Write(u32 addr, const T data);
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace

54
src/video_core/renderer_opengl/renderer_opengl.cpp
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@ -3,6 +3,8 @@
// Refer to the license.txt file included.
#include "core/hw/gpu.h"
#include "core/hw/hw.h"
#include "core/hw/lcd.h"
#include "core/mem_map.h"
#include "common/emu_window.h"
#include "video_core/video_core.h"
@ -61,16 +63,33 @@ void RendererOpenGL::SwapBuffers() {
for(int i : {0, 1}) {
const auto& framebuffer = GPU::g_regs.framebuffer_config[i];
if (textures[i].width != (GLsizei)framebuffer.width ||
textures[i].height != (GLsizei)framebuffer.height ||
textures[i].format != framebuffer.color_format) {
// Reallocate texture if the framebuffer size has changed.
// This is expected to not happen very often and hence should not be a
// performance problem.
ConfigureFramebufferTexture(textures[i], framebuffer);
}
// Main LCD (0): 0x1ED02204, Sub LCD (1): 0x1ED02A04
u32 lcd_color_addr = (i == 0) ? LCD_REG_INDEX(color_fill_top) : LCD_REG_INDEX(color_fill_bottom);
lcd_color_addr = HW::VADDR_LCD + 4 * lcd_color_addr;
LCD::Regs::ColorFill color_fill = {0};
LCD::Read(color_fill.raw, lcd_color_addr);
LoadFBToActiveGLTexture(GPU::g_regs.framebuffer_config[i], textures[i]);
if (color_fill.is_enabled) {
LoadColorToActiveGLTexture(color_fill.color_r, color_fill.color_g, color_fill.color_b, textures[i]);
// Resize the texture in case the framebuffer size has changed
textures[i].width = 1;
textures[i].height = 1;
} else {
if (textures[i].width != (GLsizei)framebuffer.width ||
textures[i].height != (GLsizei)framebuffer.height ||
textures[i].format != framebuffer.color_format) {
// Reallocate texture if the framebuffer size has changed.
// This is expected to not happen very often and hence should not be a
// performance problem.
ConfigureFramebufferTexture(textures[i], framebuffer);
}
LoadFBToActiveGLTexture(framebuffer, textures[i]);
// Resize the texture in case the framebuffer size has changed
textures[i].width = framebuffer.width;
textures[i].height = framebuffer.height;
}
}
DrawScreens();
@ -115,10 +134,25 @@ void RendererOpenGL::LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig&
// TODO: Applications could theoretically crash Citra here by specifying too large
// framebuffer sizes. We should make sure that this cannot happen.
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, framebuffer.width, framebuffer.height,
texture.gl_format, texture.gl_type, framebuffer_data);
texture.gl_format, texture.gl_type, framebuffer_data);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glBindTexture(GL_TEXTURE_2D, 0);
}
/**
* Fills active OpenGL texture with the given RGB color.
* Since the color is solid, the texture can be 1x1 but will stretch across whatever it's rendered on.
* This has the added benefit of being *really fast*.
*/
void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b,
const TextureInfo& texture) {
glBindTexture(GL_TEXTURE_2D, texture.handle);
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);
}

5
src/video_core/renderer_opengl/renderer_opengl.h
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@ -58,6 +58,9 @@ private:
// Loads framebuffer from emulated memory into the active OpenGL texture.
static 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);
/// Computes the viewport rectangle
MathUtil::Rectangle<unsigned> GetViewportExtent();
@ -72,7 +75,7 @@ private:
GLuint vertex_array_handle;
GLuint vertex_buffer_handle;
GLuint program_id;
std::array<TextureInfo, 2> textures;
std::array<TextureInfo, 2> textures; ///< Textures for top and bottom screens respectively
// Shader uniform location indices
GLuint uniform_modelview_matrix;
GLuint uniform_color_texture;