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renderer_gl: Port boilerplate rasterizer code over from Citra.

This commit is contained in:
bunnei 2018-03-19 23:00:59 -04:00
parent 9c468e0c55
commit 6e3222363c
5 changed files with 495 additions and 1 deletions

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@ -11,8 +11,11 @@ add_library(video_core STATIC
gpu.h
memory_manager.cpp
memory_manager.h
rasterizer_interface.h
renderer_base.cpp
renderer_base.h
renderer_opengl/gl_rasterizer.cpp
renderer_opengl/gl_rasterizer.h
renderer_opengl/gl_rasterizer_cache.cpp
renderer_opengl/gl_rasterizer_cache.h
renderer_opengl/gl_resource_manager.h

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@ -0,0 +1,61 @@
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
struct ScreenInfo;
namespace VideoCore {
class RasterizerInterface {
public:
virtual ~RasterizerInterface() {}
/// Draw the current batch of triangles
virtual void DrawTriangles() = 0;
/// Notify rasterizer that the specified Maxwell register has been changed
virtual void NotifyMaxwellRegisterChanged(u32 id) = 0;
/// Notify rasterizer that all caches should be flushed to 3DS memory
virtual void FlushAll() = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
virtual void FlushRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
/// and invalidated
virtual void FlushAndInvalidateRegion(PAddr addr, u32 size) = 0;
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
virtual bool AccelerateDisplayTransfer(const void* config) {
return false;
}
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
virtual bool AccelerateTextureCopy(const void* config) {
return false;
}
/// Attempt to use a faster method to fill a region
virtual bool AccelerateFill(const void* config) {
return false;
}
/// Attempt to use a faster method to display the framebuffer to screen
virtual bool AccelerateDisplay(const void* config, PAddr framebuffer_addr, u32 pixel_stride,
ScreenInfo& screen_info) {
return false;
}
virtual bool AccelerateDrawBatch(bool is_indexed) {
return false;
}
};
} // namespace VideoCore

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@ -0,0 +1,269 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <glad/glad.h>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/math_util.h"
#include "common/microprofile.h"
#include "common/scope_exit.h"
#include "common/vector_math.h"
#include "core/settings.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_gen.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
using PixelFormat = SurfaceParams::PixelFormat;
using SurfaceType = SurfaceParams::SurfaceType;
MICROPROFILE_DEFINE(OpenGL_VAO, "OpenGL", "Vertex Array Setup", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_VS, "OpenGL", "Vertex Shader Setup", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_FS, "OpenGL", "Fragment Shader Setup", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_Drawing, "OpenGL", "Drawing", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(100, 100, 255));
MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100));
enum class UniformBindings : GLuint { Common, VS, FS };
static void SetShaderUniformBlockBinding(GLuint shader, const char* name, UniformBindings binding,
size_t expected_size) {
GLuint ub_index = glGetUniformBlockIndex(shader, name);
if (ub_index != GL_INVALID_INDEX) {
GLint ub_size = 0;
glGetActiveUniformBlockiv(shader, ub_index, GL_UNIFORM_BLOCK_DATA_SIZE, &ub_size);
ASSERT_MSG(ub_size == expected_size,
"Uniform block size did not match! Got %d, expected %zu",
static_cast<int>(ub_size), expected_size);
glUniformBlockBinding(shader, ub_index, static_cast<GLuint>(binding));
}
}
static void SetShaderUniformBlockBindings(GLuint shader) {
SetShaderUniformBlockBinding(shader, "shader_data", UniformBindings::Common,
sizeof(RasterizerOpenGL::UniformData));
SetShaderUniformBlockBinding(shader, "vs_config", UniformBindings::VS,
sizeof(RasterizerOpenGL::VSUniformData));
SetShaderUniformBlockBinding(shader, "fs_config", UniformBindings::FS,
sizeof(RasterizerOpenGL::FSUniformData));
}
RasterizerOpenGL::RasterizerOpenGL() {
has_ARB_buffer_storage = false;
has_ARB_direct_state_access = false;
has_ARB_separate_shader_objects = false;
has_ARB_vertex_attrib_binding = false;
GLint ext_num;
glGetIntegerv(GL_NUM_EXTENSIONS, &ext_num);
for (GLint i = 0; i < ext_num; i++) {
std::string extension{reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i))};
if (extension == "GL_ARB_buffer_storage") {
has_ARB_buffer_storage = true;
} else if (extension == "GL_ARB_direct_state_access") {
has_ARB_direct_state_access = true;
} else if (extension == "GL_ARB_separate_shader_objects") {
has_ARB_separate_shader_objects = true;
} else if (extension == "GL_ARB_vertex_attrib_binding") {
has_ARB_vertex_attrib_binding = true;
}
}
// Clipping plane 0 is always enabled for PICA fixed clip plane z <= 0
state.clip_distance[0] = true;
// Generate VBO, VAO and UBO
vertex_buffer = OGLStreamBuffer::MakeBuffer(GLAD_GL_ARB_buffer_storage, GL_ARRAY_BUFFER);
vertex_buffer->Create(VERTEX_BUFFER_SIZE, VERTEX_BUFFER_SIZE / 2);
sw_vao.Create();
uniform_buffer.Create();
state.draw.vertex_array = sw_vao.handle;
state.draw.vertex_buffer = vertex_buffer->GetHandle();
state.draw.uniform_buffer = uniform_buffer.handle;
state.Apply();
glBufferData(GL_UNIFORM_BUFFER, sizeof(UniformData), nullptr, GL_STATIC_DRAW);
glBindBufferBase(GL_UNIFORM_BUFFER, 0, uniform_buffer.handle);
uniform_block_data.dirty = true;
// Create render framebuffer
framebuffer.Create();
if (has_ARB_separate_shader_objects) {
hw_vao.Create();
hw_vao_enabled_attributes.fill(false);
stream_buffer = OGLStreamBuffer::MakeBuffer(has_ARB_buffer_storage, GL_ARRAY_BUFFER);
stream_buffer->Create(STREAM_BUFFER_SIZE, STREAM_BUFFER_SIZE / 2);
state.draw.vertex_buffer = stream_buffer->GetHandle();
pipeline.Create();
vs_input_index_min = 0;
vs_input_index_max = 0;
state.draw.program_pipeline = pipeline.handle;
state.draw.shader_program = 0;
state.draw.vertex_array = hw_vao.handle;
state.Apply();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, stream_buffer->GetHandle());
vs_uniform_buffer.Create();
glBindBuffer(GL_UNIFORM_BUFFER, vs_uniform_buffer.handle);
glBufferData(GL_UNIFORM_BUFFER, sizeof(VSUniformData), nullptr, GL_STREAM_COPY);
glBindBufferBase(GL_UNIFORM_BUFFER, 1, vs_uniform_buffer.handle);
} else {
UNIMPLEMENTED();
}
accelerate_draw = AccelDraw::Disabled;
glEnable(GL_BLEND);
// Sync fixed function OpenGL state
SyncClipEnabled();
SyncClipCoef();
SyncCullMode();
SyncBlendEnabled();
SyncBlendFuncs();
SyncBlendColor();
}
RasterizerOpenGL::~RasterizerOpenGL() {
if (stream_buffer != nullptr) {
state.draw.vertex_buffer = stream_buffer->GetHandle();
state.Apply();
stream_buffer->Release();
}
}
static constexpr std::array<GLenum, 4> vs_attrib_types{
GL_BYTE, // VertexAttributeFormat::BYTE
GL_UNSIGNED_BYTE, // VertexAttributeFormat::UBYTE
GL_SHORT, // VertexAttributeFormat::SHORT
GL_FLOAT // VertexAttributeFormat::FLOAT
};
void RasterizerOpenGL::AnalyzeVertexArray(bool is_indexed) {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SetupVertexArray(u8* array_ptr, GLintptr buffer_offset) {
MICROPROFILE_SCOPE(OpenGL_VAO);
UNIMPLEMENTED();
}
void RasterizerOpenGL::SetupVertexShader(VSUniformData* ub_ptr, GLintptr buffer_offset) {
MICROPROFILE_SCOPE(OpenGL_VS);
UNIMPLEMENTED();
}
void RasterizerOpenGL::SetupFragmentShader(FSUniformData* ub_ptr, GLintptr buffer_offset) {
MICROPROFILE_SCOPE(OpenGL_FS);
UNIMPLEMENTED();
}
bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
if (!has_ARB_separate_shader_objects) {
UNIMPLEMENTED();
return false;
}
accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays;
DrawTriangles();
return true;
}
void RasterizerOpenGL::DrawTriangles() {
MICROPROFILE_SCOPE(OpenGL_Drawing);
UNIMPLEMENTED();
}
void RasterizerOpenGL::NotifyMaxwellRegisterChanged(u32 id) {}
void RasterizerOpenGL::FlushAll() {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
res_cache.FlushAll();
}
void RasterizerOpenGL::FlushRegion(PAddr addr, u32 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
res_cache.FlushRegion(addr, size);
}
void RasterizerOpenGL::InvalidateRegion(PAddr addr, u32 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
res_cache.InvalidateRegion(addr, size, nullptr);
}
void RasterizerOpenGL::FlushAndInvalidateRegion(PAddr addr, u32 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
res_cache.FlushRegion(addr, size);
res_cache.InvalidateRegion(addr, size, nullptr);
}
bool RasterizerOpenGL::AccelerateDisplayTransfer(const void* config) {
MICROPROFILE_SCOPE(OpenGL_Blits);
UNIMPLEMENTED();
return true;
}
bool RasterizerOpenGL::AccelerateTextureCopy(const void* config) {
UNIMPLEMENTED();
return true;
}
bool RasterizerOpenGL::AccelerateFill(const void* config) {
UNIMPLEMENTED();
return true;
}
bool RasterizerOpenGL::AccelerateDisplay(const void* config, PAddr framebuffer_addr,
u32 pixel_stride, ScreenInfo& screen_info) {
UNIMPLEMENTED();
return true;
}
void RasterizerOpenGL::SetShader() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncClipEnabled() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncClipCoef() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncCullMode() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncDepthScale() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncDepthOffset() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncBlendEnabled() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncBlendFuncs() {
UNIMPLEMENTED();
}
void RasterizerOpenGL::SyncBlendColor() {
UNIMPLEMENTED();
}

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@ -0,0 +1,162 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <cstring>
#include <memory>
#include <unordered_map>
#include <vector>
#include <glad/glad.h>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/hash.h"
#include "common/vector_math.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_gen.h"
#include "video_core/renderer_opengl/gl_state.h"
#include "video_core/renderer_opengl/gl_stream_buffer.h"
struct ScreenInfo;
class RasterizerOpenGL : public VideoCore::RasterizerInterface {
public:
RasterizerOpenGL();
~RasterizerOpenGL() override;
void DrawTriangles() override;
void NotifyMaxwellRegisterChanged(u32 id) override;
void FlushAll() override;
void FlushRegion(PAddr addr, u32 size) override;
void InvalidateRegion(PAddr addr, u32 size) override;
void FlushAndInvalidateRegion(PAddr addr, u32 size) override;
bool AccelerateDisplayTransfer(const void* config) override;
bool AccelerateTextureCopy(const void* config) override;
bool AccelerateFill(const void* config) override;
bool AccelerateDisplay(const void* config, PAddr framebuffer_addr, u32 pixel_stride,
ScreenInfo& screen_info) override;
bool AccelerateDrawBatch(bool is_indexed) override;
struct VertexShader {
OGLShader shader;
};
struct FragmentShader {
OGLShader shader;
};
/// Uniform structure for the Uniform Buffer Object, all vectors must be 16-byte aligned
// NOTE: Always keep a vec4 at the end. The GL spec is not clear wether the alignment at
// the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
// Not following that rule will cause problems on some AMD drivers.
struct UniformData {};
// static_assert(
// sizeof(UniformData) == 0x460,
// "The size of the UniformData structure has changed, update the structure in the shader");
static_assert(sizeof(UniformData) < 16384,
"UniformData structure must be less than 16kb as per the OpenGL spec");
struct VSUniformData {};
// static_assert(
// sizeof(VSUniformData) == 1856,
// "The size of the VSUniformData structure has changed, update the structure in the
// shader");
static_assert(sizeof(VSUniformData) < 16384,
"VSUniformData structure must be less than 16kb as per the OpenGL spec");
struct FSUniformData {};
// static_assert(
// sizeof(FSUniformData) == 1856,
// "The size of the FSUniformData structure has changed, update the structure in the
// shader");
static_assert(sizeof(FSUniformData) < 16384,
"FSUniformData structure must be less than 16kb as per the OpenGL spec");
private:
struct SamplerInfo {};
/// Syncs the clip enabled status to match the guest state
void SyncClipEnabled();
/// Syncs the clip coefficients to match the guest state
void SyncClipCoef();
/// Sets the OpenGL shader in accordance with the current guest state
void SetShader();
/// Syncs the cull mode to match the guest state
void SyncCullMode();
/// Syncs the depth scale to match the guest state
void SyncDepthScale();
/// Syncs the depth offset to match the guest state
void SyncDepthOffset();
/// Syncs the blend enabled status to match the guest state
void SyncBlendEnabled();
/// Syncs the blend functions to match the guest state
void SyncBlendFuncs();
/// Syncs the blend color to match the guest state
void SyncBlendColor();
bool has_ARB_buffer_storage;
bool has_ARB_direct_state_access;
bool has_ARB_separate_shader_objects;
bool has_ARB_vertex_attrib_binding;
OpenGLState state;
RasterizerCacheOpenGL res_cache;
struct {
UniformData data;
bool dirty;
} uniform_block_data = {};
OGLPipeline pipeline;
OGLVertexArray sw_vao;
OGLVertexArray hw_vao;
std::array<bool, 16> hw_vao_enabled_attributes;
std::array<SamplerInfo, 3> texture_samplers;
static constexpr size_t VERTEX_BUFFER_SIZE = 128 * 1024 * 1024;
std::unique_ptr<OGLStreamBuffer> vertex_buffer;
OGLBuffer uniform_buffer;
OGLFramebuffer framebuffer;
static constexpr size_t STREAM_BUFFER_SIZE = 4 * 1024 * 1024;
std::unique_ptr<OGLStreamBuffer> stream_buffer;
GLint vs_input_index_min;
GLint vs_input_index_max;
GLsizeiptr vs_input_size;
void AnalyzeVertexArray(bool is_indexed);
void SetupVertexArray(u8* array_ptr, GLintptr buffer_offset);
OGLBuffer vs_uniform_buffer;
std::unordered_map<GLShader::MaxwellVSConfig, VertexShader*> vs_shader_map;
std::unordered_map<std::string, VertexShader> vs_shader_cache;
OGLShader vs_default_shader;
void SetupVertexShader(VSUniformData* ub_ptr, GLintptr buffer_offset);
OGLBuffer fs_uniform_buffer;
std::unordered_map<GLShader::MaxwellFSConfig, FragmentShader*> fs_shader_map;
std::unordered_map<std::string, FragmentShader> fs_shader_cache;
OGLShader fs_default_shader;
void SetupFragmentShader(FSUniformData* ub_ptr, GLintptr buffer_offset);
enum class AccelDraw { Disabled, Arrays, Indexed };
AccelDraw accelerate_draw;
};

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@ -26,7 +26,6 @@
#include "core/settings.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_state.h"
#include "video_core/texture/texture_decode.h"
#include "video_core/utils.h"
#include "video_core/video_core.h"