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Code Issues Releases Activity

GPU: Use the MacroInterpreter class to execute the GPU macros instead of HLEing them.

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This commit is contained in:
Subv 2018-03-28 15:20:18 -05:00
parent 1ec8d2123d
commit 11b4ab9685
2 changed files with 13 additions and 121 deletions
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108
src/video_core/engines/maxwell_3d.cpp
View file

@ -19,35 +19,21 @@ namespace Engines {
/// First register id that is actually a Macro call.
constexpr u32 MacroRegistersStart = 0xE00;
const std::unordered_map<u32, Maxwell3D::MethodInfo> Maxwell3D::method_handlers = {
{0xE1A, {"BindTextureInfoBuffer", 1, &Maxwell3D::BindTextureInfoBuffer}},
{0xE24, {"SetShader", 5, &Maxwell3D::SetShader}},
{0xE2A, {"BindStorageBuffer", 1, &Maxwell3D::BindStorageBuffer}},
};
Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
Maxwell3D::Maxwell3D(MemoryManager& memory_manager)
: memory_manager(memory_manager), macro_interpreter(*this) {}
void Maxwell3D::SubmitMacroCode(u32 entry, std::vector<u32> code) {
uploaded_macros[entry * 2 + MacroRegistersStart] = std::move(code);
}
void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters) {
// TODO(Subv): Write an interpreter for the macros uploaded via registers 0x45 and 0x47
void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {
auto macro_code = uploaded_macros.find(method);
// The requested macro must have been uploaded already.
ASSERT_MSG(uploaded_macros.find(method) != uploaded_macros.end(), "Macro %08X was not uploaded",
method);
ASSERT_MSG(macro_code != uploaded_macros.end(), "Macro %08X was not uploaded", method);
auto itr = method_handlers.find(method);
ASSERT_MSG(itr != method_handlers.end(), "Unhandled method call %08X", method);
ASSERT(itr->second.arguments == parameters.size());
(this->*itr->second.handler)(parameters);
// Reset the current macro and its parameters.
// Reset the current macro and execute it.
executing_macro = 0;
macro_params.clear();
macro_interpreter.Execute(macro_code->second, std::move(parameters));
}
void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
@ -77,7 +63,7 @@ void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
// Call the macro when there are no more parameters in the command buffer
if (remaining_params == 0) {
CallMacroMethod(executing_macro, macro_params);
CallMacroMethod(executing_macro, std::move(macro_params));
}
return;
}
@ -193,84 +179,6 @@ void Maxwell3D::DrawArrays() {
VideoCore::g_renderer->Rasterizer()->AccelerateDrawBatch(false /*is_indexed*/);
}
void Maxwell3D::BindTextureInfoBuffer(const std::vector<u32>& parameters) {
/**
* Parameters description:
* [0] = Shader stage, usually 4 for FragmentShader
*/
u32 stage = parameters[0];
// Perform the same operations as the real macro code.
GPUVAddr address = static_cast<GPUVAddr>(regs.tex_info_buffers.address[stage]) << 8;
u32 size = regs.tex_info_buffers.size[stage];
regs.const_buffer.cb_size = size;
regs.const_buffer.cb_address_high = address >> 32;
regs.const_buffer.cb_address_low = address & 0xFFFFFFFF;
}
void Maxwell3D::SetShader(const std::vector<u32>& parameters) {
/**
* Parameters description:
* [0] = Shader Program.
* [1] = Unknown, presumably the shader id.
* [2] = Offset to the start of the shader, after the 0x30 bytes header.
* [3] = Shader Stage.
* [4] = Const Buffer Address >> 8.
*/
auto shader_program = static_cast<Regs::ShaderProgram>(parameters[0]);
// TODO(Subv): This address is probably an offset from the CODE_ADDRESS register.
GPUVAddr address = parameters[2];
auto shader_stage = static_cast<Regs::ShaderStage>(parameters[3]);
GPUVAddr cb_address = parameters[4] << 8;
auto& shader = state.shader_programs[static_cast<size_t>(shader_program)];
shader.program = shader_program;
shader.stage = shader_stage;
shader.address = address;
// Perform the same operations as the real macro code.
// TODO(Subv): Early exit if register 0xD1C + shader_program contains the same as params[1].
auto& shader_regs = regs.shader_config[static_cast<size_t>(shader_program)];
shader_regs.start_id = address;
// TODO(Subv): Write params[1] to register 0xD1C + shader_program.
// TODO(Subv): Write params[2] to register 0xD22 + shader_program.
// Note: This value is hardcoded in the macro's code.
static constexpr u32 DefaultCBSize = 0x10000;
regs.const_buffer.cb_size = DefaultCBSize;
regs.const_buffer.cb_address_high = cb_address >> 32;
regs.const_buffer.cb_address_low = cb_address & 0xFFFFFFFF;
// Write a hardcoded 0x11 to CB_BIND, this binds the current const buffer to buffer c1[] in the
// shader. It's likely that these are the constants for the shader.
regs.cb_bind[static_cast<size_t>(shader_stage)].valid.Assign(1);
regs.cb_bind[static_cast<size_t>(shader_stage)].index.Assign(1);
ProcessCBBind(shader_stage);
}
void Maxwell3D::BindStorageBuffer(const std::vector<u32>& parameters) {
/**
* Parameters description:
* [0] = Buffer offset >> 2
*/
u32 buffer_offset = parameters[0] << 2;
// Perform the same operations as the real macro code.
// Note: This value is hardcoded in the macro's code.
static constexpr u32 DefaultCBSize = 0x5F00;
regs.const_buffer.cb_size = DefaultCBSize;
GPUVAddr address = regs.ssbo_info.BufferAddress();
regs.const_buffer.cb_address_high = address >> 32;
regs.const_buffer.cb_address_low = address & 0xFFFFFFFF;
regs.const_buffer.cb_pos = buffer_offset;
}
void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
// Bind the buffer currently in CB_ADDRESS to the specified index in the desired shader stage.
auto& shader = state.shader_stages[static_cast<size_t>(stage)];

26
src/video_core/engines/maxwell_3d.h
View file

@ -13,6 +13,7 @@
#include "common/common_types.h"
#include "common/math_util.h"
#include "video_core/gpu.h"
#include "video_core/macro_interpreter.h"
#include "video_core/memory_manager.h"
#include "video_core/textures/texture.h"
@ -498,18 +499,11 @@ public:
bool enabled;
};
struct ShaderProgramInfo {
Regs::ShaderStage stage;
Regs::ShaderProgram program;
GPUVAddr address;
};
struct ShaderStageInfo {
std::array<ConstBufferInfo, Regs::MaxConstBuffers> const_buffers;
};
std::array<ShaderStageInfo, Regs::MaxShaderStage> shader_stages;
std::array<ShaderProgramInfo, Regs::MaxShaderProgram> shader_programs;
};
State state{};
@ -536,6 +530,9 @@ private:
/// Parameters that have been submitted to the macro call so far.
std::vector<u32> macro_params;
/// Interpreter for the macro codes uploaded to the GPU.
MacroInterpreter macro_interpreter;
/// Retrieves information about a specific TIC entry from the TIC buffer.
Texture::TICEntry GetTICEntry(u32 tic_index) const;
@ -547,7 +544,7 @@ private:
* @param method Method to call
* @param parameters Arguments to the method call
*/
void CallMacroMethod(u32 method, const std::vector<u32>& parameters);
void CallMacroMethod(u32 method, std::vector<u32> parameters);
/// Handles a write to the QUERY_GET register.
void ProcessQueryGet();
@ -560,19 +557,6 @@ private:
/// Handles a write to the VERTEX_END_GL register, triggering a draw.
void DrawArrays();
/// Method call handlers
void BindTextureInfoBuffer(const std::vector<u32>& parameters);
void SetShader(const std::vector<u32>& parameters);
void BindStorageBuffer(const std::vector<u32>& parameters);
struct MethodInfo {
const char* name;
u32 arguments;
void (Maxwell3D::*handler)(const std::vector<u32>& parameters);
};
static const std::unordered_map<u32, MethodInfo> method_handlers;
};
#define ASSERT_REG_POSITION(field_name, position) \