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GPU: Handle the SetShader method call (0xE24) and store the shader config.

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This commit is contained in:
Subv 2018-03-16 22:06:24 -05:00
parent cd4e8a989c
commit f93d769a1c
2 changed files with 38 additions and 4 deletions
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24
src/video_core/engines/maxwell_3d.cpp
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@ -9,7 +9,7 @@ namespace Tegra {
namespace Engines {
const std::unordered_map<u32, Maxwell3D::MethodInfo> Maxwell3D::method_handlers = {
{0xE24, {"PrepareShader", 5, &Maxwell3D::PrepareShader}},
{0xE24, {"SetShader", 5, &Maxwell3D::SetShader}},
};
Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
@ -79,7 +79,27 @@ void Maxwell3D::DrawArrays() {
LOG_WARNING(HW_GPU, "Game requested a DrawArrays, ignoring");
}
void Maxwell3D::PrepareShader(const std::vector<u32>& parameters) {}
void Maxwell3D::SetShader(const std::vector<u32>& parameters) {
/**
* Parameters description:
* [0] = Shader Program.
* [1] = Unknown.
* [2] = Offset to the start of the shader, after the 0x30 bytes header.
* [3] = Shader Type.
* [4] = Shader End 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 begin_address = parameters[2];
auto shader_type = static_cast<Regs::ShaderType>(parameters[3]);
GPUVAddr end_address = parameters[4] << 8;
auto& shader = state.shaders[static_cast<size_t>(shader_program)];
shader.program = shader_program;
shader.type = shader_type;
shader.begin_address = begin_address;
shader.end_address = end_address;
}
} // namespace Engines
} // namespace Tegra

18
src/video_core/engines/maxwell_3d.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <array>
#include <unordered_map>
#include <vector>
#include "common/bit_field.h"
@ -104,7 +105,7 @@ public:
u32 gpr_alloc;
ShaderType type;
INSERT_PADDING_WORDS(9);
} shader_config[6];
} shader_config[MaxShaderProgram];
INSERT_PADDING_WORDS(0x5D0);
@ -120,6 +121,19 @@ public:
static_assert(sizeof(Regs) == Regs::NUM_REGS * sizeof(u32), "Maxwell3D Regs has wrong size");
struct State {
struct ShaderInfo {
Regs::ShaderType type;
Regs::ShaderProgram program;
GPUVAddr begin_address;
GPUVAddr end_address;
};
std::array<ShaderInfo, Regs::MaxShaderProgram> shaders;
};
State state;
private:
MemoryManager& memory_manager;
@ -130,7 +144,7 @@ private:
void DrawArrays();
/// Method call handlers
void PrepareShader(const std::vector<u32>& parameters);
void SetShader(const std::vector<u32>& parameters);
struct MethodInfo {
const char* name;