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gl_shader_gen: Add hashable setup/config structs.

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This commit is contained in:
bunnei 2018-04-07 04:51:42 -04:00
parent 2fcbb35ad2
commit 10953495c1
2 changed files with 50 additions and 29 deletions
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4
src/video_core/renderer_opengl/gl_shader_gen.cpp
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@ -7,12 +7,12 @@
namespace GLShader {
std::string GenerateVertexShader(const MaxwellVSConfig& config) {
std::string GenerateVertexShader(const ShaderSetup& setup, const MaxwellVSConfig& config) {
UNREACHABLE();
return {};
}
std::string GenerateFragmentShader(const MaxwellFSConfig& config) {
std::string GenerateFragmentShader(const ShaderSetup& setup, const MaxwellFSConfig& config) {
UNREACHABLE();
return {};
}

75
src/video_core/renderer_opengl/gl_shader_gen.h
View file

@ -4,46 +4,67 @@
#pragma once
#include <cstring>
#include <array>
#include <string>
#include <type_traits>
#include "common/common_types.h"
#include "common/hash.h"
namespace GLShader {
enum Attributes {
ATTRIBUTE_POSITION,
ATTRIBUTE_COLOR,
ATTRIBUTE_TEXCOORD0,
ATTRIBUTE_TEXCOORD1,
ATTRIBUTE_TEXCOORD2,
ATTRIBUTE_TEXCOORD0_W,
ATTRIBUTE_NORMQUAT,
ATTRIBUTE_VIEW,
constexpr size_t MAX_PROGRAM_CODE_LENGTH{0x1000};
using ProgramCode = std::array<u64, MAX_PROGRAM_CODE_LENGTH>;
struct ShaderSetup {
ShaderSetup(ProgramCode&& program_code) : program_code(std::move(program_code)) {}
ProgramCode program_code;
bool program_code_hash_dirty = true;
u64 GetProgramCodeHash() {
if (program_code_hash_dirty) {
program_code_hash = Common::ComputeHash64(&program_code, sizeof(program_code));
program_code_hash_dirty = false;
}
return program_code_hash;
}
private:
u64 program_code_hash{};
};
struct MaxwellShaderConfigCommon {
explicit MaxwellShaderConfigCommon(){};
void Init(ShaderSetup& setup) {
program_hash = setup.GetProgramCodeHash();
}
u64 program_hash;
};
struct MaxwellVSConfig : MaxwellShaderConfigCommon {
explicit MaxwellVSConfig() : MaxwellShaderConfigCommon() {}
bool operator==(const MaxwellVSConfig& o) const {
return std::memcmp(this, &o, sizeof(MaxwellVSConfig)) == 0;
};
struct MaxwellVSConfig : Common::HashableStruct<MaxwellShaderConfigCommon> {
explicit MaxwellVSConfig(ShaderSetup& setup) {
state.Init(setup);
}
};
struct MaxwellFSConfig : MaxwellShaderConfigCommon {
explicit MaxwellFSConfig() : MaxwellShaderConfigCommon() {}
bool operator==(const MaxwellFSConfig& o) const {
return std::memcmp(this, &o, sizeof(MaxwellFSConfig)) == 0;
};
struct MaxwellFSConfig : Common::HashableStruct<MaxwellShaderConfigCommon> {
explicit MaxwellFSConfig(ShaderSetup& setup) {
state.Init(setup);
}
};
std::string GenerateVertexShader(const MaxwellVSConfig& config);
std::string GenerateFragmentShader(const MaxwellFSConfig& config);
/**
* Generates the GLSL vertex shader program source code for the given VS program
* @returns String of the shader source code
*/
std::string GenerateVertexShader(const ShaderSetup& setup, const MaxwellVSConfig& config);
/**
* Generates the GLSL fragment shader program source code for the given FS program
* @returns String of the shader source code
*/
std::string GenerateFragmentShader(const ShaderSetup& setup, const MaxwellFSConfig& config);
} // namespace GLShader
@ -52,14 +73,14 @@ namespace std {
template <>
struct hash<GLShader::MaxwellVSConfig> {
size_t operator()(const GLShader::MaxwellVSConfig& k) const {
return Common::ComputeHash64(&k, sizeof(GLShader::MaxwellVSConfig));
return k.Hash();
}
};
template <>
struct hash<GLShader::MaxwellFSConfig> {
size_t operator()(const GLShader::MaxwellFSConfig& k) const {
return Common::ComputeHash64(&k, sizeof(GLShader::MaxwellFSConfig));
return k.Hash();
}
};