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Remove dependency of PICA regs in fragment config

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This commit is contained in:
offtkp 2024-07-19 23:44:26 +03:00
parent eb7e02fbc2
commit ce4146f9ba
4 changed files with 90 additions and 90 deletions
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37
include/PICA/pica_frag_config.hpp
View file

@ -81,6 +81,11 @@ namespace PICA {
LightingLUTConfig rg{};
LightingLUTConfig rb{};
u32 config1;
u32 lutAbs;
u32 lutScale;
u32 lutSelect;
std::array<Light, 8> lights{};
LightingConfig(const std::array<u32, 0x300>& regs) {
@ -90,9 +95,13 @@ namespace PICA {
}
const u32 config0 = regs[InternalRegs::LightConfig0];
const u32 config1 = regs[InternalRegs::LightConfig1];
const u32 totalLightCount = Helpers::getBits<0, 3>(regs[InternalRegs::LightNumber]) + 1;
config1 = regs[InternalRegs::LightConfig1];
lutAbs = regs[InternalRegs::LightLUTAbs];
lutScale = regs[InternalRegs::LightLUTScale];
lutSelect = regs[InternalRegs::LightLUTSelect];
enable = 1;
lightNum = totalLightCount;
@ -195,7 +204,31 @@ namespace PICA {
return std::memcmp(this, &config, sizeof(FragmentConfig)) == 0;
}
FragmentConfig(const std::array<u32, 0x300>& regs) : lighting(regs) {}
FragmentConfig(const std::array<u32, 0x300>& regs) : lighting(regs)
{
auto alphaTestConfig = regs[InternalRegs::AlphaTestConfig];
auto alphaTestFunction = Helpers::getBits<4, 3>(alphaTestConfig);
outConfig.alphaTestFunction = (alphaTestConfig & 1) ? static_cast<PICA::CompareFunction>(alphaTestFunction) : PICA::CompareFunction::Always;
outConfig.depthMapEnable = regs[InternalRegs::DepthmapEnable] & 1;
texConfig.texUnitConfig = regs[InternalRegs::TexUnitCfg];
texConfig.texEnvUpdateBuffer = regs[InternalRegs::TexEnvUpdateBuffer];
// Set up TEV stages. Annoyingly we can't just memcpy as the TEV registers are arranged like
// {Source, Operand, Combiner, Color, Scale} and we want to skip the color register since it's uploaded via UBO
#define setupTevStage(stage) \
std::memcpy(&texConfig.tevConfigs[stage * 4], &regs[InternalRegs::TexEnv##stage##Source], 3 * sizeof(u32)); \
texConfig.tevConfigs[stage * 4 + 3] = regs[InternalRegs::TexEnv##stage##Source + 5];
setupTevStage(0);
setupTevStage(1);
setupTevStage(2);
setupTevStage(3);
setupTevStage(4);
setupTevStage(5);
#undef setupTevStage
}
};
static_assert(

19
include/PICA/shader_gen.hpp
View file

@ -14,27 +14,24 @@ namespace PICA::ShaderGen {
enum class Language { GLSL };
class FragmentGenerator {
using PICARegs = std::array<u32, 0x300>;
API api;
Language language;
void compileTEV(std::string& shader, int stage, const PICARegs& regs);
void getSource(std::string& shader, PICA::TexEnvConfig::Source source, int index);
void getColorOperand(std::string& shader, PICA::TexEnvConfig::Source source, PICA::TexEnvConfig::ColorOperand color, int index);
void getAlphaOperand(std::string& shader, PICA::TexEnvConfig::Source source, PICA::TexEnvConfig::AlphaOperand alpha, int index);
void compileTEV(std::string& shader, int stage, const PICA::FragmentConfig& config);
void getSource(std::string& shader, PICA::TexEnvConfig::Source source, int index, const PICA::FragmentConfig& config);
void getColorOperand(std::string& shader, PICA::TexEnvConfig::Source source, PICA::TexEnvConfig::ColorOperand color, int index, const PICA::FragmentConfig& config);
void getAlphaOperand(std::string& shader, PICA::TexEnvConfig::Source source, PICA::TexEnvConfig::AlphaOperand alpha, int index, const PICA::FragmentConfig& config);
void getColorOperation(std::string& shader, PICA::TexEnvConfig::Operation op);
void getAlphaOperation(std::string& shader, PICA::TexEnvConfig::Operation op);
void applyAlphaTest(std::string& shader, const PICARegs& regs);
void compileLights(std::string& shader, const PICA::FragmentConfig& config, const PICARegs& regs);
void compileLUTLookup(std::string& shader, const PICA::FragmentConfig& config, const PICARegs& regs, u32 lightIndex, u32 lutID);
void applyAlphaTest(std::string& shader, const PICA::FragmentConfig& config);
void compileLights(std::string& shader, const PICA::FragmentConfig& config);
void compileLUTLookup(std::string& shader, const PICA::FragmentConfig& config, u32 lightIndex, u32 lutID);
bool isSamplerEnabled(u32 environmentID, u32 lutID);
u32 textureConfig = 0;
public:
FragmentGenerator(API api, Language language) : api(api), language(language) {}
std::string generate(const PICARegs& regs, const PICA::FragmentConfig& config);
std::string generate(const PICA::FragmentConfig& config);
std::string getDefaultVertexShader();
void setTarget(API api, Language language) {