Diamond75/Panda3DS
1
0
Fork 0
mirror of https://github.com/wheremyfoodat/Panda3DS.git synced 2025-04-21 12:59:14 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Use u32 for scale instead of float in FragmentConfig

Browse source
This commit is contained in:
offtkp 2024-07-21 17:28:40 +03:00
parent ed67069487
commit b333bf8a0c
2 changed files with 17 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/core/PICA/shader_gen_glsl.cpp
View file

@ -617,7 +617,7 @@ void FragmentGenerator::compileLUTLookup(std::string& shader, const PICA::Fragme
return;
}
float scale = lut.scale;
uint scale = lut.scale;
uint inputID = lut.type;
bool absEnabled = lut.absInput;
@ -634,17 +634,22 @@ void FragmentGenerator::compileLUTLookup(std::string& shader, const PICA::Fragme
break;
}
static constexpr float scales[] = {1.0f, 2.0f, 4.0f, 8.0f, 0.0f, 0.0f, 0.25f, 0.5f};
if (absEnabled) {
bool twoSidedDiffuse = config.lighting.lights[lightIndex].twoSidedDiffuse;
shader += twoSidedDiffuse ? "lut_lookup_delta = abs(lut_lookup_delta);\n" : "lut_lookup_delta = max(lut_lookup_delta, 0.0);\n";
shader += "lut_lookup_result = lutLookup(" + std::to_string(lutIndex) + ", int(clamp(floor(lut_lookup_delta * 256.0), 0.0, 255.0)));\n";
if (scale != 1.0) {
shader += "lut_lookup_result *= " + std::to_string(scale) + ";\n";
if (scale != 0) {
shader += "lut_lookup_result *= " + std::to_string(scales[scale]) + ";\n";
}
} else {
// Range is [-1, 1] so we need to map it to [0, 1]
shader += "lut_lookup_index = int(clamp(floor(lut_lookup_delta * 128.0), -128.f, 127.f));\n";
shader += "if (lut_lookup_index < 0) lut_lookup_index += 256;\n";
shader += "lut_lookup_result = lutLookup(" + std::to_string(lutIndex) + ", lut_lookup_index) *" + std::to_string(scale) + ";\n";
shader += "lut_lookup_result = lutLookup(" + std::to_string(lutIndex) + ", lut_lookup_index);\n";
if (scale != 0) {
shader += "lut_lookup_result *= " + std::to_string(scales[scale]) + ";\n";
}
}
}