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turn num lights into spec constant

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This commit is contained in:
Samuliak 2024-07-05 22:12:00 +02:00
parent 0c19f5a3ea
commit 0752a583b5
3 changed files with 9 additions and 7 deletions
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6
include/renderer_mtl/mtl_draw_pipeline_cache.hpp
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@ -17,6 +17,7 @@ struct DrawPipelineHash {
// Specialization constants
bool lightingEnabled;
u8 lightingNumLights;
};
// Bind the vertex buffer to binding 30 so that it doesn't occupy the lower indices
@ -41,14 +42,15 @@ public:
}
MTL::RenderPipelineState* get(DrawPipelineHash hash) {
u64 pipelineHash = ((u64)hash.colorFmt << 37) | ((u64)hash.depthFmt << 34) | ((u64)hash.blendEnabled << 33) | ((u64)hash.blendControl << 1) | (u64)hash.lightingEnabled;
u8 fragmentFunctionHash = ((u8)hash.lightingEnabled << 4) | hash.lightingNumLights;
u64 pipelineHash = ((u64)hash.colorFmt << 44) | ((u64)hash.depthFmt << 41) | ((u64)hash.blendEnabled << 40) | ((u64)hash.blendControl << 8) | fragmentFunctionHash;
auto& pipeline = pipelineCache[pipelineHash];
if (!pipeline) {
u8 fragmentFunctionHash = (u8)hash.lightingEnabled;
auto& fragmentFunction = fragmentFunctionCache[fragmentFunctionHash];
if (!fragmentFunction) {
MTL::FunctionConstantValues* constants = MTL::FunctionConstantValues::alloc()->init();
constants->setConstantValue(&hash.lightingEnabled, MTL::DataTypeBool, NS::UInteger(0));
constants->setConstantValue(&hash.lightingNumLights, MTL::DataTypeUChar, NS::UInteger(1));
NS::Error* error = nullptr;
fragmentFunction = library->newFunction(NS::String::string("fragmentDraw", NS::ASCIIStringEncoding), constants, &error);