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[Shader JIT] Add prologue & some more compilation stuffs

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wheremyfoodat 2023-06-08 22:22:28 +03:00
parent 415e276ef9
commit 77cba3110d
5 changed files with 116 additions and 7 deletions
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10
include/PICA/dynapica/shader_rec.hpp
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@ -15,10 +15,10 @@ class ShaderJIT {
#ifdef PANDA3DS_SHADER_JIT_SUPPORTED
using Hash = PICAShader::Hash;
using ShaderCache = std::unordered_map<Hash, std::unique_ptr<ShaderEmitter>>;
ShaderEmitter::Callback activeShaderCallback;
ShaderEmitter::PrologueCallback prologueCallback;
ShaderEmitter::InstructionCallback entrypointCallback;
ShaderCache cache;
void compileShader(PICAShader& shaderUnit);
#endif
public:
@ -26,8 +26,12 @@ public:
// Call this before starting to process a batch of vertices
// This will read the PICA config (uploaded shader and shader operand descriptors) and search if we've already compiled this shader
// If yes, it sets it as the active shader. if not, then it compiles it, adds it to the cache, and sets it as active,
// The caller must make sure the entrypoint has been properly set beforehand
void prepare(PICAShader& shaderUnit);
void reset();
void run(PICAShader& shaderUnit) {
prologueCallback(shaderUnit, entrypointCallback);
}
static constexpr bool isAvailable() { return true; }
#else
@ -42,6 +46,4 @@ public:
void reset() {}
static constexpr bool isAvailable() { return false; }
#endif
auto getCallback() { return activeShaderCallback; }
};