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upload env state to the shader

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This commit is contained in:
Samuliak 2024-07-02 14:48:50 +02:00
parent 3bb1ccd4d8
commit ee74af43ec
3 changed files with 178 additions and 26 deletions
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43
src/core/renderer_mtl/renderer_mtl.cpp
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@ -211,7 +211,9 @@ void RendererMTL::drawVertices(PICA::PrimType primType, std::span<const PICA::Ve
renderCommandEncoder->setVertexBytes(vertices.data(), vertices.size_bytes(), VERTEX_BUFFER_BINDING_INDEX);
// Bind resources
setupTextureEnvState(renderCommandEncoder);
bindTexturesToSlots(renderCommandEncoder);
renderCommandEncoder->setFragmentBytes(&regs[0x48], 0x200 - 0x48, 0);
// TODO: respect primitive type
renderCommandEncoder->drawPrimitives(MTL::PrimitiveTypeTriangle, NS::UInteger(0), NS::UInteger(vertices.size()));
@ -245,6 +247,47 @@ MTL::Texture* RendererMTL::getTexture(Metal::Texture& tex) {
}
}
void RendererMTL::setupTextureEnvState(MTL::RenderCommandEncoder* encoder) {
static constexpr std::array<u32, 6> ioBases = {
PICA::InternalRegs::TexEnv0Source, PICA::InternalRegs::TexEnv1Source, PICA::InternalRegs::TexEnv2Source,
PICA::InternalRegs::TexEnv3Source, PICA::InternalRegs::TexEnv4Source, PICA::InternalRegs::TexEnv5Source,
};
struct {
u32 textureEnvSourceRegs[6];
u32 textureEnvOperandRegs[6];
u32 textureEnvCombinerRegs[6];
u32 textureEnvScaleRegs[6];
} envState;
u32 textureEnvColourRegs[6];
for (int i = 0; i < 6; i++) {
const u32 ioBase = ioBases[i];
envState.textureEnvSourceRegs[i] = regs[ioBase];
envState.textureEnvOperandRegs[i] = regs[ioBase + 1];
envState.textureEnvCombinerRegs[i] = regs[ioBase + 2];
textureEnvColourRegs[i] = regs[ioBase + 3];
envState.textureEnvScaleRegs[i] = regs[ioBase + 4];
}
for (int i = 0; i < 6; i++) {
std::cout << "textureEnvSourceRegs[" << i << "] = " << envState.textureEnvSourceRegs[i] << std::endl;
}
for (int i = 0; i < 6; i++) {
std::cout << "textureEnvOperandRegs[" << i << "] = " << envState.textureEnvOperandRegs[i] << std::endl;
}
for (int i = 0; i < 6; i++) {
std::cout << "textureEnvCombinerRegs[" << i << "] = " << envState.textureEnvCombinerRegs[i] << std::endl;
}
for (int i = 0; i < 6; i++) {
std::cout << "textureEnvScaleRegs[" << i << "] = " << envState.textureEnvScaleRegs[i] << std::endl;
}
// TODO: upload textureEnvColourRegs to the vertex shader
encoder->setFragmentBytes(&envState, sizeof(envState), 1);
}
void RendererMTL::bindTexturesToSlots(MTL::RenderCommandEncoder* encoder) {
static constexpr std::array<u32, 3> ioBases = {
PICA::InternalRegs::Tex0BorderColor,