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implement proper blending

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This commit is contained in:
Samuliak 2024-07-03 11:37:44 +02:00
parent da8f2ff45d
commit dff6f5bf3f
3 changed files with 81 additions and 8 deletions
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17
src/core/renderer_mtl/renderer_mtl.cpp
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@ -329,6 +329,7 @@ void RendererMTL::drawVertices(PICA::PrimType primType, std::span<const PICA::Ve
const bool depthWriteEnable = Helpers::getBit<12>(depthControl);
const u8 depthFunc = Helpers::getBits<4, 3>(depthControl);
const u8 colorMask = Helpers::getBits<8, 4>(depthControl);
// TODO: color mask
// gl.setColourMask(colorMask & 0x1, colorMask & 0x2, colorMask & 0x4, colorMask & 0x8);
const u32 stencilConfig = regs[PICA::InternalRegs::StencilTest];
@ -364,11 +365,25 @@ void RendererMTL::drawVertices(PICA::PrimType primType, std::span<const PICA::Ve
depthAttachment->setStoreAction(MTL::StoreActionStore);
}
// Pipeline
// -------- Pipeline --------
Metal::PipelineHash pipelineHash{colorRenderTarget->format, DepthFmt::Unknown1};
if (depthStencilRenderTarget) {
pipelineHash.depthFmt = depthStencilRenderTarget->format;
}
// Blending
pipelineHash.blendEnabled = (regs[PICA::InternalRegs::ColourOperation] & (1 << 8)) != 0;
if (pipelineHash.blendEnabled) {
pipelineHash.blendControl = regs[PICA::InternalRegs::BlendFunc];
// TODO: constant color
//pipelineHash.constantColor = regs[PICA::InternalRegs::BlendColour];
//const u8 r = pipelineHash.constantColor & 0xff;
//const u8 g = Helpers::getBits<8, 8>(pipelineHash.constantColor);
//const u8 b = Helpers::getBits<16, 8>(pipelineHash.constantColor);
//const u8 a = Helpers::getBits<24, 8>(pipelineHash.constantColor);
}
MTL::RenderPipelineState* pipeline = drawPipelineCache.get(pipelineHash);
// Depth stencil state