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implement blending

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This commit is contained in:
Samuliak 2024-08-01 20:45:24 +02:00
parent d4564c18f2
commit e4abb305ac
4 changed files with 97 additions and 8 deletions
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39
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
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@ -560,7 +560,7 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
LatteSHRC_UpdateActiveShaders();
LatteDecompilerShader* vertexShader = LatteSHRC_GetActiveVertexShader();
LatteDecompilerShader* pixelShader = LatteSHRC_GetActivePixelShader();
if (!vertexShader)
if (!vertexShader || !static_cast<RendererShaderMtl*>(vertexShader->shader)->GetFunction())
{
printf("no vertex function, skipping draw\n");
return;
@ -631,7 +631,42 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
{
continue;
}
renderPipelineDescriptor->colorAttachments()->object(i)->setPixelFormat(texture->GetTexture()->pixelFormat());
auto colorAttachment = renderPipelineDescriptor->colorAttachments()->object(i);
colorAttachment->setPixelFormat(texture->GetTexture()->pixelFormat());
// Blending
const Latte::LATTE_CB_COLOR_CONTROL& colorControlReg = LatteGPUState.contextNew.CB_COLOR_CONTROL;
uint32 blendEnableMask = colorControlReg.get_BLEND_MASK();
uint32 renderTargetMask = LatteGPUState.contextNew.CB_TARGET_MASK.get_MASK();
bool blendEnabled = ((blendEnableMask & (1 << i))) != 0;
if (blendEnabled)
{
colorAttachment->setBlendingEnabled(true);
const auto& blendControlReg = LatteGPUState.contextNew.CB_BLENDN_CONTROL[i];
auto rgbBlendOp = GetMtlBlendOp(blendControlReg.get_COLOR_COMB_FCN());
auto srcRgbBlendFactor = GetMtlBlendFactor(blendControlReg.get_COLOR_SRCBLEND());
auto dstRgbBlendFactor = GetMtlBlendFactor(blendControlReg.get_COLOR_DSTBLEND());
colorAttachment->setWriteMask((renderTargetMask >> (i * 4)) & 0xF);
colorAttachment->setRgbBlendOperation(rgbBlendOp);
colorAttachment->setSourceRGBBlendFactor(srcRgbBlendFactor);
colorAttachment->setDestinationRGBBlendFactor(dstRgbBlendFactor);
if (blendControlReg.get_SEPARATE_ALPHA_BLEND())
{
colorAttachment->setAlphaBlendOperation(GetMtlBlendOp(blendControlReg.get_ALPHA_COMB_FCN()));
colorAttachment->setSourceAlphaBlendFactor(GetMtlBlendFactor(blendControlReg.get_ALPHA_SRCBLEND()));
colorAttachment->setDestinationAlphaBlendFactor(GetMtlBlendFactor(blendControlReg.get_ALPHA_DSTBLEND()));
}
else
{
colorAttachment->setAlphaBlendOperation(rgbBlendOp);
colorAttachment->setSourceAlphaBlendFactor(srcRgbBlendFactor);
colorAttachment->setDestinationAlphaBlendFactor(dstRgbBlendFactor);
}
}
}
if (m_state.activeFBO->depthBuffer.texture)
{