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support instancing for mesh shaders

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This commit is contained in:
Samuliak 2024-09-11 12:22:45 +02:00
parent 395cd1cd11
commit 950f04d444
5 changed files with 15 additions and 6 deletions
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8
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
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@ -1183,10 +1183,14 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
}
if (usesGeometryShader)
{
uint32 verticesPerInstance = count / instanceCount;
// TODO: make a helper function for this
renderCommandEncoder->setObjectBytes(&verticesPerInstance, sizeof(verticesPerInstance), vertexShader->resourceMapping.verticesPerInstanceBinding);
encoderState.m_buffers[METAL_SHADER_TYPE_OBJECT][vertexShader->resourceMapping.verticesPerInstanceBinding] = {nullptr};
if (indexBuffer)
SetBuffer(renderCommandEncoder, METAL_SHADER_TYPE_OBJECT, indexBuffer, indexBufferOffset, vertexShader->resourceMapping.indexBufferBinding);
renderCommandEncoder->setObjectBytes(&hostIndexType, sizeof(hostIndexType), vertexShader->resourceMapping.indexTypeBinding);
encoderState.m_buffers[METAL_SHADER_TYPE_OBJECT][vertexShader->resourceMapping.indexTypeBinding] = {nullptr};
encoderState.m_buffers[METAL_SHADER_TYPE_OBJECT][vertexShader->resourceMapping.indexTypeBinding] = {nullptr};
uint32 verticesPerPrimitive = 0;
switch (primitiveMode)
@ -1206,7 +1210,7 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
break;
}
renderCommandEncoder->drawMeshThreadgroups(MTL::Size(count / verticesPerPrimitive, 1, 1), MTL::Size(verticesPerPrimitive, 1, 1), MTL::Size(1, 1, 1));
renderCommandEncoder->drawMeshThreadgroups(MTL::Size(count * instanceCount / verticesPerPrimitive, 1, 1), MTL::Size(verticesPerPrimitive, 1, 1), MTL::Size(1, 1, 1));
}
else
{