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Metal: Fix for required rebinding when switching pipelines

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(cherry picked from commit 4c69fd050c)
This commit is contained in:
Nick Waanders
2026-07-30 13:19:43 -07:00
committed by Sam Lantinga
parent 105ad5e875
commit bcbdcaf6e4
1 changed files with 12 additions and 12 deletions
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24
src/gpu/metal/SDL_gpu_metal.m
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@@ -2411,7 +2411,6 @@ static void METAL_BindGraphicsPipeline(
{
@autoreleasepool {
MetalCommandBuffer *metalCommandBuffer = (MetalCommandBuffer *)commandBuffer;
MetalGraphicsPipeline *previousPipeline = metalCommandBuffer->graphics_pipeline;
MetalGraphicsPipeline *pipeline = (MetalGraphicsPipeline *)graphicsPipeline;
SDL_GPURasterizerState *rast = &pipeline->rasterizerState;
Uint32 i;
@@ -2438,6 +2437,14 @@ static void METAL_BindGraphicsPipeline(
setDepthStencilState:pipeline->depth_stencil_state];
}
// Mark that bindings are needed
metalCommandBuffer->needVertexSamplerBind = true;
metalCommandBuffer->needVertexStorageTextureBind = true;
metalCommandBuffer->needVertexStorageBufferBind = true;
metalCommandBuffer->needFragmentSamplerBind = true;
metalCommandBuffer->needFragmentStorageTextureBind = true;
metalCommandBuffer->needFragmentStorageBufferBind = true;
for (i = 0; i < MAX_UNIFORM_BUFFERS_PER_STAGE; i += 1) {
metalCommandBuffer->needVertexUniformBufferBind[i] = true;
metalCommandBuffer->needFragmentUniformBufferBind[i] = true;
@@ -2456,17 +2463,6 @@ static void METAL_BindGraphicsPipeline(
metalCommandBuffer);
}
}
if (previousPipeline && previousPipeline != pipeline) {
// if the number of uniform buffers has changed, the storage buffers will move as well
// and need a rebind at their new locations
if (previousPipeline->header.num_vertex_uniform_buffers != pipeline->header.num_vertex_uniform_buffers) {
metalCommandBuffer->needVertexStorageBufferBind = true;
}
if (previousPipeline->header.num_fragment_uniform_buffers != pipeline->header.num_fragment_uniform_buffers) {
metalCommandBuffer->needFragmentStorageBufferBind = true;
}
}
}
}
@@ -3182,6 +3178,10 @@ static void METAL_BindComputePipeline(
}
}
metalCommandBuffer->needComputeSamplerBind = true;
metalCommandBuffer->needComputeReadOnlyStorageTextureBind = true;
metalCommandBuffer->needComputeReadOnlyStorageBufferBind = true;
// Bind write-only resources
if (pipeline->header.numReadWriteStorageTextures > 0) {
[metalCommandBuffer->computeEncoder setTextures:metalCommandBuffer->computeReadWriteTextures