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GPU: Metal: Rebind storage buffers when changing the pipeline moves them.

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This commit is contained in:
Jakub Wasilewski
2025-12-14 11:16:02 +01:00
committed by Sam Lantinga
parent 9092ddff3c
commit 73c9f25867
1 changed files with 12 additions and 0 deletions
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src/gpu/metal/SDL_gpu_metal.m
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@@ -2409,6 +2409,7 @@ static void METAL_BindGraphicsPipeline(
{ {
@autoreleasepool { @autoreleasepool {
MetalCommandBuffer *metalCommandBuffer = (MetalCommandBuffer *)commandBuffer; MetalCommandBuffer *metalCommandBuffer = (MetalCommandBuffer *)commandBuffer;
MetalGraphicsPipeline *previousPipeline = metalCommandBuffer->graphics_pipeline;
MetalGraphicsPipeline *pipeline = (MetalGraphicsPipeline *)graphicsPipeline; MetalGraphicsPipeline *pipeline = (MetalGraphicsPipeline *)graphicsPipeline;
SDL_GPURasterizerState *rast = &pipeline->rasterizerState; SDL_GPURasterizerState *rast = &pipeline->rasterizerState;
Uint32 i; Uint32 i;
@@ -2453,6 +2454,17 @@ static void METAL_BindGraphicsPipeline(
metalCommandBuffer); 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;
}
}
} }
} }