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GPU: Simultaneous compute pass read-write (#10965)

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Evan Hemsley 2024-09-27 12:49:37 -07:00 • committed by GitHub
parent d39acc6d1e
commit 05d0656bd6
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GPG key ID: B5690EEEBB952194
8 changed files with 241 additions and 186 deletions
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18
src/gpu/SDL_gpu.c
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@ -705,11 +705,11 @@ SDL_GPUComputePipeline *SDL_CreateGPUComputePipeline(
SDL_assert_release(!"Incompatible shader format for GPU backend");
return NULL;
}
if (createinfo->num_writeonly_storage_textures > MAX_COMPUTE_WRITE_TEXTURES) {
if (createinfo->num_readwrite_storage_textures > MAX_COMPUTE_WRITE_TEXTURES) {
SDL_assert_release(!"Compute pipeline write-only texture count cannot be higher than 8!");
return NULL;
}
if (createinfo->num_writeonly_storage_buffers > MAX_COMPUTE_WRITE_BUFFERS) {
if (createinfo->num_readwrite_storage_buffers > MAX_COMPUTE_WRITE_BUFFERS) {
SDL_assert_release(!"Compute pipeline write-only buffer count cannot be higher than 8!");
return NULL;
}
@ -1868,9 +1868,9 @@ void SDL_EndGPURenderPass(
SDL_GPUComputePass *SDL_BeginGPUComputePass(
SDL_GPUCommandBuffer *command_buffer,
const SDL_GPUStorageTextureWriteOnlyBinding *storage_texture_bindings,
const SDL_GPUStorageTextureReadWriteBinding *storage_texture_bindings,
Uint32 num_storage_texture_bindings,
const SDL_GPUStorageBufferWriteOnlyBinding *storage_buffer_bindings,
const SDL_GPUStorageBufferReadWriteBinding *storage_buffer_bindings,
Uint32 num_storage_buffer_bindings)
{
CommandBufferCommonHeader *commandBufferHeader;
@ -1898,6 +1898,16 @@ SDL_GPUComputePass *SDL_BeginGPUComputePass(
if (COMMAND_BUFFER_DEVICE->debug_mode) {
CHECK_COMMAND_BUFFER_RETURN_NULL
CHECK_ANY_PASS_IN_PROGRESS("Cannot begin compute pass during another pass!", NULL)
for (Uint32 i = 0; i < num_storage_texture_bindings; i += 1) {
TextureCommonHeader *header = (TextureCommonHeader *)storage_texture_bindings[i].texture;
if (!(header->info.usage & SDL_GPU_TEXTUREUSAGE_COMPUTE_STORAGE_WRITE) && !(header->info.usage & SDL_GPU_TEXTUREUSAGE_COMPUTE_STORAGE_SIMULTANEOUS_READ_WRITE)) {
SDL_assert_release(!"Texture must be created with COMPUTE_STORAGE_WRITE or COMPUTE_STORAGE_SIMULTANEOUS_READ_WRITE flag");
return NULL;
}
}
// TODO: validate buffer usage?
}
COMMAND_BUFFER_DEVICE->BeginComputePass(