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webgpu: start stream;
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bjorn
parent
86bb7ae446
commit
bd3ba49fef
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@ -569,8 +569,8 @@ void gpu_draw_indirect(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset,
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void gpu_draw_indirect_indexed(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset, uint32_t drawCount, uint32_t stride);
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void gpu_compute(gpu_stream* stream, uint32_t x, uint32_t y, uint32_t z);
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void gpu_compute_indirect(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset);
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void gpu_copy_buffers(gpu_stream* stream, gpu_buffer* src, gpu_buffer* dst, uint32_t srcOffset, uint32_t dstOffset, uint32_t size);
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void gpu_copy_textures(gpu_stream* stream, gpu_texture* src, gpu_texture* dst, uint32_t srcOffset[4], uint32_t dstOffset[4], uint32_t size[3]);
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void gpu_copy_buffers(gpu_stream* stream, gpu_buffer* src, gpu_buffer* dst, uint32_t srcOffset, uint32_t dstOffset, uint32_t extent);
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void gpu_copy_textures(gpu_stream* stream, gpu_texture* src, gpu_texture* dst, uint32_t srcOffset[4], uint32_t dstOffset[4], uint32_t extent[3]);
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void gpu_copy_buffer_texture(gpu_stream* stream, gpu_buffer* src, gpu_texture* dst, uint32_t srcOffset, uint32_t dstOffset[4], uint32_t extent[3]);
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void gpu_copy_texture_buffer(gpu_stream* stream, gpu_texture* src, gpu_buffer* dst, uint32_t srcOffset[4], uint32_t dstOffset, uint32_t extent[3]);
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void gpu_copy_tally_buffer(gpu_stream* stream, gpu_tally* src, gpu_buffer* dst, uint32_t srcIndex, uint32_t dstOffset, uint32_t count, uint32_t stride);
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@ -30,11 +30,20 @@ struct gpu_pipeline {
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WGPUComputePipeline compute;
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};
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struct gpu_stream {
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WGPUCommandEncoder commands;
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union {
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WGPURenderPassEncoder render;
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WGPUComputePassEncoder compute;
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};
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};
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size_t gpu_sizeof_buffer(void) { return sizeof(gpu_buffer); }
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size_t gpu_sizeof_texture(void) { return sizeof(gpu_texture); }
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size_t gpu_sizeof_sampler(void) { return sizeof(gpu_sampler); }
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size_t gpu_sizeof_layout(void) { return sizeof(gpu_layout); }
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size_t gpu_sizeof_shader(void) { return sizeof(gpu_shader); }
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size_t gpu_sizeof_pipeline(void) { return sizeof(gpu_pipeline); }
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// State
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@ -486,6 +495,168 @@ void gpu_pipeline_destroy(gpu_pipeline* pipeline) {
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if (pipeline->compute) wgpuComputePipelineRelease(pipeline->compute);
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}
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// Tally
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// Stream
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void gpu_compute_begin(gpu_stream* stream) {
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stream->compute = wgpuCommandEncoderBeginComputePass(stream->commands, NULL);
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}
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void gpu_compute_end(gpu_stream* stream) {
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wgpuComputePassEncoderEnd(stream->compute);
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}
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void gpu_set_viewport(gpu_stream* stream, float view[4], float depth[2]) {
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wgpuRenderPassEncoderSetViewport(stream->render, view[0], view[1], view[2], view[3], depth[0], depth[1]);
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}
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void gpu_set_scissor(gpu_stream* stream, uint32_t scissor[4]) {
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wgpuRenderPassEncoderSetScissorRect(stream->render, scissor[0], scissor[1], scissor[2], scissor[3]);
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}
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void gpu_push_constants(gpu_stream* stream, gpu_shader* shader, void* data, uint32_t size) {
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// Unsupported
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}
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void gpu_bind_pipeline(gpu_stream* stream, gpu_pipeline* pipeline, bool compute) {
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if (compute) {
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wgpuComputePassEncoderSetPipeline(stream->compute, pipeline->compute);
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} else {
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wgpuRenderPassEncoderSetPipeline(stream->render, pipeline->render);
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}
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}
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void gpu_bind_vertex_buffers(gpu_stream* stream, gpu_buffer** buffers, uint32_t* offsets, uint32_t first, uint32_t count) {
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for (uint32_t i = 0; i < count; i++) {
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uint64_t size = wgpuBufferGetSize(buffers[i]->handle) - offsets[i];
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wgpuRenderPassEncoderSetVertexBuffer(stream->render, first + i, buffers[i]->handle, offsets[i], size);
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}
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}
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void gpu_bind_index_buffer(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset, gpu_index_type type) {
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WGPUIndexFormat indexTypes[] = {
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[GPU_INDEX_U16] = WGPUIndexFormat_Uint16,
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[GPU_INDEX_U32] = WGPUIndexFormat_Uint32
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};
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uint64_t size = wgpuBufferGetSize(buffer->handle) - offset;
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wgpuRenderPassEncoderSetIndexBuffer(stream->render, buffer->handle, indexTypes[type], offset, size);
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}
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void gpu_draw(gpu_stream* stream, uint32_t vertexCount, uint32_t instanceCount, uint32_t firstVertex, uint32_t baseInstance) {
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wgpuRenderPassEncoderDraw(stream->render, vertexCount, instanceCount, firstVertex, baseInstance);
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}
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void gpu_draw_indexed(gpu_stream* stream, uint32_t indexCount, uint32_t instanceCount, uint32_t firstIndex, uint32_t baseVertex, uint32_t baseInstance) {
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wgpuRenderPassEncoderDrawIndexed(stream->render, indexCount, instanceCount, firstIndex, baseVertex, baseInstance);
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}
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void gpu_draw_indirect(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset, uint32_t drawCount, uint32_t stride) {
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stride = stride ? stride : 16;
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for (uint32_t i = 0; i < drawCount; i++) {
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wgpuRenderPassEncoderDrawIndirect(stream->render, buffer->handle, offset + stride * i);
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}
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}
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void gpu_draw_indirect_indexed(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset, uint32_t drawCount, uint32_t stride) {
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stride = stride ? stride : 20;
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for (uint32_t i = 0; i < drawCount; i++) {
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wgpuRenderPassEncoderDrawIndexedIndirect(stream->render, buffer->handle, offset + stride * i);
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}
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}
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void gpu_compute(gpu_stream* stream, uint32_t x, uint32_t y, uint32_t z) {
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wgpuComputePassEncoderDispatchWorkgroups(stream->compute, x, y, z);
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}
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void gpu_compute_indirect(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset) {
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wgpuComputePassEncoderDispatchWorkgroupsIndirect(stream->compute, buffer->handle, offset);
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}
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void gpu_copy_buffers(gpu_stream* stream, gpu_buffer* src, gpu_buffer* dst, uint32_t srcOffset, uint32_t dstOffset, uint32_t extent) {
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wgpuCommandEncoderCopyBufferToBuffer(stream->commands, src->handle, srcOffset, dst->handle, dstOffset, extent);
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}
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void gpu_copy_textures(gpu_stream* stream, gpu_texture* src, gpu_texture* dst, uint32_t srcOffset[4], uint32_t dstOffset[4], uint32_t extent[3]) {
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WGPUImageCopyTexture srcRegion = {
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.texture = src->handle,
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.mipLevel = srcOffset[3],
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.origin = { srcOffset[0], srcOffset[1], srcOffset[2] }
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};
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WGPUImageCopyTexture dstRegion = {
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.texture = dst->handle,
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.mipLevel = dstOffset[3],
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.origin = { dstOffset[0], dstOffset[1], dstOffset[2] }
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};
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WGPUExtent3D size = { extent[0], extent[1], extent[2] };
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wgpuCommandEncoderCopyTextureToTexture(stream->commands, &srcRegion, &dstRegion, &size);
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}
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void gpu_copy_buffer_texture(gpu_stream* stream, gpu_buffer* src, gpu_texture* dst, uint32_t srcOffset, uint32_t dstOffset[4], uint32_t extent[3]) {
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WGPUImageCopyBuffer srcRegion = {
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.layout.offset = srcOffset,
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.layout.bytesPerRow = 0, // FIXME
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.layout.rowsPerImage = 0, // FIXME
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.buffer = src->handle
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};
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WGPUImageCopyTexture dstRegion = {
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.texture = dst->handle,
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.mipLevel = dstOffset[3],
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.origin = { dstOffset[0], dstOffset[1], dstOffset[2] }
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};
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WGPUExtent3D size = { extent[0], extent[1], extent[2] };
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wgpuCommandEncoderCopyBufferToTexture(stream->commands, &srcRegion, &dstRegion, &size);
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}
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void gpu_copy_texture_buffer(gpu_stream* stream, gpu_texture* src, gpu_buffer* dst, uint32_t srcOffset[4], uint32_t dstOffset, uint32_t extent[3]) {
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WGPUImageCopyTexture srcRegion = {
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.texture = src->handle,
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.mipLevel = srcOffset[3],
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.origin = { srcOffset[0], srcOffset[1], srcOffset[2] }
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};
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WGPUImageCopyBuffer dstRegion = {
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.layout.offset = dstOffset,
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.layout.bytesPerRow = 0, // FIXME
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.layout.rowsPerImage = 0, // FIXME
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.buffer = dst->handle
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};
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WGPUExtent3D size = { extent[0], extent[1], extent[2] };
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wgpuCommandEncoderCopyTextureToBuffer(stream->commands, &srcRegion, &dstRegion, &size);
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}
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void gpu_copy_tally_buffer(gpu_stream* stream, gpu_tally* src, gpu_buffer* dst, uint32_t srcIndex, uint32_t dstOffset, uint32_t count, uint32_t stride) {
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// TODO
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}
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void gpu_clear_buffer(gpu_stream* stream, gpu_buffer* buffer, uint32_t offset, uint32_t size) {
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wgpuCommandEncoderClearBuffer(stream->commands, buffer->handle, offset, size);
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}
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void gpu_clear_texture(gpu_stream* stream, gpu_texture* texture, float value[4], uint32_t layer, uint32_t layerCount, uint32_t level, uint32_t levelCount) {
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// TODO Unsupported
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}
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void gpu_clear_tally(gpu_stream* stream, gpu_tally* tally, uint32_t index, uint32_t count) {
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// TODO
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}
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void gpu_blit(gpu_stream* stream, gpu_texture* src, gpu_texture* dst, uint32_t srcOffset[4], uint32_t dstOffset[4], uint32_t srcExtent[3], uint32_t dstExtent[3], gpu_filter filter) {
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// TODO Unsupported
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}
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void gpu_sync(gpu_stream* stream, gpu_barrier* barriers, uint32_t count) {
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//
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}
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// Entry
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bool gpu_init(gpu_config* config) {
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