Files
Pulse/Sources/Backends/WebGPU/WebGPUComputePipeline.c

82 lines
3.2 KiB
C

// Copyright (C) 2025 kanel
// This file is part of "Pulse"
// For conditions of distribution and use, see copyright notice in LICENSE
#include <Pulse.h>
#include "../../PulseInternal.h"
#include "WebGPU.h"
#include "WebGPUDevice.h"
#include "WebGPUComputePipeline.h"
PulseComputePipeline WebGPUCreateComputePipeline(PulseDevice device, const PulseComputePipelineCreateInfo* info)
{
WebGPUDevice* webgpu_device = WEBGPU_RETRIEVE_DRIVER_DATA_AS(device, WebGPUDevice*);
PulseComputePipelineHandler* pipeline = (PulseComputePipelineHandler*)calloc(1, sizeof(PulseComputePipelineHandler));
PULSE_CHECK_ALLOCATION_RETVAL(pipeline, PULSE_NULL_HANDLE);
WebGPUComputePipeline* webgpu_pipeline = (WebGPUComputePipeline*)calloc(1, sizeof(WebGPUComputePipeline));
PULSE_CHECK_ALLOCATION_RETVAL(webgpu_pipeline, PULSE_NULL_HANDLE);
pipeline->driver_data = webgpu_pipeline;
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(device->backend))
{
if(info->code == PULSE_NULLPTR)
PulseLogError(device->backend, "invalid code pointer passed to PulseComputePipelineCreateInfo");
if(info->entrypoint == PULSE_NULLPTR)
PulseLogError(device->backend, "invalid entrypoint pointer passed to PulseComputePipelineCreateInfo");
if(info->format == PULSE_SHADER_FORMAT_WGSL_BIT && (device->backend->supported_shader_formats & PULSE_SHADER_FORMAT_WGSL_BIT) == 0)
PulseLogError(device->backend, "invalid shader format passed to PulseComputePipelineCreateInfo");
}
WGPUStringView code = { 0 };
code.length = info->code_size;
code.data = (const char*)info->code;
WGPUChainedStruct chain = { 0 };
chain.next = PULSE_NULLPTR;
chain.sType = WGPUSType_ShaderSourceWGSL;
WGPUShaderSourceWGSL source = { 0 };
source.chain = chain;
source.code = code;
WGPUShaderModuleDescriptor shader_descriptor = { 0 };
shader_descriptor.nextInChain = (const WGPUChainedStruct*)&source;
webgpu_pipeline->shader = wgpuDeviceCreateShaderModule(webgpu_device->device, &shader_descriptor);
WGPUStringView entrypoint = { 0 };
entrypoint.length = WGPU_STRLEN;
entrypoint.data = info->entrypoint;
WGPUProgrammableStageDescriptor state = { 0 };
state.module = webgpu_pipeline->shader;
state.entryPoint = entrypoint;
WGPUComputePipelineDescriptor pipeline_descriptor = { 0 };
pipeline_descriptor.compute = state;
webgpu_pipeline->pipeline = wgpuDeviceCreateComputePipeline(webgpu_device->device, &pipeline_descriptor);
if(PULSE_IS_BACKEND_HIGH_LEVEL_DEBUG(device->backend))
PulseLogInfoFmt(device->backend, "(WebGPU) created new compute pipeline %p", pipeline);
return pipeline;
}
void WebGPUDestroyComputePipeline(PulseDevice device, PulseComputePipeline pipeline)
{
if(pipeline == PULSE_NULL_HANDLE)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(device->backend))
PulseLogWarning(device->backend, "compute pipeline is NULL, this may be a bug in your application");
return;
}
PULSE_UNUSED(device);
WebGPUComputePipeline* webgpu_pipeline = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pipeline, WebGPUComputePipeline*);
wgpuComputePipelineRelease(webgpu_pipeline->pipeline);
wgpuShaderModuleRelease(webgpu_pipeline->shader);
free(webgpu_pipeline);
if(PULSE_IS_BACKEND_HIGH_LEVEL_DEBUG(device->backend))
PulseLogInfoFmt(device->backend, "(WebGPU) destroyed compute pipeline %p", pipeline);
free(pipeline);
}