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247 lines
10 KiB
C
247 lines
10 KiB
C
// Copyright (C) 2025 kanel
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// This file is part of "Pulse"
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// For conditions of distribution and use, see copyright notice in LICENSE
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#include <string.h>
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#include <Pulse.h>
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#include "../../PulseInternal.h"
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#include "WebGPU.h"
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#include "WebGPUDevice.h"
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#include "WebGPUComputePass.h"
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#include "WebGPUComputePipeline.h"
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PulseComputePass WebGPUCreateComputePass(PulseDevice device, PulseCommandList cmd)
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{
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PULSE_UNUSED(device);
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PulseComputePass pass = (PulseComputePass)calloc(1, sizeof(PulseComputePassHandler));
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PULSE_CHECK_ALLOCATION_RETVAL(pass, PULSE_NULL_HANDLE);
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WebGPUComputePass* webgpu_pass = (WebGPUComputePass*)calloc(1, sizeof(WebGPUComputePass));
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PULSE_CHECK_ALLOCATION_RETVAL(webgpu_pass, PULSE_NULL_HANDLE);
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pass->cmd = cmd;
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pass->driver_data = webgpu_pass;
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return pass;
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}
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void WebGPUDestroyComputePass(PulseDevice device, PulseComputePass pass)
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{
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PULSE_UNUSED(device);
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free(pass->driver_data);
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free(pass);
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}
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PulseComputePass WebGPUBeginComputePass(PulseCommandList cmd)
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{
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WebGPUCommandList* webgpu_cmd = WEBGPU_RETRIEVE_DRIVER_DATA_AS(cmd, WebGPUCommandList*);
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(cmd->pass, WebGPUComputePass*);
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WGPUComputePassDescriptor descriptor = { 0 };
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webgpu_pass->encoder = wgpuCommandEncoderBeginComputePass(webgpu_cmd->encoder, &descriptor);
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return cmd->pass;
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}
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void WebGPUEndComputePass(PulseComputePass pass)
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{
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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wgpuComputePassEncoderEnd(webgpu_pass->encoder);
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wgpuComputePassEncoderRelease(webgpu_pass->encoder);
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wgpuBindGroupRelease(webgpu_pass->read_only_bind_group);
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wgpuBindGroupRelease(webgpu_pass->read_write_bind_group);
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wgpuBindGroupRelease(webgpu_pass->uniform_bind_group);
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webgpu_pass->read_only_bind_group = PULSE_NULLPTR;
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webgpu_pass->read_write_bind_group = PULSE_NULLPTR;
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webgpu_pass->uniform_bind_group = PULSE_NULLPTR;
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}
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void WebGPUBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers)
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{
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PulseBufferUsageFlags usage = buffers[0]->usage;
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bool is_readwrite = (usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0;
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PulseBuffer* array = is_readwrite ? pass->readwrite_storage_buffers : pass->readonly_storage_buffers;
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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for(uint32_t i = 0; i < num_buffers; i++)
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{
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if(is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) == 0)
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{
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if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
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PulseLogError(pass->cmd->device->backend, "cannot bind a read only buffer with read-write buffers");
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PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
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return;
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}
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else if(!is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0)
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{
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if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
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PulseLogError(pass->cmd->device->backend, "cannot bind a read-write buffer with read only buffers");
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PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
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return;
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}
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if(array[i] == buffers[i])
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continue;
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array[i] = buffers[i];
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if(is_readwrite)
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webgpu_pass->should_recreate_write_bind_group = true;
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else
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webgpu_pass->should_recreate_read_only_bind_group = true;
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}
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}
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void WebGPUBindUniformData(PulseComputePass pass, uint32_t slot, const void* data, uint32_t data_size)
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{
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}
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void WebGPUBindStorageImages(PulseComputePass pass, const PulseImage* images, uint32_t num_images)
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{
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PulseImageUsageFlags usage = images[0]->usage;
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bool is_readwrite = (usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0;
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PulseImage* array = is_readwrite ? pass->readwrite_images : pass->readonly_images;
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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for(uint32_t i = 0; i < num_images; i++)
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{
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if(is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) == 0)
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{
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if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
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PulseLogError(pass->cmd->device->backend, "cannot bind a read only image with read-write images");
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PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
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return;
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}
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else if(!is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0)
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{
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if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
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PulseLogError(pass->cmd->device->backend, "cannot bind a read-write image with read only images");
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PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
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return;
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}
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if(array[i] == images[i])
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continue;
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array[i] = images[i];
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if((usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0)
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webgpu_pass->should_recreate_write_bind_group = true;
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else
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webgpu_pass->should_recreate_read_only_bind_group = true;
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}
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}
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static void WebGPUBindBindGroups(PulseComputePass pass)
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{
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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WebGPUDevice* webgpu_device = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->cmd->device, WebGPUDevice*);
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WebGPUComputePipeline* webgpu_pipeline = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->current_pipeline, WebGPUComputePipeline*);
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if(!webgpu_pass->should_recreate_read_only_bind_group && !webgpu_pass->should_recreate_write_bind_group && !webgpu_pass->should_recreate_uniform_bind_group)
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return;
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WGPUBindGroupEntry* read_only_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_readonly_storage_images + pass->current_pipeline->num_readonly_storage_buffers, sizeof(WGPUBindGroupEntry));
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PULSE_CHECK_ALLOCATION(read_only_entries);
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WGPUBindGroupEntry* read_write_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_readwrite_storage_images + pass->current_pipeline->num_readwrite_storage_buffers, sizeof(WGPUBindGroupEntry));
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PULSE_CHECK_ALLOCATION(read_write_entries);
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WGPUBindGroupEntry* uniform_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_uniform_buffers, sizeof(WGPUBindGroupEntry));
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PULSE_CHECK_ALLOCATION(uniform_entries);
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if(webgpu_pass->should_recreate_read_only_bind_group && webgpu_pipeline->readonly_group != PULSE_NULLPTR)
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{
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uint32_t entry_index = 0;
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for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_images; i++, entry_index++)
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{
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WGPUBindGroupEntry* entry = &read_only_entries[entry_index];
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memset(entry, 0, sizeof(WGPUBindGroupEntry));
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entry->binding = i;
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}
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for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_buffers; i++, entry_index++)
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{
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WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->readonly_storage_buffers[i], WebGPUBuffer*);
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WGPUBindGroupEntry* entry = &read_only_entries[entry_index];
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memset(entry, 0, sizeof(WGPUBindGroupEntry));
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entry->binding = pass->current_pipeline->num_readonly_storage_images + i;
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entry->buffer = webgpu_buffer->buffer;
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entry->size = pass->readonly_storage_buffers[i]->size;
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entry->offset = 0;
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}
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WGPUBindGroupDescriptor descriptor = { 0 };
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descriptor.layout = webgpu_pipeline->readonly_group;
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descriptor.entryCount = pass->current_pipeline->num_readonly_storage_images + pass->current_pipeline->num_readonly_storage_buffers;
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descriptor.entries = read_only_entries;
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webgpu_pass->read_only_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
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wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 0, webgpu_pass->read_only_bind_group, 0, PULSE_NULLPTR);
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}
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if(webgpu_pass->should_recreate_write_bind_group && webgpu_pipeline->readwrite_group != PULSE_NULLPTR)
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{
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uint32_t entry_index = 0;
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for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_images; i++, entry_index++)
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{
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WGPUBindGroupEntry* entry = &read_write_entries[entry_index];
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memset(entry, 0, sizeof(WGPUBindGroupEntry));
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entry->binding = i;
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}
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for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_buffers; i++, entry_index++)
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{
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WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->readwrite_storage_buffers[i], WebGPUBuffer*);
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WGPUBindGroupEntry* entry = &read_write_entries[entry_index];
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memset(entry, 0, sizeof(WGPUBindGroupEntry));
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entry->binding = pass->current_pipeline->num_readwrite_storage_images + i;
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entry->buffer = webgpu_buffer->buffer;
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entry->size = pass->readwrite_storage_buffers[i]->size;
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entry->offset = 0;
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}
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WGPUBindGroupDescriptor descriptor = { 0 };
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descriptor.layout = webgpu_pipeline->readwrite_group;
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descriptor.entryCount = pass->current_pipeline->num_readwrite_storage_images + pass->current_pipeline->num_readwrite_storage_buffers;
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descriptor.entries = read_write_entries;
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webgpu_pass->read_write_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
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wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 1, webgpu_pass->read_write_bind_group, 0, PULSE_NULLPTR);
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}
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if(webgpu_pass->should_recreate_uniform_bind_group && webgpu_pipeline->uniform_group != PULSE_NULLPTR)
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{
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for(uint32_t i = 0; i < pass->current_pipeline->num_uniform_buffers; i++)
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{
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WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->uniform_buffers[i], WebGPUBuffer*);
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WGPUBindGroupEntry* entry = &uniform_entries[i];
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memset(entry, 0, sizeof(WGPUBindGroupEntry));
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entry->binding = i;
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entry->buffer = webgpu_buffer->buffer;
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entry->size = pass->uniform_buffers[i]->size;
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entry->offset = 0;
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}
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WGPUBindGroupDescriptor descriptor = { 0 };
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descriptor.layout = webgpu_pipeline->uniform_group;
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descriptor.entryCount = pass->current_pipeline->num_uniform_buffers;
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descriptor.entries = uniform_entries;
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webgpu_pass->uniform_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
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wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 2, webgpu_pass->uniform_bind_group, 0, PULSE_NULLPTR);
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}
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}
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void WebGPUBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline)
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{
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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WebGPUComputePipeline* webgpu_pipeline = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pipeline, WebGPUComputePipeline*);
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wgpuComputePassEncoderSetPipeline(webgpu_pass->encoder, webgpu_pipeline->pipeline);
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webgpu_pass->should_recreate_read_only_bind_group = true;
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webgpu_pass->should_recreate_write_bind_group = true;
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webgpu_pass->should_recreate_uniform_bind_group = true;
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}
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void WebGPUDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z)
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{
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WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
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WebGPUBindBindGroups(pass);
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wgpuComputePassEncoderDispatchWorkgroups(webgpu_pass->encoder, groupcount_x, groupcount_y, groupcount_z);
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}
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