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adding storage buffer management to webgpu

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kbz_8
2025-03-02 18:15:54 +01:00
parent e0d77f76b5
commit 93a69d37e9
10 changed files with 391 additions and 27 deletions
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173
Sources/Backends/WebGPU/WebGPUComputePass.c
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@@ -2,6 +2,8 @@
// This file is part of "Pulse"
// For conditions of distribution and use, see copyright notice in LICENSE
#include <string.h>
#include <Pulse.h>
#include "../../PulseInternal.h"
#include "WebGPU.h"
@@ -45,10 +47,48 @@ void WebGPUEndComputePass(PulseComputePass pass)
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
wgpuComputePassEncoderEnd(webgpu_pass->encoder);
wgpuComputePassEncoderRelease(webgpu_pass->encoder);
wgpuBindGroupRelease(webgpu_pass->read_only_bind_group);
wgpuBindGroupRelease(webgpu_pass->read_write_bind_group);
wgpuBindGroupRelease(webgpu_pass->uniform_bind_group);
webgpu_pass->read_only_bind_group = PULSE_NULLPTR;
webgpu_pass->read_write_bind_group = PULSE_NULLPTR;
webgpu_pass->uniform_bind_group = PULSE_NULLPTR;
}
void WebGPUBindStorageBuffers(PulseComputePass pass, const PulseBuffer* buffers, uint32_t num_buffers)
{
PulseBufferUsageFlags usage = buffers[0]->usage;
bool is_readwrite = (usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0;
PulseBuffer* array = is_readwrite ? pass->readwrite_storage_buffers : pass->readonly_storage_buffers;
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
for(uint32_t i = 0; i < num_buffers; i++)
{
if(is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) == 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read only buffer with read-write buffers");
PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
return;
}
else if(!is_readwrite && (buffers[i]->usage & PULSE_BUFFER_USAGE_STORAGE_WRITE) != 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read-write buffer with read only buffers");
PulseSetInternalError(PULSE_ERROR_INVALID_BUFFER_USAGE);
return;
}
if(array[i] == buffers[i])
continue;
array[i] = buffers[i];
if(is_readwrite)
webgpu_pass->should_recreate_write_bind_group = true;
else
webgpu_pass->should_recreate_read_only_bind_group = true;
}
}
void WebGPUBindUniformData(PulseComputePass pass, uint32_t slot, const void* data, uint32_t data_size)
@@ -57,6 +97,134 @@ void WebGPUBindUniformData(PulseComputePass pass, uint32_t slot, const void* dat
void WebGPUBindStorageImages(PulseComputePass pass, const PulseImage* images, uint32_t num_images)
{
PulseImageUsageFlags usage = images[0]->usage;
bool is_readwrite = (usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0;
PulseImage* array = is_readwrite ? pass->readwrite_images : pass->readonly_images;
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
for(uint32_t i = 0; i < num_images; i++)
{
if(is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) == 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read only image with read-write images");
PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
return;
}
else if(!is_readwrite && (images[i]->usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0)
{
if(PULSE_IS_BACKEND_LOW_LEVEL_DEBUG(pass->cmd->device->backend))
PulseLogError(pass->cmd->device->backend, "cannot bind a read-write image with read only images");
PulseSetInternalError(PULSE_ERROR_INVALID_IMAGE_USAGE);
return;
}
if(array[i] == images[i])
continue;
array[i] = images[i];
if((usage & PULSE_IMAGE_USAGE_STORAGE_WRITE) != 0)
webgpu_pass->should_recreate_write_bind_group = true;
else
webgpu_pass->should_recreate_read_only_bind_group = true;
}
}
static void WebGPUBindBindGroups(PulseComputePass pass)
{
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
WebGPUDevice* webgpu_device = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->cmd->device, WebGPUDevice*);
WebGPUComputePipeline* webgpu_pipeline = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->current_pipeline, WebGPUComputePipeline*);
if(!webgpu_pass->should_recreate_read_only_bind_group && !webgpu_pass->should_recreate_write_bind_group && !webgpu_pass->should_recreate_uniform_bind_group)
return;
WGPUBindGroupEntry* read_only_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_readonly_storage_images + pass->current_pipeline->num_readonly_storage_buffers, sizeof(WGPUBindGroupEntry));
PULSE_CHECK_ALLOCATION(read_only_entries);
WGPUBindGroupEntry* read_write_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_readwrite_storage_images + pass->current_pipeline->num_readwrite_storage_buffers, sizeof(WGPUBindGroupEntry));
PULSE_CHECK_ALLOCATION(read_write_entries);
WGPUBindGroupEntry* uniform_entries = (WGPUBindGroupEntry*)calloc(pass->current_pipeline->num_uniform_buffers, sizeof(WGPUBindGroupEntry));
PULSE_CHECK_ALLOCATION(uniform_entries);
if(webgpu_pass->should_recreate_read_only_bind_group && webgpu_pipeline->readonly_group != PULSE_NULLPTR)
{
uint32_t entry_index = 0;
for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_images; i++, entry_index++)
{
WGPUBindGroupEntry* entry = &read_only_entries[entry_index];
memset(entry, 0, sizeof(WGPUBindGroupEntry));
entry->binding = i;
}
for(uint32_t i = 0; i < pass->current_pipeline->num_readonly_storage_buffers; i++, entry_index++)
{
WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->readonly_storage_buffers[i], WebGPUBuffer*);
WGPUBindGroupEntry* entry = &read_only_entries[entry_index];
memset(entry, 0, sizeof(WGPUBindGroupEntry));
entry->binding = pass->current_pipeline->num_readonly_storage_images + i;
entry->buffer = webgpu_buffer->buffer;
entry->size = pass->readonly_storage_buffers[i]->size;
entry->offset = 0;
}
WGPUBindGroupDescriptor descriptor = { 0 };
descriptor.layout = webgpu_pipeline->readonly_group;
descriptor.entryCount = pass->current_pipeline->num_readonly_storage_images + pass->current_pipeline->num_readonly_storage_buffers;
descriptor.entries = read_only_entries;
webgpu_pass->read_only_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 0, webgpu_pass->read_only_bind_group, 0, PULSE_NULLPTR);
}
if(webgpu_pass->should_recreate_write_bind_group && webgpu_pipeline->readwrite_group != PULSE_NULLPTR)
{
uint32_t entry_index = 0;
for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_images; i++, entry_index++)
{
WGPUBindGroupEntry* entry = &read_write_entries[entry_index];
memset(entry, 0, sizeof(WGPUBindGroupEntry));
entry->binding = i;
}
for(uint32_t i = 0; i < pass->current_pipeline->num_readwrite_storage_buffers; i++, entry_index++)
{
WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->readwrite_storage_buffers[i], WebGPUBuffer*);
WGPUBindGroupEntry* entry = &read_write_entries[entry_index];
memset(entry, 0, sizeof(WGPUBindGroupEntry));
entry->binding = pass->current_pipeline->num_readwrite_storage_images + i;
entry->buffer = webgpu_buffer->buffer;
entry->size = pass->readwrite_storage_buffers[i]->size;
entry->offset = 0;
}
WGPUBindGroupDescriptor descriptor = { 0 };
descriptor.layout = webgpu_pipeline->readwrite_group;
descriptor.entryCount = pass->current_pipeline->num_readwrite_storage_images + pass->current_pipeline->num_readwrite_storage_buffers;
descriptor.entries = read_write_entries;
webgpu_pass->read_write_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 1, webgpu_pass->read_write_bind_group, 0, PULSE_NULLPTR);
}
if(webgpu_pass->should_recreate_uniform_bind_group && webgpu_pipeline->uniform_group != PULSE_NULLPTR)
{
for(uint32_t i = 0; i < pass->current_pipeline->num_uniform_buffers; i++)
{
WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass->uniform_buffers[i], WebGPUBuffer*);
WGPUBindGroupEntry* entry = &uniform_entries[i];
memset(entry, 0, sizeof(WGPUBindGroupEntry));
entry->binding = i;
entry->buffer = webgpu_buffer->buffer;
entry->size = pass->uniform_buffers[i]->size;
entry->offset = 0;
}
WGPUBindGroupDescriptor descriptor = { 0 };
descriptor.layout = webgpu_pipeline->uniform_group;
descriptor.entryCount = pass->current_pipeline->num_uniform_buffers;
descriptor.entries = uniform_entries;
webgpu_pass->uniform_bind_group = wgpuDeviceCreateBindGroup(webgpu_device->device, &descriptor);
wgpuComputePassEncoderSetBindGroup(webgpu_pass->encoder, 2, webgpu_pass->uniform_bind_group, 0, PULSE_NULLPTR);
}
}
void WebGPUBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipeline)
@@ -64,10 +232,15 @@ void WebGPUBindComputePipeline(PulseComputePass pass, PulseComputePipeline pipel
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
WebGPUComputePipeline* webgpu_pipeline = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pipeline, WebGPUComputePipeline*);
wgpuComputePassEncoderSetPipeline(webgpu_pass->encoder, webgpu_pipeline->pipeline);
webgpu_pass->should_recreate_read_only_bind_group = true;
webgpu_pass->should_recreate_write_bind_group = true;
webgpu_pass->should_recreate_uniform_bind_group = true;
}
void WebGPUDispatchComputations(PulseComputePass pass, uint32_t groupcount_x, uint32_t groupcount_y, uint32_t groupcount_z)
{
WebGPUComputePass* webgpu_pass = WEBGPU_RETRIEVE_DRIVER_DATA_AS(pass, WebGPUComputePass*);
WebGPUBindBindGroups(pass);
wgpuComputePassEncoderDispatchWorkgroups(webgpu_pass->encoder, groupcount_x, groupcount_y, groupcount_z);
}