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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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19
Sources/Backends/WebGPU/WebGPUBuffer.c
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@@ -9,8 +9,8 @@
#include "../../PulseInternal.h"
#include "WebGPU.h"
#include "WebGPUDevice.h"
#include "webgpu.h"
#include "WebGPUBuffer.h"
#include "WebGPUCommandList.h"
PulseBuffer WebGPUCreateBuffer(PulseDevice device, const PulseBufferCreateInfo* create_infos)
{
@@ -58,13 +58,10 @@ PulseBuffer WebGPUCreateBuffer(PulseDevice device, const PulseBufferCreateInfo*
return buffer;
}
#include <stdio.h>
static void WebGPUMapBufferCallback(WGPUMapAsyncStatus status, WGPUStringView message, void* userdata1, void* userdata2)
{
atomic_int* mapping_finished = (atomic_int*)userdata1;
PulseBuffer buffer = (PulseBuffer)userdata2;
puts("test");
if(status == WGPUMapAsyncStatus_Success)
atomic_store(mapping_finished, 1);
else
@@ -90,10 +87,7 @@ bool WebGPUMapBuffer(PulseBuffer buffer, PulseMapMode mode, void** data)
// https://toji.dev/webgpu-best-practices/buffer-uploads.html
if(mode == PULSE_MAP_WRITE)
{
if(webgpu_buffer->map == PULSE_NULLPTR)
webgpu_buffer->map = malloc(buffer->size);
else
webgpu_buffer->map = realloc(webgpu_buffer->map, buffer->size);
webgpu_buffer->map = malloc(buffer->size);
PULSE_CHECK_ALLOCATION_RETVAL(webgpu_buffer->map, false);
}
else
@@ -115,6 +109,7 @@ bool WebGPUMapBuffer(PulseBuffer buffer, PulseMapMode mode, void** data)
while(atomic_load(&mapping_finished) == 0)
{
WebGPUDeviceTick(buffer->device);
clock_t elapsed = clock() - start;
if(elapsed > timeout)
{
@@ -141,7 +136,10 @@ void WebGPUUnmapBuffer(PulseBuffer buffer)
WebGPUDevice* webgpu_device = WEBGPU_RETRIEVE_DRIVER_DATA_AS(buffer->device, WebGPUDevice*);
WebGPUBuffer* webgpu_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(buffer, WebGPUBuffer*);
if(webgpu_buffer->current_map_mode == PULSE_MAP_WRITE)
{
wgpuQueueWriteBuffer(webgpu_device->queue, webgpu_buffer->buffer, 0, webgpu_buffer->map, buffer->size);
free(webgpu_buffer->map);
}
else
wgpuBufferUnmap(webgpu_buffer->buffer);
webgpu_buffer->map = PULSE_NULLPTR;
@@ -149,6 +147,11 @@ void WebGPUUnmapBuffer(PulseBuffer buffer)
bool WebGPUCopyBufferToBuffer(PulseCommandList cmd, const PulseBufferRegion* src, const PulseBufferRegion* dst)
{
WebGPUBuffer* webgpu_src_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(src->buffer, WebGPUBuffer*);
WebGPUBuffer* webgpu_dst_buffer = WEBGPU_RETRIEVE_DRIVER_DATA_AS(dst->buffer, WebGPUBuffer*);
WebGPUCommandList* webgpu_cmd = WEBGPU_RETRIEVE_DRIVER_DATA_AS(cmd, WebGPUCommandList*);
wgpuCommandEncoderCopyBufferToBuffer(webgpu_cmd->encoder, webgpu_src_buffer->buffer, src->offset, webgpu_dst_buffer->buffer, dst->offset, (src->size < dst->size ? src->size : dst->size));
return true;
}
bool WebGPUCopyBufferToImage(PulseCommandList cmd, const PulseBufferRegion* src, const PulseImageRegion* dst)