Add gpuFlushBuffer

src/gpu/gpu.h

@@ -354,6 +354,13 @@ typedef struct GpuBufferCreateRequest {
 	GpuBufferUsage usage;
 } GpuBufferCreateRequest;
 
+typedef struct GpuBufferFlushRequest {
+	GpuDevice *device;
+	GpuBuffer  buffer;
+	u64        offset;
+	u64        size;
+} GpuBufferFlushRequest;
+
 typedef struct GpuFence GpuFence;
 typedef GpuFence **GpuFencePtrArray;
 
@@ -1192,6 +1199,7 @@ GpuImage                      *gpuLoadImageFromFile(const WpAllocator *allocator
 ivec3s                         gpuGetImageSize(GpuImage *image);
 GpuBuffer                      gpuCreateBuffer(const WpAllocator *allocator, GpuBufferCreateRequest request);
 void                           gpuDestroyBuffer(GpuBuffer *buffer);
+void                           gpuFlushBuffer(GpuBufferFlushRequest request);
 GpuFence                      *gpuCreateFence(const WpAllocator *allocator, GpuDevice *device);
 void                           gpuDestroyFence(GpuFence *fence);
 void                           gpuResetFences(const WpAllocator *temp, GpuResetFencesRequest request);

src/gpu/vulkan/vk_gpu.c

@@ -1037,6 +1037,13 @@ void gpuDestroyBuffer(GpuBuffer *buffer) {
 	buffer->size               = 0;
 }
 
+void gpuFlushBuffer(GpuBufferFlushRequest request) {
+	u64 size = request.size > 0 ? request.size : VK_WHOLE_SIZE;
+	VkResult vk_result = vmaFlushAllocation(request.device->allocator, request.buffer.internal->allocation,
+	                                        request.offset, size);
+	assertWithLogger(vk_result == VK_SUCCESS, &logger, "Failed to flush buffer");
+}
+
 GpuFence *gpuCreateFence(const WpAllocator *allocator, GpuDevice *device) {
 	GpuFence *fence = wpMemAllocatorAlloc(allocator, sizeof(GpuFence));
 	assertWithLogger(fence != NULL, &logger, "Failed to allocate fence internal");