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add support for storage buffers in vulkan

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This commit is contained in:
Greg Wells
2025-07-03 13:30:47 -04:00
parent d9937c2833
commit 665ce6847a
15 changed files with 83 additions and 13 deletions
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17
projects/apis/vulkan/src/buffers/vulkan_buffer.c
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@@ -11,6 +11,7 @@ VkBufferUsageFlags vkGryphnBufferType(gnBufferType type) {
case GN_VERTEX_BUFFER: usageFlags |= VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; break;
case GN_INDEX_BUFFER: usageFlags |= VK_BUFFER_USAGE_INDEX_BUFFER_BIT; break;
case GN_UNIFORM_BUFFER: usageFlags |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; break;
case GN_STORAGE_BUFFER: usageFlags |= VK_BUFFER_USAGE_STORAGE_BUFFER_BIT; break;
}
return usageFlags;
}
@@ -114,6 +115,22 @@ void bufferData(gnBufferHandle buffer, size_t dataSize, void* data) {
vkUnmapMemory(buffer->device->outputDevice->device, buffer->buffer->buffer.memory);
}
}
void vulkanBufferSubData(gnBufferHandle buffer, size_t offset, size_t dataSize, void* data) {
void* bufferData;
if (buffer->buffer->useStagingBuffer) {
vkMapMemory(buffer->device->outputDevice->device, buffer->buffer->stagingBuffer.memory, 0, dataSize, 0, &bufferData);
memcpy(bufferData + offset, data, dataSize);
vkUnmapMemory(buffer->device->outputDevice->device, buffer->buffer->stagingBuffer.memory);
VkCopyBuffer(
buffer->buffer->stagingBuffer.buffer, buffer->buffer->buffer.buffer, dataSize,
buffer->device->outputDevice->transferCommandPool, buffer->device->outputDevice->device,
buffer->device->outputDevice->transferQueue);
} else {
vkMapMemory(buffer->device->outputDevice->device, buffer->buffer->buffer.memory, 0, dataSize, 0, &bufferData);
memcpy(bufferData + offset, data, dataSize);
vkUnmapMemory(buffer->device->outputDevice->device, buffer->buffer->buffer.memory);
}
}
void* mapBuffer(gnBufferHandle buffer) {
void* data;
vkMapMemory(buffer->device->outputDevice->device, buffer->buffer->buffer.memory, 0, buffer->info.size, 0, &data);