support dynamic uniform buffers on vulkan

This commit is contained in:
Gregory Wells
2025-07-23 11:37:12 -04:00
parent 9c03d38f51
commit 0da1a8a4f6
14 changed files with 22 additions and 13 deletions

View File

@@ -69,12 +69,12 @@ void drawIndexed(gnCommandBufferHandle buffer, gnIndexType type, int indexCount,
buffer->commandBuffer->changedBuffer = gnFalse;
}
void bindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set) {
void bindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set, uint32_t dynamicOffsetCount, uint32_t* dynamicOffsets) {
vkCmdBindDescriptorSets(
buffer->commandBuffer->buffer,
VK_PIPELINE_BIND_POINT_GRAPHICS,
buffer->commandBuffer->boundGraphicsPipeline->graphicsPipeline->pipelineLayout, set, 1,
&uniform->uniform->set, 0, NULL
&uniform->uniform->set, dynamicOffsetCount, dynamicOffsets
);
}

View File

@@ -17,5 +17,5 @@ void setScissor(gnCommandBuffer buffer, gnScissor scissor);
void bindBuffer(gnCommandBufferHandle buffer, gnBufferHandle bufferToBind, gnBufferType type);
void draw(gnCommandBuffer buffer, int vertexCount, int firstVertex, int instanceCount, int firstInstance);
void drawIndexed(gnCommandBufferHandle buffer, gnIndexType type, int indexCount, int firstIndex, int vertexOffset, int instanceCount, int firstInstance);
void bindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set);
void bindUniform(gnCommandBufferHandle buffer, gnUniform uniform, uint32_t set, uint32_t dynamicOffsetCount, uint32_t* dynamicOffsets);
void pushConstant(gnCommandBufferHandle buffer, gnPushConstantLayout layout, void* data);

View File

@@ -13,7 +13,7 @@ void updateBufferUniform(gnUniform uniform, gnBufferUniformInfo* info) {
VkWriteDescriptorSet write = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorType = (info->dynamic) ? VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC : VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.pBufferInfo = &bufferInfo,
.dstSet = uniform->uniform->set,

View File

@@ -4,6 +4,7 @@
VkDescriptorType vkGryphnUniformType(gnUniformType type) {
switch(type) {
case GN_UNIFORM_BUFFER_DESCRIPTOR: return VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
case GN_DYNAMIC_UNIFORM_BUFFER_DESCRIPTOR: return VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
case GN_SHADER_STORE_BUFFER_DESCRIPTOR: return VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
case GN_COMBINED_IMAGE_SAMPLER_DESCRIPTOR: return VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
case GN_UNIFORM_TYPE_MAX: return VK_DESCRIPTOR_TYPE_MAX_ENUM;