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dummy uniform buffers

pull/8/head
cosmonaut 2020-12-28 14:07:13 -08:00
parent a92a03a69a
commit 0a7eb1fb2e
1 changed files with 65 additions and 20 deletions
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85
src/Refresh_Driver_Vulkan.c
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@ -1031,6 +1031,8 @@ typedef struct VulkanRenderer
VkDescriptorSetLayout vertexParamLayout;
VkDescriptorSetLayout fragmentParamLayout;
VulkanBuffer *dummyVertexUniformBuffer;
VulkanBuffer *dummyFragmentUniformBuffer;
VulkanBuffer *textureStagingBuffer;
@ -3528,13 +3530,31 @@ static REFRESH_GraphicsPipeline* VULKAN_CreateGraphicsPipeline(
&graphicsPipeline->fragmentUBODescriptorSet
);
vertexUniformBufferInfo.buffer = renderer->vertexUBO->subBuffers[0]->buffer;
vertexUniformBufferInfo.offset = 0;
vertexUniformBufferInfo.range = graphicsPipeline->vertexUBOBlockSize;
if (graphicsPipeline->vertexUBOBlockSize == 0)
{
vertexUniformBufferInfo.buffer = renderer->dummyVertexUniformBuffer->subBuffers[0]->buffer;
vertexUniformBufferInfo.offset = 0;
vertexUniformBufferInfo.range = renderer->dummyVertexUniformBuffer->subBuffers[0]->size;
}
else
{
vertexUniformBufferInfo.buffer = renderer->vertexUBO->subBuffers[0]->buffer;
vertexUniformBufferInfo.offset = 0;
vertexUniformBufferInfo.range = graphicsPipeline->vertexUBOBlockSize;
}
fragmentUniformBufferInfo.buffer = renderer->fragmentUBO->subBuffers[0]->buffer;
fragmentUniformBufferInfo.offset = 0;
fragmentUniformBufferInfo.range = graphicsPipeline->fragmentUBOBlockSize;
if (graphicsPipeline->fragmentUBOBlockSize == 0)
{
fragmentUniformBufferInfo.buffer = renderer->dummyFragmentUniformBuffer->subBuffers[0]->buffer;
fragmentUniformBufferInfo.offset = 0;
fragmentUniformBufferInfo.range = renderer->dummyFragmentUniformBuffer->subBuffers[0]->size;
}
else
{
fragmentUniformBufferInfo.buffer = renderer->fragmentUBO->subBuffers[0]->buffer;
fragmentUniformBufferInfo.offset = 0;
fragmentUniformBufferInfo.range = graphicsPipeline->fragmentUBOBlockSize;
}
uboWriteDescriptorSets[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
uboWriteDescriptorSets[0].pNext = NULL;
@ -6667,8 +6687,7 @@ static REFRESH_Device* VULKAN_CreateDevice(
/* Variables: UBO Creation */
VkDescriptorPoolCreateInfo defaultDescriptorPoolInfo;
VkDescriptorPoolSize poolSizes[2];
VkDescriptorSetAllocateInfo emptyVertexSamplerDescriptorAllocateInfo;
VkDescriptorSetAllocateInfo emptyFragmentSamplerDescriptorAllocateInfo;
VkDescriptorSetAllocateInfo descriptorAllocateInfo;
result = (REFRESH_Device*) SDL_malloc(sizeof(REFRESH_Device));
ASSIGN_DRIVER(VULKAN)
@ -7076,27 +7095,23 @@ static REFRESH_Device* VULKAN_CreateDevice(
&renderer->defaultDescriptorPool
);
emptyVertexSamplerDescriptorAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
emptyVertexSamplerDescriptorAllocateInfo.pNext = NULL;
emptyVertexSamplerDescriptorAllocateInfo.descriptorPool = renderer->defaultDescriptorPool;
emptyVertexSamplerDescriptorAllocateInfo.descriptorSetCount = 1;
emptyVertexSamplerDescriptorAllocateInfo.pSetLayouts = &renderer->emptyVertexSamplerLayout;
descriptorAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
descriptorAllocateInfo.pNext = NULL;
descriptorAllocateInfo.descriptorPool = renderer->defaultDescriptorPool;
descriptorAllocateInfo.descriptorSetCount = 1;
descriptorAllocateInfo.pSetLayouts = &renderer->emptyVertexSamplerLayout;
renderer->vkAllocateDescriptorSets(
renderer->logicalDevice,
&emptyVertexSamplerDescriptorAllocateInfo,
&descriptorAllocateInfo,
&renderer->emptyVertexSamplerDescriptorSet
);
emptyFragmentSamplerDescriptorAllocateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
emptyFragmentSamplerDescriptorAllocateInfo.pNext = NULL;
emptyFragmentSamplerDescriptorAllocateInfo.descriptorPool = renderer->defaultDescriptorPool;
emptyFragmentSamplerDescriptorAllocateInfo.descriptorSetCount = 1;
emptyFragmentSamplerDescriptorAllocateInfo.pSetLayouts = &renderer->emptyFragmentSamplerLayout;
descriptorAllocateInfo.pSetLayouts = &renderer->emptyFragmentSamplerLayout;
renderer->vkAllocateDescriptorSets(
renderer->logicalDevice,
&emptyFragmentSamplerDescriptorAllocateInfo,
&descriptorAllocateInfo,
&renderer->emptyFragmentSamplerDescriptorSet
);
@ -7130,6 +7145,36 @@ static REFRESH_Device* VULKAN_CreateDevice(
return NULL;
}
/* Dummy Uniform Buffers */
renderer->dummyVertexUniformBuffer = (VulkanBuffer*) SDL_malloc(sizeof(VulkanBuffer));
if (!VULKAN_INTERNAL_CreateBuffer(
renderer,
16,
RESOURCE_ACCESS_VERTEX_SHADER_READ_UNIFORM_BUFFER,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
1,
renderer->dummyVertexUniformBuffer
)) {
REFRESH_LogError("Failed to create dummy vertex uniform buffer!");
return NULL;
}
renderer->dummyFragmentUniformBuffer = (VulkanBuffer*) SDL_malloc(sizeof(VulkanBuffer));
if (!VULKAN_INTERNAL_CreateBuffer(
renderer,
16,
RESOURCE_ACCESS_FRAGMENT_SHADER_READ_UNIFORM_BUFFER,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
1,
renderer->dummyFragmentUniformBuffer
)) {
REFRESH_LogError("Failed to create dummy fragment uniform buffer!");
return NULL;
}
/* Initialize caches */
for (i = 0; i < NUM_PIPELINE_LAYOUT_BUCKETS; i += 1)