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[GPU] Change texture load cbuffer to push constants

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Simplify the code, eliminating the need for supporting requesting cbuffers
for anything other than guest draw command execution.
This commit is contained in:
Triang3l
2025-08-20 00:02:31 +03:00
parent 04d5c40d0d
commit 0b2ffa3148
134 changed files with 25280 additions and 25673 deletions
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69
src/xenia/gpu/vulkan/vulkan_command_processor.cc
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@@ -229,11 +229,11 @@ bool VulkanCommandProcessor::SetupContext() {
"constant buffers");
return false;
}
// Transient: uniform buffer for compute shaders.
// Transient: storage buffer for compute shaders.
VkDescriptorSetLayoutBinding descriptor_set_layout_binding_transient;
descriptor_set_layout_binding_transient.binding = 0;
descriptor_set_layout_binding_transient.descriptorType =
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
descriptor_set_layout_binding_transient.descriptorCount = 1;
descriptor_set_layout_binding_transient.stageFlags =
VK_SHADER_STAGE_COMPUTE_BIT;
@@ -241,21 +241,6 @@ bool VulkanCommandProcessor::SetupContext() {
descriptor_set_layout_create_info.bindingCount = 1;
descriptor_set_layout_create_info.pBindings =
&descriptor_set_layout_binding_transient;
if (dfn.vkCreateDescriptorSetLayout(
device, &descriptor_set_layout_create_info, nullptr,
&descriptor_set_layouts_single_transient_[size_t(
SingleTransientDescriptorLayout::kUniformBufferCompute)]) !=
VK_SUCCESS) {
XELOGE(
"Failed to create a Vulkan descriptor set layout for a uniform buffer "
"bound to the compute shader");
return false;
}
// Transient: storage buffer for compute shaders.
descriptor_set_layout_binding_transient.descriptorType =
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
descriptor_set_layout_binding_transient.stageFlags =
VK_SHADER_STAGE_COMPUTE_BIT;
if (dfn.vkCreateDescriptorSetLayout(
device, &descriptor_set_layout_create_info, nullptr,
&descriptor_set_layouts_single_transient_[size_t(
@@ -4373,56 +4358,6 @@ bool VulkanCommandProcessor::UpdateBindings(const VulkanShader* vertex_shader,
return true;
}
uint8_t* VulkanCommandProcessor::WriteTransientUniformBufferBinding(
size_t size, SingleTransientDescriptorLayout transient_descriptor_layout,
VkDescriptorBufferInfo& descriptor_buffer_info_out,
VkWriteDescriptorSet& write_descriptor_set_out) {
assert_true(frame_open_);
VkDescriptorSet descriptor_set =
AllocateSingleTransientDescriptor(transient_descriptor_layout);
if (descriptor_set == VK_NULL_HANDLE) {
return nullptr;
}
uint8_t* mapping = uniform_buffer_pool_->Request(
frame_current_, size,
size_t(GetVulkanDevice()->properties().minUniformBufferOffsetAlignment),
descriptor_buffer_info_out.buffer, descriptor_buffer_info_out.offset);
if (!mapping) {
return nullptr;
}
descriptor_buffer_info_out.range = VkDeviceSize(size);
write_descriptor_set_out.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
write_descriptor_set_out.pNext = nullptr;
write_descriptor_set_out.dstSet = descriptor_set;
write_descriptor_set_out.dstBinding = 0;
write_descriptor_set_out.dstArrayElement = 0;
write_descriptor_set_out.descriptorCount = 1;
write_descriptor_set_out.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
write_descriptor_set_out.pImageInfo = nullptr;
write_descriptor_set_out.pBufferInfo = &descriptor_buffer_info_out;
write_descriptor_set_out.pTexelBufferView = nullptr;
return mapping;
}
uint8_t* VulkanCommandProcessor::WriteTransientUniformBufferBinding(
size_t size, SingleTransientDescriptorLayout transient_descriptor_layout,
VkDescriptorSet& descriptor_set_out) {
VkDescriptorBufferInfo write_descriptor_buffer_info;
VkWriteDescriptorSet write_descriptor_set;
uint8_t* mapping = WriteTransientUniformBufferBinding(
size, transient_descriptor_layout, write_descriptor_buffer_info,
write_descriptor_set);
if (!mapping) {
return nullptr;
}
const ui::vulkan::VulkanDevice* const vulkan_device = GetVulkanDevice();
const ui::vulkan::VulkanDevice::Functions& dfn = vulkan_device->functions();
const VkDevice device = vulkan_device->device();
dfn.vkUpdateDescriptorSets(device, 1, &write_descriptor_set, 0, nullptr);
descriptor_set_out = write_descriptor_set.dstSet;
return mapping;
}
uint32_t VulkanCommandProcessor::WriteTransientTextureBindings(
bool is_vertex, uint32_t texture_count, uint32_t sampler_count,
VkDescriptorSetLayout descriptor_set_layout,