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rsx: Reimplement vertex layout streaming

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- Remove string comparisons from the hot-path!
- Use attribute streaming and push constants to avoid forcing a descriptor block copy every other draw call/pass.
  While this isn't so bad on nvidia cards, it makes AMD cards a slideshow.
This commit is contained in:
kd-11 2019-06-18 16:38:50 +03:00 • committed by kd-11
parent 59ee74a275
commit 6a32f716db
7 changed files with 140 additions and 96 deletions
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37
rpcs3/Emu/RSX/VK/VKProgramPipeline.cpp
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@ -174,28 +174,33 @@ namespace vk
bind_buffer(buffer_descriptor, binding_point, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, descriptor_set);
}
void program::bind_uniform(const VkBufferView &buffer_view, uint32_t binding_point, VkDescriptorSet &descriptor_set)
{
const VkWriteDescriptorSet descriptor_writer =
{
VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, // sType
nullptr, // pNext
descriptor_set, // dstSet
binding_point, // dstBinding
0, // dstArrayElement
1, // descriptorCount
VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,// descriptorType
nullptr, // pImageInfo
nullptr, // pBufferInfo
&buffer_view // pTexelBufferView
};
vkUpdateDescriptorSets(m_device, 1, &descriptor_writer, 0, nullptr);
attribute_location_mask |= (1ull << binding_point);
}
void program::bind_uniform(const VkBufferView &buffer_view, program_input_type type, const std::string &binding_name, VkDescriptorSet &descriptor_set)
{
for (const auto &uniform : uniforms[type])
{
if (uniform.name == binding_name)
{
const VkWriteDescriptorSet descriptor_writer =
{
VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, // sType
nullptr, // pNext
descriptor_set, // dstSet
uniform.location, // dstBinding
0, // dstArrayElement
1, // descriptorCount
VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,// descriptorType
nullptr, // pImageInfo
nullptr, // pBufferInfo
&buffer_view // pTexelBufferView
};
vkUpdateDescriptorSets(m_device, 1, &descriptor_writer, 0, nullptr);
attribute_location_mask |= (1ull << uniform.location);
bind_uniform(buffer_view, uniform.location, descriptor_set);
return;
}
}