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[Vulkan] Merge texture and sampler descriptors into a single descriptor set

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Put all descriptors used by translated shaders in up to 4 descriptor sets, which is the minimum required, and the most common on Android, `maxBoundDescriptorSets` device limit value
This commit is contained in:
Triang3l
2022-07-09 17:10:28 +03:00
parent ff35a4b3a1
commit b3edc56576
9 changed files with 782 additions and 553 deletions
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8
src/xenia/gpu/spirv_shader_translator_fetch.cc
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@@ -2573,10 +2573,10 @@ size_t SpirvShaderTranslator::FindOrAddSamplerBinding(
builder_->makeSamplerType(), name.str().c_str());
builder_->addDecoration(
new_sampler_binding.variable, spv::DecorationDescriptorSet,
int(is_vertex_shader() ? kDescriptorSetSamplersVertex
: kDescriptorSetSamplersPixel));
builder_->addDecoration(new_sampler_binding.variable, spv::DecorationBinding,
int(new_sampler_binding_index));
int(is_vertex_shader() ? kDescriptorSetTexturesVertex
: kDescriptorSetTexturesPixel));
// The binding indices will be specified later after all textures are added as
// samplers are located after images in the descriptor set.
if (features_.spirv_version >= spv::Spv_1_4) {
main_interface_.push_back(new_sampler_binding.variable);
}