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[vk, texture_cache, pipeline_cache] Refining handling of R32

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This commit is contained in:
CamilleLaVey 2025-11-15 23:06:47 -04:00
parent 674f552ff1
commit 7d8c5dad97
12 changed files with 64 additions and 32 deletions
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27
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -33,11 +33,17 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
const Id type{ctx.F32[1]};
const bool depth{desc.is_depth};
const bool ms{desc.is_multisample};
// Mobile GPUs lack Sampled1D SPIR-V capability - emulate 1D as 2D with array layer
const bool emulate_1d = ctx.profile.needs_1d_texture_emulation;
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
return emulate_1d ? ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, false, 1, format)
: ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
case TextureType::ColorArray1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
return emulate_1d ? ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, false, 1, format)
: ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
case TextureType::Color2D:
case TextureType::Color2DRect:
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, ms, 1, format);
@ -79,11 +85,15 @@ spv::ImageFormat GetImageFormat(ImageFormat format) {
Id ImageType(EmitContext& ctx, const ImageDescriptor& desc, Id sampled_type) {
const spv::ImageFormat format{GetImageFormat(desc.format)};
const bool emulate_1d = ctx.profile.needs_1d_texture_emulation;
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(sampled_type, spv::Dim::Dim1D, false, false, false, 2, format);
return emulate_1d ? ctx.TypeImage(sampled_type, spv::Dim::Dim2D, false, false, false, 2, format)
: ctx.TypeImage(sampled_type, spv::Dim::Dim1D, false, false, false, 2, format);
case TextureType::ColorArray1D:
return ctx.TypeImage(sampled_type, spv::Dim::Dim1D, false, true, false, 2, format);
return emulate_1d ? ctx.TypeImage(sampled_type, spv::Dim::Dim2D, false, true, false, 2, format)
: ctx.TypeImage(sampled_type, spv::Dim::Dim1D, false, true, false, 2, format);
case TextureType::Color2D:
return ctx.TypeImage(sampled_type, spv::Dim::Dim2D, false, false, false, 2, format);
case TextureType::ColorArray2D:
@ -1605,6 +1615,15 @@ void EmitContext::DefineInputs(const IR::Program& program) {
subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR);
subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR);
subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR);
// Vulkan spec: Fragment shader Input variables with integer/float type must have Flat decoration
if (stage == Stage::Fragment) {
Decorate(subgroup_mask_eq, spv::Decoration::Flat);
Decorate(subgroup_mask_lt, spv::Decoration::Flat);
Decorate(subgroup_mask_le, spv::Decoration::Flat);
Decorate(subgroup_mask_gt, spv::Decoration::Flat);
Decorate(subgroup_mask_ge, spv::Decoration::Flat);
}
}
if (info.uses_fswzadd || info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles ||
(profile.warp_size_potentially_larger_than_guest &&