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[shader_recompiler] Implement indirect image/texture array indexing (#3608)

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Fixes missing textures in Luigi's Mansion 3 (Invisible Mice lol) and potentially other titles
by implementing OpAccessChain indexing into descriptor arrays instead of throwing NotImplementedException.

Co-authored-by: JPikachu <fakemail@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3608
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: JPikachu <jpikachu@eden-emu.dev>
Co-committed-by: JPikachu <jpikachu@eden-emu.dev>
This commit is contained in:
JPikachu 2026-02-23 21:50:59 +01:00 • committed by crueter
parent 213f7b810d
commit f77c91431f
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GPG key ID: 425ACD2D4830EBC6
3 changed files with 20 additions and 14 deletions
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8
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -1331,9 +1331,6 @@ void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
image_buffers.reserve(info.image_buffer_descriptors.size());
for (const ImageBufferDescriptor& desc : info.image_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of image buffers");
}
const spv::ImageFormat format{GetImageFormat(desc.format)};
const Id sampled_type{desc.is_integer ? U32[1] : F32[1]};
const Id image_type{
@ -1346,6 +1343,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
image_buffers.push_back({
.id = id,
.image_type = image_type,
.pointer_type = pointer_type,
.count = desc.count,
.is_integer = desc.is_integer,
});
@ -1389,9 +1387,6 @@ void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_in
void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_index) {
images.reserve(info.image_descriptors.size());
for (const ImageDescriptor& desc : info.image_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Array of images");
}
const Id sampled_type{desc.is_integer ? U32[1] : F32[1]};
const Id image_type{ImageType(*this, desc, sampled_type)};
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
@ -1402,6 +1397,7 @@ void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_inde
images.push_back({
.id = id,
.image_type = image_type,
.pointer_type = pointer_type,
.count = desc.count,
.is_integer = desc.is_integer,
});