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@ -7,15 +7,12 @@
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namespace Shader::Backend::SPIRV {
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namespace Shader::Backend::SPIRV {
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namespace {
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namespace {
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Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
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Id Image(EmitContext& ctx, IR::TextureInstInfo info) {
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if (!index.IsImmediate()) {
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throw NotImplementedException("Indirect image indexing");
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}
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if (info.type == TextureType::Buffer) {
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if (info.type == TextureType::Buffer) {
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const ImageBufferDefinition def{ctx.image_buffers.at(index.U32())};
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const ImageBufferDefinition def{ctx.image_buffers.at(info.descriptor_index)};
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return def.id;
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return def.id;
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} else {
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} else {
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const ImageDefinition def{ctx.images.at(index.U32())};
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const ImageDefinition def{ctx.images.at(info.descriptor_index)};
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return def.id;
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return def.id;
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}
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}
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}
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}
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@ -28,8 +25,12 @@ std::pair<Id, Id> AtomicArgs(EmitContext& ctx) {
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Id ImageAtomicU32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id value,
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Id ImageAtomicU32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id value,
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Id (Sirit::Module::*atomic_func)(Id, Id, Id, Id, Id)) {
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Id (Sirit::Module::*atomic_func)(Id, Id, Id, Id, Id)) {
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if (!index.IsImmediate() || index.U32() != 0) {
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// TODO: handle layers
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throw NotImplementedException("Image indexing");
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}
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const Id image{Image(ctx, index, info)};
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const Id image{Image(ctx, info)};
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const Id pointer{ctx.OpImageTexelPointer(ctx.image_u32, image, coords, ctx.Const(0U))};
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const Id pointer{ctx.OpImageTexelPointer(ctx.image_u32, image, coords, ctx.Const(0U))};
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const auto [scope, semantics]{AtomicArgs(ctx)};
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const auto [scope, semantics]{AtomicArgs(ctx)};
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return (ctx.*atomic_func)(ctx.U32[1], pointer, scope, semantics, value);
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return (ctx.*atomic_func)(ctx.U32[1], pointer, scope, semantics, value);
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