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-rw-r--r--src/shader_recompiler/backend/glasm/emit_context.cpp10
-rw-r--r--src/shader_recompiler/backend/glasm/emit_context.h2
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp3
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_image.cpp45
4 files changed, 56 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index 463930a18..8f418936e 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -82,6 +82,16 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
Add("OUTPUT out_attr{}[]={{result.attrib[{}..{}]}};", index, index, index);
}
}
+ image_buffer_bindings.reserve(program.info.image_buffer_descriptors.size());
+ for (const auto& desc : program.info.image_buffer_descriptors) {
+ image_buffer_bindings.push_back(bindings.image);
+ bindings.image += desc.count;
+ }
+ image_bindings.reserve(program.info.image_descriptors.size());
+ for (const auto& desc : program.info.image_descriptors) {
+ image_bindings.push_back(bindings.image);
+ bindings.image += desc.count;
+ }
texture_buffer_bindings.reserve(program.info.texture_buffer_descriptors.size());
for (const auto& desc : program.info.texture_buffer_descriptors) {
texture_buffer_bindings.push_back(bindings.texture);
diff --git a/src/shader_recompiler/backend/glasm/emit_context.h b/src/shader_recompiler/backend/glasm/emit_context.h
index dd1f9ac9f..d5bab48ea 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.h
+++ b/src/shader_recompiler/backend/glasm/emit_context.h
@@ -60,7 +60,9 @@ public:
const Profile& profile;
std::vector<u32> texture_buffer_bindings;
+ std::vector<u32> image_buffer_bindings;
std::vector<u32> texture_bindings;
+ std::vector<u32> image_bindings;
Stage stage{};
std::string_view stage_name = "invalid";
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 9dc0cacbe..3910d00ee 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -270,7 +270,8 @@ void SetupOptions(const IR::Program& program, const Profile& profile, std::strin
"OPTION NV_shader_storage_buffer;"
"OPTION NV_gpu_program_fp64;"
"OPTION NV_bindless_texture;"
- "OPTION ARB_derivative_control;";
+ "OPTION ARB_derivative_control;"
+ "OPTION EXT_shader_image_load_formatted;";
if (info.uses_int64_bit_atomics) {
header += "OPTION NV_shader_atomic_int64;";
}
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
index ab5a694fd..beee9cf06 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -50,6 +50,16 @@ std::string Texture(EmitContext& ctx, IR::TextureInstInfo info,
}
}
+std::string Image(EmitContext& ctx, IR::TextureInstInfo info,
+ [[maybe_unused]] const IR::Value& index) {
+ // FIXME: indexed reads
+ if (info.type == TextureType::Buffer) {
+ return fmt::format("image[{}]", ctx.image_buffer_bindings.at(info.descriptor_index));
+ } else {
+ return fmt::format("image[{}]", ctx.image_bindings.at(info.descriptor_index));
+ }
+}
+
std::string_view TextureType(IR::TextureInstInfo info) {
if (info.is_depth) {
switch (info.type) {
@@ -173,6 +183,28 @@ void StoreSparse(EmitContext& ctx, IR::Inst* sparse_inst) {
sparse_ret, sparse_ret);
sparse_inst->Invalidate();
}
+
+std::string_view FormatStorage(ImageFormat format) {
+ switch (format) {
+ case ImageFormat::Typeless:
+ return "U";
+ case ImageFormat::R8_UINT:
+ return "U8";
+ case ImageFormat::R8_SINT:
+ return "S8";
+ case ImageFormat::R16_UINT:
+ return "U16";
+ case ImageFormat::R16_SINT:
+ return "S16";
+ case ImageFormat::R32_UINT:
+ return "U32";
+ case ImageFormat::R32G32_UINT:
+ return "U32X2";
+ case ImageFormat::R32G32B32A32_UINT:
+ return "U32X4";
+ }
+ throw InvalidArgument("Invalid image format {}", format);
+}
} // Anonymous namespace
void EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
@@ -528,9 +560,16 @@ void EmitImageGradient(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
StoreSparse(ctx, sparse_inst);
}
-void EmitImageRead([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
- [[maybe_unused]] const IR::Value& index, [[maybe_unused]] Register coord) {
- throw NotImplementedException("GLASM instruction");
+void EmitImageRead(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord) {
+ const auto info{inst.Flags<IR::TextureInstInfo>()};
+ const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
+ const std::string_view format{FormatStorage(info.image_format)};
+ const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
+ const std::string_view type{TextureType(info)};
+ const std::string image{Image(ctx, info, index)};
+ const Register ret{ctx.reg_alloc.Define(inst)};
+ ctx.Add("LOADIM.{}{} {},{},{},{};", format, sparse_mod, ret, coord, image, type);
+ StoreSparse(ctx, sparse_inst);
}
void EmitImageWrite([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,