From d171083d53e106c8c5131522fdc81d51360c562d Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Wed, 26 May 2021 21:18:17 -0400
Subject: glsl: textures wip
---
.../backend/glsl/emit_glsl_image.cpp | 24 +++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
(limited to 'src/shader_recompiler/backend/glsl/emit_glsl_image.cpp')
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
index 109938e0ec..cc5afc048d 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
@@ -6,17 +6,39 @@
#include "shader_recompiler/backend/glsl/emit_context.h"
#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
+#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/ir/value.h"
#include "shader_recompiler/profile.h"
namespace Shader::Backend::GLSL {
+namespace {
+std::string Texture(EmitContext& ctx, IR::TextureInstInfo info,
+ [[maybe_unused]] const IR::Value& index) {
+ if (info.type == TextureType::Buffer) {
+ throw NotImplementedException("TextureType::Buffer");
+ } else {
+ return fmt::format("tex{}", ctx.texture_bindings.at(info.descriptor_index));
+ }
+}
+} // namespace
void EmitImageSampleImplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& index,
[[maybe_unused]] std::string_view coords,
[[maybe_unused]] std::string_view bias_lc,
[[maybe_unused]] const IR::Value& offset) {
- throw NotImplementedException("GLSL Instruction");
+ const auto info{inst.Flags<IR::TextureInstInfo>()};
+ if (info.has_bias) {
+ throw NotImplementedException("Bias texture samples");
+ }
+ if (info.has_lod_clamp) {
+ throw NotImplementedException("Lod clamp samples");
+ }
+ if (!offset.IsEmpty()) {
+ throw NotImplementedException("Offset");
+ }
+ const auto texture{Texture(ctx, info, index)};
+ ctx.AddF32x4("{}=texture({},{});", inst, texture, coords);
}
void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
--
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