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_context.cpp | 54 ++++++++++++++++++++--
1 file changed, 50 insertions(+), 4 deletions(-)
(limited to 'src/shader_recompiler/backend/glsl/emit_context.cpp')
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index 8e5983909e..de19e0fbab 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -8,9 +8,21 @@
#include "shader_recompiler/profile.h"
namespace Shader::Backend::GLSL {
+namespace {
+std::string_view InterpDecorator(Interpolation interp) {
+ switch (interp) {
+ case Interpolation::Smooth:
+ return "";
+ case Interpolation::Flat:
+ return "flat";
+ case Interpolation::NoPerspective:
+ return "noperspective";
+ }
+ throw InvalidArgument("Invalid interpolation {}", interp);
+}
+} // namespace
-EmitContext::EmitContext(IR::Program& program, [[maybe_unused]] Bindings& bindings,
- const Profile& profile_)
+EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_)
: info{program.info}, profile{profile_} {
std::string header = "#version 450\n";
SetupExtensions(header);
@@ -49,7 +61,8 @@ EmitContext::EmitContext(IR::Program& program, [[maybe_unused]] Bindings& bindin
for (size_t index = 0; index < info.input_generics.size(); ++index) {
const auto& generic{info.input_generics[index]};
if (generic.used) {
- Add("layout(location={})in vec4 in_attr{};", index, index);
+ Add("layout(location={}) {} in vec4 in_attr{};", index,
+ InterpDecorator(generic.interpolation), index);
}
}
for (size_t index = 0; index < info.stores_frag_color.size(); ++index) {
@@ -66,6 +79,7 @@ EmitContext::EmitContext(IR::Program& program, [[maybe_unused]] Bindings& bindin
DefineConstantBuffers();
DefineStorageBuffers();
DefineHelperFunctions();
+ SetupImages(bindings);
Add("void main(){{");
if (stage == Stage::VertexA || stage == Stage::VertexB) {
@@ -102,7 +116,7 @@ void EmitContext::DefineConstantBuffers() {
}
u32 binding{};
for (const auto& desc : info.constant_buffer_descriptors) {
- Add("layout(std140,binding={}) uniform cbuf_{}{{vec4 cbuf{}[{}];}};", binding, binding,
+ Add("layout(std140,binding={}) uniform cbuf_{}{{vec4 cbuf{}[{}];}};", binding, desc.index,
desc.index, 4 * 1024);
++binding;
}
@@ -164,4 +178,36 @@ void EmitContext::DefineHelperFunctions() {
}
}
+void EmitContext::SetupImages(Bindings& bindings) {
+ image_buffer_bindings.reserve(info.image_buffer_descriptors.size());
+ for (const auto& desc : info.image_buffer_descriptors) {
+ throw NotImplementedException("image_buffer_descriptors");
+ image_buffer_bindings.push_back(bindings.image);
+ bindings.image += desc.count;
+ }
+ image_bindings.reserve(info.image_descriptors.size());
+ for (const auto& desc : info.image_descriptors) {
+ throw NotImplementedException("image_bindings");
+
+ image_bindings.push_back(bindings.image);
+ bindings.image += desc.count;
+ }
+ texture_buffer_bindings.reserve(info.texture_buffer_descriptors.size());
+ for (const auto& desc : info.texture_buffer_descriptors) {
+ throw NotImplementedException("TextureType::Buffer");
+
+ texture_buffer_bindings.push_back(bindings.texture);
+ bindings.texture += desc.count;
+ }
+ texture_bindings.reserve(info.texture_descriptors.size());
+ for (const auto& desc : info.texture_descriptors) {
+ texture_bindings.push_back(bindings.texture);
+ const auto indices{bindings.texture + desc.count};
+ for (u32 index = bindings.texture; index < indices; ++index) {
+ Add("layout(binding={}) uniform sampler2D tex{};", bindings.texture, index);
+ }
+ bindings.texture += desc.count;
+ }
+}
+
} // namespace Shader::Backend::GLSL
--
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