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glsl: textures wip

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This commit is contained in:
ameerj 2021-05-26 21:18:17 -04:00
parent 3d086e6130
commit d171083d53
9 changed files with 139 additions and 75 deletions
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24
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@ -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,