From cfeb161c7ebf93bf6ac39e430fc998dc13abfc66 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 31 Jul 2021 03:04:08 -0300
Subject: glsl/glasm: Pass and use scaling parameters in shaders
---
src/shader_recompiler/backend/glasm/emit_glasm.cpp | 3 +++
src/shader_recompiler/backend/glasm/emit_glasm_image.cpp | 5 +++--
src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp | 2 +-
src/shader_recompiler/backend/glsl/emit_context.cpp | 2 +-
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp | 2 +-
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp | 4 ++--
6 files changed, 11 insertions(+), 7 deletions(-)
(limited to 'src/shader_recompiler/backend')
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 4ce1c4f548..004658546b 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -448,6 +448,9 @@ std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, I
header += fmt::format("SHARED_MEMORY {};", program.shared_memory_size);
header += fmt::format("SHARED shared_mem[]={{program.sharedmem}};");
}
+ if (program.info.uses_rescaling_uniform) {
+ header += "PARAM scaling[1]={program.local[0..0]};";
+ }
header += "TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
header += fmt::format("R{},", index);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
index 583ed3cf2a..05e88cd979 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
@@ -612,8 +612,9 @@ void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
- UNIMPLEMENTED();
- ctx.Add("MOV.S {}.x,-1;", inst);
+ ctx.Add("AND.U RC.x,scaling[0].x,{};"
+ "SNE.S {},RC.x,0;",
+ 1u << index.U32(), ctx.reg_alloc.Define(inst));
}
void EmitImageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
index 77ee6dc0e0..c0f8ddcad6 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
@@ -211,7 +211,7 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
- ctx.Add("MOV.F {}.x,program.env[0].x;", inst);
+ ctx.Add("MOV.F {}.x,scaling[0].y;", inst);
}
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst) {
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index 7c9ed9159c..97bd593027 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -394,7 +394,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
}
if (info.uses_rescaling_uniform) {
- header += "layout(location=0) uniform float down_factor;";
+ header += "layout(location=0) uniform vec4 scaling;";
}
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
index 3db3083f9d..542a792304 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
@@ -446,7 +446,7 @@ void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
}
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
- ctx.AddF32("{}=down_factor;", inst);
+ ctx.AddF32("{}=scaling.y;", inst);
}
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
index 099e0160b6..82b6f0d772 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
@@ -616,8 +616,8 @@ void EmitIsTextureScaled(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
if (!index.IsImmediate()) {
throw NotImplementedException("Non-constant texture rescaling");
}
- UNIMPLEMENTED();
- ctx.AddU1("{}=true;", inst);
+ const u32 image_index{index.U32()};
+ ctx.AddU1("{}=(ftou(scaling.x)&{})!=0;", inst, 1u << image_index);
}
void EmitBindlessImageSampleImplicitLod(EmitContext&) {
--
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