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Remove glsl handle legacy related code

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This commit is contained in:
vonchenplus 2021-12-18 14:03:40 +08:00
parent e49184e606
commit 94652e122d
3 changed files with 1 additions and 103 deletions
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2
src/shader_recompiler/backend/glsl/emit_glsl.cpp
View file

@ -176,7 +176,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
std::string GlslVersionSpecifier(const EmitContext& ctx) {
if (ctx.uses_y_direction || ctx.info.stores.Legacy() || ctx.info.loads.Legacy()) {
if (ctx.uses_y_direction) {
return " compatibility";
}
return "";

64
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View file

@ -98,10 +98,6 @@ void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
GetCbuf(ctx, ret, binding, offset, 16, cast, bit_offset);
}
}
u32 TexCoordIndex(IR::Attribute attr) {
return (static_cast<u32>(attr) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
}
} // Anonymous namespace
void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
@ -190,18 +186,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
ctx.AddF32("{}=in_attr{}{}.{};", inst, index, InputVertexIndex(ctx, vertex), swizzle);
return;
}
// GLSL only exposes 8 legacy texcoords
if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
TexCoordIndex(attr));
ctx.AddF32("{}=0.f;", inst);
return;
}
if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
const u32 index{TexCoordIndex(attr)};
ctx.AddF32("{}=gl_TexCoord[{}].{};", inst, index, swizzle);
return;
}
switch (attr) {
case IR::Attribute::PrimitiveId:
ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
@ -215,16 +199,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
ctx.AddF32("{}={}{}.{};", inst, input_decorator, ctx.position_name, swizzle);
break;
}
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
if (ctx.stage == Stage::Fragment) {
ctx.AddF32("{}=gl_Color.{};", inst, swizzle);
} else {
ctx.AddF32("{}=gl_FrontColor.{};", inst, swizzle);
}
break;
case IR::Attribute::PointSpriteS:
case IR::Attribute::PointSpriteT:
ctx.AddF32("{}=gl_PointCoord.{};", inst, swizzle);
@ -264,17 +238,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
}
const u32 element{static_cast<u32>(attr) % 4};
const char swizzle{"xyzw"[element]};
// GLSL only exposes 8 legacy texcoords
if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
LOG_WARNING(Shader_GLSL, "GLSL does not allow access to gl_TexCoord[{}]",
TexCoordIndex(attr));
return;
}
if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
const u32 index{TexCoordIndex(attr)};
ctx.Add("gl_TexCoord[{}].{}={};", index, swizzle, value);
return;
}
switch (attr) {
case IR::Attribute::Layer:
if (ctx.stage != Stage::Geometry &&
@ -312,33 +275,6 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
case IR::Attribute::PositionW:
ctx.Add("gl_Position.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
ctx.Add("gl_FrontColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA:
ctx.Add("gl_FrontSecondaryColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG:
case IR::Attribute::ColorBackDiffuseB:
case IR::Attribute::ColorBackDiffuseA:
ctx.Add("gl_BackColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackSpecularR:
case IR::Attribute::ColorBackSpecularG:
case IR::Attribute::ColorBackSpecularB:
case IR::Attribute::ColorBackSpecularA:
ctx.Add("gl_BackSecondaryColor.{}={};", swizzle, value);
break;
case IR::Attribute::FogCoordinate:
ctx.Add("gl_FogFragCoord={};", value);
break;
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1:
case IR::Attribute::ClipDistance2:

38
src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
View file

@ -211,27 +211,6 @@ std::string_view OutputPrimitive(OutputTopology topology) {
throw InvalidArgument("Invalid output topology {}", topology);
}
void SetupLegacyOutPerVertex(EmitContext& ctx, std::string& header) {
if (!ctx.info.stores.Legacy()) {
return;
}
if (ctx.info.stores.FixedFunctionTexture()) {
header += "vec4 gl_TexCoord[8];";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
header += "vec4 gl_FrontColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
header += "vec4 gl_FrontSecondaryColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
header += "vec4 gl_BackColor;";
}
if (ctx.info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
header += "vec4 gl_BackSecondaryColor;";
}
}
void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
if (!StoresPerVertexAttributes(ctx.stage)) {
return;
@ -250,7 +229,6 @@ void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
ctx.profile.support_viewport_index_layer_non_geometry && ctx.stage != Stage::Geometry) {
header += "int gl_ViewportIndex;";
}
SetupLegacyOutPerVertex(ctx, header);
header += "};";
if (ctx.info.stores[IR::Attribute::ViewportIndex] && ctx.stage == Stage::Geometry) {
header += "out int gl_ViewportIndex;";
@ -282,21 +260,6 @@ void SetupInPerVertex(EmitContext& ctx, std::string& header) {
}
header += "}gl_in[gl_MaxPatchVertices];";
}
void SetupLegacyInPerFragment(EmitContext& ctx, std::string& header) {
if (!ctx.info.loads.Legacy()) {
return;
}
header += "in gl_PerFragment{";
if (ctx.info.loads.FixedFunctionTexture()) {
header += "vec4 gl_TexCoord[8];";
}
if (ctx.info.loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
header += "vec4 gl_Color;";
}
header += "};";
}
} // Anonymous namespace
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
@ -361,7 +324,6 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
SetupOutPerVertex(*this, header);
SetupInPerVertex(*this, header);
SetupLegacyInPerFragment(*this, header);
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
if (!info.loads.Generic(index) || !runtime_info.previous_stage_stores.Generic(index)) {