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glsl: Implement more attribute getters and setters

This commit is contained in:
ameerj 2021-06-08 21:22:50 -04:00
parent 8bb8bbf4ae
commit 3f31a547e0
2 changed files with 60 additions and 12 deletions
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4
src/shader_recompiler/backend/glsl/emit_context.cpp
View File

@ -239,6 +239,7 @@ bool UsesTyplessImage(const Info& info) {
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
const RuntimeInfo& runtime_info_)
: info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
header += "#pragma optionNV(fastmath off)\n";
SetupExtensions(header);
stage = program.stage;
switch (program.stage) {
@ -351,6 +352,9 @@ void EmitContext::SetupExtensions(std::string&) {
if (info.uses_sparse_residency) {
header += "#extension GL_ARB_sparse_texture2 : enable\n";
}
if (info.stores_viewport_mask && profile.support_viewport_mask) {
header += "#extension GL_NV_viewport_array2 : enable\n";
}
if (UsesTyplessImage(info)) {
header += "#extension GL_EXT_shader_image_load_formatted : enable\n";
}

68
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View File

@ -203,6 +203,9 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
return;
}
switch (attr) {
case IR::Attribute::PrimitiveId:
ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
break;
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
@ -212,10 +215,20 @@ 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:
ctx.AddF32("{}=gl_FrontMaterial.diffuse.{};", inst, swizzle);
break;
case IR::Attribute::PointSpriteS:
case IR::Attribute::PointSpriteT:
ctx.AddF32("{}=gl_PointCoord.{};", inst, swizzle);
break;
case IR::Attribute::TessellationEvaluationPointU:
case IR::Attribute::TessellationEvaluationPointV:
ctx.AddF32("{}=gl_TessCoord.{};", inst, swizzle);
break;
case IR::Attribute::InstanceId:
ctx.AddF32("{}=itof(gl_InstanceID);", inst);
break;
@ -225,10 +238,6 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
case IR::Attribute::FrontFace:
ctx.AddF32("{}=itof(gl_FrontFacing?-1:0);", inst);
break;
case IR::Attribute::TessellationEvaluationPointU:
case IR::Attribute::TessellationEvaluationPointV:
ctx.AddF32("{}=gl_TessCoord.{};", inst, swizzle);
break;
default:
fmt::print("Get attribute {}", attr);
throw NotImplementedException("Get attribute {}", attr);
@ -262,6 +271,23 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
}
ctx.Add("gl_Layer=ftoi({});", value);
break;
case IR::Attribute::ViewportIndex:
if (ctx.stage != Stage::Geometry &&
!ctx.profile.support_viewport_index_layer_non_geometry) {
// LOG_WARNING(..., "Shader stores viewport index but device does not support viewport
// layer extension");
break;
}
ctx.Add("gl_ViewportIndex=ftoi({});", value);
break;
case IR::Attribute::ViewportMask:
if (ctx.stage != Stage::Geometry && !ctx.profile.support_viewport_mask) {
// LOG_WARNING(..., "Shader stores viewport mask but device does not support viewport
// mask extension");
break;
}
ctx.Add("gl_ViewportMask[0]=ftoi({});", value);
break;
case IR::Attribute::PointSize:
ctx.Add("gl_PointSize={};", value);
break;
@ -271,14 +297,32 @@ 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::ViewportIndex:
if (ctx.stage != Stage::Geometry &&
!ctx.profile.support_viewport_index_layer_non_geometry) {
// LOG_WARNING(..., "Shader stores viewport index but device does not support viewport
// layer extension");
break;
}
ctx.Add("gl_ViewportIndex=ftoi({});", value);
case IR::Attribute::ColorFrontDiffuseR:
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
ctx.Add("gl_FrontMaterial.diffuse.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA:
ctx.Add("gl_FrontMaterial.specular.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG:
case IR::Attribute::ColorBackDiffuseB:
case IR::Attribute::ColorBackDiffuseA:
ctx.Add("gl_BackMaterial.diffuse.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackSpecularR:
case IR::Attribute::ColorBackSpecularG:
case IR::Attribute::ColorBackSpecularB:
case IR::Attribute::ColorBackSpecularA:
ctx.Add("gl_BackMaterial.specular.{}={};", swizzle, value);
break;
case IR::Attribute::FogCoordinate:
ctx.Add("gl_FragCoord.x={};", value);
break;
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1: