diff options
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_context.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp index e08d2d2eb..4e6f2c0fe 100644 --- a/src/shader_recompiler/backend/glsl/emit_context.cpp +++ b/src/shader_recompiler/backend/glsl/emit_context.cpp @@ -257,6 +257,32 @@ void SetupOutPerVertex(EmitContext& ctx, std::string& header) { } } +void SetupInPerVertex(EmitContext& ctx, std::string& header) { + // Currently only required for TessellationControl to adhere to + // ARB_separate_shader_objects requirements + if (ctx.stage != Stage::TessellationControl) { + return; + } + const bool loads_position{ctx.info.loads.AnyComponent(IR::Attribute::PositionX)}; + const bool loads_point_size{ctx.info.loads[IR::Attribute::PointSize]}; + const bool loads_clip_distance{ctx.info.loads.ClipDistances()}; + const bool loads_per_vertex{loads_position || loads_point_size || loads_clip_distance}; + if (!loads_per_vertex) { + return; + } + header += "in gl_PerVertex{"; + if (loads_position) { + header += "vec4 gl_Position;"; + } + if (loads_point_size) { + header += "float gl_PointSize;"; + } + if (loads_clip_distance) { + header += "float gl_ClipDistance[];"; + } + header += "}gl_in[gl_MaxPatchVertices];"; +} + void SetupLegacyInPerFragment(EmitContext& ctx, std::string& header) { if (!ctx.info.loads.Legacy()) { return; @@ -334,6 +360,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile break; } SetupOutPerVertex(*this, header); + SetupInPerVertex(*this, header); SetupLegacyInPerFragment(*this, header); for (size_t index = 0; index < IR::NUM_GENERICS; ++index) { @@ -375,6 +402,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile } void EmitContext::SetupExtensions() { + header += "#extension GL_ARB_separate_shader_objects : enable\n"; if (info.uses_shadow_lod && profile.support_gl_texture_shadow_lod) { header += "#extension GL_EXT_texture_shadow_lod : enable\n"; } |