Merge pull request #8858 from vonchenplus/mipmap

video_core: Generate mipmap texture by drawing

3 files changed, 8 insertions, 0 deletions

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 fad8d1e30..d7c845469 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
@@ -416,6 +416,10 @@ void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
     ctx.AddF32("{}=scaling.z;", inst);
 }
 
+void EmitRenderArea(EmitContext& ctx, IR::Inst& inst) {
+    ctx.AddF32x4("{}=render_area;", inst);
+}
+
 void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {
     ctx.AddU32("{}=lmem[{}];", inst, word_offset);
 }
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
index 639691ba6..3c8bcb7e9 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
@@ -87,6 +87,7 @@ void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
 void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
 void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
 void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
+void EmitRenderArea(EmitContext& ctx, IR::Inst& inst);
 void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset);
 void EmitWriteLocal(EmitContext& ctx, std::string_view word_offset, std::string_view value);
 void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);
diff --git a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
index c767a9dc3..5d01ec0cd 100644
--- a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
@@ -358,6 +358,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
     if (info.uses_rescaling_uniform) {
         header += "layout(location=0) uniform vec4 scaling;";
     }
+    if (info.uses_render_area) {
+        header += "layout(location=1) uniform vec4 render_area;";
+    }
     DefineConstantBuffers(bindings);
     DefineConstantBufferIndirect();
     DefineStorageBuffers(bindings);