v3d: handle writes to gl_Layer from geometry shaders

[mesa.git] / src / broadcom / compiler / v3d_compiler.h

diff --git a/src/broadcom/compiler/v3d_compiler.h b/src/broadcom/compiler/v3d_compiler.h
index 4249c181bf113f57974dfcd934004e5ece46c718..0489ebdc12e5e866dbca273f5c1a71b991d305d2 100644 (file)
--- a/src/broadcom/compiler/v3d_compiler.h
+++ b/src/broadcom/compiler/v3d_compiler.h
@@ -279,6 +279,14 @@ enum quniform_contents {
          * L2T cache will effectively be the shared memory area.
          */
         QUNIFORM_SHARED_OFFSET,
+
+        /**
+         * Returns the number of layers in the framebuffer.
+         *
+         * This is used to cap gl_Layer in geometry shaders to avoid
+         * out-of-bounds accesses into the tile state during binning.
+         */
+        QUNIFORM_FB_LAYERS,
 };
 
 static inline uint32_t v3d_unit_data_create(uint32_t unit, uint32_t value)