[Mesa-dev] [PATCH 0.1/2] mesa: Add new variables in gl_context to store sample number layout

[Anuj Phogat]

Variables are used in later patches to implement
EXT_framebuffer_multisample_blit_scaled extension.

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 src/mesa/main/mtypes.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 0d50be8..1cb3461 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3608,6 +3608,15 @@ struct gl_constants
    GLint MaxDepthTextureSamples;
    GLint MaxIntegerSamples;
 
+   /**
+    * Layout of sample numbers in a rectangular grid roughly corresponding
+    * to real sample locations within a pixel. Used by
+    * GL_EXT_texture_multisample_blit_scaled implementation.
+    */
+   GLchar* sample_map_2x;
+   GLchar* sample_map_4x;
+   GLchar* sample_map_8x;
+
    /** GL_ARB_shader_atomic_counters */
    GLuint MaxAtomicBufferBindings;
    GLuint MaxAtomicBufferSize;
-- 
1.9.3