[Mesa-dev] [PATCH 1/3] mesa: Add the infrastructure for KHR_texture_compression_astc_sliced_3d

[Anuj Phogat]

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 src/mapi/glapi/registry/gl.xml   | 1 +
 src/mesa/main/extensions_table.h | 1 +
 src/mesa/main/mtypes.h           | 1 +
 src/mesa/main/teximage.c         | 5 +++--
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/mapi/glapi/registry/gl.xml b/src/mapi/glapi/registry/gl.xml
index 0e12acc..dda9345 100755
--- a/src/mapi/glapi/registry/gl.xml
+++ b/src/mapi/glapi/registry/gl.xml
@@ -41757,6 +41757,7 @@ typedef unsigned int GLhandleARB;
                 <enum name="GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR"/>
             </require>
         </extension>
+        <extension name="GL_KHR_texture_compression_astc_sliced_3d" supported="gl|glcore|gles2"/>
         <extension name="GL_MESAX_texture_stack" supported="gl">
             <require>
                 <enum name="GL_TEXTURE_1D_STACK_MESAX"/>
diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_table.h
index ad3bffc..6c47b3b 100644
--- a/src/mesa/main/extensions_table.h
+++ b/src/mesa/main/extensions_table.h
@@ -285,6 +285,7 @@ EXT(KHR_robust_buffer_access_behavior       , ARB_robust_buffer_access_behavior
 EXT(KHR_robustness                          , KHR_robustness                         , GLL, GLC,  x , ES2, 2012)
 EXT(KHR_texture_compression_astc_hdr        , KHR_texture_compression_astc_hdr       , GLL, GLC,  x , ES2, 2012)
 EXT(KHR_texture_compression_astc_ldr        , KHR_texture_compression_astc_ldr       , GLL, GLC,  x , ES2, 2012)
+EXT(KHR_texture_compression_astc_sliced_3d  , KHR_texture_compression_astc_sliced_3d , GLL, GLC,  x , ES2, 2015)
 
 EXT(MESA_pack_invert                        , MESA_pack_invert                       , GLL, GLC,  x ,  x , 2002)
 EXT(MESA_texture_signed_rgba                , EXT_texture_snorm                      , GLL, GLC,  x ,  x , 2009)
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 29e47de..d490c25 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3946,6 +3946,7 @@ struct gl_extensions
    GLboolean KHR_robustness;
    GLboolean KHR_texture_compression_astc_hdr;
    GLboolean KHR_texture_compression_astc_ldr;
+   GLboolean KHR_texture_compression_astc_sliced_3d;
    GLboolean MESA_pack_invert;
    GLboolean MESA_ycbcr_texture;
    GLboolean NV_conditional_render;
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 26a6c21..b546888 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1407,10 +1407,11 @@ _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
          break;
       case MESA_FORMAT_LAYOUT_ASTC:
          target_can_be_compresed =
-                             ctx->Extensions.KHR_texture_compression_astc_hdr;
+            ctx->Extensions.KHR_texture_compression_astc_hdr ||
+            ctx->Extensions.KHR_texture_compression_astc_sliced_3d;
 
          /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
-          * and the hdr extension is not supported.
+          * and either of above extensions are not supported.
           * See comment in switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
           */
          if (!target_can_be_compresed)
-- 
2.5.5