Mesa (master): mesa: Add the infrastructure for KHR_texture_compression_astc_sliced_3d

[Anuj Phogat]

Module: Mesa
Branch: master
Commit: 15dea5ca82f45f9b1113e69fe2048b6f05ed426b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=15dea5ca82f45f9b1113e69fe2048b6f05ed426b

Author: Anuj Phogat <anuj.phogat at gmail.com>
Date:   Thu Jul  7 17:03:19 2016 -0700

mesa: Add the infrastructure for KHR_texture_compression_astc_sliced_3d

V2: Drop the changes to gl.xml.

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Nanley Chery <nanley.g.chery at intel.com>

---

 src/mesa/main/extensions_table.h | 1 +
 src/mesa/main/mtypes.h           | 1 +
 src/mesa/main/teximage.c         | 7 ++++---
 3 files changed, 6 insertions(+), 3 deletions(-)

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 3dae168..ecc5b49 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 d74a45f..8869b3d 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1447,11 +1447,12 @@ _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.
-          * See comment in switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
+          * neither of the above extensions are supported. See comment in
+          * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
           */
          if (!target_can_be_compresed)
             return write_error(error, GL_INVALID_OPERATION);