Mesa (master): mesa: Allow ETC2/EAC formats with ARB_ES3_compatibility.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 79a09772414b7c4d1632f66d2fd0e7a9bc912ac3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=79a09772414b7c4d1632f66d2fd0e7a9bc912ac3

Author: Matt Turner <mattst88 at gmail.com>
Date:   Mon Mar  4 11:32:32 2013 -0800

mesa: Allow ETC2/EAC formats with ARB_ES3_compatibility.

Fixes piglit's oes_compressed_etc2_texture-miptree tests on Desktop GL.
Reported-by: Marek Olšák <maraeo at gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/main/glformats.c |    2 +-
 src/mesa/main/teximage.c  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
index 8728540..c1e1658 100644
--- a/src/mesa/main/glformats.c
+++ b/src/mesa/main/glformats.c
@@ -917,7 +917,7 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
    case GL_COMPRESSED_SIGNED_RG11_EAC:
    case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
    case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
-      return _mesa_is_gles3(ctx);
+      return _mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility;
    case GL_PALETTE4_RGB8_OES:
    case GL_PALETTE4_RGBA8_OES:
    case GL_PALETTE4_R5_G6_B5_OES:
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 9d4a170..7d996da 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -520,7 +520,7 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
       }
    }
 
-   if (_mesa_is_gles3(ctx)) {
+   if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) {
       switch (internalFormat) {
       case GL_COMPRESSED_RGB8_ETC2:
       case GL_COMPRESSED_SRGB8_ETC2: