On 07/23/2015 08:26 AM, Roland Scheidegger wrote:
Am 23.07.2015 um 15:57 schrieb Brian Paul:
When we're error-checking the target, we also need to check if the
corresponding extension is supported.
---
  src/mesa/main/teximage.c | 67 +++++++++++++++++++++++++++++-------------------
  1 file changed, 41 insertions(+), 26 deletions(-)

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 0726758..11eca5e 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -4555,13 +4555,16 @@ compressed_subtexture_target_check(struct gl_context 
*ctx, GLenum target,
     case 2:
        switch (target) {
        case GL_TEXTURE_2D:
+         targetOK = GL_TRUE;
+         break;
        case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
        case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
        case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
        case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
        case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
        case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
-         targetOK = GL_TRUE;
+         targetOK = _mesa_is_desktop_gl(ctx)
+            && ctx->Extensions.ARB_texture_cube_map;
Why isn't this valid for ES?

I was following the example from legal_teximage_target() but it looks like that was for the proxy target check. I'll fix that before pushing. Thanks.




           break;
        default:
           targetOK = GL_FALSE;
@@ -4569,31 +4572,40 @@ compressed_subtexture_target_check(struct gl_context 
*ctx, GLenum target,
        }
        break;
     case 3:
-      targetOK = (target == GL_TEXTURE_3D) ||
-                 (target == GL_TEXTURE_2D_ARRAY) ||
-                 (target == GL_TEXTURE_CUBE_MAP_ARRAY) ||
-                 (target == GL_TEXTURE_CUBE_MAP && dsa);
-
-      /* OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
-       * Images:
-       *    "An INVALID_OPERATION error is generated by
-       *    CompressedTex*SubImage3D if the internal format of the texture is
-       *    one of the EAC, ETC2, or RGTC formats and either border is
-       *    non-zero, or the effective target for the texture is not
-       *    TEXTURE_2D_ARRAY."
-       *
-       * NOTE: that's probably a spec error.  It should probably say
-       *    "... or the effective target for the texture is not
-       *    TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor GL_TEXTURE_CUBE_MAP_ARRAY."
-       * since those targets are 2D images and they support all compression
-       * formats.
-       *
-       * Instead of listing all these, just list those which are allowed,
-       * which is (at this time) only bptc. Otherwise we'd say s3tc (and more)
-       * are valid here, which they are not, but of course not mentioned by
-       * core spec.
-       */
-      if (target == GL_TEXTURE_3D) {
+      switch (target) {
+      case GL_TEXTURE_CUBE_MAP:
+         targetOK = dsa && ctx->Extensions.ARB_texture_cube_map;
I think technically the ARB_texture_cube_map check wouldn't be
necessary, since dsa implies support for it. Should't hurt though...

+         break;
+      case GL_TEXTURE_2D_ARRAY:
+         targetOK = _mesa_is_gles3(ctx) ||
+            (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array);
+         break;
+      case GL_TEXTURE_CUBE_MAP_ARRAY:
+         targetOK = ctx->Extensions.ARB_texture_cube_map_array;
+         break;
+      case GL_TEXTURE_3D:
+         targetOK = GL_TRUE;
+         /*
+          * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
+          * Images:
+          *    "An INVALID_OPERATION error is generated by
+          *    CompressedTex*SubImage3D if the internal format of the texture
+          *    is one of the EAC, ETC2, or RGTC formats and either border is
+          *    non-zero, or the effective target for the texture is not
+          *    TEXTURE_2D_ARRAY."
+          *
+          * NOTE: that's probably a spec error.  It should probably say
+          *    "... or the effective target for the texture is not
+          *    TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
+          *    GL_TEXTURE_CUBE_MAP_ARRAY."
+          * since those targets are 2D images and they support all compression
+          * formats.
+          *
+          * Instead of listing all these, just list those which are allowed,
+          * which is (at this time) only bptc. Otherwise we'd say s3tc (and
+          * more) are valid here, which they are not, but of course not
+          * mentioned by core spec.
+          */
           switch (format) {
           /* These are the only 3D compression formats supported at this time 
*/
           case GL_COMPRESSED_RGBA_BPTC_UNORM:
@@ -4610,6 +4622,9 @@ compressed_subtexture_target_check(struct gl_context 
*ctx, GLenum target,
                          _mesa_enum_to_string(format));
              return GL_TRUE;
           }
+         break;
+      default:
+         targetOK = GL_FALSE;
        }

        break;


Otherwise, and for the rest of the series,

Reviewed-by: Roland Scheidegger <[email protected]>

Thanks.

-Brian


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