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| author | marha <marha@users.sourceforge.net> | 2011-09-28 15:18:21 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-09-28 15:18:21 +0200 |
| commit | 18a8f9f6839dfd899814a76a971e720c1e622236 (patch) | |
| tree | 42ad3d70bcbefe8f2c218468f7a1fd033b38428c /mesalib/src/mesa/main/enable.c | |
| parent | 183b7373f9919eeb5eb408f38578e01717b2cc10 (diff) | |
| download | vcxsrv-18a8f9f6839dfd899814a76a971e720c1e622236.tar.gz vcxsrv-18a8f9f6839dfd899814a76a971e720c1e622236.tar.bz2 vcxsrv-18a8f9f6839dfd899814a76a971e720c1e622236.zip | |
mesa pixman xkeyboard-config git update 28 sep 2011
Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
| -rw-r--r-- | mesalib/src/mesa/main/enable.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c index 23b6a9480..689dc8a99 100644 --- a/mesalib/src/mesa/main/enable.c +++ b/mesalib/src/mesa/main/enable.c @@ -304,7 +304,10 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state) case GL_CLIP_DISTANCE6: case GL_CLIP_DISTANCE7: { - const GLuint p = cap - GL_CLIP_PLANE0; + const GLuint p = cap - GL_CLIP_DISTANCE0; + + if (p >= ctx->Const.MaxClipPlanes) + goto invalid_enum_error; if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == ((GLuint) state << p)) @@ -1084,13 +1087,21 @@ _mesa_IsEnabled( GLenum cap ) return ctx->Eval.AutoNormal; case GL_BLEND: return ctx->Color.BlendEnabled & 1; /* return state for buffer[0] */ - case GL_CLIP_PLANE0: - case GL_CLIP_PLANE1: - case GL_CLIP_PLANE2: - case GL_CLIP_PLANE3: - case GL_CLIP_PLANE4: - case GL_CLIP_PLANE5: - return (ctx->Transform.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1; + case GL_CLIP_DISTANCE0: + case GL_CLIP_DISTANCE1: + case GL_CLIP_DISTANCE2: + case GL_CLIP_DISTANCE3: + case GL_CLIP_DISTANCE4: + case GL_CLIP_DISTANCE5: + case GL_CLIP_DISTANCE6: + case GL_CLIP_DISTANCE7: { + const GLuint p = cap - GL_CLIP_DISTANCE0; + + if (p >= ctx->Const.MaxClipPlanes) + goto invalid_enum_error; + + return (ctx->Transform.ClipPlanesEnabled >> p) & 1; + } case GL_COLOR_MATERIAL: return ctx->Light.ColorMaterialEnabled; case GL_CULL_FACE: |