2 * (C) Copyright IBM Corporation 2004
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12 * The above copyright notice and this permission notice (including the next
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Test program to verify the behavior of an OpenGL implementation when
28 * an application calls \c glCompressedTexImage2D with an unsupported (but
29 * valid) compression format. The most common example is calling it with
30 * \c GL_COMPRESSED_RGBA_S3TC_DXT1_EXT when GL_EXT_texture_compression_s3tc
33 * This tests Mesa bug #1028405.
35 * \author Ian Romanick <idr@us.ibm.com>
44 static unsigned data
[16];
47 main( int argc
, char ** argv
)
56 glutInit( & argc
, argv
);
57 glutInitDisplayMode( GLUT_RGB
| GLUT_DEPTH
| GLUT_DOUBLE
);
59 glutInitWindowPosition( 0, 0 );
60 glutInitWindowSize( 300, 300 );
61 glutCreateWindow( "No S3TC Test" );
63 gl_version
= strtod( (const char *) glGetString( GL_VERSION
), NULL
);
64 if ( ! glutExtensionSupported( "GL_ARB_texture_compression" )
65 && (gl_version
< 1.3) ) {
66 fprintf( stderr
, "Either OpenGL 1.3 or GL_ARB_texture_compression "
67 "must be supported.\n" );
68 return( EXIT_SUCCESS
);
72 if ( ! glutExtensionSupported( "GL_EXT_texture_compression_s3tc" ) ) {
73 format
= GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
;
77 else if ( ! glutExtensionSupported( "GL_3DFX_texture_compression_FXT1" ) ) {
78 format
= GL_COMPRESSED_RGBA_FXT1_3DFX
;
83 fprintf( stderr
, "Either GL_EXT_texture_compression_s3tc or "
84 "GL_3DFX_texture_compression_FXT1 must NOT be supported.\n" );
85 return( EXIT_SUCCESS
);
88 glCompressedTexImage2D( GL_TEXTURE_2D
, 0, format
, width
, 4, 0,
91 if ( err
!= GL_INVALID_ENUM
) {
92 fprintf( stderr
, "GL error 0x%04x should have been generated, but "
93 "0x%04x was generated instead.\n", GL_INVALID_ENUM
, err
);
96 return (err
== GL_INVALID_ENUM
) ? EXIT_SUCCESS
: EXIT_FAILURE
;