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r300g: integer and fixed-point 16.16 textures are not supported

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This commit is contained in:
Marek Olšák 2011-12-11 13:25:56 +01:00
parent 1ded658ce0
commit 4298c88f65
1 changed files with 11 additions and 0 deletions
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11
src/gallium/drivers/r300/r300_texture.c
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@ -236,6 +236,17 @@ uint32_t r300_translate_texformat(enum pipe_format format,
return R300_TX_FORMAT_CxV8U8 | result;
}
/* Integer and fixed-point 16.16 textures are not supported. */
for (i = 0; i < 4; i++) {
if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
(!desc->channel[i].normalized ||
desc->channel[i].pure_integer))) {
return ~0; /* Unsupported/unknown. */
}
}
/* Add sign. */
for (i = 0; i < desc->nr_channels; i++) {
if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {