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r300g: fix vertex data swizzle

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This commit is contained in:
Marek Olšák 2010-01-17 14:54:35 +01:00 • committed by Corbin Simpson
parent cd553ec8be
commit d3d41cbc35
1 changed files with 5 additions and 1 deletions
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6
src/gallium/drivers/r300/r300_state_inlines.h
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@ -551,7 +551,11 @@ r300_translate_vertex_data_swizzle(enum pipe_format format) {
/* Swizzles for 8bits formats are in the reversed order, not sure why. */ /* Swizzles for 8bits formats are in the reversed order, not sure why. */
if (desc->channel[0].size == 8) { if (desc->channel[0].size == 8) {
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
swizzle[i] = 3 - desc->swizzle[i]; if (desc->swizzle[i] <= 3) {
swizzle[i] = 3 - desc->swizzle[i];
} else {
swizzle[i] = desc->swizzle[i];
}
} }
} else { } else {
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {