static INLINE uint16_t
r300_translate_vertex_data_swizzle(enum pipe_format format) {
const struct util_format_description *desc = util_format_description(format);
- unsigned swizzle[4], i;
assert(format);
return 0;
}
- /* Swizzles for 8bits formats are in the reversed order, not sure why. */
- if (desc->channel[0].size == 8) {
- for (i = 0; i < 4; i++) {
- if (desc->swizzle[i] <= 3) {
- swizzle[i] = 3 - desc->swizzle[i];
- } else {
- swizzle[i] = desc->swizzle[i];
- }
- }
- } else {
- for (i = 0; i < 4; i++) {
- swizzle[i] = desc->swizzle[i];
- }
- }
-
- return ((swizzle[0] << R300_SWIZZLE_SELECT_X_SHIFT) |
- (swizzle[1] << R300_SWIZZLE_SELECT_Y_SHIFT) |
- (swizzle[2] << R300_SWIZZLE_SELECT_Z_SHIFT) |
- (swizzle[3] << R300_SWIZZLE_SELECT_W_SHIFT) |
+ return ((desc->swizzle[0] << R300_SWIZZLE_SELECT_X_SHIFT) |
+ (desc->swizzle[1] << R300_SWIZZLE_SELECT_Y_SHIFT) |
+ (desc->swizzle[2] << R300_SWIZZLE_SELECT_Z_SHIFT) |
+ (desc->swizzle[3] << R300_SWIZZLE_SELECT_W_SHIFT) |
(0xf << R300_WRITE_ENA_SHIFT));
}