diff options
| author | Paul Mackerras <[email protected]> | 2005-03-11 11:38:23 +0000 |
|---|---|---|
| committer | Paul Mackerras <[email protected]> | 2005-03-11 11:38:23 +0000 |
| commit | e24a9c10b54e4804812081e5f119b7a321657c92 (patch) | |
| tree | 965c0e51ef174d2dae36758f5af36a542d9ef82f /src | |
| parent | 96035d54f3c223e6d2f6dea79fb68dbfb2b74f0a (diff) | |
Add suitable definitions for the _REV formats, plus a comment
explaining why they are the same as the non-REV formats now that
textures don't get byte-swapped on their way to the chip.
Fix the ARGB4444 and L8 formats.
Add entries for the A8 and RGB332 formats.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_texstate.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c index 3d9126e5c4f..ccdf2a49b95 100644 --- a/src/mesa/drivers/dri/r300/r300_texstate.c +++ b/src/mesa/drivers/dri/r300/r300_texstate.c @@ -100,25 +100,35 @@ static const struct { static const struct { GLuint format, filter, flag; } tx_table[] = { + /* + * Note that the _REV formats are the same as the non-REV formats. + * This is because the REV and non-REV formats are identical as a + * byte string, but differ when accessed as 16-bit or 32-bit words + * depending on the endianness of the host. Since the textures are + * transferred to the R300 as a byte string (i.e. without any + * byte-swapping), the R300 sees the REV and non-REV formats + * identically. -- paulus + */ _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)), - _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)), + _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)), _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)), - _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)), + _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)), _ASSIGN(RGB888, 0xffffffff), _ASSIGN(RGB565, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)), - _ASSIGN(RGB565_REV, 0xffffff01), - _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(Y, Z, W, X, W4Z4Y4X4)), - _ASSIGN(ARGB4444_REV, 0xffffff02), + _ASSIGN(RGB565_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)), + _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)), + _ASSIGN(ARGB4444_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)), _ASSIGN(ARGB1555, R300_EASY_TX_FORMAT(Z, Y, X, W, W1Z5Y5X5)), - _ASSIGN(ARGB1555_REV, 0xffffff04), + _ASSIGN(ARGB1555_REV, R300_EASY_TX_FORMAT(Z, Y, X, W, W1Z5Y5X5)), _ASSIGN(AL88, R300_EASY_TX_FORMAT(Y, Y, Y, X, Y8X8)), - _ASSIGN(AL88_REV, 0xffffff05), - _ASSIGN(A8, 0xffffff06), - _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, X, X8)), + _ASSIGN(AL88_REV, R300_EASY_TX_FORMAT(Y, Y, Y, X, Y8X8)), + _ASSIGN(RGB332, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2)), + _ASSIGN(A8, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8)), + _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, ONE, X8)), _ASSIGN(I8, R300_EASY_TX_FORMAT(X, X, X, X, X8)), _ASSIGN(CI8, R300_EASY_TX_FORMAT(X, X, X, X, X8)), _ASSIGN(YCBCR, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE ), - _ASSIGN(YCBCR_REV, 0xffffff08), + _ASSIGN(YCBCR_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8)|R300_TX_FORMAT_YUV_MODE), }; #undef _COLOR |