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authorPaul Mackerras <paulus@samba.org>2005-03-11 11:38:23 +0000
committerPaul Mackerras <paulus@samba.org>2005-03-11 11:38:23 +0000
commite24a9c10b54e4804812081e5f119b7a321657c92 (patch)
tree965c0e51ef174d2dae36758f5af36a542d9ef82f /src/mesa/drivers/dri/r300
parent96035d54f3c223e6d2f6dea79fb68dbfb2b74f0a (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/mesa/drivers/dri/r300')
-rw-r--r--src/mesa/drivers/dri/r300/r300_texstate.c30
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 3d9126e5c4..ccdf2a49b9 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