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authorMarek Olšák <[email protected]>2010-09-29 17:54:31 +0200
committerMarek Olšák <[email protected]>2010-09-29 20:43:44 +0200
commit94e9ab975cb4187a63eeb4cd03694ebd3cb27bd8 (patch)
tree7c08ef71d7ba8ce232aea0d3e3e14107c50f1d36 /src/gallium/drivers/r300/r300_texture.c
parent4e07aadabbf4b3ff57d79033e92dfab9fe299f45 (diff)
r300g: add support for formats beginning with X, like X8R8G8B8
This is actually a format translator fix.
Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
-rw-r--r--src/gallium/drivers/r300/r300_texture.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index a7911c6fcc4..2d8431dbb80 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -260,16 +260,26 @@ uint32_t r300_translate_texformat(enum pipe_format format,
return ~0; /* Unsupported/unknown. */
}
+ /* Find the first non-VOID channel. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ break;
+ }
+ }
+
+ if (i == 4)
+ return ~0; /* Unsupported/unknown. */
+
/* And finally, uniform formats. */
- switch (desc->channel[0].type) {
+ switch (desc->channel[i].type) {
case UTIL_FORMAT_TYPE_UNSIGNED:
case UTIL_FORMAT_TYPE_SIGNED:
- if (!desc->channel[0].normalized &&
+ if (!desc->channel[i].normalized &&
desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
return ~0;
}
- switch (desc->channel[0].size) {
+ switch (desc->channel[i].size) {
case 4:
switch (desc->nr_channels) {
case 2:
@@ -303,7 +313,7 @@ uint32_t r300_translate_texformat(enum pipe_format format,
return ~0;
case UTIL_FORMAT_TYPE_FLOAT:
- switch (desc->channel[0].size) {
+ switch (desc->channel[i].size) {
case 16:
switch (desc->nr_channels) {
case 1:
@@ -443,15 +453,25 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
desc = util_format_description(format);
+ /* Find the first non-VOID channel. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ break;
+ }
+ }
+
+ if (i == 4)
+ return ~0; /* Unsupported/unknown. */
+
/* Specifies how the shader output is written to the fog unit. */
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
- if (desc->channel[0].size == 32) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
+ if (desc->channel[i].size == 32) {
modifier |= R300_US_OUT_FMT_C4_32_FP;
} else {
modifier |= R300_US_OUT_FMT_C4_16_FP;
}
} else {
- if (desc->channel[0].size == 16) {
+ if (desc->channel[i].size == 16) {
modifier |= R300_US_OUT_FMT_C4_16;
} else {
/* C4_8 seems to be used for the formats whose pixel size