Mesa (master): r300g: integer and fixed-point 16. 16 textures are not supported
Marek Olšák
mareko at kemper.freedesktop.org
Mon Dec 12 07:05:14 UTC 2011
Module: Mesa
Branch: master
Commit: 4298c88f656c191f3daca0c341850dd8c23f5f92
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=4298c88f656c191f3daca0c341850dd8c23f5f92
Author: Marek Olšák <maraeo at gmail.com>
Date: Sun Dec 11 13:25:56 2011 +0100
r300g: integer and fixed-point 16.16 textures are not supported
---
src/gallium/drivers/r300/r300_texture.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index fa09410..2738f58 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -236,6 +236,17 @@ uint32_t r300_translate_texformat(enum pipe_format format,
return R300_TX_FORMAT_CxV8U8 | result;
}
+ /* Integer and fixed-point 16.16 textures are not supported. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
+ ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
+ desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
+ (!desc->channel[i].normalized ||
+ desc->channel[i].pure_integer))) {
+ return ~0; /* Unsupported/unknown. */
+ }
+ }
+
/* Add sign. */
for (i = 0; i < desc->nr_channels; i++) {
if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
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