Mesa (master): st/dri: Fix setTexBuffer2 with __DRI_TEXTURE_FORMAT_RGB.
Dave Airlie
airlied at kemper.freedesktop.org
Thu Apr 8 06:51:38 UTC 2010
Module: Mesa
Branch: master
Commit: 968bf9634ec03e61441834603f13f0c914bbb0ce
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=968bf9634ec03e61441834603f13f0c914bbb0ce
Author: Chia-I Wu <olv at lunarg.com>
Date: Mon Apr 5 10:06:52 2010 +0800
st/dri: Fix setTexBuffer2 with __DRI_TEXTURE_FORMAT_RGB.
When the format is __DRI_TEXTURE_FORMAT_RGB, the texture should be
treated as if there is no alpha channel.
---
src/gallium/state_trackers/dri/drm/dri2.c | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/src/gallium/state_trackers/dri/drm/dri2.c b/src/gallium/state_trackers/dri/drm/dri2.c
index 420ff0e..bd2517f 100644
--- a/src/gallium/state_trackers/dri/drm/dri2.c
+++ b/src/gallium/state_trackers/dri/drm/dri2.c
@@ -84,9 +84,25 @@ dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
if (pt) {
+ enum pipe_format internal_format = pt->format;
+
+ if (format == __DRI_TEXTURE_FORMAT_RGB) {
+ /* only need to cover the formats recognized by dri_fill_st_visual */
+ switch (internal_format) {
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ internal_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+ break;
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ internal_format = PIPE_FORMAT_X8R8G8B8_UNORM;
+ break;
+ default:
+ break;
+ }
+ }
+
ctx->st->teximage(ctx->st,
(target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
- 0, drawable->stvis.color_format, pt, FALSE);
+ 0, internal_format, pt, FALSE);
}
}
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