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authorChia-I Wu <[email protected]>2010-04-05 10:06:52 +0800
committerDave Airlie <[email protected]>2010-04-08 16:47:11 +1000
commit968bf9634ec03e61441834603f13f0c914bbb0ce (patch)
tree1b982fba448d0c0766dde197091e98754986499f
parent821abff8c03031603111abc17dabe7cfa28a31e1 (diff)
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.
-rw-r--r--src/gallium/state_trackers/dri/drm/dri2.c18
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 420ff0ee59e..bd2517f2cdd 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);
}
}