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authorMichel Dänzer <daenzer@vmware.com>2009-10-03 18:01:58 +0200
committerMichel Dänzer <daenzer@vmware.com>2009-10-03 18:01:58 +0200
commitb330cebe01c5574e203fa6b9d49fee4c01e1adb6 (patch)
treeaf5c669c69f0fe4262c8f4963d34d96a40f62de9 /src/mesa
parentf741c1eed4559329a89fbf8da569889bbcdace26 (diff)
radeon: Cope better with texture images with no miptrees.
Fixes crash with compiz magnifier plugin.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_texture.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c
index 049284ef8c..7b7392b217 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texture.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texture.c
@@ -101,7 +101,12 @@ void radeonFreeTexImageData(GLcontext *ctx, struct gl_texture_image *timage)
/* Set Data pointer and additional data for mapped texture image */
static void teximage_set_map_data(radeon_texture_image *image)
{
- radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
+ radeon_mipmap_level *lvl;
+
+ if (!image->mt)
+ return;
+
+ lvl = &image->mt->levels[image->mtlevel];
image->base.Data = image->mt->bo->ptr + lvl->faces[image->mtface].offset;
image->base.RowStride = lvl->rowstride / image->mt->bpp;
@@ -969,7 +974,7 @@ int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *t
radeon_texture_image *image = get_radeon_texture_image(texObj->Image[face][level]);
if (RADEON_DEBUG & RADEON_TEXTURE)
fprintf(stderr, " face %i, level %i... %p vs %p ", face, level, t->mt, image->mt);
- if (t->mt == image->mt) {
+ if (t->mt == image->mt || (!image->mt && !image->base.Data)) {
if (RADEON_DEBUG & RADEON_TEXTURE)
fprintf(stderr, "OK\n");