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-rw-r--r--src/mesa/state_tracker/st_cb_texture.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 22a58517fc7..3e504965fc0 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -456,21 +456,42 @@ guess_and_alloc_texture(struct st_context *st,
struct st_texture_object *stObj,
const struct st_texture_image *stImage)
{
+ const struct gl_texture_image *firstImage;
GLuint lastLevel, width, height, depth;
GLuint bindings;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
enum pipe_format fmt;
+ bool guessed_box = false;
DBG("%s\n", __func__);
assert(!stObj->pt);
- if (!guess_base_level_size(stObj->base.Target,
- stImage->base.Width2,
- stImage->base.Height2,
- stImage->base.Depth2,
- stImage->base.Level,
- &width, &height, &depth)) {
+ /* If a base level image with compatible size exists, use that as our guess.
+ */
+ firstImage = _mesa_base_tex_image(&stObj->base);
+ if (firstImage &&
+ guess_base_level_size(stObj->base.Target,
+ firstImage->Width2,
+ firstImage->Height2,
+ firstImage->Depth2,
+ firstImage->Level,
+ &width, &height, &depth)) {
+ if (stImage->base.Width2 == u_minify(width, stImage->base.Level) &&
+ stImage->base.Height2 == u_minify(height, stImage->base.Level) &&
+ stImage->base.Depth2 == u_minify(depth, stImage->base.Level))
+ guessed_box = true;
+ }
+
+ if (!guessed_box)
+ guessed_box = guess_base_level_size(stObj->base.Target,
+ stImage->base.Width2,
+ stImage->base.Height2,
+ stImage->base.Depth2,
+ stImage->base.Level,
+ &width, &height, &depth);
+
+ if (!guessed_box) {
/* we can't determine the image size at level=0 */
/* this is not an out of memory error */
return GL_TRUE;