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-rw-r--r--src/mesa/state_tracker/st_cb_texture.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index c2011daa8e7..d66791e71e0 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -609,8 +609,7 @@ decompress_with_blit(struct gl_context * ctx,
struct pipe_context *pipe = st->pipe;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
- struct pipe_sampler_view *src_view =
- st_get_texture_sampler_view(stObj, pipe);
+ struct pipe_sampler_view *src_view;
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
struct pipe_surface *dst_surface;
@@ -632,8 +631,21 @@ decompress_with_blit(struct gl_context * ctx,
pipe->render_condition(pipe, NULL, 0);
}
- /* Choose the source mipmap level */
- src_view->u.tex.first_level = src_view->u.tex.last_level = texImage->Level;
+ /* Create sampler view that limits fetches to the source mipmap level */
+ {
+ struct pipe_sampler_view sv_temp;
+
+ u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format);
+
+ sv_temp.u.tex.first_level =
+ sv_temp.u.tex.last_level = texImage->Level;
+
+ src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp);
+ if (!src_view) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+ }
/* blit/render/decompress */
util_blit_pixels_tex(st->blit,
@@ -702,6 +714,8 @@ decompress_with_blit(struct gl_context * ctx,
/* destroy the temp / dest surface */
util_destroy_rgba_surface(dst_texture, dst_surface);
+
+ pipe_sampler_view_reference(&src_view, NULL);
}