From f3048ad90ed2e4583f0f7aaf35a0f4aa581942dd Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 13 Aug 2008 14:59:48 -0600 Subject: [PATCH] gallium: in fallback_copy_texsubimage() create new tex surface for CPU read access Was trying to use the strb->surface but it's made for GPU read/write only. --- src/mesa/state_tracker/st_cb_texture.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index 147ca5b1a2f..fceb260d708 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -933,7 +933,12 @@ fallback_copy_texsubimage(GLcontext *ctx, struct pipe_texture *pt = stImage->pt; struct pipe_surface *src_surf, *dest_surf; - src_surf = strb->surface; + /* We'd use strb->surface, here but it's created for GPU read/write only */ + src_surf = pipe->screen->get_tex_surface( pipe->screen, + strb->texture, + 0, 0, 0, + PIPE_BUFFER_USAGE_CPU_READ); + dest_surf = screen->get_tex_surface(screen, pt, face, level, destZ, PIPE_BUFFER_USAGE_CPU_WRITE); @@ -1016,6 +1021,7 @@ fallback_copy_texsubimage(GLcontext *ctx, } screen->tex_surface_release(screen, &dest_surf); + screen->tex_surface_release(screen, &src_surf); } -- 2.30.2