diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_bitmap.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c index 31ff1f74c06..8709633557c 100644 --- a/src/mesa/state_tracker/st_cb_bitmap.c +++ b/src/mesa/state_tracker/st_cb_bitmap.c @@ -573,8 +573,10 @@ reset_cache(struct st_context *st) cache->ymin = 1000000; cache->ymax = -1000000; - if (cache->trans) + if (cache->trans) { screen->tex_transfer_destroy(cache->trans); + cache->trans = NULL; + } assert(!cache->texture); @@ -584,6 +586,18 @@ reset_cache(struct st_context *st) BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, 1, PIPE_TEXTURE_USAGE_SAMPLER); +} + +static void +create_cache_trans(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + struct bitmap_cache *cache = st->bitmap.cache; + + if (cache->trans) + return; + /* Map the texture transfer. * Subsequent glBitmap calls will write into the texture image. */ @@ -622,11 +636,13 @@ st_flush_bitmap_cache(struct st_context *st) /* The texture transfer has been mapped until now. * So unmap and release the texture transfer before drawing. */ - screen->transfer_unmap(screen, cache->trans); - cache->buffer = NULL; + if (cache->trans) { + screen->transfer_unmap(screen, cache->trans); + cache->buffer = NULL; - screen->tex_transfer_destroy(cache->trans); - cache->trans = NULL; + screen->tex_transfer_destroy(cache->trans); + cache->trans = NULL; + } draw_bitmap_quad(st->ctx, cache->xpos, @@ -711,6 +727,9 @@ accum_bitmap(struct st_context *st, if (y + height > cache->ymax) cache->ymax = y + height; + /* create the transfer if needed */ + create_cache_trans(st); + unpack_bitmap(st, px, py, width, height, unpack, bitmap, cache->buffer, BITMAP_CACHE_WIDTH); @@ -823,8 +842,7 @@ st_destroy_bitmap(struct st_context *st) struct pipe_screen *screen = pipe->screen; struct bitmap_cache *cache = st->bitmap.cache; - screen->transfer_unmap(screen, cache->trans); - screen->tex_transfer_destroy(cache->trans); + if (st->bitmap.vs) { cso_delete_vertex_shader(st->cso_context, st->bitmap.vs); @@ -836,7 +854,11 @@ st_destroy_bitmap(struct st_context *st) st->bitmap.vbuf = NULL; } - if (st->bitmap.cache) { + if (cache) { + if (cache->trans) { + screen->transfer_unmap(screen, cache->trans); + screen->tex_transfer_destroy(cache->trans); + } pipe_texture_reference(&st->bitmap.cache->texture, NULL); _mesa_free(st->bitmap.cache); st->bitmap.cache = NULL; |