Cell: add a few null texture tests

diff --git a/src/mesa/pipe/cell/ppu/cell_state_emit.c b/src/mesa/pipe/cell/ppu/cell_state_emit.c
index 391ff45..7021844 100644 (file)
--- a/src/mesa/pipe/cell/ppu/cell_state_emit.c
+++ b/src/mesa/pipe/cell/ppu/cell_state_emit.c
@@ -74,9 +74,16 @@ cell_emit_state(struct cell_context *cell)
 
    if (cell->dirty & CELL_NEW_TEXTURE) {
       struct cell_command_texture texture;
-      texture.start = cell->texture[0]->tiled_data;
-      texture.width = cell->texture[0]->base.width[0];
-      texture.height = cell->texture[0]->base.height[0];
+      if (cell->texture[0]) {
+         texture.start = cell->texture[0]->tiled_data;
+         texture.width = cell->texture[0]->base.width[0];
+         texture.height = cell->texture[0]->base.height[0];
+      }
+      else {
+         texture.start = NULL;
+         texture.width = 0;
+         texture.height = 0;
+      }
 
       emit_state_cmd(cell, CELL_CMD_STATE_TEXTURE,
                      &texture, sizeof(struct cell_command_texture));

diff --git a/src/mesa/pipe/cell/ppu/cell_texture.c b/src/mesa/pipe/cell/ppu/cell_texture.c
index acbe4c7..2cf6022 100644 (file)
--- a/src/mesa/pipe/cell/ppu/cell_texture.c
+++ b/src/mesa/pipe/cell/ppu/cell_texture.c
@@ -234,7 +234,8 @@ cell_update_texture_mapping(struct cell_context *cell)
 {
    uint face = 0, level = 0, zslice = 0;
 
-   cell_tile_texture(cell, cell->texture[0]);
+   if (cell->texture[0])
+      cell_tile_texture(cell, cell->texture[0]);
 #if 0
    if (cell->tex_surf && cell->tex_map) {
       pipe_surface_unmap(cell->tex_surf);