r600g: get rid of the mask in r600_pipe_reg

[mesa.git] / src / gallium / drivers / llvmpipe / lp_texture.c

diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 9753da5e57e8e62663f5851cb5875c8436e4cc21..d86d493a0a21d4c594b071b8d81af369157348f6 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -163,6 +163,9 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
          lpr->num_slices_faces[level] = num_slices;
 
          lpr->layout[level] = alloc_layout_array(num_slices, width, height);
+         if (!lpr->layout[level]) {
+            goto fail;
+         }
       }
 
       /* Compute size of next mipmap level */
@@ -172,6 +175,15 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
    }
 
    return TRUE;
+
+fail:
+   for (level = 0; level <= pt->last_level; level++) {
+      if (lpr->layout[level]) {
+         FREE(lpr->layout[level]);
+      }
+   }
+
+   return FALSE;
 }
 
 
@@ -196,7 +208,9 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
    lpr->img_stride[0] = 0;
 
    lpr->layout[0] = alloc_layout_array(1, width, height);
-   //lpr->layout[0][0] = LP_TEX_LAYOUT_LINEAR;
+   if (!lpr->layout[0]) {
+      return FALSE;
+   }
 
    lpr->dt = winsys->displaytarget_create(winsys,
                                           lpr->base.bind,
@@ -437,13 +451,15 @@ llvmpipe_resource_from_handle(struct pipe_screen *screen,
                              struct winsys_handle *whandle)
 {
    struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
-   struct llvmpipe_resource *lpr = CALLOC_STRUCT(llvmpipe_resource);
+   struct llvmpipe_resource *lpr;
    unsigned width, height, width_t, height_t;
 
    /* XXX Seems like from_handled depth textures doesn't work that well */
 
-   if (!lpr)
-      return NULL;
+   lpr = CALLOC_STRUCT(llvmpipe_resource);
+   if (!lpr) {
+      goto no_lpr;
+   }
 
    lpr->base = *template;
    pipe_reference_init(&lpr->base.reference, 1);
@@ -472,12 +488,15 @@ llvmpipe_resource_from_handle(struct pipe_screen *screen,
                                                template,
                                                whandle,
                                                &lpr->row_stride[0]);
-   if (!lpr->dt)
-      goto fail;
+   if (!lpr->dt) {
+      goto no_dt;
+   }
 
    lpr->layout[0] = alloc_layout_array(1, lpr->base.width0, lpr->base.height0);
+   if (!lpr->layout[0]) {
+      goto no_layout_0;
+   }
 
-   assert(lpr->layout[0]);
    assert(lpr->layout[0][0] == LP_TEX_LAYOUT_NONE);
 
    lpr->id = id_counter++;
@@ -488,8 +507,11 @@ llvmpipe_resource_from_handle(struct pipe_screen *screen,
 
    return &lpr->base;
 
- fail:
+no_layout_0:
+   winsys->displaytarget_destroy(winsys, lpr->dt);
+no_dt:
    FREE(lpr);
+no_lpr:
    return NULL;
 }
 
@@ -565,6 +587,10 @@ llvmpipe_get_transfer(struct pipe_context *pipe,
    assert(resource);
    assert(level <= resource->last_level);
 
+   if (usage & PIPE_TRANSFER_MAP_PERMANENTLY) {
+      return NULL;
+   }
+
    /*
     * Transfers, like other pipe operations, must happen in order, so flush the
     * context if necessary.
@@ -575,7 +601,6 @@ llvmpipe_get_transfer(struct pipe_context *pipe,
       if (!llvmpipe_flush_resource(pipe, resource,
                                    level,
                                    box->depth > 1 ? -1 : box->z,
-                                   0, /* flush_flags */
                                    read_only,
                                    TRUE, /* cpu_access */
                                    do_not_block,
@@ -695,7 +720,7 @@ llvmpipe_transfer_unmap(struct pipe_context *pipe,
                            transfer->box.z);
 }
 
-static unsigned int
+unsigned int
 llvmpipe_is_resource_referenced( struct pipe_context *pipe,
                                  struct pipe_resource *presource,
                                  unsigned level, int layer)
@@ -703,7 +728,7 @@ llvmpipe_is_resource_referenced( struct pipe_context *pipe,
    struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
 
    if (presource->target == PIPE_BUFFER)
-      return PIPE_UNREFERENCED;
+      return LP_UNREFERENCED;
 
    return lp_setup_is_resource_referenced(llvmpipe->setup, presource);
 }
@@ -1401,7 +1426,6 @@ llvmpipe_init_context_resource_funcs(struct pipe_context *pipe)
    pipe->transfer_destroy = llvmpipe_transfer_destroy;
    pipe->transfer_map = llvmpipe_transfer_map;
    pipe->transfer_unmap = llvmpipe_transfer_unmap;
-   pipe->is_resource_referenced = llvmpipe_is_resource_referenced;
  
    pipe->transfer_flush_region = u_default_transfer_flush_region;
    pipe->transfer_inline_write = u_default_transfer_inline_write;