llvmpipe: don't crash/assert on out of memory
Check for null pointers and return early, etc.
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249c6735dd
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3d6101245b
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@ -172,7 +172,8 @@ lp_rast_get_color_block_pointer(struct lp_rasterizer_task *task,
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assert((y % TILE_VECTOR_HEIGHT) == 0);
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color = task->color_tiles[buf];
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assert(color);
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if (!color)
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return NULL;
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px = x % TILE_SIZE;
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py = y % TILE_SIZE;
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@ -146,6 +146,7 @@ lp_resource_copy(struct pipe_context *pipe,
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subdst.level,
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LP_TEX_LAYOUT_LINEAR);
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if (dst_linear_ptr && src_linear_ptr) {
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util_copy_rect(dst_linear_ptr, format,
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llvmpipe_resource_stride(&dst_tex->base, subdst.level),
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dstx, dsty,
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@ -155,6 +156,7 @@ lp_resource_copy(struct pipe_context *pipe,
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srcx, srcy);
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}
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}
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}
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void
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@ -389,7 +389,6 @@ llvmpipe_resource_map(struct pipe_resource *resource,
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map = llvmpipe_get_texture_image(lpr, face + zslice, level,
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tex_usage, layout);
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assert(map);
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return map;
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}
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else {
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@ -1035,7 +1034,7 @@ llvmpipe_get_texture_image(struct llvmpipe_resource *lpr,
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layout_logic(cur_layout, layout, usage, &new_layout, &convert);
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if (convert) {
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if (convert && other_data && target_data) {
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if (layout == LP_TEX_LAYOUT_TILED) {
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lp_linear_to_tiled(other_data, target_data,
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x * TILE_SIZE, y * TILE_SIZE,
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@ -1067,8 +1066,6 @@ llvmpipe_get_texture_image(struct llvmpipe_resource *lpr,
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width_t, height_t, layout);
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}
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assert(target_data);
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return target_data;
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}
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@ -1187,13 +1184,16 @@ llvmpipe_get_texture_tile(struct llvmpipe_resource *lpr,
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cur_layout = llvmpipe_get_texture_tile_layout(lpr, face_slice, level, tx, ty);
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layout_logic(cur_layout, LP_TEX_LAYOUT_TILED, usage, &new_layout, &convert);
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if (convert) {
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if (convert && linear_image && tiled_image) {
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lp_linear_to_tiled(linear_image, tiled_image,
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x, y, TILE_SIZE, TILE_SIZE, lpr->base.format,
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lpr->row_stride[level],
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lpr->tiles_per_row[level]);
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}
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if (!tiled_image)
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return NULL;
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if (new_layout != cur_layout)
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llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty, new_layout);
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