diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_memory.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_memory.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_memory.c b/src/gallium/drivers/llvmpipe/lp_memory.c new file mode 100644 index 0000000000..f2e41f3a71 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_memory.c @@ -0,0 +1,54 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "util/u_debug.h" +#include "lp_limits.h" +#include "lp_memory.h" + + +/** 32bpp RGBA dummy tile to use in out of memory conditions */ +static PIPE_ALIGN_VAR(16) uint8_t lp_dummy_tile[TILE_SIZE * TILE_SIZE * 4]; + +static unsigned lp_out_of_memory = 0; + + +uint8_t * +lp_get_dummy_tile(void) +{ + if (lp_out_of_memory++ < 10) { + debug_printf("llvmpipe: out of memory. Using dummy tile memory.\n"); + } + return lp_dummy_tile; +} + + +boolean +lp_is_dummy_tile(void *tile) +{ + return tile == lp_dummy_tile; +} + |