diff options
Diffstat (limited to 'src/gallium/drivers/trace/tr_buffer.c')
-rw-r--r-- | src/gallium/drivers/trace/tr_buffer.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/gallium/drivers/trace/tr_buffer.c b/src/gallium/drivers/trace/tr_buffer.c new file mode 100644 index 00000000000..6ffce1660ec --- /dev/null +++ b/src/gallium/drivers/trace/tr_buffer.c @@ -0,0 +1,70 @@ +/************************************************************************** + * + * Copyright 2009 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 TUNGSTEN GRAPHICS 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_memory.h" + +#include "tr_buffer.h" + + +struct pipe_buffer * +trace_buffer_create(struct trace_screen *tr_scr, + struct pipe_buffer *buffer) +{ + struct trace_buffer *tr_buf; + + if(!buffer) + goto error; + + assert(buffer->screen == tr_scr->screen); + + tr_buf = CALLOC_STRUCT(trace_buffer); + if(!tr_buf) + goto error; + + memcpy(&tr_buf->base, buffer, sizeof(struct pipe_buffer)); + + pipe_reference_init(&tr_buf->base.reference, 1); + tr_buf->base.screen = &tr_scr->base; + tr_buf->buffer = buffer; + + return &tr_buf->base; + +error: + pipe_buffer_reference(&buffer, NULL); + return NULL; +} + + +void +trace_buffer_destroy(struct trace_screen *tr_scr, + struct pipe_buffer *buffer) +{ + struct trace_buffer *tr_buf = trace_buffer(tr_scr, buffer); + pipe_buffer_reference(&tr_buf->buffer, NULL); + FREE(tr_buf); +} |