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lib: Add a function to dump a scratch buf into a png

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-10-22 14:18:26 +01:00
parent 13ebe3c014
commit c3707ab387
3 changed files with 52 additions and 0 deletions
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1
lib/Makefile.am
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@ -32,6 +32,7 @@ libintel_tools_la_SOURCES = \
rendercopy_gen6.c \
rendercopy_gen7.c \
rendercopy.h \
rendercopy.c \
intel_reg_map.c \
intel_dpio.c \
intel_iosf.c \

49
lib/rendercopy.c Normal file
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@ -0,0 +1,49 @@
/*
* Copyright © 2013 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Damien Lespiau <damien.lespiau@intel.com>
*/
#include <cairo.h>
#include "rendercopy.h"
void scratch_buf_write_to_png(struct scratch_buf *buf, const char *filename)
{
cairo_surface_t *surface;
cairo_status_t ret;
drm_intel_bo_map(buf->bo, 0);
surface = cairo_image_surface_create_for_data(buf->bo->virtual,
CAIRO_FORMAT_RGB24,
buf_width(buf),
buf_height(buf),
buf->stride);
ret = cairo_surface_write_to_png(surface, filename);
if (ret != CAIRO_STATUS_SUCCESS) {
fprintf(stderr, "%s: %s\n", __func__,
cairo_status_to_string(ret));
}
cairo_surface_destroy(surface);
drm_intel_bo_unmap(buf->bo);
}

2
lib/rendercopy.h
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@ -85,4 +85,6 @@ void gen2_render_copyfunc(struct intel_batchbuffer *batch,
unsigned width, unsigned height,
struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
void scratch_buf_write_to_png(struct scratch_buf *buf, const char *filename);
#endif /* RENDERCOPY_H */