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lib: Add a helper to write a png from a struct kmstest_fb

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-09-06 18:22:53 +01:00
parent dac45f5f06
commit 79f4cfedbf
2 changed files with 12 additions and 0 deletions
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11
lib/drmtest.c
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@ -1648,6 +1648,17 @@ static cairo_t *create_cairo_ctx(int fd, struct kmstest_fb *fb)
return cr; return cr;
} }
void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename)
{
cairo_surface_t *surface;
cairo_status_t status;
surface = create_image_surface(fd, fb);
status = cairo_surface_write_to_png(surface, filename);
assert(status == CAIRO_STATUS_SUCCESS);
cairo_surface_destroy(surface);
}
cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb) cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb)
{ {

1
lib/drmtest.h
View File

@ -357,6 +357,7 @@ void kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
void kmstest_paint_test_pattern(cairo_t *cr, int width, int height); void kmstest_paint_test_pattern(cairo_t *cr, int width, int height);
void kmstest_paint_image(cairo_t *cr, const char *filename, void kmstest_paint_image(cairo_t *cr, const char *filename,
int dst_x, int dst_y, int dst_width, int dst_height); int dst_x, int dst_y, int dst_width, int dst_height);
void kmstest_write_fb(int fd, struct kmstest_fb *fb, const char *filename);
void kmstest_dump_mode(drmModeModeInfo *mode); void kmstest_dump_mode(drmModeModeInfo *mode);
int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id); int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
const char *kmstest_format_str(uint32_t drm_format); const char *kmstest_format_str(uint32_t drm_format);