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Diffstat (limited to 'lib/igt_fb.h')
-rw-r--r-- | lib/igt_fb.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/lib/igt_fb.h b/lib/igt_fb.h new file mode 100644 index 0000000..d9fb6bb --- /dev/null +++ b/lib/igt_fb.h @@ -0,0 +1,105 @@ +/* + * Copyright © 2013,2014 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: + * Daniel Vetter <daniel.vetter@ffwll.ch> + * Damien Lespiau <damien.lespiau@intel.com> + */ + +#ifndef __IGT_FB_H__ +#define __IGT_FB_H__ + +/* cairo is assumed available on linux. On Android we check for ANDROID_HAS_CAIRO */ +#if (!defined(ANDROID)) || (defined(ANDROID) && ANDROID_HAS_CAIRO) +#include <cairo.h> +#else +typedef struct _cairo_surface cairo_surface_t; +typedef struct _cairo cairo_t; +#endif + +#include <stddef.h> +#include <stdbool.h> +#include <drm_fourcc.h> +#include <xf86drmMode.h> + +#include <i915_drm.h> + +/* helpers to create nice-looking framebuffers */ +struct igt_fb { + uint32_t fb_id; + uint32_t gem_handle; + uint32_t drm_format; + int width; + int height; + unsigned stride; + unsigned tiling; + unsigned size; + cairo_surface_t *cairo_surface; +}; + +enum igt_text_align { + align_left, + align_bottom = align_left, + align_right = 0x01, + align_top = 0x02, + align_vcenter = 0x04, + align_hcenter = 0x08, +}; + +unsigned int +igt_create_fb_with_bo_size(int fd, int width, int height, + uint32_t format, unsigned int tiling, + struct igt_fb *fb, unsigned bo_size); +unsigned int igt_create_fb(int fd, int width, int height, uint32_t format, + unsigned int tiling, struct igt_fb *fb); +unsigned int igt_create_color_fb(int fd, int width, int height, + uint32_t format, unsigned int tiling, + double r, double g, double b, + struct igt_fb *fb /* out */); +unsigned int igt_create_stereo_fb(int drm_fd, drmModeModeInfo *mode, + uint32_t format, unsigned int tiling); +void igt_remove_fb(int fd, struct igt_fb *fb); + +/* cairo-based painting */ +cairo_t *igt_get_cairo_ctx(int fd, struct igt_fb *fb); +void igt_paint_color(cairo_t *cr, int x, int y, int w, int h, + double r, double g, double b); +void igt_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h, + double r, double g, double b, double a); +void igt_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h, + int r, int g, int b); +void igt_paint_test_pattern(cairo_t *cr, int width, int height); +void igt_paint_image(cairo_t *cr, const char *filename, + int dst_x, int dst_y, int dst_width, int dst_height); +void igt_write_fb_to_png(int fd, struct igt_fb *fb, const char *filename); +int igt_cairo_printf_line(cairo_t *cr, enum igt_text_align align, + double yspacing, const char *fmt, ...) + __attribute__((format (printf, 4, 5))); + +/* helpers to handle drm fourcc codes */ +uint32_t igt_bpp_depth_to_drm_format(int bpp, int depth); +uint32_t igt_drm_format_to_bpp(uint32_t drm_format); +const char *igt_format_str(uint32_t drm_format); +void igt_get_all_formats(const uint32_t **formats, int *format_count); + +#endif /* __IGT_FB_H__ */ + |