summaryrefslogtreecommitdiff
path: root/lib/igt_fb.h
blob: ce2cc0f74b8c0d9aacae8d38809956260df92aa4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * 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;
	int fd;
	uint32_t gem_handle;
	bool is_dumb;
	uint32_t drm_format;
	int width;
	int height;
	unsigned stride;
	uint64_t tiling;
	unsigned size;
	cairo_surface_t *cairo_surface;
	unsigned domain;
};

enum igt_text_align {
	align_left,
	align_bottom	= align_left,
	align_right	= 0x01,
	align_top	= 0x02,
	align_vcenter	= 0x04,
	align_hcenter	= 0x08,
};

void igt_calc_fb_size(int fd, int width, int height, int bpp, uint64_t tiling,
		      unsigned *size_ret, unsigned *stride_ret);
unsigned int
igt_create_fb_with_bo_size(int fd, int width, int height,
			   uint32_t format, uint64_t tiling,
			   struct igt_fb *fb, unsigned bo_size,
			   unsigned bo_stride);
unsigned int igt_create_fb(int fd, int width, int height, uint32_t format,
			   uint64_t tiling, struct igt_fb *fb);
unsigned int igt_create_color_fb(int fd, int width, int height,
				 uint32_t format, uint64_t tiling,
				 double r, double g, double b,
				 struct igt_fb *fb /* out */);
unsigned int igt_create_pattern_fb(int fd, int width, int height,
				   uint32_t format, uint64_t tiling,
				   struct igt_fb *fb /* out */);
unsigned int igt_create_color_pattern_fb(int fd, int width, int height,
					 uint32_t format, uint64_t tiling,
					 double r, double g, double b,
					 struct igt_fb *fb /* out */);
unsigned int igt_create_image_fb(int drm_fd,  int width, int height,
				 uint32_t format, uint64_t tiling,
				 const char *filename,
				 struct igt_fb *fb /* out */);
unsigned int igt_create_stereo_fb(int drm_fd, drmModeModeInfo *mode,
				  uint32_t format, uint64_t tiling);
void igt_remove_fb(int fd, struct igt_fb *fb);
int igt_dirty_fb(int fd, struct igt_fb *fb);

int igt_create_bo_with_dimensions(int fd, int width, int height, uint32_t format,
				  uint64_t modifier, unsigned stride,
				  unsigned *stride_out, unsigned *size_out,
				  bool *is_dumb);

/* 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_color_gradient_range(cairo_t *cr, int x, int y, int w, int h,
				    double sr, double sg, double sb,
				    double er, double eg, double eb);
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_cairo_formats(const uint32_t **formats, int *format_count);

#endif /* __IGT_FB_H__ */