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/*
* 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>
/**
* igt_fb_t:
* @fb_id: KMS ID of the framebuffer
* @fd: DRM device fd this framebuffer is created on
* @gem_handle: GEM handler of the underlying backing storage
* @is_dumb: Whether this framebuffer was allocated using the dumb buffer API
* @drm_format: DRM FOURCC code
* @width: width in pixels
* @height: height in pixels
* @stride: line stride in bytes
* @tiling: tiling mode as a DRM framebuffer modifier
* @size: size in bytes of the underlying backing storage
* @cairo_surface: optionally attached cairo drawing surface
* @domain: current domain for cache flushing tracking on i915.ko
*
* Tracking structure for KMS framebuffer objects.
*/
typedef 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 int stride;
uint64_t tiling;
unsigned int size;
cairo_surface_t *cairo_surface;
unsigned int domain;
} igt_fb_t;
/**
* igt_text_align:
* @align_left: align left
* @align_right: align right
* @align_bottom: align bottom
* @align_top: align top
* @align_vcenter: align vcenter
* @align_hcenter: align hcenter
*
* Alignment mode for text drawing using igt_cairo_printf_line().
*/
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_ret, unsigned *size_ret,
bool *is_dumb);
uint64_t igt_fb_mod_to_tiling(uint64_t modifier);
/* 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__ */
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