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d63413771f
If the caller is going to specify a custom size, it's likely that he will also specify a custom stride. The automatic stride picked by create_bo_for_fb() is too huge for tiled buffers, so if the caller wants smaller buffers, then he'll need a smaller stride too, otherwise the Kernel will reject the addfb IOCTL due to stride * height being bigger than the size. I want to make tests/kms_frontbuffer_tracking use igt_create_fb_with_bo_size() so I can provide smaller buffers that will fit into the CFB. I'm also planning to make all frontbuffers with the same width/height/format have the same stride and size regardless of tiling method so I can exercise specific code paths. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*
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* Copyright © 2013,2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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* Damien Lespiau <damien.lespiau@intel.com>
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*/
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#ifndef __IGT_FB_H__
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#define __IGT_FB_H__
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/* cairo is assumed available on linux. On Android we check for ANDROID_HAS_CAIRO */
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#if (!defined(ANDROID)) || (defined(ANDROID) && ANDROID_HAS_CAIRO)
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#include <cairo.h>
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#else
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typedef struct _cairo_surface cairo_surface_t;
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typedef struct _cairo cairo_t;
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#endif
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#include <stddef.h>
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#include <stdbool.h>
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#include <drm_fourcc.h>
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#include <xf86drmMode.h>
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#include <i915_drm.h>
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/* helpers to create nice-looking framebuffers */
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struct igt_fb {
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uint32_t fb_id;
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uint32_t gem_handle;
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uint32_t drm_format;
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int width;
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int height;
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unsigned stride;
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uint64_t tiling;
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unsigned size;
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cairo_surface_t *cairo_surface;
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uint32_t src_x;
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uint32_t src_y;
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uint32_t src_w;
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uint32_t src_h;
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};
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enum igt_text_align {
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align_left,
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align_bottom = align_left,
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align_right = 0x01,
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align_top = 0x02,
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align_vcenter = 0x04,
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align_hcenter = 0x08,
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};
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unsigned int
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igt_create_fb_with_bo_size(int fd, int width, int height,
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uint32_t format, uint64_t tiling,
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struct igt_fb *fb, unsigned bo_size,
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unsigned bo_stride);
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unsigned int igt_create_fb(int fd, int width, int height, uint32_t format,
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uint64_t tiling, struct igt_fb *fb);
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unsigned int igt_create_color_fb(int fd, int width, int height,
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uint32_t format, uint64_t tiling,
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double r, double g, double b,
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struct igt_fb *fb /* out */);
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unsigned int igt_create_stereo_fb(int drm_fd, drmModeModeInfo *mode,
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uint32_t format, uint64_t tiling);
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void igt_remove_fb(int fd, struct igt_fb *fb);
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/* cairo-based painting */
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cairo_t *igt_get_cairo_ctx(int fd, struct igt_fb *fb);
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void igt_paint_color(cairo_t *cr, int x, int y, int w, int h,
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double r, double g, double b);
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void igt_paint_color_alpha(cairo_t *cr, int x, int y, int w, int h,
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double r, double g, double b, double a);
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void igt_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
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int r, int g, int b);
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void igt_paint_test_pattern(cairo_t *cr, int width, int height);
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void igt_paint_image(cairo_t *cr, const char *filename,
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int dst_x, int dst_y, int dst_width, int dst_height);
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void igt_write_fb_to_png(int fd, struct igt_fb *fb, const char *filename);
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int igt_cairo_printf_line(cairo_t *cr, enum igt_text_align align,
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double yspacing, const char *fmt, ...)
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__attribute__((format (printf, 4, 5)));
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/* helpers to handle drm fourcc codes */
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uint32_t igt_bpp_depth_to_drm_format(int bpp, int depth);
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uint32_t igt_drm_format_to_bpp(uint32_t drm_format);
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const char *igt_format_str(uint32_t drm_format);
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void igt_get_all_formats(const uint32_t **formats, int *format_count);
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#endif /* __IGT_FB_H__ */
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