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118 lines
3.6 KiB
118 lines
3.6 KiB
/*
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* Copyright © 2012 John Kåre Alsaker
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <stdint.h>
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#include "compositor.h"
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#ifdef ENABLE_EGL
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#else
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typedef int EGLint;
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typedef int EGLenum;
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typedef void *EGLDisplay;
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typedef void *EGLSurface;
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typedef void *EGLConfig;
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typedef intptr_t EGLNativeDisplayType;
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typedef intptr_t EGLNativeWindowType;
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#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
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#endif /* ENABLE_EGL */
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#define NO_EGL_PLATFORM 0
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enum gl_renderer_border_side {
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GL_RENDERER_BORDER_TOP = 0,
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GL_RENDERER_BORDER_LEFT = 1,
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GL_RENDERER_BORDER_RIGHT = 2,
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GL_RENDERER_BORDER_BOTTOM = 3,
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};
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struct gl_renderer_interface {
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const EGLint *opaque_attribs;
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const EGLint *alpha_attribs;
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int (*display_create)(struct weston_compositor *ec,
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EGLenum platform,
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void *native_window,
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const EGLint *platform_attribs,
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const EGLint *config_attribs,
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const EGLint *visual_id,
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const int n_ids);
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EGLDisplay (*display)(struct weston_compositor *ec);
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int (*output_window_create)(struct weston_output *output,
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EGLNativeWindowType window_for_legacy,
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void *window_for_platform,
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const EGLint *config_attribs,
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const EGLint *visual_id,
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const int n_ids);
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void (*output_destroy)(struct weston_output *output);
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EGLSurface (*output_surface)(struct weston_output *output);
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/* Sets the output border.
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*
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* The side specifies the side for which we are setting the border.
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* The width and height are the width and height of the border.
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* The tex_width patemeter specifies the width of the actual
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* texture; this may be larger than width if the data is not
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* tightly packed.
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*
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* The top and bottom textures will extend over the sides to the
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* full width of the bordered window. The right and left edges,
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* however, will extend only to the top and bottom of the
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* compositor surface. This is demonstrated by the picture below:
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*
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* +-----------------------+
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* | TOP |
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* +-+-------------------+-+
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* | | | |
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* |L| |R|
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* |E| |I|
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* |F| |G|
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* |T| |H|
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* | | |T|
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* | | | |
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* +-+-------------------+-+
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* | BOTTOM |
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* +-----------------------+
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*/
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void (*output_set_border)(struct weston_output *output,
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enum gl_renderer_border_side side,
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int32_t width, int32_t height,
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int32_t tex_width, unsigned char *data);
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void (*print_egl_error_state)(void);
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};
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