/* * GStreamer EGL/GLES Sink Adaptation * Copyright (C) 2012-2013 Collabora Ltd. * @author: Reynaldo H. Verdejo Pinochet * @author: Sebastian Dröge * @author: Thiago Santos * * 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 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. * * Alternatively, the contents of this file may be used under the * GNU Lesser General Public License Version 2.1 (the "LGPL"), in * which case the following provisions apply instead of the ones * mentioned above: * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_EGL_ADAPTATION_H__ #define __GST_EGL_ADAPTATION_H__ #include #include #include #include #include #include #define GST_EGLGLESSINK_EGL_MIN_VERSION 1 G_BEGIN_DECLS typedef struct _GstEglAdaptationContext GstEglAdaptationContext; typedef struct _GstEglGlesRenderContext GstEglGlesRenderContext; typedef struct _GstEglGlesImageFmt GstEglGlesImageFmt; typedef struct _coord5 { float x; float y; float z; float a; /* texpos x */ float b; /* texpos y */ } coord5; /* * GstEglGlesRenderContext: * @config: Current EGL config * @eglcontext: Current EGL context * @display: Current EGL display connection * @window: Current EGL window asociated with the display connection * @used_window: Last seen EGL window asociated with the display connection * @surface: EGL surface the sink is rendering into * @fragshader: Fragment shader * @vertshader: Vertex shader * @glslprogram: Compiled and linked GLSL program in use for rendering * @texture Texture units in use * @surface_width: Pixel width of the surface the sink is rendering into * @surface_height: Pixel height of the surface the sink is rendering into * @pixel_aspect_ratio: EGL display aspect ratio * @egl_minor: EGL version (minor) * @egl_major: EGL version (major) * @n_textures: Texture units count * @position_loc: Index of the position vertex attribute array * @texpos_loc: Index of the textpos vertex attribute array * @position_array: VBO position array * @texpos_array: VBO texpos array * @index_array: VBO index array * @position_buffer: Position buffer object name * @texpos_buffer: Texpos buffer object name * @index_buffer: Index buffer object name * * This struct holds the sink's EGL/GLES rendering context. */ struct _GstEglGlesRenderContext { EGLConfig config; EGLContext eglcontext; GstEGLDisplay *display, *set_display; EGLNativeWindowType window, used_window; EGLSurface surface; gboolean buffer_preserved; GLuint fragshader[3]; /* frame, border, frame-custom */ GLuint vertshader[3]; /* frame, border, frame-custom */ GLuint glslprogram[3]; /* frame, border, frame-custom */ GLuint texture[4]; /* RGB/Y, U/UV, V, custom */ EGLint surface_width; EGLint surface_height; EGLint pixel_aspect_ratio; EGLint egl_minor, egl_major; gint n_textures; /* shader vars */ GLuint position_loc[3]; /* frame, border, frame-custom */ GLuint texpos_loc[2]; /* frame, frame-custom */ GLuint tex_scale_loc[1][3]; /* [frame] RGB/Y, U/UV, V */ GLuint tex_loc[2][3]; /* [frame,frame-custom] RGB/Y, U/UV, V */ coord5 position_array[16]; /* 4 x Frame x-normal,y-normal, 4x Frame x-normal,y-flip, 4 x Border1, 4 x Border2 */ unsigned short index_array[4]; unsigned int position_buffer, index_buffer; }; /* * GstEglAdaptationContext: * @have_vbo: Set if the GLES VBO setup has been performed * @have_texture: Set if the GLES texture setup has been performed * @have_surface: Set if the EGL surface setup has been performed * * The #GstEglAdaptationContext data structure. */ struct _GstEglAdaptationContext { GstElement *element; GstEglGlesRenderContext eglglesctx; gboolean have_vbo; gboolean have_texture; gboolean have_surface; }; GstEglAdaptationContext * gst_egl_adaptation_context_new (GstElement * element); void gst_egl_adaptation_context_free (GstEglAdaptationContext * ctx); GstCaps *gst_egl_adaptation_fill_supported_fbuffer_configs (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_init_egl_display (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_choose_config (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_init_egl_surface (GstEglAdaptationContext * ctx, GstVideoFormat format); void gst_egl_adaptation_init_egl_exts (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_update_surface_dimensions (GstEglAdaptationContext * ctx); gboolean got_gl_error (const char *wtf); gboolean got_egl_error (const char *wtf); gboolean gst_egl_adaptation_context_make_current (GstEglAdaptationContext * ctx, gboolean bind); void gst_egl_adaptation_wipe_eglglesctx (GstEglAdaptationContext * ctx); G_END_DECLS #endif /* __GST_EGL_ADAPTATION_H__ */