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eglglessink: refactor egl functions/data to a separate file

Browse source 
This is part of the changes required to make
eglglessink work with both EGL and Apple's EAGL
This commit is contained in:
Thiago Santos 2013-04-10 14:53:48 -03:00
parent 0f10fb622e
commit 0fafdf8db1
5 changed files with 1421 additions and 1266 deletions
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4
ext/eglgles/Makefile.am
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@ -1,6 +1,6 @@
plugin_LTLIBRARIES = libgsteglglessink.la
libgsteglglessink_la_SOURCES = gsteglglessink.c video_platform_wrapper.c
libgsteglglessink_la_SOURCES = gsteglglessink.c gstegladaptation.c video_platform_wrapper.c
libgsteglglessink_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
@ -17,4 +17,4 @@ libgsteglglessink_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) \
libgsteglglessink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgsteglglessink_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
noinst_HEADERS = gsteglglessink.h video_platform_wrapper.h
noinst_HEADERS = gsteglglessink.h gstegladaptation.h video_platform_wrapper.h

1011
ext/eglgles/gstegladaptation.c Normal file
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168
ext/eglgles/gstegladaptation.h Normal file
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@ -0,0 +1,168 @@
/*
* GStreamer EGL/GLES Sink Adaptation
* Copyright (C) 2012-2013 Collabora Ltd.
* @author: Reynaldo H. Verdejo Pinochet <reynaldo@collabora.com>
* @author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* @author: Thiago Santos <thiago.sousa.santos@collabora.com>
*
* 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 <gst/gst.h>
#include <gst/egl/egl.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#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__ */

1424
ext/eglgles/gsteglglessink.c
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80
ext/eglgles/gsteglglessink.h
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@ -58,6 +58,7 @@
#include <GLES2/gl2ext.h>
#include "video_platform_wrapper.h"
#include "gstegladaptation.h"
G_BEGIN_DECLS
#define GST_TYPE_EGLGLESSINK \
@ -71,78 +72,8 @@ G_BEGIN_DECLS
#define GST_IS_EGLGLESSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EGLGLESSINK))
#define GST_EGLGLESSINK_EGL_MIN_VERSION 1
typedef struct _GstEglGlesSink GstEglGlesSink;
typedef struct _GstEglGlesSinkClass GstEglGlesSinkClass;
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;
};
/*
* GstEglGlesSink:
@ -155,9 +86,6 @@ struct _GstEglGlesRenderContext
* @flow_lock: Simple concurrent access ward to the sink's runtime state
* @have_window: Set if the sink has access to a window to hold it's canvas
* @using_own_window: Set if the sink created its own window
* @have_surface: Set if the EGL surface setup has been performed
* @have_vbo: Set if the GLES VBO setup has been performed
* @have_texture: Set if the GLES texture setup has been performed
* @egl_started: Set if the whole EGL setup has been performed
* @create_window: Property value holder to allow/forbid internal window creation
* @force_rendering_slow: Property value holder to force slow rendering path
@ -188,14 +116,12 @@ struct _GstEglGlesSink
gboolean custom_format; /* If it's a single texture that is just copied */
GstBufferPool *pool;
GstEglGlesRenderContext eglglesctx;
GstEglGlesRenderContext *eglglesctx;
GstEglAdaptationContext *egl_context;
/* Runtime flags */
gboolean have_window;
gboolean using_own_window;
gboolean have_surface;;
gboolean have_vbo;
gboolean have_texture;
gboolean egl_started;
gpointer own_window_data;