/*****************************************************************************
- * opengl.c: OpenGL video output
+ * opengl.c: OpenGL and OpenGL ES output common code
*****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
- * $Id$
+ * Copyright (C) 2004-2011 VLC authors and VideoLAN
+ * Copyright (C) 2009, 2011 Laurent Aimar
*
* Authors: Cyril Deguet <asmax@videolan.org>
* Gildas Bazin <gbazin@videolan.org>
* Eric Petit <titer@m0k.org>
* Cedric Cocquebert <cedric.cocquebert@supelec.fr>
+ * Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#include <errno.h> /* ENOMEM */
-
#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
+#include <vlc_picture_pool.h>
+#include <vlc_subpicture.h>
+#include <vlc_opengl.h>
+
+#include "opengl.h"
+// Define USE_OPENGL_ES to the GL ES Version you want to select
#ifdef __APPLE__
-# include <OpenGL/gl.h>
-# include <OpenGL/glext.h>
-#else
-# include <GL/gl.h>
+# define PFNGLGENPROGRAMSARBPROC typeof(glGenProgramsARB)*
+# define PFNGLBINDPROGRAMARBPROC typeof(glBindProgramARB)*
+# define PFNGLPROGRAMSTRINGARBPROC typeof(glProgramStringARB)*
+# define PFNGLDELETEPROGRAMSARBPROC typeof(glDeleteProgramsARB)*
+# define PFNGLPROGRAMLOCALPARAMETER4FVARBPROC typeof(glProgramLocalParameter4fvARB)*
+# define PFNGLACTIVETEXTUREARBPROC typeof(glActiveTextureARB)*
+# define PFNGLMULTITEXCOORD2FARBPROC typeof(glMultiTexCoord2fARB)*
#endif
-#ifndef YCBCR_MESA
-# define YCBCR_MESA 0x8757
-#endif
-#ifndef UNSIGNED_SHORT_8_8_MESA
-# define UNSIGNED_SHORT_8_8_MESA 0x85BA
-#endif
/* RV16 */
#ifndef GL_UNSIGNED_SHORT_5_6_5
# define GL_UNSIGNED_SHORT_5_6_5 0x8363
# define GL_CLAMP_TO_EDGE 0x812F
#endif
-#ifdef __APPLE__
-/* On OS X, use GL_TEXTURE_RECTANGLE_EXT instead of GL_TEXTURE_2D.
- This allows sizes which are not powers of 2 */
-# define VLCGL_TARGET GL_TEXTURE_RECTANGLE_EXT
-
-/* OS X OpenGL supports YUV. Hehe. */
-# define VLCGL_FORMAT GL_YCBCR_422_APPLE
-# define VLCGL_TYPE GL_UNSIGNED_SHORT_8_8_APPLE
+#if USE_OPENGL_ES
+# define VLCGL_TEXTURE_COUNT 1
+# define VLCGL_PICTURE_MAX 1
#else
+# define VLCGL_TEXTURE_COUNT 1
+# define VLCGL_PICTURE_MAX 128
+#endif
-# define VLCGL_TARGET GL_TEXTURE_2D
+static const vlc_fourcc_t gl_subpicture_chromas[] = {
+ VLC_CODEC_RGBA,
+ 0
+};
-/* RV32 */
-# define VLCGL_RGB_FORMAT GL_RGBA
-# define VLCGL_RGB_TYPE GL_UNSIGNED_BYTE
+typedef struct {
+ GLuint texture;
+ unsigned format;
+ unsigned type;
+ unsigned width;
+ unsigned height;
-/* YUY2 */
-# define VLCGL_YUV_FORMAT YCBCR_MESA
-# define VLCGL_YUV_TYPE UNSIGNED_SHORT_8_8_MESA
+ float alpha;
-/* Use RGB on Win32/GLX */
-# define VLCGL_FORMAT VLCGL_RGB_FORMAT
-# define VLCGL_TYPE VLCGL_RGB_TYPE
-#endif
+ float top;
+ float left;
+ float bottom;
+ float right;
+} gl_region_t;
+struct vout_display_opengl_t {
+ vlc_gl_t *gl;
-/*****************************************************************************
- * Vout interface
- *****************************************************************************/
-static int CreateVout ( vlc_object_t * );
-static void DestroyVout ( vlc_object_t * );
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static int Manage ( vout_thread_t * );
-static void Render ( vout_thread_t *, picture_t * );
-static void DisplayVideo ( vout_thread_t *, picture_t * );
-static int Control ( vout_thread_t *, int, va_list );
-
-static inline int GetAlignedSize( int );
-
-static int InitTextures ( vout_thread_t * );
-static int SendEvents ( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-
-#define PROVIDER_TEXT N_("OpenGL Provider")
-#define PROVIDER_LONGTEXT N_("Allows you to modify what OpenGL provider should be used")
-
-vlc_module_begin ()
- set_shortname( "OpenGL" )
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_VOUT )
- set_description( N_("OpenGL video output") )
-#ifdef __APPLE__
- set_capability( "video output", 200 )
-#else
- set_capability( "video output", 20 )
-#endif
- add_shortcut( "opengl" )
- /* Allow opengl provider plugin selection */
- add_module( "opengl-provider", "opengl provider", NULL, NULL,
- PROVIDER_TEXT, PROVIDER_LONGTEXT, true )
- set_callbacks( CreateVout, DestroyVout )
-vlc_module_end ()
+ video_format_t fmt;
+ const vlc_chroma_description_t *chroma;
+
+ int tex_target;
+ int tex_format;
+ int tex_internal;
+ int tex_type;
+
+ int tex_width[PICTURE_PLANE_MAX];
+ int tex_height[PICTURE_PLANE_MAX];
+
+ GLuint texture[VLCGL_TEXTURE_COUNT][PICTURE_PLANE_MAX];
+
+ int region_count;
+ gl_region_t *region;
-/*****************************************************************************
- * vout_sys_t: video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the OpenGL specific properties of the output thread.
- *****************************************************************************/
-struct vout_sys_t
-{
- vout_thread_t *p_vout;
- uint8_t *pp_buffer[2];
- int i_index;
- int i_tex_width;
- int i_tex_height;
- GLuint p_textures[2];
+ picture_pool_t *pool;
+
+ GLuint program;
+ int local_count;
+ GLfloat local_value[16][4];
+
+ /* fragment_program */
+ PFNGLGENPROGRAMSARBPROC GenProgramsARB;
+ PFNGLBINDPROGRAMARBPROC BindProgramARB;
+ PFNGLPROGRAMSTRINGARBPROC ProgramStringARB;
+ PFNGLDELETEPROGRAMSARBPROC DeleteProgramsARB;
+ PFNGLPROGRAMLOCALPARAMETER4FVARBPROC ProgramLocalParameter4fvARB;
+
+ /* multitexture */
+ bool use_multitexture;
+ PFNGLACTIVETEXTUREARBPROC ActiveTextureARB;
+ PFNGLMULTITEXCOORD2FARBPROC MultiTexCoord2fARB;
};
-/*****************************************************************************
- * CreateVout: This function allocates and initializes the OpenGL vout method.
- *****************************************************************************/
-static int CreateVout( vlc_object_t *p_this )
+static inline int GetAlignedSize(unsigned size)
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys;
- char * psz;
+ /* Return the smallest larger or equal power of 2 */
+ unsigned align = 1 << (8 * sizeof (unsigned) - clz(size));
+ return ((align >> 1) == size) ? size : align;
+}
- /* Allocate structure */
- p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_sys == NULL )
- return VLC_ENOMEM;
+static bool IsLuminance16Supported(int target)
+{
+ GLuint texture;
- p_sys->i_index = 0;
-#ifdef __APPLE__
- p_sys->i_tex_width = p_vout->fmt_in.i_width;
- p_sys->i_tex_height = p_vout->fmt_in.i_height;
-#else
- /* A texture must have a size aligned on a power of 2 */
- p_sys->i_tex_width = GetAlignedSize( p_vout->fmt_in.i_width );
- p_sys->i_tex_height = GetAlignedSize( p_vout->fmt_in.i_height );
-#endif
+ glGenTextures(1, &texture);
+ glBindTexture(target, texture);
+ glTexImage2D(target, 0, GL_LUMINANCE16,
+ 64, 64, 0, GL_LUMINANCE, GL_UNSIGNED_SHORT, NULL);
+ GLint size = 0;
+ glGetTexLevelParameteriv(target, 0, GL_TEXTURE_LUMINANCE_SIZE, &size);
- msg_Dbg( p_vout, "Texture size: %dx%d", p_sys->i_tex_width,
- p_sys->i_tex_height );
+ glDeleteTextures(1, &texture);
- /* Get window */
- p_sys->p_vout =
- (vout_thread_t *)vlc_object_create( p_this, sizeof( vout_thread_t ) );
- if( p_sys->p_vout == NULL )
- {
- free( p_sys );
- return VLC_ENOMEM;
- }
- vlc_object_attach( p_sys->p_vout, p_this );
-
- p_sys->p_vout->i_window_width = p_vout->i_window_width;
- p_sys->p_vout->i_window_height = p_vout->i_window_height;
- p_sys->p_vout->b_fullscreen = p_vout->b_fullscreen;
- p_sys->p_vout->render.i_width = p_vout->render.i_width;
- p_sys->p_vout->render.i_height = p_vout->render.i_height;
- p_sys->p_vout->render.i_aspect = p_vout->render.i_aspect;
- p_sys->p_vout->fmt_render = p_vout->fmt_render;
- p_sys->p_vout->fmt_in = p_vout->fmt_in;
- p_sys->p_vout->b_autoscale = p_vout->b_autoscale;
- p_sys->p_vout->i_zoom = p_vout->i_zoom;
- p_sys->p_vout->i_alignment = p_vout->i_alignment;
- var_Create( p_sys->p_vout, "video-deco",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
-
- /* Forward events from the opengl provider */
- var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
- var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_BOOL );
- var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "video-on-top",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_sys->p_vout, "autoscale",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_sys->p_vout, "scale",
- VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
-
- var_AddCallback( p_sys->p_vout, "mouse-x", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-y", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-moved", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-clicked", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "mouse-button-down", SendEvents, p_vout );
- var_AddCallback( p_sys->p_vout, "video-on-top", SendEvents, p_vout );
- var_AddCallback( p_vout, "autoscale", SendEvents, p_sys->p_vout );
- var_AddCallback( p_vout, "scale", SendEvents, p_sys->p_vout );
-
- psz = var_CreateGetString( p_vout, "opengl-provider" );
- p_sys->p_vout->p_module =
- module_need( p_sys->p_vout, "opengl provider", psz, false );
- free( psz );
- if( p_sys->p_vout->p_module == NULL )
- {
- msg_Warn( p_vout, "No OpenGL provider found" );
- vlc_object_detach( p_sys->p_vout );
- /* no need for var_DelCallback here :-) */
- vlc_object_release( p_sys->p_vout );
- free( p_sys );
- return VLC_ENOOBJ;
+ return size == 16;
+}
+
+vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
+ const vlc_fourcc_t **subpicture_chromas,
+ vlc_gl_t *gl)
+{
+ vout_display_opengl_t *vgl = calloc(1, sizeof(*vgl));
+ if (!vgl)
+ return NULL;
+
+ vgl->gl = gl;
+ if (vlc_gl_Lock(vgl->gl)) {
+ free(vgl);
+ return NULL;
}
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = Manage;
- p_vout->pf_render = Render;
- p_vout->pf_display = DisplayVideo;
- p_vout->pf_control = Control;
+ const char *extensions = (const char *)glGetString(GL_EXTENSIONS);
+
+ /* Load extensions */
+ bool supports_fp = false;
+ if (HasExtension(extensions, "GL_ARB_fragment_program")) {
+#if !defined(MACOS_OPENGL)
+ vgl->GenProgramsARB = (PFNGLGENPROGRAMSARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glGenProgramsARB");
+ vgl->BindProgramARB = (PFNGLBINDPROGRAMARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glBindProgramARB");
+ vgl->ProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glProgramStringARB");
+ vgl->DeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glDeleteProgramsARB");
+ vgl->ProgramLocalParameter4fvARB = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glProgramLocalParameter4fvARB");
+#else
+ vgl->GenProgramsARB = glGenProgramsARB;
+ vgl->BindProgramARB = glBindProgramARB;
+ vgl->ProgramStringARB = glProgramStringARB;
+ vgl->DeleteProgramsARB = glDeleteProgramsARB;
+ vgl->ProgramLocalParameter4fvARB = glProgramLocalParameter4fvARB;
+#endif
+ supports_fp = vgl->GenProgramsARB &&
+ vgl->BindProgramARB &&
+ vgl->ProgramStringARB &&
+ vgl->DeleteProgramsARB &&
+ vgl->ProgramLocalParameter4fvARB;
+ }
- return VLC_SUCCESS;
-}
+ bool supports_multitexture = false;
+ GLint max_texture_units = 0;
+ if (HasExtension(extensions, "GL_ARB_multitexture")) {
+#if !defined(MACOS_OPENGL)
+ vgl->ActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glActiveTextureARB");
+ vgl->MultiTexCoord2fARB = (PFNGLMULTITEXCOORD2FARBPROC)vlc_gl_GetProcAddress(vgl->gl, "glMultiTexCoord2fARB");
+#else
+ vgl->ActiveTextureARB = glActiveTextureARB;
+ vgl->MultiTexCoord2fARB = glMultiTexCoord2fARB;
+#endif
+ supports_multitexture = vgl->ActiveTextureARB &&
+ vgl->MultiTexCoord2fARB;
+ if (supports_multitexture)
+ glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &max_texture_units);
+ }
-/*****************************************************************************
- * Init: initialize the OpenGL video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_pixel_pitch;
-
- p_sys->p_vout->pf_init( p_sys->p_vout );
-
-/* TODO: We use YCbCr on Mac which is Y422, but on OSX it seems to == YUY2. Verify */
-#if ( defined( WORDS_BIGENDIAN ) && VLCGL_FORMAT == GL_YCBCR_422_APPLE ) || (VLCGL_FORMAT == YCBCR_MESA)
- p_vout->output.i_chroma = VLC_CODEC_YUYV;
- i_pixel_pitch = 2;
-
-#elif defined( GL_YCBCR_422_APPLE ) && (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
- p_vout->output.i_chroma = VLC_CODEC_UYVY;
- i_pixel_pitch = 2;
-
-#elif VLCGL_FORMAT == GL_RGB
-# if VLCGL_TYPE == GL_UNSIGNED_BYTE
- p_vout->output.i_chroma = VLC_CODEC_RGB24;
-# if defined( WORDS_BIGENDIAN )
- p_vout->output.i_rmask = 0x00ff0000;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x000000ff;
-# else
- p_vout->output.i_rmask = 0x000000ff;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x00ff0000;
-# endif
- i_pixel_pitch = 3;
+ /* Initialize with default chroma */
+ vgl->fmt = *fmt;
+#if USE_OPENGL_ES
+ vgl->fmt.i_chroma = VLC_CODEC_RGB16;
+# if defined(WORDS_BIGENDIAN)
+ vgl->fmt.i_rmask = 0x001f;
+ vgl->fmt.i_gmask = 0x07e0;
+ vgl->fmt.i_bmask = 0xf800;
# else
- p_vout->output.i_chroma = VLC_CODEC_RGB16;
-# if defined( WORDS_BIGENDIAN )
- p_vout->output.i_rmask = 0x001f;
- p_vout->output.i_gmask = 0x07e0;
- p_vout->output.i_bmask = 0xf800;
-# else
- p_vout->output.i_rmask = 0xf800;
- p_vout->output.i_gmask = 0x07e0;
- p_vout->output.i_bmask = 0x001f;
-# endif
- i_pixel_pitch = 2;
+ vgl->fmt.i_rmask = 0xf800;
+ vgl->fmt.i_gmask = 0x07e0;
+ vgl->fmt.i_bmask = 0x001f;
# endif
+ vgl->tex_target = GL_TEXTURE_2D;
+ vgl->tex_format = GL_RGB;
+ vgl->tex_internal = GL_RGB;
+ vgl->tex_type = GL_UNSIGNED_SHORT_5_6_5;
#else
- p_vout->output.i_chroma = VLC_CODEC_RGB32;
-# if defined( WORDS_BIGENDIAN )
- p_vout->output.i_rmask = 0xff000000;
- p_vout->output.i_gmask = 0x00ff0000;
- p_vout->output.i_bmask = 0x0000ff00;
-# else
- p_vout->output.i_rmask = 0x000000ff;
- p_vout->output.i_gmask = 0x0000ff00;
- p_vout->output.i_bmask = 0x00ff0000;
-# endif
- i_pixel_pitch = 4;
+ vgl->fmt.i_chroma = VLC_CODEC_RGB32;
+# if defined(WORDS_BIGENDIAN)
+ vgl->fmt.i_rmask = 0xff000000;
+ vgl->fmt.i_gmask = 0x00ff0000;
+ vgl->fmt.i_bmask = 0x0000ff00;
+# else
+ vgl->fmt.i_rmask = 0x000000ff;
+ vgl->fmt.i_gmask = 0x0000ff00;
+ vgl->fmt.i_bmask = 0x00ff0000;
+# endif
+ vgl->tex_target = GL_TEXTURE_2D;
+ vgl->tex_format = GL_RGBA;
+ vgl->tex_internal = GL_RGBA;
+ vgl->tex_type = GL_UNSIGNED_BYTE;
#endif
-
- /* Since OpenGL can do rescaling for us, stick to the default
- * coordinates and aspect. */
- p_vout->output.i_width = p_vout->render.i_width;
- p_vout->output.i_height = p_vout->render.i_height;
- p_vout->output.i_aspect = p_vout->render.i_aspect;
-
- p_vout->fmt_out = p_vout->fmt_in;
- p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
-
- /* We know the chroma, allocate one buffer which will be used
- * directly by the decoder */
- p_sys->pp_buffer[0] =
- malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
- if( !p_sys->pp_buffer[0] )
- return -1;
- p_sys->pp_buffer[1] =
- malloc( p_sys->i_tex_width * p_sys->i_tex_height * i_pixel_pitch );
- if( !p_sys->pp_buffer[1] )
- return -1;
-
- p_vout->p_picture[0].i_planes = 1;
- p_vout->p_picture[0].p->p_pixels = p_sys->pp_buffer[0];
- p_vout->p_picture[0].p->i_lines = p_vout->output.i_height;
- p_vout->p_picture[0].p->i_visible_lines = p_vout->output.i_height;
- p_vout->p_picture[0].p->i_pixel_pitch = i_pixel_pitch;
- p_vout->p_picture[0].p->i_pitch = p_vout->output.i_width *
- p_vout->p_picture[0].p->i_pixel_pitch;
- p_vout->p_picture[0].p->i_visible_pitch = p_vout->output.i_width *
- p_vout->p_picture[0].p->i_pixel_pitch;
-
- p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
- p_vout->p_picture[0].i_type = DIRECT_PICTURE;
-
- PP_OUTPUTPICTURE[ 0 ] = &p_vout->p_picture[0];
-
- I_OUTPUTPICTURES = 1;
-
- if( p_sys->p_vout->pf_lock &&
- p_sys->p_vout->pf_lock( p_sys->p_vout ) )
- {
- msg_Warn( p_vout, "could not lock OpenGL provider" );
- return 0;
+ /* Use YUV if possible and needed */
+ bool need_fs_yuv = false;
+ float yuv_range_correction = 1.0;
+ if (supports_fp && supports_multitexture && max_texture_units >= 3 &&
+ vlc_fourcc_IsYUV(fmt->i_chroma) && !vlc_fourcc_IsYUV(vgl->fmt.i_chroma)) {
+ const vlc_fourcc_t *list = vlc_fourcc_GetYUVFallback(fmt->i_chroma);
+ while (*list) {
+ const vlc_chroma_description_t *dsc = vlc_fourcc_GetChromaDescription(*list);
+ if (dsc && dsc->plane_count == 3 && dsc->pixel_size == 1) {
+ need_fs_yuv = true;
+ vgl->fmt = *fmt;
+ vgl->fmt.i_chroma = *list;
+ vgl->tex_format = GL_LUMINANCE;
+ vgl->tex_internal = GL_LUMINANCE;
+ vgl->tex_type = GL_UNSIGNED_BYTE;
+ yuv_range_correction = 1.0;
+ break;
+ } else if (dsc && dsc->plane_count == 3 && dsc->pixel_size == 2 &&
+ IsLuminance16Supported(vgl->tex_target)) {
+ need_fs_yuv = true;
+ vgl->fmt = *fmt;
+ vgl->fmt.i_chroma = *list;
+ vgl->tex_format = GL_LUMINANCE;
+ vgl->tex_internal = GL_LUMINANCE16;
+ vgl->tex_type = GL_UNSIGNED_SHORT;
+ yuv_range_correction = (float)((1 << 16) - 1) / ((1 << dsc->pixel_bits) - 1);
+ break;
+ }
+ list++;
+ }
}
- InitTextures( p_vout );
+ vgl->chroma = vlc_fourcc_GetChromaDescription(vgl->fmt.i_chroma);
+ vgl->use_multitexture = vgl->chroma->plane_count > 1;
- glDisable(GL_BLEND);
- glDisable(GL_DEPTH_TEST);
- glDepthMask(GL_FALSE);
- glDisable(GL_CULL_FACE);
- glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
- glClear( GL_COLOR_BUFFER_BIT );
+ bool supports_npot = false;
+#if USE_OPENGL_ES == 2
+ supports_npot = true;
+#else
+ supports_npot |= HasExtension(extensions, "GL_APPLE_texture_2D_limited_npot") ||
+ HasExtension(extensions, "GL_ARB_texture_non_power_of_two");
+#endif
- if( p_sys->p_vout->pf_unlock )
- {
- p_sys->p_vout->pf_unlock( p_sys->p_vout );
+ /* Texture size */
+ for (unsigned j = 0; j < vgl->chroma->plane_count; j++) {
+ int w = vgl->fmt.i_width * vgl->chroma->p[j].w.num / vgl->chroma->p[j].w.den;
+ int h = vgl->fmt.i_height * vgl->chroma->p[j].h.num / vgl->chroma->p[j].h.den;
+ if (supports_npot) {
+ vgl->tex_width[j] = w;
+ vgl->tex_height[j] = h;
+ }
+ else {
+ /* A texture must have a size aligned on a power of 2 */
+ vgl->tex_width[j] = GetAlignedSize(w);
+ vgl->tex_height[j] = GetAlignedSize(h);
+ }
}
- return 0;
-}
-
-/*****************************************************************************
- * End: terminate GLX video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
+ /* Build fragment program if needed */
+ vgl->program = 0;
+ vgl->local_count = 0;
+ if (supports_fp) {
+ char *code = NULL;
+
+ if (need_fs_yuv) {
+ /* [R/G/B][Y U V O] from TV range to full range
+ * XXX we could also do hue/brightness/constrast/gamma
+ * by simply changing the coefficients
+ */
+ const float matrix_bt601_tv2full[3][4] = {
+ { 1.1640, 0.0000, 1.4030, -0.7773 },
+ { 1.1640, -0.3440, -0.7140, 0.4580 },
+ { 1.1640, 1.7730, 0.0000, -0.9630 },
+ };
+ const float matrix_bt709_tv2full[3][4] = {
+ { 1.1640, 0.0000, 1.5701, -0.8612 },
+ { 1.1640, -0.1870, -0.4664, 0.2549 },
+ { 1.1640, 1.8556, 0.0000, -1.0045 },
+ };
+ const float (*matrix)[4] = fmt->i_height > 576 ? matrix_bt709_tv2full
+ : matrix_bt601_tv2full;
+
+ /* Basic linear YUV -> RGB conversion using bilinear interpolation */
+ const char *template_yuv =
+ "!!ARBfp1.0"
+ "OPTION ARB_precision_hint_fastest;"
+
+ "TEMP src;"
+ "TEX src.x, fragment.texcoord[0], texture[0], 2D;"
+ "TEX src.%c, fragment.texcoord[1], texture[1], 2D;"
+ "TEX src.%c, fragment.texcoord[2], texture[2], 2D;"
+
+ "PARAM coefficient[4] = { program.local[0..3] };"
+
+ "TEMP tmp;"
+ "MAD tmp.rgb, src.xxxx, coefficient[0], coefficient[3];"
+ "MAD tmp.rgb, src.yyyy, coefficient[1], tmp;"
+ "MAD result.color.rgb, src.zzzz, coefficient[2], tmp;"
+ "END";
+ bool swap_uv = vgl->fmt.i_chroma == VLC_CODEC_YV12 ||
+ vgl->fmt.i_chroma == VLC_CODEC_YV9;
+ if (asprintf(&code, template_yuv,
+ swap_uv ? 'z' : 'y',
+ swap_uv ? 'y' : 'z') < 0)
+ code = NULL;
+
+ for (int i = 0; i < 4; i++) {
+ float correction = i < 3 ? yuv_range_correction : 1.0;
+ for (int j = 0; j < 4; j++) {
+ vgl->local_value[vgl->local_count + i][j] = j < 3 ? correction * matrix[j][i] : 0.0;
+ }
+ }
+ vgl->local_count += 4;
+ }
+ if (code) {
+ // Here you have shaders
+ vgl->GenProgramsARB(1, &vgl->program);
+ vgl->BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, vgl->program);
+ vgl->ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB,
+ GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(code), (const GLbyte*)code);
+ if (glGetError() == GL_INVALID_OPERATION) {
+ /* FIXME if the program was needed for YUV, the video will be broken */
+#if 0
+ GLint position;
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &position);
- if( p_sys->p_vout->pf_lock &&
- p_sys->p_vout->pf_lock( p_sys->p_vout ) )
- {
- msg_Warn( p_vout, "could not lock OpenGL provider" );
- return;
+ const char *msg = (const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB);
+ fprintf(stderr, "GL_INVALID_OPERATION: error at %d: %s\n", position, msg);
+#endif
+ vgl->DeleteProgramsARB(1, &vgl->program);
+ vgl->program = 0;
+ }
+ free(code);
+ }
}
- glFinish();
- glFlush();
+ /* */
+ glDisable(GL_BLEND);
+ glDisable(GL_DEPTH_TEST);
+ glDepthMask(GL_FALSE);
+ glDisable(GL_CULL_FACE);
+ glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
- /* Free the texture buffer*/
- glDeleteTextures( 2, p_sys->p_textures );
- free( p_sys->pp_buffer[0] );
- free( p_sys->pp_buffer[1] );
+ vlc_gl_Unlock(vgl->gl);
- if( p_sys->p_vout->pf_unlock )
- {
- p_sys->p_vout->pf_unlock( p_sys->p_vout );
+ /* */
+ for (int i = 0; i < VLCGL_TEXTURE_COUNT; i++) {
+ for (int j = 0; j < PICTURE_PLANE_MAX; j++)
+ vgl->texture[i][j] = 0;
}
-
- /* We must release the opengl provider here: opengl requiere init and end
- to be done in the same thread */
- module_unneed( p_sys->p_vout, p_sys->p_vout->p_module );
- vlc_object_release( p_sys->p_vout );
+ vgl->region_count = 0;
+ vgl->region = NULL;
+ vgl->pool = NULL;
+
+ *fmt = vgl->fmt;
+ if (subpicture_chromas) {
+ *subpicture_chromas = NULL;
+#if !USE_OPENGL_ES
+ if (supports_npot)
+ *subpicture_chromas = gl_subpicture_chromas;
+#endif
+ }
+ return vgl;
}
-/*****************************************************************************
- * Destroy: destroy GLX video thread output method
- *****************************************************************************
- * Terminate an output method created by CreateVout
- *****************************************************************************/
-static void DestroyVout( vlc_object_t *p_this )
+void vout_display_opengl_Delete(vout_display_opengl_t *vgl)
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- vout_sys_t *p_sys = p_vout->p_sys;
-
- free( p_sys );
+ /* */
+ if (!vlc_gl_Lock(vgl->gl)) {
+
+ glFinish();
+ glFlush();
+ for (int i = 0; i < VLCGL_TEXTURE_COUNT; i++)
+ glDeleteTextures(vgl->chroma->plane_count, vgl->texture[i]);
+ for (int i = 0; i < vgl->region_count; i++) {
+ if (vgl->region[i].texture)
+ glDeleteTextures(1, &vgl->region[i].texture);
+ }
+ free(vgl->region);
+
+ if (vgl->program)
+ vgl->DeleteProgramsARB(1, &vgl->program);
+
+ vlc_gl_Unlock(vgl->gl);
+ }
+ if (vgl->pool)
+ picture_pool_Delete(vgl->pool);
+ free(vgl);
}
-/*****************************************************************************
- * Manage: handle Sys events
- *****************************************************************************
- * This function should be called regularly by video output thread. It returns
- * a non null value if an error occurred.
- *****************************************************************************/
-static int Manage( vout_thread_t *p_vout )
+picture_pool_t *vout_display_opengl_GetPool(vout_display_opengl_t *vgl, unsigned requested_count)
{
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_ret, i_fullscreen_change;
-
- i_fullscreen_change = ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE );
-
- p_vout->fmt_out.i_x_offset = p_sys->p_vout->fmt_in.i_x_offset =
- p_vout->fmt_in.i_x_offset;
- p_vout->fmt_out.i_y_offset = p_sys->p_vout->fmt_in.i_y_offset =
- p_vout->fmt_in.i_y_offset;
- p_vout->fmt_out.i_visible_width = p_sys->p_vout->fmt_in.i_visible_width =
- p_vout->fmt_in.i_visible_width;
- p_vout->fmt_out.i_visible_height = p_sys->p_vout->fmt_in.i_visible_height =
- p_vout->fmt_in.i_visible_height;
- p_vout->fmt_out.i_aspect = p_sys->p_vout->fmt_in.i_aspect =
- p_vout->fmt_in.i_aspect;
- p_vout->fmt_out.i_sar_num = p_sys->p_vout->fmt_in.i_sar_num =
- p_vout->fmt_in.i_sar_num;
- p_vout->fmt_out.i_sar_den = p_sys->p_vout->fmt_in.i_sar_den =
- p_vout->fmt_in.i_sar_den;
- p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
-
- p_sys->p_vout->i_changes = p_vout->i_changes;
- i_ret = p_sys->p_vout->pf_manage( p_sys->p_vout );
- p_vout->i_changes = p_sys->p_vout->i_changes;
+ if (vgl->pool)
+ return vgl->pool;
-#ifdef __APPLE__
- if( p_sys->p_vout->pf_lock &&
- p_sys->p_vout->pf_lock( p_sys->p_vout ) )
- {
- msg_Warn( p_vout, "could not lock OpenGL provider" );
- return i_ret;
- }
+ /* Allocate our pictures */
+ picture_t *picture[VLCGL_PICTURE_MAX] = {NULL, };
+ unsigned count = 0;
- /* On OS X, we create the window and the GL view when entering
- fullscreen - the textures have to be inited again */
- if( i_fullscreen_change )
- {
- InitTextures( p_vout );
- }
-
- if( p_sys->p_vout->pf_unlock )
- {
- p_sys->p_vout->pf_unlock( p_sys->p_vout );
+ for (count = 0; count < __MIN(VLCGL_PICTURE_MAX, requested_count); count++) {
+ picture[count] = picture_NewFromFormat(&vgl->fmt);
+ if (!picture[count])
+ break;
}
+ if (count <= 0)
+ return NULL;
+
+ /* Wrap the pictures into a pool */
+ picture_pool_configuration_t cfg;
+ memset(&cfg, 0, sizeof(cfg));
+ cfg.picture_count = count;
+ cfg.picture = picture;
+ vgl->pool = picture_pool_NewExtended(&cfg);
+ if (!vgl->pool)
+ goto error;
+
+ /* Allocates our textures */
+ if (vlc_gl_Lock(vgl->gl))
+ return vgl->pool;
+
+ for (int i = 0; i < VLCGL_TEXTURE_COUNT; i++) {
+ glGenTextures(vgl->chroma->plane_count, vgl->texture[i]);
+ for (unsigned j = 0; j < vgl->chroma->plane_count; j++) {
+ if (vgl->use_multitexture)
+ vgl->ActiveTextureARB(GL_TEXTURE0_ARB + j);
+ glBindTexture(vgl->tex_target, vgl->texture[i][j]);
+
+#if !USE_OPENGL_ES
+ /* Set the texture parameters */
+ glTexParameterf(vgl->tex_target, GL_TEXTURE_PRIORITY, 1.0);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#endif
-// to align in real time in OPENGL
- if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
- {
- p_vout->i_changes |= VOUT_CROP_CHANGE; //to force change
- p_sys->p_vout->i_alignment = p_vout->i_alignment;
- }
- /* forward signal that autoscale toggle has changed */
- if (p_vout->i_changes & VOUT_SCALE_CHANGE )
- {
- p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
+ glTexParameteri(vgl->tex_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(vgl->tex_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(vgl->tex_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(vgl->tex_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- p_sys->p_vout->i_changes |= VOUT_SCALE_CHANGE;
+ /* Call glTexImage2D only once, and use glTexSubImage2D later */
+ glTexImage2D(vgl->tex_target, 0,
+ vgl->tex_internal, vgl->tex_width[j], vgl->tex_height[j],
+ 0, vgl->tex_format, vgl->tex_type, NULL);
+ }
}
- /* forward signal that scale has changed */
- if (p_vout->i_changes & VOUT_ZOOM_CHANGE )
- {
- p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
-
- p_sys->p_vout->i_changes |= VOUT_ZOOM_CHANGE;
- }
+ vlc_gl_Unlock(vgl->gl);
+ return vgl->pool;
- return i_ret;
+error:
+ for (unsigned i = 0; i < count; i++)
+ picture_Delete(picture[i]);
+ return NULL;
}
-/*****************************************************************************
- * Render: render previously calculated output
- *****************************************************************************/
-static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+int vout_display_opengl_Prepare(vout_display_opengl_t *vgl,
+ picture_t *picture, subpicture_t *subpicture)
{
- VLC_UNUSED(p_pic);
- vout_sys_t *p_sys = p_vout->p_sys;
-
/* On Win32/GLX, we do this the usual way:
+ Fill the buffer with new content,
+ Reload the texture,
(Thanks to gcc from the Arstechnica forums for the tip)
- Therefore, we have to use two buffers and textures. On Win32/GLX,
- we reload the texture to be displayed and use it right away. On
- OS X, we first render, then reload the texture to be used next
- time. */
-
- if( p_sys->p_vout->pf_lock &&
- p_sys->p_vout->pf_lock( p_sys->p_vout ) )
- {
- msg_Warn( p_vout, "could not lock OpenGL provider" );
- return;
- }
-
-#ifdef __APPLE__
- int i_new_index;
- i_new_index = ( p_sys->i_index + 1 ) & 1;
-
-
- /* Update the texture */
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_new_index] );
- glTexSubImage2D( VLCGL_TARGET, 0, 0, 0,
- p_vout->fmt_out.i_width,
- p_vout->fmt_out.i_height,
- VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[i_new_index] );
-
- /* Bind to the previous texture for drawing */
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[p_sys->i_index] );
+ Therefore on OSX, we have to use two buffers and textures and use a
+ lock(/unlock) managed picture pool.
+ */
- /* Switch buffers */
- p_sys->i_index = i_new_index;
- p_pic->p->p_pixels = p_sys->pp_buffer[p_sys->i_index];
+ if (vlc_gl_Lock(vgl->gl))
+ return VLC_EGENERIC;
-#else
/* Update the texture */
- glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0,
- p_vout->fmt_out.i_width,
- p_vout->fmt_out.i_height,
- VLCGL_FORMAT, VLCGL_TYPE, p_sys->pp_buffer[0] );
-#endif
+ for (unsigned j = 0; j < vgl->chroma->plane_count; j++) {
+ const int plane = vgl->fmt.i_chroma == VLC_CODEC_YV12 && j > 0 ? (3 - j) : j;
+ if (vgl->use_multitexture)
+ vgl->ActiveTextureARB(GL_TEXTURE0_ARB + j);
+ glBindTexture(vgl->tex_target, vgl->texture[0][j]);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, picture->p[plane].i_pitch / picture->p[plane].i_pixel_pitch);
+ glTexSubImage2D(vgl->tex_target, 0,
+ 0, 0,
+ vgl->fmt.i_width * vgl->chroma->p[plane].w.num / vgl->chroma->p[plane].w.den,
+ vgl->fmt.i_height * vgl->chroma->p[plane].h.num / vgl->chroma->p[plane].h.den,
+ vgl->tex_format, vgl->tex_type, picture->p[plane].p_pixels);
+ }
- if( p_sys->p_vout->pf_unlock )
- {
- p_sys->p_vout->pf_unlock( p_sys->p_vout );
+ int last_count = vgl->region_count;
+ gl_region_t *last = vgl->region;
+
+ vgl->region_count = 0;
+ vgl->region = NULL;
+
+ if (subpicture) {
+
+ int count = 0;
+ for (subpicture_region_t *r = subpicture->p_region; r; r = r->p_next)
+ count++;
+
+ vgl->region_count = count;
+ vgl->region = calloc(count, sizeof(*vgl->region));
+
+ if (vgl->use_multitexture)
+ vgl->ActiveTextureARB(GL_TEXTURE0_ARB + 0);
+ int i = 0;
+ for (subpicture_region_t *r = subpicture->p_region; r; r = r->p_next, i++) {
+ gl_region_t *glr = &vgl->region[i];
+
+ glr->format = GL_RGBA;
+ glr->type = GL_UNSIGNED_BYTE;
+ glr->width = r->fmt.i_visible_width;
+ glr->height = r->fmt.i_visible_height;
+ glr->alpha = (float)subpicture->i_alpha * r->i_alpha / 255 / 255;
+ glr->left = 2.0 * (r->i_x ) / subpicture->i_original_picture_width - 1.0;
+ glr->top = -2.0 * (r->i_y ) / subpicture->i_original_picture_height + 1.0;
+ glr->right = 2.0 * (r->i_x + r->fmt.i_visible_width ) / subpicture->i_original_picture_width - 1.0;
+ glr->bottom = -2.0 * (r->i_y + r->fmt.i_visible_height) / subpicture->i_original_picture_height + 1.0;
+
+ glr->texture = 0;
+ for (int j = 0; j < last_count; j++) {
+ if (last[j].texture &&
+ last[j].width == glr->width &&
+ last[j].height == glr->height &&
+ last[j].format == glr->format &&
+ last[j].type == glr->type) {
+ glr->texture = last[j].texture;
+ memset(&last[j], 0, sizeof(last[j]));
+ break;
+ }
+ }
+
+ if (glr->texture) {
+ glBindTexture(GL_TEXTURE_2D, glr->texture);
+ /* TODO set GL_UNPACK_ALIGNMENT */
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, r->p_picture->p->i_pitch / r->p_picture->p->i_pixel_pitch);
+ glTexSubImage2D(GL_TEXTURE_2D, 0,
+ 0, 0, glr->width, glr->height,
+ glr->format, glr->type, r->p_picture->p->p_pixels);
+ } else {
+ glGenTextures(1, &glr->texture);
+ glBindTexture(GL_TEXTURE_2D, glr->texture);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_PRIORITY, 1.0);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ /* TODO set GL_UNPACK_ALIGNMENT */
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, r->p_picture->p->i_pitch / r->p_picture->p->i_pixel_pitch);
+ glTexImage2D(GL_TEXTURE_2D, 0, glr->format,
+ glr->width, glr->height, 0, glr->format, glr->type,
+ r->p_picture->p->p_pixels);
+ }
+ }
}
+ for (int i = 0; i < last_count; i++) {
+ if (last[i].texture)
+ glDeleteTextures(1, &last[i].texture);
+ }
+ free(last);
+
+ vlc_gl_Unlock(vgl->gl);
+ VLC_UNUSED(subpicture);
+ return VLC_SUCCESS;
}
-/*****************************************************************************
- * DisplayVideo: displays previously rendered output
- *****************************************************************************/
-static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
+int vout_display_opengl_Display(vout_display_opengl_t *vgl,
+ const video_format_t *source)
{
- VLC_UNUSED(p_pic);
- vout_sys_t *p_sys = p_vout->p_sys;
- float f_width, f_height, f_x, f_y;
-
- if( p_sys->p_vout->pf_lock &&
- p_sys->p_vout->pf_lock( p_sys->p_vout ) )
- {
- msg_Warn( p_vout, "could not lock OpenGL provider" );
- return;
- }
+ if (vlc_gl_Lock(vgl->gl))
+ return VLC_EGENERIC;
/* glTexCoord works differently with GL_TEXTURE_2D and
GL_TEXTURE_RECTANGLE_EXT */
-#ifdef __APPLE__
- f_x = (float)p_vout->fmt_out.i_x_offset;
- f_y = (float)p_vout->fmt_out.i_y_offset;
- f_width = (float)p_vout->fmt_out.i_x_offset +
- (float)p_vout->fmt_out.i_visible_width;
- f_height = (float)p_vout->fmt_out.i_y_offset +
- (float)p_vout->fmt_out.i_visible_height;
-#else
- f_x = (float)p_vout->fmt_out.i_x_offset / p_sys->i_tex_width;
- f_y = (float)p_vout->fmt_out.i_y_offset / p_sys->i_tex_height;
- f_width = ( (float)p_vout->fmt_out.i_x_offset +
- p_vout->fmt_out.i_visible_width ) / p_sys->i_tex_width;
- f_height = ( (float)p_vout->fmt_out.i_y_offset +
- p_vout->fmt_out.i_visible_height ) / p_sys->i_tex_height;
-#endif
+ float left[PICTURE_PLANE_MAX];
+ float top[PICTURE_PLANE_MAX];
+ float right[PICTURE_PLANE_MAX];
+ float bottom[PICTURE_PLANE_MAX];
+ for (unsigned j = 0; j < vgl->chroma->plane_count; j++) {
+ float scale_w, scale_h;
+ if (vgl->tex_target == GL_TEXTURE_2D) {
+ scale_w = (float)vgl->chroma->p[j].w.num / vgl->chroma->p[j].w.den / vgl->tex_width[j];
+ scale_h = (float)vgl->chroma->p[j].h.num / vgl->chroma->p[j].h.den / vgl->tex_height[j];
+
+ } else {
+ scale_w = 1.0;
+ scale_h = 1.0;
+ }
+ left[j] = (source->i_x_offset + 0 ) * scale_w;
+ top[j] = (source->i_y_offset + 0 ) * scale_h;
+ right[j] = (source->i_x_offset + source->i_visible_width ) * scale_w;
+ bottom[j] = (source->i_y_offset + source->i_visible_height) * scale_h;
+ }
+
/* Why drawing here and not in Render()? Because this way, the
- OpenGL providers can call pf_display to force redraw. Currently,
- the OS X provider uses it to get a smooth window resizing */
+ OpenGL providers can call vout_display_opengl_Display to force redraw.i
+ Currently, the OS X provider uses it to get a smooth window resizing */
- glClear( GL_COLOR_BUFFER_BIT );
+ glClear(GL_COLOR_BUFFER_BIT);
- glEnable( VLCGL_TARGET );
- glBegin( GL_POLYGON );
- glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
- glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
- glEnd();
+ if (vgl->program) {
+ glEnable(GL_FRAGMENT_PROGRAM_ARB);
+ for (int i = 0; i < vgl->local_count; i++)
+ vgl->ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, i, vgl->local_value[i]);
+ } else {
+ glEnable(vgl->tex_target);
+ }
- glDisable( VLCGL_TARGET );
+#if USE_OPENGL_ES
+ static const GLfloat vertexCoord[] = {
+ -1.0f, -1.0f,
+ 1.0f, -1.0f,
+ -1.0f, 1.0f,
+ 1.0f, 1.0f,
+ };
+
+ const GLfloat textureCoord[8] = {
+ left[0], bottom[0],
+ right[0], bottom[0],
+ left[0], top[0],
+ right[0], top[0]
+ };
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ glVertexPointer(2, GL_FLOAT, 0, vertexCoord);
+ glTexCoordPointer(2, GL_FLOAT, 0, textureCoord);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+#else
+ for (unsigned j = 0; j < vgl->chroma->plane_count; j++) {
+ if (vgl->use_multitexture)
+ vgl->ActiveTextureARB(GL_TEXTURE0_ARB + j);
+ glBindTexture(vgl->tex_target, vgl->texture[0][j]);
+ }
+ glBegin(GL_POLYGON);
- p_sys->p_vout->pf_swap( p_sys->p_vout );
+ glTexCoord2f(left[0], top[0]);
+ for (unsigned j = 1; j < vgl->chroma->plane_count; j++)
+ vgl->MultiTexCoord2fARB(GL_TEXTURE0_ARB + j, left[j], top[j]);
+ glVertex2f(-1.0, 1.0);
- if( p_sys->p_vout->pf_unlock )
- {
- p_sys->p_vout->pf_unlock( p_sys->p_vout );
- }
-}
+ glTexCoord2f(right[0], top[0]);
+ for (unsigned j = 1; j < vgl->chroma->plane_count; j++)
+ vgl->MultiTexCoord2fARB(GL_TEXTURE0_ARB + j, right[j], top[j]);
+ glVertex2f( 1.0, 1.0);
-int GetAlignedSize( int i_size )
-{
- /* Return the nearest power of 2 */
- int i_result = 1;
- while( i_result < i_size )
- {
- i_result *= 2;
- }
- return i_result;
-}
+ glTexCoord2f(right[0], bottom[0]);
+ for (unsigned j = 1; j < vgl->chroma->plane_count; j++)
+ vgl->MultiTexCoord2fARB(GL_TEXTURE0_ARB + j, right[j], bottom[j]);
+ glVertex2f( 1.0, -1.0);
-/*****************************************************************************
- * Control: control facility for the vout
- *****************************************************************************/
-static int Control( vout_thread_t *p_vout, int i_query, va_list args )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
+ glTexCoord2f(left[0], bottom[0]);
+ for (unsigned j = 1; j < vgl->chroma->plane_count; j++)
+ vgl->MultiTexCoord2fARB(GL_TEXTURE0_ARB + j, left[j], bottom[j]);
+ glVertex2f(-1.0, -1.0);
- if( p_sys->p_vout->pf_control )
- return p_sys->p_vout->pf_control( p_sys->p_vout, i_query, args );
- return VLC_EGENERIC;
-}
+ glEnd();
+#endif
-static int InitTextures( vout_thread_t *p_vout )
-{
- vout_sys_t *p_sys = p_vout->p_sys;
- int i_index;
+ if (vgl->program)
+ glDisable(GL_FRAGMENT_PROGRAM_ARB);
+ else
+ glDisable(vgl->tex_target);
- glDeleteTextures( 2, p_sys->p_textures );
- glGenTextures( 2, p_sys->p_textures );
+#if !USE_OPENGL_ES
+ if (vgl->use_multitexture)
+ vgl->ActiveTextureARB(GL_TEXTURE0_ARB + 0);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ for (int i = 0; i < vgl->region_count; i++) {
+ gl_region_t *glr = &vgl->region[i];
- for( i_index = 0; i_index < 2; i_index++ )
- {
- glBindTexture( VLCGL_TARGET, p_sys->p_textures[i_index] );
+ glBindTexture(GL_TEXTURE_2D, glr->texture);
- /* Set the texture parameters */
- glTexParameterf( VLCGL_TARGET, GL_TEXTURE_PRIORITY, 1.0 );
+ glBegin(GL_POLYGON);
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
+ glColor4f(1.0, 1.0, 1.0, glr->alpha);
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexCoord2f(0.0, 0.0);
+ glVertex2f(glr->left, glr->top);
- glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
+ glTexCoord2f(1.0, 0.0);
+ glVertex2f(glr->right, glr->top);
-#ifdef __APPLE__
- /* Tell the driver not to make a copy of the texture but to use
- our buffer */
- glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
- glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );
+ glTexCoord2f(1.0, 1.0);
+ glVertex2f(glr->right, glr->bottom);
-#if 0
- /* Use VRAM texturing */
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
- GL_STORAGE_CACHED_APPLE );
-#else
- /* Use AGP texturing */
- glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,
- GL_STORAGE_SHARED_APPLE );
-#endif
-#endif
+ glTexCoord2f(0.0, 1.0);
+ glVertex2f(glr->left, glr->bottom);
- /* Call glTexImage2D only once, and use glTexSubImage2D later */
- glTexImage2D( VLCGL_TARGET, 0, 3, p_sys->i_tex_width,
- p_sys->i_tex_height, 0, VLCGL_FORMAT, VLCGL_TYPE,
- p_sys->pp_buffer[i_index] );
+ glEnd();
}
+ glDisable(GL_BLEND);
+ glDisable(GL_TEXTURE_2D);
+#endif
- return 0;
-}
+ vlc_gl_Swap(vgl->gl);
-/*****************************************************************************
- * SendEvents: forward mouse and keyboard events to the parent p_vout
- *****************************************************************************/
-static int SendEvents( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
-{
- VLC_UNUSED(p_this); VLC_UNUSED(oldval);
- return var_Set( (vlc_object_t *)_p_vout, psz_var, newval );
+ vlc_gl_Unlock(vgl->gl);
+ return VLC_SUCCESS;
}
+
projects / vlc / blobdiff