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[043/906] * sys/glsink/Makefile.am: * sys/glsink/glimagesink.h: * sys/glsink/glvideo.c: * sys/glsink/glvideo.h: * sys/glsink/gstglbuffer.c: * sys/glsink/gstglbuffer.h: * sys/glsink/gstgldisplay.c: * sys/glsink/gstgldisplay.h: Rename glvideo.[ch] to gstgldisplay.[ch].

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This commit is contained in:
David Schleef 2007-12-24 21:04:45 +00:00 committed by Tim-Philipp Müller
parent 7e42503811
commit de7967f306
4 changed files with 956 additions and 3 deletions
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2
gst-libs/gst/gl/gstglbuffer.c
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@ -4,7 +4,7 @@
#endif
#include <gstglbuffer.h>
#include <glvideo.h>
#include <gstgldisplay.h>
#include <GL/glext.h>
#include <unistd.h>
#include "glextensions.h"

3
gst-libs/gst/gl/gstglbuffer.h
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@ -4,8 +4,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <xcb/xcb.h>
#include <glvideo.h>
#include <gstgldisplay.h>
typedef struct _GstGLBuffer GstGLBuffer;

870
gst-libs/gst/gl/gstgldisplay.c Normal file
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@ -0,0 +1,870 @@
/* gstgldisplay.c
* Copyright (C) 2007 David A. Schleef <ds@schleef.org>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstgldisplay.h"
#include "glextensions.h"
#include <gst/gst.h>
#include <string.h>
static void gst_gl_display_finalize (GObject * object);
static void gst_gl_display_init_tmp_window (GstGLDisplay * display);
GST_BOILERPLATE (GstGLDisplay, gst_gl_display, GObject, G_TYPE_OBJECT);
static void
gst_gl_display_base_init (gpointer g_class)
{
}
static void
gst_gl_display_class_init (GstGLDisplayClass * klass)
{
G_OBJECT_CLASS (klass)->finalize = gst_gl_display_finalize;
}
static void
gst_gl_display_init (GstGLDisplay * display, GstGLDisplayClass * klass)
{
display->lock = g_mutex_new ();
}
static void
gst_gl_display_finalize (GObject * object)
{
GstGLDisplay *display = GST_GL_DISPLAY (object);
if (display->assigned_window == None) {
XDestroyWindow (display->display, display->window);
}
if (display->context) {
glXDestroyContext (display->display, display->context);
}
if (display->visinfo) {
XFree (display->visinfo);
}
if (display->display) {
XCloseDisplay (display->display);
}
if (display->lock) {
g_mutex_free (display->lock);
}
}
static gboolean gst_gl_display_check_features (GstGLDisplay * display);
GstGLDisplay *
gst_gl_display_new (void)
{
return g_object_new (GST_TYPE_GL_DISPLAY, NULL);
}
#define HANDLE_X_ERRORS
#ifdef HANDLE_X_ERRORS
static int
x_error_handler (Display * display, XErrorEvent * event)
{
g_assert_not_reached ();
}
#endif
gboolean
gst_gl_display_connect (GstGLDisplay * display, const char *display_name)
{
gboolean usable;
XGCValues values;
XPixmapFormatValues *px_formats;
int n_formats;
int i;
display->display = XOpenDisplay (display_name);
if (display->display == NULL) {
return FALSE;
}
#ifdef HANDLE_X_ERRORS
XSynchronize (display->display, True);
XSetErrorHandler (x_error_handler);
#endif
usable = gst_gl_display_check_features (display);
if (!usable) {
return FALSE;
}
display->screen = DefaultScreenOfDisplay (display->display);
display->screen_num = DefaultScreen (display->display);
display->visual = DefaultVisual (display->display, display->screen_num);
display->root = DefaultRootWindow (display->display);
display->white = XWhitePixel (display->display, display->screen_num);
display->black = XBlackPixel (display->display, display->screen_num);
display->depth = DefaultDepthOfScreen (display->screen);
display->gc = XCreateGC (display->display,
DefaultRootWindow (display->display), 0, &values);
px_formats = XListPixmapFormats (display->display, &n_formats);
for (i = 0; i < n_formats; i++) {
GST_DEBUG ("%d: depth %d bpp %d pad %d", i,
px_formats[i].depth,
px_formats[i].bits_per_pixel, px_formats[i].scanline_pad);
}
gst_gl_display_init_tmp_window (display);
return TRUE;
}
static gboolean
gst_gl_display_check_features (GstGLDisplay * display)
{
gboolean ret;
XVisualInfo *visinfo;
Screen *screen;
Window root;
int scrnum;
int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, None
};
XSetWindowAttributes attr;
int error_base;
int event_base;
int mask;
const char *extstring;
Window window;
screen = XDefaultScreenOfDisplay (display->display);
scrnum = XScreenNumberOfScreen (screen);
root = XRootWindow (display->display, scrnum);
ret = glXQueryExtension (display->display, &error_base, &event_base);
if (!ret) {
GST_DEBUG ("No GLX extension");
return FALSE;
}
visinfo = glXChooseVisual (display->display, scrnum, attrib);
if (visinfo == NULL) {
GST_DEBUG ("No usable visual");
return FALSE;
}
display->visinfo = visinfo;
display->context = glXCreateContext (display->display, visinfo, NULL, True);
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap (display->display, root,
visinfo->visual, AllocNone);
attr.event_mask = StructureNotifyMask | ExposureMask;
attr.override_redirect = True;
mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
window = XCreateWindow (display->display, root, 0, 0,
100, 100, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
XSync (display->display, FALSE);
glXMakeCurrent (display->display, window, display->context);
glGetIntegerv (GL_MAX_TEXTURE_SIZE, &display->max_texture_size);
extstring = (const char *) glGetString (GL_EXTENSIONS);
display->have_ycbcr_texture = FALSE;
#ifdef GL_YCBCR_MESA
if (strstr (extstring, "GL_MESA_ycbcr_texture")) {
display->have_ycbcr_texture = TRUE;
}
#endif
display->have_color_matrix = FALSE;
#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
if (strstr (extstring, "GL_SGI_color_matrix")) {
display->have_color_matrix = TRUE;
}
#endif
display->have_texture_rectangle = FALSE;
#ifdef GL_TEXTURE_RECTANGLE_ARB
if (strstr (extstring, "GL_ARB_texture_rectangle")) {
display->have_texture_rectangle = TRUE;
}
#endif
glXMakeCurrent (display->display, None, NULL);
XDestroyWindow (display->display, window);
return TRUE;
}
gboolean
gst_gl_display_can_handle_type (GstGLDisplay * display, GstVideoFormat type)
{
switch (type) {
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
return TRUE;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
return display->have_ycbcr_texture;
case GST_VIDEO_FORMAT_AYUV:
return display->have_color_matrix;
default:
return FALSE;
}
}
void
gst_gl_display_lock (GstGLDisplay * display)
{
g_mutex_lock (display->lock);
glXMakeCurrent (display->display, display->window, display->context);
gst_gl_display_check_error (display, __LINE__);
}
void
gst_gl_display_unlock (GstGLDisplay * display)
{
gst_gl_display_check_error (display, __LINE__);
glXMakeCurrent (display->display, None, NULL);
g_mutex_unlock (display->lock);
}
static void
gst_gl_display_init_tmp_window (GstGLDisplay * display)
{
XSetWindowAttributes attr = { 0 };
int scrnum;
int mask;
Window root;
Screen *screen;
GST_ERROR ("creating temp window");
screen = XDefaultScreenOfDisplay (display->display);
scrnum = XScreenNumberOfScreen (screen);
root = XRootWindow (display->display, scrnum);
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap (display->display, root,
display->visinfo->visual, AllocNone);
attr.override_redirect = False;
#if 0
if (display->parent_window) {
attr.override_redirect = True;
}
#endif
mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
display->window = XCreateWindow (display->display,
root, 0, 0, 100, 100,
0, display->visinfo->depth, InputOutput,
display->visinfo->visual, mask, &attr);
XMapWindow (display->display, display->window);
XSync (display->display, FALSE);
}
static void
gst_gl_display_destroy_tmp_window (GstGLDisplay * display)
{
XDestroyWindow (display->display, display->window);
}
void
gst_gl_display_set_window (GstGLDisplay * display, Window window)
{
g_mutex_lock (display->lock);
if (window != display->assigned_window) {
if (display->assigned_window == None) {
gst_gl_display_destroy_tmp_window (display);
}
display->assigned_window = window;
if (display->assigned_window == None) {
gst_gl_display_init_tmp_window (display);
} else {
display->window = window;
}
}
g_mutex_unlock (display->lock);
}
void
gst_gl_display_update_attributes (GstGLDisplay * display)
{
XWindowAttributes attr;
if (display->window != None) {
XGetWindowAttributes (display->display, display->window, &attr);
display->win_width = attr.width;
display->win_height = attr.height;
} else {
display->win_width = 0;
display->win_height = 0;
}
}
void
gst_gl_display_clear (GstGLDisplay * display)
{
gst_gl_display_lock (display);
glDepthFunc (GL_LESS);
glEnable (GL_DEPTH_TEST);
glClearColor (0.2, 0.2, 0.2, 1.0);
glViewport (0, 0, display->win_width, display->win_height);
gst_gl_display_unlock (display);
}
void
gst_gl_display_check_error (GstGLDisplay * display, int line)
{
GLenum err = glGetError ();
if (err) {
GST_ERROR ("GL Error 0x%x at line %d", (int) err, line);
g_assert (0);
}
}
GLuint
gst_gl_display_upload_texture_rectangle (GstGLDisplay * display,
GstVideoFormat type, void *data, int width, int height)
{
GLuint texture;
glGenTextures (1, &texture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
switch (type) {
case GST_VIDEO_FORMAT_RGBx:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_BGRx:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_xRGB:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_xBGR:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_YUY2:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
break;
case GST_VIDEO_FORMAT_UYVY:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
break;
case GST_VIDEO_FORMAT_AYUV:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
default:
g_assert_not_reached ();
}
return texture;
}
static void
draw_rect_texture (GstGLDisplay * display, GstVideoFormat type,
void *data, int width, int height)
{
GLuint texture;
GST_DEBUG ("using rectangular texture");
#ifdef GL_TEXTURE_RECTANGLE_ARB
glEnable (GL_TEXTURE_RECTANGLE_ARB);
//glGenTextures (1, &texture);
//glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
texture = gst_gl_display_upload_texture_rectangle (display, type,
data, width, height);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
#if 0
switch (type) {
case GST_VIDEO_FORMAT_RGBx:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_BGRx:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_xRGB:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_xBGR:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_YUY2:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
break;
case GST_VIDEO_FORMAT_UYVY:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
break;
case GST_VIDEO_FORMAT_AYUV:
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
default:
g_assert_not_reached ();
}
#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
if (type == GST_VIDEO_FORMAT_AYUV) {
const double matrix[16] = {
1, 1, 1, 0,
0, -0.344 * 1, 1.770 * 1, 0,
1.403 * 1, -0.714 * 1, 0, 0,
0, 0, 0, 1
};
glMatrixMode (GL_COLOR);
glLoadMatrixd (matrix);
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
}
#endif
#endif
glColor4f (1, 0, 1, 1);
glBegin (GL_QUADS);
glNormal3f (0, 0, -1);
glTexCoord2f (width, 0);
glVertex3f (1.0, 1.0, 0);
glTexCoord2f (0, 0);
glVertex3f (-1.0, 1.0, 0);
glTexCoord2f (0, height);
glVertex3f (-1.0, -1.0, 0);
glTexCoord2f (width, height);
glVertex3f (1.0, -1.0, 0);
glEnd ();
glDeleteTextures (1, &texture);
#else
g_assert_not_reached ();
#endif
}
static void
draw_pow2_texture (GstGLDisplay * display, GstVideoFormat type,
void *data, int width, int height)
{
int pow2_width;
int pow2_height;
double x, y;
GLuint texture;
GST_DEBUG ("using power-of-2 texture");
for (pow2_height = 64;
pow2_height < height && pow2_height > 0; pow2_height <<= 1);
for (pow2_width = 64; pow2_width < width && pow2_width > 0; pow2_width <<= 1);
glEnable (GL_TEXTURE_2D);
glGenTextures (1, &texture);
glBindTexture (GL_TEXTURE_2D, texture);
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);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
switch (type) {
case GST_VIDEO_FORMAT_RGBx:
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_BGRx:
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_BYTE, data);
break;
case GST_VIDEO_FORMAT_xRGB:
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_xBGR:
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
case GST_VIDEO_FORMAT_YUY2:
glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
break;
case GST_VIDEO_FORMAT_UYVY:
glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
break;
case GST_VIDEO_FORMAT_AYUV:
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
break;
default:
g_assert_not_reached ();
}
#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
if (type == GST_VIDEO_FORMAT_AYUV) {
const double matrix[16] = {
1, 1, 1, 0,
0, -0.344 * 1, 1.770 * 1, 0,
1.403 * 1, -0.714 * 1, 0, 0,
0, 0, 0, 1
};
glMatrixMode (GL_COLOR);
glLoadMatrixd (matrix);
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
}
#endif
glColor4f (1, 0, 1, 1);
glBegin (GL_QUADS);
glNormal3f (0, 0, -1);
x = (double) width / pow2_width;
y = (double) height / pow2_height;
glTexCoord2f (x, 0);
glVertex3f (1.0, 1.0, 0);
glTexCoord2f (0, 0);
glVertex3f (-1.0, 1.0, 0);
glTexCoord2f (0, y);
glVertex3f (-1.0, -1.0, 0);
glTexCoord2f (x, y);
glVertex3f (1.0, -1.0, 0);
glEnd ();
glDeleteTextures (1, &texture);
}
void
gst_gl_display_draw_image (GstGLDisplay * display, GstVideoFormat type,
void *data, int width, int height)
{
g_return_if_fail (data != NULL);
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
gst_gl_display_lock (display);
#if 0
/* Doesn't work */
{
int64_t ust = 1234;
int64_t mst = 1234;
int64_t sbc = 1234;
gboolean ret;
ret = glXGetSyncValuesOML (display->display, display->window,
&ust, &mst, &sbc);
GST_DEBUG ("sync values %d %lld %lld %lld", ret, ust, mst, sbc);
}
#endif
#if 0
/* Does work, but is not relevant */
{
int32_t num = 1234;
int32_t den = 1234;
gboolean ret;
ret = glXGetMscRateOML (display->display, display->window, &num, &den);
GST_DEBUG ("rate %d %d %d", ret, num, den);
}
#endif
gst_gl_display_update_attributes (display);
//glXSwapIntervalSGI (1);
glViewport (0, 0, display->win_width, display->win_height);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glDisable (GL_CULL_FACE);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glColor4f (1, 1, 1, 1);
if (display->have_texture_rectangle) {
draw_rect_texture (display, type, data, width, height);
} else {
draw_pow2_texture (display, type, data, width, height);
}
glXSwapBuffers (display->display, display->window);
#if 0
/* Doesn't work */
{
ret = glXSwapBuffersMscOML (display->display, display->window, 0, 1, 0);
if (ret == 0) {
GST_DEBUG ("glXSwapBuffersMscOML failed");
}
}
#endif
gst_gl_display_unlock (display);
}
void
gst_gl_display_draw_rbo (GstGLDisplay * display, GLuint rbo,
int width, int height)
{
GLuint texture;
GLuint fbo;
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
g_return_if_fail (rbo != None);
gst_gl_display_lock (display);
g_assert (display->window != None);
g_assert (display->context != NULL);
gst_gl_display_update_attributes (display);
glViewport (0, 0, display->win_width, display->win_height);
glClearColor (0.3, 0.3, 0.3, 1.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glDisable (GL_CULL_FACE);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glColor4f (1, 1, 1, 1);
glGenFramebuffersEXT (1, &fbo);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, rbo);
glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
GL_FRAMEBUFFER_COMPLETE_EXT);
#if 1
{
void *buffer;
buffer = malloc (320 * 240 * 4);
memset (buffer, random (), 320 * 240 * 4);
free (buffer);
}
#endif
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glGenTextures (1, &texture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB, width, height, 0,
GL_RGB, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_RECTANGLE_ARB, texture, 0);
glDrawBuffer (0);
glReadBuffer (0);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, 0);
glColor4f (1, 0, 1, 1);
gst_gl_display_check_error (display, __LINE__);
//glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0);
glBegin (GL_QUADS);
glNormal3f (0, 0, -1);
glTexCoord2f (width, 0);
glVertex3f (0.9, 0.9, 0);
glTexCoord2f (0, 0);
glVertex3f (-0.9, 0.9, 0);
glTexCoord2f (0, height);
glVertex3f (-0.9, -0.9, 0);
glTexCoord2f (width, height);
glVertex3f (0.9, -0.9, 0);
glEnd ();
gst_gl_display_check_error (display, __LINE__);
glDeleteTextures (1, &texture);
glDeleteFramebuffersEXT (1, &fbo);
gst_gl_display_check_error (display, __LINE__);
glXSwapBuffers (display->display, display->window);
gst_gl_display_unlock (display);
}
void
gst_gl_display_draw_texture (GstGLDisplay * display, GLuint texture,
int width, int height)
{
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
g_return_if_fail (texture != None);
gst_gl_display_lock (display);
g_assert (display->window != None);
g_assert (display->context != NULL);
gst_gl_display_update_attributes (display);
glViewport (0, 0, display->win_width, display->win_height);
glClearColor (0.3, 0.3, 0.3, 1.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glDisable (GL_CULL_FACE);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glColor4f (1, 1, 1, 1);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glColor4f (1, 0, 1, 1);
gst_gl_display_check_error (display, __LINE__);
glBegin (GL_QUADS);
glNormal3f (0, 0, -1);
glTexCoord2f (width, 0);
glVertex3f (0.9, 0.9, 0);
glTexCoord2f (0, 0);
glVertex3f (-0.9, 0.9, 0);
glTexCoord2f (0, height);
glVertex3f (-0.9, -0.9, 0);
glTexCoord2f (width, height);
glVertex3f (0.9, -0.9, 0);
glEnd ();
gst_gl_display_check_error (display, __LINE__);
glXSwapBuffers (display->display, display->window);
gst_gl_display_unlock (display);
}

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gst-libs/gst/gl/gstgldisplay.h Normal file
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#ifndef __GST_GL_H__
#define __GST_GL_H__
#include <GL/glx.h>
#include <GL/gl.h>
#include <gst/gst.h>
#include <gst/video/video.h>
typedef struct _GstGLDisplay GstGLDisplay;
typedef struct _GstGLDisplayClass GstGLDisplayClass;
#define GST_TYPE_GL_DISPLAY \
(gst_gl_display_get_type())
#define GST_GL_DISPLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DISPLAY,GstGLDisplay))
#define GST_GL_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDisplayClass))
#define GST_IS_GL_DISPLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DISPLAY))
#define GST_IS_GL_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DISPLAY))
struct _GstGLDisplay {
GObject object;
Display *display;
GC gc;
XVisualInfo *visinfo;
GLXContext context;
GMutex *lock;
Screen *screen;
int screen_num;
Visual *visual;
Window root;
guint32 white;
guint32 black;
int depth;
int max_texture_size;
gboolean have_ycbcr_texture;
gboolean have_texture_rectangle;
gboolean have_color_matrix;
Window window;
Window assigned_window;
int win_width;
int win_height;
};
struct _GstGLDisplayClass {
GObjectClass object_class;
};
GType gst_gl_display_get_type (void);
GstGLDisplay *gst_gl_display_new (void);
gboolean gst_gl_display_connect (GstGLDisplay *display,
const char *display_name);
gboolean gst_gl_display_can_handle_type (GstGLDisplay *display,
GstVideoFormat type);
void gst_gl_display_lock (GstGLDisplay *display);
void gst_gl_display_unlock (GstGLDisplay *display);
void gst_gl_display_set_window (GstGLDisplay *display, Window window);
void gst_gl_display_update_attributes (GstGLDisplay *display);
void gst_gl_display_clear (GstGLDisplay *display);
void gst_gl_display_draw_image (GstGLDisplay * display, GstVideoFormat type,
void *data, int width, int height);
void gst_gl_display_draw_rbo (GstGLDisplay * display, GLuint rbo,
int width, int height);
void gst_gl_display_draw_texture (GstGLDisplay * display, GLuint texture,
int width, int height);
void gst_gl_display_check_error (GstGLDisplay *display, int line);
GLuint gst_gl_display_upload_texture_rectangle (GstGLDisplay *display,
GstVideoFormat type, void *data, int width, int height);
#endif