mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 12:11:13 +00:00
Code Issues 1 Projects Releases Wiki Activity

[326/906] add X backend for OpenGL ES 2.0

Browse source
This commit is contained in:
Julien 2009-04-10 20:30:46 +02:00 committed by Tim-Philipp Müller
parent ad8b227ff7
commit fd2028d109
4 changed files with 1169 additions and 222 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

168
gst-libs/gst/gl/gstgldisplay.h
View file

@ -43,50 +43,54 @@ typedef struct _GstGLDisplay GstGLDisplay;
typedef struct _GstGLDisplayClass GstGLDisplayClass;
//Color space conversion method
typedef enum {
GST_GL_DISPLAY_CONVERSION_GLSL, //ARB_fragment_shade
GST_GL_DISPLAY_CONVERSION_MATRIX, //ARB_imaging
GST_GL_DISPLAY_CONVERSION_MESA, //MESA_ycbcr_texture
typedef enum
{
GST_GL_DISPLAY_CONVERSION_GLSL, //ARB_fragment_shade
GST_GL_DISPLAY_CONVERSION_MATRIX, //ARB_imaging
GST_GL_DISPLAY_CONVERSION_MESA, //MESA_ycbcr_texture
} GstGLDisplayConversion;
//Projection type
typedef enum {
typedef enum
{
GST_GL_DISPLAY_PROJECTION_ORTHO2D,
GST_GL_DISPLAY_PROJECTION_PERSPECIVE
} GstGLDisplayProjection;
//Texture pool elements
typedef struct _GstGLDisplayTex {
typedef struct _GstGLDisplayTex
{
GLuint texture;
} GstGLDisplayTex;
//Client callbacks
typedef void (* CRCB) ( GLuint, GLuint );
typedef gboolean (* CDCB) ( GLuint, GLuint, GLuint);
typedef void (*CRCB) (GLuint, GLuint);
typedef gboolean (*CDCB) (GLuint, GLuint, GLuint);
typedef void (* GstGLDisplayThreadFunc) (GstGLDisplay *display, gpointer data);
typedef void (*GstGLDisplayThreadFunc) (GstGLDisplay * display, gpointer data);
//opengl scene callback
typedef void (* GLCB) ( gint, gint, guint, gpointer stuff);
typedef void (*GLCB) (gint, gint, guint, gpointer stuff);
struct _GstGLDisplay {
struct _GstGLDisplay
{
GObject object;
//thread safe
GMutex* mutex;
GMutex *mutex;
//gl context
GThread* gl_thread;
GstGLWindow* gl_window;
GThread *gl_thread;
GstGLWindow *gl_window;
gboolean visible;
gboolean isAlive;
GHashTable* texture_pool;
GHashTable *texture_pool;
//conditions
GCond* cond_create_context;
GCond* cond_destroy_context;
GCond *cond_create_context;
GCond *cond_destroy_context;
//generic gl code
GstGLDisplayThreadFunc generic_callback;
@ -97,9 +101,9 @@ struct _GstGLDisplay {
GLuint redisplay_texture_width;
GLuint redisplay_texture_height;
#ifdef OPENGL_ES2
GstGLShader* redisplay_shader;
GLbyte* redisplay_vertex_shader_str;
GLbyte* redisplay_fragment_shader_str;
GstGLShader *redisplay_shader;
gchar *redisplay_vertex_shader_str;
gchar *redisplay_fragment_shader_str;
GLint redisplay_attr_position_loc;
GLint redisplay_attr_texture_loc;
#endif
@ -149,7 +153,7 @@ struct _GstGLDisplay {
gdouble use_fbo_proj_param3;
gdouble use_fbo_proj_param4;
GstGLDisplayProjection use_fbo_projection;
gpointer* use_fbo_stuff;
gpointer *use_fbo_stuff;
GLuint input_texture_width;
GLuint input_texture_height;
GLuint input_texture;
@ -174,51 +178,52 @@ struct _GstGLDisplay {
GLuint ouput_texture_height;
//action gen and del shader
const gchar* gen_shader_fragment_source;
const gchar* gen_shader_vertex_source;
GstGLShader* gen_shader;
GstGLShader* del_shader;
const gchar *gen_shader_fragment_source;
const gchar *gen_shader_vertex_source;
GstGLShader *gen_shader;
GstGLShader *del_shader;
//fragement shader upload
gchar* text_shader_upload_YUY2_UYVY;
GstGLShader* shader_upload_YUY2;
GstGLShader* shader_upload_UYVY;
gchar *text_shader_upload_YUY2_UYVY;
GstGLShader *shader_upload_YUY2;
GstGLShader *shader_upload_UYVY;
gchar* text_shader_upload_I420_YV12;
GstGLShader* shader_upload_I420_YV12;
gchar *text_shader_upload_I420_YV12;
GstGLShader *shader_upload_I420_YV12;
gchar* text_shader_upload_AYUV;
GstGLShader* shader_upload_AYUV;
gchar *text_shader_upload_AYUV;
GstGLShader *shader_upload_AYUV;
#ifdef OPENGL_ES2
GLbyte* text_vertex_shader_upload;
gchar *text_vertex_shader_upload;
GLint shader_upload_attr_position_loc;
GLint shader_upload_attr_texture_loc;
#endif
//fragement shader download
gchar* text_shader_download_YUY2_UYVY;
GstGLShader* shader_download_YUY2;
GstGLShader* shader_download_UYVY;
gchar *text_shader_download_YUY2_UYVY;
GstGLShader *shader_download_YUY2;
GstGLShader *shader_download_UYVY;
gchar* text_shader_download_I420_YV12;
GstGLShader* shader_download_I420_YV12;
gchar *text_shader_download_I420_YV12;
GstGLShader *shader_download_I420_YV12;
gchar* text_shader_download_AYUV;
GstGLShader* shader_download_AYUV;
gchar *text_shader_download_AYUV;
GstGLShader *shader_download_AYUV;
#ifdef OPENGL_ES2
GLbyte* text_vertex_shader_download;
gchar *text_vertex_shader_download;
GLint shader_download_attr_position_loc;
GLint shader_download_attr_texture_loc;
GLbyte* text_fragment_shader_download_RGB;
GstGLShader* shader_download_RGB;
gchar *text_fragment_shader_download_RGB;
GstGLShader *shader_download_RGB;
#endif
};
struct _GstGLDisplayClass {
struct _GstGLDisplayClass
{
GObjectClass object_class;
};
@ -228,49 +233,50 @@ GType gst_gl_display_get_type (void);
//------------------------------------------------------------
//-------------------- Public declarations ------------------
//------------------------------------------------------------
GstGLDisplay* gst_gl_display_new (void);
GstGLDisplay *gst_gl_display_new (void);
void gst_gl_display_create_context (GstGLDisplay* display,
GLint width, GLint height);
gboolean gst_gl_display_redisplay (GstGLDisplay* display, GLuint texture, gint width, gint height);
void gst_gl_display_create_context (GstGLDisplay * display,
GLint width, GLint height);
gboolean gst_gl_display_redisplay (GstGLDisplay * display, GLuint texture,
gint width, gint height);
void gst_gl_display_thread_add (GstGLDisplay *display,
GstGLDisplayThreadFunc func, gpointer data);
void gst_gl_display_thread_add (GstGLDisplay * display,
GstGLDisplayThreadFunc func, gpointer data);
void gst_gl_display_gen_texture (GstGLDisplay* display, GLuint* pTexture, GLint width, GLint height);
void gst_gl_display_del_texture (GstGLDisplay* display, GLuint texture, GLint width, GLint height);
void gst_gl_display_gen_texture (GstGLDisplay * display, GLuint * pTexture,
GLint width, GLint height);
void gst_gl_display_del_texture (GstGLDisplay * display, GLuint texture,
GLint width, GLint height);
void gst_gl_display_init_upload (GstGLDisplay* display, GstVideoFormat video_format,
guint gl_width, guint gl_height,
gint video_width, gint video_height);
gboolean gst_gl_display_do_upload (GstGLDisplay* display, GLuint texture,
gint data_width, gint data_height,
gpointer data);
void gst_gl_display_init_download (GstGLDisplay* display, GstVideoFormat video_format,
gint width, gint height);
gboolean gst_gl_display_do_download (GstGLDisplay* display, GLuint texture,
gint width, gint height,
gpointer data);
void gst_gl_display_init_upload (GstGLDisplay * display,
GstVideoFormat video_format, guint gl_width, guint gl_height,
gint video_width, gint video_height);
gboolean gst_gl_display_do_upload (GstGLDisplay * display, GLuint texture,
gint data_width, gint data_height, gpointer data);
void gst_gl_display_init_download (GstGLDisplay * display,
GstVideoFormat video_format, gint width, gint height);
gboolean gst_gl_display_do_download (GstGLDisplay * display, GLuint texture,
gint width, gint height, gpointer data);
void gst_gl_display_gen_fbo (GstGLDisplay* display, gint width, gint height,
GLuint* fbo, GLuint* depthbuffer);
gboolean gst_gl_display_use_fbo (GstGLDisplay* display, gint texture_fbo_width, gint texture_fbo_height,
GLuint fbo, GLuint depth_buffer, GLuint texture_fbo, GLCB cb,
gint input_texture_width, gint input_texture_height, GLuint input_texture,
gdouble proj_param1, gdouble proj_param2,
gdouble proj_param3, gdouble proj_param4,
GstGLDisplayProjection projection, gpointer* stuff);
void gst_gl_display_del_fbo (GstGLDisplay* display, GLuint fbo,
GLuint depth_buffer);
void gst_gl_display_gen_fbo (GstGLDisplay * display, gint width, gint height,
GLuint * fbo, GLuint * depthbuffer);
gboolean gst_gl_display_use_fbo (GstGLDisplay * display, gint texture_fbo_width,
gint texture_fbo_height, GLuint fbo, GLuint depth_buffer,
GLuint texture_fbo, GLCB cb, gint input_texture_width,
gint input_texture_height, GLuint input_texture, gdouble proj_param1,
gdouble proj_param2, gdouble proj_param3, gdouble proj_param4,
GstGLDisplayProjection projection, gpointer * stuff);
void gst_gl_display_del_fbo (GstGLDisplay * display, GLuint fbo,
GLuint depth_buffer);
void gst_gl_display_gen_shader (GstGLDisplay* display,
const gchar* shader_vertex_source,
const gchar* shader_fragment_source,
GstGLShader** shader);
void gst_gl_display_del_shader (GstGLDisplay* display, GstGLShader* shader);
void gst_gl_display_gen_shader (GstGLDisplay * display,
const gchar * shader_vertex_source,
const gchar * shader_fragment_source, GstGLShader ** shader);
void gst_gl_display_del_shader (GstGLDisplay * display, GstGLShader * shader);
void gst_gl_display_set_window_id (GstGLDisplay* display, gulong window_id);
void gst_gl_display_set_client_reshape_callback (GstGLDisplay* display, CRCB cb);
void gst_gl_display_set_client_draw_callback (GstGLDisplay* display, CDCB cb);
void gst_gl_display_set_window_id (GstGLDisplay * display, gulong window_id);
void gst_gl_display_set_client_reshape_callback (GstGLDisplay * display,
CRCB cb);
void gst_gl_display_set_client_draw_callback (GstGLDisplay * display, CDCB cb);
#endif

37
gst-libs/gst/gl/gstgles2.h
View file

@ -1,4 +1,4 @@
/*
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
@ -27,9 +27,23 @@
#define GLEW_OK 0
#define GLEW_NO_ERROR 0
static const char* glewGetString (GLenum name) { return "1.5.1"; };
static unsigned int glewInit() { return GLEW_OK;};
static const char* glewGetErrorString (GLenum error) { return GLEW_NO_ERROR; };
static const char *
glewGetString (GLenum name)
{
return "1.5.1";
};
static unsigned int
glewInit ()
{
return GLEW_OK;
};
static const char *
glewGetErrorString (GLenum error)
{
return GLEW_NO_ERROR;
};
#define GLEW_VERSION 1
#define GLEW_VERSION_MAJOR 5
@ -56,6 +70,9 @@ static const char* glewGetErrorString (GLenum error) { return GLEW_NO_ERROR; };
#define GL_DEPTH_ATTACHMENT_EXT GL_DEPTH_ATTACHMENT
#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT GL_FRAMEBUFFER_UNSUPPORTED
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS
#define GL_COLOR_ATTACHMENT0_EXT GL_COLOR_ATTACHMENT0
@ -109,8 +126,16 @@ static const char* glewGetErrorString (GLenum error) { return GLEW_NO_ERROR; };
#define GL_COLOR_ATTACHMENT1_EXT 0
#define GL_COLOR_ATTACHMENT2_EXT 0
static void glReadBuffer(GLenum name) {};
static void glTexEnvi(GLenum name1, GLenum name2, GLenum name3) {};
static void
glReadBuffer (GLenum name)
{
};
static void
glTexEnvi (GLenum name1, GLenum name2, GLenum name3)
{
};
#define GL_TEXTURE_ENV 0
#define GL_TEXTURE_ENV_MODE 0

280
gst-libs/gst/gl/gstglwindow_winCE.c
View file

@ -27,10 +27,12 @@
#define WM_GST_GL_WINDOW_CUSTOM (WM_APP+1)
#define WM_GST_GL_WINDOW_QUIT (WM_APP+2)
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam);
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam);
const gchar* EGLErrorString();
const gchar *EGLErrorString ();
#define GST_GL_WINDOW_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
@ -76,8 +78,8 @@ gst_gl_window_finalize (GObject * object)
}
static void
gst_gl_window_log_handler (const gchar *domain, GLogLevelFlags flags,
const gchar *message, gpointer user_data)
gst_gl_window_log_handler (const gchar * domain, GLogLevelFlags flags,
const gchar * message, gpointer user_data)
{
if (_gst_gl_window_debug) {
g_log_default_handler (domain, flags, message, user_data);
@ -103,9 +105,8 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
atom = GetClassInfo (hinstance, "GSTGL", &wc);
if (atom == 0)
{
ZeroMemory (&wc, sizeof(WNDCLASS));
if (atom == 0) {
ZeroMemory (&wc, sizeof (WNDCLASS));
wc.lpfnWndProc = window_proc;
wc.cbClsExtra = 0;
@ -121,12 +122,12 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
atom = RegisterClass (&wc);
if (atom == 0)
g_error ("Failed to register window class %x\r\n", GetLastError());
g_error ("Failed to register window class %x\r\n", GetLastError ());
}
}
static void
gst_gl_window_init (GstGLWindow *window)
gst_gl_window_init (GstGLWindow * window)
{
window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
@ -134,7 +135,7 @@ gst_gl_window_init (GstGLWindow *window)
_gst_gl_window_debug = TRUE;
g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
gst_gl_window_log_handler, NULL);
gst_gl_window_log_handler, NULL);
}
/* Must be called in the gl thread */
@ -143,7 +144,7 @@ gst_gl_window_new (gint width, gint height)
{
GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
GstGLWindowPrivate *priv = window->priv;
GstGLWindowClass* klass = GST_GL_WINDOW_GET_CLASS (window);
GstGLWindowClass *klass = GST_GL_WINDOW_GET_CLASS (window);
HINSTANCE hinstance = GetModuleHandle (NULL);
@ -167,21 +168,13 @@ gst_gl_window_new (gint width, gint height)
priv->visible = FALSE;
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
height += 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
height +=
2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
priv->internal_win_id = CreateWindow (
"GSTGL",
"OpenGL renderer",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW, //WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION
x, y, width, height,
(HWND) NULL,
(HMENU) NULL,
hinstance,
window
);
priv->internal_win_id = CreateWindow ("GSTGL", "OpenGL renderer", WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW, //WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION
x, y, width, height, (HWND) NULL, (HMENU) NULL, hinstance, window);
if (!priv->internal_win_id)
{
if (!priv->internal_win_id) {
g_debug ("failed to create gl window: %d\n", priv->internal_win_id);
return NULL;
}
@ -206,36 +199,41 @@ gst_gl_window_error_quark (void)
}
void
gst_gl_window_set_external_window_id (GstGLWindow *window, guint64 id)
gst_gl_window_set_external_window_id (GstGLWindow * window, guint64 id)
{
GstGLWindowPrivate *priv = window->priv;
WNDPROC window_parent_proc = (WNDPROC) (guint64) GetWindowLongPtr((HWND)id, GWL_WNDPROC);
WNDPROC window_parent_proc =
(WNDPROC) (guint64) GetWindowLongPtr ((HWND) id, GWL_WNDPROC);
RECT rect;
SetProp (priv->internal_win_id, "gl_window_parent_id", (HWND)id);
SetProp ((HWND)id, "gl_window_id", priv->internal_win_id);
SetProp ((HWND)id, "gl_window_parent_proc", (WNDPROC) window_parent_proc);
SetWindowLongPtr ((HWND)id, GWL_WNDPROC, (DWORD) (guint64) sub_class_proc);
SetProp (priv->internal_win_id, "gl_window_parent_id", (HWND) id);
SetProp ((HWND) id, "gl_window_id", priv->internal_win_id);
SetProp ((HWND) id, "gl_window_parent_proc", (WNDPROC) window_parent_proc);
SetWindowLongPtr ((HWND) id, GWL_WNDPROC, (DWORD) (guint64) sub_class_proc);
SetWindowLongPtr (priv->internal_win_id, GWL_STYLE, WS_CHILD | WS_MAXIMIZE);
SetParent (priv->internal_win_id, (HWND)id);
SetParent (priv->internal_win_id, (HWND) id);
//take changes into account: SWP_FRAMECHANGED
GetClientRect ((HWND)id, &rect);
SetWindowPos (priv->internal_win_id, HWND_TOP, rect.left, rect.top, rect.right, rect.bottom,
SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOACTIVATE);
MoveWindow (priv->internal_win_id, rect.left, rect.top, rect.right, rect.bottom, FALSE);
GetClientRect ((HWND) id, &rect);
SetWindowPos (priv->internal_win_id, HWND_TOP, rect.left, rect.top,
rect.right, rect.bottom,
SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
SWP_FRAMECHANGED | SWP_NOACTIVATE);
MoveWindow (priv->internal_win_id, rect.left, rect.top, rect.right,
rect.bottom, FALSE);
}
void
gst_gl_window_set_external_gl_context (GstGLWindow *window, guint64 context)
gst_gl_window_set_external_gl_context (GstGLWindow * window, guint64 context)
{
g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
}
/* Must be called in the gl thread */
void
gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
@ -245,7 +243,8 @@ gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gp
/* Must be called in the gl thread */
void
gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback , gpointer data)
gst_gl_window_set_resize_callback (GstGLWindow * window,
GstGLWindowCB2 callback, gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
@ -255,7 +254,8 @@ gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback
/* Must be called in the gl thread */
void
gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
@ -264,29 +264,28 @@ gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, g
}
void
gst_gl_window_draw_unlocked (GstGLWindow *window)
gst_gl_window_draw_unlocked (GstGLWindow * window)
{
gst_gl_window_draw (window);
}
/* Thread safe */
void
gst_gl_window_draw (GstGLWindow *window)
gst_gl_window_draw (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
if (!priv->visible)
{
if (!priv->visible) {
ShowWindowAsync (priv->internal_win_id, SW_SHOW);
priv->visible = TRUE;
}
RedrawWindow (priv->internal_win_id, NULL, NULL,
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
}
void
gst_gl_window_run_loop (GstGLWindow *window)
gst_gl_window_run_loop (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
gboolean running = TRUE;
@ -295,18 +294,14 @@ gst_gl_window_run_loop (GstGLWindow *window)
g_debug ("begin loop\n");
while (running && (bRet = GetMessage (&msg, NULL, 0, 0)) != 0)
{
if (bRet == -1)
{
g_error ("Failed to get message %x\r\n", GetLastError());
running = FALSE;
}
else
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
while (running && (bRet = GetMessage (&msg, NULL, 0, 0)) != 0) {
if (bRet == -1) {
g_error ("Failed to get message %x\r\n", GetLastError ());
running = FALSE;
} else {
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
g_debug ("end loop\n");
@ -314,12 +309,13 @@ gst_gl_window_run_loop (GstGLWindow *window)
/* Thread safe */
void
gst_gl_window_quit_loop (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
gst_gl_window_quit_loop (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
if (window)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
LRESULT res = PostMessage(priv->internal_win_id, WM_GST_GL_WINDOW_QUIT, (WPARAM) data, (LPARAM) callback);
LRESULT res = PostMessage (priv->internal_win_id, WM_GST_GL_WINDOW_QUIT,
(WPARAM) data, (LPARAM) callback);
g_assert (SUCCEEDED (res));
g_debug ("end loop requested\n");
}
@ -327,21 +323,24 @@ gst_gl_window_quit_loop (GstGLWindow *window, GstGLWindowCB callback, gpointer d
/* Thread safe */
void
gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
if (window)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
LRESULT res = SendMessage (priv->internal_win_id, WM_GST_GL_WINDOW_CUSTOM, (WPARAM) data, (LPARAM) callback);
LRESULT res = SendMessage (priv->internal_win_id, WM_GST_GL_WINDOW_CUSTOM,
(WPARAM) data, (LPARAM) callback);
g_assert (SUCCEEDED (res));
}
}
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
LRESULT CALLBACK
window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_CREATE) {
GstGLWindow *window = (GstGLWindow *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
GstGLWindow *window =
(GstGLWindow *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
g_debug ("WM_CREATE\n");
@ -352,68 +351,79 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
EGLint minorVersion;
EGLint numConfigs;
EGLConfig config;
EGLint contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE };
EGLint attribList[] =
{
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 8,
EGL_STENCIL_SIZE, 8,
EGL_SAMPLE_BUFFERS, EGL_DONT_CARE, //1
EGLint contextAttribs[] =
{ EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE };
EGLint attribList[] = {
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 8,
EGL_STENCIL_SIZE, 8,
EGL_SAMPLE_BUFFERS, EGL_DONT_CARE, //1
EGL_NONE
};
GstGLWindowPrivate *priv = window->priv;
priv->display = eglGetDisplay (GetDC (hWnd));
if (priv->display != EGL_NO_DISPLAY)
g_debug ("display retrieved: %d\n", priv->display);
else
g_debug ("failed to retrieve display %d, %s\n", hWnd, EGLErrorString());
g_debug ("failed to retrieve display %d, %s\n", hWnd,
EGLErrorString ());
if (eglInitialize (priv->display, &majorVersion, &minorVersion))
g_debug ("egl initialized: %d.%d\n", majorVersion, minorVersion);
else
g_debug ("failed to initialize egl %d, %s\n", priv->display, EGLErrorString());
g_debug ("failed to initialize egl %d, %s\n", priv->display,
EGLErrorString ());
if (eglGetConfigs (priv->display, NULL, 0, &numConfigs))
g_debug ("configs retrieved: %d\n", numConfigs);
else
g_debug ("failed to retrieve configs %d, %s\n", priv->display, EGLErrorString());
g_debug ("failed to retrieve configs %d, %s\n", priv->display,
EGLErrorString ());
if (eglChooseConfig (priv->display, attribList, &config, 1, &numConfigs))
g_debug ("config set: %d, %d\n", config, numConfigs);
else
g_debug ("failed to set config %d, %s\n", priv->display, EGLErrorString());
g_debug ("failed to set config %d, %s\n", priv->display,
EGLErrorString ());
priv->surface = eglCreateWindowSurface (priv->display, config, (EGLNativeWindowType)hWnd, NULL);
priv->surface =
eglCreateWindowSurface (priv->display, config,
(EGLNativeWindowType) hWnd, NULL);
if (priv->surface != EGL_NO_SURFACE)
g_debug ("surface created: %d\n", priv->surface);
else
g_debug ("failed to create surface %d, %d, %d, %s\n", priv->display, priv->surface, hWnd, EGLErrorString());
g_debug ("failed to create surface %d, %d, %d, %s\n", priv->display,
priv->surface, hWnd, EGLErrorString ());
priv->gl_context = eglCreateContext (priv->display, config, EGL_NO_CONTEXT, contextAttribs);
priv->gl_context =
eglCreateContext (priv->display, config, EGL_NO_CONTEXT,
contextAttribs);
if (priv->gl_context != EGL_NO_CONTEXT)
g_debug ("gl context created: %d\n", priv->gl_context);
else
g_debug ("failed to create glcontext %d, %d, s\n", priv->gl_context, hWnd, EGLErrorString());
g_debug ("failed to create glcontext %d, %d, %s\n", priv->gl_context,
hWnd, EGLErrorString ());
ReleaseDC (hWnd, priv->display);
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface, priv->gl_context))
g_debug ("failed to make opengl context current %d, %s\n", hWnd, EGLErrorString());
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface,
priv->gl_context))
g_debug ("failed to make opengl context current %d, %s\n", hWnd,
EGLErrorString ());
}
SetProp (hWnd, "gl_window", window);
return 0;
}
else if (GetProp(hWnd, "gl_window")) {
} else if (GetProp (hWnd, "gl_window")) {
GstGLWindow *window = GetProp(hWnd, "gl_window");
GstGLWindow *window = GetProp (hWnd, "gl_window");
GstGLWindowPrivate *priv = NULL;
g_assert (window);
@ -424,21 +434,20 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
g_assert (priv->internal_win_id == hWnd);
g_assert (priv->gl_context == eglGetCurrentContext());
g_assert (priv->gl_context == eglGetCurrentContext ());
switch ( uMsg ) {
switch (uMsg) {
case WM_SIZE:
{
if (priv->resize_cb)
priv->resize_cb (priv->resize_data, LOWORD(lParam), HIWORD(lParam));
priv->resize_cb (priv->resize_data, LOWORD (lParam), HIWORD (lParam));
break;
}
case WM_PAINT:
{
if (priv->draw_cb)
{
if (priv->draw_cb) {
priv->draw_cb (priv->draw_data);
eglSwapBuffers (priv->display, priv->surface);
ValidateRect (hWnd, NULL);
@ -451,14 +460,14 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
ShowWindowAsync (priv->internal_win_id, SW_HIDE);
if (priv->close_cb)
priv->close_cb (priv->close_data);
priv->close_cb (priv->close_data);
priv->draw_cb = NULL;
priv->draw_data = NULL;
priv->resize_cb = NULL;
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
priv->draw_cb = NULL;
priv->draw_data = NULL;
priv->resize_cb = NULL;
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
break;
}
@ -472,13 +481,13 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
destroy_cb ((gpointer) wParam);
parent_id = GetProp (hWnd, "gl_window_parent_id");
if (parent_id)
{
if (parent_id) {
WNDPROC parent_proc = GetProp (parent_id, "gl_window_parent_proc");
g_assert (parent_proc);
SetWindowLongPtr (parent_id, GWL_WNDPROC, (LONG) (guint64) parent_proc);
SetWindowLongPtr (parent_id, GWL_WNDPROC,
(LONG) (guint64) parent_proc);
SetParent (hWnd, NULL);
RemoveProp (parent_id, "gl_window_parent_proc");
@ -488,34 +497,36 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
priv->is_closed = TRUE;
RemoveProp (hWnd, "gl_window");
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface, EGL_NO_CONTEXT))
g_debug ("failed to make current null context %d, %s\n", priv->display, EGLErrorString());
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface,
EGL_NO_CONTEXT))
g_debug ("failed to make current null context %d, %s\n",
priv->display, EGLErrorString ());
if (priv->gl_context)
{
if (priv->gl_context) {
if (!eglDestroyContext (priv->display, priv->gl_context))
g_debug ("failed to destroy context %d, %s\n", priv->gl_context, EGLErrorString());
g_debug ("failed to destroy context %d, %s\n", priv->gl_context,
EGLErrorString ());
priv->gl_context = NULL;
}
if (priv->surface)
{
if (priv->surface) {
if (!eglDestroySurface (priv->display, priv->surface))
g_debug ("failed to destroy surface %d, %s\n", priv->surface, EGLErrorString());
g_debug ("failed to destroy surface %d, %s\n", priv->surface,
EGLErrorString ());
priv->surface = NULL;
}
if (priv->surface)
{
if (priv->surface) {
if (!eglTerminate (priv->display))
g_debug ("failed to terminate display %d, %s\n", priv->display, EGLErrorString());
g_debug ("failed to terminate display %d, %s\n", priv->display,
EGLErrorString ());
priv->surface = NULL;
}
if (priv->internal_win_id)
{
if (!DestroyWindow(priv->internal_win_id))
g_debug ("failed to destroy window %d, 0x%x\n", hWnd, GetLastError());
if (priv->internal_win_id) {
if (!DestroyWindow (priv->internal_win_id))
g_debug ("failed to destroy window %d, 0x%x\n", hWnd,
GetLastError ());
}
PostQuitMessage (0);
@ -532,8 +543,7 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
case WM_GST_GL_WINDOW_CUSTOM:
{
if (!priv->is_closed)
{
if (!priv->is_closed) {
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
custom_cb ((gpointer) wParam);
}
@ -554,28 +564,28 @@ LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
}
return 0;
}
else
return DefWindowProc( hWnd, uMsg, wParam, lParam );
} else
return DefWindowProc (hWnd, uMsg, wParam, lParam);
}
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
LRESULT FAR PASCAL
sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
WNDPROC window_parent_proc = GetProp (hWnd, "gl_window_parent_proc");
if (uMsg == WM_SIZE)
{
if (uMsg == WM_SIZE) {
HWND gl_window_id = GetProp (hWnd, "gl_window_id");
MoveWindow (gl_window_id, 0, 0, LOWORD(lParam), HIWORD(lParam), FALSE);
MoveWindow (gl_window_id, 0, 0, LOWORD (lParam), HIWORD (lParam), FALSE);
}
return CallWindowProc (window_parent_proc, hWnd, uMsg, wParam, lParam);
}
const gchar* EGLErrorString()
const gchar *
EGLErrorString ()
{
EGLint nErr = eglGetError();
switch(nErr){
EGLint nErr = eglGetError ();
switch (nErr) {
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_BAD_DISPLAY:

906
gst-libs/gst/gl/gstglwindow_x11ES2.c Normal file
View file

@ -0,0 +1,906 @@
/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
*
* 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 "gstglwindow.h"
#include <locale.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#define GST_GL_WINDOW_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
/* A gl window is created and deleted in a thread dedicated to opengl calls
The name contains "window" because an opengl context is used in cooperation
with a window */
const gchar *EGLErrorString ();
enum
{
ARG_0,
ARG_DISPLAY
};
struct _GstGLWindowPrivate
{
/* X is not thread safe */
GMutex *x_lock;
GCond *cond_send_message;
gboolean running;
gboolean visible;
gboolean allow_extra_expose_events;
/* X context */
gchar *display_name;
Display *device;
gint screen_num;
Window root;
gint depth;
gint device_width;
gint device_height;
gint connection;
XVisualInfo *visual_info;
Window parent;
Window internal_win_id;
/* We use a specific connection to send events */
Display *disp_send;
/* EGL */
EGLContext gl_context;
EGLDisplay gl_display;
EGLSurface gl_surface;
/* frozen callbacks */
GstGLWindowCB draw_cb;
gpointer draw_data;
GstGLWindowCB2 resize_cb;
gpointer resize_data;
GstGLWindowCB close_cb;
gpointer close_data;
};
G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "GstGLWindow"
gboolean _gst_gl_window_debug = FALSE;
/* Must be called in the gl thread */
static void
gst_gl_window_finalize (GObject * object)
{
GstGLWindow *window = GST_GL_WINDOW (object);
GstGLWindowPrivate *priv = window->priv;
XEvent event;
Bool ret = TRUE;
g_mutex_lock (priv->x_lock);
priv->parent = 0;
XUnmapWindow (priv->device, priv->internal_win_id);
ret =
eglMakeCurrent (priv->device, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
if (!ret)
g_debug ("failed to release opengl context\n");
eglDestroyContext (priv->device, priv->gl_context);
eglTerminate (priv->device);
XFree (priv->visual_info);
XReparentWindow (priv->device, priv->internal_win_id, priv->root, 0, 0);
XDestroyWindow (priv->device, priv->internal_win_id);
XSync (priv->device, FALSE);
while (XPending (priv->device))
XNextEvent (priv->device, &event);
XSetCloseDownMode (priv->device, DestroyAll);
/*XAddToSaveSet (display, w)
Display *display;
Window w; */
//FIXME: it seems it causes destroy all created windows, even by other display connection:
//This is case in: gst-launch-0.10 videotestsrc ! tee name=t t. ! queue ! glimagesink t. ! queue ! glimagesink
//When the first window is closed and so its display is closed by the following line, then the other Window managed by the
//other glimagesink, is not useable and so each opengl call causes a segmentation fault.
//Maybe the solution is to use: XAddToSaveSet
//The following line is commented to avoid the disagreement explained before.
//XCloseDisplay (priv->device);
g_debug ("display receiver closed\n");
XCloseDisplay (priv->disp_send);
g_debug ("display sender closed\n");
if (priv->cond_send_message) {
g_cond_free (priv->cond_send_message);
priv->cond_send_message = NULL;
}
g_mutex_unlock (priv->x_lock);
if (priv->x_lock) {
g_mutex_free (priv->x_lock);
priv->x_lock = NULL;
}
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
static void
gst_gl_window_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLWindow *window;
GstGLWindowPrivate *priv;
g_return_if_fail (GST_GL_IS_WINDOW (object));
window = GST_GL_WINDOW (object);
priv = window->priv;
switch (prop_id) {
case ARG_DISPLAY:
priv->display_name = g_strdup (g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_window_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLWindow *window;
GstGLWindowPrivate *priv;
g_return_if_fail (GST_GL_IS_WINDOW (object));
window = GST_GL_WINDOW (object);
priv = window->priv;
switch (prop_id) {
case ARG_DISPLAY:
g_value_set_string (value, priv->display_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_window_log_handler (const gchar * domain, GLogLevelFlags flags,
const gchar * message, gpointer user_data)
{
if (_gst_gl_window_debug) {
g_log_default_handler (domain, flags, message, user_data);
}
}
static void
gst_gl_window_class_init (GstGLWindowClass * klass)
{
GObjectClass *obj_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
obj_class->finalize = gst_gl_window_finalize;
obj_class->set_property = gst_gl_window_set_property;
obj_class->get_property = gst_gl_window_get_property;
g_object_class_install_property (obj_class, ARG_DISPLAY,
g_param_spec_string ("display", "Display", "X Display name", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_gl_window_init (GstGLWindow * window)
{
window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
if (g_getenv ("GST_GL_WINDOW_DEBUG") != NULL)
_gst_gl_window_debug = TRUE;
g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
gst_gl_window_log_handler, NULL);
}
/* Must be called in the gl thread */
GstGLWindow *
gst_gl_window_new (gint width, gint height)
{
GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
GstGLWindowPrivate *priv = window->priv;
EGLint config_attrib[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
EGLint context_attrib[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLint majorVersion;
EGLint minorVersion;
EGLint numConfigs;
EGLConfig config;
XSetWindowAttributes win_attr;
XTextProperty text_property;
XWMHints wm_hints;
unsigned long mask;
const gchar *title = "OpenGL renderer";
Atom wm_atoms[3];
static gint x = 0;
static gint y = 0;
setlocale (LC_NUMERIC, "C");
priv->x_lock = g_mutex_new ();
priv->cond_send_message = g_cond_new ();
priv->running = TRUE;
priv->visible = FALSE;
priv->parent = 0;
priv->allow_extra_expose_events = TRUE;
g_mutex_lock (priv->x_lock);
priv->device = XOpenDisplay (priv->display_name);
XSynchronize (priv->device, FALSE);
g_debug ("gl device id: %ld\n", (gulong) priv->device);
priv->disp_send = XOpenDisplay (priv->display_name);
XSynchronize (priv->disp_send, FALSE);
g_debug ("gl display sender: %ld\n", (gulong) priv->disp_send);
priv->screen_num = DefaultScreen (priv->device);
priv->root = RootWindow (priv->device, priv->screen_num);
priv->depth = DefaultDepth (priv->device, priv->screen_num);
g_debug ("gl root id: %" G_GUINT64_FORMAT "\n", (guint64) priv->root);
priv->device_width = DisplayWidth (priv->device, priv->screen_num);
priv->device_height = DisplayHeight (priv->device, priv->screen_num);
priv->visual_info = g_new0 (XVisualInfo, 1);
XMatchVisualInfo (priv->device, priv->screen_num, priv->depth, TrueColor,
priv->visual_info);
win_attr.event_mask =
StructureNotifyMask | ExposureMask | VisibilityChangeMask;
win_attr.do_not_propagate_mask = NoEventMask;
win_attr.background_pixmap = None;
win_attr.background_pixel = 0;
win_attr.border_pixel = 0;
win_attr.colormap =
XCreateColormap (priv->device, priv->root, priv->visual_info->visual,
AllocNone);
mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
priv->internal_win_id = XCreateWindow (priv->device, priv->root, x, y,
width, height, 0, priv->visual_info->depth, InputOutput,
priv->visual_info->visual, mask, &win_attr);
x += 20;
y += 20;
XSync (priv->device, FALSE);
XSetWindowBackgroundPixmap (priv->device, priv->internal_win_id, None);
g_debug ("gl window id: %" G_GUINT64_FORMAT "\n",
(guint64) priv->internal_win_id);
g_debug ("gl window props: x:%d y:%d w:%d h:%d\n", x, y, width, height);
wm_atoms[0] = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
if (wm_atoms[0] == None)
g_debug ("Cannot create WM_DELETE_WINDOW\n");
wm_atoms[1] = XInternAtom (priv->device, "WM_GL_WINDOW", False);
if (wm_atoms[1] == None)
g_debug ("Cannot create WM_GL_WINDOW\n");
wm_atoms[2] = XInternAtom (priv->device, "WM_QUIT_LOOP", False);
if (wm_atoms[2] == None)
g_debug ("Cannot create WM_QUIT_LOOP\n");
XSetWMProtocols (priv->device, priv->internal_win_id, wm_atoms, 2);
wm_hints.flags = StateHint;
wm_hints.initial_state = NormalState;
wm_hints.input = False;
XStringListToTextProperty ((char **) &title, 1, &text_property);
XSetWMProperties (priv->device, priv->internal_win_id, &text_property,
&text_property, 0, 0, NULL, &wm_hints, NULL);
XFree (text_property.value);
priv->gl_display = eglGetDisplay ((EGLNativeDisplayType) priv->device);
if (eglInitialize (priv->gl_display, &majorVersion, &minorVersion))
g_debug ("egl initialized: %d.%d\n", majorVersion, minorVersion);
else
g_debug ("failed to initialize egl %ld, %s\n", (gulong) priv->gl_display,
EGLErrorString ());
if (eglChooseConfig (priv->gl_display, config_attrib, &config, 1,
&numConfigs))
g_debug ("config set: %ld, %ld\n", (gulong) config, (gulong) numConfigs);
else
g_debug ("failed to set config %ld, %s\n", (gulong) priv->gl_display,
EGLErrorString ());
priv->gl_surface =
eglCreateWindowSurface (priv->gl_display, config,
(EGLNativeWindowType) priv->internal_win_id, NULL);
if (priv->gl_surface != EGL_NO_SURFACE)
g_debug ("surface created: %ld\n", (gulong) priv->gl_surface);
else
g_debug ("failed to create surface %ld, %ld, %ld, %s\n",
(gulong) priv->gl_display, (gulong) priv->gl_surface,
(gulong) priv->gl_display, EGLErrorString ());
priv->gl_context =
eglCreateContext (priv->gl_display, config, EGL_NO_CONTEXT,
context_attrib);
if (priv->gl_context != EGL_NO_CONTEXT)
g_debug ("gl context created: %ld\n", (gulong) priv->gl_context);
else
g_debug ("failed to create glcontext %ld, %ld, %s\n",
(gulong) priv->gl_context, (gulong) priv->gl_display,
EGLErrorString ());
if (!eglMakeCurrent (priv->gl_display, priv->gl_surface, priv->gl_surface,
priv->gl_context))
g_debug ("failed to make opengl context current %ld, %s\n",
(gulong) priv->gl_display, EGLErrorString ());
g_mutex_unlock (priv->x_lock);
return window;
}
GQuark
gst_gl_window_error_quark (void)
{
return g_quark_from_static_string ("gst-gl-window-error");
}
/* Not called by the gl thread */
void
gst_gl_window_set_external_window_id (GstGLWindow * window, guint64 id)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
XWindowAttributes attr;
g_mutex_lock (priv->x_lock);
priv->parent = (Window) id;
g_debug ("set parent window id: %" G_GUINT64_FORMAT "\n", id);
XGetWindowAttributes (priv->disp_send, priv->parent, &attr);
XResizeWindow (priv->disp_send, priv->internal_win_id, attr.width,
attr.height);
XReparentWindow (priv->disp_send, priv->internal_win_id, priv->parent,
attr.x, attr.y);
XSync (priv->disp_send, FALSE);
g_mutex_unlock (priv->x_lock);
}
}
void
gst_gl_window_set_external_gl_context (GstGLWindow * window, guint64 context)
{
g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
}
void
gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
priv->draw_cb = callback;
priv->draw_data = data;
g_mutex_unlock (priv->x_lock);
}
void
gst_gl_window_set_resize_callback (GstGLWindow * window,
GstGLWindowCB2 callback, gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
priv->resize_cb = callback;
priv->resize_data = data;
g_mutex_unlock (priv->x_lock);
}
void
gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
priv->close_cb = callback;
priv->close_data = data;
g_mutex_unlock (priv->x_lock);
}
/* Called in the gl thread */
void
gst_gl_window_draw_unlocked (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
if (priv->running && priv->allow_extra_expose_events) {
XEvent event;
XWindowAttributes attr;
XGetWindowAttributes (priv->device, priv->internal_win_id, &attr);
event.xexpose.type = Expose;
event.xexpose.send_event = TRUE;
event.xexpose.display = priv->device;
event.xexpose.window = priv->internal_win_id;
event.xexpose.x = attr.x;
event.xexpose.y = attr.y;
event.xexpose.width = attr.width;
event.xexpose.height = attr.height;
event.xexpose.count = 0;
XSendEvent (priv->device, priv->internal_win_id, FALSE, ExposureMask,
&event);
XSync (priv->disp_send, FALSE);
}
}
/* Not called by the gl thread */
void
gst_gl_window_draw (GstGLWindow * window)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
if (priv->running) {
XEvent event;
XWindowAttributes attr;
if (!priv->visible) {
XMapWindow (priv->disp_send, priv->internal_win_id);
priv->visible = TRUE;
}
XGetWindowAttributes (priv->disp_send, priv->internal_win_id, &attr);
if (priv->parent) {
XWindowAttributes attr_parent;
XGetWindowAttributes (priv->disp_send, priv->parent, &attr_parent);
if (attr.x != attr_parent.x || attr.y != attr_parent.y ||
attr.width != attr_parent.width
|| attr.height != attr_parent.height) {
XMoveResizeWindow (priv->disp_send, priv->internal_win_id,
attr_parent.x, attr_parent.y, attr_parent.width,
attr_parent.height);
XSync (priv->disp_send, FALSE);
attr.x = attr_parent.x;
attr.y = attr_parent.y;
attr.width = attr_parent.width;
attr.height = attr_parent.height;
g_debug ("parent resize: %d, %d, %d, %d\n", attr_parent.x,
attr_parent.y, attr_parent.width, attr_parent.height);
}
}
event.xexpose.type = Expose;
event.xexpose.send_event = TRUE;
event.xexpose.display = priv->disp_send;
event.xexpose.window = priv->internal_win_id;
event.xexpose.x = attr.x;
event.xexpose.y = attr.y;
event.xexpose.width = attr.width;
event.xexpose.height = attr.height;
event.xexpose.count = 0;
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, ExposureMask,
&event);
XSync (priv->disp_send, FALSE);
}
g_mutex_unlock (priv->x_lock);
}
}
/* Called in the gl thread */
void
gst_gl_window_run_loop (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
g_debug ("begin loop\n");
g_mutex_lock (priv->x_lock);
while (priv->running) {
XEvent event;
XEvent pending_event;
g_mutex_unlock (priv->x_lock);
/* XSendEvent (which are called in other threads) are done from another display structure */
XNextEvent (priv->device, &event);
g_mutex_lock (priv->x_lock);
// use in generic/cube and other related uses
priv->allow_extra_expose_events = XPending (priv->device) <= 2;
switch (event.type) {
case ClientMessage:
{
Atom wm_delete = XInternAtom (priv->device, "WM_DELETE_WINDOW", True);
Atom wm_gl = XInternAtom (priv->device, "WM_GL_WINDOW", True);
Atom wm_quit_loop = XInternAtom (priv->device, "WM_QUIT_LOOP", True);
if (wm_delete == None)
g_debug ("Cannot create WM_DELETE_WINDOW\n");
if (wm_gl == None)
g_debug ("Cannot create WM_GL_WINDOW\n");
if (wm_quit_loop == None)
g_debug ("Cannot create WM_QUIT_LOOP\n");
/* Message sent with gst_gl_window_send_message */
if (wm_gl != None && event.xclient.message_type == wm_gl) {
if (priv->running) {
#if SIZEOF_VOID_P == 8
GstGLWindowCB custom_cb =
(GstGLWindowCB) (((event.xclient.data.
l[0] & 0xffffffff) << 32) | (event.xclient.data.
l[1] & 0xffffffff));
gpointer custom_data =
(gpointer) (((event.xclient.data.
l[2] & 0xffffffff) << 32) | (event.xclient.data.
l[3] & 0xffffffff));
#else
GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
gpointer custom_data = (gpointer) event.xclient.data.l[1];
#endif
if (!custom_cb || !custom_data)
g_debug ("custom cb not initialized\n");
custom_cb (custom_data);
}
g_cond_signal (priv->cond_send_message);
}
/* User clicked on the cross */
else if (wm_delete != None
&& (Atom) event.xclient.data.l[0] == wm_delete) {
g_debug ("Close %" G_GUINT64_FORMAT "\n",
(guint64) priv->internal_win_id);
if (priv->close_cb)
priv->close_cb (priv->close_data);
priv->draw_cb = NULL;
priv->draw_data = NULL;
priv->resize_cb = NULL;
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
}
/* message sent with gst_gl_window_quit_loop */
else if (wm_quit_loop != None
&& event.xclient.message_type == wm_quit_loop) {
#if SIZEOF_VOID_P == 8
GstGLWindowCB destroy_cb =
(GstGLWindowCB) (((event.xclient.data.
l[0] & 0xffffffff) << 32) | (event.xclient.data.
l[1] & 0xffffffff));
gpointer destroy_data =
(gpointer) (((event.xclient.data.
l[2] & 0xffffffff) << 32) | (event.xclient.data.
l[3] & 0xffffffff));
#else
GstGLWindowCB destroy_cb = (GstGLWindowCB) event.xclient.data.l[0];
gpointer destroy_data = (gpointer) event.xclient.data.l[1];
#endif
g_debug ("Quit loop message %" G_GUINT64_FORMAT "\n",
(guint64) priv->internal_win_id);
/* exit loop */
priv->running = FALSE;
/* make sure last pendings send message calls are executed */
XFlush (priv->device);
while (XCheckTypedEvent (priv->device, ClientMessage, &pending_event)) {
#if SIZEOF_VOID_P == 8
GstGLWindowCB custom_cb =
(GstGLWindowCB) (((event.xclient.data.
l[0] & 0xffffffff) << 32) | (event.xclient.data.
l[1] & 0xffffffff));
gpointer custom_data =
(gpointer) (((event.xclient.data.
l[2] & 0xffffffff) << 32) | (event.xclient.data.
l[3] & 0xffffffff));
#else
GstGLWindowCB custom_cb = (GstGLWindowCB) event.xclient.data.l[0];
gpointer custom_data = (gpointer) event.xclient.data.l[1];
#endif
g_debug ("execute last pending custom x events\n");
if (!custom_cb || !custom_data)
g_debug ("custom cb not initialized\n");
custom_cb (custom_data);
g_cond_signal (priv->cond_send_message);
}
/* Finally we can destroy opengl ressources (texture/shaders/fbo) */
if (!destroy_cb || !destroy_data)
g_debug ("destroy cb not correclty set\n");
destroy_cb (destroy_data);
} else
g_debug ("client message not reconized \n");
break;
}
case CreateNotify:
case ConfigureNotify:
{
if (priv->resize_cb)
priv->resize_cb (priv->resize_data, event.xconfigure.width,
event.xconfigure.height);
break;
}
case DestroyNotify:
g_debug ("DestroyNotify\n");
break;
case Expose:
if (priv->draw_cb) {
priv->draw_cb (priv->draw_data);
glFlush ();
eglSwapBuffers (priv->gl_display, priv->gl_surface);
}
break;
case VisibilityNotify:
{
switch (event.xvisibility.state) {
case VisibilityUnobscured:
if (priv->draw_cb)
priv->draw_cb (priv->draw_data);
break;
case VisibilityPartiallyObscured:
if (priv->draw_cb)
priv->draw_cb (priv->draw_data);
break;
case VisibilityFullyObscured:
break;
default:
g_debug ("unknown xvisibility event: %d\n",
event.xvisibility.state);
break;
}
break;
}
default:
g_debug ("unknow\n");
break;
} // switch
} // while running
g_mutex_unlock (priv->x_lock);
g_debug ("end loop\n");
}
/* Not called by the gl thread */
void
gst_gl_window_quit_loop (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
if (priv->running) {
XEvent event;
event.xclient.type = ClientMessage;
event.xclient.send_event = TRUE;
event.xclient.display = priv->disp_send;
event.xclient.window = priv->internal_win_id;
event.xclient.message_type =
XInternAtom (priv->disp_send, "WM_QUIT_LOOP", True);;
event.xclient.format = 32;
#if SIZEOF_VOID_P == 8
event.xclient.data.l[0] = (((long) callback) >> 32) & 0xffffffff;
event.xclient.data.l[1] = (((long) callback)) & 0xffffffff;
event.xclient.data.l[2] = (((long) data) >> 32) & 0xffffffff;
event.xclient.data.l[3] = (((long) data)) & 0xffffffff;
#else
event.xclient.data.l[0] = (long) callback;
event.xclient.data.l[1] = (long) data;
#endif
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, NoEventMask,
&event);
XSync (priv->disp_send, FALSE);
}
g_mutex_unlock (priv->x_lock);
}
}
/* Not called by the gl thread */
void
gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
if (window) {
GstGLWindowPrivate *priv = window->priv;
g_mutex_lock (priv->x_lock);
if (priv->running) {
XEvent event;
event.xclient.type = ClientMessage;
event.xclient.send_event = TRUE;
event.xclient.display = priv->disp_send;
event.xclient.window = priv->internal_win_id;
event.xclient.message_type =
XInternAtom (priv->disp_send, "WM_GL_WINDOW", True);
event.xclient.format = 32;
#if SIZEOF_VOID_P == 8
event.xclient.data.l[0] = (((long) callback) >> 32) & 0xffffffff;
event.xclient.data.l[1] = (((long) callback)) & 0xffffffff;
event.xclient.data.l[2] = (((long) data) >> 32) & 0xffffffff;
event.xclient.data.l[3] = (((long) data)) & 0xffffffff;
#else
event.xclient.data.l[0] = (long) callback;
event.xclient.data.l[1] = (long) data;
#endif
XSendEvent (priv->disp_send, priv->internal_win_id, FALSE, NoEventMask,
&event);
XSync (priv->disp_send, FALSE);
/* block until opengl calls have been executed in the gl thread */
g_cond_wait (priv->cond_send_message, priv->x_lock);
}
g_mutex_unlock (priv->x_lock);
}
}
const gchar *
EGLErrorString ()
{
EGLint nErr = eglGetError ();
switch (nErr) {
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
default:
return "unknown";
}
}