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;
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
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;
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;
};
//------------------------------------------------------------
//-------------------- Public declarations ------------------
//------------------------------------------------------------
-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_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_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_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);
+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_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_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_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);
#endif
-/*
+/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
#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
#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
#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
#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))
}
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);
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;
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);
_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 */
{
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);
priv->visible = FALSE;
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
- 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
- );
-
- if (!priv->internal_win_id)
- {
+ 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);
+
+ if (!priv->internal_win_id) {
g_debug ("failed to create gl window: %d\n", priv->internal_win_id);
return NULL;
}
}
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;
/* 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;
/* 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;
}
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;
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");
/* 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");
}
/* 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");
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);
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);
ShowWindowAsync (priv->internal_win_id, SW_HIDE);
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;
+ 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;
break;
}
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");
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);
case WM_GST_GL_WINDOW_CUSTOM:
{
- if (!priv->is_closed)
- {
+ if (!priv->is_closed) {
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
custom_cb ((gpointer) wParam);
}
}
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:
--- /dev/null
+/*
+ * 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";
+ }
+}
projects / platform / upstream / gst-plugins-base.git / commitdiff