#include <cairo.h>
#include <epoxy/wgl.h>
+#ifdef GDK_WIN32_ENABLE_EGL
+# include <epoxy/egl.h>
+#endif
+
G_DEFINE_TYPE (GdkWin32GLContext, gdk_win32_gl_context, GDK_TYPE_GL_CONTEXT)
static void
GdkWin32Display *display_win32 = GDK_WIN32_DISPLAY (gdk_gl_context_get_display (context));
GdkSurface *surface = gdk_gl_context_get_surface (context);
- if (context_win32->hglrc != NULL)
+ if (display_win32 != NULL)
{
- if (wglGetCurrentContext () == context_win32->hglrc)
- wglMakeCurrent (NULL, NULL);
+ if (display_win32->have_wgl)
+ {
+ if (wglGetCurrentContext () == context_win32->hglrc)
+ wglMakeCurrent (NULL, NULL);
+
+ GDK_NOTE (OPENGL, g_print ("Destroying WGL context\n"));
+
+ wglDeleteContext (context_win32->hglrc);
+ context_win32->hglrc = NULL;
+
+ ReleaseDC (display_win32->gl_hwnd, context_win32->gl_hdc);
+ }
+
+#ifdef GDK_WIN32_ENABLE_EGL
+ else if (display_win32->have_egl)
+ {
+ if (eglGetCurrentContext () == context_win32->egl_context)
+ eglMakeCurrent(display_win32->egl_disp, EGL_NO_SURFACE, EGL_NO_SURFACE,
+ EGL_NO_CONTEXT);
- GDK_NOTE (OPENGL, g_print ("Destroying WGL context\n"));
+ GDK_NOTE (OPENGL, g_message ("Destroying EGL (ANGLE) context"));
- wglDeleteContext (context_win32->hglrc);
- context_win32->hglrc = NULL;
+ eglDestroyContext (display_win32->egl_disp,
+ context_win32->egl_context);
+ context_win32->egl_context = EGL_NO_CONTEXT;
- ReleaseDC (display_win32->gl_hwnd, context_win32->gl_hdc);
+ ReleaseDC (display_win32->gl_hwnd, context_win32->gl_hdc);
+ }
+#endif
}
if (surface != NULL)
if (impl->suppress_layered == 0)
_gdk_win32_surface_update_style_bits (surface);
}
-
G_OBJECT_CLASS (gdk_win32_gl_context_parent_class)->dispose (gobject);
}
}
}
+#ifdef GDK_WIN32_ENABLE_EGL
+static gboolean
+_get_is_egl_force_redraw (GdkSurface *surface)
+{
+ /* We only need to call gdk_window_invalidate_rect () if necessary */
+ if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
+ {
+ GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
+
+ return impl->egl_force_redraw_all;
+ }
+ return FALSE;
+}
+
+static void
+_reset_egl_force_redraw (GdkSurface *surface)
+{
+ if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
+ {
+ GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
+
+ if (impl->egl_force_redraw_all)
+ impl->egl_force_redraw_all = FALSE;
+ }
+}
+#endif
+
static void
gdk_win32_gl_context_end_frame (GdkDrawContext *draw_context,
cairo_region_t *painted)
GdkWin32GLContext *context_win32 = GDK_WIN32_GL_CONTEXT (context);
GdkSurface *surface = gdk_gl_context_get_surface (context);
GdkWin32Display *display = (GDK_WIN32_DISPLAY (gdk_gl_context_get_display (context)));
- gboolean can_wait = display->hasWglOMLSyncControl;
cairo_rectangle_int_t whole_window;
GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_parent_class)->end_frame (draw_context, painted);
return;
gdk_gl_context_make_current (context);
+ whole_window = (GdkRectangle) { 0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface) };
- if (context_win32->do_frame_sync)
+ if (!gdk_gl_context_get_use_es (context))
{
+ gboolean can_wait = display->hasWglOMLSyncControl;
+
if (context_win32->do_frame_sync)
{
glFinish ();
&ust, &msc, &sbc);
}
}
- }
- whole_window = (GdkRectangle) { 0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface) };
- if (cairo_region_contains_rectangle (painted, &whole_window) == CAIRO_REGION_OVERLAP_IN)
- {
- SwapBuffers (context_win32->gl_hdc);
- }
- else if (gdk_gl_context_has_framebuffer_blit (context))
- {
- glDrawBuffer(GL_FRONT);
- glReadBuffer(GL_BACK);
- gdk_gl_blit_region (surface, painted);
- glDrawBuffer(GL_BACK);
- glFlush();
-
- if (gdk_gl_context_has_frame_terminator (context))
- glFrameTerminatorGREMEDY ();
+ if (cairo_region_contains_rectangle (painted, &whole_window) == CAIRO_REGION_OVERLAP_IN)
+ SwapBuffers (context_win32->gl_hdc);
+ else if (gdk_gl_context_has_framebuffer_blit (context))
+ {
+ glDrawBuffer(GL_FRONT);
+ glReadBuffer(GL_BACK);
+ gdk_gl_blit_region (surface, painted);
+ glDrawBuffer(GL_BACK);
+ glFlush();
+
+ if (gdk_gl_context_has_frame_terminator (context))
+ glFrameTerminatorGREMEDY ();
+ }
+ else
+ {
+ g_warning ("Need to swap whole buffer even thouigh not everything was redrawn. Expect artifacts.");
+ SwapBuffers (context_win32->gl_hdc);
+ }
}
+#ifdef GDK_WIN32_ENABLE_EGL
else
{
- g_warning ("Need to swap whole buffer even thouigh not everything was redrawn. Expect artifacts.");
- SwapBuffers (context_win32->gl_hdc);
+ EGLSurface egl_surface = _gdk_win32_surface_get_egl_surface (surface, context_win32->egl_config, FALSE);
+ gboolean force_egl_redraw_all = _get_is_egl_force_redraw (surface);
+
+ if (!force_egl_redraw_all)
+ gdk_gl_blit_region (surface, painted);
+ else if (force_egl_redraw_all)
+ {
+ GdkRectangle rect = {0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface)};
+
+ /* We need to do gdk_window_invalidate_rect() so that we don't get glitches after maximizing or
+ * restoring or using aerosnap
+ */
+ gdk_surface_invalidate_rect (surface, &rect);
+ _reset_egl_force_redraw (surface);
+ }
+
+ eglSwapBuffers (display->egl_disp, egl_surface);
}
+#endif
}
static void
return best_idx;
}
+#ifdef GDK_WIN32_ENABLE_EGL
+
+#ifndef EGL_PLATFORM_ANGLE_ANGLE
+#define EGL_PLATFORM_ANGLE_ANGLE 0x3202
+#endif
+
+#ifndef EGL_PLATFORM_ANGLE_TYPE_ANGLE
+#define EGL_PLATFORM_ANGLE_TYPE_ANGLE 0x3203
+#endif
+
+#ifndef EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE
+#define EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE 0x3208
+#endif
+
+static EGLDisplay
+_gdk_win32_get_egl_display (GdkWin32Display *display)
+{
+ EGLDisplay disp;
+ gboolean success = FALSE;
+
+ if (epoxy_has_egl_extension (NULL, "EGL_EXT_platform_base"))
+ {
+ PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplay = (void *) eglGetProcAddress ("eglGetPlatformDisplayEXT");
+ if (getPlatformDisplay)
+ {
+ EGLint disp_attr[] = {EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, EGL_NONE};
+
+ disp = getPlatformDisplay (EGL_PLATFORM_ANGLE_ANGLE, display->hdc_egl_temp, disp_attr);
+
+ if (disp != EGL_NO_DISPLAY)
+ return disp;
+ }
+ }
+ return eglGetDisplay (display->hdc_egl_temp);
+}
+#endif
+
static gboolean
_gdk_win32_display_init_gl (GdkDisplay *display)
{
GdkWin32Display *display_win32 = GDK_WIN32_DISPLAY (display);
int best_idx = 0;
- GdkWGLDummy dummy;
- if (display_win32->have_wgl)
+ gboolean disable_wgl = FALSE;
+
+#ifdef GDK_WIN32_ENABLE_EGL
+ EGLDisplay egl_disp;
+
+ disable_wgl = GDK_DISPLAY_DEBUG_CHECK (display, GL_GLES);
+#endif
+
+ if (display_win32->have_wgl
+#ifdef GDK_WIN32_ENABLE_EGL
+ || display_win32->have_egl
+#endif
+ )
return TRUE;
- memset (&dummy, 0, sizeof (GdkWGLDummy));
+ if (!disable_wgl)
+ {
+ GdkWGLDummy dummy;
+ memset (&dummy, 0, sizeof (GdkWGLDummy));
- /* acquire and cache dummy Window (HWND & HDC) and
- * dummy GL Context, it is used to query functions
- * and used for other stuff as well
- */
- best_idx = _gdk_init_dummy_context (&dummy);
+ /* acquire and cache dummy Window (HWND & HDC) and
+ * dummy GL Context, it is used to query functions
+ * and used for other stuff as well
+ */
+ best_idx = _gdk_init_dummy_context (&dummy);
- if (best_idx == 0 || !wglMakeCurrent (dummy.hdc, dummy.hglrc))
- return FALSE;
+ if (best_idx == 0 || !wglMakeCurrent (dummy.hdc, dummy.hglrc))
+ return FALSE;
+
+ display_win32->have_wgl = TRUE;
+ display_win32->gl_version = epoxy_gl_version ();
+
+ display_win32->hasWglARBCreateContext =
+ epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_create_context");
+ display_win32->hasWglEXTSwapControl =
+ epoxy_has_wgl_extension (dummy.hdc, "WGL_EXT_swap_control");
+ display_win32->hasWglOMLSyncControl =
+ epoxy_has_wgl_extension (dummy.hdc, "WGL_OML_sync_control");
+ display_win32->hasWglARBPixelFormat =
+ epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_pixel_format");
+ display_win32->hasWglARBmultisample =
+ epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_multisample");
+
+ GDK_NOTE (OPENGL,
+ g_print ("WGL API version %d.%d found\n"
+ " - Vendor: %s\n"
+ " - Checked extensions:\n"
+ "\t* WGL_ARB_pixel_format: %s\n"
+ "\t* WGL_ARB_create_context: %s\n"
+ "\t* WGL_EXT_swap_control: %s\n"
+ "\t* WGL_OML_sync_control: %s\n"
+ "\t* WGL_ARB_multisample: %s\n",
+ display_win32->gl_version / 10,
+ display_win32->gl_version % 10,
+ glGetString (GL_VENDOR),
+ display_win32->hasWglARBPixelFormat ? "yes" : "no",
+ display_win32->hasWglARBCreateContext ? "yes" : "no",
+ display_win32->hasWglEXTSwapControl ? "yes" : "no",
+ display_win32->hasWglOMLSyncControl ? "yes" : "no",
+ display_win32->hasWglARBmultisample ? "yes" : "no"));
+
+ wglMakeCurrent (NULL, NULL);
+ _destroy_dummy_gl_context (dummy);
+ }
+#ifdef GDK_WIN32_ENABLE_EGL
+ else
+ {
+ egl_disp = _gdk_win32_get_egl_display (display_win32);
+
+ if (egl_disp == EGL_NO_DISPLAY || !eglInitialize (egl_disp, NULL, NULL))
+ {
+ if (egl_disp != EGL_NO_DISPLAY)
+ {
+ eglTerminate (egl_disp);
+ egl_disp = EGL_NO_DISPLAY;
+ }
+
+ return FALSE;
+ }
- display_win32->have_wgl = TRUE;
- display_win32->gl_version = epoxy_gl_version ();
-
- display_win32->hasWglARBCreateContext =
- epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_create_context");
- display_win32->hasWglEXTSwapControl =
- epoxy_has_wgl_extension (dummy.hdc, "WGL_EXT_swap_control");
- display_win32->hasWglOMLSyncControl =
- epoxy_has_wgl_extension (dummy.hdc, "WGL_OML_sync_control");
- display_win32->hasWglARBPixelFormat =
- epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_pixel_format");
- display_win32->hasWglARBmultisample =
- epoxy_has_wgl_extension (dummy.hdc, "WGL_ARB_multisample");
-
- GDK_NOTE (OPENGL,
- g_print ("WGL API version %d.%d found\n"
+
+ display_win32->egl_disp = egl_disp;
+ display_win32->have_egl = TRUE;
+ display_win32->egl_version = epoxy_egl_version (egl_disp);
+
+ eglBindAPI(EGL_OPENGL_ES_API);
+
+ display_win32->hasEglSurfacelessContext =
+ epoxy_has_egl_extension (egl_disp, "EGL_KHR_surfaceless_context");
+
+ GDK_NOTE (OPENGL,
+ g_print ("EGL API version %d.%d found\n"
" - Vendor: %s\n"
" - Checked extensions:\n"
- "\t* WGL_ARB_pixel_format: %s\n"
- "\t* WGL_ARB_create_context: %s\n"
- "\t* WGL_EXT_swap_control: %s\n"
- "\t* WGL_OML_sync_control: %s\n"
- "\t* WGL_ARB_multisample: %s\n",
- display_win32->gl_version / 10,
- display_win32->gl_version % 10,
- glGetString (GL_VENDOR),
- display_win32->hasWglARBPixelFormat ? "yes" : "no",
- display_win32->hasWglARBCreateContext ? "yes" : "no",
- display_win32->hasWglEXTSwapControl ? "yes" : "no",
- display_win32->hasWglOMLSyncControl ? "yes" : "no",
- display_win32->hasWglARBmultisample ? "yes" : "no"));
-
- wglMakeCurrent (NULL, NULL);
- _destroy_dummy_gl_context (dummy);
+ "\t* EGL_KHR_surfaceless_context: %s\n",
+ display_win32->egl_version / 10,
+ display_win32->egl_version % 10,
+ eglQueryString (display_win32->egl_disp, EGL_VENDOR),
+ display_win32->hasEglSurfacelessContext ? "yes" : "no"));
+ }
+#endif
return TRUE;
}
return TRUE;
}
+#ifdef GDK_WIN32_ENABLE_EGL
+
+#define MAX_EGL_ATTRS 30
+
+static gboolean
+find_eglconfig_for_window (GdkWin32Display *display,
+ EGLConfig *egl_config_out,
+ EGLint *min_swap_interval_out,
+ GError **error)
+{
+ EGLint attrs[MAX_EGL_ATTRS];
+ EGLint count;
+ EGLConfig *configs, chosen_config;
+
+ int i = 0;
+
+ EGLDisplay egl_disp = display->egl_disp;
+
+ attrs[i++] = EGL_CONFORMANT;
+ attrs[i++] = EGL_OPENGL_ES2_BIT;
+ attrs[i++] = EGL_SURFACE_TYPE;
+ attrs[i++] = EGL_WINDOW_BIT;
+
+ attrs[i++] = EGL_COLOR_BUFFER_TYPE;
+ attrs[i++] = EGL_RGB_BUFFER;
+
+ attrs[i++] = EGL_RED_SIZE;
+ attrs[i++] = 1;
+ attrs[i++] = EGL_GREEN_SIZE;
+ attrs[i++] = 1;
+ attrs[i++] = EGL_BLUE_SIZE;
+ attrs[i++] = 1;
+ attrs[i++] = EGL_ALPHA_SIZE;
+ attrs[i++] = 1;
+
+ attrs[i++] = EGL_NONE;
+ g_assert (i < MAX_EGL_ATTRS);
+
+ if (!eglChooseConfig (display->egl_disp, attrs, NULL, 0, &count) || count < 1)
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_UNSUPPORTED_FORMAT,
+ _("No available configurations for the given pixel format"));
+ return FALSE;
+ }
+
+ configs = g_new (EGLConfig, count);
+
+ if (!eglChooseConfig (display->egl_disp, attrs, configs, count, &count) || count < 1)
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_UNSUPPORTED_FORMAT,
+ _("No available configurations for the given pixel format"));
+ return FALSE;
+ }
+
+ /* Pick first valid configuration i guess? */
+ chosen_config = configs[0];
+
+ if (!eglGetConfigAttrib (display->egl_disp, chosen_config,
+ EGL_MIN_SWAP_INTERVAL, min_swap_interval_out))
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_NOT_AVAILABLE,
+ "Could not retrieve the minimum swap interval");
+ g_free (configs);
+ return FALSE;
+ }
+
+ if (egl_config_out != NULL)
+ *egl_config_out = chosen_config;
+
+ g_free (configs);
+
+ return TRUE;
+}
+
+#define N_EGL_ATTRS 16
+
+static EGLContext
+_create_egl_context (EGLDisplay display,
+ EGLConfig config,
+ GdkGLContext *share,
+ int flags,
+ int major,
+ int minor,
+ gboolean *is_legacy)
+{
+ EGLContext ctx;
+ EGLint context_attribs[N_EGL_ATTRS];
+ int i = 0;
+
+ /* ANGLE does not support the GL_OES_vertex_array_object extension, so we need to use ES3 directly */
+ context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
+ context_attribs[i++] = 3;
+
+ /* Specify the flags */
+ context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
+ context_attribs[i++] = flags;
+
+ context_attribs[i++] = EGL_NONE;
+ g_assert (i < N_EGL_ATTRS);
+
+ ctx = eglCreateContext (display,
+ config,
+ share != NULL ? GDK_WIN32_GL_CONTEXT (share)->egl_context
+ : EGL_NO_CONTEXT,
+ context_attribs);
+
+ if (ctx != EGL_NO_CONTEXT)
+ GDK_NOTE (OPENGL, g_message ("Created EGL context[%p]", ctx));
+
+ return ctx;
+}
+#endif /* GDK_WIN32_ENABLE_EGL */
+
static gboolean
gdk_win32_gl_context_realize (GdkGLContext *context,
GError **error)
GdkGLContext *share = gdk_gl_context_get_shared_context (context);
GdkWin32GLContext *context_win32 = GDK_WIN32_GL_CONTEXT (context);
- /* These are the real WGL context items that we will want to use later */
- HGLRC hglrc;
- int pixel_format;
gboolean debug_bit, compat_bit, legacy_bit;
+ gboolean use_es = FALSE;
/* request flags and specific versions for core (3.2+) WGL context */
int flags = 0;
- int glver_major = 0;
- int glver_minor = 0;
+ int major = 0;
+ int minor = 0;
GdkSurface *surface = gdk_gl_context_get_surface (context);
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
- GdkWin32Display *win32_display = GDK_WIN32_DISPLAY (gdk_surface_get_display (surface));
-
- if (!_set_pixformat_for_hdc (context_win32->gl_hdc,
- &pixel_format,
- win32_display))
- {
- g_set_error_literal (error, GDK_GL_ERROR,
- GDK_GL_ERROR_UNSUPPORTED_FORMAT,
- _("No available configurations for the given pixel format"));
-
- return FALSE;
- }
+ GdkDisplay *display = gdk_surface_get_display (surface);
+ GdkWin32Display *win32_display = GDK_WIN32_DISPLAY (display);
- gdk_gl_context_get_required_version (context, &glver_major, &glver_minor);
+ gdk_gl_context_get_required_version (context, &major, &minor);
debug_bit = gdk_gl_context_get_debug_enabled (context);
compat_bit = gdk_gl_context_get_forward_compatible (context);
- /* if there isn't wglCreateContextAttribsARB(), or if GDK_GL_LEGACY is set, we default to a legacy context */
- legacy_bit = !win32_display->hasWglARBCreateContext ||
- g_getenv ("GDK_GL_LEGACY") != NULL;
-
/*
* A legacy context cannot be shared with core profile ones, so this means we
* must stick to a legacy context if the shared context is a legacy context
if (share != NULL && gdk_gl_context_is_legacy (share))
legacy_bit = TRUE;
- if (debug_bit)
- flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
- if (compat_bit)
- flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
-
- GDK_NOTE (OPENGL,
- g_print ("Creating %s WGL context (version:%d.%d, debug:%s, forward:%s, legacy: %s)\n",
- compat_bit ? "core" : "compat",
- glver_major,
- glver_minor,
- debug_bit ? "yes" : "no",
- compat_bit ? "yes" : "no",
- legacy_bit ? "yes" : "no"));
-
- hglrc = _create_gl_context (context_win32->gl_hdc,
- share,
- flags,
- glver_major,
- glver_minor,
- &legacy_bit,
- win32_display->hasWglARBCreateContext);
-
- if (hglrc == NULL)
+ /* if GDK_GL_LEGACY is set, we default to a legacy context */
+ legacy_bit = g_getenv ("GDK_GL_LEGACY") != NULL;
+
+ use_es = GDK_DISPLAY_DEBUG_CHECK (display, GL_GLES) ||
+ (share != NULL && gdk_gl_context_get_use_es (share));
+
+ if (win32_display->have_wgl || !use_es)
{
- g_set_error_literal (error, GDK_GL_ERROR,
- GDK_GL_ERROR_NOT_AVAILABLE,
- _("Unable to create a GL context"));
- return FALSE;
+ /* These are the real WGL context items that we will want to use later */
+ HGLRC hglrc;
+ int pixel_format;
+
+ if (!_set_pixformat_for_hdc (context_win32->gl_hdc,
+ &pixel_format,
+ win32_display))
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_UNSUPPORTED_FORMAT,
+ _("No available configurations for the given pixel format"));
+
+ return FALSE;
+ }
+
+ /* if there isn't wglCreateContextAttribsARB() on WGL, use a legacy context */
+ if (!legacy_bit)
+ legacy_bit = !win32_display->hasWglARBCreateContext;
+ if (debug_bit)
+ flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
+ if (compat_bit)
+ flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
+
+ GDK_NOTE (OPENGL,
+ g_print ("Creating %s WGL context (version:%d.%d, debug:%s, forward:%s, legacy: %s)\n",
+ compat_bit ? "core" : "compat",
+ major,
+ minor,
+ debug_bit ? "yes" : "no",
+ compat_bit ? "yes" : "no",
+ legacy_bit ? "yes" : "no"));
+
+ hglrc = _create_gl_context (context_win32->gl_hdc,
+ share,
+ flags,
+ major,
+ minor,
+ &legacy_bit,
+ win32_display->hasWglARBCreateContext);
+
+ if (hglrc == NULL)
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_NOT_AVAILABLE,
+ _("Unable to create a GL context"));
+ return FALSE;
+ }
+
+ GDK_NOTE (OPENGL,
+ g_print ("Created WGL context[%p], pixel_format=%d\n",
+ hglrc,
+ pixel_format));
+
+ context_win32->hglrc = hglrc;
}
- GDK_NOTE (OPENGL,
- g_print ("Created WGL context[%p], pixel_format=%d\n",
- hglrc,
- pixel_format));
+#ifdef GDK_WIN32_ENABLE_EGL
+ else
+ {
+ EGLContext egl_context;
+ EGLContext ctx;
+
+ if (debug_bit)
+ flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
+ if (compat_bit)
+ flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
+
+ GDK_NOTE (OPENGL, g_message ("Creating EGL context version %d.%d (debug:%s, forward:%s, legacy:%s)",
+ major, minor,
+ debug_bit ? "yes" : "no",
+ compat_bit ? "yes" : "no",
+ legacy_bit ? "yes" : "no"));
+
+ ctx = _create_egl_context (win32_display->egl_disp,
+ context_win32->egl_config,
+ share,
+ flags,
+ major,
+ minor,
+ &legacy_bit);
+
+ if (ctx == EGL_NO_CONTEXT)
+ {
+ g_set_error_literal (error, GDK_GL_ERROR,
+ GDK_GL_ERROR_NOT_AVAILABLE,
+ _("Unable to create a GL context"));
+ return FALSE;
+ }
+
+ GDK_NOTE (OPENGL,
+ g_print ("Created EGL context[%p]\n",
+ ctx));
+
+ context_win32->egl_context = ctx;
+ use_es = TRUE;
+ }
+#endif
- context_win32->hglrc = hglrc;
+ /* set whether we are using GLES */
+ gdk_gl_context_set_use_es (context, use_es);
/* OpenGL does not work with WS_EX_LAYERED enabled, so we need to
* disable WS_EX_LAYERED when we acquire a valid HGLRC
GdkWin32GLContext *context = NULL;
/* Acquire and store up the Windows-specific HWND and HDC */
- HWND hwnd;
+/* HWND hwnd;*/
HDC hdc;
+#ifdef GDK_WIN32_ENABLE_EGL
+ EGLContext egl_context;
+ EGLConfig config;
+#endif
+
+ display_win32->gl_hwnd = GDK_SURFACE_HWND (surface);
+ hdc = GetDC (display_win32->gl_hwnd);
+
+#ifdef GDK_WIN32_ENABLE_EGL
+ /* display_win32->hdc_egl_temp should *not* be destroyed here! It is destroyed at dispose()! */
+ display_win32->hdc_egl_temp = hdc;
+#endif
+
if (!_gdk_win32_display_init_gl (display))
{
g_set_error_literal (error, GDK_GL_ERROR,
return NULL;
}
- hwnd = GDK_SURFACE_HWND (surface);
- hdc = GetDC (hwnd);
+#if 0
+ if (display_win32->have_wgl)
+ {
+ hwnd = GDK_SURFACE_HWND (surface);
+ hdc = GetDC (hwnd);
- display_win32->gl_hwnd = hwnd;
+ display_win32->gl_hwnd = hwnd;
+ }
+#endif
+
+#ifdef GDK_WIN32_ENABLE_EGL
+ if (display_win32->have_egl && !find_eglconfig_for_window (display_win32, &config,
+ &display_win32->egl_min_swap_interval, error))
+ return NULL;
+#endif
context = g_object_new (GDK_TYPE_WIN32_GL_CONTEXT,
"surface", surface,
context->gl_hdc = hdc;
context->is_attached = attached;
+#ifdef GDK_WIN32_ENABLE_EGL
+ if (display_win32->have_egl)
+ context->egl_config = config;
+#endif
+
return GDK_GL_CONTEXT (context);
}
if (context == NULL)
{
- wglMakeCurrent(NULL, NULL);
+#ifdef GDK_WIN32_ENABLE_EGL
+ if (display_win32->egl_disp != EGL_NO_DISPLAY)
+ eglMakeCurrent(display_win32->egl_disp,
+ EGL_NO_SURFACE,
+ EGL_NO_SURFACE,
+ EGL_NO_CONTEXT);
+ else
+#endif
+ wglMakeCurrent(NULL, NULL);
+
return TRUE;
}
context_win32 = GDK_WIN32_GL_CONTEXT (context);
- if (!wglMakeCurrent (context_win32->gl_hdc, context_win32->hglrc))
+ if (!gdk_gl_context_get_use_es (context))
{
- GDK_NOTE (OPENGL,
- g_print ("Making WGL context current failed\n"));
- return FALSE;
+ if (!wglMakeCurrent (context_win32->gl_hdc, context_win32->hglrc))
+ {
+ GDK_NOTE (OPENGL,
+ g_print ("Making WGL context current failed\n"));
+ return FALSE;
+ }
+
+ if (context_win32->is_attached && display_win32->hasWglEXTSwapControl)
+ {
+ surface = gdk_gl_context_get_surface (context);
+
+ /* If there is compositing there is no particular need to delay
+ * the swap when drawing on the offscreen, rendering to the screen
+ * happens later anyway, and its up to the compositor to sync that
+ * to the vblank. */
+ display = gdk_surface_get_display (surface);
+ do_frame_sync = ! gdk_display_is_composited (display);
+
+ if (do_frame_sync != context_win32->do_frame_sync)
+ {
+ context_win32->do_frame_sync = do_frame_sync;
+
+ if (do_frame_sync)
+ wglSwapIntervalEXT (1);
+ else
+ wglSwapIntervalEXT (0);
+ }
+ }
}
- if (context_win32->is_attached && display_win32->hasWglEXTSwapControl)
+#ifdef GDK_WIN32_ENABLE_EGL
+ else
{
- surface = gdk_gl_context_get_surface (context);
+ EGLSurface egl_surface;
- /* If there is compositing there is no particular need to delay
- * the swap when drawing on the offscreen, rendering to the screen
- * happens later anyway, and its up to the compositor to sync that
- * to the vblank. */
- display = gdk_surface_get_display (surface);
- do_frame_sync = ! gdk_display_is_composited (display);
+ surface = gdk_gl_context_get_surface (context);
- if (do_frame_sync != context_win32->do_frame_sync)
+ if (context_win32->is_attached)
+ egl_surface = _gdk_win32_surface_get_egl_surface (surface, context_win32->egl_config, FALSE);
+ else
{
- context_win32->do_frame_sync = do_frame_sync;
-
- if (do_frame_sync)
- wglSwapIntervalEXT (1);
+ if (display_win32->hasEglSurfacelessContext)
+ egl_surface = EGL_NO_SURFACE;
else
- wglSwapIntervalEXT (0);
+ egl_surface = _gdk_win32_surface_get_egl_surface (surface, context_win32->egl_config, TRUE);
+ }
+
+ if (!eglMakeCurrent (display_win32->egl_disp,
+ egl_surface,
+ egl_surface,
+ context_win32->egl_context))
+ {
+ g_warning ("eglMakeCurrent failed");
+ return FALSE;
}
+
+ if (display_win32->egl_min_swap_interval == 0)
+ eglSwapInterval (display_win32->egl_disp, 0);
+ else
+ g_debug ("Can't disable GL swap interval");
}
+#endif
return TRUE;
}
return TRUE;
}
+
+void
+_gdk_win32_surface_invalidate_egl_framebuffer (GdkSurface *surface)
+{
+/* If we are using ANGLE, we need to force redraw of the whole Window and its child windows
+ * as we need to re-acquire the EGL surfaces that we rendered to upload to Cairo explicitly,
+ * using gdk_window_invalidate_rect (), when we maximize or restore or use aerosnap
+ */
+#ifdef GDK_WIN32_ENABLE_EGL
+ if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
+ {
+ GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
+
+ impl->egl_force_redraw_all = TRUE;
+ }
+#endif
+}
projects / gtk4.git / commitdiff