From d83119a87464ea57cfdee6d37fed2bbab7f84ec1 Mon Sep 17 00:00:00 2001
From: Camilla Berglund
Date: Sun, 22 Jul 2012 15:24:35 +0200
Subject: [PATCH 1/2] Added explicit access to native handles.
---
include/GL/glfw3native.h | 97 ++++++++++++++++++++++++++++++++++++++++
readme.html | 1 +
src/CMakeLists.txt | 8 ++--
src/cocoa_native.m | 74 ++++++++++++++++++++++++++++++
src/win32_native.c | 74 ++++++++++++++++++++++++++++++
src/x11_native.c | 84 ++++++++++++++++++++++++++++++++++
6 files changed, 335 insertions(+), 3 deletions(-)
create mode 100644 include/GL/glfw3native.h
create mode 100644 src/cocoa_native.m
create mode 100644 src/win32_native.c
create mode 100644 src/x11_native.c
diff --git a/include/GL/glfw3native.h b/include/GL/glfw3native.h
new file mode 100644
index 00000000..b8b01f9a
--- /dev/null
+++ b/include/GL/glfw3native.h
@@ -0,0 +1,97 @@
+/*************************************************************************
+ * GLFW - An OpenGL library
+ * API version: 3.0
+ * WWW: http://www.glfw.org/
+ *------------------------------------------------------------------------
+ * Copyright (c) 2002-2006 Marcus Geelnard
+ * Copyright (c) 2006-2010 Camilla Berglund
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would
+ * be appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not
+ * be misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ *************************************************************************/
+
+#ifndef __glfw3_platform_h__
+#define __glfw3_platform_h__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*************************************************************************
+ * System headers and types
+ *************************************************************************/
+
+#if defined(GLFW_EXPOSE_NATIVE_WIN32_WGL)
+
+ /* We are building for Win32 and WGL */
+ #include
+
+#elif defined(GLFW_EXPOSE_NATIVE_COCOA_NSGL)
+
+ /* We are building for Cocoa and NSOpenGL */
+ #if defined(__OBJC__)
+ #import
+ #else
+ typedef void* id;
+ #endif
+
+#elif defined(GLFW_EXPOSE_NATIVE_X11_GLX)
+
+ /* We are building for X11 and GLX */
+ #include
+
+#else
+
+ #error "No platform specified"
+
+#endif
+
+
+/*************************************************************************
+ * Functions
+ *************************************************************************/
+
+#if defined(GLFW_EXPOSE_NATIVE_WIN32_WGL)
+
+GLFWAPI HWND glfwGetWin32Window(GLFWwindow window);
+GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow window);
+
+#elif defined(GLFW_EXPOSE_NATIVE_COCOA_NSGL)
+
+GLFWAPI id glfwGetCocoaWindow(GLFWwindow window);
+GLFWAPI id glfwGetNSGLContext(GLFWwindow window);
+
+#elif defined(GLFW_EXPOSE_NATIVE_X11_GLX)
+
+GLFWAPI Display* glfwGetX11Display(void);
+
+GLFWAPI Window glfwGetX11Window(GLFWwindow window);
+GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow window);
+
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __glfw3_platform_h__ */
+
diff --git a/readme.html b/readme.html
index b854a59c..e0e7056e 100644
--- a/readme.html
+++ b/readme.html
@@ -287,6 +287,7 @@ version of GLFW.
Added windows
simple multi-window test program
Added sharing
simple OpenGL object sharing test program
Added modes
video mode enumeration and setting test program
+ Added glfw3native.h
header and platform-specific functions for explicit access to native display, window and context handles
Added a parameter to glfwOpenWindow
for specifying a context the new window's context will share objects with
Added initial window title parameter to glfwOpenWindow
Added glfwSetGamma
, glfwSetGammaRamp
and glfwGetGammaRamp
functions and GLFWgammaramp
type for monitor gamma ramp control
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index add05982..25a80e3a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,7 +11,7 @@ if (_GLFW_COCOA_NSGL)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_clipboard.m cocoa_fullscreen.m
cocoa_gamma.c cocoa_init.m cocoa_input.m cocoa_joystick.m
- cocoa_opengl.m cocoa_time.c cocoa_window.m)
+ cocoa_native.m cocoa_opengl.m cocoa_time.c cocoa_window.m)
# For some reason, CMake doesn't know about .m
set_source_files_properties(${glfw_SOURCES} PROPERTIES LANGUAGE C)
@@ -19,12 +19,14 @@ elseif (_GLFW_WIN32_WGL)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h)
set(glfw_SOURCES ${common_SOURCES} win32_clipboard.c win32_fullscreen.c
win32_gamma.c win32_init.c win32_input.c win32_joystick.c
- win32_opengl.c win32_time.c win32_window.c win32_dllmain.c)
+ win32_native.c win32_opengl.c win32_time.c win32_window.c
+ win32_dllmain.c)
elseif (_GLFW_X11_GLX)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h)
set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c x11_fullscreen.c
x11_gamma.c x11_init.c x11_input.c x11_joystick.c
- x11_keysym2unicode.c x11_opengl.c x11_time.c x11_window.c)
+ x11_keysym2unicode.c x11_native.c x11_opengl.c x11_time.c
+ x11_window.c)
endif()
add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
diff --git a/src/cocoa_native.m b/src/cocoa_native.m
new file mode 100644
index 00000000..2b90bc24
--- /dev/null
+++ b/src/cocoa_native.m
@@ -0,0 +1,74 @@
+//========================================================================
+// GLFW - An OpenGL library
+// Platform: Cocoa/NSOpenGL
+// API version: 3.0
+// WWW: http://www.glfw.org/
+//------------------------------------------------------------------------
+// Copyright (c) 2010 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would
+// be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+// be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+// distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+#define GLFW_EXPOSE_NATIVE_COCOA_NSGL
+#include "../include/GL/glfw3native.h"
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW native API //////
+//////////////////////////////////////////////////////////////////////////
+
+//========================================================================
+// Returns the X11 handle of the specified window
+//========================================================================
+
+GLFWAPI id glfwGetCocoaWindow(GLFWwindow window)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return 0;
+ }
+
+ return window->NS.object;
+}
+
+
+//========================================================================
+// Return the GLX context of the specified window
+//========================================================================
+
+GLFWAPI id glfwGetNSGLContext(GLFWwindow window)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return NULL;
+ }
+
+ return window->NSGL.context;
+}
+
diff --git a/src/win32_native.c b/src/win32_native.c
new file mode 100644
index 00000000..80cc5730
--- /dev/null
+++ b/src/win32_native.c
@@ -0,0 +1,74 @@
+//========================================================================
+// GLFW - An OpenGL library
+// Platform: Win32/WGL
+// API version: 3.0
+// WWW: http://www.glfw.org/
+//------------------------------------------------------------------------
+// Copyright (c) 2010 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would
+// be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+// be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+// distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+#define GLFW_EXPOSE_NATIVE_WIN32_WGL
+#include "../include/GL/glfw3native.h"
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW native API //////
+//////////////////////////////////////////////////////////////////////////
+
+//========================================================================
+// Returns the Win32 handle of the specified window
+//========================================================================
+
+GLFWAPI HWND glfwGetWin32Window(GLFWwindow handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return NULL;
+ }
+
+ return window->Win32.handle;
+}
+
+
+//========================================================================
+// Return the WGL context of the specified window
+//========================================================================
+
+GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return NULL;
+ }
+
+ return window->WGL.context;
+}
+
diff --git a/src/x11_native.c b/src/x11_native.c
new file mode 100644
index 00000000..22f30112
--- /dev/null
+++ b/src/x11_native.c
@@ -0,0 +1,84 @@
+//========================================================================
+// GLFW - An OpenGL library
+// Platform: Win32/WGL
+// API version: 3.0
+// WWW: http://www.glfw.org/
+//------------------------------------------------------------------------
+// Copyright (c) 2010 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+// claim that you wrote the original software. If you use this software
+// in a product, an acknowledgment in the product documentation would
+// be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+// be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+// distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+#define GLFW_EXPOSE_NATIVE_X11_GLX
+#include "../include/GL/glfw3native.h"
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW native API //////
+//////////////////////////////////////////////////////////////////////////
+
+//========================================================================
+// Returns the X11 display
+//========================================================================
+
+GLFWAPI Display* glfwGetX11Display(void)
+{
+ return _glfwLibrary.X11.display;
+}
+
+
+//========================================================================
+// Returns the X11 handle of the specified window
+//========================================================================
+
+GLFWAPI Window glfwGetX11Window(GLFWwindow handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return 0;
+ }
+
+ return window->X11.handle;
+}
+
+
+//========================================================================
+// Return the GLX context of the specified window
+//========================================================================
+
+GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+
+ if (!_glfwInitialized)
+ {
+ _glfwSetError(GLFW_NOT_INITIALIZED, NULL);
+ return NULL;
+ }
+
+ return window->GLX.context;
+}
+
From df6d4bc58a810854e877d1dc0bed1f196c0d6fe3 Mon Sep 17 00:00:00 2001
From: Camilla Berglund
Date: Sun, 22 Jul 2012 15:42:18 +0200
Subject: [PATCH 2/2] Added glfw3native.h to installation.
---
CMakeLists.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b80ac24e..7fbdd950 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -242,7 +242,7 @@ configure_file(${GLFW_SOURCE_DIR}/src/config.h.in
# The src directory's CMakeLists.txt file installs the library
#--------------------------------------------------------------------
install(DIRECTORY include/GL DESTINATION include
- FILES_MATCHING PATTERN glfw3.h)
+ FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES COPYING.txt readme.html
DESTINATION share/doc/glfw-${GLFW_VERSION_FULL})