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Finished initial window/context backend split.

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This commit is contained in:
Camilla Berglund 2012-11-27 15:02:26 +01:00
parent 4ce92262f7
commit 34d383399c
14 changed files with 191 additions and 113 deletions
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68
CMakeLists.txt
View File

@ -19,6 +19,10 @@ option(GLFW_USE_EGL "Build for EGL and OpenGL ES platform (Currently only X11)"
if (GLFW_USE_EGL)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules)
find_package(EGL REQUIRED)
set(GLFW_BUILD_EXAMPLES OFF)
set(GLFW_BUILD_TESTS OFF)
message(STATUS "NOTE: Examples and tests are disabled for EGL")
else()
find_package(OpenGL REQUIRED)
endif()
@ -47,25 +51,39 @@ if (BUILD_SHARED_LIBS)
endif()
#--------------------------------------------------------------------
# Detect and select target platform
# Detect and select target APIs
#--------------------------------------------------------------------
if (WIN32)
set(_GLFW_WIN32_WGL 1)
message(STATUS "Building GLFW for WGL on a Win32 system")
elseif (UNIX AND APPLE)
set(_GLFW_COCOA_NSGL 1)
message(STATUS "Building GLFW for Cocoa and NSOpenGL on Mac OS X")
elseif (UNIX AND NOT APPLE)
set(_GLFW_X11 1)
set(_GLFW_WIN32 1)
message(STATUS "Using Win32 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_X11_EGL 1)
set(GLFW_BUILD_EXAMPLES 0)
set(GLFW_BUILD_TESTS 0)
message(STATUS "Building GLFW for X11 and EGL on a Unix-like system")
message(STATUS "NOTE: Examples and tests are disabled for EGL")
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_X11_GLX 1)
message(STATUS "Building GLFW for X11 and GLX on a Unix-like system")
set(_GLFW_WGL 1)
message(STATUS "Using WGL for context creation")
endif()
elseif (APPLE)
set(_GLFW_COCOA 1)
message(STATUS "Using Cocoa for window creation")
if (GLFW_USE_EGL)
message(FATAL_ERROR "EGL not supported on Mac OS X")
else()
set(_GLFW_NSGL 1)
message(STATUS "Using NSGL for context creation")
endif()
elseif (UNIX)
set(_GLFW_X11 1)
message(STATUS "Using X11 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_GLX 1)
message(STATUS "Using GLX for context creation")
endif()
else()
message(FATAL_ERROR "No supported platform was detected")
@ -74,7 +92,7 @@ endif()
#--------------------------------------------------------------------
# Set up GLFW for Win32 and WGL on Windows
#--------------------------------------------------------------------
if (_GLFW_WIN32_WGL)
if (_GLFW_WIN32)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
@ -160,16 +178,12 @@ if (_GLFW_X11)
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
endif()
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(_GLFW_USE_LINUX_JOYSTICKS 1)
endif()
endif()
#--------------------------------------------------------------------
# GLX Context
#--------------------------------------------------------------------
if (_GLFW_X11_GLX)
if (_GLFW_GLX)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
@ -223,18 +237,19 @@ endif()
#--------------------------------------------------------------------
# EGL Context
#--------------------------------------------------------------------
if (_GLFW_X11_EGL)
if (_GLFW_EGL)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${EGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${EGL_LIBRARY})
set(CMAKE_REQUIRED_LIBRARIES ${EGL_LIBRARY})
if (_GLFW_X11)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl")
include(CheckFunctionExists)
set(CMAKE_REQUIRED_LIBRARIES ${EGL_LIBRARY})
check_function_exists(eglGetProcAddress _GLFW_HAS_EGLGETPROCADDRESS)
if (NOT _GLFW_HAS_EGLGETPROCADDRESS)
@ -261,13 +276,14 @@ if (_GLFW_X11_EGL)
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -ldl")
endif()
endif()
endif()
endif()
#--------------------------------------------------------------------
# Set up GLFW for Cocoa and NSOpenGL on Mac OS X
#--------------------------------------------------------------------
if (_GLFW_COCOA_NSGL)
if (_GLFW_COCOA AND _GLFW_NSGL)
option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
@ -349,7 +365,7 @@ install(FILES COPYING.txt readme.html
#--------------------------------------------------------------------
# Create and install pkg-config file on supported platforms
#--------------------------------------------------------------------
if (_GLFW_X11_GLX OR _GLFW_COCOA_NSGL)
if (UNIX)
configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in
${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY)

46
src/CMakeLists.txt
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@ -10,11 +10,11 @@ set(common_HEADERS ${GLFW_SOURCE_DIR}/include/GL/glfw3.h internal.h)
set(common_SOURCES clipboard.c fullscreen.c gamma.c init.c input.c
joystick.c opengl.c time.c window.c)
if (_GLFW_COCOA_NSGL)
if (_GLFW_COCOA)
set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h)
set(glfw_SOURCES ${common_SOURCES} cocoa_clipboard.m cocoa_fullscreen.m
cocoa_gamma.c cocoa_init.m cocoa_joystick.m
cocoa_opengl.m cocoa_time.c cocoa_window.m)
cocoa_gamma.c cocoa_init.m cocoa_joystick.m cocoa_time.c
cocoa_window.m)
if (GLFW_NATIVE_API)
list(APPEND glfw_SOURCES cocoa_native.m)
@ -22,30 +22,38 @@ if (_GLFW_COCOA_NSGL)
# For some reason, CMake doesn't know about .m
set_source_files_properties(${glfw_SOURCES} PROPERTIES LANGUAGE C)
elseif (_GLFW_WIN32_WGL)
elseif (_GLFW_WIN32)
set(glfw_HEADERS ${common_HEADERS} win32_platform.h)
set(glfw_SOURCES ${common_SOURCES} wgl_opengl.c win32_clipboard.c
win32_fullscreen.c win32_gamma.c win32_init.c
win32_joystick.c win32_time.c win32_window.c)
set(glfw_SOURCES ${common_SOURCES} win32_clipboard.c win32_fullscreen.c
win32_gamma.c win32_init.c win32_joystick.c win32_time.c
win32_window.c)
if (GLFW_NATIVE_API)
list(APPEND glfw_SOURCES win32_native.c)
endif()
elseif (_GLFW_X11_GLX)
elseif (_GLFW_X11)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h)
set(glfw_SOURCES ${common_SOURCES} glx_opengl.c x11_clipboard.c
x11_fullscreen.c x11_gamma.c x11_init.c x11_joystick.c
x11_keysym2unicode.c x11_time.c x11_window.c)
set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c x11_fullscreen.c
x11_gamma.c x11_init.c x11_joystick.c x11_keysym2unicode.c
x11_time.c x11_window.c)
if (GLFW_NATIVE_API)
list(APPEND glfw_SOURCES x11_native.c)
endif()
elseif (_GLFW_X11_EGL)
set(glfw_HEADERS ${common_HEADERS} x11_platform.h egl_platform.h)
set(glfw_SOURCES ${common_SOURCES} egl_opengl.c x11_clipboard.c
x11_fullscreen.c x11_gamma.c x11_init.c
x11_joystick.c x11_keysym2unicode.c x11_time.c
x11_window.c)
endif()
if (_GLFW_EGL)
list(APPEND glfw_HEADERS ${common_HEADERS} egl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} egl_opengl.c)
elseif (_GLFW_NSGL)
list(APPEND glfw_HEADERS ${common_HEADERS} nsgl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} nsgl_opengl.c)
elseif (_GLFW_WGL)
list(APPEND glfw_HEADERS ${common_HEADERS} wgl_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} wgl_opengl.c)
elseif (_GLFW_X11)
list(APPEND glfw_HEADERS ${common_HEADERS} glx_platform.h)
list(APPEND glfw_SOURCES ${common_SOURCES} glx_opengl.c)
endif()
add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
@ -58,7 +66,7 @@ if (BUILD_SHARED_LIBS)
set_target_properties(glfw PROPERTIES SOVERSION ${GLFW_VERSION_MAJOR})
endif()
if (_GLFW_WIN32_WGL)
if (_GLFW_WIN32)
# The GLFW DLL needs a special compile-time macro and import library name
set_target_properties(glfw PROPERTIES PREFIX "" IMPORT_PREFIX "")
@ -67,7 +75,7 @@ if (BUILD_SHARED_LIBS)
else()
set_target_properties(glfw PROPERTIES IMPORT_SUFFIX "dll.lib")
endif()
elseif (_GLFW_COCOA_NSGL)
elseif (_GLFW_COCOA)
# Append -fno-common to the compile flags to work around a bug in the Apple GCC
get_target_property(glfw_CFLAGS glfw COMPILE_FLAGS)
if (NOT glfw_CFLAGS)

36
src/cocoa_platform.h
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@ -1,6 +1,6 @@
//========================================================================
// GLFW - An OpenGL library
// Platform: Cocoa/NSOpenGL
// Platform: Cocoa
// API Version: 3.0
// WWW: http://www.glfw.org/
//------------------------------------------------------------------------
@ -27,13 +27,12 @@
//
//========================================================================
#ifndef _platform_h_
#define _platform_h_
#ifndef _cocoa_platform_h_
#define _cocoa_platform_h_
#include <stdint.h>
#if defined(__OBJC__)
#import <Cocoa/Cocoa.h>
#else
@ -41,12 +40,13 @@
typedef void* id;
#endif
#if defined(_GLFW_NSGL)
#include "nsgl_platform.h"
#endif
#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowNS NS
#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryNS NS
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL NSGL
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryNSGL NSGL
//========================================================================
// GLFW platform specific types
@ -58,16 +58,6 @@ typedef void* id;
typedef intptr_t GLFWintptr;
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextNSGL
{
id pixelFormat;
id context;
} _GLFWcontextNSGL;
//------------------------------------------------------------------------
// Platform-specific window structure
//------------------------------------------------------------------------
@ -99,16 +89,6 @@ typedef struct _GLFWlibraryNS
} _GLFWlibraryNS;
//------------------------------------------------------------------------
// Platform-specific library global data for NSGL
//------------------------------------------------------------------------
typedef struct _GLFWlibraryNSGL
{
// dlopen handle for dynamically loading OpenGL extension entry points
void* framework;
} _GLFWlibraryNSGL;
//========================================================================
// Prototypes for platform specific internal functions
//========================================================================
@ -128,4 +108,4 @@ void _glfwRestoreVideoMode(void);
int _glfwInitOpenGL(void);
void _glfwTerminateOpenGL(void);
#endif // _platform_h_
#endif // _cocoa_platform_h_

23
src/config.h.in
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@ -35,14 +35,21 @@
// it. Instead, you should modify the config.h.in file.
//========================================================================
// Define this to 1 if building GLFW for X11/GLX
#cmakedefine _GLFW_X11_GLX
// Define this to 1 if building GLFW for X11/EGL
#cmakedefine _GLFW_X11_EGL
// Define this to 1 if building GLFW for Win32/WGL
#cmakedefine _GLFW_WIN32_WGL
// Define this to 1 if building GLFW for Cocoa/NSOpenGL
#cmakedefine _GLFW_COCOA_NSGL
// Define this to 1 if building GLFW for X11
#cmakedefine _GLFW_X11
// Define this to 1 if building GLFW for Win32
#cmakedefine _GLFW_WIN32
// Define this to 1 if building GLFW for Cocoa
#cmakedefine _GLFW_COCOA
// Define this to 1 if building GLFW for EGL
#cmakedefine _GLFW_EGL
// Define this to 1 if building GLFW for GLX
#cmakedefine _GLFW_GLX
// Define this to 1 if building GLFW for WGL
#cmakedefine _GLFW_WGL
// Define this to 1 if building GLFW for NSGL
#cmakedefine _GLFW_NSGL
// Define this to 1 if building as a shared library / dynamic library / DLL
#cmakedefine _GLFW_BUILD_DLL

2
src/egl_opengl.c
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@ -208,7 +208,7 @@ static int createContext(_GLFWwindow* window,
// Retrieve the corresponding visual
// NOTE: This is the only non-portable code in this file.
// Maybe it would not hurt too much to add #ifdefs for different platforms?
#if defined(_GLFW_X11_EGL)
#if defined(_GLFW_X11)
{
int mask;
EGLint redBits, greenBits, blueBits, alphaBits, visualID = 0;

2
src/egl_platform.h
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@ -71,7 +71,7 @@ typedef struct _GLFWcontextEGL
EGLContext context;
EGLSurface surface;
#if defined(_GLFW_X11_EGL)
#if defined(_GLFW_X11)
XVisualInfo* visual;
#endif
} _GLFWcontextEGL;

6
src/internal.h
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@ -65,11 +65,11 @@ typedef struct _GLFWlibrary _GLFWlibrary;
// extensions and not all operating systems come with an up-to-date version
#include "../support/GL/glext.h"
#if defined(_GLFW_COCOA_NSGL)
#if defined(_GLFW_COCOA)
#include "cocoa_platform.h"
#elif defined(_GLFW_WIN32_WGL)
#elif defined(_GLFW_WIN32)
#include "win32_platform.h"
#elif defined(_GLFW_X11_GLX) || defined(_GLFW_X11_EGL)
#elif defined(_GLFW_X11)
#include "x11_platform.h"
#else
#error "No supported platform selected"

0
src/cocoa_opengl.m → src/nsgl_opengl.m
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62
src/nsgl_platform.h Normal file
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@ -0,0 +1,62 @@
//========================================================================
// GLFW - An OpenGL library
// Platform: NSOpenGL
// API Version: 3.0
// WWW: http://www.glfw.org/
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// 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 _nsgl_platform_h_
#define _nsgl_platform_h_
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL NSGL
#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryNSGL NSGL
//========================================================================
// GLFW platform specific types
//========================================================================
//------------------------------------------------------------------------
// Platform-specific OpenGL context structure
//------------------------------------------------------------------------
typedef struct _GLFWcontextNSGL
{
id pixelFormat;
id context;
} _GLFWcontextNSGL;
//------------------------------------------------------------------------
// Platform-specific library global data for NSGL
//------------------------------------------------------------------------
typedef struct _GLFWlibraryNSGL
{
// dlopen handle for dynamically loading OpenGL extension entry points
void* framework;
} _GLFWlibraryNSGL;
#endif // _nsgl_platform_h_

5
src/win32_init.c
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@ -232,6 +232,11 @@ int _glfwPlatformTerminate(void)
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_FULL
#if defined(_GLFW_WGL)
" WGL"
#elif defined(_GLFW_EGL)
" EGL"
#endif
#if defined(__MINGW32__)
" MinGW"
#elif defined(_MSC_VER)

4
src/win32_platform.h
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@ -105,9 +105,9 @@ typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
#define _GLFW_WNDCLASSNAME L"GLFW30"
#if defined(_GLFW_WIN32_WGL)
#if defined(_GLFW_WGL)
#include "wgl_platform.h"
#elif defined(_GLFW_WIN32_EGL)
#elif defined(_GLFW_EGL)
#define _GLFW_EGL_NATIVE_WINDOW window->Win32.handle
#define _GLFW_EGL_NATIVE_DISPLAY NULL
#include "egl_platform.h"

2
src/x11_fullscreen.c
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@ -449,7 +449,7 @@ GLFWvidmode* _glfwPlatformGetVideoModes(int* found)
rgbs = (int*) malloc(sizeof(int) * visualCount);
rgbCount = 0;
#if !defined(_GLFW_X11_EGL)
#if defined(_GLFW_GLX)
for (i = 0; i < visualCount; i++)
{
int gl, rgba, rgb, r, g, b;

4
src/x11_init.c
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@ -693,9 +693,9 @@ int _glfwPlatformTerminate(void)
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_FULL
#if defined(_GLFW_X11_GLX)
#if defined(_GLFW_GLX)
" GLX"
#elif defined(_GLFW_X11_EGL)
#elif defined(_GLFW_EGL)
" EGL"
#endif
#if defined(_GLFW_HAS_XRANDR)

4
src/x11_platform.h
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@ -53,10 +53,10 @@
#include <X11/XKBlib.h>
#endif
#if defined(_GLFW_X11_GLX)
#if defined(_GLFW_GLX)
#define _GLFW_X11_CONTEXT_VISUAL window->GLX.visual
#include "glx_platform.h"
#elif defined(_GLFW_X11_EGL)
#elif defined(_GLFW_EGL)
#define _GLFW_X11_CONTEXT_VISUAL window->EGL.visual
#define _GLFW_EGL_NATIVE_WINDOW window->X11.handle
#define _GLFW_EGL_NATIVE_DISPLAY _glfwLibrary.X11.display