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update: WGL

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This commit is contained in:
remoe 2019-09-19 17:43:31 +02:00
parent 0daef92522
commit 2e395dce26
6 changed files with 387 additions and 462 deletions
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74
include/osgViewer/api/Win32/GraphicsHandleWin32
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@ -14,22 +14,8 @@
#ifndef OSGVIEWER_GRAPHICSHANDLEWIN32
#define OSGVIEWER_GRAPHICSHANDLEWIN32 1
#include <osgViewer/Export>
// Fallback if not correctly detected in CMake macro
#ifndef _WIN32_WINNT
//#define _WIN32_WINNT 0x0A00 // Windows 10
//#define _WIN32_WINNT 0x0603 // Windows 8.1
//#define _WIN32_WINNT 0x0602 // Windows 8
//#define _WIN32_WINNT 0x0601 // Windows 7
//#define _WIN32_WINNT 0x0600 // Windows Server 2008
//#define _WIN32_WINNT 0x0600 // Windows Vista
//#define _WIN32_WINNT 0x0502 // Windows Server 2003 with SP1, Windows XP with SP2
//#define _WIN32_WINNT 0x0501 // Windows Server 2003, Windows XP
#define _WIN32_WINNT 0x0500 // Windows NT
#endif
#include <windows.h>
#include "Win32GWUtils"
#include <osgViewer/Export>
namespace osgViewer
{
@ -109,62 +95,4 @@ namespace osgViewer
#endif
}
// Definitions required to create an OpenGL pixel format, from the WGL_ARB_pixel_format specification document.
// See http://www.opengl.org/registry/specs/ARB/wgl_pixel_format.txt
#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#endif
#endif

2
src/osgViewer/CMakeLists.txt
View File

@ -91,6 +91,8 @@ IF(WIN32 AND NOT ANDROID)
SET(LIB_COMMON_FILES ${LIB_COMMON_FILES}
GraphicsWindowWin32.cpp
PixelBufferWin32.cpp
Win32GWUtils.cpp
Win32GWUtils
)
ENDIF()
ELSE()

178
src/osgViewer/GraphicsWindowWin32.cpp
View File

@ -27,9 +27,9 @@
#include <vector>
#include <map>
#include <windowsx.h>
#include "Win32GWUtils"
#include "windowsx.h"
#define MOUSEEVENTF_FROMTOUCH 0xFF515700
@ -186,93 +186,6 @@ static osg::ApplicationUsageProxy GraphicsWindowWin32_e0(osg::ApplicationUsage::
using namespace EGL;
#else
using namespace WGL;
//
// Defines from the WGL_ARB_pixel_format specification document
// See http://www.opengl.org/registry/specs/ARB/wgl_pixel_format.txt
//
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#ifndef WGL_ARB_create_context
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define ERROR_INVALID_VERSION_ARB 0x2095
#endif
#ifndef WGL_ARB_create_context
#define WGL_ARB_create_context 1
#ifdef WGL_WGLEXT_PROTOTYPES
extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *);
#endif /* WGL_WGLEXT_PROTOTYPES */
typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
#endif
//
// Entry points used from the WGL extensions
//
// BOOL wglChoosePixelFormatARB(HDC hdc,
// const int *piAttribIList,
// const FLOAT *pfAttribFList,
// UINT nMaxFormats,
// int *piFormats,
// UINT *nNumFormats);
//
typedef bool (WINAPI * WGLChoosePixelFormatARB) ( HDC, const int *, const float *, unsigned int, int *, unsigned int * );
#endif
//
@ -1655,6 +1568,64 @@ bool GraphicsWindowWin32::setPixelFormat()
#else
static void PreparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits,
XGLIntegerAttributes& attributes,
bool allowSwapExchangeARB)
{
attributes.begin();
attributes.enable(WGL_DRAW_TO_WINDOW_ARB);
attributes.enable(WGL_SUPPORT_OPENGL_ARB);
attributes.set(WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB);
attributes.set(WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB);
attributes.set(WGL_COLOR_BITS_ARB, traits.red + traits.green + traits.blue);
attributes.set(WGL_RED_BITS_ARB, traits.red);
attributes.set(WGL_GREEN_BITS_ARB, traits.green);
attributes.set(WGL_BLUE_BITS_ARB, traits.blue);
attributes.set(WGL_DEPTH_BITS_ARB, traits.depth);
if(traits.doubleBuffer)
{
attributes.enable(WGL_DOUBLE_BUFFER_ARB);
switch(traits.swapMethod)
{
case osg::DisplaySettings::SWAP_COPY:
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_COPY_ARB);
break;
case osg::DisplaySettings::SWAP_EXCHANGE:
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_EXCHANGE_ARB);
break;
case osg::DisplaySettings::SWAP_UNDEFINED:
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_UNDEFINED_ARB);
break;
case osg::DisplaySettings::SWAP_DEFAULT:
// Wojtek Lewandowski 2010-09-28:
// Keep backward compatibility if no method is selected via traits
// and let wglSwapExchangeARB flag select swap method.
// However, I would rather remove this flag because its
// now redundant to Traits::swapMethod and it looks like
// WGL_SWAP_EXCHANGE_ARB is the GL default when no WGL_SWAP attrib is given.
// To be precise: At least on Windows 7 and Nvidia it seems to be a default.
if(allowSwapExchangeARB)
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_EXCHANGE_ARB);
break;
}
}
if(traits.alpha) attributes.set(WGL_ALPHA_BITS_ARB, traits.alpha);
if(traits.stencil) attributes.set(WGL_STENCIL_BITS_ARB, traits.stencil);
if(traits.sampleBuffers) attributes.set(WGL_SAMPLE_BUFFERS_ARB, traits.sampleBuffers);
if(traits.samples) attributes.set(WGL_SAMPLES_ARB, traits.samples);
if(traits.quadBufferStereo) attributes.enable(WGL_STEREO_ARB);
attributes.end();
}
static int ChooseMatchingPixelFormat( HDC hdc, int screenNum, const XGLIntegerAttributes& formatSpecifications ,osg::GraphicsContext::Traits* _traits)
{
//
@ -1722,7 +1693,7 @@ static int ChooseMatchingPixelFormat( HDC hdc, int screenNum, const XGLIntegerAt
bool GraphicsWindowWin32::setPixelFormat()
{
Win32WindowingSystem::OpenGLContext openGLContext;
OpenGLContext openGLContext;
if (!Win32WindowingSystem::getInterface()->getSampleOpenGLContext(openGLContext, _hdc, _screenOriginX, _screenOriginY)) return false;
//
@ -1800,7 +1771,7 @@ HGLRC GraphicsWindowWin32::createContextImplementation()
OSG_NOTIFY( osg::INFO ) << "GL3: context flags: " << _traits->glContextFlags << std::endl;
OSG_NOTIFY( osg::INFO ) << "GL3: profile: " << _traits->glContextProfileMask << std::endl;
Win32WindowingSystem::OpenGLContext openGLContext;
OpenGLContext openGLContext;
if( !Win32WindowingSystem::getInterface()->getSampleOpenGLContext( openGLContext, _hdc, _screenOriginX, _screenOriginY ) )
{
reportErrorForScreen( "GL3: Can't create sample context.",
@ -3066,33 +3037,6 @@ LRESULT GraphicsWindowWin32::handleNativeWindowingEvent( HWND hwnd, UINT uMsg, W
::CallWindowProc(_windowProcedure, hwnd, uMsg, wParam, lParam);
}
//////////////////////////////////////////////////////////////////////////////
// Class responsible for registering the Win32 Windowing System interface
//////////////////////////////////////////////////////////////////////////////
#if 0
struct RegisterWindowingSystemInterfaceProxy
{
RegisterWindowingSystemInterfaceProxy()
{
osg::GraphicsContext::setWindowingSystemInterface(Win32WindowingSystem::getInterface());
}
~RegisterWindowingSystemInterfaceProxy()
{
if (osg::Referenced::getDeleteHandler())
{
osg::Referenced::getDeleteHandler()->setNumFramesToRetainObjects(0);
osg::Referenced::getDeleteHandler()->flushAll();
}
osg::GraphicsContext::setWindowingSystemInterface(0);
}
};
static RegisterWindowingSystemInterfaceProxy createWindowingSystemInterfaceProxy;
#endif
} // namespace OsgViewer

133
src/osgViewer/PixelBufferWin32.cpp
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@ -14,8 +14,8 @@
* These elements are licensed under OSGPL as above, with Copyright (C) 2001-2004 Don Burns.
*/
#if defined(OSG_USE_EGL)
#else
#if !defined(OSG_USE_EGL)
#include "Win32GWUtils"
#include <osgViewer/api/Win32/PixelBufferWin32>
#include <osgViewer/api/Win32/GraphicsWindowWin32>
#include <osg/TextureRectangle>
@ -23,135 +23,6 @@
#include <vector>
#include <map>
#include <sstream>
#include <windowsx.h>
#ifndef WGL_ARB_pbuffer
#define WGL_ARB_pbuffer 1
DECLARE_HANDLE(HPBUFFERARB);
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
#define WGL_PBUFFER_LARGEST_ARB 0x2033
#define WGL_PBUFFER_WIDTH_ARB 0x2034
#define WGL_PBUFFER_HEIGHT_ARB 0x2035
#define WGL_PBUFFER_LOST_ARB 0x2036
#endif
#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#endif
#ifndef WGL_ARB_render_texture
#define WGL_ARB_render_texture 1
#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
#define WGL_TEXTURE_FORMAT_ARB 0x2072
#define WGL_TEXTURE_TARGET_ARB 0x2073
#define WGL_MIPMAP_TEXTURE_ARB 0x2074
#define WGL_TEXTURE_RGB_ARB 0x2075
#define WGL_TEXTURE_RGBA_ARB 0x2076
#define WGL_NO_TEXTURE_ARB 0x2077
#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
#define WGL_TEXTURE_1D_ARB 0x2079
#define WGL_TEXTURE_2D_ARB 0x207A
#define WGL_MIPMAP_LEVEL_ARB 0x207B
#define WGL_CUBE_MAP_FACE_ARB 0x207C
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
#define WGL_FRONT_LEFT_ARB 0x2083
#define WGL_FRONT_RIGHT_ARB 0x2084
#define WGL_BACK_LEFT_ARB 0x2085
#define WGL_BACK_RIGHT_ARB 0x2086
#define WGL_AUX0_ARB 0x2087
#define WGL_AUX1_ARB 0x2088
#define WGL_AUX2_ARB 0x2089
#define WGL_AUX3_ARB 0x208A
#define WGL_AUX4_ARB 0x208B
#define WGL_AUX5_ARB 0x208C
#define WGL_AUX6_ARB 0x208D
#define WGL_AUX7_ARB 0x208E
#define WGL_AUX8_ARB 0x208F
#define WGL_AUX9_ARB 0x2090
#endif
#ifndef WGL_NV_render_depth_texture
#define WGL_NV_render_depth_texture 1
#define WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
#define WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
#define WGL_DEPTH_COMPONENT_NV 0x20A7
#endif
#ifndef WGL_NV_render_texture_rectangle
#define WGL_NV_render_texture_rectangle 1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
#define WGL_TEXTURE_RECTANGLE_NV 0x20A2
#endif
#ifndef WGL_SAMPLE_BUFFERS_ARB
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#endif
#ifndef WGL_SAMPLES_ARB
#define WGL_SAMPLES_ARB 0x2042
#endif
namespace
{

186
src/osgViewer/Win32GWUtils
View File

@ -1,5 +1,5 @@
#ifndef _OSGVIEWER_WIN32GWUtils_H_
#define _OSGVIEWER_WIN32GWUtils_H_
#ifndef _OSGVIEWER_WIN32GWUTILS_H_
#define _OSGVIEWER_WIN32GWUTILS_H_
#if defined(OSG_USE_EGL)
#include <EGL/egl.h>
@ -7,6 +7,21 @@
#include <EGL/eglext.h>
#endif
// Fallback if not correctly detected in CMake macro
#ifndef _WIN32_WINNT
//#define _WIN32_WINNT 0x0A00 // Windows 10
//#define _WIN32_WINNT 0x0603 // Windows 8.1
//#define _WIN32_WINNT 0x0602 // Windows 8
//#define _WIN32_WINNT 0x0601 // Windows 7
//#define _WIN32_WINNT 0x0600 // Windows Server 2008
//#define _WIN32_WINNT 0x0600 // Windows Vista
//#define _WIN32_WINNT 0x0502 // Windows Server 2003 with SP1, Windows XP with SP2
//#define _WIN32_WINNT 0x0501 // Windows Server 2003, Windows XP
#define _WIN32_WINNT 0x0500 // Windows NT
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <osg/GraphicsContext>
namespace osgViewer {
@ -150,7 +165,172 @@ namespace osgViewer {
};
} // end of namespace WGL
#endif
}
#if !defined(OSG_USE_EGL)
//
// Defines from the WGL_ARB_pixel_format specification document
// See http://www.opengl.org/registry/specs/ARB/wgl_pixel_format.txt
//
#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#endif
#ifndef WGL_ARB_render_texture
#define WGL_ARB_render_texture 1
#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
#define WGL_TEXTURE_FORMAT_ARB 0x2072
#define WGL_TEXTURE_TARGET_ARB 0x2073
#define WGL_MIPMAP_TEXTURE_ARB 0x2074
#define WGL_TEXTURE_RGB_ARB 0x2075
#define WGL_TEXTURE_RGBA_ARB 0x2076
#define WGL_NO_TEXTURE_ARB 0x2077
#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
#define WGL_TEXTURE_1D_ARB 0x2079
#define WGL_TEXTURE_2D_ARB 0x207A
#define WGL_MIPMAP_LEVEL_ARB 0x207B
#define WGL_CUBE_MAP_FACE_ARB 0x207C
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
#define WGL_FRONT_LEFT_ARB 0x2083
#define WGL_FRONT_RIGHT_ARB 0x2084
#define WGL_BACK_LEFT_ARB 0x2085
#define WGL_BACK_RIGHT_ARB 0x2086
#define WGL_AUX0_ARB 0x2087
#define WGL_AUX1_ARB 0x2088
#define WGL_AUX2_ARB 0x2089
#define WGL_AUX3_ARB 0x208A
#define WGL_AUX4_ARB 0x208B
#define WGL_AUX5_ARB 0x208C
#define WGL_AUX6_ARB 0x208D
#define WGL_AUX7_ARB 0x208E
#define WGL_AUX8_ARB 0x208F
#define WGL_AUX9_ARB 0x2090
#endif
#ifndef WGL_NV_render_depth_texture
#define WGL_NV_render_depth_texture 1
#define WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
#define WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
#define WGL_DEPTH_COMPONENT_NV 0x20A7
#endif
#ifndef WGL_NV_render_texture_rectangle
#define WGL_NV_render_texture_rectangle 1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
#define WGL_TEXTURE_RECTANGLE_NV 0x20A2
#endif
#ifndef WGL_SAMPLE_BUFFERS_ARB
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#endif
#ifndef WGL_SAMPLES_ARB
#define WGL_SAMPLES_ARB 0x2042
#endif
#ifndef WGL_ARB_create_context
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define ERROR_INVALID_VERSION_ARB 0x2095
#endif
#ifndef WGL_ARB_pbuffer
#define WGL_ARB_pbuffer 1
DECLARE_HANDLE(HPBUFFERARB);
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
#define WGL_PBUFFER_LARGEST_ARB 0x2033
#define WGL_PBUFFER_WIDTH_ARB 0x2034
#define WGL_PBUFFER_HEIGHT_ARB 0x2035
#define WGL_PBUFFER_LOST_ARB 0x2036
#endif
#ifndef WGL_ARB_create_context
#define WGL_ARB_create_context 1
#ifdef WGL_WGLEXT_PROTOTYPES
extern HGLRC WINAPI wglCreateContextAttribsARB(HDC, HGLRC, const int *);
#endif /* WGL_WGLEXT_PROTOTYPES */
typedef HGLRC(WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
#endif
//
// Entry points used from the WGL extensions
//
// BOOL wglChoosePixelFormatARB(HDC hdc,
// const int *piAttribIList,
// const FLOAT *pfAttribFList,
// UINT nMaxFormats,
// int *piFormats,
// UINT *nNumFormats);
//
typedef bool (WINAPI * WGLChoosePixelFormatARB) (HDC, const int *, const float *, unsigned int, int *, unsigned int *);
#endif
#endif

86
src/osgViewer/Win32GWUtils.cpp
View File

@ -1,5 +1,4 @@
#include <osg/GLExtensions>
#include <windowsx.h>
#include "Win32GWUtils"
#include <vector>
@ -307,37 +306,37 @@ void preparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits
// *** WGL Implementation
namespace WGL {
namespace WGL {
//////////////////////////////////////////////////////////////////////////////
// WGL::OpenGLContext implementation
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// WGL::OpenGLContext implementation
//////////////////////////////////////////////////////////////////////////////
OpenGLContext::OpenGLContext()
OpenGLContext::OpenGLContext()
: _previousHdc(0),
_previousHglrc(0),
_hwnd(0),
_hdc(0),
_hglrc(0),
_restorePreviousOnExit(false)
{}
{}
OpenGLContext::OpenGLContext(HWND hwnd, HDC hdc, HGLRC hglrc)
OpenGLContext::OpenGLContext(HWND hwnd, HDC hdc, HGLRC hglrc)
: _previousHdc(0),
_previousHglrc(0),
_hwnd(hwnd),
_hdc(hdc),
_hglrc(hglrc),
_restorePreviousOnExit(false)
{}
{}
OpenGLContext::~OpenGLContext()
{
if (_restorePreviousOnExit && _previousHglrc != _hglrc && !::wglMakeCurrent(_previousHdc, _previousHglrc))
OpenGLContext::~OpenGLContext()
{
if(_restorePreviousOnExit && _previousHglrc != _hglrc && !::wglMakeCurrent(_previousHdc, _previousHglrc))
{
reportError("Win32WindowingSystem::OpenGLContext() - Unable to restore current OpenGL rendering context", ::GetLastError());
}
if (_hglrc)
if(_hglrc)
{
::wglMakeCurrent(_hdc, NULL);
::wglDeleteContext(_hglrc);
@ -346,61 +345,62 @@ OpenGLContext::~OpenGLContext()
_previousHdc = 0;
_previousHglrc = 0;
if (_hdc)
if(_hdc)
{
::ReleaseDC(_hwnd, _hdc);
_hdc = 0;
}
if (_hwnd)
if(_hwnd)
{
::DestroyWindow(_hwnd);
_hwnd = 0;
}
}
}
void OpenGLContext::set(HWND hwnd, HDC hdc, HGLRC hglrc)
{
void OpenGLContext::set(HWND hwnd, HDC hdc, HGLRC hglrc)
{
_hwnd = hwnd;
_hdc = hdc;
_hglrc = hglrc;
}
}
void OpenGLContext::clear()
{
void OpenGLContext::clear()
{
_hwnd = 0;
_hdc = 0;
_hglrc = 0;
}
}
HDC OpenGLContext::deviceContext()
{
HDC OpenGLContext::deviceContext()
{
return _hdc;
}
}
bool OpenGLContext::makeCurrent(HDC restoreOnHdc, bool restorePreviousOnExit)
{
if (_hdc == 0 || _hglrc == 0) return false;
bool OpenGLContext::makeCurrent(HDC restoreOnHdc, bool restorePreviousOnExit)
{
if(_hdc == 0 || _hglrc == 0) return false;
_previousHglrc = restorePreviousOnExit ? ::wglGetCurrentContext() : 0;
_previousHdc = restoreOnHdc;
if (_hglrc == _previousHglrc) return true;
if(_hglrc == _previousHglrc) return true;
if (!::wglMakeCurrent(_hdc, _hglrc))
if(!::wglMakeCurrent(_hdc, _hglrc))
{
reportError("Win32WindowingSystem::OpenGLContext() - Unable to set current OpenGL rendering context", ::GetLastError());
return false;
}
_restorePreviousOnExit = restorePreviousOnExit;
}
return true;
}
void preparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits,
void preparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits,
XGLIntegerAttributes& attributes,
bool allowSwapExchangeARB)
{
{
attributes.begin();
attributes.enable(WGL_DRAW_TO_WINDOW_ARB);
@ -415,11 +415,11 @@ void preparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits
attributes.set(WGL_BLUE_BITS_ARB, traits.blue);
attributes.set(WGL_DEPTH_BITS_ARB, traits.depth);
if (traits.doubleBuffer)
if(traits.doubleBuffer)
{
attributes.enable(WGL_DOUBLE_BUFFER_ARB);
switch (traits.swapMethod)
switch(traits.swapMethod)
{
case osg::DisplaySettings::SWAP_COPY:
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_COPY_ARB);
@ -438,22 +438,22 @@ void preparePixelFormatSpecifications(const osg::GraphicsContext::Traits& traits
// now redundant to Traits::swapMethod and it looks like
// WGL_SWAP_EXCHANGE_ARB is the GL default when no WGL_SWAP attrib is given.
// To be precise: At least on Windows 7 and Nvidia it seems to be a default.
if (allowSwapExchangeARB)
if(allowSwapExchangeARB)
attributes.set(WGL_SWAP_METHOD_ARB, WGL_SWAP_EXCHANGE_ARB);
break;
}
}
if (traits.alpha) attributes.set(WGL_ALPHA_BITS_ARB, traits.alpha);
if (traits.stencil) attributes.set(WGL_STENCIL_BITS_ARB, traits.stencil);
if (traits.sampleBuffers) attributes.set(WGL_SAMPLE_BUFFERS_ARB, traits.sampleBuffers);
if (traits.samples) attributes.set(WGL_SAMPLES_ARB, traits.samples);
if(traits.alpha) attributes.set(WGL_ALPHA_BITS_ARB, traits.alpha);
if(traits.stencil) attributes.set(WGL_STENCIL_BITS_ARB, traits.stencil);
if(traits.sampleBuffers) attributes.set(WGL_SAMPLE_BUFFERS_ARB, traits.sampleBuffers);
if(traits.samples) attributes.set(WGL_SAMPLES_ARB, traits.samples);
if (traits.quadBufferStereo) attributes.enable(WGL_STEREO_ARB);
if(traits.quadBufferStereo) attributes.enable(WGL_STEREO_ARB);
attributes.end();
}
}
} // end of namespace WGL
#endif // OSG_USE_EGL