mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-29 02:55:36 -05:00
100 lines
4.4 KiB
C++
100 lines
4.4 KiB
C++
/*
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* Copyright 2011-2015 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#ifndef BGFX_GLCONTEXT_WGL_H_HEADER_GUARD
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#define BGFX_GLCONTEXT_WGL_H_HEADER_GUARD
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#if BGFX_USE_WGL
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#include <wgl/wglext.h>
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namespace bgfx { namespace gl
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{
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typedef PROC (APIENTRYP PFNWGLGETPROCADDRESSPROC) (LPCSTR lpszProc);
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typedef BOOL (APIENTRYP PFNWGLMAKECURRENTPROC) (HDC hdc, HGLRC hglrc);
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typedef HGLRC (APIENTRYP PFNWGLCREATECONTEXTPROC) (HDC hdc);
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typedef BOOL (APIENTRYP PFNWGLDELETECONTEXTPROC) (HGLRC hglrc);
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//
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typedef GLenum (APIENTRYP PFNGLGETERRORPROC) (void);
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typedef void (APIENTRYP PFNGLREADPIXELSPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
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typedef void (APIENTRYP PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
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typedef void (APIENTRYP PFNGLTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
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typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
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typedef void (APIENTRYP PFNGLTEXPARAMETERIVPROC) (GLenum target, GLenum pname, const GLint *params);
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typedef void (APIENTRYP PFNGLTEXPARAMETERFPROC) (GLenum target, GLenum pname, GLfloat param);
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typedef void (APIENTRYP PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param);
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typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
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typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures);
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typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures);
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typedef void (APIENTRYP PFNGLCOLORMASKPROC) (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
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typedef void (APIENTRYP PFNGLDEPTHFUNCPROC) (GLenum func);
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typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
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typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params);
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typedef void (APIENTRYP PFNGLGETFLOATVPROC) (GLenum pname, GLfloat *params);
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typedef const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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typedef void (APIENTRYP PFNGLDRAWARRAYSPROC) (GLenum mode, GLint first, GLsizei count);
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typedef void (APIENTRYP PFNGLBLENDFUNCPROC) (GLenum sfactor, GLenum dfactor);
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typedef void (APIENTRYP PFNGLPOINTSIZEPROC) (GLfloat size);
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typedef void (APIENTRYP PFNGLCULLFACEPROC) (GLenum mode);
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typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask);
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typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLCLEARSTENCILPROC) (GLint s);
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typedef void (APIENTRYP PFNGLDEPTHMASKPROC) (GLboolean flag);
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typedef void (APIENTRYP PFNGLCLEARDEPTHPROC) (GLdouble depth);
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typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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typedef void (APIENTRYP PFNGLSTENCILFUNCPROC) (GLenum func, GLint ref, GLuint mask);
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typedef void (APIENTRYP PFNGLSTENCILMASKPROC) (GLuint mask);
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typedef void (APIENTRYP PFNGLSTENCILOPPROC) (GLenum fail, GLenum zfail, GLenum zpass);
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extern PFNWGLGETPROCADDRESSPROC wglGetProcAddress;
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extern PFNWGLMAKECURRENTPROC wglMakeCurrent;
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extern PFNWGLCREATECONTEXTPROC wglCreateContext;
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extern PFNWGLDELETECONTEXTPROC wglDeleteContext;
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struct SwapChainGL;
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struct GlContext
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{
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GlContext()
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: m_current(NULL)
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, m_opengl32dll(NULL)
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, m_context(NULL)
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, m_hdc(NULL)
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{
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}
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void create(uint32_t _width, uint32_t _height);
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void destroy();
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void resize(uint32_t _width, uint32_t _height, uint32_t _flags);
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static bool isSwapChainSupported();
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SwapChainGL* createSwapChain(void* _nwh);
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void destroySwapChain(SwapChainGL* _swapChain);
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void swap(SwapChainGL* _swapChain = NULL);
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void makeCurrent(SwapChainGL* _swapChain = NULL);
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void import();
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bool isValid() const
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{
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return NULL != m_context;
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}
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int32_t m_contextAttrs[9];
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int m_pixelFormat;
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PIXELFORMATDESCRIPTOR m_pfd;
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SwapChainGL* m_current;
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void* m_opengl32dll;
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HGLRC m_context;
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HDC m_hdc;
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};
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} /* namespace gl */ } // namespace bgfx
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#endif // BGFX_USE_WGL
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#endif // BGFX_GLCONTEXT_WGL_H_HEADER_GUARD
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