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2026-05-02 15:32:25 +10:00
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apps/LoopThroughWithOpenGLCompositing/GLExtensions.cpp Normal file
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/* -LICENSE-START-
** Copyright (c) 2012 Blackmagic Design
**
** Permission is hereby granted, free of charge, to any person or organization
** obtaining a copy of the software and accompanying documentation (the
** "Software") to use, reproduce, display, distribute, sub-license, execute,
** and transmit the Software, and to prepare derivative works of the Software,
** and to permit third-parties to whom the Software is furnished to do so, in
** accordance with:
**
** (1) if the Software is obtained from Blackmagic Design, the End User License
** Agreement for the Software Development Kit ("EULA") available at
** https://www.blackmagicdesign.com/EULA/DeckLinkSDK; or
**
** (2) if the Software is obtained from any third party, such licensing terms
** as notified by that third party,
**
** and all subject to the following:
**
** (3) the copyright notices in the Software and this entire statement,
** including the above license grant, this restriction and the following
** disclaimer, must be included in all copies of the Software, in whole or in
** part, and all derivative works of the Software, unless such copies or
** derivative works are solely in the form of machine-executable object code
** generated by a source language processor.
**
** (4) THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
** OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
**
** A copy of the Software is available free of charge at
** https://www.blackmagicdesign.com/desktopvideo_sdk under the EULA.
**
** -LICENSE-END-
*/
//
// GLExtensions.cpp
// LoopThroughWithOpenGLCompositing
//
#include "GLExtensions.h"
PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;
PFNGLFENCESYNCPROC glFenceSync;
PFNGLCLIENTWAITSYNCPROC glClientWaitSync;
PFNGLDELETESYNCPROC glDeleteSync;
PFNGLGENBUFFERSPROC glGenBuffers;
PFNGLDELETEBUFFERSPROC glDeleteBuffers;
PFNGLBINDBUFFERPROC glBindBuffer;
PFNGLBUFFERDATAPROC glBufferData;
PFNGLCREATESHADERPROC glCreateShader;
PFNGLSHADERSOURCEPROC glShaderSource;
PFNGLCOMPILESHADERPROC glCompileShader;
PFNGLGETSHADERIVPROC glGetShaderiv;
PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
PFNGLCREATEPROGRAMPROC glCreateProgram;
PFNGLATTACHSHADERPROC glAttachShader;
PFNGLLINKPROGRAMPROC glLinkProgram;
PFNGLGETPROGRAMIVPROC glGetProgramiv;
PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
PFNGLUSEPROGRAMPROC glUseProgram;
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
PFNGLUNIFORM1IPROC glUniform1i;
PFNGLUNIFORM1FPROC glUniform1f;
bool ResolveGLExtensions()
{
glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC) wglGetProcAddress("glGenFramebuffersEXT");
glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC) wglGetProcAddress("glGenRenderbuffersEXT");
glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC) wglGetProcAddress("glBindRenderbufferEXT");
glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC) wglGetProcAddress("glRenderbufferStorageEXT");
glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC) wglGetProcAddress("glDeleteFramebuffersEXT");
glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC) wglGetProcAddress("glDeleteRenderbuffersEXT");
glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC) wglGetProcAddress("glBindFramebufferEXT");
glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) wglGetProcAddress("glFramebufferTexture2DEXT");
glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) wglGetProcAddress("glFramebufferRenderbufferEXT");
glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) wglGetProcAddress("glCheckFramebufferStatusEXT");
glBlitFramebufferEXT = (PFNGLBLITFRAMEBUFFEREXTPROC) wglGetProcAddress("glBlitFramebufferEXT");
glFenceSync = (PFNGLFENCESYNCPROC) wglGetProcAddress("glFenceSync");
glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC) wglGetProcAddress("glClientWaitSync");
glDeleteSync = (PFNGLDELETESYNCPROC) wglGetProcAddress("glDeleteSync");
glGenBuffers = (PFNGLGENBUFFERSPROC) wglGetProcAddress("glGenBuffers");
glDeleteBuffers = (PFNGLDELETEBUFFERSPROC) wglGetProcAddress("glDeleteBuffers");
glBindBuffer = (PFNGLBINDBUFFERPROC) wglGetProcAddress("glBindBuffer");
glBufferData = (PFNGLBUFFERDATAPROC) wglGetProcAddress("glBufferData");
glCreateShader = (PFNGLCREATESHADERPROC) wglGetProcAddress("glCreateShader");
glShaderSource = (PFNGLSHADERSOURCEPROC) wglGetProcAddress("glShaderSource");
glCompileShader = (PFNGLCOMPILESHADERPROC) wglGetProcAddress("glCompileShader");
glGetShaderiv = (PFNGLGETSHADERIVPROC) wglGetProcAddress("glGetShaderiv");
glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) wglGetProcAddress("glGetShaderInfoLog");
glCreateProgram = (PFNGLCREATEPROGRAMPROC) wglGetProcAddress("glCreateProgram");
glAttachShader = (PFNGLATTACHSHADERPROC) wglGetProcAddress("glAttachShader");
glLinkProgram = (PFNGLLINKPROGRAMPROC) wglGetProcAddress("glLinkProgram");
glGetProgramiv = (PFNGLGETPROGRAMIVPROC) wglGetProcAddress("glGetProgramiv");
glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) wglGetProcAddress("glGetProgramInfoLog");
glUseProgram = (PFNGLUSEPROGRAMPROC) wglGetProcAddress("glUseProgram");
glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) wglGetProcAddress("glGetUniformLocation");
glUniform1i = (PFNGLUNIFORM1IPROC) wglGetProcAddress("glUniform1i");
glUniform1f = (PFNGLUNIFORM1FPROC) wglGetProcAddress("glUniform1f");
return glGenFramebuffersEXT
&& glGenRenderbuffersEXT
&& glBindRenderbufferEXT
&& glRenderbufferStorageEXT
&& glDeleteFramebuffersEXT
&& glDeleteRenderbuffersEXT
&& glBindFramebufferEXT
&& glFramebufferTexture2DEXT
&& glFramebufferRenderbufferEXT
&& glCheckFramebufferStatusEXT
&& glBlitFramebufferEXT
&& glFenceSync
&& glClientWaitSync
&& glDeleteSync
&& glGenBuffers
&& glDeleteBuffers
&& glBindBuffer
&& glBufferData
&& glCreateShader
&& glShaderSource
&& glCompileShader
&& glGetShaderiv
&& glGetShaderInfoLog
&& glCreateProgram
&& glAttachShader
&& glLinkProgram
&& glGetProgramiv
&& glGetProgramInfoLog
&& glUseProgram
&& glGetUniformLocation
&& glUniform1i
&& glUniform1f
;
}