213 lines
10 KiB
C++
213 lines
10 KiB
C++
/* -LICENSE-START-
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** Copyright (c) 2012 Blackmagic Design
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**
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** Permission is hereby granted, free of charge, to any person or organization
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** obtaining a copy of the software and accompanying documentation (the
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** "Software") to use, reproduce, display, distribute, sub-license, execute,
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** and transmit the Software, and to prepare derivative works of the Software,
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** and to permit third-parties to whom the Software is furnished to do so, in
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** accordance with:
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**
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** (1) if the Software is obtained from Blackmagic Design, the End User License
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** Agreement for the Software Development Kit ("EULA") available at
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** https://www.blackmagicdesign.com/EULA/DeckLinkSDK; or
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**
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** (2) if the Software is obtained from any third party, such licensing terms
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** as notified by that third party,
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**
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** and all subject to the following:
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**
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** (3) the copyright notices in the Software and this entire statement,
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** including the above license grant, this restriction and the following
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** disclaimer, must be included in all copies of the Software, in whole or in
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** part, and all derivative works of the Software, unless such copies or
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** derivative works are solely in the form of machine-executable object code
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** generated by a source language processor.
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**
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** (4) THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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** OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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** DEALINGS IN THE SOFTWARE.
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**
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** A copy of the Software is available free of charge at
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** https://www.blackmagicdesign.com/desktopvideo_sdk under the EULA.
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**
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** -LICENSE-END-
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*/
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//
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// GLExtensions.cpp
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// LoopThroughWithOpenGLCompositing
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//
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#include "GLExtensions.h"
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PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
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PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
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PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
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PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
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PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
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PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
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PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
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PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
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PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
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PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
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PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
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PFNGLFENCESYNCPROC glFenceSync;
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PFNGLCLIENTWAITSYNCPROC glClientWaitSync;
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PFNGLDELETESYNCPROC glDeleteSync;
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PFNGLGENBUFFERSPROC glGenBuffers;
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PFNGLDELETEBUFFERSPROC glDeleteBuffers;
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PFNGLBINDBUFFERPROC glBindBuffer;
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PFNGLBUFFERDATAPROC glBufferData;
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PFNGLMAPBUFFERPROC glMapBuffer;
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PFNGLUNMAPBUFFERPROC glUnmapBuffer;
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PFNGLBUFFERSUBDATAPROC glBufferSubData;
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PFNGLBINDBUFFERBASEPROC glBindBufferBase;
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PFNGLACTIVETEXTUREPROC glActiveTexture;
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PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
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PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays;
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PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
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PFNGLCREATESHADERPROC glCreateShader;
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PFNGLDELETESHADERPROC glDeleteShader;
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PFNGLDELETEPROGRAMPROC glDeleteProgram;
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PFNGLSHADERSOURCEPROC glShaderSource;
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PFNGLCOMPILESHADERPROC glCompileShader;
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PFNGLGETSHADERIVPROC glGetShaderiv;
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PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
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PFNGLCREATEPROGRAMPROC glCreateProgram;
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PFNGLATTACHSHADERPROC glAttachShader;
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PFNGLLINKPROGRAMPROC glLinkProgram;
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PFNGLGETPROGRAMIVPROC glGetProgramiv;
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PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
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PFNGLUSEPROGRAMPROC glUseProgram;
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PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
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PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndex;
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PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding;
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PFNGLUNIFORM1IPROC glUniform1i;
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PFNGLUNIFORM1FPROC glUniform1f;
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PFNGLUNIFORM2FPROC glUniform2f;
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PFNGLUNIFORM4FPROC glUniform4f;
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bool ResolveGLExtensions()
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{
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glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC) wglGetProcAddress("glGenFramebuffers");
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if (!glGenFramebuffers)
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glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC) wglGetProcAddress("glGenFramebuffersEXT");
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glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC) wglGetProcAddress("glGenRenderbuffers");
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if (!glGenRenderbuffers)
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glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC) wglGetProcAddress("glGenRenderbuffersEXT");
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glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC) wglGetProcAddress("glBindRenderbuffer");
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if (!glBindRenderbuffer)
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glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC) wglGetProcAddress("glBindRenderbufferEXT");
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glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC) wglGetProcAddress("glRenderbufferStorage");
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if (!glRenderbufferStorage)
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glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC) wglGetProcAddress("glRenderbufferStorageEXT");
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glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC) wglGetProcAddress("glDeleteFramebuffers");
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if (!glDeleteFramebuffers)
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glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC) wglGetProcAddress("glDeleteFramebuffersEXT");
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glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC) wglGetProcAddress("glDeleteRenderbuffers");
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if (!glDeleteRenderbuffers)
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glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC) wglGetProcAddress("glDeleteRenderbuffersEXT");
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glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC) wglGetProcAddress("glBindFramebuffer");
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if (!glBindFramebuffer)
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glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC) wglGetProcAddress("glBindFramebufferEXT");
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glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC) wglGetProcAddress("glFramebufferTexture2D");
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if (!glFramebufferTexture2D)
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glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC) wglGetProcAddress("glFramebufferTexture2DEXT");
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glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) wglGetProcAddress("glFramebufferRenderbuffer");
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if (!glFramebufferRenderbuffer)
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glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) wglGetProcAddress("glFramebufferRenderbufferEXT");
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glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) wglGetProcAddress("glCheckFramebufferStatus");
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if (!glCheckFramebufferStatus)
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glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) wglGetProcAddress("glCheckFramebufferStatusEXT");
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glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC) wglGetProcAddress("glBlitFramebuffer");
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if (!glBlitFramebuffer)
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glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC) wglGetProcAddress("glBlitFramebufferEXT");
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glFenceSync = (PFNGLFENCESYNCPROC) wglGetProcAddress("glFenceSync");
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glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC) wglGetProcAddress("glClientWaitSync");
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glDeleteSync = (PFNGLDELETESYNCPROC) wglGetProcAddress("glDeleteSync");
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glGenBuffers = (PFNGLGENBUFFERSPROC) wglGetProcAddress("glGenBuffers");
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glDeleteBuffers = (PFNGLDELETEBUFFERSPROC) wglGetProcAddress("glDeleteBuffers");
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glBindBuffer = (PFNGLBINDBUFFERPROC) wglGetProcAddress("glBindBuffer");
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glBufferData = (PFNGLBUFFERDATAPROC) wglGetProcAddress("glBufferData");
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glMapBuffer = (PFNGLMAPBUFFERPROC) wglGetProcAddress("glMapBuffer");
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glUnmapBuffer = (PFNGLUNMAPBUFFERPROC) wglGetProcAddress("glUnmapBuffer");
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glBufferSubData = (PFNGLBUFFERSUBDATAPROC) wglGetProcAddress("glBufferSubData");
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glBindBufferBase = (PFNGLBINDBUFFERBASEPROC) wglGetProcAddress("glBindBufferBase");
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glActiveTexture = (PFNGLACTIVETEXTUREPROC) wglGetProcAddress("glActiveTexture");
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glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC) wglGetProcAddress("glGenVertexArrays");
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glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC) wglGetProcAddress("glDeleteVertexArrays");
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glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC) wglGetProcAddress("glBindVertexArray");
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glCreateShader = (PFNGLCREATESHADERPROC) wglGetProcAddress("glCreateShader");
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glDeleteShader = (PFNGLDELETESHADERPROC) wglGetProcAddress("glDeleteShader");
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glDeleteProgram = (PFNGLDELETEPROGRAMPROC) wglGetProcAddress("glDeleteProgram");
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glShaderSource = (PFNGLSHADERSOURCEPROC) wglGetProcAddress("glShaderSource");
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glCompileShader = (PFNGLCOMPILESHADERPROC) wglGetProcAddress("glCompileShader");
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glGetShaderiv = (PFNGLGETSHADERIVPROC) wglGetProcAddress("glGetShaderiv");
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glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) wglGetProcAddress("glGetShaderInfoLog");
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glCreateProgram = (PFNGLCREATEPROGRAMPROC) wglGetProcAddress("glCreateProgram");
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glAttachShader = (PFNGLATTACHSHADERPROC) wglGetProcAddress("glAttachShader");
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glLinkProgram = (PFNGLLINKPROGRAMPROC) wglGetProcAddress("glLinkProgram");
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glGetProgramiv = (PFNGLGETPROGRAMIVPROC) wglGetProcAddress("glGetProgramiv");
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glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) wglGetProcAddress("glGetProgramInfoLog");
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glUseProgram = (PFNGLUSEPROGRAMPROC) wglGetProcAddress("glUseProgram");
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glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) wglGetProcAddress("glGetUniformLocation");
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glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC) wglGetProcAddress("glGetUniformBlockIndex");
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glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC) wglGetProcAddress("glUniformBlockBinding");
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glUniform1i = (PFNGLUNIFORM1IPROC) wglGetProcAddress("glUniform1i");
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glUniform1f = (PFNGLUNIFORM1FPROC) wglGetProcAddress("glUniform1f");
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glUniform2f = (PFNGLUNIFORM2FPROC) wglGetProcAddress("glUniform2f");
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glUniform4f = (PFNGLUNIFORM4FPROC) wglGetProcAddress("glUniform4f");
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return glGenFramebuffers
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&& glGenRenderbuffers
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&& glBindRenderbuffer
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&& glRenderbufferStorage
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&& glDeleteFramebuffers
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&& glDeleteRenderbuffers
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&& glBindFramebuffer
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&& glFramebufferTexture2D
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&& glFramebufferRenderbuffer
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&& glCheckFramebufferStatus
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&& glBlitFramebuffer
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&& glFenceSync
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&& glClientWaitSync
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&& glDeleteSync
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&& glGenBuffers
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&& glDeleteBuffers
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&& glBindBuffer
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&& glBufferData
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&& glMapBuffer
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&& glUnmapBuffer
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&& glBufferSubData
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&& glBindBufferBase
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&& glActiveTexture
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&& glGenVertexArrays
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&& glDeleteVertexArrays
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&& glBindVertexArray
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&& glCreateShader
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&& glDeleteShader
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&& glDeleteProgram
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&& glShaderSource
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&& glCompileShader
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&& glGetShaderiv
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&& glGetShaderInfoLog
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&& glCreateProgram
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&& glAttachShader
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&& glLinkProgram
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&& glGetProgramiv
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&& glGetProgramInfoLog
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&& glUseProgram
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&& glGetUniformLocation
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&& glGetUniformBlockIndex
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&& glUniformBlockBinding
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&& glUniform1i
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&& glUniform1f
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&& glUniform2f
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&& glUniform4f
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;
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}
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