Implement fallback GL funcs so we don't call NULL func pointers.
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@ -248,12 +248,48 @@ static inline void opt_glCopyTexImage2D( GLenum target,
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#ifdef _WIN32
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/*
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* Some post-1.1 OpenGL functions can fail to be loaded through GL extensions
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* when running primitive OpenGL contexts on Microsoft Windows, specifically.
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*
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* As of the Project64 Glide64 version, Glitch64 now assigns these GL
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* functions to dummy functions to prevent access violations, while also
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* displaying error information showing the missing OpenGL support.
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*/
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void DisplayError(const char * message)
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{
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MessageBoxA(NULL, message, NULL, MB_ICONERROR);
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return;
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}
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PFNGLACTIVETEXTUREARBPROC glActiveTextureARB;
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PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT;
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PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2fARB;
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PFNGLFOGCOORDFPROC glFogCoordfEXT;
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void dummy_glActiveTexture(GLenum/*texture*/)
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{ /* GLX render opcode 197 */
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DisplayError("glActiveTexture");
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}
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void dummy_glMultiTexCoord2f(GLenum/*target*/, GLfloat/*s*/, GLfloat/*t*/)
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{ /* GLX render opcode 203 */
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DisplayError("glMultiTexCoord2f");
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}
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void dummy_glFogCoordf(GLfloat/*coord*/)
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{ /* GLX render opcode 4124 */
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DisplayError("glFogCoordf");
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}
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void dummy_glBlendFuncSeparate(GLenum, GLenum, GLenum, GLenum)
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{ /* GLX render opcode 4134 */
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DisplayError("glBlendFuncSeparate");
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}
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PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB;
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const char * dummy_wglGetExtensionsString(HDC)
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{
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DisplayError("wglGetExtensionsString");
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return NULL;
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}
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PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
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PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
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@ -265,6 +301,47 @@ PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT = NULL;
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PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT = NULL;
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PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
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PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
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void dummy_glGenRenderbuffers(GLsizei/*n*/, GLuint* /*renderbuffers*/)
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{ /* GLX vendor opcode 1423 */
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DisplayError("glGenRenderbuffers");
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}
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void dummy_glGenFramebuffers(GLsizei/*n*/, GLuint* /*framebuffers*/)
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{ /* GLX vendor opcode 1426 */
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DisplayError("glGenFramebuffers");
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}
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GLenum dummy_glCheckFramebufferStatus(GLenum/*target*/)
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{ /* GLX vendor opcode 1427 */
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DisplayError("glCheckFramebufferStatus");
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return 0x00008CDD; /* GL_FRAMEBUFFER_UNSUPPORTED */
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}
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void dummy_glBindRenderbuffer(GLenum/*target*/, GLuint/*renderbuffer*/)
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{ /* GLX render opcode 4316 */
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DisplayError("glBindRenderbuffer");
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}
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void dummy_glDeleteRenderbuffers(GLsizei/*n*/, const GLuint* /*renderbuffers*/)
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{ /* GLX render opcode 4317 */
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DisplayError("glDeleteRenderbuffers");
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}
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void dummy_glRenderbufferStorage(GLenum, GLenum, GLsizei, GLsizei)
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{ /* GLX render opcode 4318 */
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DisplayError("glRenderbufferStorage");
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}
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void dummy_glBindFramebuffer(GLenum/*target*/, GLuint/*framebuffer*/)
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{ /* GLX render opcode 4319 */
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DisplayError("glBindFramebuffer");
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}
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void dummy_glDeleteFramebuffers(GLsizei/*n*/, const GLuint* /*framebuffers*/)
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{ /* GLX render opcode 4320 */
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DisplayError("glDeleteFramebuffers");
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}
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void dummy_glFramebufferTexture2D(GLenum, GLenum, GLenum, GLuint, GLint)
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{ /* GLX render opcode 4322 */
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DisplayError("glFramebufferTexture2D");
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}
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void dummy_glFramebufferRenderbuffer(GLenum, GLenum, GLenum, GLuint)
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{ /* GLX render opcode 4324 */
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DisplayError("glFramebufferRenderbuffer");
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}
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PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
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PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
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@ -282,6 +359,73 @@ PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
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PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
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PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
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PFNGLSECONDARYCOLOR3FPROC glSecondaryColor3f;
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void dummy_glSecondaryColor3f(GLfloat/*red*/, GLfloat/*green*/, GLfloat/*blue*/)
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{ /* GLX render opcode 4129 */
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DisplayError("glSecondaryColor3f");
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}
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GLuint dummy_glCreateShader(GLenum/*type*/)
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{ /* GLX render opcode ? */
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DisplayError("glCreateShader");
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return ((GLuint)(NULL));
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}
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void dummy_glShaderSource(GLuint, GLsizei, const GLchar **, GLint *)
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{ /* GLX render opcode ? */
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DisplayError("glShaderSource");
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}
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void dummy_glCompileShader(GLuint/*shader*/)
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{ /* GLX render opcode ? */
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DisplayError("glCompileShader");
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}
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GLuint dummy_glCreateProgram(void)
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{ /* GLX render opcode ? */
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DisplayError("glCreateProgram");
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return ((GLuint)(NULL));
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}
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void dummy_glAttachObject(GLhandleARB, GLhandleARB)
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{ /* GLX render opcode ? */
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DisplayError("glAttachObject");
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}
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void dummy_glLinkProgram(GLuint/*program*/)
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{ /* GLX render opcode ? */
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DisplayError("glLinkProgram");
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}
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void dummy_glUseProgram(GLuint/*program*/)
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{ /* GLX render opcode ? */
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DisplayError("glUseProgram");
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}
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GLint dummy_glGetUniformLocation(GLuint/*program*/, GLchar* /*name*/)
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{ /* GLX single opcode ? */
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DisplayError("glGetUniformLocation");
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return -1;
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}
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void dummy_glUniform1i(GLint/*location*/, GLint/*v0*/)
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{ /* GLX render opcode ? */
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DisplayError("glUniform1i");
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}
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void dummy_glUniform4i(GLint/*location*/, GLint, GLint, GLint, GLint)
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{ /* GLX render opcode ? */
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DisplayError("glUniform4i");
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}
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void dummy_glUniform1f(GLint/*location*/, GLfloat/*v0*/)
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{ /* GLX render opcode ? */
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DisplayError("glUniform1f");
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}
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void dummy_glUniform4f(GLint/*location*/, GLfloat, GLfloat, GLfloat, GLfloat)
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{ /* GLX render opcode ? */
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DisplayError("glUniform4f");
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}
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void dummy_glDeleteObject(GLhandleARB/*obj*/)
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{ /* GLX render opcode ? */
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DisplayError("glDeleteObject");
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}
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void dummy_glGetInfoLog(GLhandleARB, GLsizei, GLsizei *, GLcharARB *)
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{ /* GLX single opcode ? */
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DisplayError("glGetInfoLog");
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}
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void dummy_glGetObjectParameteriv(GLhandleARB, GLenum, GLint *)
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{ /* GLX single opcode ? */
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DisplayError("glGetObjectParameteriv");
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}
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// FXT1,DXT1,DXT5 support - Hiroshi Morii <koolsmoky(at)users.sourceforge.net>
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// NOTE: Glide64 + GlideHQ use the following formats
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@ -290,6 +434,10 @@ PFNGLSECONDARYCOLOR3FPROC glSecondaryColor3f;
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// GL_COMPRESSED_RGB_FXT1_3DFX
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// GL_COMPRESSED_RGBA_FXT1_3DFX
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PFNGLCOMPRESSEDTEXIMAGE2DPROC glCompressedTexImage2DARB;
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void dummy_glCompressedTexImage2D(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *)
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{ /* GLX render opcode 215 */
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DisplayError("glCompressedTexImage2D");
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}
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#endif // _WIN32
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@ -980,6 +1128,11 @@ grSstWinOpen(
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#ifdef _WIN32
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glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC)wglGetProcAddress("glActiveTextureARB");
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glMultiTexCoord2fARB = (PFNGLMULTITEXCOORD2FARBPROC)wglGetProcAddress("glMultiTexCoord2fARB");
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if (glActiveTextureARB == NULL)
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glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC)dummy_glActiveTexture;
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if (glMultiTexCoord2fARB == NULL)
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glMultiTexCoord2fARB = (PFNGLMULTITEXCOORD2FARBPROC)dummy_glMultiTexCoord2f;
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#endif // _WIN32
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nbTextureUnits = 0;
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@ -1016,6 +1169,8 @@ grSstWinOpen(
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#ifdef _WIN32
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glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC)wglGetProcAddress("glBlendFuncSeparateEXT");
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if (glBlendFuncSeparateEXT == NULL)
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glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC)dummy_glBlendFuncSeparate;
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#endif // _WIN32
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if (isExtensionSupported("GL_EXT_fog_coord") == 0)
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@ -1025,10 +1180,14 @@ grSstWinOpen(
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#ifdef _WIN32
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glFogCoordfEXT = (PFNGLFOGCOORDFPROC)wglGetProcAddress("glFogCoordfEXT");
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if (glFogCoordfEXT == NULL)
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glFogCoordfEXT = (PFNGLFOGCOORDFPROC)dummy_glFogCoordf;
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#endif // _WIN32
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#ifdef _WIN32
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wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
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if (wglGetExtensionsStringARB == NULL)
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wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)dummy_wglGetExtensionsString;
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#endif // _WIN32
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#ifdef _WIN32
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@ -1038,11 +1197,33 @@ grSstWinOpen(
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glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)wglGetProcAddress("glCheckFramebufferStatusEXT");
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glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)wglGetProcAddress("glDeleteFramebuffersEXT");
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if (glBindFramebufferEXT == NULL)
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glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)dummy_glBindFramebuffer;
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if (glFramebufferTexture2DEXT == NULL)
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glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)dummy_glFramebufferTexture2D;
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if (glGenFramebuffersEXT == NULL)
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glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)dummy_glGenFramebuffers;
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if (glCheckFramebufferStatusEXT == NULL)
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glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)dummy_glCheckFramebufferStatus;
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if (glDeleteFramebuffersEXT == NULL)
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glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)dummy_glDeleteFramebuffers;
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glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC)wglGetProcAddress("glBindRenderbufferEXT");
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glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC)wglGetProcAddress("glDeleteRenderbuffersEXT");
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glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC)wglGetProcAddress("glGenRenderbuffersEXT");
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glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC)wglGetProcAddress("glRenderbufferStorageEXT");
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glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC)wglGetProcAddress("glFramebufferRenderbufferEXT");
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if (glBindRenderbufferEXT == NULL)
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glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC)dummy_glBindRenderbuffer;
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if (glDeleteRenderbuffersEXT == NULL)
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glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC)dummy_glDeleteRenderbuffers;
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if (glGenRenderbuffersEXT == NULL)
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glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC)dummy_glGenRenderbuffers;
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if (glRenderbufferStorageEXT == NULL)
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glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC)dummy_glRenderbufferStorage;
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if (glFramebufferRenderbufferEXT == NULL)
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glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC)dummy_glFramebufferRenderbuffer;
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#endif // _WIN32
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use_fbo = config.fbo && glFramebufferRenderbufferEXT;
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@ -1083,6 +1264,42 @@ grSstWinOpen(
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#ifdef _WIN32
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glCompressedTexImage2DARB = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)wglGetProcAddress("glCompressedTexImage2DARB");
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if (glCreateShaderObjectARB == NULL)
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glCreateShaderObjectARB = (PFNGLCREATESHADEROBJECTARBPROC)dummy_glCreateShader;
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if (glShaderSourceARB == NULL)
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glShaderSourceARB = (PFNGLSHADERSOURCEARBPROC)dummy_glShaderSource;
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if (glCompileShaderARB == NULL)
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glCompileShaderARB = (PFNGLCOMPILESHADERARBPROC)dummy_glCompileShader;
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if (glCreateProgramObjectARB == NULL)
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glCreateProgramObjectARB = (PFNGLCREATEPROGRAMOBJECTARBPROC)dummy_glCreateProgram;
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if (glAttachObjectARB == NULL)
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glAttachObjectARB = (PFNGLATTACHOBJECTARBPROC)dummy_glAttachObject;
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if (glLinkProgramARB == NULL)
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glLinkProgramARB = (PFNGLLINKPROGRAMARBPROC)dummy_glLinkProgram;
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if (glUseProgramObjectARB == NULL)
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glUseProgramObjectARB = (PFNGLUSEPROGRAMOBJECTARBPROC)dummy_glUseProgram;
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if (glGetUniformLocationARB == NULL)
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glGetUniformLocationARB = (PFNGLGETUNIFORMLOCATIONARBPROC)dummy_glGetUniformLocation;
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if (glUniform1iARB == NULL)
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glUniform1iARB = (PFNGLUNIFORM1IARBPROC)dummy_glUniform1i;
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if (glUniform4iARB == NULL)
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glUniform4iARB = (PFNGLUNIFORM4IARBPROC)dummy_glUniform4i;
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if (glUniform4fARB == NULL)
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glUniform4fARB = (PFNGLUNIFORM4FARBPROC)dummy_glUniform4f;
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if (glUniform1fARB == NULL)
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glUniform1fARB = (PFNGLUNIFORM1FARBPROC)dummy_glUniform1f;
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if (glDeleteObjectARB == NULL)
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glDeleteObjectARB = (PFNGLDELETEOBJECTARBPROC)dummy_glDeleteObject;
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if (glGetInfoLogARB == NULL)
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glGetInfoLogARB = (PFNGLGETINFOLOGARBPROC)dummy_glGetInfoLog;
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if (glGetObjectParameterivARB == NULL)
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glGetObjectParameterivARB = (PFNGLGETOBJECTPARAMETERIVARBPROC)dummy_glGetObjectParameteriv;
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if (glSecondaryColor3f == NULL)
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glSecondaryColor3f = (PFNGLSECONDARYCOLOR3FPROC)dummy_glSecondaryColor3f;
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if (glCompressedTexImage2DARB == NULL)
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glCompressedTexImage2DARB = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)dummy_glCompressedTexImage2D;
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#endif
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