49 lines
2.2 KiB
Diff
49 lines
2.2 KiB
Diff
diff -urN freeglut-3.2.1.orig/src/fg_gl2.c freeglut-3.2.1/src/fg_gl2.c
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--- freeglut-3.2.1.orig/src/fg_gl2.c 2014-06-01 04:24:47.000000000 -0500
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+++ freeglut-3.2.1/src/fg_gl2.c 2020-08-04 19:54:14.348875031 -0500
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@@ -27,6 +27,20 @@
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#include "fg_internal.h"
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#include "fg_gl2.h"
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+#ifndef GL_ES_VERSION_2_0
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+/* GLES2 has the corresponding entry points built-in, and these fgh-prefixed
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+ * names are defined in fg_gl2.h header to reference them, for any other case,
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+ * define them as function pointers here.
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+ */
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+FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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+FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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+FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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+FGH_PFNGLBUFFERDATAPROC fghBufferData;
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+FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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+FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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+FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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+#endif
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+
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void FGAPIENTRY glutSetVertexAttribCoord3(GLint attrib) {
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if (fgStructure.CurrentWindow != NULL)
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fgStructure.CurrentWindow->Window.attribute_v_coord = attrib;
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diff -urN freeglut-3.2.1.orig/src/fg_gl2.h freeglut-3.2.1/src/fg_gl2.h
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--- freeglut-3.2.1.orig/src/fg_gl2.h 2012-04-21 13:22:24.000000000 -0500
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+++ freeglut-3.2.1/src/fg_gl2.h 2020-08-04 19:54:17.075914225 -0500
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@@ -67,13 +67,13 @@
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typedef void (APIENTRY *FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint);
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typedef void (APIENTRY *FGH_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
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-FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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-FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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-FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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-FGH_PFNGLBUFFERDATAPROC fghBufferData;
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-FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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-FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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-FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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+extern FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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+extern FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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+extern FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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+extern FGH_PFNGLBUFFERDATAPROC fghBufferData;
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+extern FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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+extern FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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+extern FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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# endif
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