80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*
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* GLX implementation that uses Apple's OpenGL.framework
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*
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* Copyright (c) 2007-2011 Apple Inc.
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* Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
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* Copyright (c) 2002 Greg Parker. All Rights Reserved.
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*
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* Portions of this file are copied from Mesa's xf86glx.c,
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* which contains the following copyright:
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*
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* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF 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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#include <assert.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <GL/gl.h>
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#include "main/glheader.h"
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#include "glapi.h"
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#include "glapitable.h"
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#include "apple_glx.h"
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#include "apple_xgl_api.h"
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#include "apple_cgl.h"
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struct _glapi_table * __ogl_framework_api = NULL;
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struct _glapi_table * __applegl_api = NULL;
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static void _apple_glapi_create_table(void) {
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if (__applegl_api)
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return;
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__ogl_framework_api = _glapi_create_table_from_handle(apple_cgl_get_dl_handle(), "gl");
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assert(__ogl_framework_api);
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__applegl_api = malloc(sizeof(struct _glapi_table));
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assert(__applegl_api);
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memcpy(__applegl_api, __ogl_framework_api, sizeof(struct _glapi_table));
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_glapi_table_patch(__applegl_api, "ReadPixels", __applegl_glReadPixels);
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_glapi_table_patch(__applegl_api, "CopyPixels", __applegl_glCopyPixels);
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_glapi_table_patch(__applegl_api, "CopyColorTable", __applegl_glCopyColorTable);
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_glapi_table_patch(__applegl_api, "DrawBuffers", __applegl_glDrawBuffer);
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_glapi_table_patch(__applegl_api, "Viewport", __applegl_glViewport);
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}
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void apple_glapi_set_dispatch(void) {
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_apple_glapi_create_table();
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_glapi_set_dispatch(__applegl_api);
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}
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void apple_glapi_oglfw_viewport_scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
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_apple_glapi_create_table();
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__ogl_framework_api->Viewport(x, y, width, height);
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__ogl_framework_api->Scissor(x, y, width, height);
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}
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