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2c89401f75
So that we do not need define GLAPIENTRY repeatedly, always using the GLAPIENTRY macro comes from GL/gl.h Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Reviewed-by: Jesse Natalie <jenatali@microsoft.com> Acked-by: Brian Paul brianp@vmware.com Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19472>
124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*
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Copyright (c) 2009-2011 Apple Inc.
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
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HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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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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Except as contained in this notice, the name(s) of the above
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copyright holders shall not be used in advertising or otherwise to
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promote the sale, use or other dealings in this Software without
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prior written authorization.
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*/
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/* This should be removed once stereo hardware bugs are fixed
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* <rdar://problem/6729006>
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*/
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#include <stdbool.h>
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#define GL_GLEXT_PROTOTYPES
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#include <GL/gl.h>
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#include <GL/glext.h>
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#include "glxclient.h"
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#include "apple_glx_context.h"
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#include "apple_xgl_api.h"
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#include "glapitable.h"
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extern struct _glapi_table * __ogl_framework_api;
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/*
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* These are special functions for stereoscopic support
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* differences in MacOS X.
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*/
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void
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__applegl_glDrawBuffer(GLenum mode)
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{
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struct glx_context * gc = __glXGetCurrentContext();
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if (gc != &dummyContext && apple_glx_context_uses_stereo(gc->driContext)) {
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GLenum buf[2];
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GLsizei n = 0;
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switch (mode) {
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case GL_BACK:
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buf[0] = GL_BACK_LEFT;
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buf[1] = GL_BACK_RIGHT;
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n = 2;
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break;
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case GL_FRONT:
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buf[0] = GL_FRONT_LEFT;
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buf[1] = GL_FRONT_RIGHT;
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n = 2;
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break;
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default:
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buf[0] = mode;
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n = 1;
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break;
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}
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__ogl_framework_api->DrawBuffers(n, buf);
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}
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else {
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__ogl_framework_api->DrawBuffer(mode);
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}
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}
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void
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__applegl_glDrawBuffers(GLsizei n, const GLenum * bufs)
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{
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struct glx_context * gc = __glXGetCurrentContext();
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if (gc != &dummyContext && apple_glx_context_uses_stereo(gc->driContext)) {
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GLenum newbuf[n + 2];
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GLsizei i, outi = 0;
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bool have_back = false;
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bool have_front = false;
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for (i = 0; i < n; ++i) {
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if (GL_BACK == bufs[i]) {
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have_back = true;
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}
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else if (GL_FRONT == bufs[i]) {
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have_back = true;
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}
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else {
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newbuf[outi++] = bufs[i];
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}
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}
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if (have_back) {
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newbuf[outi++] = GL_BACK_LEFT;
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newbuf[outi++] = GL_BACK_RIGHT;
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}
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if (have_front) {
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newbuf[outi++] = GL_FRONT_LEFT;
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newbuf[outi++] = GL_FRONT_RIGHT;
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}
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__ogl_framework_api->DrawBuffers(outi, newbuf);
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}
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else {
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__ogl_framework_api->DrawBuffers(n, bufs);
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}
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}
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