mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
synced 2026-02-04 06:44:28 +01:00
145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
/*
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* Copyright (c) 2002 Light Weight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* Base Win32 functionality for GL.
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*
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* @author cix_foo <cix_foo@users.sourceforge.net>
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* @version $Revision$
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*/
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#include <windows.h>
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#include "org_lwjgl_opengl_BaseGL.h"
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#include "extgl.h"
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HGLRC hglrc = NULL; // OpenGL rendering context
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extern HDC hdc;
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extern HWND hwnd;
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extern void handleMessages();
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/*
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* Class: org_lwjgl_opengl_BaseGL
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* Method: nCreate
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* Signature: (IIII)Z
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*/
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
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(JNIEnv * env, jobject obj)
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{
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if (!hwnd) {
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printf("No window handle\n");
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return JNI_FALSE;
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}
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if (extgl_Open() != 0)
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return JNI_FALSE;
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// Create a rendering context
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hglrc = wglCreateContext(hdc);
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if (hglrc == NULL) {
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printf("Failed to create device context.\n");
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return JNI_FALSE;
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}
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// Automatically make it the current context
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wglMakeCurrent(hdc, hglrc);
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if (extgl_Initialize() != 0) {
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printf("Failed to initialize GL\n");
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return JNI_FALSE;
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}
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#ifdef _DEBUG
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char * p = (char *) glGetString(GL_EXTENSIONS);
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if (NULL == p) {
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printf("NO extensions available\n");
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} else {
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printf("Available extensions:\n%s\n", p);
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}
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#endif
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return JNI_TRUE;
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}
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/*
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* Class: org_lwjgl_opengl_BaseGL
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* Method: nDestroy
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_nDestroy
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(JNIEnv * env, jobject obj)
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{
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wglMakeCurrent(NULL, NULL);
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// Delete the rendering context
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if (hglrc != NULL)
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wglDeleteContext(hglrc);
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extgl_Close();
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}
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/*
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* Class: org_lwjgl_opengl_BaseGL
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* Method: swapBuffers
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_swapBuffers
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(JNIEnv *, jobject)
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{
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// Handle OS messages here
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handleMessages();
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// Then do the flip
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SwapBuffers(hdc);
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}
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/*
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* Class: org_lwjgl_opengl_BaseGL
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* Method: nFreeContext
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_nReleaseContext
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(JNIEnv *env, jobject obj)
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{
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wglMakeCurrent(hdc, NULL);
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}
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/*
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* Class: org_lwjgl_opengl_BaseGL
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* Method: nMakeCurrent
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* Signature: ()V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_nMakeCurrent
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(JNIEnv * env, jobject obj)
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{
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wglMakeCurrent(hdc, hglrc);
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}
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