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Diffstat (limited to 'progs/wgl/sharedtex_mt/sharedtex_mt.c')
-rw-r--r--progs/wgl/sharedtex_mt/sharedtex_mt.c565
1 files changed, 0 insertions, 565 deletions
diff --git a/progs/wgl/sharedtex_mt/sharedtex_mt.c b/progs/wgl/sharedtex_mt/sharedtex_mt.c
deleted file mode 100644
index 779e15001d..0000000000
--- a/progs/wgl/sharedtex_mt/sharedtex_mt.c
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
- * Test sharing of display lists and texture objects between GLX contests.
- * Brian Paul
- * Summer 2000
- *
- *
- * Copyright (C) 2000 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- *
- * Modified 2009 for multithreading by Thomas Hellstrom.
- *
- * Port to windows by Michal Krol.
- */
-
-
-#include <windows.h>
-#include <GL/gl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#pragma comment(lib, "opengl32.lib")
-
-struct thread_init_arg {
- int id;
-};
-
-struct window {
- CRITICAL_SECTION drawMutex;
- HDC hDC;
- HWND Win;
- HGLRC Context;
- float Angle;
- int Id;
- HGLRC sharedContext;
- HANDLE hEventInitialised;
-};
-
-
-#define MAX_WINDOWS 20
-static struct window Windows[MAX_WINDOWS];
-static int NumWindows = 0;
-static HANDLE terminate = NULL;
-static HGLRC gCtx = NULL;
-static HDC gHDC = NULL;
-static GLuint Textures[3];
-
-
-
-static void
-Error(const char *msg)
-{
- fprintf(stderr, "Error - %s\n", msg);
- exit(1);
-}
-
-static void
-Resize(struct window *h, unsigned int width, unsigned int height);
-
-static LRESULT CALLBACK
-WndProc(HWND hWnd,
- UINT uMsg,
- WPARAM wParam,
- LPARAM lParam )
-{
- switch (uMsg) {
- case WM_KEYDOWN:
- SetEvent(terminate);
- break;
- case WM_SIZE:
- {
- LONG index = GetWindowLong(hWnd, GWL_USERDATA);
-
- if (index >= 0 && index < MAX_WINDOWS) {
- RECT r;
-
- GetClientRect(hWnd, &r);
- Resize(&Windows[index], r.right, r.bottom);
- }
- }
- break;
- case WM_CREATE:
- {
- CREATESTRUCT *pcs = (CREATESTRUCT *) lParam;
-
- SetWindowLong(hWnd, GWL_USERDATA, (LONG) pcs->lpCreateParams);
- }
- break;
- case WM_DESTROY:
- PostQuitMessage(0);
- break;
- default:
- return DefWindowProc(hWnd, uMsg, wParam, lParam);
- }
-
- return 0;
-}
-
-static int
-initMainthread(void)
-{
- WNDCLASS wc = {0};
- HWND win;
- PIXELFORMATDESCRIPTOR pfd = {0};
- int visinfo;
-
- wc.lpfnWndProc = WndProc;
- wc.lpszClassName = "sharedtex_mt.hidden";
- wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
- RegisterClass(&wc);
-
- win = CreateWindowEx(0,
- wc.lpszClassName,
- "sharedtex_mt.hidden",
- WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- NULL,
- NULL,
- wc.hInstance,
- (LPVOID) -1);
- if (!win) {
- Error("Couldn't create window");
- }
-
- gHDC = GetDC(win);
- if (!gHDC) {
- Error("Couldn't obtain HDC");
- }
-
- pfd.cColorBits = 24;
- pfd.cDepthBits = 24;
- pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
- pfd.iLayerType = PFD_MAIN_PLANE;
- pfd.iPixelType = PFD_TYPE_RGBA;
- pfd.nSize = sizeof(pfd);
- pfd.nVersion = 1;
-
- visinfo = ChoosePixelFormat(gHDC, &pfd);
- if (!visinfo) {
- Error("Unable to find RGB, Z, double-buffered visual");
- }
-
- SetPixelFormat(gHDC, visinfo, &pfd);
- gCtx = wglCreateContext(gHDC);
- if (!gCtx) {
- Error("Couldn't create WGL context");
- }
-
- return 0;
-}
-
-static struct window *
-AddWindow(int xpos, int ypos, HGLRC sCtx)
-{
- struct window *win = &Windows[NumWindows];
- WNDCLASS wc = {0};
- int width = 300, height = 300;
-
- if (NumWindows >= MAX_WINDOWS)
- return NULL;
-
- memset(win, 0, sizeof(*win));
- InitializeCriticalSection(&win->drawMutex);
- win->Angle = 0.0;
- win->Id = NumWindows++;
-
- wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
- wc.hCursor = LoadCursor(NULL, IDC_ARROW);
- wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
- wc.lpfnWndProc = WndProc;
- wc.lpszClassName = "sharedtex_mt";
- wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
- RegisterClass(&wc);
-
- win->Win = CreateWindowEx(0,
- wc.lpszClassName,
- "sharedtex_mt",
- WS_SIZEBOX | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
- xpos,
- ypos,
- width,
- height,
- NULL,
- NULL,
- wc.hInstance,
- (LPVOID) win->Id);
- if (!win->Win) {
- Error("Couldn't create window");
- }
-
- win->sharedContext = sCtx;
-
- ShowWindow(win->Win, SW_SHOW);
-
- return win;
-}
-
-
-static void
-InitGLstuff(void)
-{
- glGenTextures(3, Textures);
-
- /* setup first texture object */
- {
- GLubyte image[16][16][4];
- GLint i, j;
- glBindTexture(GL_TEXTURE_2D, Textures[0]);
-
- /* red/white checkerboard */
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- if ((i ^ j) & 1) {
- image[i][j][0] = 255;
- image[i][j][1] = 255;
- image[i][j][2] = 255;
- image[i][j][3] = 255;
- }
- else {
- image[i][j][0] = 255;
- image[i][j][1] = 0;
- image[i][j][2] = 0;
- image[i][j][3] = 255;
- }
- }
- }
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA,
- GL_UNSIGNED_BYTE, image);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- /* setup second texture object */
- {
- GLubyte image[8][8][3];
- GLint i, j;
- glBindTexture(GL_TEXTURE_2D, Textures[1]);
-
- /* green/yellow checkerboard */
- for (i = 0; i < 8; i++) {
- for (j = 0; j < 8; j++) {
- if ((i ^ j) & 1) {
- image[i][j][0] = 0;
- image[i][j][1] = 255;
- image[i][j][2] = 0;
- }
- else {
- image[i][j][0] = 255;
- image[i][j][1] = 255;
- image[i][j][2] = 0;
- }
- }
- }
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB,
- GL_UNSIGNED_BYTE, image);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- /* setup second texture object */
- {
- GLubyte image[4][4][3];
- GLint i, j;
- glBindTexture(GL_TEXTURE_2D, Textures[2]);
-
- /* blue/gray checkerboard */
- for (i = 0; i < 4; i++) {
- for (j = 0; j < 4; j++) {
- if ((i ^ j) & 1) {
- image[i][j][0] = 0;
- image[i][j][1] = 0;
- image[i][j][2] = 255;
- }
- else {
- image[i][j][0] = 200;
- image[i][j][1] = 200;
- image[i][j][2] = 200;
- }
- }
- }
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_RGB,
- GL_UNSIGNED_BYTE, image);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- /* Now make the cube object display list */
-
- printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
- printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
- printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
-}
-
-static void
-Redraw(struct window *h)
-{
- EnterCriticalSection(&h->drawMutex);
- if (!wglMakeCurrent(h->hDC, h->Context)) {
- LeaveCriticalSection(&h->drawMutex);
- Error("wglMakeCurrent failed in Redraw");
- return;
- }
-
- h->Angle += 1.0;
-
- glShadeModel(GL_FLAT);
- glClearColor(0.25, 0.25, 0.25, 1.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_DEPTH_TEST);
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- glColor3f(1, 1, 1);
-
- glPushMatrix();
- if (h->Id == 0)
- glRotatef(h->Angle, 0, 1, -1);
- else if (h->Id == 1)
- glRotatef(-(h->Angle), 0, 1, -1);
- else if (h->Id == 2)
- glRotatef(h->Angle, 0, 1, 1);
- else if (h->Id == 3)
- glRotatef(-(h->Angle), 0, 1, 1);
- glBindTexture(GL_TEXTURE_2D, Textures[0]);
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
- glTexCoord2f(1, 0); glVertex3f(-1, 1, -1);
- glTexCoord2f(1, 1); glVertex3f(-1, 1, 1);
- glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
- glEnd();
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(1, -1, -1);
- glTexCoord2f(1, 0); glVertex3f(1, 1, -1);
- glTexCoord2f(1, 1); glVertex3f(1, 1, 1);
- glTexCoord2f(0, 1); glVertex3f(1, -1, 1);
- glEnd();
-
- glBindTexture(GL_TEXTURE_2D, Textures[1]);
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
- glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
- glTexCoord2f(1, 1); glVertex3f( 1, -1, 1);
- glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
- glEnd();
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(-1, 1, -1);
- glTexCoord2f(1, 0); glVertex3f( 1, 1, -1);
- glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
- glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
- glEnd();
-
- glBindTexture(GL_TEXTURE_2D, Textures[2]);
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
- glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
- glTexCoord2f(1, 1); glVertex3f( 1, 1, -1);
- glTexCoord2f(0, 1); glVertex3f(-1, 1, -1);
- glEnd();
- glBegin(GL_POLYGON);
- glTexCoord2f(0, 0); glVertex3f(-1, -1, 1);
- glTexCoord2f(1, 0); glVertex3f( 1, -1, 1);
- glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
- glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
- glEnd();
-
- glPopMatrix();
-
- SwapBuffers(h->hDC);
-
- if (!wglMakeCurrent(NULL, NULL)) {
- Error("wglMakeCurrent failed in Redraw");
- }
- LeaveCriticalSection(&h->drawMutex);
-}
-
-static DWORD WINAPI
-threadRunner (void *arg)
-{
- struct thread_init_arg *tia = (struct thread_init_arg *) arg;
- struct window *win;
- PIXELFORMATDESCRIPTOR pfd = {0};
- int visinfo;
-
- win = &Windows[tia->id];
-
- win->hDC = GetDC(win->Win);
- if (!win->hDC) {
- Error("Couldn't obtain HDC");
- }
-
- /* Wait for the previous thread */
- if(tia->id > 0)
- WaitForSingleObject(Windows[tia->id - 1].hEventInitialised, INFINITE);
-
- pfd.cColorBits = 24;
- pfd.cDepthBits = 24;
- pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
- pfd.iLayerType = PFD_MAIN_PLANE;
- pfd.iPixelType = PFD_TYPE_RGBA;
- pfd.nSize = sizeof(pfd);
- pfd.nVersion = 1;
-
- visinfo = ChoosePixelFormat(win->hDC, &pfd);
- if (!visinfo) {
- Error("Unable to find RGB, Z, double-buffered visual");
- }
-
- SetPixelFormat(win->hDC, visinfo, &pfd);
- win->Context = wglCreateContext(win->hDC);
- if (!win->Context) {
- Error("Couldn't create WGL context");
- }
-
- if (win->sharedContext) {
- if(!wglShareLists(win->sharedContext, win->Context))
- Error("Couldn't share WGL context lists");
- }
-
- SetEvent(win->hEventInitialised);
-
- /* Wait for all threads to initialize otherwise wglShareLists will fail */
- if(tia->id < NumWindows - 1)
- WaitForSingleObject(Windows[NumWindows - 1].hEventInitialised, INFINITE);
-
- SendMessage(win->Win, WM_SIZE, 0, 0);
-
- while (1) {
- MSG msg;
-
- /* wait 1 ms for signal either to exit or process messages */
- switch (MsgWaitForMultipleObjects(1, &terminate, FALSE, 1, QS_ALLINPUT)) {
- case WAIT_OBJECT_0:
- SendMessage(win->Win, WM_CLOSE, 0, 0);
- break;
- case WAIT_OBJECT_0 + 1:
- break;
- }
-
- while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
- if (msg.message == WM_QUIT) {
- return 0;
- }
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
-
- Redraw(win);
- }
-
- return 0;
-}
-
-static void
-Resize(struct window *h, unsigned int width, unsigned int height)
-{
- if (!h->Context)
- return;
-
- EnterCriticalSection(&h->drawMutex);
-
- if (!wglMakeCurrent(h->hDC, h->Context)) {
- LeaveCriticalSection(&h->drawMutex);
- Error("wglMakeCurrent failed in Resize()");
- return;
- }
-
- glViewport(0, 0, width, height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1, 1, -1, 1, 2, 10);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0, 0, -4.5);
- if (!wglMakeCurrent(NULL, NULL)) {
- Error("wglMakeCurrent failed in Resize()");
- }
- LeaveCriticalSection(&h->drawMutex);
-}
-
-int
-main(int argc, char *argv[])
-{
- struct thread_init_arg tia[MAX_WINDOWS];
- struct window *h[MAX_WINDOWS];
- HANDLE threads[MAX_WINDOWS];
- int i;
-
- terminate = CreateEvent(NULL, TRUE, FALSE, NULL);
-
- if (initMainthread())
- return -1;
-
- /* four windows and contexts sharing display lists and texture objects */
- h[0] = AddWindow( 10, 10, gCtx);
- h[1] = AddWindow(330, 10, gCtx);
- h[2] = AddWindow( 10, 350, gCtx);
- h[3] = AddWindow(330, 350, gCtx);
-
- for (i = 0; i < NumWindows; i++) {
- Windows[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
- }
-
- for (i = 0; i < NumWindows; i++) {
- DWORD id;
-
- tia[i].id = i;
- threads[i] = CreateThread(NULL, 0, threadRunner, &tia[i], 0, &id);
-
- WaitForSingleObject(Windows[i].hEventInitialised, INFINITE);
- }
-
- if (!wglMakeCurrent(gHDC, gCtx)) {
- Error("wglMakeCurrent failed for init thread.");
- return -1;
- }
-
- InitGLstuff();
-
- while (1) {
- MSG msg;
-
- /* wait 1 ms for signal either to exit or process messages */
- switch (MsgWaitForMultipleObjects(NumWindows, threads, TRUE, 1, QS_ALLINPUT)) {
- case WAIT_OBJECT_0:
- return 0;
- }
-
- while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
- if (msg.message == WM_QUIT) {
- return 0;
- }
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- }
-
- return 0;
-}
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