progs: Remove forked/dead files.

1 files changed, 0 insertions, 636 deletions

diff --git a/progs/wgl/wglthreads/wglthreads.c b/progs/wgl/wglthreads/wglthreads.c
deleted file mode 100644
index 27dca10f2a..0000000000
--- a/progs/wgl/wglthreads/wglthreads.c
+++ /dev/null
@@ -1,636 +0,0 @@
-/*
- * 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.
- *
- *
- * Port to windows done by Michal Krol.
- */
-
-
-/*
- * This program tests WGL thread safety.
- * Command line options:
- *  -h                       Print usage
- *  -l                       Enable application-side locking
- *  -n <num threads>         Number of threads to create (default is 2)
- *  -t                       Use texture mapping
- *  -s                       Force single-threaded.
- *
- * Brian Paul  20 July 2000
- */
-
-
-/*
- * Notes:
- * - Each thread gets its own WGL context.
- *
- * - The WGL contexts share texture objects.
- *
- * - When 't' is pressed to update the texture image, the window/thread which
- *   has input focus is signalled to change the texture.  The other threads
- *   should see the updated texture the next time they call glBindTexture.
- */
-
-
-#include <assert.h>
-#include <windows.h>
-#include <GL/gl.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#pragma comment(lib, "opengl32.lib")
-
-
-/*
- * Each window/thread/context:
- */
-struct winthread {
-   int Index;
-   HANDLE Thread;
-   HWND Win;
-   HDC hDC;
-   HGLRC Context;
-   float Angle;
-   int WinWidth, WinHeight;
-   GLboolean NewSize;
-   HANDLE hEventInitialised;
-   GLboolean Initialized;
-   GLboolean MakeNewTexture;
-   HANDLE hEventRedraw;
-};
-
-
-#define MAX_WINTHREADS 100
-static struct winthread WinThreads[MAX_WINTHREADS];
-static int NumWinThreads = 2;
-static HANDLE ExitEvent = NULL;
-
-static GLboolean Locking = 0;
-static GLboolean Texture = GL_FALSE;
-static GLboolean SingleThreaded = GL_FALSE;
-static GLuint TexObj = 12;
-static GLboolean Animate = GL_TRUE;
-
-static CRITICAL_SECTION Mutex;
-
-
-static void
-Error(const char *msg)
-{
-   fprintf(stderr, "Error: %s\n", msg);
-   exit(1);
-}
-
-
-static void
-signal_redraw(void)
-{
-   int i;
-
-   for (i = 0; i < NumWinThreads; i++) {
-      SetEvent(WinThreads[i].hEventRedraw);
-   }
-}
-
-
-static void
-MakeNewTexture(struct winthread *wt)
-{
-#define TEX_SIZE 128
-   static float step = 0.0f;
-   GLfloat image[TEX_SIZE][TEX_SIZE][4];
-   GLint width;
-   int i, j;
-
-   for (j = 0; j < TEX_SIZE; j++) {
-      for (i = 0; i < TEX_SIZE; i++) {
-         float dt = 5.0f * (j - 0.5f * TEX_SIZE) / TEX_SIZE;
-         float ds = 5.0f * (i - 0.5f * TEX_SIZE) / TEX_SIZE;
-         float r = dt * dt + ds * ds + step;
-         image[j][i][0] = 
-         image[j][i][1] = 
-         image[j][i][2] = 0.75f + 0.25f * (float) cos(r);
-         image[j][i][3] = 1.0f;
-      }
-   }
-
-   step += 0.5;
-
-   glBindTexture(GL_TEXTURE_2D, TexObj);
-
-   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
-   if (width) {
-      assert(width == TEX_SIZE);
-      /* sub-tex replace */
-      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEX_SIZE, TEX_SIZE,
-                   GL_RGBA, GL_FLOAT, image);
-   }
-   else {
-      /* create new */
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
-      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_SIZE, TEX_SIZE, 0, 
-                   GL_RGBA, GL_FLOAT, image);
-   }
-}
-
-
-
-/* draw a colored cube */
-static void
-draw_object(void)
-{
-   glPushMatrix();
-   glScalef(0.75f, 0.75f, 0.75f);
-
-   glColor3f(1, 0, 0);
-
-   if (Texture) {
-      glBindTexture(GL_TEXTURE_2D, TexObj);
-      glEnable(GL_TEXTURE_2D);
-   }
-   else {
-      glDisable(GL_TEXTURE_2D);
-   }
-
-   glBegin(GL_QUADS);
-
-   /* -X */
-   glColor3f(0, 1, 1);
-   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);
-
-   /* +X */
-   glColor3f(1, 0, 0);
-   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);
-
-   /* -Y */
-   glColor3f(1, 0, 1);
-   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);
-
-   /* +Y */
-   glColor3f(0, 1, 0);
-   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);
-
-   /* -Z */
-   glColor3f(1, 1, 0);
-   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);
-
-   /* +Y */
-   glColor3f(0, 0, 1);
-   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();
-}
-
-
-/* signal resize of given window */
-static void
-resize(struct winthread *wt, int w, int h)
-{
-   wt->NewSize = GL_TRUE;
-   wt->WinWidth = w;
-   wt->WinHeight = h;
-   if (!Animate)
-      SetEvent(wt->hEventRedraw);
-}
-
-
-/*
- * We have an instance of this for each thread.
- */
-static void
-draw_loop(struct winthread *wt)
-{
-   while (1) {
-      GLboolean draw = Animate;
-      MSG msg;
-
-      if (Animate) {
-         /* wait 5 ms for signal either to exit or process messages */
-         switch (MsgWaitForMultipleObjects(1, &ExitEvent, FALSE, 5, QS_ALLINPUT)) {
-         case WAIT_OBJECT_0:
-            SendMessage(wt->Win, WM_CLOSE, 0, 0);
-            break;
-         case WAIT_OBJECT_0 + 1:
-            break;
-         }
-      }
-      else {
-         HANDLE events[2];
-
-         events[0] = wt->hEventRedraw;
-         events[1] = ExitEvent;
-
-         /* wait for signal either to draw, exit or process messages */
-         switch (MsgWaitForMultipleObjects(2, events, FALSE, INFINITE, QS_ALLINPUT)) {
-         case WAIT_OBJECT_0:
-            draw = GL_TRUE;
-            break;
-         case WAIT_OBJECT_0 + 1:
-            SendMessage(wt->Win, WM_CLOSE, 0, 0);
-            break;
-         case WAIT_OBJECT_0 + 2:
-            break;
-         }
-      }
-
-      while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
-         if (msg.message == WM_QUIT) {
-            return;
-         }
-         TranslateMessage(&msg);
-         DispatchMessage(&msg);
-      }
-
-      if (!draw)
-         continue;
-
-      if (Locking)
-         EnterCriticalSection(&Mutex);
-
-      wglMakeCurrent(wt->hDC, wt->Context);
-
-      if (!wt->Initialized) {
-         printf("wglthreads: %d: GL_RENDERER = %s\n", wt->Index,
-                (char *) glGetString(GL_RENDERER));
-         if (Texture /*&& wt->Index == 0*/) {
-            MakeNewTexture(wt);
-         }
-         wt->Initialized = GL_TRUE;
-      }
-
-      if (Locking)
-         LeaveCriticalSection(&Mutex);
-
-      glEnable(GL_DEPTH_TEST);
-
-      if (wt->NewSize) {
-         GLfloat w = (float) wt->WinWidth / (float) wt->WinHeight;
-         glViewport(0, 0, wt->WinWidth, wt->WinHeight);
-         glMatrixMode(GL_PROJECTION);
-         glLoadIdentity();
-         glFrustum(-w, w, -1.0, 1.0, 1.5, 10);
-         glMatrixMode(GL_MODELVIEW);
-         glLoadIdentity();
-         glTranslatef(0, 0, -2.5);
-         wt->NewSize = GL_FALSE;
-      }
-
-      if (wt->MakeNewTexture) {
-         MakeNewTexture(wt);
-         wt->MakeNewTexture = GL_FALSE;
-      }
-
-      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-      glPushMatrix();
-         glRotatef(wt->Angle, 0, 1, 0);
-         glRotatef(wt->Angle, 1, 0, 0);
-         glScalef(0.7f, 0.7f, 0.7f);
-         draw_object();
-      glPopMatrix();
-
-      if (Locking)
-         EnterCriticalSection(&Mutex);
-
-      SwapBuffers(wt->hDC);
-
-      if (Locking)
-         LeaveCriticalSection(&Mutex);
-
-      wt->Angle += 1.0;
-   }
-}
-
-
-static void
-keypress(WPARAM keySym, struct winthread *wt)
-{
-   switch (keySym) {
-   case VK_ESCAPE:
-      /* tell all threads to exit */
-      SetEvent(ExitEvent);
-      /*printf("exit draw_loop %d\n", wt->Index);*/
-      return;
-   case 't':
-   case 'T':
-      if (Texture) {
-         wt->MakeNewTexture = GL_TRUE;
-         if (!Animate)
-            signal_redraw();
-      }
-      break;
-   case 'a':
-   case 'A':
-      Animate = !Animate;
-      if (Animate)
-         signal_redraw();
-      break;
-   case 's':
-   case 'S':
-      if (!Animate)
-         signal_redraw();
-      break;
-   default:
-      ; /* nop */
-   }
-}
-
-
-static LRESULT CALLBACK
-WndProc(HWND hWnd,
-        UINT uMsg,
-        WPARAM wParam,
-        LPARAM lParam )
-{
-   int i;
-
-   switch (uMsg) {
-   case WM_KEYDOWN:
-      for (i = 0; i < NumWinThreads; i++) {
-         struct winthread *wt = &WinThreads[i];
-
-         if (hWnd == wt->Win) {
-            keypress(wParam, wt);
-            break;
-         }
-      }
-      break;
-   case WM_SIZE:
-      for (i = 0; i < NumWinThreads; i++) {
-         struct winthread *wt = &WinThreads[i];
-
-         if (hWnd == wt->Win) {
-            RECT r;
-
-            GetClientRect(hWnd, &r);
-            resize(wt, r.right, r.bottom);
-            break;
-         }
-      }
-      break;
-   case WM_DESTROY:
-      PostQuitMessage(0);
-      break;
-   default:
-      return DefWindowProc(hWnd, uMsg, wParam, lParam);
-   }
-
-   return 0;
-}
-
-/*
- * we'll call this once for each thread, before the threads are created.
- */
-static void
-create_window(struct winthread *wt, HGLRC shareCtx)
-{
-   WNDCLASS wc = {0};
-   int width = 160, height = 160;
-   int xpos = (wt->Index % 8) * (width + 10);
-   int ypos = (wt->Index / 8) * (width + 20);
-   HWND win;
-   HDC hdc;
-   PIXELFORMATDESCRIPTOR pfd = {0};
-   int visinfo;
-   HGLRC ctx;
-
-   wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
-   wc.hCursor = LoadCursor(NULL, IDC_ARROW);
-   wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
-   wc.lpfnWndProc = WndProc;
-   wc.lpszClassName = "wglthreads";
-   wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
-   RegisterClass(&wc);
-
-   win = CreateWindowEx(0,
-                        wc.lpszClassName,
-                        "wglthreads",
-                        WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TILEDWINDOW,
-                        xpos,
-                        ypos,
-                        width,
-                        height,
-                        NULL,
-                        NULL,
-                        wc.hInstance,
-                        (LPVOID) wt);
-   if (!win) {
-      Error("Couldn't create window");
-   }
-
-   hdc = GetDC(win);
-   if (!hdc) {
-      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(hdc, &pfd);
-   if (!visinfo) {
-      Error("Unable to find RGB, Z, double-buffered visual");
-   }
-
-   SetPixelFormat(hdc, visinfo, &pfd);
-   ctx = wglCreateContext(hdc);
-   if (!ctx) {
-      Error("Couldn't create WGL context");
-   }
-
-   if (shareCtx) {
-      if(!wglShareLists(shareCtx, ctx))
-         Error("Couldn't share WGL context lists");
-   }
-
-   /* save the info for this window/context */
-   wt->Win = win;
-   wt->hDC = hdc;
-   wt->Context = ctx;
-   wt->Angle = 0.0;
-   wt->WinWidth = width;
-   wt->WinHeight = height;
-   wt->NewSize = GL_TRUE;
-}
-
-
-/*
- * Called by pthread_create()
- */
-static DWORD WINAPI
-ThreadProc(void *p)
-{
-   struct winthread *wt = (struct winthread *) p;
-   HGLRC share;
-
-   /* Wait for the previous thread */
-   if(Texture && wt->Index > 0) {
-      WaitForSingleObject(WinThreads[wt->Index - 1].hEventInitialised, INFINITE);
-      share = WinThreads[0].Context;
-   }
-   else
-      share = 0;
-
-   share = (Texture && wt->Index > 0) ? WinThreads[0].Context : 0;
-   create_window(wt, share);
-   SetEvent(wt->hEventInitialised);
-
-   /* Wait for all threads to initialize otherwise wglShareLists will fail */
-   if(wt->Index < NumWinThreads - 1)
-      WaitForSingleObject(WinThreads[NumWinThreads - 1].hEventInitialised, INFINITE);
-
-   draw_loop(wt);
-   return 0;
-}
-
-
-static void
-usage(void)
-{
-   printf("wglthreads: test of GL thread safety (any key = exit)\n");
-   printf("Usage:\n");
-   printf("  wglthreads [options]\n");
-   printf("Options:\n");
-   printf("   -h  Show this usage screen\n");
-   printf("   -n NUMTHREADS  Number of threads to create\n");
-   printf("   -l  Use application-side locking\n");
-   printf("   -t  Enable texturing\n");
-   printf("   -s  Force single-threaded\n");
-   printf("Keyboard:\n");
-   printf("   Esc  Exit\n");
-   printf("   t    Change texture image (requires -t option)\n");
-   printf("   a    Toggle animation\n");
-   printf("   s    Step rotation (when not animating)\n");
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   int i;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-h") == 0) {
-         usage();
-         exit(0);
-      }
-      else if (strcmp(argv[i], "-l") == 0) {
-         Locking = 1;
-      }
-      else if (strcmp(argv[i], "-t") == 0) {
-         Texture = 1;
-      }
-      else if (strcmp(argv[i], "-n") == 0 && i + 1 < argc) {
-         NumWinThreads = atoi(argv[i + 1]);
-         if (NumWinThreads < 1)
-            NumWinThreads = 1;
-         else if (NumWinThreads > MAX_WINTHREADS)
-            NumWinThreads = MAX_WINTHREADS;
-         i++;
-      }
-      else if (strcmp(argv[i], "-s") == 0) {
-         SingleThreaded = GL_TRUE;
-      }
-      else {
-         usage();
-         exit(1);
-      }
-   }
-
-   if (SingleThreaded)
-      printf("wglthreads: Forcing single-threaded, no other threads will be created.\n");
-   
-   if (Locking)
-      printf("wglthreads: Using explicit locks around WGL calls.\n");
-   else
-      printf("wglthreads: No explict locking.\n");
-
-   InitializeCriticalSection(&Mutex);
-   ExitEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
-
-   if (SingleThreaded) {
-      NumWinThreads = 1;
-
-      WinThreads[0].Index = 0;
-      WinThreads[0].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
-      WinThreads[0].hEventRedraw = CreateEvent(NULL, FALSE, FALSE, NULL);
-
-      ThreadProc((void*) &WinThreads[0]);
-   }
-   else {
-      HANDLE threads[MAX_WINTHREADS];
-
-      printf("wglthreads: creating threads\n");
-
-      /* Create the events */
-      for (i = 0; i < NumWinThreads; i++) {
-         WinThreads[i].Index = i;
-         WinThreads[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
-         WinThreads[i].hEventRedraw = CreateEvent(NULL, FALSE, FALSE, NULL);
-      }
-
-      /* Create the threads */
-      for (i = 0; i < NumWinThreads; i++) {
-         DWORD id;
-
-         WinThreads[i].Thread = CreateThread(NULL,
-                                             0,
-                                             ThreadProc,
-                                             (void*) &WinThreads[i],
-                                             0,
-                                             &id);
-         printf("wglthreads: Created thread %p\n", (void *) WinThreads[i].Thread);
-
-         threads[i] = WinThreads[i].Thread;
-      }
-
-      /* Wait for all threads to finish. */
-      WaitForMultipleObjects(NumWinThreads, threads, TRUE, INFINITE);
-   }
-
-   return 0;
-}