WindML driver (Stephane Raimbault)
diff --git a/progs/windml/uglflip.c b/progs/windml/uglflip.c
new file mode 100644
index 0000000..ffc6ece
--- /dev/null
+++ b/progs/windml/uglflip.c
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+
+/* uglflip.c - WindML/Mesa example program */
+
+/* Copyright (C) 2001 by Wind River Systems, Inc */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * The MIT License
+ * 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
+ * THE AUTHORS OR COPYRIGHT 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.
+ */
+
+/*
+ * Authors:
+ * Stephane Raimbault <stephane.raimbault@windriver.com>
+ */
+
+/*
+DESCRIPTION
+Draw a triangle and flip the screen
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglucode.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+#define BLACK (0)
+#define RED (1)
+#define GREEN (2)
+#define BLUE (3)
+#define CI_OFFSET 4
+
+UGL_LOCAL GLuint rgb;
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+
+UGL_LOCAL void initGL (void)
+ {
+ uglMesaSetColor(BLACK, 0.0, 0.0, 0.0);
+ uglMesaSetColor(RED, 1.0, 0.3, 0.3);
+ uglMesaSetColor(GREEN, 0.3, 1.0, 0.3);
+ uglMesaSetColor(BLUE, 0.3, 0.3, 1.0);
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearIndex(BLACK);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glMatrixMode(GL_MODELVIEW);
+ }
+
+UGL_LOCAL void drawGL (void)
+ {
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBegin(GL_TRIANGLES);
+ (rgb) ? glColor3f(1.0, 0.3, 0.3) : glIndexi(RED);
+ glVertex2f(0.75, -0.50);
+ (rgb) ? glColor3f(0.3, 1.0, 0.3) : glIndexi(GREEN);
+ glVertex2f(0.0, 0.75);
+ (rgb) ? glColor3f(0.3, 0.3, 1.0) : glIndexi(BLUE);
+ glVertex2f(-0.75, -0.50);
+ glEnd();
+
+ glBegin(GL_LINES);
+ (rgb) ? glColor3f(1.0, 0.3, 0.3) : glIndexi(RED);
+ glVertex2f(-1.0, 1.0);
+ (rgb) ? glColor3f(0.3, 0.3, 1.0) : glIndexi(BLUE);
+ glVertex2f(1.0, -1.0);
+ glEnd();
+
+ glFlush();
+
+ uglMesaSwapBuffers();
+ }
+
+UGL_LOCAL void echoUse(void)
+ {
+ printf("tFlip keys:\n");
+ printf(" d Toggle dithering\n");
+ printf(" up Reduce the window\n");
+ printf(" down Enlarge the window\n");
+ printf(" page up Y==0 is the bottom line and increases upward\n");
+ printf(" page down Y==0 is the bottom line and increases downward\n");
+ printf(" ESC Exit\n");
+ }
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+ {
+
+ switch(key)
+ {
+ case UGL_UNI_UP_ARROW:
+ uglMesaResizeWindow(8, 8);
+ break;
+ case UGL_UNI_DOWN_ARROW:
+ glDrawBuffer(GL_FRONT_LEFT);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glDrawBuffer(GL_BACK_LEFT);
+ uglMesaResizeWindow(-8, -8);
+ break;
+ case UGL_UNI_PAGE_UP:
+ uglMesaPixelStore(UGL_MESA_Y_UP, GL_TRUE);
+ break;
+ case UGL_UNI_PAGE_DOWN:
+ uglMesaPixelStore(UGL_MESA_Y_UP, GL_FALSE);
+ break;
+ case UGL_UNI_ESCAPE:
+ stopWex = UGL_TRUE;
+ break;
+ case 'd':
+ if (glIsEnabled(GL_DITHER))
+ glDisable(GL_DITHER);
+ else
+ glEnable(GL_DITHER);
+ break;
+ }
+ }
+
+UGL_LOCAL void loopEvent(void)
+ {
+ UGL_EVENT event;
+ UGL_INPUT_EVENT * pInputEvent;
+
+ drawGL();
+
+ UGL_FOREVER
+ {
+ if (uglEventGet (qId, &event, sizeof (event), UGL_WAIT_FOREVER)
+ != UGL_STATUS_Q_EMPTY)
+ {
+ pInputEvent = (UGL_INPUT_EVENT *)&event;
+
+ if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+ pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+ {
+ readKey(pInputEvent->type.keyboard.key);
+ drawGL();
+ }
+ }
+
+ if (stopWex)
+ break;
+ }
+ }
+
+void windMLFlip (void);
+
+void uglflip (void)
+ {
+ taskSpawn("tFlip", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLFlip,
+ 0,1,2,3,4,5,6,7,8,9);
+ }
+
+void windMLFlip(void)
+ {
+
+ UGL_INPUT_DEVICE_ID keyboardDevId;
+
+ uglInitialize();
+
+ uglDriverFind (UGL_KEYBOARD_TYPE, 0, (UGL_UINT32 *)&keyboardDevId);
+
+ uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+ qId = uglEventQCreate (eventServiceId, 100);
+
+ umc = uglMesaCreateNewContext(UGL_MESA_DOUBLE_SW, NULL);
+
+ if (umc == NULL)
+ {
+ uglDeinitialize();
+ return;
+ }
+ uglMesaMakeCurrentContext(umc, 0, 0, UGL_MESA_FULLSCREEN_WIDTH,
+ UGL_MESA_FULLSCREEN_HEIGHT);
+
+ uglMesaGetIntegerv(UGL_MESA_RGB, &rgb);
+
+ initGL();
+
+ echoUse();
+ stopWex = UGL_FALSE;
+ loopEvent();
+
+ uglEventQDestroy (eventServiceId, qId);
+
+ uglMesaDestroyContext();
+ uglDeinitialize();
+
+ return;
+ }