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- /* Optimus driver test */
- //http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
- typedef unsigned long DWORD;
- extern "C" {
- _declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
- }
- #include "stdafx.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <math.h>
- #include <glut.h>
- static int useRGB = 1;
- static int useLighting = 1;
- static int useFog = 0;
- static int useDB = 1;
- static int useLogo = 0;
- static int useQuads = 1;
- static int tick = -1;
- static int moving = 1;
- #define GREY 0
- #define RED 1
- #define GREEN 2
- #define BLUE 3
- #define CYAN 4
- #define MAGENTA 5
- #define YELLOW 6
- #define BLACK 7
- static float materialColor[8][4] =
- {
- { 0.8, 0.8, 0.8, 1.0 },
- { 0.8, 0.0, 0.0, 1.0 },
- { 0.0, 0.8, 0.0, 1.0 },
- { 0.0, 0.0, 0.8, 1.0 },
- { 0.0, 0.8, 0.8, 1.0 },
- { 0.8, 0.0, 0.8, 1.0 },
- { 0.8, 0.8, 0.0, 1.0 },
- { 0.0, 0.0, 0.0, 0.6 },
- };
- static float lightPos[4] =
- { 2.0, 4.0, 2.0, 1.0 };
- #if 0
- static float lightDir[4] =
- { -2.0, -4.0, -2.0, 1.0 };
- #endif
- static float lightAmb[4] =
- { 0.2, 0.2, 0.2, 1.0 };
- static float lightDiff[4] =
- { 0.8, 0.8, 0.8, 1.0 };
- static float lightSpec[4] =
- { 0.4, 0.4, 0.4, 1.0 };
- static float groundPlane[4] =
- { 0.0, 1.0, 0.0, 1.499 };
- static float backPlane[4] =
- { 0.0, 0.0, 1.0, 0.899 };
- static float fogColor[4] =
- { 0.0, 0.0, 0.0, 0.0 };
- static float fogIndex[1] =
- { 0.0 };
- static unsigned char shadowPattern[128] =
- {
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55, /* 50% Grey */
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55,
- 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55
- };
- static unsigned char sgiPattern[128] =
- {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* SGI Logo */
- 0xff, 0xbd, 0xff, 0x83, 0xff, 0x5a, 0xff, 0xef,
- 0xfe, 0xdb, 0x7f, 0xef, 0xfd, 0xdb, 0xbf, 0xef,
- 0xfb, 0xdb, 0xdf, 0xef, 0xf7, 0xdb, 0xef, 0xef,
- 0xfb, 0xdb, 0xdf, 0xef, 0xfd, 0xdb, 0xbf, 0x83,
- 0xce, 0xdb, 0x73, 0xff, 0xb7, 0x5a, 0xed, 0xff,
- 0xbb, 0xdb, 0xdd, 0xc7, 0xbd, 0xdb, 0xbd, 0xbb,
- 0xbe, 0xbd, 0x7d, 0xbb, 0xbf, 0x7e, 0xfd, 0xb3,
- 0xbe, 0xe7, 0x7d, 0xbf, 0xbd, 0xdb, 0xbd, 0xbf,
- 0xbb, 0xbd, 0xdd, 0xbb, 0xb7, 0x7e, 0xed, 0xc7,
- 0xce, 0xdb, 0x73, 0xff, 0xfd, 0xdb, 0xbf, 0xff,
- 0xfb, 0xdb, 0xdf, 0x87, 0xf7, 0xdb, 0xef, 0xfb,
- 0xf7, 0xdb, 0xef, 0xfb, 0xfb, 0xdb, 0xdf, 0xfb,
- 0xfd, 0xdb, 0xbf, 0xc7, 0xfe, 0xdb, 0x7f, 0xbf,
- 0xff, 0x5a, 0xff, 0xbf, 0xff, 0xbd, 0xff, 0xc3,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
- };
- static float cube_vertexes[6][4][4] =
- {
- {
- { -1.0, -1.0, -1.0, 1.0 },
- { -1.0, -1.0, 1.0, 1.0 },
- { -1.0, 1.0, 1.0, 1.0 },
- { -1.0, 1.0, -1.0, 1.0 } },
- {
- { 1.0, 1.0, 1.0, 1.0 },
- { 1.0, -1.0, 1.0, 1.0 },
- { 1.0, -1.0, -1.0, 1.0 },
- { 1.0, 1.0, -1.0, 1.0 } },
- {
- { -1.0, -1.0, -1.0, 1.0 },
- { 1.0, -1.0, -1.0, 1.0 },
- { 1.0, -1.0, 1.0, 1.0 },
- { -1.0, -1.0, 1.0, 1.0 } },
- {
- { 1.0, 1.0, 1.0, 1.0 },
- { 1.0, 1.0, -1.0, 1.0 },
- { -1.0, 1.0, -1.0, 1.0 },
- { -1.0, 1.0, 1.0, 1.0 } },
- {
- { -1.0, -1.0, -1.0, 1.0 },
- { -1.0, 1.0, -1.0, 1.0 },
- { 1.0, 1.0, -1.0, 1.0 },
- { 1.0, -1.0, -1.0, 1.0 } },
- {
- { 1.0, 1.0, 1.0, 1.0 },
- { -1.0, 1.0, 1.0, 1.0 },
- { -1.0, -1.0, 1.0, 1.0 },
- { 1.0, -1.0, 1.0, 1.0 } }
- };
- static float cube_normals[6][4] =
- {
- { -1.0, 0.0, 0.0, 0.0 },
- { 1.0, 0.0, 0.0, 0.0 },
- { 0.0, -1.0, 0.0, 0.0 },
- { 0.0, 1.0, 0.0, 0.0 },
- { 0.0, 0.0, -1.0, 0.0 },
- { 0.0, 0.0, 1.0, 0.0 }
- };
- int frame = 0, time, timebase = 0;
- static void
- usage(void)
- {
- printf("\n");
- printf("usage: scube [options]\n");
- printf("\n");
- printf(" display a spinning cube and its shadow\n");
- printf("\n");
- printf(" Options:\n");
- printf(" -geometry window size and location\n");
- printf(" -c toggle color index mode\n");
- printf(" -l toggle lighting\n");
- printf(" -f toggle fog\n");
- printf(" -db toggle double buffering\n");
- printf(" -logo toggle sgi logo for the shadow pattern\n");
- printf(" -quads toggle use of GL_QUADS to draw the checkerboard\n");
- printf("\n");
- #ifndef EXIT_FAILURE /* should be defined by ANSI C
- <stdlib.h> */
- #define EXIT_FAILURE 1
- #endif
- exit(EXIT_FAILURE);
- }
- void
- buildColormap(void)
- {
- if (useRGB) {
- return;
- }
- else {
- int mapSize = 1 << glutGet(GLUT_WINDOW_BUFFER_SIZE);
- int rampSize = mapSize / 8;
- int entry;
- int i;
- for (entry = 0; entry < mapSize; ++entry) {
- int hue = entry / rampSize;
- GLfloat val = (entry % rampSize) * (1.0 / (rampSize - 1));
- GLfloat red, green, blue;
- red = (hue == 0 || hue == 1 || hue == 5 || hue == 6) ? val : 0;
- green = (hue == 0 || hue == 2 || hue == 4 || hue == 6) ? val : 0;
- blue = (hue == 0 || hue == 3 || hue == 4 || hue == 5) ? val : 0;
- glutSetColor(entry, red, green, blue);
- }
- for (i = 0; i < 8; ++i) {
- materialColor[i][0] = i * rampSize + 0.2 * (rampSize - 1);
- materialColor[i][1] = i * rampSize + 0.8 * (rampSize - 1);
- materialColor[i][2] = i * rampSize + 1.0 * (rampSize - 1);
- materialColor[i][3] = 0.0;
- }
- fogIndex[0] = -0.2 * (rampSize - 1);
- }
- }
- static void
- setColor(int c)
- {
- if (useLighting) {
- if (useRGB) {
- glMaterialfv(GL_FRONT_AND_BACK,
- GL_AMBIENT_AND_DIFFUSE, &materialColor[c][0]);
- }
- else {
- glMaterialfv(GL_FRONT_AND_BACK,
- GL_COLOR_INDEXES, &materialColor[c][0]);
- }
- }
- else {
- if (useRGB) {
- glColor4fv(&materialColor[c][0]);
- }
- else {
- glIndexf(materialColor[c][1]);
- }
- }
- }
- static void
- drawCube(int color)
- {
- int i;
- setColor(color);
- for (i = 0; i < 6; ++i) {
- glNormal3fv(&cube_normals[i][0]);
- glBegin(GL_POLYGON);
- glVertex4fv(&cube_vertexes[i][0][0]);
- glVertex4fv(&cube_vertexes[i][1][0]);
- glVertex4fv(&cube_vertexes[i][2][0]);
- glVertex4fv(&cube_vertexes[i][3][0]);
- glEnd();
- }
- }
- static void
- drawCheck(int w, int h, int evenColor, int oddColor)
- {
- static int initialized = 0;
- static int usedLighting = 0;
- static GLuint checklist = 0;
- if (!initialized || (usedLighting != useLighting)) {
- static float square_normal[4] =
- { 0.0, 0.0, 1.0, 0.0 };
- static float square[4][4];
- int i, j;
- if (!checklist) {
- checklist = glGenLists(1);
- }
- glNewList(checklist, GL_COMPILE_AND_EXECUTE);
- if (useQuads) {
- glNormal3fv(square_normal);
- glBegin(GL_QUADS);
- }
- for (j = 0; j < h; ++j) {
- for (i = 0; i < w; ++i) {
- square[0][0] = -1.0 + 2.0 / w * i;
- square[0][1] = -1.0 + 2.0 / h * (j + 1);
- square[0][2] = 0.0;
- square[0][3] = 1.0;
- square[1][0] = -1.0 + 2.0 / w * i;
- square[1][1] = -1.0 + 2.0 / h * j;
- square[1][2] = 0.0;
- square[1][3] = 1.0;
- square[2][0] = -1.0 + 2.0 / w * (i + 1);
- square[2][1] = -1.0 + 2.0 / h * j;
- square[2][2] = 0.0;
- square[2][3] = 1.0;
- square[3][0] = -1.0 + 2.0 / w * (i + 1);
- square[3][1] = -1.0 + 2.0 / h * (j + 1);
- square[3][2] = 0.0;
- square[3][3] = 1.0;
- if (i & 1 ^ j & 1) {
- setColor(oddColor);
- }
- else {
- setColor(evenColor);
- }
- if (!useQuads) {
- glBegin(GL_POLYGON);
- }
- glVertex4fv(&square[0][0]);
- glVertex4fv(&square[1][0]);
- glVertex4fv(&square[2][0]);
- glVertex4fv(&square[3][0]);
- if (!useQuads) {
- glEnd();
- }
- }
- }
- if (useQuads) {
- glEnd();
- }
- glEndList();
- initialized = 1;
- usedLighting = useLighting;
- }
- else {
- glCallList(checklist);
- }
- }
- static void
- myShadowMatrix(float ground[4], float light[4])
- {
- float dot;
- float shadowMat[4][4];
- dot = ground[0] * light[0] +
- ground[1] * light[1] +
- ground[2] * light[2] +
- ground[3] * light[3];
- shadowMat[0][0] = dot - light[0] * ground[0];
- shadowMat[1][0] = 0.0 - light[0] * ground[1];
- shadowMat[2][0] = 0.0 - light[0] * ground[2];
- shadowMat[3][0] = 0.0 - light[0] * ground[3];
- shadowMat[0][1] = 0.0 - light[1] * ground[0];
- shadowMat[1][1] = dot - light[1] * ground[1];
- shadowMat[2][1] = 0.0 - light[1] * ground[2];
- shadowMat[3][1] = 0.0 - light[1] * ground[3];
- shadowMat[0][2] = 0.0 - light[2] * ground[0];
- shadowMat[1][2] = 0.0 - light[2] * ground[1];
- shadowMat[2][2] = dot - light[2] * ground[2];
- shadowMat[3][2] = 0.0 - light[2] * ground[3];
- shadowMat[0][3] = 0.0 - light[3] * ground[0];
- shadowMat[1][3] = 0.0 - light[3] * ground[1];
- shadowMat[2][3] = 0.0 - light[3] * ground[2];
- shadowMat[3][3] = dot - light[3] * ground[3];
- glMultMatrixf((const GLfloat *)shadowMat);
- }
- static char *windowNameRGBDB = "shadow cube (OpenGL RGB DB)";
- static char *windowNameRGB = "shadow cube (OpenGL RGB)";
- static char *windowNameIndexDB = "shadow cube (OpenGL Index DB)";
- static char *windowNameIndex = "shadow cube (OpenGL Index)";
- void
- idle(void)
- {
- tick++;
- if (tick >= 120) {
- tick = 0;
- }
- glutPostRedisplay();
- }
- /* ARGSUSED1 */
- void
- keyboard(unsigned char ch, int x, int y)
- {
- switch (ch) {
- case 27: /* escape */
- exit(0);
- break;
- case 'L':
- case 'l':
- useLighting = !useLighting;
- useLighting ? glEnable(GL_LIGHTING) :
- glDisable(GL_LIGHTING);
- glutPostRedisplay();
- break;
- case 'F':
- case 'f':
- useFog = !useFog;
- useFog ? glEnable(GL_FOG) : glDisable(GL_FOG);
- glutPostRedisplay();
- break;
- case '1':
- glFogf(GL_FOG_MODE, GL_LINEAR);
- glutPostRedisplay();
- break;
- case '2':
- glFogf(GL_FOG_MODE, GL_EXP);
- glutPostRedisplay();
- break;
- case '3':
- glFogf(GL_FOG_MODE, GL_EXP2);
- glutPostRedisplay();
- break;
- case ' ':
- if (!moving) {
- idle();
- glutPostRedisplay();
- }
- }
- }
- void
- display(void)
- {
- GLfloat cubeXform[4][4];
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glPushMatrix();
- glTranslatef(0.0, -1.5, 0.0);
- glRotatef(-90.0, 1, 0, 0);
- glScalef(2.0, 2.0, 2.0);
- drawCheck(6, 6, BLUE, YELLOW); /* draw ground */
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.0, -0.9);
- glScalef(2.0, 2.0, 2.0);
- drawCheck(6, 6, BLUE, YELLOW); /* draw back */
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.2, 0.0);
- glScalef(0.3, 0.3, 0.3);
- glRotatef((360.0 / (30 * 1)) * tick, 1, 0, 0);
- glRotatef((360.0 / (30 * 2)) * tick, 0, 1, 0);
- glRotatef((360.0 / (30 * 4)) * tick, 0, 0, 1);
- glScalef(1.0, 2.0, 1.0);
- glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *)cubeXform);
- drawCube(RED); /* draw cube */
- glPopMatrix();
- glDepthMask(GL_FALSE);
- if (useRGB) {
- glEnable(GL_BLEND);
- }
- else {
- glEnable(GL_POLYGON_STIPPLE);
- }
- if (useFog) {
- glDisable(GL_FOG);
- }
- glPushMatrix();
- myShadowMatrix(groundPlane, lightPos);
- glTranslatef(0.0, 0.0, 2.0);
- glMultMatrixf((const GLfloat *)cubeXform);
- drawCube(BLACK); /* draw ground shadow */
- glPopMatrix();
- glPushMatrix();
- myShadowMatrix(backPlane, lightPos);
- glTranslatef(0.0, 0.0, 2.0);
- glMultMatrixf((const GLfloat *)cubeXform);
- drawCube(BLACK); /* draw back shadow */
- glPopMatrix();
- glDepthMask(GL_TRUE);
- if (useRGB) {
- glDisable(GL_BLEND);
- }
- else {
- glDisable(GL_POLYGON_STIPPLE);
- }
- if (useFog) {
- glEnable(GL_FOG);
- }
- if (useDB) {
- glutSwapBuffers();
- }
- else {
- glFlush();
- }
- frame++;
- time = glutGet(GLUT_ELAPSED_TIME);
- if (time - timebase > 1000) {
- float fps = frame*1000.0 / (time - timebase);
- printf("fps: %5.3f\n", fps);
- timebase = time;
- frame = 0;
- }
- //glPushMatrix();
- //glLoadIdentity();
- //setOrthographicProjection();
- //renderBitmapString(30, 35, (void *)font, s);
- //glPopMatrix();
- //restorePerspectiveProjection();
- }
- void
- fog_select(int fog)
- {
- glFogf(GL_FOG_MODE, fog);
- glutPostRedisplay();
- }
- void
- menu_select(int mode)
- {
- switch (mode) {
- case 1:
- moving = 1;
- glutIdleFunc(idle);
- break;
- case 2:
- moving = 0;
- glutIdleFunc(NULL);
- break;
- case 3:
- useFog = !useFog;
- useFog ? glEnable(GL_FOG) : glDisable(GL_FOG);
- glutPostRedisplay();
- break;
- case 4:
- useLighting = !useLighting;
- useLighting ? glEnable(GL_LIGHTING) :
- glDisable(GL_LIGHTING);
- glutPostRedisplay();
- break;
- case 5:
- exit(0);
- break;
- }
- }
- void
- visible(int state)
- {
- if (state == GLUT_VISIBLE) {
- if (moving)
- glutIdleFunc(idle);
- }
- else {
- if (moving)
- glutIdleFunc(NULL);
- }
- }
- int
- main(int argc, char **argv)
- {
- int width = 350, height = 350;
- int i;
- char *name;
- int fog_menu;
- glutInitWindowSize(width, height);
- glutInit(&argc, argv);
- /* process commmand line args */
- for (i = 1; i < argc; ++i) {
- if (!strcmp("-c", argv[i])) {
- useRGB = !useRGB;
- }
- else if (!strcmp("-l", argv[i])) {
- useLighting = !useLighting;
- }
- else if (!strcmp("-f", argv[i])) {
- useFog = !useFog;
- }
- else if (!strcmp("-db", argv[i])) {
- useDB = !useDB;
- }
- else if (!strcmp("-logo", argv[i])) {
- useLogo = !useLogo;
- }
- else if (!strcmp("-quads", argv[i])) {
- useQuads = !useQuads;
- }
- else {
- usage();
- }
- }
- /* choose visual */
- if (useRGB) {
- if (useDB) {
- glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
- name = windowNameRGBDB;
- }
- else {
- glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
- name = windowNameRGB;
- }
- }
- else {
- if (useDB) {
- glutInitDisplayMode(GLUT_DOUBLE | GLUT_INDEX | GLUT_DEPTH);
- name = windowNameIndexDB;
- }
- else {
- glutInitDisplayMode(GLUT_SINGLE | GLUT_INDEX | GLUT_DEPTH);
- name = windowNameIndex;
- }
- }
- glutCreateWindow(name);
- buildColormap();
- glutKeyboardFunc(keyboard);
- glutDisplayFunc(display);
- glutVisibilityFunc(visible);
- fog_menu = glutCreateMenu(fog_select);
- glutAddMenuEntry("Linear fog", GL_LINEAR);
- glutAddMenuEntry("Exp fog", GL_EXP);
- glutAddMenuEntry("Exp^2 fog", GL_EXP2);
- glutCreateMenu(menu_select);
- glutAddMenuEntry("Start motion", 1);
- glutAddMenuEntry("Stop motion", 2);
- glutAddMenuEntry("Toggle fog", 3);
- glutAddMenuEntry("Toggle lighting", 4);
- glutAddSubMenu("Fog type", fog_menu);
- glutAddMenuEntry("Quit", 5);
- glutAttachMenu(GLUT_RIGHT_BUTTON);
- /* setup context */
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 3.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0.0, 0.0, -2.0);
- glEnable(GL_DEPTH_TEST);
- if (useLighting) {
- glEnable(GL_LIGHTING);
- }
- glEnable(GL_LIGHT0);
- glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
- glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmb);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiff);
- glLightfv(GL_LIGHT0, GL_SPECULAR, lightSpec);
- #if 0
- glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, lightDir);
- glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 80);
- glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 25);
- #endif
- glEnable(GL_NORMALIZE);
- if (useFog) {
- glEnable(GL_FOG);
- }
- glFogfv(GL_FOG_COLOR, fogColor);
- glFogfv(GL_FOG_INDEX, fogIndex);
- glFogf(GL_FOG_MODE, GL_EXP);
- glFogf(GL_FOG_DENSITY, 0.5);
- glFogf(GL_FOG_START, 1.0);
- glFogf(GL_FOG_END, 3.0);
- glEnable(GL_CULL_FACE);
- glCullFace(GL_BACK);
- glShadeModel(GL_SMOOTH);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- if (useLogo) {
- glPolygonStipple((const GLubyte *)sgiPattern);
- }
- else {
- glPolygonStipple((const GLubyte *)shadowPattern);
- }
- glClearColor(0.0, 0.0, 0.0, 1);
- glClearIndex(0);
- glClearDepth(1);
- glutMainLoop();
- return 0; /* ANSI C requires main to return int. */
- }
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