+++ /dev/null
-#define GL_GLEXT_PROTOTYPES
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <GL/glut.h>
-
-
-#define PIXEL_CENTER(x) ((long)(x) + 0.5)
-
-#define GAP 10
-#define ROWS 3
-#define COLS 4
-
-#define OPENGL_WIDTH 48
-#define OPENGL_HEIGHT 13
-
-
-GLenum provoking = GL_LAST_VERTEX_CONVENTION_EXT;
-GLenum rgb, doubleBuffer, windType;
-GLint windW, windH;
-
-GLenum mode1, mode2;
-GLint boxW, boxH;
-GLubyte OpenGL_bits[] = {
- 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
- 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
- 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01,
- 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
- 0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01,
- 0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00,
- 0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00,
- 0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00,
- 0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00,
- 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a,
- 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e,
- 0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e,
- 0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00,
-};
-
-
-#include "tkmap.c"
-
-static void Init(void)
-{
-
- mode1 = GL_TRUE;
- mode2 = GL_TRUE;
-}
-
-static void Reshape(int width, int height)
-{
-
- windW = (GLint)width;
- windH = (GLint)height;
-}
-
-static void RotateColorMask(void)
-{
- static GLint rotation = 0;
-
- rotation = (rotation + 1) & 0x3;
- switch (rotation) {
- case 0:
- glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
- glIndexMask( 0xff );
- break;
- case 1:
- glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE);
- glIndexMask(0xFE);
- break;
- case 2:
- glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE);
- glIndexMask(0xFD);
- break;
- case 3:
- glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE);
- glIndexMask(0xFB);
- break;
- }
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- case '1':
- mode1 = !mode1;
- break;
- case '2':
- mode2 = !mode2;
- break;
- case '3':
- RotateColorMask();
- break;
- case 'p':
- if (provoking == GL_FIRST_VERTEX_CONVENTION_EXT) {
- printf("provoke last\n");
- provoking = GL_LAST_VERTEX_CONVENTION_EXT;
- }
- else {
- printf("provoke first\n");
- provoking = GL_FIRST_VERTEX_CONVENTION_EXT;
- }
- glProvokingVertexEXT(provoking);
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Viewport(GLint row, GLint column)
-{
- GLint x, y;
-
- boxW = (windW - (COLS + 1) * GAP) / COLS;
- boxH = (windH - (ROWS + 1) * GAP) / ROWS;
-
- x = GAP + column * (boxW + GAP);
- y = GAP + row * (boxH + GAP);
-
- glViewport(x, y, boxW, boxH);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
-
- glEnable(GL_SCISSOR_TEST);
- glScissor(x, y, boxW, boxH);
-}
-
-static void Point(void)
-{
- GLint i;
-
- glBegin(GL_POINTS);
- SetColor(COLOR_WHITE);
- glVertex2i(0, 0);
- for (i = 1; i < 8; i++) {
- GLint j = i * 2;
- SetColor(COLOR_BLACK+i);
- glVertex2i(-j, -j);
- glVertex2i(-j, 0);
- glVertex2i(-j, j);
- glVertex2i(0, j);
- glVertex2i(j, j);
- glVertex2i(j, 0);
- glVertex2i(j, -j);
- glVertex2i(0, -j);
- }
- glEnd();
-}
-
-static void Lines(void)
-{
- GLint i;
-
- glPushMatrix();
-
- glTranslatef(-12, 0, 0);
- for (i = 1; i < 8; i++) {
- glBegin(GL_LINES);
- SetColor(COLOR_BLACK+i);
- glVertex2i(-boxW/4, -boxH/4);
- SetColor(COLOR_BLACK+i+1);
- glVertex2i(boxW/4, boxH/4);
- glEnd();
- glTranslatef(4, 0, 0);
- }
-
- glPopMatrix();
-
- glBegin(GL_LINES);
- glVertex2i(0, 0);
- glEnd();
-}
-
-static void LineStrip(void)
-{
-
- glBegin(GL_LINE_STRIP);
- SetColor(COLOR_RED);
- glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
- SetColor(COLOR_GREEN);
- glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
- SetColor(COLOR_BLUE);
- glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
- SetColor(COLOR_WHITE);
- glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
- glEnd();
-
- glBegin(GL_LINE_STRIP);
- glVertex2i(0, 0);
- glEnd();
-}
-
-static void LineLoop(void)
-{
-
- glBegin(GL_LINE_LOOP);
- SetColor(COLOR_RED);
- glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4));
- SetColor(COLOR_GREEN);
- glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4));
- SetColor(COLOR_BLUE);
- glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4));
- SetColor(COLOR_WHITE);
- glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4));
- glEnd();
-
- glEnable(GL_LOGIC_OP);
- glLogicOp(GL_XOR);
-
- glEnable(GL_BLEND);
- glBlendFunc(GL_ONE, GL_ONE);
-
- SetColor(COLOR_MAGENTA);
- glBegin(GL_LINE_LOOP);
- glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8));
- glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8));
- glEnd();
- glBegin(GL_LINE_LOOP);
- glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5));
- glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5));
- glEnd();
- glDisable(GL_LOGIC_OP);
- glDisable(GL_BLEND);
-
- SetColor(COLOR_GREEN);
- glBegin(GL_POINTS);
- glVertex2i(0, 0);
- glEnd();
-
- glBegin(GL_LINE_LOOP);
- glVertex2i(0, 0);
- glEnd();
-}
-
-static void Bitmap(void)
-{
-
- glBegin(GL_LINES);
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/2, 0);
- glVertex2i(boxW/2, 0);
- glVertex2i(0, -boxH/2);
- glVertex2i(0, boxH/2);
- SetColor(COLOR_RED);
- glVertex2i(0, -3);
- glVertex2i(0, -3+OPENGL_HEIGHT);
- SetColor(COLOR_BLUE);
- glVertex2i(0, -3);
- glVertex2i(OPENGL_WIDTH, -3);
- glEnd();
-
- SetColor(COLOR_GREEN);
-
- glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
- glRasterPos2i(0, 0);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits);
-}
-
-static void Triangles(void)
-{
-
- glBegin(GL_TRIANGLES);
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, -boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/8, -boxH/16);
- SetColor(COLOR_BLUE);
- glVertex2i(boxW/8, -boxH/16);
-
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/8, boxH/16);
- SetColor(COLOR_BLUE);
- glVertex2i(boxW/8, boxH/16);
- glEnd();
-
- glBegin(GL_TRIANGLES);
- glVertex2i(0, 0);
- glVertex2i(-100, 100);
- glEnd();
-}
-
-static void TriangleStrip(void)
-{
-
- glBegin(GL_TRIANGLE_STRIP);
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, -boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/4, boxH/4);
- SetColor(COLOR_BLUE);
- glVertex2i(0, -boxH/4);
- SetColor(COLOR_WHITE);
- glVertex2i(0, boxH/4);
- SetColor(COLOR_CYAN);
- glVertex2i(boxW/4, -boxH/4);
- SetColor(COLOR_YELLOW);
- glVertex2i(boxW/4, boxH/4);
- glEnd();
-
- glBegin(GL_TRIANGLE_STRIP);
- glVertex2i(0, 0);
- glVertex2i(-100, 100);
- glEnd();
-}
-
-static void TriangleFan(void)
-{
- GLint vx[8][2];
- GLint x0, y0, x1, y1, x2, y2, x3, y3;
- GLint i;
-
- y0 = -boxH/4;
- y1 = y0 + boxH/2/3;
- y2 = y1 + boxH/2/3;
- y3 = boxH/4;
- x0 = -boxW/4;
- x1 = x0 + boxW/2/3;
- x2 = x1 + boxW/2/3;
- x3 = boxW/4;
-
- vx[0][0] = x0; vx[0][1] = y1;
- vx[1][0] = x0; vx[1][1] = y2;
- vx[2][0] = x1; vx[2][1] = y3;
- vx[3][0] = x2; vx[3][1] = y3;
- vx[4][0] = x3; vx[4][1] = y2;
- vx[5][0] = x3; vx[5][1] = y1;
- vx[6][0] = x2; vx[6][1] = y0;
- vx[7][0] = x1; vx[7][1] = y0;
-
- glBegin(GL_TRIANGLE_FAN);
- SetColor(COLOR_WHITE);
- glVertex2i(0, 0);
- for (i = 0; i < 8; i++) {
- SetColor(COLOR_WHITE-i);
- glVertex2iv(vx[i]);
- }
- glEnd();
-
- glBegin(GL_TRIANGLE_FAN);
- glVertex2i(0, 0);
- glVertex2i(-100, 100);
- glEnd();
-}
-
-static void Rect(void)
-{
-
- SetColor(COLOR_GREEN);
- glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4);
-}
-
-static void PolygonFunc(void)
-{
- GLint vx[8][2];
- GLint x0, y0, x1, y1, x2, y2, x3, y3;
- GLint i;
-
- y0 = -boxH/4;
- y1 = y0 + boxH/2/3;
- y2 = y1 + boxH/2/3;
- y3 = boxH/4;
- x0 = -boxW/4;
- x1 = x0 + boxW/2/3;
- x2 = x1 + boxW/2/3;
- x3 = boxW/4;
-
- vx[0][0] = x0; vx[0][1] = y1;
- vx[1][0] = x0; vx[1][1] = y2;
- vx[2][0] = x1; vx[2][1] = y3;
- vx[3][0] = x2; vx[3][1] = y3;
- vx[4][0] = x3; vx[4][1] = y2;
- vx[5][0] = x3; vx[5][1] = y1;
- vx[6][0] = x2; vx[6][1] = y0;
- vx[7][0] = x1; vx[7][1] = y0;
-
- glBegin(GL_POLYGON);
- for (i = 0; i < 8; i++) {
- SetColor(COLOR_WHITE-i);
- glVertex2iv(vx[i]);
- }
- glEnd();
-
- glBegin(GL_POLYGON);
- glVertex2i(0, 0);
- glVertex2i(100, 100);
- glEnd();
-}
-
-static void Quads(void)
-{
-
- glBegin(GL_QUADS);
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, -boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/8, -boxH/16);
- SetColor(COLOR_BLUE);
- glVertex2i(boxW/8, -boxH/16);
- SetColor(COLOR_WHITE);
- glVertex2i(boxW/4, -boxH/4);
-
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/8, boxH/16);
- SetColor(COLOR_BLUE);
- glVertex2i(boxW/8, boxH/16);
- SetColor(COLOR_WHITE);
- glVertex2i(boxW/4, boxH/4);
- glEnd();
-
- glBegin(GL_QUADS);
- glVertex2i(0, 0);
- glVertex2i(100, 100);
- glVertex2i(-100, 100);
- glEnd();
-}
-
-static void QuadStrip(void)
-{
-
- glBegin(GL_QUAD_STRIP);
- SetColor(COLOR_GREEN);
- glVertex2i(-boxW/4, -boxH/4);
- SetColor(COLOR_RED);
- glVertex2i(-boxW/4, boxH/4);
- SetColor(COLOR_BLUE);
- glVertex2i(0, -boxH/4);
- SetColor(COLOR_WHITE);
- glVertex2i(0, boxH/4);
- SetColor(COLOR_CYAN);
- glVertex2i(boxW/4, -boxH/4);
- SetColor(COLOR_YELLOW);
- glVertex2i(boxW/4, boxH/4);
- glEnd();
-
- glBegin(GL_QUAD_STRIP);
- glVertex2i(0, 0);
- glVertex2i(100, 100);
- glVertex2i(-100, 100);
- glEnd();
-}
-
-static void Draw(void)
-{
-
- glViewport(0, 0, windW, windH);
- glDisable(GL_SCISSOR_TEST);
-
- glPushAttrib(GL_COLOR_BUFFER_BIT);
-
- glColorMask(1, 1, 1, 1);
- glIndexMask(~0);
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClear(GL_COLOR_BUFFER_BIT);
-
- glPopAttrib();
-
- if (mode1) {
- glShadeModel(GL_SMOOTH);
- } else {
- glShadeModel(GL_FLAT);
- }
-
- if (mode2) {
- glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
- } else {
- glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
- }
-
- Viewport(0, 0); Point();
- Viewport(0, 1); Lines();
- Viewport(0, 2); LineStrip();
- Viewport(0, 3); LineLoop();
-
- Viewport(1, 0); Bitmap();
- Viewport(1, 1); TriangleFan();
- Viewport(1, 2); Triangles();
- Viewport(1, 3); TriangleStrip();
-
- Viewport(2, 0); Rect();
- Viewport(2, 1); PolygonFunc();
- Viewport(2, 2); Quads();
- Viewport(2, 3); QuadStrip();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_FALSE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-ci") == 0) {
- rgb = GL_FALSE;
- } else if (strcmp(argv[i], "-rgb") == 0) {
- rgb = GL_TRUE;
- } else if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- windW = 600;
- windH = 300;
- glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
-
- windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
- windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(windType);
-
- if (glutCreateWindow("Primitive Test") == GL_FALSE) {
- exit(1);
- }
-
- InitMap();
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff