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-rw-r--r--progs/egl/opengl/demo3.c647
1 files changed, 0 insertions, 647 deletions
diff --git a/progs/egl/opengl/demo3.c b/progs/egl/opengl/demo3.c
deleted file mode 100644
index 64b9ee652c..0000000000
--- a/progs/egl/opengl/demo3.c
+++ /dev/null
@@ -1,647 +0,0 @@
-/*
- * Exercise EGL API functions
- */
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include <GL/gl.h>
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.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 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,
-};
-
-
-static void Init(void)
-{
-
- mode1 = GL_TRUE;
- mode2 = GL_TRUE;
-}
-
-static void Reshape(int width, int height)
-{
-
- windW = (GLint)width;
- windH = (GLint)height;
-}
-
-#if 0
-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;
- }
-}
-#endif
-
-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);
-}
-
-enum {
- COLOR_BLACK = 0,
- COLOR_RED,
- COLOR_GREEN,
- COLOR_YELLOW,
- COLOR_BLUE,
- COLOR_MAGENTA,
- COLOR_CYAN,
- COLOR_WHITE
-};
-
-static float RGBMap[9][3] = {
- {0, 0, 0},
- {1, 0, 0},
- {0, 1, 0},
- {1, 1, 0},
- {0, 0, 1},
- {1, 0, 1},
- {0, 1, 1},
- {1, 1, 1},
- {0.5, 0.5, 0.5}
-};
-
-static void SetColor(int c)
-{
- glColor3fv(RGBMap[c]);
-}
-
-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++) {
- SetColor(COLOR_BLACK+i);
- glBegin(GL_LINES);
- glVertex2i(-boxW/4, -boxH/4);
- 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(EGLDisplay dpy, EGLSurface surf)
-{
-
- 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) {
- eglSwapBuffers(dpy, surf);
- }
-}
-
-static void
-write_ppm(const char *filename, const GLubyte *buffer, int width, int height)
-{
- const int binary = 0;
- FILE *f = fopen( filename, "w" );
- if (f) {
- int i, x, y;
- const GLubyte *ptr = buffer;
- if (binary) {
- fprintf(f,"P6\n");
- fprintf(f,"# ppm-file created by osdemo.c\n");
- fprintf(f,"%i %i\n", width,height);
- fprintf(f,"255\n");
- fclose(f);
- f = fopen( filename, "ab" ); /* reopen in binary append mode */
- for (y=height-1; y>=0; y--) {
- for (x=0; x<width; x++) {
- i = (y*width + x) * 4;
- fputc(ptr[i], f); /* write red */
- fputc(ptr[i+1], f); /* write green */
- fputc(ptr[i+2], f); /* write blue */
- }
- }
- }
- else {
- /*ASCII*/
- int counter = 0;
- fprintf(f,"P3\n");
- fprintf(f,"# ascii ppm file created by osdemo.c\n");
- fprintf(f,"%i %i\n", width, height);
- fprintf(f,"255\n");
- for (y=height-1; y>=0; y--) {
- for (x=0; x<width; x++) {
- i = (y*width + x) * 4;
- fprintf(f, " %3d %3d %3d", ptr[i], ptr[i+1], ptr[i+2]);
- counter++;
- if (counter % 5 == 0)
- fprintf(f, "\n");
- }
- }
- }
- fclose(f);
- }
-}
-
-int
-main(int argc, char *argv[])
-{
- int maj, min;
- EGLContext ctx;
- EGLSurface screen_surf;
- EGLConfig configs[10];
- EGLScreenMESA screen;
- EGLModeMESA mode;
- EGLint numConfigs, count;
- EGLBoolean b;
- const GLubyte *bitmap;
- EGLint screenAttribs[32];
- EGLint i;
-
- EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
- assert(d);
-
- if (!eglInitialize(d, &maj, &min)) {
- printf("demo: eglInitialize failed\n");
- exit(1);
- }
-
- printf("EGL version = %d.%d\n", maj, min);
- printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
- if (!strstr(eglQueryString(d, EGL_EXTENSIONS),
- "EGL_MESA_screen_surface")) {
- printf("EGL_MESA_screen_surface is not supported\n");
- exit(1);
- }
-
- eglGetConfigs(d, configs, 10, &numConfigs);
- eglGetScreensMESA(d, &screen, 1, &count);
- eglGetModesMESA(d, screen, &mode, 1, &count);
-
- eglBindAPI(EGL_OPENGL_API);
- ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
- if (ctx == EGL_NO_CONTEXT) {
- printf("failed to create context\n");
- return 0;
- }
-
- i = 0;
- screenAttribs[i++] = EGL_WIDTH;
- eglGetModeAttribMESA(d, mode, EGL_WIDTH, &screenAttribs[i++]);
- screenAttribs[i++] = EGL_HEIGHT;
- eglGetModeAttribMESA(d, mode, EGL_HEIGHT, &screenAttribs[i++]);
- screenAttribs[i] = EGL_NONE;
-
- screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
- if (screen_surf == EGL_NO_SURFACE) {
- printf("failed to create screen surface\n");
- return 0;
- }
-
- eglShowScreenSurfaceMESA(d, screen, screen_surf, mode);
-
- b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
- if (!b) {
- printf("make current failed\n");
- return 0;
- }
- glViewport(0, 0, 1024, 768);
-
-
- Init();
- Reshape(1024, 768);
-
- /* some drivers crash when rendering to front buffer */
-#if 0
- glDrawBuffer( GL_FRONT );
- glClearColor( 0, 1.0, 0, 1);
-
- glClear( GL_COLOR_BUFFER_BIT );
-#endif
-
- doubleBuffer = 1;
- glDrawBuffer( GL_BACK );
-
- Draw(d, screen_surf);
- sleep(2);
-
- /* TODO EGL_KHR_lock_surface */
- bitmap = NULL;
- if (bitmap)
- write_ppm("dump.ppm", bitmap, 1024, 768);
-
- eglDestroySurface(d, screen_surf);
- eglDestroyContext(d, ctx);
- eglTerminate(d);
-
- return 0;
-}
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