diff options
Diffstat (limited to 'progs/egl/opengl/demo2.c')
| -rw-r--r-- | progs/egl/opengl/demo2.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/progs/egl/opengl/demo2.c b/progs/egl/opengl/demo2.c deleted file mode 100644 index b9e92f62ac..0000000000 --- a/progs/egl/opengl/demo2.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Exercise EGL API functions - */ - -#define EGL_EGLEXT_PROTOTYPES - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <EGL/egl.h> -#include <EGL/eglext.h> -#include <GLES/gl.h> - -/*#define FRONTBUFFER*/ - -static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2, - GLfloat r, GLfloat g, GLfloat b) -{ - GLfloat v[4][2], c[4][4]; - int i; - - v[0][0] = x1; v[0][1] = y1; - v[1][0] = x2; v[1][1] = y1; - v[2][0] = x2; v[2][1] = y2; - v[3][0] = x1; v[3][1] = y2; - - for (i = 0; i < 4; i++) { - c[i][0] = r; - c[i][1] = g; - c[i][2] = b; - c[i][3] = 1.0; - } - - glVertexPointer(2, GL_FLOAT, 0, v); - glColorPointer(4, GL_FLOAT, 0, v); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_COLOR_ARRAY); - - glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - - glDisableClientState(GL_VERTEX_ARRAY); - glDisableClientState(GL_COLOR_ARRAY); -} - - -static void redraw(EGLDisplay dpy, EGLSurface surf, int rot) -{ - GLfloat r, g, b; - - printf("Redraw event\n"); - - glClearColor( rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX, - rand()/(float)RAND_MAX, - 1); - - glClear( GL_COLOR_BUFFER_BIT ); - - r = rand()/(float)RAND_MAX; - g = rand()/(float)RAND_MAX; - b = rand()/(float)RAND_MAX; - - glPushMatrix(); - glRotatef(rot, 0, 0, 1); - glScalef(.5, .5, .5); - _subset_Rectf( -1, -1, 1, 1, r, g, b ); - glPopMatrix(); - -#ifdef FRONTBUFFER - glFlush(); -#else - eglSwapBuffers( dpy, surf ); -#endif - glFinish(); -} - - -/** - * Test EGL_MESA_screen_surface functions - */ -static void -TestScreens(EGLDisplay dpy) -{ -#define MAX 8 - EGLScreenMESA screens[MAX]; - EGLint numScreens; - EGLint i; - - eglGetScreensMESA(dpy, screens, MAX, &numScreens); - printf("Found %d screens\n", numScreens); - for (i = 0; i < numScreens; i++) { - printf(" Screen %d handle: %d\n", i, (int) screens[i]); - } -} - - -int -main(int argc, char *argv[]) -{ - int maj, min; - EGLContext ctx; - EGLSurface pbuffer, screen_surf; - EGLConfig configs[10]; - EGLint numConfigs, i; - EGLBoolean b; - const EGLint pbufAttribs[] = { - EGL_WIDTH, 500, - EGL_HEIGHT, 500, - EGL_NONE - }; - EGLint screenAttribs[32]; - EGLModeMESA mode; - EGLScreenMESA screen; - EGLint count; - - 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); - printf("Got %d EGL configs:\n", numConfigs); - for (i = 0; i < numConfigs; i++) { - EGLint id, red, depth; - eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id); - eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red); - eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth); - printf("%2d: Red Size = %d Depth Size = %d\n", id, red, depth); - } - - 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; - } - - pbuffer = eglCreatePbufferSurface(d, configs[0], pbufAttribs); - if (pbuffer == EGL_NO_SURFACE) { - printf("failed to create pbuffer\n"); - return 0; - } - - b = eglMakeCurrent(d, pbuffer, pbuffer, ctx); - if (!b) { - printf("make current failed\n"); - return 0; - } - - b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - - 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); - - glClearColor( 0, - 1.0, - 0, - 1); - - glClear( GL_COLOR_BUFFER_BIT ); - - - TestScreens(d); - - glShadeModel( GL_FLAT ); - - for (i = 0; i < 6; i++) { - redraw(d, screen_surf, i*10 ); - - printf("sleep(1)\n"); - sleep(1); - } - - eglDestroySurface(d, pbuffer); - eglDestroyContext(d, ctx); - eglTerminate(d); - - return 0; -} |