diff options
Diffstat (limited to 'progs/openvg/trivial/readpixels.c')
-rw-r--r-- | progs/openvg/trivial/readpixels.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/progs/openvg/trivial/readpixels.c b/progs/openvg/trivial/readpixels.c deleted file mode 100644 index c8e286db9a..0000000000 --- a/progs/openvg/trivial/readpixels.c +++ /dev/null @@ -1,75 +0,0 @@ -#include "eglcommon.h" - -#include <VG/openvg.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -float red_color[4] = {1.0, 0.0, 0.0, 1.0}; -float blue_color[4] = {0.0, 0.0, 1.0, 1.0}; -VGint *data; - -static void -init(void) -{ - data = malloc(sizeof(VGint)*2048*2048); -} - -/* new window size or exposure */ -static void -reshape(int w, int h) -{ - vgLoadIdentity(); -} - -static void -draw(void) -{ - static const VGint red_pixel = 255 << 24 | 255 << 16 | 0 << 8 | 0; - static const VGint blue_pixel = 255 << 24 | 0 << 16 | 0 << 8 | 255; - VGint i; - - vgSetfv(VG_CLEAR_COLOR, 4, red_color); - vgClear(0, 0, window_width(), window_height()); - vgFlush(); - - memset(data, 0, window_width() * window_height() * sizeof(VGint)); - - vgReadPixels(data, window_width() * sizeof(VGint), - VG_lARGB_8888, - 0, 0, window_width(), window_height()); - - fprintf(stderr, "Red 0 = 0x%x and at 600 = 0x%x\n", - data[0], data[600]); - for (i = 0; i < window_width() * window_height(); ++i) { - assert(data[i] == red_pixel); - } - - vgSetfv(VG_CLEAR_COLOR, 4, blue_color); - vgClear(50, 50, 50, 50); - vgFlush(); - - memset(data, 0, window_width() * window_height() * sizeof(VGint)); - - vgReadPixels(data, 50 * sizeof(VGint), - VG_lARGB_8888, - 50, 50, 50, 50); - - fprintf(stderr, "Blue 0 = 0x%x and at 100 = 0x%x\n", - data[0], data[100]); - for (i = 0; i < 50 * 50; ++i) { - assert(data[i] == blue_pixel); - } -} - - -int main(int argc, char **argv) -{ - int ret = run(argc, argv, init, reshape, - draw, 0); - - free(data); - return ret; -} |