xenocara/dist/Mesa/progs/openvg/trivial/clear.c

43 lines
778 B
C

#include "eglcommon.h"
#include <VG/openvg.h>
#include <stdio.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};
static void
init(void)
{
}
/* new window size or exposure */
static void
reshape(int w, int h)
{
vgLoadIdentity();
}
static void
draw(void)
{
VGint scissor[4] = {100, 100, 25, 25};
vgSetfv(VG_CLEAR_COLOR, 4, red_color);
vgClear(0, 0, window_width(), window_height());
vgSetfv(VG_CLEAR_COLOR, 4, blue_color);
vgClear(50, 50, 50, 50);
//vgSetiv(VG_SCISSOR_RECTS, 4, scissor);
//vgSeti(VG_SCISSORING, VG_TRUE);
vgCopyPixels(100, 100, 50, 50, 50, 50);
vgClear(150, 150, 50, 50);
}
int main(int argc, char **argv)
{
return run(argc, argv, init, reshape,
draw, 0);
}