#include <stdio.h>
#include <stdlib.h>
+#include <stdint.h>
+#include <math.h>
#include "rbench.h"
#include "treestor.h"
DEF_WIDTH, DEF_HEIGHT, DEF_BPP
};
+int fb_width, fb_height, fb_bpp, fb_pitch;
+void *framebuf;
+unsigned int time_msec;
+
+int init(void)
+{
+ return 0;
+}
+
+void cleanup(void)
+{
+}
+
+#define XORRGB(x, y, zoom, r, g, b) \
+ do { \
+ int xor = (((x) - fb_width/2) * (zoom) >> 10) ^ (((y) - fb_height/2) * (zoom) >> 10); \
+ (r) = xor >> 2; \
+ (g) = xor >> 1; \
+ (b) = xor; \
+ } while(0)
+
void redraw(void)
{
+ int i, j, r, g, b, xoffs, yoffs, zoom;
+ unsigned char *fbptr;
+ uint16_t *fbptr16;
+ uint32_t *fbptr32;
+ float t = (float)time_msec / 1000.0f;
+
+ xoffs = cos(t * 0.5f) * DEF_WIDTH * 2;
+ yoffs = sin(t) * DEF_HEIGHT;
+ zoom = (sin(t * 0.75f) * 0.5f + 1.0f) * 1024.0f;
+
+ switch(fb_bpp) {
+ case 15:
+ fbptr16 = framebuf;
+ for(i=0; i<fb_height; i++) {
+ for(j=0; j<fb_width; j++) {
+ XORRGB(j + xoffs, i + yoffs, zoom, r, g, b);
+ *fbptr16++ = ((r & 0x1f) << 10) | ((g & 0x1f) << 5) | (b & 0x1f);
+ }
+ fbptr16 += (fb_pitch >> 1) - fb_width;
+ }
+ break;
+
+ case 16:
+ fbptr16 = framebuf;
+ for(i=0; i<fb_height; i++) {
+ for(j=0; j<fb_width; j++) {
+ XORRGB(j + xoffs, i + yoffs, zoom, r, g, b);
+ *fbptr16++ = ((r & 0x1f) << 11) | ((g & 0x3f) << 5) | (b & 0x1f);
+ }
+ fbptr16 += (fb_pitch >> 1) - fb_width;
+ }
+ break;
+
+ case 24:
+ fbptr = framebuf;
+ for(i=0; i<fb_height; i++) {
+ for(j=0; j<fb_width; j++) {
+ XORRGB(j + xoffs, i + yoffs, zoom, r, g, b);
+ *fbptr++ = r;
+ *fbptr++ = g;
+ *fbptr++ = b;
+ }
+ fbptr += fb_pitch - fb_width * 3;
+ }
+ break;
+
+ case 32:
+ fbptr32 = framebuf;
+ for(i=0; i<fb_height; i++) {
+ for(j=0; j<fb_width; j++) {
+ XORRGB(j + xoffs, i + yoffs, zoom, r, g, b);
+ *fbptr32++ = ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
+ }
+ fbptr32 += (fb_pitch >> 2) - fb_width;
+ }
+ break;
+ }
}
void key_event(int key, int press)