#include "cfgopt.h"
#include "logger.h"
#include "tinyfps.h"
+#include "cdpmi.h"
#undef NOKEYB
static void recalc_sball_matrix(float *xform);
static int quit;
-static int use_mouse;
static long fbsize;
static int use_sball;
int main(int argc, char **argv)
{
- fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
+#ifdef __DJGPP__
+ __djgpp_nearptr_enable();
+#endif
+
+ fbsize = FB_WIDTH * FB_HEIGHT * FB_BPP / 8;
init_logger("demo.log");
kb_init(32);
#endif
- if((use_mouse = have_mouse())) {
- printf("initializing mouse input\n");
- set_mouse_limits(0, 0, fb_width, fb_height);
- set_mouse(fb_width / 2, fb_height / 2);
- }
-
- if(!(fb_pixels = malloc(fbsize))) {
+ /* now start_loadscr sets up fb_pixels to the space used by the loading image,
+ * so no need to allocate another framebuffer
+ */
+#if 0
+ /* allocate a couple extra rows as a guard band, until we fucking fix the rasterizer */
+ if(!(fb_pixels = malloc(fbsize + (FB_WIDTH * FB_BPP / 8) * 2))) {
fprintf(stderr, "failed to allocate backbuffer\n");
return 1;
}
+ fb_pixels += FB_WIDTH;
+#endif
- if(!(vmem_back = set_video_mode(fb_width, fb_height, fb_bpp))) {
+ if(!(vmem = set_video_mode(FB_WIDTH, FB_HEIGHT, FB_BPP, 1))) {
return 1;
}
- if(!(vmem_front = page_flip(FLIP_NOW))) {
- fprintf(stderr, "page flipping not supported. falling back to double buffering\n");
- vmem_front = vmem_back;
- } else {
- assert(vmem_back != vmem_front);
+
+ if(opt.mouse) {
+ if((opt.mouse = have_mouse())) {
+ printf("initializing mouse input\n");
+ set_mouse_limits(0, 0, FB_WIDTH - 1, FB_HEIGHT - 1);
+ set_mouse(FB_WIDTH / 2, FB_HEIGHT / 2);
+ }
}
if(demo_init(argc, argv) == -1) {
#endif
if(quit) goto break_evloop;
- if(use_mouse) {
+ if(opt.mouse) {
mouse_bmask = read_mouse(&mouse_x, &mouse_y);
}
if(use_sball && sball_pending()) {
void swap_buffers(void *pixels)
{
- if(pixels) {
- /* just memcpy to the front buffer */
- if(opt.vsync) {
- wait_vsync();
- }
- drawFps(pixels);
- memcpy(vmem_front, pixels, fbsize);
-
- } else {
- /* attempt page flipping */
- void *next;
-
- drawFps(vmem_back);
- if((next = page_flip(opt.vsync ? FLIP_VBLANK : FLIP_NOW))) {
- assert(next == vmem_back);
- vmem_back = vmem_front;
- vmem_front = next;
- } else {
- /* failed to page flip, assume we drew in the front buffer then
- * and just wait for vsync if necessary
- */
- if(opt.vsync) {
- wait_vsync();
- }
- }
+ if(!pixels) {
+ pixels = fb_pixels;
+ }
+
+ demo_post_draw(pixels);
+
+ /* just memcpy to the front buffer */
+ if(opt.vsync) {
+ wait_vsync();
}
+ memcpy(vmem, pixels, fbsize);
}