static int dev_fd = -1;
static Rect screen_rect;
+
static int color_depth; // bits per pixel
+static Pixmap *pixmap;
+
bool init_gfx()
{
if((dev_fd = open("/dev/fb0", O_RDWR)) == -1) {
screen_rect.height = sinfo.yres_virtual;
color_depth = sinfo.bits_per_pixel;
+ set_clipping_rect(screen_rect);
+
int sz = FRAMEBUFFER_SIZE(screen_rect.width, screen_rect.height, color_depth);
framebuffer = (unsigned char*)mmap(0, sz, PROT_READ | PROT_WRITE, MAP_SHARED, dev_fd, 0);
return false;
}
+// TODO: uncomment when I find how to use intelfb instead of i915 GRRRR.-
fb_vblank vblank;
if(ioctl(dev_fd, FBIOGET_VBLANK, &vblank) == -1) {
- fprintf(stderr, "FBIOGET_VBLANK error: %s\n", strerror(errno));
+// fprintf(stderr, "FBIOGET_VBLANK error: %s\n", strerror(errno));
}
- else {
+/*
+ else {
printf("flags: %x\n", vblank.flags);
printf("count: %d\n", vblank.count);
printf("beam position: %d, %d\n", vblank.hcount, vblank.vcount);
}
+*/
+
+ pixmap = new Pixmap;
+ pixmap->width = screen_rect.width;
+ pixmap->height = screen_rect.height;
+ pixmap->pixels = framebuffer;
return true;
}
munmap(framebuffer, FRAMEBUFFER_SIZE(screen_rect.width, screen_rect.height, color_depth));
framebuffer = 0;
+
+ pixmap->pixels = 0;
}
unsigned char *get_framebuffer()
return framebuffer;
}
+Pixmap *get_framebuffer_pixmap()
+{
+ return pixmap;
+}
+
Rect get_screen_size()
{
return screen_rect;
return color_depth;
}
-void clear_screen(int r, int g, int b)
-{
- fill_rect(screen_rect, r, g, b);
-}
-
-void fill_rect(const Rect &rect, int r, int g, int b)
-{
- Rect drect = rect;
-
- if(drect.x < screen_rect.x) {
- drect.width -= screen_rect.x - drect.x;
- drect.x = screen_rect.x;
- }
-
- if(drect.y < screen_rect.y) {
- drect.height -= screen_rect.y - drect.y;
- drect.y = screen_rect.y;
- }
-
- if(drect.x + drect.width >= screen_rect.x + screen_rect.width) {
- drect.width = screen_rect.width - drect.x;
- }
-
- if(drect.y + drect.height >= screen_rect.y + screen_rect.height) {
- drect.height = screen_rect.height - drect.y;
- }
-
- unsigned char *fb = framebuffer + (drect.x + screen_rect.width * drect.y) * 4;
- for(int i=0; i<drect.height; i++) {
- for(int j=0; j<drect.width; j++) {
- fb[j * 4] = b;
- fb[j * 4 + 1] = g;
- fb[j * 4 + 2] = r;
- }
- fb += screen_rect.width * 4;
- }
-}
void set_cursor_visibility(bool visible)
{
}
}
-void blit(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
- const Rect &dest_rect, int dest_x, int dest_y)
-{
- int width = src_rect.width;
- int height = src_rect.height;
-
- int xoffs = dest_x - dest_rect.x;
- if(xoffs < 0) {
- dest_x = dest_rect.x;
- width += xoffs;
- }
-
- int yoffs = dest_y - dest_rect.y;
- if(yoffs < 0) {
- dest_y = dest_rect.y;
- height += yoffs;
- }
-
- int xend = dest_x + width;
- if(xend >= dest_rect.width) {
- width -= xend - dest_rect.width;
- }
-
- int yend = dest_y + height;
- if(yend >= dest_rect.height) {
- height -= yend - dest_rect.height;
- }
-
- if(width <= 0 || height <= 0) {
- return;
- }
-
- unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
- unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
-
- for(int i=0; i<height; i++) {
- memcpy(dptr, sptr, width * 4);
- sptr += src_rect.width * 4;
- dptr += dest_rect.width * 4;
- }
-}
-
-void blit_key(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
- const Rect &dest_rect, int dest_x, int dest_y, int key_r, int key_g, int key_b)
-{
- int width = src_rect.width;
- int height = src_rect.height;
-
- int xoffs = dest_x - dest_rect.x;
- if(xoffs < 0) {
- dest_x = dest_rect.x;
- width += xoffs;
- }
-
- int yoffs = dest_y - dest_rect.y;
- if(yoffs < 0) {
- dest_y = dest_rect.y;
- height += yoffs;
- }
-
- int xend = dest_x + width;
- if(xend >= dest_rect.width) {
- width -= xend - dest_rect.width;
- }
-
- int yend = dest_y + height;
- if(yend >= dest_rect.height) {
- height -= yend - dest_rect.height;
- }
-
- if(width <= 0 || height <= 0) {
- return;
- }
-
- unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
- unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
-
- for(int i=0; i<height; i++) {
- for(int j=0; j<width; j++) {
- int r = sptr[j * 4];
- int g = sptr[j * 4 + 1];
- int b = sptr[j * 4 + 2];
-
- if(r != key_r || g != key_g || b != key_b) {
- dptr[j * 4] = b;
- dptr[j * 4 + 1] = g;
- dptr[j * 4 + 2] = r;
- }
- }
-
- sptr += src_rect.width * 4;
- dptr += dest_rect.width * 4;
- }
-}
-
void gfx_update()
{
}
void wait_vsync()
{
unsigned long arg = 0;
-
- timeval tvstart, tvend;
- gettimeofday(&tvstart, 0);
-
if(ioctl(dev_fd, FBIO_WAITFORVSYNC, &arg) == -1) {
- printf("ioctl error %s\n", strerror(errno));
+// printf("ioctl error %s\n", strerror(errno));
}
-
- gettimeofday(&tvend, 0);
- printf("%ld %ld\n", tvend.tv_sec - tvstart.tv_sec, tvend.tv_usec - tvstart.tv_usec);
}
#endif // WINNIE_FBDEV
projects / winnie / blobdiff