/* internal engine routines */
static void *
_output_setup(int w, int h)
{
Render_Engine *re;
int i;
u16 width, height;
DATA32 *image_data = NULL;
int image_size;
printf ("_output_setup called : %dx%d\n", w, h);
re = calloc(1, sizeof(Render_Engine));
if (!re)
return NULL;
/* Allocate a 1Mb buffer, alligned to a 1Mb boundary
* to be our shared IO memory with the RSX. */
re->host_addr = memalign (1024 * 1024, HOST_SIZE);
if (re->host_addr == NULL)
{
free (re);
return NULL;
}
re->context = initScreen (re->host_addr, HOST_SIZE);
if (re->context == NULL)
{
free (re->host_addr);
free (re);
return NULL;
}
width = w;
height = h;
setResolution (re->context, &width, &height);
re->currentBuffer = 0;
re->width = width;
re->height = height;
for (i = 0; i < MAX_BUFFERS; i++)
makeBuffer (&re->buffers[i], width, height, i);
flipBuffer(re->context, MAX_BUFFERS - 1);
re->tb = evas_common_tilebuf_new(w, h);
/* in preliminary tests 16x16 gave highest framerates */
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
/* Allocate our memaligned backbuffer */
image_size = ((w * h * sizeof(u32)) + 0xfffff) & - 0x100000;
image_data = memalign (1024 * 1024, image_size);
re->rgba_image = (RGBA_Image *)evas_cache_image_data(evas_common_image_cache_get(),
w, h, image_data, 1, EVAS_COLORSPACE_ARGB8888);
gcmMapMainMemory(image_data, image_size, &re->rgba_image_offset);
return re;
}
/*
*
* Clear the screen (mode 4)
*
*/
void clearScreen(void) {
int x;
int y;
for(y = 0; y < 160; y++) {
for(x = 0; x < 120; x++) {
drawPixel(x, y, 0x0000);
}
}
waitForVerticalBlank();
flipBuffer();
}
void clearBuffers(void)
{
uint8 i;
int16 y;
uint8 buffer = 0;
for (i = 0; i < 3; ++i)
{
for (y = 0; y < 240; y += 24)
draw(0x000B6F80, 160, 24, 0, y, false);
flipBuffer(&buffer);
}
}