/*Create a tile list based on texture. width must be divisible by tw , and height by th...*/
rdp_srec_texture_tile_list_t* rdp_srec_tilelist_create(rdp_srec_texture_t* texture,uint16_t tw,uint16_t th,uint16_t tx_offs,uint16_t ty_offs) {
rdp_srec_texture_tile_list_t* srec_tl;
if ((!texture) || (0 == tw) || (0 == th) || (texture->width < tw) || (texture->height < th)) { return NULL; }
srec_tl = (rdp_srec_texture_tile_list_t*)malloc(sizeof(rdp_srec_texture_tile_list_t));
if (!srec_tl) { return NULL; }
srec_tl->texture = NULL;
srec_tl->tiles = 0;
/*Estimate TC*/
uint32_t twc,thc;
twc = (((texture->width + tw) & (~(tw-1))) / tw) + 1;
thc = (((texture->height + th) & (~(th-1))) / th) + 1;
srec_tl->texture = (rdp_srec_texture_t**)malloc(sizeof(rdp_srec_texture_t**) * (twc * thc));
if (!srec_tl->texture) { rdp_srec_tilelist_destroy(srec_tl); return NULL; }
uint32_t i,j;
for (i = 0,j = thc*twc;i < j;++i) {
srec_tl->texture[i] = NULL;
}
data_cache_hit_writeback_invalidate(srec_tl,sizeof(rdp_srec_texture_tile_list_t));
/*Make tiles*/
uint16_t x,y;
uint8_t* tdata = texture->data;
for (y = 0;y < texture->height;y += th) {
const uint32_t yb = ((uint32_t)y * (uint32_t)texture->width * (uint32_t)texture->bitdepth);
for (x = 0;x < texture->width;x += tw) {
srec_tl->texture[srec_tl->tiles] =
rdp_srec_tex_create_tilepart(&tdata[yb + ((uint32_t)x * (uint32_t)texture->bitdepth)],
tw,th,texture->bitdepth,texture->format);
if (!srec_tl->texture[srec_tl->tiles]) {
rdp_srec_tilelist_destroy(srec_tl);
return NULL;
}
srec_tl->texture[srec_tl->tiles]->tilepart = ((uint32_t)(tx_offs+x) << 16) | (uint32_t)(ty_offs+y);
data_cache_hit_writeback_invalidate(srec_tl->texture[srec_tl->tiles],sizeof(rdp_srec_texture_t));
++srec_tl->tiles;
}
}
data_cache_hit_writeback_invalidate(srec_tl,sizeof(rdp_srec_texture_tile_list_t));
return srec_tl;
}
rdp_srec_texture_t* rdp_srec_tex_create(uint16_t w,uint16_t h,uint16_t bpp,uint16_t format) {
rdp_srec_texture_t* srec_texture;
const uint32_t sz = (((w * h * bpp) + sizeof(rdp_srec_texture_t)) + (bpp << 1)) & (~((bpp << 1)-1));
if ((0 == bpp) || (0 == w) || (0 == h)) { return NULL; }
srec_texture = (rdp_srec_texture_t*)malloc(sz);
if (!srec_texture) { return NULL; }
srec_texture->width = w;
srec_texture->height = h;
srec_texture->bitdepth = bpp;
srec_texture->format = format;
srec_texture->tilepart = 0xffffffff;
srec_texture->hslices = srec_texture->width >> 5;
srec_texture->vslices = srec_texture->height >> 4;
/*Make w/dw writes safe*/
uint8_t* addr = ((void*)srec_texture) + sizeof(rdp_srec_texture_t);
if ((uint32_t)addr & (bpp-1)) {
srec_texture->data = (void*)addr + (8 - ((uint32_t)addr & (bpp-1)));
} else {
srec_texture->data = (void*)addr;
}
data_cache_hit_writeback_invalidate(srec_texture,sizeof(rdp_srec_texture_t));
return srec_texture;
}
void rdp_srec_tex_convert(sprite_t* ldragon_sprite,rdp_srec_texture_t* srec_texture) {
srec_texture->width = ldragon_sprite->width;
srec_texture->height = ldragon_sprite->height;
srec_texture->bitdepth = ldragon_sprite->bitdepth;
srec_texture->format = ldragon_sprite->format;
srec_texture->data = ldragon_sprite->data;
srec_texture->hslices = ldragon_sprite->hslices;
srec_texture->vslices = ldragon_sprite->vslices;
srec_texture->tilepart = 0;
data_cache_hit_writeback_invalidate(srec_texture,sizeof(rdp_srec_texture_t));
}
sprite_t *loadImage32DFS(char *fname) {
int size, x, y, n, fd;
u8 *tbuf;
u32 *ibuf;
sprite_t *sbuf;
fd = dfs_open(fname);
if (fd < 0)
return 0; // couldn't open image
size = dfs_size(fd);
tbuf = malloc(size);
if (!tbuf) {
dfs_close(fd);
return 0; // out of memory
}
dfs_read(tbuf, 1, size, fd);
dfs_close(fd);
ibuf = (u32*)stbi_load_from_memory(tbuf, size, &x, &y, &n, 4);
free(tbuf);
if (!ibuf)
return 0; // couldn't decode image
sbuf = (sprite_t*)malloc(sizeof(sprite_t) + x * y * 4);
if (!sbuf) {
stbi_image_free(ibuf);
return 0; // out of memory
}
sbuf->width = x;
sbuf->height = y;
sbuf->bitdepth = 4;
sbuf->format = 0;
sbuf->hslices = x / 32;
sbuf->vslices = y / 32;
// color_t *src = (color_t*)ibuf;
u32 *dst = (u32*)((u32)sbuf + sizeof(sprite_t));
for (int j=0; j<y; j++)
for (int i=0; i<x; i++)
dst[i + j*x] = ibuf[i + j*x];
/* Invalidate data associated with sprite in cache */
data_cache_hit_writeback_invalidate( sbuf->data, sbuf->width * sbuf->height * sbuf->bitdepth );
stbi_image_free(ibuf);
return sbuf;
}
void read_ucode(void* start, unsigned long size)
{
data_cache_hit_writeback_invalidate(start, size);
disable_interrupts();
__SP_DMA_wait();
SP_regs->DRAM_addr = start;
MEMORY_BARRIER();
SP_regs->RSP_addr = (void*)SP_DMA_IMEM;
MEMORY_BARRIER();
SP_regs->rsp_write_length = size - 1;
MEMORY_BARRIER();
__SP_DMA_wait();
data_cache_hit_invalidate(start, size);
enable_interrupts();
return;
}