static int
lnewdfont(lua_State *L) {
int width = luaL_checkinteger(L, 1);
int height = luaL_checkinteger(L, 2);
int format = luaL_checkinteger(L, 3);
int id = luaL_checkinteger(L, 4);
lua_createtable(L, 0, 1);
size_t size = dfont_data_size(width, height);
void * d = lua_newuserdata(L, size);
dfont_init(d, width, height);
lua_setfield(L, -2, "__obj");
const char* err = texture_load(id, (enum TEXTURE_FORMAT)format, width, height, NULL, 0);
if (err) {
return luaL_error(L, err);
}
RID tex = texture_glid(id);
render_texture_update(R, tex, width, height, NULL, 0, 0);
lua_pushinteger(L, id);
lua_setfield(L, -2, "texture");
return 1;
}
const char *
texture_load(int id, enum TEXTURE_FORMAT pixel_format, int pixel_width, int pixel_height, void *data, int reduce) {
if (id >= MAX_TEXTURE) {
return "Too many texture";
}
struct texture * tex = &POOL.tex[id];
if (id >= POOL.count) {
POOL.count = id + 1;
}
tex->fb = 0;
tex->width = pixel_width;
tex->height = pixel_height;
tex->invw = 1.0f / (float)pixel_width;
tex->invh = 1.0f / (float)pixel_height;
if (tex->id == 0) {
tex->id = render_texture_create(R, pixel_width, pixel_height, pixel_format, TEXTURE_2D, 0);
}
if (data == NULL) {
// empty texture
return NULL;
}
if (reduce) {
texture_reduce(pixel_format, &pixel_width, &pixel_height, data);
}
render_texture_update(R, tex->id, pixel_width, pixel_height, data, 0, 0);
return NULL;
}
void
label_load() {
if (Dfont) return;
Dfont = dfont_create(TEX_WIDTH, TEX_HEIGHT);
Tex = render_texture_create(R, TEX_WIDTH, TEX_HEIGHT, TEX_FMT, TEXTURE_2D, 0);
render_texture_update(R, Tex, TEX_WIDTH, TEX_HEIGHT ,NULL, 0, 0);
}
RID
render_target_create(struct render *R, int width, int height, enum TEXTURE_FORMAT format) {
RID tex = render_texture_create(R, width, height, format, TEXTURE_2D, 0);
if (tex == 0)
return 0;
render_texture_update(R, tex, width, height, NULL, 0, 0);
RID rt = create_rt(R, tex);
glBindFramebuffer(GL_FRAMEBUFFER, R->default_framebuffer);
R->last.target = 0;
R->changeflag |= CHANGE_TARGET;
if (rt == 0) {
render_release(R, TEXTURE, tex);
}
CHECK_GL_ERROR
return rt;
}
const char *
texture_update(int id, int pixel_width, int pixel_height, void *data) {
if (id >= MAX_TEXTURE) {
return "Too many texture";
}
if(data == NULL){
return "no content";
}
struct texture * tex = &POOL.tex[id];
if(tex->id == 0){
return "not a valid texture";
}
render_texture_update(R, tex->id, pixel_width, pixel_height, data, 0, 0);
return NULL;
}
static int
_texture_create(int type, int width, int height, const void* data, int channel, unsigned int id) {
enum TEXTURE_FORMAT t = TEXTURE_RGBA8;
switch (type) {
case DTEX_TF_RGBA8:
t = TEXTURE_RGBA8;
break;
case DTEX_TF_PVR4:
t = TEXTURE_PVR4;
break;
default:
assert(0);
}
struct render* r = sl_shader_get_render();
int texid = render_texture_create(r, width, height, t, TEXTURE_2D, 0);
render_texture_update(r, texid, width, height, data, 0, 0);
return texid;
}