void text_renderer_new(text_renderer_p renderer, size_t texture_width, size_t texture_height) {
FT_Error error = FT_Init_FreeType(&renderer->freetype);
if (error) {
printf("FT_Init_FreeType error\n");
return;
}
renderer->texture = texture_new(texture_width, texture_height, GL_R8);
size_t black_data_size = texture_width * texture_height;
void* black_data = malloc(black_data_size);
memset(black_data, 0, black_data_size);
texture_update(renderer->texture, GL_RED, black_data);
free(black_data);
glBindTexture(GL_TEXTURE_RECTANGLE, renderer->texture);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_RECTANGLE, 0);
renderer->fonts = hash_of(text_renderer_font_t);
renderer->lines = array_of(text_renderer_line_t);
}
static int
lupdate_texture(lua_State *L) {
int id = luaL_checkinteger(L,1);
int width = luaL_checkinteger(L,2);
int height = luaL_checkinteger(L,3);
int step = luaL_checkinteger(L,4);
luaL_checktype(L,5,LUA_TTABLE);
int size = width*height*step;
int len = lua_rawlen(L,5);
if (size != len) {
return luaL_error(L, "no match pixels size:%d, should be %d*%d*%d=%d", len, width, height, step, size);
}
uint8_t *buffer = (uint8_t*)malloc(size);
int i;
for (i=0; i<size; ++i) {
lua_rawgeti(L,-1,i+1);
buffer[i] = (uint8_t)lua_tointeger(L,-1);
lua_pop(L,1);
}
texture_update(id, width, height, buffer);
free(buffer);
return 0;
}
int renderer_sdl2::draw(int update)
{
texture_info *texture=nullptr;
float vofs, hofs;
int blit_pixels = 0;
if (video_config.novideo)
{
return 0;
}
auto win = assert_window();
osd_dim wdim = win->get_size();
if (has_flags(FI_CHANGED) || (wdim.width() != m_width) || (wdim.height() != m_height))
{
destroy_all_textures();
m_width = wdim.width();
m_height = wdim.height();
SDL_RenderSetViewport(m_sdl_renderer, nullptr);
m_blittimer = 3;
clear_flags(FI_CHANGED);
}
//SDL_SelectRenderer(window().sdl_window);
if (m_blittimer > 0)
{
/* SDL Underlays need alpha = 0 ! */
SDL_SetRenderDrawBlendMode(m_sdl_renderer, SDL_BLENDMODE_NONE);
//SDL_SetRenderDrawColor(0,0,0,255);
SDL_SetRenderDrawColor(m_sdl_renderer, 0,0,0,0);
SDL_RenderFillRect(m_sdl_renderer, nullptr);
m_blittimer--;
}
// compute centering parameters
vofs = hofs = 0.0f;
if (video_config.centerv || video_config.centerh)
{
int ch, cw;
ch = wdim.height();
cw = wdim.width();
if (video_config.centerv)
{
vofs = (ch - m_blit_dim.height()) / 2.0f;
}
if (video_config.centerh)
{
hofs = (cw - m_blit_dim.width()) / 2.0f;
}
}
m_last_hofs = hofs;
m_last_vofs = vofs;
win->m_primlist->acquire_lock();
// now draw
for (render_primitive &prim : *win->m_primlist)
{
Uint8 sr, sg, sb, sa;
switch (prim.type)
{
case render_primitive::LINE:
sr = (int)(255.0f * prim.color.r);
sg = (int)(255.0f * prim.color.g);
sb = (int)(255.0f * prim.color.b);
sa = (int)(255.0f * prim.color.a);
SDL_SetRenderDrawBlendMode(m_sdl_renderer, map_blendmode(PRIMFLAG_GET_BLENDMODE(prim.flags)));
SDL_SetRenderDrawColor(m_sdl_renderer, sr, sg, sb, sa);
SDL_RenderDrawLine(m_sdl_renderer, prim.bounds.x0 + hofs, prim.bounds.y0 + vofs,
prim.bounds.x1 + hofs, prim.bounds.y1 + vofs);
break;
case render_primitive::QUAD:
texture = texture_update(prim);
if (texture)
blit_pixels += (texture->raw_height() * texture->raw_width());
render_quad(texture, prim,
round_nearest(hofs + prim.bounds.x0),
round_nearest(vofs + prim.bounds.y0));
break;
default:
throw emu_fatalerror("Unexpected render_primitive type\n");
}
}
win->m_primlist->release_lock();
m_last_blit_pixels = blit_pixels;
m_last_blit_time = -osd_ticks();
SDL_RenderPresent(m_sdl_renderer);
m_last_blit_time += osd_ticks();
return 0;
}
void cls_object_screen_image( t_object *object)
{
t_context *C = ctx_get();
texture_update( object->texture, object->data);
ui_texture_draw( C, object->texture , 0, 0, 1 ,1);
}
static int draw13_window_draw(sdl_window_info *window, UINT32 dc, int update)
{
sdl_info *sdl = (sdl_info *) window->dxdata;
render_primitive *prim;
texture_info *texture=NULL;
float vofs, hofs;
int blit_pixels = 0;
if (video_config.novideo)
{
return 0;
}
if (sdl->resize_pending)
{
SDL_SetWindowSize(window->sdl_window, sdl->resize_width, sdl->resize_height);
SDL_GetWindowSize(window->sdl_window, &window->width, &window->height);
sdl->resize_pending = 0;
SDL_RenderSetViewport(sdl->sdl_renderer, NULL);
}
//SDL_SelectRenderer(window->sdl_window);
if (sdl->blittimer > 0)
{
/* SDL Underlays need alpha = 0 ! */
SDL_SetRenderDrawBlendMode(sdl->sdl_renderer, SDL_BLENDMODE_NONE);
//SDL_SetRenderDrawColor(0,0,0,255);
SDL_SetRenderDrawColor(sdl->sdl_renderer, 0,0,0,0);
SDL_RenderFillRect(sdl->sdl_renderer, NULL);
sdl->blittimer--;
}
// compute centering parameters
vofs = hofs = 0.0f;
if (video_config.centerv || video_config.centerh)
{
int ch, cw;
if ((window->fullscreen) && (!video_config.switchres))
{
ch = window->monitor->center_height;
cw = window->monitor->center_width;
}
else
{
ch = window->height;
cw = window->width;
}
if (video_config.centerv)
{
vofs = (ch - window->blitheight) / 2.0f;
}
if (video_config.centerh)
{
hofs = (cw - window->blitwidth) / 2.0f;
}
}
sdl->last_hofs = hofs;
sdl->last_vofs = vofs;
window->primlist->acquire_lock();
// now draw
for (prim = window->primlist->first(); prim != NULL; prim = prim->next())
{
Uint8 sr, sg, sb, sa;
switch (prim->type)
{
case render_primitive::LINE:
sr = (int)(255.0f * prim->color.r);
sg = (int)(255.0f * prim->color.g);
sb = (int)(255.0f * prim->color.b);
sa = (int)(255.0f * prim->color.a);
SDL_SetRenderDrawBlendMode(sdl->sdl_renderer, map_blendmode(PRIMFLAG_GET_BLENDMODE(prim->flags)));
SDL_SetRenderDrawColor(sdl->sdl_renderer, sr, sg, sb, sa);
SDL_RenderDrawLine(sdl->sdl_renderer, prim->bounds.x0 + hofs, prim->bounds.y0 + vofs,
prim->bounds.x1 + hofs, prim->bounds.y1 + vofs);
break;
case render_primitive::QUAD:
texture = texture_update(window, prim);
if (texture)
blit_pixels += (texture->rawheight * texture->rawwidth);
render_quad(sdl, texture, prim,
round_nearest(hofs + prim->bounds.x0),
round_nearest(vofs + prim->bounds.y0));
break;
default:
throw emu_fatalerror("Unexpected render_primitive type\n");
}
}
window->primlist->release_lock();
sdl->last_blit_pixels = blit_pixels;
sdl->last_blit_time = -osd_ticks();
SDL_RenderPresent(sdl->sdl_renderer);
sdl->last_blit_time += osd_ticks();
return 0;
}
