Fix text lines on very large screens

git-svn-id: http://svn.net-core.org/repos/t-engine4@4388 51575b47-30f0-44d4-a5cc-537603b46e54

src/core_lua.c

@@ -566,6 +566,7 @@ static font_make_texture_line(lua_State *L, SDL_Surface *s, int id, bool is_sepa
 	lua_rawseti(L, -2, id);
 }
 
+extern GLint max_texture_size;
 static int sdl_font_draw(lua_State *L)
 {
 	TTF_Font **f = (TTF_Font**)auxiliar_checkclass(L, "sdl{font}", 1);
@@ -578,7 +579,9 @@ static int sdl_font_draw(lua_State *L)
 	int h = TTF_FontLineSkip(*f);
 	SDL_Color color = {r,g,b};
 
-	if (max_width >= 1024) max_width = 1024;
+	int fullmax = max_texture_size / 2;
+	if (fullmax < 1024) fullmax = 1024;
+	if (max_width >= fullmax) max_width = fullmax;
 
 	Uint32 rmask, gmask, bmask, amask;
 #if SDL_BYTEORDER == SDL_BIG_ENDIAN

src/main.c

@@ -74,6 +74,7 @@ SDL_TimerID display_timer_id = NULL;
 SDL_TimerID realtime_timer_id = NULL;
 
 /* OpenGL capabilities */
+GLint max_texture_size = 1024;
 extern bool shaders_active;
 bool fbo_active;
 bool multitexture_active;
@@ -725,9 +726,8 @@ int resizeWindow(int width, int height)
 
 	SDL_SetGamma(gamma_correction, gamma_correction, gamma_correction);
 
-	GLint texSize;
-	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &texSize);
-	printf("OpenGL max texture size: %d\n", texSize);
+	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
+	printf("OpenGL max texture size: %d\n", max_texture_size);
 
 
 	return( TRUE );