SDL_gpu implementation for rendering floating images.

src/storyscreen/part.cpp

@@ -90,6 +90,29 @@ floating_image::render_input floating_image::get_render_input(double xscale, dou
 	}
 	return ri;
 #else
+#ifdef SDL_GPU
+	render_input ri = {
+		{0,0,0,0},
+		file_.empty() ? sdl::ttexture() : image::get_texture(file_)
+	};
+
+	if(!ri.image.null()) {
+		if(autoscaled_) {
+			ri.image.set_scale(xscale, yscale);
+		}
+
+		ri.rect.x = static_cast<int>(x_*xscale) + dst_rect.x;
+		ri.rect.y = static_cast<int>(y_*yscale) + dst_rect.y;
+		ri.rect.w = ri.image.width();
+		ri.rect.h = ri.image.height();
+
+		if(centered_) {
+			ri.rect.x -= ri.rect.w / 2;
+			ri.rect.y -= ri.rect.h / 2;
+		}
+	}
+	return ri;
+#else
 	render_input ri = {
 		{0,0,0,0},
 		file_.empty() ? NULL : image::get_image(file_)
@@ -116,6 +139,7 @@ floating_image::render_input floating_image::get_render_input(double xscale, dou
 	}
 	return ri;
 #endif
+#endif
 }
 
 background_layer::background_layer()

src/storyscreen/part.hpp

@@ -45,8 +45,12 @@ class floating_image
 		SDL_Rect rect;	/**< Corrected rectangle for rendering surf. */
 #if SDL_VERSION_ATLEAST(2,0,0)
 		sdl::ttexture image;
+#else
+#ifdef SDL_GPU
+		sdl::ttexture image;
 #else
 		surface image;	/**< Surface, scaled if required. */
+#endif
 #endif
 	};
 

src/storyscreen/render.cpp

@@ -422,6 +422,37 @@ bool part_ui::render_floating_images()
 
 	return true;
 #else
+#ifdef SDL_GPU
+	GPU_Target *target = get_render_target();
+
+	skip_ = false;
+	last_key_ = true;
+
+	size_t fi_n = 0;
+	BOOST_FOREACH(floating_image::render_input& ri, imgs_) {
+		const floating_image& fi = p_.get_floating_images()[fi_n];
+
+		if(!ri.image.null()) {
+			ri.image.draw(*target, ri.rect.x, ri.rect.y);
+			GPU_Flip(target);
+		}
+
+		if (!skip_)
+		{
+			int delay = fi.display_delay(), delay_step = 20;
+			for (int i = 0; i != (delay + delay_step - 1) / delay_step; ++i)
+			{
+				if (handle_interface()) return false;
+				if (skip_) break;
+				disp_.delay(std::min<int>(delay_step, delay - i * delay_step));
+			}
+		}
+
+		++fi_n;
+	}
+
+	return true;
+#else
 	events::raise_draw_event();
 	update_whole_screen();
 
@@ -453,6 +484,7 @@ bool part_ui::render_floating_images()
 
 	return true;
 #endif
+#endif
 }
 
 void part_ui::render_title_box()