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SDL 2.0 Reference manual in Japanese
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sdl2referencejp: Commit

SDL2.0の日本語リファレンスマニュアル

--- a/SDL_Vulkan_GetDrawableSize.html

+++ b/SDL_Vulkan_GetDrawableSize.html

		@@ -25,9 +25,28 @@
25	25	<p>
26	26	<code>
27	27	<pre>
	28	+// C++17ならばstd::clamp()を使う
	29	+#define CLAMP(x, lo, hi) ((x) < (lo) ? (lo) : (x) > (hi) ? (hi) : (x))
	30	+
	31	+SDL_Window *window;
	32	+VkSurfaceKHR surface;
	33	+VkPhysicalDevice physicalDevice;
	34	+
	35	+// window = SDL_CreateWindow(...);
	36	+if (!SDL_Vulkan_CreateSurface(window, instance, &surface)) {
	37	+ // handle error
	38	+}
	39	+// physicalDevice = ...;
	40	+
	41	+// ...
	42	+
	43	+VkSurfaceCapabilitiesKHR capabilities;
	44	+vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &capabilities);
28	45	int width;
29	46	int height;
30	47	SDL_Vulkan_GetDrawableSize(window, &width, &height);
	48	+width = CLAMP(width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
	49	+height = CLAMP(height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
31	50	</pre>
32	51	</code>
33	52	<h2>詳細</h2>