diff options
Diffstat (limited to 'en/devices/graphics/implement-vulkan.html')
| -rw-r--r-- | en/devices/graphics/implement-vulkan.html | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/en/devices/graphics/implement-vulkan.html b/en/devices/graphics/implement-vulkan.html index ca5c1a08..918343e1 100644 --- a/en/devices/graphics/implement-vulkan.html +++ b/en/devices/graphics/implement-vulkan.html @@ -81,7 +81,7 @@ for discovering and loading the driver. Preferred paths for 32-bit and 64-bit Vulkan drivers are:</p> <p> -<pre> +<pre class="devsite-click-to-copy"> /vendor/lib/hw/vulkan.<ro.product.platform>.so /vendor/lib64/hw/vulkan.<ro.product.platform>.so </pre> @@ -176,7 +176,7 @@ the platform asks the driver to translate the requested format and image usage flags into gralloc usage flags by calling:</p> <p> -<pre> +<pre class="devsite-click-to-copy"> VkResult VKAPI vkGetSwapchainGrallocUsageANDROID( VkDevice device, VkFormat format, @@ -203,7 +203,7 @@ VK_SWAP_CHAIN_INFO_TYPE_IMAGES_WSI ..)</code>. The WSI implementation allocates the number of native buffers requested for the swapchain, then creates a <code>VkImage</code> for each one:</p> -<p><pre> +<pre class="devsite-click-to-copy"> typedef struct { VkStructureType sType; // must be VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID const void* pNext; @@ -216,12 +216,12 @@ typedef struct { int format; int usage; } VkNativeBufferANDROID; -</pre></p> +</pre> <p>When creating a gralloc-backed image, the <code>VkImageCreateInfo</code> has the following data:</p> -<p><pre> +<pre class="devsite-click-to-copy"> .imageType = VK_IMAGE_TYPE_2D .format = a VkFormat matching the format requested for the gralloc buffer .extent = the 2D dimensions requested for the gralloc buffer @@ -241,7 +241,7 @@ the following data:</p> and imports an externally-signalled native fence into both an existing <code>VkSemaphore</code> object and an existing <code>VkFence</code> object:</p> -<p><pre> +<pre class="devsite-click-to-copy"> VkResult VKAPI vkAcquireImageANDROID( VkDevice device, VkImage image, @@ -249,7 +249,7 @@ VkResult VKAPI vkAcquireImageANDROID( VkSemaphore semaphore, VkFence fence ); -</pre></p> +</pre> <p>This function is called during <code>vkAcquireNextImageWSI</code> to import a native fence into the <code>VkSemaphore</code> and <code>VkFence</code> objects @@ -274,13 +274,13 @@ it is as if the native fence was already signalled.</p> external use, and creates a native fence and schedules it to be signalled when prior work on the queue has completed:</p> -<p><pre> +<pre class="devsite-click-to-copy"> VkResult VKAPI vkQueueSignalReleaseImageANDROID( VkQueue queue, VkImage image, int* pNativeFenceFd ); -</pre></p> +</pre> <p>This API is called during <code>vkQueuePresentWSI</code> on the provided queue. Effects are similar to <code>vkQueueSignalSemaphore</code>, except with a |