From 1e41d7f7b0855934744fe578ba4eae9209ee69f7 Mon Sep 17 00:00:00 2001 From: Chad Versace Date: Tue, 10 Jan 2017 17:29:08 -0800 Subject: [PATCH] anv: Support loader interface version 3 (patch v2) This patch implements vk_icdNegotiateLoaderICDInterfaceVersion(), which brings us to loader interface v3. v2: - Drop the pragmas. [emil] - Advertise v3 instead of v2. Anvil supported more than I thought. [jason] - s/Surface/SurfaceKHR/ in comments. [emil] Reviewed-by: Emil Velikov Cc: mesa-stable@lists.freedesktop.org Cc: Jason Ekstrand --- src/intel/vulkan/anv_device.c | 44 +++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c index f58d1ac24b5..6349537d172 100644 --- a/src/intel/vulkan/anv_device.c +++ b/src/intel/vulkan/anv_device.c @@ -2034,3 +2034,47 @@ void anv_DestroyFramebuffer( vk_free2(&device->alloc, pAllocator, fb); } + +/* vk_icd.h does not declare this function, so we declare it here to + * suppress Wmissing-prototypes. + */ +PUBLIC VKAPI_ATTR VkResult VKAPI_CALL +vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t* pSupportedVersion); + +PUBLIC VKAPI_ATTR VkResult VKAPI_CALL +vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t* pSupportedVersion) +{ + /* For the full details on loader interface versioning, see + * . + * What follows is a condensed summary, to help you navigate the large and + * confusing official doc. + * + * - Loader interface v0 is incompatible with later versions. We don't + * support it. + * + * - In loader interface v1: + * - The first ICD entrypoint called by the loader is + * vk_icdGetInstanceProcAddr(). The ICD must statically expose this + * entrypoint. + * - The ICD must statically expose no other Vulkan symbol unless it is + * linked with -Bsymbolic. + * - Each dispatchable Vulkan handle created by the ICD must be + * a pointer to a struct whose first member is VK_LOADER_DATA. The + * ICD must initialize VK_LOADER_DATA.loadMagic to ICD_LOADER_MAGIC. + * - The loader implements vkCreate{PLATFORM}SurfaceKHR() and + * vkDestroySurfaceKHR(). The ICD must be capable of working with + * such loader-managed surfaces. + * + * - Loader interface v2 differs from v1 in: + * - The first ICD entrypoint called by the loader is + * vk_icdNegotiateLoaderICDInterfaceVersion(). The ICD must + * statically expose this entrypoint. + * + * - Loader interface v3 differs from v2 in: + * - The ICD must implement vkCreate{PLATFORM}SurfaceKHR(), + * vkDestroySurfaceKHR(), and other API which uses VKSurfaceKHR, + * because the loader no longer does so. + */ + *pSupportedVersion = MIN2(*pSupportedVersion, 3u); + return VK_SUCCESS; +} -- 2.30.2