3251ed8405
- Refactor runtime lookup of Vulkan functions - Support Magma surfaces - Add build flags to toggle Vulkan support BUG=skia: Change-Id: Ic71965c453507882521443006c4155c7481a9a3f Reviewed-on: https://skia-review.googlesource.com/9342 Commit-Queue: Greg Daniel <egdaniel@google.com> Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Greg Daniel <egdaniel@google.com> Reviewed-by: Michael Jurka <mikejurka@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrVkBackendContext_DEFINED
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#define GrVkBackendContext_DEFINED
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#include "SkRefCnt.h"
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#include "vk/GrVkDefines.h"
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#include "vk/GrVkInterface.h"
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enum GrVkExtensionFlags {
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kEXT_debug_report_GrVkExtensionFlag = 0x0001,
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kNV_glsl_shader_GrVkExtensionFlag = 0x0002,
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kKHR_surface_GrVkExtensionFlag = 0x0004,
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kKHR_swapchain_GrVkExtensionFlag = 0x0008,
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kKHR_win32_surface_GrVkExtensionFlag = 0x0010,
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kKHR_android_surface_GrVkExtensionFlag = 0x0020,
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kKHR_xcb_surface_GrVkExtensionFlag = 0x0040,
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};
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enum GrVkFeatureFlags {
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kGeometryShader_GrVkFeatureFlag = 0x0001,
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kDualSrcBlend_GrVkFeatureFlag = 0x0002,
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kSampleRateShading_GrVkFeatureFlag = 0x0004,
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};
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// The BackendContext contains all of the base Vulkan objects needed by the GrVkGpu. The assumption
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// is that the client will set these up and pass them to the GrVkGpu constructor. The VkDevice
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// created must support at least one graphics queue, which is passed in as well.
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// The QueueFamilyIndex must match the family of the given queue. It is needed for CommandPool
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// creation, and any GrBackendObjects handed to us (e.g., for wrapped textures) need to be created
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// in or transitioned to that family.
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struct GrVkBackendContext : public SkRefCnt {
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VkInstance fInstance;
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VkPhysicalDevice fPhysicalDevice;
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VkDevice fDevice;
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VkQueue fQueue;
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uint32_t fGraphicsQueueIndex;
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uint32_t fMinAPIVersion;
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uint32_t fExtensions;
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uint32_t fFeatures;
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sk_sp<const GrVkInterface> fInterface;
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using CanPresentFn = std::function<bool(VkInstance, VkPhysicalDevice,
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uint32_t queueFamilyIndex)>;
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// Helper function to create the default Vulkan objects needed by the GrVkGpu object
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// If getProc is NULL, a default getProc will be constructed if we are statically linking
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// against Vulkan.
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// If presentQueueIndex is non-NULL, will try to set up presentQueue as part of device
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// creation using the platform-specific canPresent() function.
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static const GrVkBackendContext* Create(uint32_t* presentQueueIndex = nullptr,
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CanPresentFn = CanPresentFn(),
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GrVkInterface::GetProc getProc = nullptr);
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~GrVkBackendContext() override;
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};
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#endif
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