skia2/tools/sk_app/VulkanWindowContext.h
Greg Daniel 059a9ab4bc Revert "Make GrVkBackendContext no longer derive from SkRefCnt."
This reverts commit 93ae233773.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Make GrVkBackendContext no longer derive from SkRefCnt.
> 
> Also moves the helper Create functions to VkTestUtils since no clients
> are using them anymore.
> 
> Bug: skia:
> Change-Id: I7e8e4912e7ef6fb00a7e2a00407aed5e83211799
> Reviewed-on: https://skia-review.googlesource.com/135323
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,jvanverth@google.com,bsalomon@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: skia:
Change-Id: If7201917631dc22753ea3fa6e9d2984463e38e4c
Reviewed-on: https://skia-review.googlesource.com/137903
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
2018-06-27 15:53:55 +00:00

119 lines
4.2 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef VulkanWindowContext_DEFINED
#define VulkanWindowContext_DEFINED
#include "SkTypes.h" // required to pull in any SkUserConfig defines
#ifdef SK_VULKAN
#include "vk/GrVkBackendContext.h"
#include "WindowContext.h"
class GrRenderTarget;
namespace sk_app {
class VulkanWindowContext : public WindowContext {
public:
~VulkanWindowContext() override;
sk_sp<SkSurface> getBackbufferSurface() override;
void swapBuffers() override;
bool isValid() override { return SkToBool(fBackendContext.get()); }
void resize(int w, int h) override {
this->createSwapchain(w, h, fDisplayParams);
}
void setDisplayParams(const DisplayParams& params) override {
this->destroyContext();
fDisplayParams = params;
this->initializeContext();
}
/** Platform specific function that creates a VkSurfaceKHR for a window */
using CreateVkSurfaceFn = std::function<VkSurfaceKHR(VkInstance)>;
/** Platform specific function that determines whether presentation will succeed. */
using CanPresentFn = GrVkBackendContext::CanPresentFn;
VulkanWindowContext(const DisplayParams&, CreateVkSurfaceFn, CanPresentFn,
PFN_vkGetInstanceProcAddr, PFN_vkGetDeviceProcAddr);
private:
void initializeContext();
void destroyContext();
struct BackbufferInfo {
uint32_t fImageIndex; // image this is associated with
VkSemaphore fAcquireSemaphore; // we signal on this for acquisition of image
VkSemaphore fRenderSemaphore; // we wait on this for rendering to be done
VkCommandBuffer fTransitionCmdBuffers[2]; // to transition layout between present and render
VkFence fUsageFences[2]; // used to ensure this data is no longer used on GPU
};
BackbufferInfo* getAvailableBackbuffer();
bool createSwapchain(int width, int height, const DisplayParams& params);
void createBuffers(VkFormat format, SkColorType colorType);
void destroyBuffers();
sk_sp<const GrVkBackendContext> fBackendContext;
// simple wrapper class that exists only to initialize a pointer to NULL
template <typename FNPTR_TYPE> class VkPtr {
public:
VkPtr() : fPtr(NULL) {}
VkPtr operator=(FNPTR_TYPE ptr) { fPtr = ptr; return *this; }
operator FNPTR_TYPE() const { return fPtr; }
private:
FNPTR_TYPE fPtr;
};
// Create functions
CreateVkSurfaceFn fCreateVkSurfaceFn;
CanPresentFn fCanPresentFn;
// Vulkan GetProcAddr functions
VkPtr<PFN_vkGetInstanceProcAddr> fGetInstanceProcAddr;
VkPtr<PFN_vkGetDeviceProcAddr> fGetDeviceProcAddr;
// WSI interface functions
VkPtr<PFN_vkDestroySurfaceKHR> fDestroySurfaceKHR;
VkPtr<PFN_vkGetPhysicalDeviceSurfaceSupportKHR> fGetPhysicalDeviceSurfaceSupportKHR;
VkPtr<PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR> fGetPhysicalDeviceSurfaceCapabilitiesKHR;
VkPtr<PFN_vkGetPhysicalDeviceSurfaceFormatsKHR> fGetPhysicalDeviceSurfaceFormatsKHR;
VkPtr<PFN_vkGetPhysicalDeviceSurfacePresentModesKHR> fGetPhysicalDeviceSurfacePresentModesKHR;
VkPtr<PFN_vkCreateSwapchainKHR> fCreateSwapchainKHR;
VkPtr<PFN_vkDestroySwapchainKHR> fDestroySwapchainKHR;
VkPtr<PFN_vkGetSwapchainImagesKHR> fGetSwapchainImagesKHR;
VkPtr<PFN_vkAcquireNextImageKHR> fAcquireNextImageKHR;
VkPtr<PFN_vkQueuePresentKHR> fQueuePresentKHR;
VkPtr<PFN_vkGetDeviceQueue> fGetDeviceQueue;
VkSurfaceKHR fSurface;
VkSwapchainKHR fSwapchain;
uint32_t fPresentQueueIndex;
VkQueue fPresentQueue;
uint32_t fImageCount;
VkImage* fImages; // images in the swapchain
VkImageLayout* fImageLayouts; // layouts of these images when not color attachment
sk_sp<SkSurface>* fSurfaces; // surfaces client renders to (may not be based on rts)
VkCommandPool fCommandPool;
BackbufferInfo* fBackbuffers;
uint32_t fCurrentBackbufferIndex;
};
} // namespace sk_app
#endif // SK_VULKAN
#endif