skia2/tools/vulkan/VulkanTestContext.h
jvanverth a4b0fed3b7 Remove AttachmentInfo from VulkanViewer setup
It's not necessary to pass this information back up to the client;
we can store it in the TestContext if needed for Surface creation.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1920163004

Review-Url: https://codereview.chromium.org/1920163004
2016-04-27 11:42:21 -07:00

115 lines
3.9 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 VulkanTestContext_DEFINED
#define VulkanTestContext_DEFINED
#ifdef SK_VULKAN
#include "GrTypes.h"
#include "vk/GrVkBackendContext.h"
class SkSurface;
class GrContext;
class VulkanTestContext {
public:
~VulkanTestContext();
// each platform will have to implement these in its CPP file
static VkSurfaceKHR createVkSurface(VkInstance, void* platformData);
static bool canPresent(VkInstance, VkPhysicalDevice, uint32_t queueFamilyIndex);
static VulkanTestContext* Create(void* platformData, int msaaSampleCount) {
VulkanTestContext* ctx = new VulkanTestContext(platformData, msaaSampleCount);
if (!ctx->isValid()) {
delete ctx;
return nullptr;
}
return ctx;
}
SkSurface* getBackbufferSurface();
void swapBuffers();
bool makeCurrent() { return true; }
bool isValid() { return SkToBool(fBackendContext.get()); }
void resize(uint32_t w, uint32_t h) {
this->createSwapchain(w, h);
}
GrBackendContext getBackendContext() { return (GrBackendContext)fBackendContext.get(); }
private:
VulkanTestContext();
VulkanTestContext(void*, int msaaSampleCount);
void initializeContext(void*);
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(uint32_t width, uint32_t height);
void createBuffers(VkFormat format);
void destroyBuffers();
SkAutoTUnref<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;
};
// 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_vkCreateSharedSwapchainsKHR> fCreateSharedSwapchainsKHR;
GrContext* fContext;
VkSurfaceKHR fSurface;
VkSwapchainKHR fSwapchain;
uint32_t fPresentQueueIndex;
VkQueue fPresentQueue;
int fWidth;
int fHeight;
GrPixelConfig fPixelConfig;
uint32_t fImageCount;
VkImage* fImages; // images in the swapchain
VkImageLayout* fImageLayouts; // layouts of these images when not color attachment
sk_sp<SkSurface>* fSurfaces; // wrapped surface for those images
VkCommandPool fCommandPool;
BackbufferInfo* fBackbuffers;
uint32_t fCurrentBackbufferIndex;
};
#endif // SK_VULKAN
#endif