skia2/include/gpu/vk/GrVkBackendContext.h
Jim Van Verth 6a40abc8c7 Revert "Implement window rectangles in vulkan"
This reverts commit 94c0468b2b.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Implement window rectangles in vulkan
> 
> Bug: skia:
> Change-Id: I32c079b90a5503c797dfc073a093f940cd8c550a
> Reviewed-on: https://skia-review.googlesource.com/65423
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

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

Change-Id: I5a90cb57fb5d4bcf8c7e76a5f71a7f16edbaf6be
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/67060
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
2017-11-02 16:56:19 +00:00

93 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 GrVkBackendContext_DEFINED
#define GrVkBackendContext_DEFINED
#include "SkRefCnt.h"
#include "vk/GrVkDefines.h"
#include "vk/GrVkInterface.h"
enum GrVkExtensionFlags {
kEXT_debug_report_GrVkExtensionFlag = 0x0001,
kNV_glsl_shader_GrVkExtensionFlag = 0x0002,
kKHR_surface_GrVkExtensionFlag = 0x0004,
kKHR_swapchain_GrVkExtensionFlag = 0x0008,
kKHR_win32_surface_GrVkExtensionFlag = 0x0010,
kKHR_android_surface_GrVkExtensionFlag = 0x0020,
kKHR_xcb_surface_GrVkExtensionFlag = 0x0040,
};
enum GrVkFeatureFlags {
kGeometryShader_GrVkFeatureFlag = 0x0001,
kDualSrcBlend_GrVkFeatureFlag = 0x0002,
kSampleRateShading_GrVkFeatureFlag = 0x0004,
};
// The BackendContext contains all of the base Vulkan objects needed by the GrVkGpu. The assumption
// is that the client will set these up and pass them to the GrVkGpu constructor. The VkDevice
// created must support at least one graphics queue, which is passed in as well.
// The QueueFamilyIndex must match the family of the given queue. It is needed for CommandPool
// creation, and any GrBackendObjects handed to us (e.g., for wrapped textures) need to be created
// in or transitioned to that family.
struct GrVkBackendContext : public SkRefCnt {
VkInstance fInstance;
VkPhysicalDevice fPhysicalDevice;
VkDevice fDevice;
VkQueue fQueue;
uint32_t fGraphicsQueueIndex;
uint32_t fMinAPIVersion;
uint32_t fExtensions;
uint32_t fFeatures;
sk_sp<const GrVkInterface> fInterface;
/**
* Controls whether this object destroys the instance and device upon destruction. The default
* is temporarily 'true' to avoid breaking existing clients but will be changed to 'false'.
*/
bool fOwnsInstanceAndDevice = true;
using CanPresentFn = std::function<bool(VkInstance, VkPhysicalDevice,
uint32_t queueFamilyIndex)>;
/**
* Helper function to create the Vulkan objects needed for a Vulkan-backed GrContext.
* Note that the version that uses the unified "GetProc" instead of separate "GetInstanceProc"
* and "GetDeviceProc" functions will be removed.
*
* If presentQueueIndex is non-NULL, will try to set up presentQueue as part of device
* creation using the platform-specific canPresent() function.
*
* This will set fOwnsInstanceAndDevice to 'true'. If it is subsequently set to 'false' then
* the client owns the lifetime of the created VkDevice and VkInstance.
*/
static const GrVkBackendContext* Create(uint32_t* presentQueueIndex = nullptr,
CanPresentFn = CanPresentFn(),
GrVkInterface::GetProc getProc = nullptr);
static const GrVkBackendContext* Create(const GrVkInterface::GetInstanceProc& getInstanceProc,
const GrVkInterface::GetDeviceProc& getDeviceProc,
uint32_t* presentQueueIndex = nullptr,
CanPresentFn canPresent = CanPresentFn()) {
if (!getInstanceProc || !getDeviceProc) {
return nullptr;
}
auto getProc = [&getInstanceProc, &getDeviceProc](const char* proc_name,
VkInstance instance, VkDevice device) {
if (device != VK_NULL_HANDLE) {
return getDeviceProc(device, proc_name);
}
return getInstanceProc(instance, proc_name);
};
return Create(presentQueueIndex, canPresent, getProc);
}
~GrVkBackendContext() override;
};
#endif