1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* 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 "include/core/SkRefCnt.h"
#include "include/gpu/vk/GrVkMemoryAllocator.h"
#include "include/gpu/vk/GrVkTypes.h"
class GrVkExtensions;
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,
};
// It is not guarenteed VkPhysicalDeviceProperties2 will be in the client's header so we forward
// declare it here to be safe.
struct VkPhysicalDeviceFeatures2;
// 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) needs to be created
// in or transitioned to that family. The refs held by members of this struct must be released
// (either by deleting the struct or manually releasing the refs) before the underlying vulkan
// device and instance are destroyed.
struct SK_API GrVkBackendContext {
VkInstance fInstance;
VkPhysicalDevice fPhysicalDevice;
VkDevice fDevice;
VkQueue fQueue;
uint32_t fGraphicsQueueIndex;
uint32_t fMinAPIVersion; // Deprecated. Set fInstanceVersion instead.
uint32_t fInstanceVersion = 0; // Deprecated. Set fMaxApiVersion instead
// The max api version set here should match the value set in VkApplicationInfo::apiVersion when
// then VkInstance was created.
uint32_t fMaxAPIVersion = 0;
uint32_t fExtensions = 0; // Deprecated. Use fVkExtensions instead.
const GrVkExtensions* fVkExtensions = nullptr;
uint32_t fFeatures; // Deprecated. Use fDeviceFeatures[2] instead.
// The client can create their VkDevice with either a VkPhysicalDeviceFeatures or
// VkPhysicalDeviceFeatures2 struct, thus we have to support taking both. The
// VkPhysicalDeviceFeatures2 struct is needed so we know if the client enabled any extension
// specific features. If fDeviceFeatures2 is not null then we ignore fDeviceFeatures. If both
// fDeviceFeatures and fDeviceFeatures2 are null we will assume no features are enabled.
const VkPhysicalDeviceFeatures* fDeviceFeatures = nullptr;
const VkPhysicalDeviceFeatures2* fDeviceFeatures2 = nullptr;
sk_sp<GrVkMemoryAllocator> fMemoryAllocator;
GrVkGetProc fGetProc = nullptr;
// This is deprecated and should be set to false. The client is responsible for managing the
// lifetime of the VkInstance and VkDevice objects.
bool fOwnsInstanceAndDevice = false;
// Indicates that we are working with protected content and all CommandPool and Queue operations
// should be done in a protected context.
GrProtected fProtectedContext = GrProtected::kNo;
};
#endif
|
