1 //
2 // Copyright 2018 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 // DisplayVkAndroid.cpp:
7 // Implements the class methods for DisplayVkAndroid.
8 //
9
10 #include "libANGLE/renderer/vulkan/android/DisplayVkAndroid.h"
11
12 #include <android/log.h>
13 #include <android/native_window.h>
14 #include <vulkan/vulkan.h>
15
16 #include "common/angle_version_info.h"
17 #include "libANGLE/renderer/driver_utils.h"
18 #include "libANGLE/renderer/vulkan/RendererVk.h"
19 #include "libANGLE/renderer/vulkan/android/HardwareBufferImageSiblingVkAndroid.h"
20 #include "libANGLE/renderer/vulkan/android/WindowSurfaceVkAndroid.h"
21 #include "libANGLE/renderer/vulkan/vk_caps_utils.h"
22
23 namespace rx
24 {
25
DisplayVkAndroid(const egl::DisplayState & state)26 DisplayVkAndroid::DisplayVkAndroid(const egl::DisplayState &state) : DisplayVk(state) {}
27
initialize(egl::Display * display)28 egl::Error DisplayVkAndroid::initialize(egl::Display *display)
29 {
30 ANGLE_TRY(DisplayVk::initialize(display));
31
32 std::stringstream strstr;
33 strstr << "Version (" << angle::GetANGLEVersionString() << "), ";
34 strstr << "Renderer (" << mRenderer->getRendererDescription() << ")";
35 __android_log_print(ANDROID_LOG_INFO, "ANGLE", "%s", strstr.str().c_str());
36
37 return egl::NoError();
38 }
39
isValidNativeWindow(EGLNativeWindowType window) const40 bool DisplayVkAndroid::isValidNativeWindow(EGLNativeWindowType window) const
41 {
42 return (ANativeWindow_getFormat(window) >= 0);
43 }
44
createWindowSurfaceVk(const egl::SurfaceState & state,EGLNativeWindowType window)45 SurfaceImpl *DisplayVkAndroid::createWindowSurfaceVk(const egl::SurfaceState &state,
46 EGLNativeWindowType window)
47 {
48 return new WindowSurfaceVkAndroid(state, window);
49 }
50
generateConfigs()51 egl::ConfigSet DisplayVkAndroid::generateConfigs()
52 {
53 // ANGLE's Vulkan back-end on Android traditionally supports EGLConfig's with GL_RGBA8,
54 // GL_RGB8, and GL_RGB565. The Android Vulkan loader used to support all three of these
55 // (e.g. Android 7), but this has changed as Android now supports Vulkan devices that do not
56 // support all of those formats. The loader always supports GL_RGBA8. Other formats are
57 // optionally supported, depending on the underlying driver support. This includes GL_RGB10_A2
58 // and GL_RGBA16F, which ANGLE also desires to support EGLConfig's with.
59 //
60 // The problem for ANGLE is that Vulkan requires a VkSurfaceKHR in order to query available
61 // formats from the loader, but ANGLE must determine which EGLConfig's to expose before it has
62 // a VkSurfaceKHR. The VK_GOOGLE_surfaceless_query extension allows ANGLE to query formats
63 // without having a VkSurfaceKHR. The old path is still kept until this extension becomes
64 // universally available.
65
66 // Assume GL_RGB8 and GL_RGBA8 is always available.
67 std::vector<GLenum> kColorFormats = {GL_RGBA8, GL_RGB8};
68 std::vector<GLenum> kDesiredColorFormats = {GL_RGB565, GL_RGB10_A2, GL_RGBA16F};
69 if (!getRenderer()->getFeatures().supportsSurfacelessQueryExtension.enabled)
70 {
71 // Old path: Assume GL_RGB565 is available, as it is generally available on the devices
72 // that support Vulkan.
73 kColorFormats.push_back(GL_RGB565);
74 }
75 else
76 {
77 // DisplayVk should have already queried and cached supported surface formats.
78 for (GLenum glFormat : kDesiredColorFormats)
79 {
80 VkFormat vkFormat = mRenderer->getFormat(glFormat).getActualRenderableImageVkFormat();
81 ASSERT(vkFormat != VK_FORMAT_UNDEFINED);
82 if (isConfigFormatSupported(vkFormat))
83 {
84 kColorFormats.push_back(glFormat);
85 }
86 }
87 }
88
89 std::vector<GLenum> depthStencilFormats(
90 egl_vk::kConfigDepthStencilFormats,
91 egl_vk::kConfigDepthStencilFormats + ArraySize(egl_vk::kConfigDepthStencilFormats));
92
93 if (getCaps().stencil8)
94 {
95 depthStencilFormats.push_back(GL_STENCIL_INDEX8);
96 }
97 return egl_vk::GenerateConfigs(kColorFormats.data(), kColorFormats.size(),
98 depthStencilFormats.data(), depthStencilFormats.size(), this);
99 }
100
enableRecordableIfSupported(egl::Config * config)101 void DisplayVkAndroid::enableRecordableIfSupported(egl::Config *config)
102 {
103 // TODO(b/181163023): Determine how to properly query for support. This is a hack to unblock
104 // launching SwANGLE on Cuttlefish.
105 // anglebug.com/6612: This is also required for app compatiblity.
106 config->recordable = true;
107 }
108
checkConfigSupport(egl::Config * config)109 void DisplayVkAndroid::checkConfigSupport(egl::Config *config)
110 {
111 // TODO(geofflang): Test for native support and modify the config accordingly.
112 // anglebug.com/2692
113
114 enableRecordableIfSupported(config);
115 }
116
validateImageClientBuffer(const gl::Context * context,EGLenum target,EGLClientBuffer clientBuffer,const egl::AttributeMap & attribs) const117 egl::Error DisplayVkAndroid::validateImageClientBuffer(const gl::Context *context,
118 EGLenum target,
119 EGLClientBuffer clientBuffer,
120 const egl::AttributeMap &attribs) const
121 {
122 switch (target)
123 {
124 case EGL_NATIVE_BUFFER_ANDROID:
125 return HardwareBufferImageSiblingVkAndroid::ValidateHardwareBuffer(
126 mRenderer, clientBuffer, attribs);
127
128 default:
129 return DisplayVk::validateImageClientBuffer(context, target, clientBuffer, attribs);
130 }
131 }
132
createExternalImageSibling(const gl::Context * context,EGLenum target,EGLClientBuffer buffer,const egl::AttributeMap & attribs)133 ExternalImageSiblingImpl *DisplayVkAndroid::createExternalImageSibling(
134 const gl::Context *context,
135 EGLenum target,
136 EGLClientBuffer buffer,
137 const egl::AttributeMap &attribs)
138 {
139 switch (target)
140 {
141 case EGL_NATIVE_BUFFER_ANDROID:
142 return new HardwareBufferImageSiblingVkAndroid(buffer);
143
144 default:
145 return DisplayVk::createExternalImageSibling(context, target, buffer, attribs);
146 }
147 }
148
getWSIExtension() const149 const char *DisplayVkAndroid::getWSIExtension() const
150 {
151 return VK_KHR_ANDROID_SURFACE_EXTENSION_NAME;
152 }
153
IsVulkanAndroidDisplayAvailable()154 bool IsVulkanAndroidDisplayAvailable()
155 {
156 return true;
157 }
158
CreateVulkanAndroidDisplay(const egl::DisplayState & state)159 DisplayImpl *CreateVulkanAndroidDisplay(const egl::DisplayState &state)
160 {
161 return new DisplayVkAndroid(state);
162 }
163 } // namespace rx
164