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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         // Use the VK_GOOGLE_surfaceless_query extension to query the available formats and
78         // colorspaces by using a VK_NULL_HANDLE for the VkSurfaceKHR handle.
79         VkPhysicalDevice physicalDevice              = mRenderer->getPhysicalDevice();
80         VkPhysicalDeviceSurfaceInfo2KHR surfaceInfo2 = {};
81         surfaceInfo2.sType          = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR;
82         surfaceInfo2.surface        = VK_NULL_HANDLE;
83         uint32_t surfaceFormatCount = 0;
84 
85         VkResult result = vkGetPhysicalDeviceSurfaceFormats2KHR(physicalDevice, &surfaceInfo2,
86                                                                 &surfaceFormatCount, nullptr);
87         if (result != VK_SUCCESS)
88         {
89             return egl::ConfigSet();
90         }
91         std::vector<VkSurfaceFormat2KHR> surfaceFormats2(surfaceFormatCount);
92         for (VkSurfaceFormat2KHR &surfaceFormat2 : surfaceFormats2)
93         {
94             surfaceFormat2.sType = VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR;
95         }
96         result = vkGetPhysicalDeviceSurfaceFormats2KHR(physicalDevice, &surfaceInfo2,
97                                                        &surfaceFormatCount, surfaceFormats2.data());
98         if (result != VK_SUCCESS)
99         {
100             return egl::ConfigSet();
101         }
102 
103         for (const VkSurfaceFormat2KHR &surfaceFormat2 : surfaceFormats2)
104         {
105             // Need to convert each Vulkan VkFormat into its GLES equivalent and
106             // add formats in kDesiredColorFormats.
107             angle::FormatID angleFormatID =
108                 vk::GetFormatIDFromVkFormat(surfaceFormat2.surfaceFormat.format);
109             const angle::Format &angleFormat = angle::Format::Get(angleFormatID);
110             GLenum glFormat                  = angleFormat.glInternalFormat;
111 
112             if (std::find(kDesiredColorFormats.begin(), kDesiredColorFormats.end(), glFormat) !=
113                 kDesiredColorFormats.end())
114             {
115                 kColorFormats.push_back(glFormat);
116             }
117         }
118     }
119 
120     std::vector<GLenum> depthStencilFormats(
121         egl_vk::kConfigDepthStencilFormats,
122         egl_vk::kConfigDepthStencilFormats + ArraySize(egl_vk::kConfigDepthStencilFormats));
123 
124     if (getCaps().stencil8)
125     {
126         depthStencilFormats.push_back(GL_STENCIL_INDEX8);
127     }
128     return egl_vk::GenerateConfigs(kColorFormats.data(), kColorFormats.size(),
129                                    depthStencilFormats.data(), depthStencilFormats.size(), this);
130 }
131 
enableRecordableIfSupported(egl::Config * config)132 void DisplayVkAndroid::enableRecordableIfSupported(egl::Config *config)
133 {
134     // TODO(b/181163023): Determine how to properly query for support. This is a hack to unblock
135     // launching SwANGLE on Cuttlefish.
136     // anglebug.com/6612: This is also required for app compatiblity.
137     config->recordable = true;
138 }
139 
checkConfigSupport(egl::Config * config)140 void DisplayVkAndroid::checkConfigSupport(egl::Config *config)
141 {
142     // TODO(geofflang): Test for native support and modify the config accordingly.
143     // anglebug.com/2692
144 
145     enableRecordableIfSupported(config);
146 }
147 
validateImageClientBuffer(const gl::Context * context,EGLenum target,EGLClientBuffer clientBuffer,const egl::AttributeMap & attribs) const148 egl::Error DisplayVkAndroid::validateImageClientBuffer(const gl::Context *context,
149                                                        EGLenum target,
150                                                        EGLClientBuffer clientBuffer,
151                                                        const egl::AttributeMap &attribs) const
152 {
153     switch (target)
154     {
155         case EGL_NATIVE_BUFFER_ANDROID:
156             return HardwareBufferImageSiblingVkAndroid::ValidateHardwareBuffer(
157                 mRenderer, clientBuffer, attribs);
158 
159         default:
160             return DisplayVk::validateImageClientBuffer(context, target, clientBuffer, attribs);
161     }
162 }
163 
createExternalImageSibling(const gl::Context * context,EGLenum target,EGLClientBuffer buffer,const egl::AttributeMap & attribs)164 ExternalImageSiblingImpl *DisplayVkAndroid::createExternalImageSibling(
165     const gl::Context *context,
166     EGLenum target,
167     EGLClientBuffer buffer,
168     const egl::AttributeMap &attribs)
169 {
170     switch (target)
171     {
172         case EGL_NATIVE_BUFFER_ANDROID:
173             return new HardwareBufferImageSiblingVkAndroid(buffer);
174 
175         default:
176             return DisplayVk::createExternalImageSibling(context, target, buffer, attribs);
177     }
178 }
179 
getWSIExtension() const180 const char *DisplayVkAndroid::getWSIExtension() const
181 {
182     return VK_KHR_ANDROID_SURFACE_EXTENSION_NAME;
183 }
184 
IsVulkanAndroidDisplayAvailable()185 bool IsVulkanAndroidDisplayAvailable()
186 {
187     return true;
188 }
189 
CreateVulkanAndroidDisplay(const egl::DisplayState & state)190 DisplayImpl *CreateVulkanAndroidDisplay(const egl::DisplayState &state)
191 {
192     return new DisplayVkAndroid(state);
193 }
194 }  // namespace rx
195