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1 // Copyright (C) 2018 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 #ifndef __COMMON_EMULATOR_FEATURE_INFO_H
15 #define __COMMON_EMULATOR_FEATURE_INFO_H
16 
17 // SyncImpl determines the presence of host/guest OpenGL fence sync
18 // capabilities. It corresponds exactly to EGL_ANDROID_native_fence_sync
19 // capability, but for the emulator, we need to make sure that
20 // OpenGL pipe protocols match, so we use a special extension name
21 // here.
22 // SYNC_IMPL_NONE means that the native fence sync capability is
23 // not present, and we will end up using the equivalent of glFinish
24 // in order to preserve buffer swapping order.
25 // SYNC_IMPL_NATIVE_SYNC means that we do have native fence sync
26 // capability, and we will use a fence fd to synchronize buffer swaps.
27 enum SyncImpl {
28     SYNC_IMPL_NONE = 0,
29     SYNC_IMPL_NATIVE_SYNC_V2 = 1, // ANDROID_native_fence_sync
30     SYNC_IMPL_NATIVE_SYNC_V3 = 2, // KHR_wait_sync
31     SYNC_IMPL_NATIVE_SYNC_V4 = 3, // Correct eglGetSyncAttribKHR
32 };
33 
34 // Interface for native sync:
35 // Use the highest that shows up
36 static const char kRCNativeSyncV2[] = "ANDROID_EMU_native_sync_v2";
37 static const char kRCNativeSyncV3[] = "ANDROID_EMU_native_sync_v3";
38 static const char kRCNativeSyncV4[] = "ANDROID_EMU_native_sync_v4";
39 
40 // DMA for OpenGL
41 enum DmaImpl {
42     DMA_IMPL_NONE = 0,
43     DMA_IMPL_v1 = 1,
44 };
45 
46 static const char kDmaExtStr_v1[] = "ANDROID_EMU_dma_v1";
47 
48 // OpenGL ES max supported version
49 enum GLESMaxVersion {
50     GLES_MAX_VERSION_2 = 0,
51     GLES_MAX_VERSION_3_0 = 1,
52     GLES_MAX_VERSION_3_1 = 2,
53     GLES_MAX_VERSION_3_2 = 3,
54 };
55 
56 static const char kGLESMaxVersion_2[] = "ANDROID_EMU_gles_max_version_2";
57 static const char kGLESMaxVersion_3_0[] = "ANDROID_EMU_gles_max_version_3_0";
58 static const char kGLESMaxVersion_3_1[] = "ANDROID_EMU_gles_max_version_3_1";
59 static const char kGLESMaxVersion_3_2[] = "ANDROID_EMU_gles_max_version_3_2";
60 
61 enum HostComposition {
62     HOST_COMPOSITION_NONE = 0,
63     HOST_COMPOSITION_V1,
64     HOST_COMPOSITION_V2,
65 };
66 
67 static const char kHostCompositionV1[] = "ANDROID_EMU_host_composition_v1";
68 static const char kHostCompositionV2[] = "ANDROID_EMU_host_composition_v2";
69 
70 // No querying errors from host extension
71 static const char kGLESNoHostError[] = "ANDROID_EMU_gles_no_host_error";
72 
73 // Host to guest memory mapping
74 static const char kGLDirectMem[] = "ANDROID_EMU_direct_mem";
75 
76 // Vulkan host support
77 // To be delivered/enabled when at least the following is working/available:
78 // - HOST_COHERENT memory mapping
79 // - Full gralloc interop: External memory, AHB
80 static const char kVulkan[] = "ANDROID_EMU_vulkan";
81 
82 // Deferred Vulkan commands
83 static const char kDeferredVulkanCommands[] = "ANDROID_EMU_deferred_vulkan_commands";
84 
85 // Vulkan null optional strings
86 static const char kVulkanNullOptionalStrings[] = "ANDROID_EMU_vulkan_null_optional_strings";
87 
88 // Vulkan create resources with requirements
89 static const char kVulkanCreateResourcesWithRequirements[] = "ANDROID_EMU_vulkan_create_resources_with_requirements";
90 
91 // Vulkan ignored handles
92 static const char kVulkanIgnoredHandles[] = "ANDROID_EMU_vulkan_ignored_handles";
93 
94 // YUV host cache
95 static const char kYUVCache[] = "ANDROID_EMU_YUV_Cache";
96 
97 // GL protocol v2
98 static const char kAsyncUnmapBuffer[] = "ANDROID_EMU_async_unmap_buffer";
99 
100 // virtio-gpu-next
101 static const char kVirtioGpuNext[] = "ANDROID_EMU_virtio_gpu_next";
102 
103 static const char kHasSharedSlotsHostMemoryAllocator[] = "ANDROID_EMU_has_shared_slots_host_memory_allocator";
104 
105 // Vulkan free memory sync
106 static const char kVulkanFreeMemorySync[] = "ANDROID_EMU_vulkan_free_memory_sync";
107 
108 // virtio-gpu syncfd support
109 static const char kVirtioGpuNativeSync[] = "ANDROID_EMU_virtio_gpu_native_sync";
110 
111 // Vulkan extension that required a protocol update (new marshaling structs)
112 static const char kVulkanShaderFloat16Int8[] = "ANDROID_EMU_vulkan_shader_float16_int8";
113 
114 // Vulkan async queue submit
115 static const char kVulkanAsyncQueueSubmit[] = "ANDROID_EMU_vulkan_async_queue_submit";
116 
117 // A flag to _not_ ignore host opengl errors (now host opengl errors are ignored by default)
118 static const char kGLESUseHostError[] = "ANDROID_EMU_gles_use_host_error";
119 
120 // Host side tracing
121 static const char kHostSideTracing[] = "ANDROID_EMU_host_side_tracing";
122 
123 // Make current async
124 static const char kAsyncFrameCommands[] = "ANDROID_EMU_async_frame_commands";
125 
126 // Queue submit with commands
127 static const char kVulkanQueueSubmitWithCommands[] = "ANDROID_EMU_vulkan_queue_submit_with_commands";
128 //
129 // Synchronized glBufferData call
130 static const char kSyncBufferData[] = "ANDROID_EMU_sync_buffer_data";
131 
132 // Batched descriptor set update
133 static const char kVulkanBatchedDescriptorSetUpdate[] = "ANDROID_EMU_vulkan_batched_descriptor_set_update";
134 
135 // Async QSRI
136 static const char kVulkanAsyncQsri[] = "ANDROID_EMU_vulkan_async_qsri";
137 
138 // DMA for readback
139 static const char kReadColorBufferDma[] = "ANDROID_EMU_read_color_buffer_dma";
140 
141 // HWC multiple display configs
142 static const char kHWCMultiConfigs[] = "ANDROID_EMU_hwc_multi_configs";
143 
144 // Struct describing available emulator features
145 struct EmulatorFeatureInfo {
146 
EmulatorFeatureInfoEmulatorFeatureInfo147     EmulatorFeatureInfo() :
148         syncImpl(SYNC_IMPL_NONE),
149         dmaImpl(DMA_IMPL_NONE),
150         hostComposition(HOST_COMPOSITION_NONE),
151         glesMaxVersion(GLES_MAX_VERSION_2),
152         hasDirectMem(false),
153         hasVulkan(false),
154         hasDeferredVulkanCommands(false),
155         hasVulkanNullOptionalStrings(false),
156         hasVulkanCreateResourcesWithRequirements(false),
157         hasVulkanIgnoredHandles(false),
158         hasYUVCache (false),
159         hasAsyncUnmapBuffer (false),
160         hasVirtioGpuNext (false),
161         hasSharedSlotsHostMemoryAllocator(false),
162         hasVulkanFreeMemorySync(false),
163         hasVirtioGpuNativeSync(false),
164         hasVulkanShaderFloat16Int8(false),
165         hasVulkanAsyncQueueSubmit(false),
166         hasHostSideTracing(false),
167         hasAsyncFrameCommands(false),
168         hasVulkanQueueSubmitWithCommands(false),
169         hasVulkanBatchedDescriptorSetUpdate(false),
170         hasSyncBufferData(false),
171         hasVulkanAsyncQsri(false),
172         hasReadColorBufferDma(false),
173         hasHWCMultiConfigs(false)
174     { }
175 
176     SyncImpl syncImpl;
177     DmaImpl dmaImpl;
178     HostComposition hostComposition;
179     GLESMaxVersion glesMaxVersion;
180     bool hasDirectMem;
181     bool hasVulkan;
182     bool hasDeferredVulkanCommands;
183     bool hasVulkanNullOptionalStrings;
184     bool hasVulkanCreateResourcesWithRequirements;
185     bool hasVulkanIgnoredHandles;
186     bool hasYUVCache;
187     bool hasAsyncUnmapBuffer;
188     bool hasVirtioGpuNext;
189     bool hasSharedSlotsHostMemoryAllocator;
190     bool hasVulkanFreeMemorySync;
191     bool hasVirtioGpuNativeSync;
192     bool hasVulkanShaderFloat16Int8;
193     bool hasVulkanAsyncQueueSubmit;
194     bool hasHostSideTracing;
195     bool hasAsyncFrameCommands;
196     bool hasVulkanQueueSubmitWithCommands;
197     bool hasVulkanBatchedDescriptorSetUpdate;
198     bool hasSyncBufferData;
199     bool hasVulkanAsyncQsri;
200     bool hasReadColorBufferDma;
201     bool hasHWCMultiConfigs;
202 };
203 
204 enum HostConnectionType {
205     HOST_CONNECTION_TCP = 0,
206     HOST_CONNECTION_QEMU_PIPE = 1,
207     HOST_CONNECTION_VIRTIO_GPU = 2,
208     HOST_CONNECTION_ADDRESS_SPACE = 3,
209     HOST_CONNECTION_VIRTIO_GPU_PIPE = 4,
210     HOST_CONNECTION_VIRTIO_GPU_ADDRESS_SPACE = 5,
211 };
212 
213 enum GrallocType {
214     GRALLOC_TYPE_RANCHU = 0,
215     GRALLOC_TYPE_MINIGBM = 1,
216     GRALLOC_TYPE_DYN_ALLOC_MINIGBM = 2,
217 };
218 
219 #endif // __COMMON_EMULATOR_FEATURE_INFO_H
220