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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 
133 // Batched descriptor set update
134 static const char kVulkanBatchedDescriptorSetUpdate[] = "ANDROID_EMU_vulkan_batched_descriptor_set_update";
135 
136 // DMA for readback
137 static const char kReadColorBufferDma[] = "ANDROID_EMU_read_color_buffer_dma";
138 
139 // Struct describing available emulator features
140 struct EmulatorFeatureInfo {
141 
EmulatorFeatureInfoEmulatorFeatureInfo142     EmulatorFeatureInfo() :
143         syncImpl(SYNC_IMPL_NONE),
144         dmaImpl(DMA_IMPL_NONE),
145         hostComposition(HOST_COMPOSITION_NONE),
146         glesMaxVersion(GLES_MAX_VERSION_2),
147         hasDirectMem(false),
148         hasVulkan(false),
149         hasDeferredVulkanCommands(false),
150         hasVulkanNullOptionalStrings(false),
151         hasVulkanCreateResourcesWithRequirements(false),
152         hasVulkanIgnoredHandles(false),
153         hasYUVCache (false),
154         hasAsyncUnmapBuffer (false),
155         hasVirtioGpuNext (false),
156         hasSharedSlotsHostMemoryAllocator(false),
157         hasVulkanFreeMemorySync(false),
158         hasVirtioGpuNativeSync(false),
159         hasVulkanShaderFloat16Int8(false),
160         hasVulkanAsyncQueueSubmit(false),
161         hasHostSideTracing(false),
162         hasAsyncFrameCommands(false),
163         hasVulkanQueueSubmitWithCommands(false),
164         hasVulkanBatchedDescriptorSetUpdate(false),
165         hasSyncBufferData(false),
166         hasReadColorBufferDma(false)
167     { }
168 
169     SyncImpl syncImpl;
170     DmaImpl dmaImpl;
171     HostComposition hostComposition;
172     GLESMaxVersion glesMaxVersion;
173     bool hasDirectMem;
174     bool hasVulkan;
175     bool hasDeferredVulkanCommands;
176     bool hasVulkanNullOptionalStrings;
177     bool hasVulkanCreateResourcesWithRequirements;
178     bool hasVulkanIgnoredHandles;
179     bool hasYUVCache;
180     bool hasAsyncUnmapBuffer;
181     bool hasVirtioGpuNext;
182     bool hasSharedSlotsHostMemoryAllocator;
183     bool hasVulkanFreeMemorySync;
184     bool hasVirtioGpuNativeSync;
185     bool hasVulkanShaderFloat16Int8;
186     bool hasVulkanAsyncQueueSubmit;
187     bool hasHostSideTracing;
188     bool hasAsyncFrameCommands;
189     bool hasVulkanQueueSubmitWithCommands;
190     bool hasVulkanBatchedDescriptorSetUpdate;
191     bool hasSyncBufferData;
192     bool hasReadColorBufferDma;
193 };
194 
195 enum HostConnectionType {
196     HOST_CONNECTION_TCP = 0,
197     HOST_CONNECTION_QEMU_PIPE = 1,
198     HOST_CONNECTION_VIRTIO_GPU = 2,
199     HOST_CONNECTION_ADDRESS_SPACE = 3,
200     HOST_CONNECTION_VIRTIO_GPU_PIPE = 4,
201     HOST_CONNECTION_VIRTIO_GPU_ADDRESS_SPACE = 5,
202 };
203 
204 enum GrallocType {
205     GRALLOC_TYPE_RANCHU = 0,
206     GRALLOC_TYPE_MINIGBM = 1,
207     GRALLOC_TYPE_DYN_ALLOC_MINIGBM = 2,
208 };
209 
210 #endif // __COMMON_EMULATOR_FEATURE_INFO_H
211