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112 lines
4.5 KiB
112 lines
4.5 KiB
// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ANDROID_VIRTIO_GPU_OPS
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#define ANDROID_VIRTIO_GPU_OPS
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/* virtio-gpu interface for color buffers
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* (triggered by minigbm/egl calling virtio-gpu ioctls) */
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typedef void (*create_color_buffer_with_handle_t)(
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uint32_t width,
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uint32_t height,
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uint32_t format,
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uint32_t fwkFormat,
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uint32_t handle);
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/* create YUV textures with given width and height
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type: FRAMEWORK_FORMAT_NV12 or FRAMEWORK_FORMAT_YUV_420_888
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count: how many set of textures will be created
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output: caller allocated storage to hold results: size should
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be 2*count for NV12 or 3*cout for YUV_420_888
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*/
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typedef void (*create_yuv_textures_t)(uint32_t type,
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uint32_t count,
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int width,
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int height,
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uint32_t* output);
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/* destroy YUV textures */
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typedef void (*destroy_yuv_textures_t)(uint32_t type,
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uint32_t count,
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uint32_t* textures);
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/* call the user provided func with privData to update the content
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of textures.
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type: FRAMEWORK_FORMAT_NV12 or FRAMEWORK_FORMAT_YUV_420_888
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textures: size 2 (NV12) or 3 (YUV420)
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*/
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typedef void (*update_yuv_textures_t)(uint32_t type,
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uint32_t* textures,
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void* privData,
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void* func);
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/* swap out the yuv textures of the colorbuffer, and use the new yuv textures
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* to update colorbuffer content; on return, textures will have the retired
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* yuv textures that are free to hold new data
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*/
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typedef void (*swap_textures_and_update_color_buffer_t)(
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uint32_t colorbufferhandle,
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int x,
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int y,
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int width,
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int height,
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uint32_t format,
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uint32_t type,
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uint32_t texture_type,
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uint32_t* textures);
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typedef void (*open_color_buffer_t)(uint32_t handle);
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typedef void (*close_color_buffer_t)(uint32_t handle);
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typedef void (*update_color_buffer_t)(
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uint32_t handle, int x, int y, int width, int height,
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uint32_t format, uint32_t type, void* pixels);
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typedef void (*read_color_buffer_t)(
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uint32_t handle, int x, int y, int width, int height,
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uint32_t format, uint32_t type, void* pixels);
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typedef void (*read_color_buffer_yuv_t)(
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uint32_t handle, int x, int y, int width, int height,
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void* pixels, uint32_t pixels_size);
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typedef void (*post_color_buffer_t)(uint32_t handle);
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typedef void (*repost_t)(void);
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typedef uint32_t (*get_last_posted_color_buffer_t)(void);
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typedef void (*bind_color_buffer_to_texture_t)(uint32_t);
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typedef void* (*get_global_egl_context_t)(void);
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typedef void (*wait_for_gpu_t)(uint64_t eglsync);
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typedef void (*wait_for_gpu_vulkan_t)(uint64_t device, uint64_t fence);
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typedef void (*set_guest_managed_color_buffer_lifetime_t)(bool guest_managed);
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struct AndroidVirtioGpuOps {
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create_color_buffer_with_handle_t create_color_buffer_with_handle;
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open_color_buffer_t open_color_buffer;
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close_color_buffer_t close_color_buffer;
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update_color_buffer_t update_color_buffer;
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read_color_buffer_t read_color_buffer;
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read_color_buffer_yuv_t read_color_buffer_yuv;
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post_color_buffer_t post_color_buffer;
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repost_t repost;
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/* yuv texture related */
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create_yuv_textures_t create_yuv_textures;
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destroy_yuv_textures_t destroy_yuv_textures;
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update_yuv_textures_t update_yuv_textures;
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swap_textures_and_update_color_buffer_t
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swap_textures_and_update_color_buffer;
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/* virtual device widget related */
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get_last_posted_color_buffer_t get_last_posted_color_buffer;
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bind_color_buffer_to_texture_t bind_color_buffer_to_texture;
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get_global_egl_context_t get_global_egl_context;
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wait_for_gpu_t wait_for_gpu;
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wait_for_gpu_vulkan_t wait_for_gpu_vulkan;
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set_guest_managed_color_buffer_lifetime_t set_guest_managed_color_buffer_lifetime;
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};
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#endif // ANDROID_VIRTIO_GPU_OPS
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