2d967209ad
This API tells the user whether the chosen implementation is goldfish gralloc, cros_gralloc (minigbm), or emulated gralloc. Use with caution. Reviewed-by: Aaron Ruby <aruby@blackberry.com> Acked-by: Yonggang Luo <luoyonggang@gmail.com> Acked-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27246>
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
// Copyright 2024 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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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <vector>
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#include "VirtGpu.h"
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#include "gfxstream/guest/Gralloc.h"
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namespace gfxstream {
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using EGLClientBuffer = void*;
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class EmulatedAHardwareBuffer {
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public:
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EmulatedAHardwareBuffer(uint32_t width, uint32_t height, uint32_t drmFormat,
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VirtGpuResourcePtr resource);
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~EmulatedAHardwareBuffer();
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uint32_t getResourceId() const;
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uint32_t getWidth() const;
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uint32_t getHeight() const;
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int getAndroidFormat() const;
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uint32_t getDrmFormat() const;
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AHardwareBuffer* asAHardwareBuffer();
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buffer_handle_t asBufferHandle();
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EGLClientBuffer asEglClientBuffer();
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void acquire();
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void release();
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int lock(uint8_t** ptr);
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int lockPlanes(std::vector<Gralloc::LockedPlane>* ahbPlanes);
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int unlock();
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private:
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uint32_t mRefCount;
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uint32_t mWidth;
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uint32_t mHeight;
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uint32_t mDrmFormat;
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VirtGpuResourcePtr mResource;
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std::optional<VirtGpuResourceMappingPtr> mMapped;
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};
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class EmulatedGralloc : public Gralloc {
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public:
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EmulatedGralloc(VirtGpuDevice* device);
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~EmulatedGralloc();
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GrallocType getGrallocType() override;
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uint32_t createColorBuffer(void*, int width, int height, uint32_t glFormat) override;
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int allocate(uint32_t width, uint32_t height, uint32_t format, uint64_t usage,
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AHardwareBuffer** outputAhb) override;
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AHardwareBuffer* allocate(uint32_t width, uint32_t height, uint32_t format);
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void acquire(AHardwareBuffer* ahb) override;
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void release(AHardwareBuffer* ahb) override;
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int lock(AHardwareBuffer* ahb, uint8_t** ptr) override;
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int lockPlanes(AHardwareBuffer* ahb, std::vector<LockedPlane>* ahbPlanes) override;
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int unlock(AHardwareBuffer* ahb) override;
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uint32_t getHostHandle(const native_handle_t* handle) override;
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uint32_t getHostHandle(const AHardwareBuffer* handle) override;
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const native_handle_t* getNativeHandle(const AHardwareBuffer* ahb) override;
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int getFormat(const native_handle_t* handle) override;
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int getFormat(const AHardwareBuffer* handle) override;
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uint32_t getFormatDrmFourcc(const AHardwareBuffer* handle) override;
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uint32_t getWidth(const AHardwareBuffer* ahb) override;
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uint32_t getHeight(const AHardwareBuffer* ahb) override;
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size_t getAllocatedSize(const native_handle_t*) override;
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size_t getAllocatedSize(const AHardwareBuffer*) override;
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int getId(const AHardwareBuffer* ahb, uint64_t* id) override;
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private:
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VirtGpuDevice* mDevice;
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std::vector<std::unique_ptr<EmulatedAHardwareBuffer>> mOwned;
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};
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} // namespace gfxstream
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