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Diffstat (limited to 'third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.h')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.h b/third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.h new file mode 100644 index 0000000000..22a8f5ab52 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/linux/wayland/egl_dmabuf.h @@ -0,0 +1,74 @@ +/* + * Copyright 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_EGL_DMABUF_H_ +#define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_EGL_DMABUF_H_ + +#include <epoxy/egl.h> +#include <epoxy/gl.h> +#include <gbm.h> + +#include <memory> +#include <string> +#include <vector> + +#include "absl/types/optional.h" +#include "modules/desktop_capture/desktop_geometry.h" + +namespace webrtc { + +class EglDmaBuf { + public: + struct EGLStruct { + std::vector<std::string> extensions; + EGLDisplay display = EGL_NO_DISPLAY; + EGLContext context = EGL_NO_CONTEXT; + }; + + struct PlaneData { + int32_t fd; + uint32_t stride; + uint32_t offset; + }; + + EglDmaBuf(); + ~EglDmaBuf(); + + // Returns whether the image was successfully imported from + // given DmaBuf and its parameters + bool ImageFromDmaBuf(const DesktopSize& size, + uint32_t format, + const std::vector<PlaneData>& plane_datas, + uint64_t modifiers, + const DesktopVector& offset, + const DesktopSize& buffer_size, + uint8_t* data); + std::vector<uint64_t> QueryDmaBufModifiers(uint32_t format); + + bool IsEglInitialized() const { return egl_initialized_; } + + private: + bool GetClientExtensions(EGLDisplay dpy, EGLint name); + + bool egl_initialized_ = false; + bool has_image_dma_buf_import_ext_ = false; + int32_t drm_fd_ = -1; // for GBM buffer mmap + gbm_device* gbm_device_ = nullptr; // for passed GBM buffer retrieval + + GLuint fbo_ = 0; + GLuint texture_ = 0; + EGLStruct egl_; + + absl::optional<std::string> GetRenderNode(); +}; + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_EGL_DMABUF_H_ |