moonlight-qt/app/streaming/video/ffmpeg-renderers/drm.h
Cameron Gutman 26d04b5f9c Render DRM-PRIME frames as opaque images
We can't always assume they are NV12. Even if they _are_ NV12,
they may have DRM format modifiers that are incompatible with
simply assuming linear Y and UV buffers (such as tiling).
2021-03-21 23:23:12 -05:00

45 lines
1.5 KiB
C++

#pragma once
#include "renderer.h"
#include <xf86drm.h>
#include <xf86drmMode.h>
class DrmRenderer : public IFFmpegRenderer {
public:
DrmRenderer();
virtual ~DrmRenderer() override;
virtual bool initialize(PDECODER_PARAMETERS params) override;
virtual bool prepareDecoderContext(AVCodecContext* context, AVDictionary** options) override;
virtual void renderFrame(AVFrame* frame) override;
virtual enum AVPixelFormat getPreferredPixelFormat(int videoFormat) override;
virtual int getRendererAttributes() override;
virtual bool needsTestFrame() override;
virtual bool isDirectRenderingSupported() override;
#ifdef HAVE_EGL
virtual bool canExportEGL() override;
virtual AVPixelFormat getEGLImagePixelFormat() override;
virtual bool initializeEGL(EGLDisplay dpy, const EGLExtensions &ext) override;
virtual ssize_t exportEGLImages(AVFrame *frame, EGLDisplay dpy, EGLImage images[EGL_MAX_PLANES]) override;
virtual void freeEGLImages(EGLDisplay dpy, EGLImage[EGL_MAX_PLANES]) override;
#endif
private:
AVBufferRef* m_HwContext;
int m_DrmFd;
bool m_SdlOwnsDrmFd;
bool m_SupportsDirectRendering;
uint32_t m_CrtcId;
uint32_t m_PlaneId;
uint32_t m_CurrentFbId;
SDL_Rect m_OutputRect;
#ifdef HAVE_EGL
bool m_EGLExtDmaBuf;
PFNEGLCREATEIMAGEPROC m_eglCreateImage;
PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;
PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR;
#endif
};