Files
moonlight-qt/app/streaming/video/ffmpeg-renderers/drm.h
2021-01-31 16:24:31 -06:00

74 lines
2.6 KiB
C++

#pragma once
#include "renderer.h"
#include <xf86drm.h>
#include <xf86drmMode.h>
#ifdef HAVE_EGL
#include <SDL_egl.h>
#ifndef EGL_VERSION_1_5
typedef intptr_t EGLAttrib;
typedef EGLImage (EGLAPIENTRYP PFNEGLCREATEIMAGEPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEPROC) (EGLDisplay dpy, EGLImage image);
#endif
#ifndef EGL_KHR_image
// EGL_KHR_image technically uses EGLImageKHR instead of EGLImage, but they're compatible
// so we swap them here to avoid mixing them all over the place
typedef EGLImage (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImage image);
#endif
#ifndef EGL_EXT_image_dma_buf_import
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#endif
#ifndef EGL_EXT_image_dma_buf_import_modifiers
#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
#endif
#endif
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 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
PFNEGLCREATEIMAGEPROC m_eglCreateImage;
PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;
PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR;
#endif
};