moonlight-qt/app/streaming/video/ffmpeg-renderers/eglvid.h
2022-01-20 18:02:44 -06:00

75 lines
2.6 KiB
C++

#pragma once
#include "renderer.h"
#include <SDL_opengles2.h>
#include <SDL_opengles2_gl2ext.h>
class EGLRenderer : public IFFmpegRenderer {
public:
EGLRenderer(IFFmpegRenderer *backendRenderer);
virtual ~EGLRenderer() override;
virtual bool initialize(PDECODER_PARAMETERS params) override;
virtual bool prepareDecoderContext(AVCodecContext* context, AVDictionary** options) override;
virtual void renderFrame(AVFrame* frame) override;
virtual bool testRenderFrame(AVFrame* frame) override;
virtual void notifyOverlayUpdated(Overlay::OverlayType) override;
virtual bool isPixelFormatSupported(int videoFormat, enum AVPixelFormat pixelFormat) override;
virtual AVPixelFormat getPreferredPixelFormat(int videoFormat) override;
private:
void renderOverlay(Overlay::OverlayType type);
unsigned compileShader(const char* vertexShaderSrc, const char* fragmentShaderSrc);
bool compileShaders();
bool specialize();
const float *getColorOffsets(const AVFrame* frame);
const float *getColorMatrix(const AVFrame* frame);
static int loadAndBuildShader(int shaderType, const char *filename);
bool openDisplay(unsigned int platform, void* nativeDisplay);
int m_ViewportWidth;
int m_ViewportHeight;
AVPixelFormat m_EGLImagePixelFormat;
void *m_EGLDisplay;
unsigned m_Textures[EGL_MAX_PLANES];
unsigned m_OverlayTextures[Overlay::OverlayMax];
unsigned m_OverlayVbos[Overlay::OverlayMax];
SDL_atomic_t m_OverlayHasValidData[Overlay::OverlayMax];
unsigned m_ShaderProgram;
unsigned m_OverlayShaderProgram;
SDL_GLContext m_Context;
SDL_Window *m_Window;
IFFmpegRenderer *m_Backend;
unsigned int m_VAO;
bool m_BlockingSwapBuffers;
AVFrame* m_LastFrame;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_glEGLImageTargetTexture2DOES;
PFNGLGENVERTEXARRAYSOESPROC m_glGenVertexArraysOES;
PFNGLBINDVERTEXARRAYOESPROC m_glBindVertexArrayOES;
PFNGLDELETEVERTEXARRAYSOESPROC m_glDeleteVertexArraysOES;
int m_GlesMajorVersion;
int m_GlesMinorVersion;
bool m_HasExtUnpackSubimage;
#define NV12_PARAM_YUVMAT 0
#define NV12_PARAM_OFFSET 1
#define NV12_PARAM_PLANE1 2
#define NV12_PARAM_PLANE2 3
#define OPAQUE_PARAM_TEXTURE 0
int m_ShaderProgramParams[4];
#define OVERLAY_PARAM_TEXTURE 0
int m_OverlayShaderProgramParams[1];
int m_OldContextProfileMask;
int m_OldContextMajorVersion;
int m_OldContextMinorVersion;
SDL_Renderer *m_DummyRenderer;
// HACK: Work around bug where renderer will repeatedly fail with:
// SDL_CreateRenderer() failed: Could not create GLES window surface
static SDL_Window* s_LastFailedWindow;
};