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Implement overlay support in EGLRenderer

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Fixes #405
This commit is contained in:
Cameron Gutman
2020-12-16 22:09:00 -06:00
parent cd5b0e74e3
commit e5bcc793e5
5 changed files with 239 additions and 46 deletions
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app/streaming/video/ffmpeg-renderers/eglvid.h
+20 -1
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@@ -17,16 +17,26 @@ public:
private:
bool compileShader();
void renderOverlay(Overlay::OverlayType type);
unsigned compileShader(const char* vertexShaderSrc, const char* fragmentShaderSrc);
bool compileShaders();
bool specialize();
const float *getColorOffsets();
const float *getColorMatrix();
static int loadAndBuildShader(int shaderType, const char *filename);
bool openDisplay(unsigned int platform, void* nativeDisplay);
int m_ViewportWidth;
int m_ViewportHeight;
int m_SwPixelFormat;
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;
@@ -39,6 +49,15 @@ private:
PFNGLBINDVERTEXARRAYOESPROC m_glBindVertexArrayOES;
PFNGLDELETEVERTEXARRAYSOESPROC m_glDeleteVertexArraysOES;
#define PARAM_YUVMAT 0
#define PARAM_OFFSET 1
#define PARAM_PLANE1 2
#define PARAM_PLANE2 3
int m_ShaderProgramParams[4];
#define PARAM_TEXTURE 0
int m_OverlayShaderProgramParams[1];
int m_OldContextProfileMask;
int m_OldContextMajorVersion;
int m_OldContextMinorVersion;