mirror of
https://github.com/jojo61/vdr-plugin-softhdcuvid.git
synced 2023-10-10 13:37:41 +02:00
522 lines
16 KiB
C++
522 lines
16 KiB
C++
#ifndef __SOFTHDDEVICE_OPENGLOSD_H
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#define __SOFTHDDEVICE_OPENGLOSD_H
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#include <GL/glew.h>
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#include <GL/freeglut.h>
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#include <GL/gl.h>
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#define GLM_FORCE_RADIANS
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <math.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_LCD_FILTER_H
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#include FT_STROKER_H
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#undef __FTERRORS_H__
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#define FT_ERRORDEF( e, v, s ) { e, s },
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#define FT_ERROR_START_LIST {
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#define FT_ERROR_END_LIST { 0, 0 } };
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const struct {
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int code;
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const char* message;
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} FT_Errors[] =
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#include FT_ERRORS_H
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#include <memory>
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#include <queue>
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#include <vdr/plugin.h>
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#include <vdr/osd.h>
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#include <vdr/thread.h>
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#include "softhddev.h"
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extern "C"
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{
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#include <stdint.h>
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#include <libavcodec/avcodec.h>
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#include "audio.h"
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#include "video.h"
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#include "codec.h"
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}
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extern "C" pthread_mutex_t OSDMutex;
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struct sOglImage {
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GLuint texture;
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GLint width;
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GLint height;
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bool used;
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};
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/****************************************************************************************
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* Helpers
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****************************************************************************************/
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void ConvertColor(const GLint &colARGB, glm::vec4 &col);
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/****************************************************************************************
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* cShader
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****************************************************************************************/
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enum eShaderType {
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stRect,
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stTexture,
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stText,
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stCount
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};
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class cShader {
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private:
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eShaderType type;
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GLuint id;
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bool Compile(const char *vertexCode, const char *fragmentCode);
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bool CheckCompileErrors(GLuint object, bool program = false);
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public:
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cShader(void) {};
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virtual ~cShader(void) {};
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bool Load(eShaderType type);
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void Use(void);
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void SetFloat (const GLchar *name, GLfloat value);
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void SetInteger (const GLchar *name, GLint value);
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void SetVector2f (const GLchar *name, GLfloat x, GLfloat y);
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void SetVector3f (const GLchar *name, GLfloat x, GLfloat y, GLfloat z);
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void SetVector4f (const GLchar *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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void SetMatrix4 (const GLchar *name, const glm::mat4 &matrix);
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};
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/****************************************************************************************
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* cOglGlyph
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****************************************************************************************/
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class cOglGlyph : public cListObject {
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private:
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struct tKerning {
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public:
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tKerning(uint prevSym, GLfloat kerning = 0.0f) {
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this->prevSym = prevSym;
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this->kerning = kerning;
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}
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uint prevSym;
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GLfloat kerning;
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};
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uint charCode;
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int bearingLeft;
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int bearingTop;
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int width;
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int height;
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int advanceX;
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cVector<tKerning> kerningCache;
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GLuint texture;
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void LoadTexture(FT_BitmapGlyph ftGlyph);
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public:
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cOglGlyph(uint charCode, FT_BitmapGlyph ftGlyph);
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virtual ~cOglGlyph();
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uint CharCode(void) { return charCode; }
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int AdvanceX(void) { return advanceX; }
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int BearingLeft(void) const { return bearingLeft; }
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int BearingTop(void) const { return bearingTop; }
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int Width(void) const { return width; }
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int Height(void) const { return height; }
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int GetKerningCache(uint prevSym);
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void SetKerningCache(uint prevSym, int kerning);
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void BindTexture(void);
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};
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/****************************************************************************************
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* cOglFont
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****************************************************************************************/
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class cOglFont : public cListObject {
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private:
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static bool initiated;
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cString name;
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int size;
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int height;
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int bottom;
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static FT_Library ftLib;
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FT_Face face;
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static cList<cOglFont> *fonts;
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mutable cList<cOglGlyph> glyphCache;
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cOglFont(const char *fontName, int charHeight);
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static void Init(void);
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public:
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virtual ~cOglFont(void);
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static cOglFont *Get(const char *name, int charHeight);
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static void Cleanup(void);
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const char *Name(void) { return *name; };
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int Size(void) { return size; };
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int Bottom(void) {return bottom; };
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int Height(void) {return height; };
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cOglGlyph* Glyph(uint charCode) const;
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int Kerning(cOglGlyph *glyph, uint prevSym) const;
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};
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/****************************************************************************************
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* cOglFb
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* Framebuffer Object - OpenGL part of a Pixmap
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****************************************************************************************/
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class cOglFb {
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protected:
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bool initiated;
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// GLuint fb;
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// GLuint texture;
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GLint width, height;
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GLint viewPortWidth, viewPortHeight;
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bool scrollable;
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public:
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GLuint fb;
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GLuint texture;
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cOglFb(GLint width, GLint height, GLint viewPortWidth, GLint viewPortHeight);
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virtual ~cOglFb(void);
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bool Initiated(void) { return initiated; }
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virtual bool Init(void);
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void Bind(void);
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void BindRead(void);
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virtual void BindWrite(void);
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virtual void Unbind(void);
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bool BindTexture(void);
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void Blit(GLint destX1, GLint destY1, GLint destX2, GLint destY2);
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GLint Width(void) { return width; };
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GLint Height(void) { return height; };
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bool Scrollable(void) { return scrollable; };
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GLint ViewportWidth(void) { return viewPortWidth; };
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GLint ViewportHeight(void) { return viewPortHeight; };
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};
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/****************************************************************************************
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* cOglOutputFb
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* Output Framebuffer Object - holds Vdpau Output Surface which is our "output framebuffer"
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****************************************************************************************/
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class cOglOutputFb : public cOglFb {
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protected:
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bool initiated;
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private:
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GLvdpauSurfaceNV surface;
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public:
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GLuint fb;
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GLuint texture;
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cOglOutputFb(GLint width, GLint height);
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virtual ~cOglOutputFb(void);
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virtual bool Init(void);
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virtual void BindWrite(void);
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virtual void Unbind(void);
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};
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/****************************************************************************************
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* cOglVb
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* Vertex Buffer - OpenGl Vertices for the different drawing commands
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****************************************************************************************/
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enum eVertexBufferType {
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vbRect,
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vbEllipse,
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vbSlope,
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vbTexture,
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vbText,
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vbCount
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};
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class cOglVb {
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private:
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eVertexBufferType type;
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eShaderType shader;
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GLuint vao;
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GLuint vbo;
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int sizeVertex1;
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int sizeVertex2;
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int numVertices;
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GLuint drawMode;
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public:
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cOglVb(int type);
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virtual ~cOglVb(void);
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bool Init(void);
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void Bind(void);
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void Unbind(void);
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void ActivateShader(void);
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void EnableBlending(void);
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void DisableBlending(void);
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void SetShaderColor(GLint color);
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void SetShaderAlpha(GLint alpha);
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void SetShaderProjectionMatrix(GLint width, GLint height);
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void SetVertexData(GLfloat *vertices, int count = 0);
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void DrawArrays(int count = 0);
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};
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/****************************************************************************************
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* cOpenGLCmd
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****************************************************************************************/
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class cOglCmd {
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protected:
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cOglFb *fb;
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public:
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cOglCmd(cOglFb *fb) { this->fb = fb; };
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virtual ~cOglCmd(void) {};
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virtual const char* Description(void) = 0;
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virtual bool Execute(void) = 0;
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};
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class cOglCmdInitOutputFb : public cOglCmd {
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private:
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cOglOutputFb *oFb;
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public:
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cOglCmdInitOutputFb(cOglOutputFb *oFb);
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virtual ~cOglCmdInitOutputFb(void) {};
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virtual const char* Description(void) { return "InitOutputFramebuffer"; }
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virtual bool Execute(void);
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};
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class cOglCmdInitFb : public cOglCmd {
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private:
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cCondWait *wait;
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public:
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cOglCmdInitFb(cOglFb *fb, cCondWait *wait = NULL);
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virtual ~cOglCmdInitFb(void) {};
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virtual const char* Description(void) { return "InitFramebuffer"; }
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virtual bool Execute(void);
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};
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class cOglCmdDeleteFb : public cOglCmd {
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public:
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cOglCmdDeleteFb(cOglFb *fb);
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virtual ~cOglCmdDeleteFb(void) {};
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virtual const char* Description(void) { return "DeleteFramebuffer"; }
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virtual bool Execute(void);
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};
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class cOglCmdRenderFbToBufferFb : public cOglCmd {
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private:
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cOglFb *buffer;
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GLfloat x, y;
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GLfloat drawPortX, drawPortY;
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GLint transparency;
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public:
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cOglCmdRenderFbToBufferFb(cOglFb *fb, cOglFb *buffer, GLint x, GLint y, GLint transparency, GLint drawPortX, GLint drawPortY);
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virtual ~cOglCmdRenderFbToBufferFb(void) {};
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virtual const char* Description(void) { return "Render Framebuffer to Buffer"; }
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virtual bool Execute(void);
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};
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class cOglCmdCopyBufferToOutputFb : public cOglCmd {
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private:
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cOglOutputFb *oFb;
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GLint x, y;
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public:
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cOglCmdCopyBufferToOutputFb(cOglFb *fb, cOglOutputFb *oFb, GLint x, GLint y);
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virtual ~cOglCmdCopyBufferToOutputFb(void) {};
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virtual const char* Description(void) { return "Copy buffer to OutputFramebuffer"; }
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virtual bool Execute(void);
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};
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class cOglCmdFill : public cOglCmd {
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private:
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GLint color;
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public:
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cOglCmdFill(cOglFb *fb, GLint color);
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virtual ~cOglCmdFill(void) {};
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virtual const char* Description(void) { return "Fill"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawRectangle : public cOglCmd {
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private:
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GLint x, y;
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GLint width, height;
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GLint color;
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public:
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cOglCmdDrawRectangle(cOglFb *fb, GLint x, GLint y, GLint width, GLint height, GLint color);
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virtual ~cOglCmdDrawRectangle(void) {};
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virtual const char* Description(void) { return "DrawRectangle"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawEllipse : public cOglCmd {
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private:
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GLint x, y;
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GLint width, height;
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GLint color;
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GLint quadrants;
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GLfloat *CreateVerticesFull(int &numVertices);
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GLfloat *CreateVerticesQuadrant(int &numVertices);
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GLfloat *CreateVerticesHalf(int &numVertices);
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public:
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cOglCmdDrawEllipse(cOglFb *fb, GLint x, GLint y, GLint width, GLint height, GLint color, GLint quadrants);
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virtual ~cOglCmdDrawEllipse(void) {};
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virtual const char* Description(void) { return "DrawEllipse"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawSlope : public cOglCmd {
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private:
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GLint x, y;
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GLint width, height;
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GLint color;
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GLint type;
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public:
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cOglCmdDrawSlope(cOglFb *fb, GLint x, GLint y, GLint width, GLint height, GLint color, GLint type);
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virtual ~cOglCmdDrawSlope(void) {};
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virtual const char* Description(void) { return "DrawSlope"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawText : public cOglCmd {
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private:
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GLint x, y;
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GLint limitX;
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GLint colorText;
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cString fontName;
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int fontSize;
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unsigned int *symbols;
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public:
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cOglCmdDrawText(cOglFb *fb, GLint x, GLint y, unsigned int *symbols, GLint limitX, const char *name, int fontSize, tColor colorText);
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virtual ~cOglCmdDrawText(void);
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virtual const char* Description(void) { return "DrawText"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawImage : public cOglCmd {
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private:
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tColor *argb;
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GLint x, y, width, height;
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bool overlay;
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GLfloat scaleX, scaleY;
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public:
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cOglCmdDrawImage(cOglFb *fb, tColor *argb, GLint width, GLint height, GLint x, GLint y, bool overlay = true, double scaleX = 1.0f, double scaleY = 1.0f);
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virtual ~cOglCmdDrawImage(void);
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virtual const char* Description(void) { return "Draw Image"; }
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virtual bool Execute(void);
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};
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class cOglCmdDrawTexture : public cOglCmd {
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private:
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sOglImage *imageRef;
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GLint x, y;
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public:
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cOglCmdDrawTexture(cOglFb *fb, sOglImage *imageRef, GLint x, GLint y);
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virtual ~cOglCmdDrawTexture(void) {};
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virtual const char* Description(void) { return "Draw Texture"; }
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virtual bool Execute(void);
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};
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class cOglCmdStoreImage : public cOglCmd {
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private:
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sOglImage *imageRef;
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tColor *data;
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public:
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cOglCmdStoreImage(sOglImage *imageRef, tColor *argb);
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virtual ~cOglCmdStoreImage(void);
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virtual const char* Description(void) { return "Store Image"; }
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virtual bool Execute(void);
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};
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class cOglCmdDropImage : public cOglCmd {
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private:
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sOglImage *imageRef;
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cCondWait *wait;
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public:
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cOglCmdDropImage(sOglImage *imageRef, cCondWait *wait);
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virtual ~cOglCmdDropImage(void) {};
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virtual const char* Description(void) { return "Drop Image"; }
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virtual bool Execute(void);
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};
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/******************************************************************************
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* cOglThread
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******************************************************************************/
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#define OGL_MAX_OSDIMAGES 256
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#define OGL_CMDQUEUE_SIZE 100
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class cOglThread : public cThread {
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private:
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cCondWait *startWait;
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cCondWait *wait;
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bool stalled;
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std::queue<cOglCmd*> commands;
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GLint maxTextureSize;
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sOglImage imageCache[OGL_MAX_OSDIMAGES];
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long memCached;
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long maxCacheSize;
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bool InitOpenGL(void);
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bool InitShaders(void);
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void DeleteShaders(void);
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bool InitVdpauInterop(void);
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bool InitVertexBuffers(void);
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void DeleteVertexBuffers(void);
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void Cleanup(void);
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int GetFreeSlot(void);
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void ClearSlot(int slot);
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protected:
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virtual void Action(void);
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public:
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cOglThread(cCondWait *startWait, int maxCacheSize);
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virtual ~cOglThread();
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void Stop(void);
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void DoCmd(cOglCmd* cmd);
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int StoreImage(const cImage &image);
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void DropImageData(int imageHandle);
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sOglImage *GetImageRef(int slot);
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int MaxTextureSize(void) { return maxTextureSize; };
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};
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/****************************************************************************************
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* cOglPixmap
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****************************************************************************************/
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class cOglPixmap : public cPixmap {
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private:
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cOglFb *fb;
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std::shared_ptr<cOglThread> oglThread;
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bool dirty;
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public:
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cOglPixmap(std::shared_ptr<cOglThread> oglThread, int Layer, const cRect &ViewPort, const cRect &DrawPort = cRect::Null);
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virtual ~cOglPixmap(void);
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cOglFb *Fb(void) { return fb; };
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int X(void) { return ViewPort().X(); };
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int Y(void) { return ViewPort().Y(); };
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virtual bool IsDirty(void) { return dirty; }
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virtual void SetDirty(bool dirty = true) { this->dirty = dirty; }
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virtual void SetAlpha(int Alpha);
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virtual void SetTile(bool Tile);
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virtual void SetViewPort(const cRect &Rect);
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virtual void SetDrawPortPoint(const cPoint &Point, bool Dirty = true);
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virtual void Clear(void);
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virtual void Fill(tColor Color);
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virtual void DrawImage(const cPoint &Point, const cImage &Image);
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virtual void DrawImage(const cPoint &Point, int ImageHandle);
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virtual void DrawPixel(const cPoint &Point, tColor Color);
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virtual void DrawBitmap(const cPoint &Point, const cBitmap &Bitmap, tColor ColorFg = 0, tColor ColorBg = 0, bool Overlay = false);
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virtual void DrawText(const cPoint &Point, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width = 0, int Height = 0, int Alignment = taDefault);
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virtual void DrawRectangle(const cRect &Rect, tColor Color);
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virtual void DrawEllipse(const cRect &Rect, tColor Color, int Quadrants = 0);
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virtual void DrawSlope(const cRect &Rect, tColor Color, int Type);
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virtual void Render(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest);
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virtual void Copy(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest);
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virtual void Scroll(const cPoint &Dest, const cRect &Source = cRect::Null);
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virtual void Pan(const cPoint &Dest, const cRect &Source = cRect::Null);
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};
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/******************************************************************************
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* cOglOsd
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******************************************************************************/
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class cOglOsd : public cOsd {
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private:
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cOglFb *bFb;
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std::shared_ptr<cOglThread> oglThread;
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cVector<cOglPixmap *> oglPixmaps;
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bool isSubtitleOsd;
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protected:
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public:
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cOglOsd(int Left, int Top, uint Level, std::shared_ptr<cOglThread> oglThread);
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virtual ~cOglOsd();
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virtual eOsdError SetAreas(const tArea *Areas, int NumAreas);
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virtual cPixmap *CreatePixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort = cRect::Null);
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virtual void DestroyPixmap(cPixmap *Pixmap);
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virtual void Flush(void);
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virtual void DrawScaledBitmap(int x, int y, const cBitmap &Bitmap, double FactorX, double FactorY, bool AntiAlias = false);
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static cOglOutputFb *oFb;
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};
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#endif //__SOFTHDDEVICE_OPENGLOSD_H
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