void drawPoint(const Vec2& point)
{
    lazy_init();

    Vec2 p;
    p.x = point.x;
    p.y = point.y;

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );
    s_shader->use();
    s_shader->setUniformsForBuiltins();

    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);
    s_shader->setUniformLocationWith1f(s_pointSizeLocation, s_pointSize);

#ifdef EMSCRIPTEN
    setGLBufferData(&p, 8);
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, &p);
#endif // EMSCRIPTEN

    glDrawArrays(GL_POINTS, 0, 1);

    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,1);
}
void drawSolidPoly(const KKPoint* poli, unsigned int numberOfPoints)
{
    lazy_init();
    
    shader_->use();
    shader_->setUniformForModelViewProjectionMatrix();
    colorUniform->setUniform4fv((GLfloat *)&color_.r, 1);
    CHECK_GL_ERROR_DEBUG();
    
    glEnableVertexAttribArray(kVertexAttrib_Position);
    //开启顶点属性数组
    GLfloat *newPoli = new GLfloat(numberOfPoints*2);
    if (sizeof(KKPoint) == sizeof(GLfloat)*2) {
        glVertexAttribPointer(kVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, poli);
    }
    else
    {
        for (unsigned int i = 0; i < numberOfPoints; i++) {
            newPoli[i*2] = poli[i].x;
            newPoli[i*2+1] = poli[i].y;
        }
        glVertexAttribPointer(kVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
    }
    
    glDrawArrays(GL_TRIANGLE_FAN, 0, (GLsizei)numberOfPoints);//将顶点数组使用三角形渲染,GL_TRIANGLE_FAN表示矩形, 0表示数组第一个值的位置,2表示数组长度
    
    delete newPoli;
}
void drawSolidCircle( const Vec2& center, float radius, float angle, unsigned int segments, float scaleX, float scaleY)
{
    lazy_init();
    
    const float coef = 2.0f * (float)M_PI/segments;
    
    GLfloat *vertices = (GLfloat*)calloc( sizeof(GLfloat)*2*(segments+2), 1);
    if( ! vertices )
        return;
    
    for(unsigned int i = 0;i <= segments; i++) {
        float rads = i*coef;
        GLfloat j = radius * cosf(rads + angle) * scaleX + center.x;
        GLfloat k = radius * sinf(rads + angle) * scaleY + center.y;
        
        vertices[i*2] = j;
        vertices[i*2+1] = k;
    }
    vertices[(segments+1)*2] = center.x;
    vertices[(segments+1)*2+1] = center.y;
    
    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);
    
    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );
    
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);

    glDrawArrays(GL_TRIANGLE_FAN, 0, (GLsizei) segments+1);
    
    ::free( vertices );
    
    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,segments+1);
}
void ccDrawCubicBezier(const CCPoint& origin, const CCPoint& control1, const CCPoint& control2, const CCPoint& destination, unsigned int segments)
{
    lazy_init();

    ccVertex2F* vertices = new ccVertex2F[segments + 1];

    float t = 0;
    for(unsigned int i = 0; i < segments; i++)
    {
        vertices[i].x = powf(1 - t, 3) * origin.x + 3.0f * powf(1 - t, 2) * t * control1.x + 3.0f * (1 - t) * t * t * control2.x + t * t * t * destination.x;
        vertices[i].y = powf(1 - t, 3) * origin.y + 3.0f * powf(1 - t, 2) * t * control1.y + 3.0f * (1 - t) * t * t * control2.y + t * t * t * destination.y;
        t += 1.0f / segments;
    }
    vertices[segments].x = destination.x;
    vertices[segments].y = destination.y;

    shader_->use();
    shader_->setUniformForModelViewProjectionMatrix();
    shader_->setUniformLocationWith4fv(colorLocation_, (GLfloat*) &color_.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);
    CC_SAFE_DELETE_ARRAY(vertices);

    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawPoint( const CCPoint& point )
{
    lazy_init();

    ccVertex2F p;
    p.x = point.x;
    p.y = point.y;

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    s_pShader->use();
    s_pShader->setUniformsForBuiltins();

    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);
    s_pShader->setUniformLocationWith1f(s_nPointSizeLocation, s_fPointSize);

#ifdef EMSCRIPTEN
    setGLBufferData(&p, 8);
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, &p);
#endif // EMSCRIPTEN

    glDrawArrays(GL_POINTS, 0, 1);

    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawPoints( const CCPoint *points, unsigned int numberOfPoints )
{
    lazy_init();

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    shader_->use();
    shader_->setUniformForModelViewProjectionMatrix();
    shader_->setUniformLocationWith4fv(colorLocation_, (GLfloat*) &color_.r, 1);
    shader_->setUniformLocationWith1f(pointSizeLocation_, pointSize_);

    // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
    ccVertex2F* newPoints = new ccVertex2F[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if( sizeof(CCPoint) == sizeof(ccVertex2F) )
    {
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, points);
    }
    else
    {
        // Mac on 64-bit
        for( unsigned int i=0; i<numberOfPoints;i++) {
            newPoints[i].x = points[i].x;
            newPoints[i].y = points[i].y;
        }
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoints);
    }

    glDrawArrays(GL_POINTS, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoints);

    CC_INCREMENT_GL_DRAWS(1);
}
void drawSolidPoly(const Vec2 *poli, unsigned int numberOfPoints, Color4F color)
{
    lazy_init();

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

    // FIXME: Mac OpenGL error. arrays can't go out of scope before draw is executed
    Vec2* newPoli = new (std::nothrow) Vec2[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if (sizeof(Vec2) == sizeof(Vec2))
    {
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, poli);
    }
    else
    {
        // Mac on 64-bit
        for(unsigned int i = 0; i < numberOfPoints; i++)
        {
            newPoli[i].set(poli[i].x, poli[i].y);
        }
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
    }

    glDrawArrays(GL_TRIANGLE_FAN, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoli);
    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, numberOfPoints);
}
void ccDrawCubicBezier(const CCPoint& origin, const CCPoint& control1, const CCPoint& control2, const CCPoint& destination, unsigned int segments)
{
    lazy_init();

    ccVertex2F* vertices = new ccVertex2F[segments + 1];

    float t = 0;
    for(unsigned int i = 0; i < segments; i++)
    {
        vertices[i].x = powf(1 - t, 3) * origin.x + 3.0f * powf(1 - t, 2) * t * control1.x + 3.0f * (1 - t) * t * t * control2.x + t * t * t * destination.x;
        vertices[i].y = powf(1 - t, 3) * origin.y + 3.0f * powf(1 - t, 2) * t * control1.y + 3.0f * (1 - t) * t * t * control2.y + t * t * t * destination.y;
        t += 1.0f / segments;
    }
    vertices[segments].x = destination.x;
    vertices[segments].y = destination.y;

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

#ifdef EMSCRIPTEN
    setGLBufferData(vertices, (segments + 1) * sizeof(ccVertex2F));
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);
    CC_SAFE_DELETE_ARRAY(vertices);

    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawSolidPoly( const CCPoint *poli, unsigned int numberOfPoints, ccColor4F color )
{
    lazy_init();

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &color.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

    // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
    ccVertex2F* newPoli = new ccVertex2F[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if( sizeof(CCPoint) == sizeof(ccVertex2F) )
    {
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, poli);
    }
    else
    {
        // Mac on 64-bit
        for( unsigned int i=0; i<numberOfPoints; i++)
        {
            newPoli[i] = vertex2( poli[i].x, poli[i].y );
        }
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
    }

    glDrawArrays(GL_TRIANGLE_FAN, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoli);
    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawQuadBezier(const CCPoint& origin, const CCPoint& control, const CCPoint& destination, unsigned int segments)
{
    lazy_init();

    ccVertex2F* vertices = new ccVertex2F[segments + 1];

    float t = 0.0f;
    for(unsigned int i = 0; i < segments; i++)
    {
        vertices[i].x = powf(1 - t, 2) * origin.x + 2.0f * (1 - t) * t * control.x + t * t * destination.x;
        vertices[i].y = powf(1 - t, 2) * origin.y + 2.0f * (1 - t) * t * control.y + t * t * destination.y;
        t += 1.0f / segments;
    }
    vertices[segments].x = destination.x;
    vertices[segments].y = destination.y;

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);
    CC_SAFE_DELETE_ARRAY(vertices);

    CC_INCREMENT_GL_DRAWS(1);
}
void drawCubicBezier(const Vec2& origin, const Vec2& control1, const Vec2& control2, const Vec2& destination, unsigned int segments)
{
    lazy_init();

    Vec2* vertices = new (std::nothrow) Vec2[segments + 1];

    float t = 0;
    for (unsigned int i = 0; i < segments; i++)
    {
        vertices[i].x = powf(1 - t, 3) * origin.x + 3.0f * powf(1 - t, 2) * t * control1.x + 3.0f * (1 - t) * t * t * control2.x + t * t * t * destination.x;
        vertices[i].y = powf(1 - t, 3) * origin.y + 3.0f * powf(1 - t, 2) * t * control1.y + 3.0f * (1 - t) * t * t * control2.y + t * t * t * destination.y;
        t += 1.0f / segments;
    }
    vertices[segments].x = destination.x;
    vertices[segments].y = destination.y;

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

#ifdef EMSCRIPTEN
    setGLBufferData(vertices, (segments + 1) * sizeof(Vec2));
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);
    CC_SAFE_DELETE_ARRAY(vertices);

    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,segments+1);
}
示例#12
0
void drawPoly(const KKPoint *poli, unsigned int numberOfPoints, bool closePolygon)
{
    lazy_init();
    
    shader_->setUniformForModelViewProjectionMatrix();
    colorUniform->setUniform4fv((GLfloat *)&color_.r, 1);
    CHECK_GL_ERROR_DEBUG();
    
    glEnableVertexAttribArray(kVertexAttrib_Position);
    //开启顶点属性数组
    GLfloat *newPoli = new GLfloat(numberOfPoints*2);
    
    if (sizeof(KKPoint) == sizeof(GLfloat)*2) {
        glVertexAttribPointer(kVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, poli);
    }
    else
    {
        for (unsigned int i = 0; i < numberOfPoints; i++) {
            newPoli[i*2] = poli[i].x;
            newPoli[i*2+1] = poli[i].y;
        }
        glVertexAttribPointer(kVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
    }
    
    if (closePolygon) {
        glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
    }
    else
    {
        glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
    }
    
    delete newPoli;
}
示例#13
0
文件: myprintf.c 项目: wm4/kernel
void printf_format_handler_register_static(PrintfFormatHandler* handler)
{
    if (!initialized)
        lazy_init();
    
    //bei mehrdeutigkeiten wird der zuletzt registrierte handler aufgerufen
    //das ist ganz was wir wollen
    handler->next = handler_list;
    handler_list = handler;
}
void ccDrawPoly( const CCPoint *poli, unsigned int numberOfPoints, bool closePolygon )
{
    lazy_init();

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

    glLineWidth(1);
    // iPhone and 32-bit machines optimization
    if( sizeof(CCPoint) == sizeof(ccVertex2F) )
    {
#ifdef EMSCRIPTEN
        setGLBufferData((void*) poli, numberOfPoints * sizeof(CCPoint));
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, poli);
#endif // EMSCRIPTEN

        if( closePolygon )
            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
        else
            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
    }
    else
    {
        // Mac on 64-bit
        // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
        ccVertex2F* newPoli = new ccVertex2F[numberOfPoints];
        for( unsigned int i=0; i<numberOfPoints;i++) {
            newPoli[i].x = poli[i].x;
            newPoli[i].y = poli[i].y;
        }
#ifdef EMSCRIPTEN
        setGLBufferData(newPoli, numberOfPoints * sizeof(ccVertex2F));
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
#endif // EMSCRIPTEN

        if( closePolygon )
            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
        else
            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);

        CC_SAFE_DELETE_ARRAY(newPoli);
    }

    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawCardinalSpline( CCPointArray *config, float tension,  unsigned int segments )
{
    lazy_init();

    ccVertex2F* vertices = new ccVertex2F[segments + 1];

    unsigned int p;
    float lt;
    float deltaT = 1.0f / config->count();

    for( unsigned int i=0; i < segments+1;i++) {

        float dt = (float)i / segments;

        // border
        if( dt == 1 ) {
            p = config->count() - 1;
            lt = 1;
        } else {
            p = dt / deltaT;
            lt = (dt - deltaT * (float)p) / deltaT;
        }

        // Interpolate
        CCPoint pp0 = config->get(p-1);
        CCPoint pp1 = config->get(p+0);
        CCPoint pp2 = config->get(p+1);
        CCPoint pp3 = config->get(p+2);

        CCPoint newPos = ccCardinalSplineAt( pp0, pp1, pp2, pp3, tension, lt);
        vertices[i].x = newPos.x;
        vertices[i].y = newPos.y;
    }

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*)&s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

#ifdef EMSCRIPTEN
    setGLBufferData(vertices, (segments + 1) * sizeof(ccVertex2F));
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);

    CC_SAFE_DELETE_ARRAY(vertices);
    CC_INCREMENT_GL_DRAWS(1);
}
void drawPoly(const Vec2 *poli, unsigned int numberOfPoints, bool closePolygon)
{
    lazy_init();

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

    // iPhone and 32-bit machines optimization
    if( sizeof(Vec2) == sizeof(Vec2) )
    {
#ifdef EMSCRIPTEN
        setGLBufferData((void*) poli, numberOfPoints * sizeof(Vec2));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, poli);
#endif // EMSCRIPTEN

        if( closePolygon )
            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
        else
            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
    }
    else
    {
        // Mac on 64-bit
        // FIXME: Mac OpenGL error. arrays can't go out of scope before draw is executed
        Vec2* newPoli = new (std::nothrow) Vec2[numberOfPoints];
        for( unsigned int i=0; i<numberOfPoints;i++) {
            newPoli[i].x = poli[i].x;
            newPoli[i].y = poli[i].y;
        }
#ifdef EMSCRIPTEN
        setGLBufferData(newPoli, numberOfPoints * sizeof(Vec2));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
#endif // EMSCRIPTEN

        if( closePolygon )
            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
        else
            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);

        CC_SAFE_DELETE_ARRAY(newPoli);
    }

    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, numberOfPoints);
}
void drawCardinalSpline( PointArray *config, float tension,  unsigned int segments )
{
    lazy_init();

    Vec2* vertices = new (std::nothrow) Vec2[segments + 1];

    ssize_t p;
    float lt;
    float deltaT = 1.0f / config->count();

    for( unsigned int i=0; i < segments+1;i++) {

        float dt = (float)i / segments;

        // border
        if( dt == 1 ) {
            p = config->count() - 1;
            lt = 1;
        } else {
            p = dt / deltaT;
            lt = (dt - deltaT * (float)p) / deltaT;
        }

        // Interpolate
        Vec2 pp0 = config->getControlPointAtIndex(p-1);
        Vec2 pp1 = config->getControlPointAtIndex(p+0);
        Vec2 pp2 = config->getControlPointAtIndex(p+1);
        Vec2 pp3 = config->getControlPointAtIndex(p+2);

        Vec2 newPos = ccCardinalSplineAt( pp0, pp1, pp2, pp3, tension, lt);
        vertices[i].x = newPos.x;
        vertices[i].y = newPos.y;
    }

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*)&s_color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

#ifdef EMSCRIPTEN
    setGLBufferData(vertices, (segments + 1) * sizeof(Vec2));
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
    glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments + 1);

    CC_SAFE_DELETE_ARRAY(vertices);
    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,segments+1);
}
示例#18
0
文件: oacc-init.c 项目: abumaryam/gcc
void
acc_set_device_num (int n, acc_device_t d)
{
  const struct gomp_device_descr *dev;
  int num_devices;

  if (!base_dev)
    gomp_init_targets_once ();

  if ((int) d == 0)
    {
      int i;

      /* A device setting of zero sets all device types on the system to use
         the Nth instance of that device type.  Only attempt it for initialized
	 devices though.  */
      for (i = acc_device_not_host + 1; i < _ACC_device_hwm; i++)
        {
	  dev = resolve_device (d);
	  if (dev && dev->is_initialized)
	    dev->openacc.set_device_num_func (n);
	}

      /* ...and for future calls to acc_init/acc_set_device_type, etc.  */
      goacc_device_num = n;
    }
  else
    {
      struct goacc_thread *thr = goacc_thread ();

      gomp_mutex_lock (&acc_device_lock);

      base_dev = lazy_init (d);

      num_devices = base_dev->get_num_devices_func ();

      if (n >= num_devices)
        gomp_fatal ("device %u out of range", n);

      /* If we're changing the device number, de-associate this thread with
	 the device (but don't close the device, since it may be in use by
	 other threads).  */
      if (thr && thr->dev && n != thr->dev->target_id)
	thr->dev = NULL;

      lazy_open (n);

      gomp_mutex_unlock (&acc_device_lock);
    }
}
示例#19
0
文件: oacc-init.c 项目: abumaryam/gcc
static void
lazy_init_and_open (acc_device_t d)
{
  if (!base_dev)
    gomp_init_targets_once ();

  gomp_mutex_lock (&acc_device_lock);

  base_dev = lazy_init (d);

  lazy_open (-1);

  gomp_mutex_unlock (&acc_device_lock);
}
示例#20
0
文件: buffer.c 项目: Charged/Miners
int buffer_append(struct buffer* b, const void* data, size_t n)
{
    assert(b);

    if(unlikely(b->data == NULL) &&
       unlikely(lazy_init(b)))
        return 1;

    if(unlikely(buffer_reserve(b, b->len + n)))
        return 1;

    memcpy(b->data + b->len, data, n);
    b->len += n;

    return 0;
}
void ccDrawLines(ccVertex2F* vertices,int size)
{
    lazy_init();


    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    glDrawArrays(GL_LINE_STRIP, 0, size);

    CC_INCREMENT_GL_DRAWS(1);

}
void ccDrawPoints( const CCPoint *points, unsigned int numberOfPoints )
{
    lazy_init();

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);
    s_pShader->setUniformLocationWith1f(s_nPointSizeLocation, s_fPointSize);

    // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
    ccVertex2F* newPoints = new ccVertex2F[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if( sizeof(CCPoint) == sizeof(ccVertex2F) )
    {
#ifdef EMSCRIPTEN
        setGLBufferData((void*) points, numberOfPoints * sizeof(CCPoint));
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, points);
#endif // EMSCRIPTEN
    }
    else
    {
        // Mac on 64-bit
        for( unsigned int i=0; i<numberOfPoints;i++) {
            newPoints[i].x = points[i].x;
            newPoints[i].y = points[i].y;
        }
#ifdef EMSCRIPTEN
        // Suspect Emscripten won't be emitting 64-bit code for a while yet,
        // but want to make sure this continues to work even if they do.
        setGLBufferData(newPoints, numberOfPoints * sizeof(ccVertex2F));
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoints);
#endif // EMSCRIPTEN
    }

    glDrawArrays(GL_POINTS, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoints);

    CC_INCREMENT_GL_DRAWS(1);
}
示例#23
0
void drawCircle( const Point& center, float width, float height, float angle, unsigned int segments, bool drawLineToCenter, float scaleX, float scaleY)
{
	lazy_init();

	width *= 0.5f;
	height *= 0.5f;

	int additionalSegment = 1;
	if (drawLineToCenter)
		additionalSegment++;

	const float coef = 2.0f * (float)M_PI/segments;

	GLfloat *vertices = (GLfloat*)calloc( sizeof(GLfloat)*2*(segments+2), 1);
	if( ! vertices )
		return;

	for(unsigned int i = 0;i <= segments; i++) {
		float rads = i*coef;
		GLfloat j = width * cosf(rads + angle) * scaleX + center.x;
		GLfloat k = height * sinf(rads + angle) * scaleY + center.y;

		vertices[i*2] = j;
		vertices[i*2+1] = k;
	}
	vertices[(segments+1)*2] = center.x;
	vertices[(segments+1)*2+1] = center.y;

	s_shader->use();
	s_shader->setUniformsForBuiltins();
	s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);

	GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

#ifdef EMSCRIPTEN
	setGLBufferData(vertices, sizeof(GLfloat)*2*(segments+2));
	glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
	glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
	glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) segments+additionalSegment);

	::free( vertices );

	CC_INCREMENT_GL_DRAWS(1);
}
void drawPoints( const Vec2 *points, unsigned int numberOfPoints )
{
    lazy_init();

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );
    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);
    s_shader->setUniformLocationWith1f(s_pointSizeLocation, s_pointSize);

    // FIXME: Mac OpenGL error. arrays can't go out of scope before draw is executed
    Vec2* newPoints = new (std::nothrow) Vec2[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if( sizeof(Vec2) == sizeof(Vec2) )
    {
#ifdef EMSCRIPTEN
        setGLBufferData((void*) points, numberOfPoints * sizeof(Vec2));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, points);
#endif // EMSCRIPTEN
    }
    else
    {
        // Mac on 64-bit
        for( unsigned int i=0; i<numberOfPoints;i++) {
            newPoints[i].x = points[i].x;
            newPoints[i].y = points[i].y;
        }
#ifdef EMSCRIPTEN
        // Suspect Emscripten won't be emitting 64-bit code for a while yet,
        // but want to make sure this continues to work even if they do.
        setGLBufferData(newPoints, numberOfPoints * sizeof(Vec2));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, newPoints);
#endif // EMSCRIPTEN
    }

    glDrawArrays(GL_POINTS, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoints);

    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, numberOfPoints);
}
示例#25
0
void drawLine(const KKPoint& origin, const KKPoint& dest)
{
    lazy_init();
    
    GLfloat vertices[4] = {origin.x, origin.y, dest.x, dest.y};
    shader_->use();
    CHECK_GL_ERROR_DEBUG();
    shader_->setUniformForModelViewProjectionMatrix();
    CHECK_GL_ERROR_DEBUG();
    colorUniform->setUniform4fv((GLfloat *)&color_.r, 1);
    CHECK_GL_ERROR_DEBUG();
    //开启顶点属性数组
    glEnableVertexAttribArray(kVertexAttrib_Position);
    //为顶点着色器位置信息赋值,positionSlot表示顶点着色器位置属性(即,Position);2表示每一个顶点信息由几个值组成,这个值必须位1,2,3或4;GL_FLOAT表示顶点信息的数据类型;GL_FALSE表示不要将数据类型标准化(即fixed-point);stride表示数组中每个元素的长度;pCoords表示数组的首地址
    glVertexAttribPointer(kVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    CHECK_GL_ERROR_DEBUG();
    glDrawArrays(GL_LINE, 0, 2);//将顶点数组使用三角形渲染,GL_LINE表示直线, 0表示数组第一个值的位置,2表示数组长度
}
void ccDrawLine( const CCPoint& origin, const CCPoint& destination )
{
    lazy_init();

    ccVertex2F vertices[2] = {
        {origin.x, origin.y},
        {destination.x, destination.y}
    };

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    glDrawArrays(GL_LINES, 0, 2);

    CC_INCREMENT_GL_DRAWS(1);
}
示例#27
0
void drawSolidPoly( const Point *poli, unsigned int numberOfPoints, Color4F color )
{
    lazy_init();

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );

    // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
    Vertex2F* newPoli = new Vertex2F[numberOfPoints];

    // iPhone and 32-bit machines optimization
    if( sizeof(Point) == sizeof(Vertex2F) )
    {
#ifdef EMSCRIPTEN
        setGLBufferData((void*) poli, numberOfPoints * sizeof(Point));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, poli);
#endif // EMSCRIPTEN
    }
    else
    {
        // Mac on 64-bit
        for( unsigned int i=0; i<numberOfPoints;i++)
        {
            newPoli[i] = Vertex2F( poli[i].x, poli[i].y );
        }
#ifdef EMSCRIPTEN
        setGLBufferData(newPoli, numberOfPoints * sizeof(Vertex2F));
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
        glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
#endif // EMSCRIPTEN
    }    

    glDrawArrays(GL_TRIANGLE_FAN, 0, (GLsizei) numberOfPoints);

    CC_SAFE_DELETE_ARRAY(newPoli);
    CC_INCREMENT_GL_DRAWS(1);
}
void drawLine(const Vec2& origin, const Vec2& destination)
{
    lazy_init();

    Vec2 vertices[2] = {
        Vec2(origin.x, origin.y),
        Vec2(destination.x, destination.y)
    };

    s_shader->use();
    s_shader->setUniformsForBuiltins();
    s_shader->setUniformLocationWith4fv(s_colorLocation, (GLfloat*) &s_color.r, 1);

    GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION );
    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
    glDrawArrays(GL_LINES, 0, 2);

    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,2);
}
void ccDrawCircle(const CCPoint& center, float radius, float angle, unsigned int segments, bool drawLineToCenter, float scaleX, float scaleY, bool fill)
{
    lazy_init();

    int additionalSegment = 1;
    if (drawLineToCenter)
        additionalSegment++;

    const float coef = 2.0f * (float)M_PI/segments;

    GLfloat *vertices = (GLfloat*)calloc( sizeof(GLfloat)*2*(segments+2), 1);
    if( ! vertices )
        return;

    for(unsigned int i = 0;i <= segments; i++) {
        float rads = i*coef;
        GLfloat j = radius * cosf(rads + angle) * scaleX + center.x;
        GLfloat k = radius * sinf(rads + angle) * scaleY + center.y;

        vertices[i*2] = j;
        vertices[i*2+1] = k;
    }
    vertices[(segments+1)*2] = center.x;
    vertices[(segments+1)*2+1] = center.y;

    s_pShader->use();
    s_pShader->setUniformsForBuiltins();
    s_pShader->setUniformLocationWith4fv(s_nColorLocation, (GLfloat*) &s_tColor.r, 1);

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );

#ifdef EMSCRIPTEN
    setGLBufferData(vertices, sizeof(GLfloat)*2*(segments+2));
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, 0);
#else
    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#endif // EMSCRIPTEN
	glDrawArrays(fill ? GL_TRIANGLE_FAN : GL_LINE_STRIP, 0, (GLsizei)segments + additionalSegment);

    free( vertices );

    CC_INCREMENT_GL_DRAWS(1);
}
void ccDrawPoint( const CCPoint& point )
{
    lazy_init();

    ccVertex2F p;
    p.x = point.x;
    p.y = point.y;

    ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
    shader_->use();
    shader_->setUniformForModelViewProjectionMatrix();

    shader_->setUniformLocationWith4fv(colorLocation_, (GLfloat*) &color_.r, 1);
    shader_->setUniformLocationWith1f(pointSizeLocation_, pointSize_);

    glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, &p);

    glDrawArrays(GL_POINTS, 0, 1);

    CC_INCREMENT_GL_DRAWS(1);
}