当前位置: 首页>>代码示例>>C++>>正文

C++ QOpenGLFunctions::glVertexAttribPointer方法代码示例

本文整理汇总了C++中QOpenGLFunctions::glVertexAttribPointer方法的典型用法代码示例。如果您正苦于以下问题：C++ QOpenGLFunctions::glVertexAttribPointer方法的具体用法？C++ QOpenGLFunctions::glVertexAttribPointer怎么用？C++ QOpenGLFunctions::glVertexAttribPointer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QOpenGLFunctions的用法示例。


在下文中一共展示了QOpenGLFunctions::glVertexAttribPointer方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: setupVertexAttribs

void GLWidget::setupVertexAttribs()
{
    m_vertexBuffer.bind();
    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();

    f->glEnableVertexAttribArray(0);
    f->glVertexAttribPointer(
                0,              //index
                3,              //size
                GL_FLOAT,       //type
                GL_FALSE,       //normalized?
                0,              //stride
                0 );            //array buffer offset

    m_vertexBuffer.release();
    m_normalBuffer.bind();

    f->glEnableVertexAttribArray(1);
    f->glVertexAttribPointer(
                1,              //index
                3,              //size
                GL_FLOAT,       //type
                GL_FALSE,       //normalized?
                0,              //stride
                0 );            //array buffer offset


    m_normalBuffer.release();
}
开发者ID:ismotee，项目名称:olentoStatistics，代码行数:29，代码来源:glwidget.cpp

示例2: create

void Mesh::create()
{
    if(isCreated()) { return; }

    m_vao.create();
    m_vao.bind();

    m_vbo.create();
    m_vbo.bind();
    m_vbo.allocate(m_data.constData(), m_data.size() * sizeof(MeshVertex));

    m_vbo.bind();
    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
    f->glEnableVertexAttribArray(0);
    f->glEnableVertexAttribArray(1);
    f->glEnableVertexAttribArray(2);
    f->glEnableVertexAttribArray(3);
    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(MeshVertex), 0);
    f->glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(MeshVertex), reinterpret_cast<void *>(3 * sizeof(GLfloat)));
    f->glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(MeshVertex), reinterpret_cast<void *>(6 * sizeof(GLfloat)));
    f->glVertexAttribPointer(3, 4, GL_FLOAT, GL_FALSE, sizeof(MeshVertex), reinterpret_cast<void *>(8 * sizeof(GLfloat)));
    m_vbo.release();

    m_vao.release();

    m_isCreated = true;
}
开发者ID:LucidNeko，项目名称:QTFPS，代码行数:27，代码来源:mesh.cpp

示例3: initGL

void GlCube::initGL()
{
    m_vao_constraints.create();
    m_vbo_constraints.create();
    m_ibo_constraints.create();

    m_vao_constraints.bind(); CE();

    m_vbo_constraints.bind();  CE();
    m_vbo_constraints.setUsagePattern(QOpenGLBuffer::UsagePattern::StaticDraw);  CE();

    m_ibo_constraints.bind(); CE();
    m_ibo_constraints.setUsagePattern(QOpenGLBuffer::UsagePattern::StaticDraw);  CE();

    QOpenGLFunctions * f = QOpenGLContext::currentContext()->functions();
    GLsizei stride = sizeof(GLfloat) * 7;
    f->glEnableVertexAttribArray(0); CE();
    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride, (void*)(0)); CE();
    f->glEnableVertexAttribArray(1); CE();
    f->glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, stride, (void*)(sizeof(GLfloat) * 3)); CE();

    m_vao_constraints.release(); CE();
    m_vbo_constraints.release(); CE();
    m_ibo_constraints.release(); CE();

    fillBuffers();
}
开发者ID:HarryLong，项目名称:CubeInSpace，代码行数:27，代码来源:shape_factory.cpp

示例4: create

//clockwise 4 vertex uv TL TR BL BR
void CubeFace::create(float x1,float y1, float x2,float y2,float x3,float y3,float x4,float y4)
{
    QOpenGLFunctions f = QOpenGLFunctions(QOpenGLContext::currentContext());

    //creat the vertexes
    float CubeFaceVertices[] =
    {
        // Positions // Texture Coords

         1,-1,  0,  x3, y3,
         1, 1,  0,  x2, y2,
        -1, 1,  0,  x1, y1,

        -1, 1,  0,  x1, y1,
        -1,-1,  0,  x4, y4,
         1,-1,  0,  x3, y3,

    };
    m_buffer->bind();
    m_buffer->allocate(CubeFaceVertices, sizeof(CubeFaceVertices));
    m_vao->bind();
    f.glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0);
    f.glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)(3 * sizeof(float)));
    f.glEnableVertexAttribArray(0);
    f.glEnableVertexAttribArray(1);
    m_vao->release();
    m_buffer->release();
}
开发者ID:maxiaoniu，项目名称:ARCube，代码行数:29，代码来源:cubeface.cpp

示例5: setupVertexAttribs

void CompasWidget::setupVertexAttribs(){
	m_logoVbo.bind();
	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	f->glEnableVertexAttribArray(0);
	f->glEnableVertexAttribArray(1);
	f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), 0);
	f->glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), reinterpret_cast<void *>(3 * sizeof(GLfloat)));
	m_logoVbo.release();
}
开发者ID:mrdeveloperdude，项目名称:OctoMY，代码行数:9，代码来源:CompasWidget.cpp

示例6: sizeof

void CompasWidget::setupVertexAttribs2(){
	m_vbo2->bind();
	m_program2->enableAttributeArray(0);
	m_program2->enableAttributeArray(1);
	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
	f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, (const void *)(36 * 3 * sizeof(GLfloat)));
	m_vbo2->release();
}
开发者ID:mrdeveloperdude，项目名称:OctoMY，代码行数:9，代码来源:CompasWidget.cpp

示例7: setupVertexAttribs

void GLRasterTexture::setupVertexAttribs()
{
    m_vbo.bind();
    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
    f->glEnableVertexAttribArray(0);
    f->glEnableVertexAttribArray(1);
    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, DATA_DIMENSIONS * sizeof(GLfloat),
                             0);
    f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, DATA_DIMENSIONS * sizeof(GLfloat),
                             reinterpret_cast<void *>(3 * sizeof(GLfloat)));
    m_vbo.release();
}
开发者ID:SpaceGroupUCL，项目名称:depthmapX，代码行数:12，代码来源:glrastertexture.cpp

示例8: setupVertexAttribs

void CGLWidget::setupVertexAttribs()
{
    m_vbo.bind();
    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
    f->glEnableVertexAttribArray(0);
    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0,  (void*)0);
    m_vbo.release();

    m_uvBuff.bind();
    f->glEnableVertexAttribArray(1);
    f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
    m_uvBuff.release();
}
开发者ID:matrixcloud，项目名称:gltutorial，代码行数:13，代码来源:cglwidget.cpp

示例9: SetupVertexAttributes

void ViewportWidget::SetupVertexAttributes(QOpenGLBuffer* vbo)
{
	if (!vbo)
		return;

	vbo->bind();
	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	f->glEnableVertexAttribArray(0);
	f->glEnableVertexAttribArray(1);
	f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), 0);
	f->glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), reinterpret_cast<void *>(3 * sizeof(GLfloat)));
	vbo->release();
}
开发者ID:aer0ace，项目名称:_scratch，代码行数:13，代码来源:ViewportWidget.cpp

示例10: initGL

void DrawableTerrain::initGL()
{
    m_vao_constraints.create(); CE();
    m_vbo_constraints.create(); CE();
    m_ibo_constraints.create(); CE();

    m_vao_constraints.bind(); CE();

    m_vbo_constraints.bind();  CE();
    m_vbo_constraints.setUsagePattern(QOpenGLBuffer::UsagePattern::StaticDraw);  CE();

    m_ibo_constraints.bind(); CE();
    m_ibo_constraints.setUsagePattern(QOpenGLBuffer::UsagePattern::StaticDraw);  CE();

    QOpenGLFunctions * f = QOpenGLContext::currentContext()->functions();
    f->glEnableVertexAttribArray(0); CE();
    f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)(0)); CE();
    // Texture coordinate
//    f->glEnableVertexAttribArray(1); CE();
//    const int sz = 3*sizeof(GLfloat);
//    f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(GLfloat), (void*)(sz)); CE();

    m_vao_constraints.release(); CE();
    m_vbo_constraints.release(); CE();
    m_ibo_constraints.release(); CE();

    fillBuffers();
}
开发者ID:HarryLong，项目名称:CubeInSpace，代码行数:28，代码来源:drawable_terrain.cpp

示例11: draw

void ScreenAlignedQuad::draw(QOpenGLFunctions &gl)
{
    m_vertices->bind();
    gl.glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 0, nullptr);
    gl.glEnableVertexAttribArray(0);
	gl.glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
开发者ID:JenniferStamm，项目名称:GemIlluminator，代码行数:7，代码来源:screenalignedquad.cpp

示例12: draw

void GLShaderTextured::draw(unsigned int mode, const QMatrix4x4& transformMatrix, GLfloat *textureCoords, GLfloat *vertices, int nbVertices)
{
	if (!m_texture) {
		qDebug("GLShaderTextured::draw: no texture defined. Doing nothing");
		return;
	}

	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	m_program->bind();
	m_program->setUniformValue(m_matrixLoc, transformMatrix);
	m_texture->bind();
	m_program->setUniformValue(m_textureLoc, 0); // Use texture unit 0 which magically contains our texture
	f->glEnableVertexAttribArray(0); // vertex
	f->glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertices);
	f->glEnableVertexAttribArray(1); // texture coordinates
	f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, textureCoords);
	f->glDrawArrays(mode, 0, nbVertices);
	f->glDisableVertexAttribArray(0);
	m_program->release();
}
开发者ID:f4exb，项目名称:sdrangel，代码行数:20，代码来源:glshadertextured.cpp

示例13: initVertexArray

void Grid::initVertexArray()
{
    vao.create();
    vao.bind();
	vbo.bind();
	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	f->glEnableVertexAttribArray(0);
	f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
	vbo.release();
	vao.release();
}
开发者ID:byhj，项目名称:Qt-OpenGL，代码行数:11，代码来源:grid.cpp

示例14: render

void OpenGLVideo::render(const QRectF &target, const QRectF& roi, const QMatrix4x4& transform)
{
    DPTR_D(OpenGLVideo);
    Q_ASSERT(d.manager);
    VideoShader *shader = d.manager->prepareMaterial(d.material);
    shader->update(d.material);
    shader->program()->setUniformValue(shader->matrixLocation(), transform*d.matrix);
    // uniform end. attribute begin
    if (target.isValid())
        d.geometry.setRect(target, d.material->normalizedROI(roi));
    else
        d.geometry.setRect(d.rect, d.material->normalizedROI(roi));

    // normalize?
#if 1
    shader->program()->setAttributeArray(0, GL_FLOAT, d.geometry.data(0), 2, d.geometry.stride());
    shader->program()->setAttributeArray(1, GL_FLOAT, d.geometry.data(1), 2, d.geometry.stride());
#else
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
    static QGLFunctions *glf = new QGLFunctions();
    glf->initializeGLFunctions();
#else
    QOpenGLFunctions *glf = QOpenGLContext::currentContext()->functions();
#endif
    glf->glVertexAttribPointer(0, 2, GL_FLOAT, GL_TRUE, d.geometry.stride(), d.geometry.data(0));
    glf->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, d.geometry.stride(), d.geometry.data(1));
#endif
    char const *const *attr = shader->attributeNames();
    for (int i = 0; attr[i]; ++i) {
        shader->program()->enableAttributeArray(i); //TODO: in setActiveShader
    }

   glDrawArrays(d.geometry.mode(), 0, d.geometry.vertexCount());

   // d.shader->program()->release(); //glUseProgram(0)
   for (int i = 0; attr[i]; ++i) {
       shader->program()->disableAttributeArray(i); //TODO: in setActiveShader
   }

   d.material->unbind();
}
开发者ID:aichunyu，项目名称:QtAV，代码行数:41，代码来源:OpenGLVideo.cpp

示例15: buildQuadTextured

QOpenGLBuffer* GLImageProcessor::buildQuadTextured() const 
{
	QOpenGLBuffer* lpvbo = new QOpenGLBuffer();

	typedef struct
	{
		float xyz[3];
		float uv[2];
	} VertexUV;

	VertexUV Vertices[] =
	{
		{ { -1.0f, -1.0f, 0.0f }, { 0.0f, 0.0f } },
		{ { -1.0f, 1.0f, 0.0f }, { 0.0f, 1.0f } },
		{ { 1.0f, 1.0f, 0.0f }, { 1.0f, 1.0f } },
		{ { 1.0f, -1.0f, 0.0f }, { 1.0f, 0.0f } }
	};

	const size_t BufferSize = sizeof(Vertices);
	const size_t VertexSize = sizeof(Vertices[0]);
	const size_t UVOffset = sizeof(Vertices[0].xyz);

	// Setup our vertex buffer object.
	lpvbo->create();
	lpvbo->bind();
	lpvbo->allocate(Vertices, BufferSize);

	lpvbo->bind();

	QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
	f->glEnableVertexAttribArray(0);
	f->glEnableVertexAttribArray(1);
	f->glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, VertexSize, 0);
	f->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, VertexSize, reinterpret_cast<void *>(UVOffset));

	lpvbo->release();

	return lpvbo;
}
开发者ID:diegomazala，项目名称:alpha-matting，代码行数:39，代码来源:GLImageProcessor.cpp


注：本文中的QOpenGLFunctions::glVertexAttribPointer方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。