C++ renderQuad函数代码示例

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本文整理汇总了C++中renderQuad函数的典型用法代码示例。如果您正苦于以下问题：C++ renderQuad函数的具体用法？C++ renderQuad怎么用？C++ renderQuad使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了renderQuad函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: renderQuad

void eDeferredRenderer::_visualizeGeometryBuffer(const eRect &area) const
{
    eStateManager::push();
    eStateManager::bindVertexShader(m_vsQuad);
    eStateManager::bindPixelShader(m_psQuad);
    eStateManager::setCullingMode(eCULLING_NONE);
    eStateManager::setTextureAddressMode(0, eTEXADDRMODE_CLAMP);
    eStateManager::setCap(eCAP_ZBUFFER, eFALSE);
    eStateManager::setCap(eCAP_BLENDING, eFALSE);

    const eInt w = area.getWidth();
    const eInt h = area.getHeight();

    // Image at top left.
    eStateManager::bindTexture(0, m_specularRt);
   // renderQuad(eRect(0, h/2, w/2, h-1), area.getDimension());

    // Image at top right.
    eStateManager::bindTexture(0, m_diffuseRt);
    renderQuad(eRect(w/2, h/2, w-1, h-1), area.getDimension());

    // Image at bottom left.
    eStateManager::bindTexture(0, m_normalsRt);
    renderQuad(eRect(0, 0, w/2, h/2), area.getDimension());

    // Image at bottom right.
    eStateManager::bindTexture(0, m_positionRt);
    renderQuad(eRect(w/2, 0, w-1, h/2), area.getDimension());

    eStateManager::pop();
}

开发者ID:DX94，项目名称:Enigma-Studio-3，代码行数:31，代码来源:deferredrenderer.cpp

示例2: glClear

void DepthDarkening::process() {

    privatePort_.activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    if (!interactionMode())
        analyzeDepthBuffer(&inport_);

    // since the blurring is implemented as a separable filter,
    // two rendering passes are needed
    // first horizontal pass
    TextureUnit colorUnit, depthUnit0, depthUnit1;
    inport_.bindTextures(colorUnit.getEnum(), depthUnit0.getEnum());
    inport_.bindDepthTexture(depthUnit1.getEnum());
    // initialize shader
    program_->activate();
    setGlobalShaderParameters(program_);
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex0_", depthUnit0.getUnitNumber());
    program_->setUniform("depthTex1_", depthUnit1.getUnitNumber());
    inport_.setTextureParameters(program_, "texParams_");
    program_->setUniform("sigma_", sigma_.get());
    program_->setUniform("lambda_", lambda_.get());
    program_->setUniform("minDepth_", minDepth_.get());
    program_->setUniform("maxDepth_", maxDepth_.get());
    program_->setUniform("dir_", tgt::vec2(1.0,0.0));

    renderQuad();

    program_->deactivate();
    LGL_ERROR;

    // second vertical pass
    outport_.activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    inport_.bindColorTexture(colorUnit.getEnum());
    privatePort_.bindDepthTexture(depthUnit0.getEnum());

    // initialize shader
    program_->activate();
    setGlobalShaderParameters(program_);
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex0_", depthUnit0.getUnitNumber());
    program_->setUniform("depthTex1_", depthUnit1.getUnitNumber());
    inport_.setTextureParameters(program_, "texParams_");
    program_->setUniform("sigma_", sigma_.get());
    program_->setUniform("lambda_", lambda_.get());
    program_->setUniform("minDepth_", minDepth_.get());
    program_->setUniform("maxDepth_", maxDepth_.get());
    program_->setUniform("dir_", tgt::vec2(0.0,1.0));

    renderQuad();

    program_->deactivate();
    outport_.deactivateTarget();
    LGL_ERROR;
}

开发者ID:alvatar，项目名称:smartmatter，代码行数:57，代码来源:depthdarkening.cpp

示例3: glDepthFunc

void MultiScale::process() {
    inport_.bindTextures(GL_TEXTURE0, GL_TEXTURE1);
    LGL_ERROR;

    // initialize shader
    program_->activate();
    program_->setUniform("colorTex_", 0);
    program_->setUniform("depthTex_", 1);
    program_->setIgnoreUniformLocationError(true);
    program_->setUniform("colorTexParameters_.dimensions_", tgt::vec2(inport_.getSize()));
    program_->setUniform("colorTexParameters_.dimensionsRCP_", tgt::vec2(1.0f) / tgt::vec2(inport_.getSize()));
    program_->setUniform("colorTexParameters_.matrix_", tgt::mat4::identity);
    program_->setUniform("depthTexParameters_.dimensions_", tgt::vec2(inport_.getSize()));
    program_->setUniform("depthTexParameters_.dimensionsRCP_", tgt::vec2(1.0f) / tgt::vec2(inport_.getSize()));
    program_->setUniform("depthTexParameters_.matrix_", tgt::mat4::identity);
    program_->setIgnoreUniformLocationError(false);

    MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);

    glDepthFunc(GL_ALWAYS);
    if (outport1_.isReady()) {
        outport1_.activateTarget();
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        applyScalingMatrix(scalingMode1_.getValue(), &inport_, &outport1_);
        renderQuad();
        outport1_.deactivateTarget();
    }
    if (outport2_.isReady()) {
        outport2_.activateTarget();
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        applyScalingMatrix(scalingMode2_.getValue(), &inport_, &outport2_);
        renderQuad();
        outport2_.deactivateTarget();
    }
    if (outport3_.isReady()) {
        outport3_.activateTarget();
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        applyScalingMatrix(scalingMode3_.getValue(), &inport_, &outport3_);
        renderQuad();
        outport3_.deactivateTarget();
    }
    if (outport4_.isReady()) {
        outport4_.activateTarget();
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        applyScalingMatrix(scalingMode4_.getValue(), &inport_, &outport4_);
        renderQuad();
        outport4_.deactivateTarget();
    }
    glDepthFunc(GL_LESS);

    MatStack.loadIdentity();

    program_->deactivate();
    glActiveTexture(GL_TEXTURE0);
    LGL_ERROR;
}

开发者ID:151706061，项目名称:Voreen，代码行数:56，代码来源:multiscale.cpp

示例4: drawTrails

void drawTrails(QuadBuffer *q, int *index) {
    int i;

    if(index == NULL) {
        for(i = 0; i < q->current; i++)
            renderQuad(q->quads + i);
    } else {
        for(i = 0; i < q->current; i++) {
            /* printf("drawing quad %d\n", index[i]); */
            renderQuad(q->quads + index[i] );
        }
    }
    glDisable(GL_TEXTURE_2D);
}

开发者ID:BackupTheBerlios，项目名称:gltron-svn，代码行数:14，代码来源:trails_buffered.c

示例5: absoluteTransform

void PointLightSource::render(const UsefulRenderData& render_data)
{
  // If we are inside the sphere affected by the light source, render a full
  // quad. Otherwize just render the light sphere
  glm::vec4 position_world_space = glm::vec4(absoluteTransform()[3]);
  glm::vec3 position_view_space =
    glm::vec3(render_data.camera.viewTransform() * position_world_space);
  float distance_to_light_source = glm::length(position_view_space);
  
  // Probably not the best way of handling rescaled light sources,
  // but works for now..
  glm::vec3 scale;
  glm::quat rotation;
  glm::vec3 translation;
  glm::vec3 skew;
  glm::vec4 perspective;
  glm::decompose(
    absoluteTransform(), scale, rotation, translation, skew,perspective);
  float transform_scale = scale.x;

  if (distance_to_light_source < _sphere_scale * transform_scale)
    renderQuad(render_data);
  else
    renderSphere(render_data);
}

开发者ID:kbladin，项目名称:Simple_Graphics_Engine，代码行数:25，代码来源:light_source.cpp

示例6: glClear

void Gabor::process() {
    outport_.resize(tgt::ivec2(resolution_.get(), resolution_.get()));
    // activate and clear output render target
    outport_.activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // activate shader and set uniforms:
    program_->activate();
    setGlobalShaderParameters(program_);
    program_->setUniform("orientation_", (angle_.get()/360.0f)*2.0f*tgt::PIf);
    program_->setUniform("wavelength_", wavelength_.get());
    program_->setUniform("offset_", offset_.get());
    program_->setUniform("sigma_", sigma_.get());
    program_->setUniform("aRatio_", aspectRatio_.get());
    //program_->setUniform("aspectRatio_", aspectRatio_.get());

    // render screen aligned quad:
    glDepthFunc(GL_ALWAYS);
    renderQuad();
    glDepthFunc(GL_LESS);

    program_->deactivate();
    outport_.deactivateTarget();
    LGL_ERROR;
}

开发者ID:bsmr-opengl，项目名称:voreen，代码行数:25，代码来源:gabor.cpp

示例7: tgtAssert

/*
* Pass the image from inport to outport without changes
*/
void ImageProcessorBypassable::bypass(RenderPort* inport, RenderPort* outport) {
    tgtAssert(inport && outport, "null pointer passed");

    // activate and clear output render target
    outport->activateTarget();
    outport->clearTarget();

    // bind input rendering to texture units
    TextureUnit colorUnit, depthUnit;
    inport->bindTextures(colorUnit.getEnum(), depthUnit.getEnum());

    // activate shader and set uniforms
    tgtAssert(bypassProgram_, "bypass shader not loaded");
    bypassProgram_->activate();
    setGlobalShaderParameters(bypassProgram_);
    inport->setTextureParameters(bypassProgram_, "texParams_");
    bypassProgram_->setUniform("colorTex_", colorUnit.getUnitNumber());
    bypassProgram_->setUniform("depthTex_", depthUnit.getUnitNumber());

    // render screen aligned quad
    renderQuad();

    // cleanup
    bypassProgram_->deactivate();
    outport->deactivateTarget();
    TextureUnit::setZeroUnit();

    // check for OpenGL errors
    LGL_ERROR;
}

开发者ID:151706061，项目名称:Voreen，代码行数:33，代码来源:imageprocessorbypassable.cpp

示例8: glClear

void RenderLoopFinalizer::process() {
    if (loopOutport_.getLoopIteration() == loopOutport_.getNumLoopIterations()-1) {
        // last iteration: write input image to outport
        outport_.activateTarget();
    }
    else {
        // loop iteration: write input image to loop port
        loopOutport_.activateTarget();
    }

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    TextureUnit colorUnit, depthUnit;
    inport_.bindTextures(colorUnit.getEnum(), depthUnit.getEnum());
    LGL_ERROR;

    // initialize shader
    shaderPrg_->activate();

    // set common uniforms used by all shaders
    setGlobalShaderParameters(shaderPrg_);

    // pass the remaining uniforms to the shader
    shaderPrg_->setUniform("colorTex_", colorUnit.getUnitNumber());
    shaderPrg_->setUniform("depthTex_", depthUnit.getUnitNumber());
    inport_.setTextureParameters(shaderPrg_, "texParams_");

    renderQuad();

    shaderPrg_->deactivate();
    outport_.deactivateTarget();
    TextureUnit::setZeroUnit();

    LGL_ERROR;
}

开发者ID:MKLab-ITI，项目名称:gnorasi，代码行数:35，代码来源:renderloopfinalizer.cpp

示例9: tgtAssert

void TouchEventSimulator::process() {

    // activate and clear output render target
    outport_.activateTarget();
    outport_.clearTarget();

    // bind input rendering to texture units
    tgt::TextureUnit colorUnit, depthUnit;
    inport_.bindTextures(colorUnit.getEnum(), depthUnit.getEnum());

    // activate shader and set uniforms
    tgtAssert(program_, "bypass shader not loaded");
    program_->activate();
    setGlobalShaderParameters(program_);
    inport_.setTextureParameters(program_, "texParams_");
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex_", depthUnit.getUnitNumber());

    // render screen aligned quad
    renderQuad();

    // cleanup
    program_->deactivate();
    outport_.deactivateTarget();
    tgt::TextureUnit::setZeroUnit();

    // check for OpenGL errors
    LGL_ERROR;
}

开发者ID:DoumbiaAmadou，项目名称:Voreen，代码行数:29，代码来源:toucheventsimulator.cpp

示例10: glClear

void RenderLoopInitiator::process() {
    outport_.activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // activate shader
    shader_->activate();

    TextureUnit colorUnit, depthUnit;
    if (loopInport_.getLoopIteration() == 0) {
        // first iteration => copy initial input image to outport
        inport_.bindTextures(colorUnit.getEnum(), depthUnit.getEnum());
    }
    else {
        // loop iteration => copy loop input image to outport
        loopInport_.bindTextures(colorUnit.getEnum(), depthUnit.getEnum());
    }
    LGL_ERROR;

    // set common uniforms
    setGlobalShaderParameters(shader_);

    // pass texture parameters to the shader
    shader_->setUniform("colorTex_", colorUnit.getUnitNumber());
    shader_->setUniform("depthTex_", depthUnit.getUnitNumber());
    inport_.setTextureParameters(shader_, "texParams_");

    // execute shader
    renderQuad();

    // clean up
    shader_->deactivate();
    outport_.deactivateTarget();
    LGL_ERROR;
}

开发者ID:molsimmsu，项目名称:3mview，代码行数:34，代码来源:renderloopinitiator.cpp

示例11: bypass

void Fade::process() {

    if (!enableSwitch_.get()){
        bypass(&inport_, &outport_);
        return;
    }

    outport_.activateTarget();

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    TextureUnit colorUnit, depthUnit;
    inport_.bindTextures(colorUnit.getEnum(), depthUnit.getEnum());

    // intialize shader
    program_->activate();
    setGlobalShaderParameters(program_);
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex_", depthUnit.getUnitNumber());
    inport_.setTextureParameters(program_, "texParams_");
    program_->setUniform("fading_", 1-fading_.get());
    program_->setUniform("fadeColor_",color_.get());

    renderQuad();

    program_->deactivate();
    outport_.deactivateTarget();
    LGL_ERROR;
}

开发者ID:bsmr-opengl，项目名称:voreen，代码行数:29，代码来源:fade.cpp

示例12: compile

void ToneMapping::process() {

    if (getInvalidationLevel() >= Processor::INVALID_PROGRAM)
        compile();

    outport_.activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    TextureUnit colorUnit, depthUnit;
    inport_.bindColorTexture(colorUnit.getEnum());
    if (toneMappingMethod_.get() == "rahman-retinex") {
        glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
        glGenerateMipmapEXT(GL_TEXTURE_2D);
    }
    inport_.bindDepthTexture(depthUnit.getEnum());

    // initialize shader
    program_->activate();
    setGlobalShaderParameters(program_);

    // set uniforms
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex_", depthUnit.getUnitNumber());
    inport_.setTextureParameters(program_, "textureParameters_");

    // set method specific uniforms
    if (toneMappingMethod_.get() == "s-curve") {
        program_->setUniform("sigma_", scurveSigma_.get());
        program_->setUniform("power_", scurvePower_.get());
    }
    if (toneMappingMethod_.get() == "rahman-retinex") {
        if(rahmanTotalUpdate_ || inport_.hasChanged()){
            wTotal_ = 0.0f;
            float i = 0.0f;
            while(i<rahmanIterations_.get()){
                wTotal_ += pow(rahmanIterations_.get() - i + 1, rahmanFrequency_.get());
                i++;
            }
            rahmanTotalUpdate_ = false;
        }

        //colorUnit.activate();
        //glGenerateMipmapEXT(GL_TEXTURE_2D);

        program_->setUniform("frequency_", rahmanFrequency_.get());
        program_->setUniform("subtractionFactor_", rahmanSubtractionFactor_.get());
        program_->setUniform("iterations_", rahmanIterations_.get());
        program_->setUniform("maxLevel_", rahmanMaxLevel_.get());
        program_->setUniform("wTotal_", wTotal_);
    }

    renderQuad();

    program_->deactivate();
    outport_.deactivateTarget();
    TextureUnit::setZeroUnit();
    LGL_ERROR;
}

开发者ID:bsmr-opengl，项目名称:voreen，代码行数:60，代码来源:tonemapping.cpp

示例13: renderQuad

void eDeferredRenderer::_renderAmbientPass(eTexture2d *target, eTexture2d *depthTarget, const eScene &scene, const eRect &area)
{
    // calculate the ambient color
    eColor ambient;
    for (eU32 i=0; i<scene.getLightCount(); i++)
        ambient += scene.getLight(i).getAmbient();

    // render the ambient light
    static eConstBuffer<eVector4, eST_PS> cb;
    cb.data = ambient;

    eRenderState &rs = eGfx->freshRenderState();
    rs.targets[0] = target;
	rs.depthTarget = depthTarget;
    rs.ps = m_psDefAmbient;
    rs.constBufs[eCBI_PASS_AMBIENT] = &cb;
    rs.textures[0] = m_rtDiffuse;
	rs.textures[3] = m_rtPosition;
    rs.textures[4] = m_rtEnvironment;
    rs.texFlags[0] = eTMF_CLAMP|eTMF_NEAREST;
	rs.texFlags[3] = eTMF_CLAMP|eTMF_NEAREST;
    rs.texFlags[4] = eTMF_CLAMP|eTMF_NEAREST;

    eGfx->clear(eCM_COLOR, eCOL_YELLOW);
    renderQuad(area, area.getSize(), nullptr);
}

开发者ID:enigmastudio，项目名称:Enigma-Studio-4，代码行数:26，代码来源:deferredrenderer.cpp

示例14: bypass

void ImageThreshold::process() {

    if (!enableSwitch_.get()){
        bypass(&inport_, &outport_);
        return;
    }

    outport_.activateTarget();
    outport_.clearTarget();

    TextureUnit colorUnit, depthUnit;
    inport_.bindTextures(colorUnit, depthUnit);

    // initialize shader
    program_->activate();
    setGlobalShaderParameters(program_);
    program_->setUniform("colorTex_", colorUnit.getUnitNumber());
    program_->setUniform("depthTex_", depthUnit.getUnitNumber());
    inport_.setTextureParameters(program_, "texParams_");
    program_->setUniform("lowerThreshold_", lowerThreshold_.get());
    program_->setUniform("upperThreshold_", upperThreshold_.get());
    program_->setUniform("lowerMaskColor_", lowerMaskColor_.get());
    program_->setUniform("upperMaskColor_", upperMaskColor_.get());

    renderQuad();

    program_->deactivate();
    outport_.deactivateTarget();
    TextureUnit::setZeroUnit();
    LGL_ERROR;
}

开发者ID:151706061，项目名称:Voreen，代码行数:31，代码来源:imagethreshold.cpp

示例15: _renderLightDistance

void eDeferredRenderer::_renderLightPass(eScene &scene, const eCamera &cam, const eRect &area)
{
    eStateManager::push();
    eStateManager::bindTexture(0, m_diffuseRt);
    eStateManager::bindTexture(1, m_normalsRt);
    eStateManager::bindTexture(2, m_specularRt);
    eStateManager::bindTexture(3, m_positionRt);
    eStateManager::bindTexture(4, m_deferredShadowMap);
    eStateManager::setTextureFilter(0, eTEXFILTER_NEAREST);
    eStateManager::setTextureFilter(1, eTEXFILTER_NEAREST);
    eStateManager::setTextureFilter(2, eTEXFILTER_NEAREST);
    eStateManager::setTextureFilter(3, eTEXFILTER_NEAREST);
    eStateManager::setTextureFilter(4, eTEXFILTER_BILINEAR);
    eStateManager::setTextureAddressMode(4, eTEXADDRMODE_CLAMP);
    eStateManager::setCap(eCAP_BLENDING, eTRUE);
    eStateManager::setBlendModes(eBLEND_ONE, eBLEND_ONE, eBLENDOP_ADD);
    eStateManager::bindPixelShader(m_psDefLight);
    eStateManager::bindVertexShader(m_vsQuad);

    for (eU32 i=0; i<scene.getLightCount(); i++)
    {
        const eLight &light = scene.getLight(i);

        if (light.activateScissor(area.getDimension(), cam))
        {
            _renderLightDistance(scene, light);
            _renderShadowMap(cam, light);

            light.activate(m_gfx, cam.getViewMatrix());
            renderQuad(area, area.getDimension());
        }
    }

    eStateManager::pop();
}

开发者ID:DX94，项目名称:Enigma-Studio-3，代码行数:35，代码来源:deferredrenderer.cpp

示例16: setGlobalShaderParameters

void StereoMeshEntryExitPoints::jitterEntryPoints() {
    shaderProgramJitter_->activate();
    tgt::Camera cam = camera_.get();
    setGlobalShaderParameters(shaderProgramJitter_, &cam);

    // bind texture
    TextureUnit entryUnit, entryDepthUnit, exitUnit;

    // bind entry points texture and depth texture (have been rendered to temporary port)
    tmpPort_.bindColorTexture(entryUnit.getEnum());
    shaderProgramJitter_->setUniform("entryPoints_", entryUnit.getUnitNumber());

    tmpPort_.bindDepthTexture(entryDepthUnit.getEnum());
    shaderProgramJitter_->setUniform("entryPointsDepth_", entryDepthUnit.getUnitNumber());
    tmpPort_.setTextureParameters(shaderProgramJitter_, "entryParameters_");

    // bind exit points texture
    exitPort_.bindColorTexture(exitUnit.getEnum());
    shaderProgramJitter_->setUniform("exitPoints_", exitUnit.getUnitNumber());
    exitPort_.setTextureParameters(shaderProgramJitter_, "exitParameters_");

    shaderProgramJitter_->setUniform("stepLength_", jitterStepLength_.get());

    entryPort_.activateTarget("jitteredEntryParams");
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // render screen aligned quad
    renderQuad();

    shaderProgramJitter_->deactivate();
}

开发者ID:molsimmsu，项目名称:3mview，代码行数:31，代码来源:stereomeshentryexitpoints.cpp

示例17: setGlobalShaderParameters

void SimpleRaycaster::process() {
    // activate and clear output render target
    outport_.activateTarget();
    outport_.clearTarget();

    // retrieve shader from shader property
    tgt::Shader* shader = shader_.getShader();
    if (!shader || !shader->isLinked()) {
        outport_.deactivateTarget();
        return;
    }

    // activate shader and set common uniforms
    shader->activate();
    tgt::Camera cam = camera_.get();
    setGlobalShaderParameters(shader, &cam);

    // bind entry and exit params and pass texture units to the shader
    TextureUnit entryUnit, entryDepthUnit, exitUnit, exitDepthUnit;
    entryPort_.bindTextures(entryUnit, entryDepthUnit);
    shader->setUniform("entryPoints_", entryUnit.getUnitNumber());
    shader->setUniform("entryPointsDepth_", entryDepthUnit.getUnitNumber());
    entryPort_.setTextureParameters(shader, "entryParameters_");

    exitPort_.bindTextures(exitUnit, exitDepthUnit);
    shader->setUniform("exitPoints_", exitUnit.getUnitNumber());
    shader->setUniform("exitPointsDepth_", exitDepthUnit.getUnitNumber());
    exitPort_.setTextureParameters(shader, "exitParameters_");

    // bind volume texture and pass it to the shader
    std::vector<VolumeStruct> volumeTextures;
    TextureUnit volUnit;
     volumeTextures.push_back(VolumeStruct(
        volumePort_.getData(),
        &volUnit,
        "volume_",
        "volumeStruct_",
        volumePort_.getTextureClampModeProperty().getValue(),
        tgt::vec4(volumePort_.getTextureBorderIntensityProperty().get()),
        volumePort_.getTextureFilterModeProperty().getValue())
    );
    bindVolumes(shader, volumeTextures, &cam, lightPosition_.get());

    // bind transfer function and pass it to the shader
    TextureUnit transferUnit;
    if (transferFunc_.get()) {
        transferUnit.activate();
        transferFunc_.get()->bind();
        transferFunc_.get()->setUniform(shader, "transferFunc_", "transferFuncTex_", transferUnit.getUnitNumber());
    }

    // render screen aligned quad
    renderQuad();

    // clean up
    shader->deactivate();
    outport_.deactivateTarget();
    TextureUnit::setZeroUnit();
    LGL_ERROR;
}

开发者ID:molsimmsu，项目名称:3mview，代码行数:60，代码来源:simpleraycaster.cpp

示例18: tgtAssert

void VolumeRaycaster::rescaleRendering(RenderPort& srcPort, RenderPort& destPort) {
    // activate and clear output render target
    destPort.activateTarget();
    destPort.clearTarget();

    // activate shader and set uniforms
    tgtAssert(rescaleShader_, "bypass shader not loaded");
    rescaleShader_->activate();
    setGlobalShaderParameters(rescaleShader_, 0, destPort.getSize());

    // bind input rendering to texture units
    tgt::TextureUnit colorUnit, depthUnit;
    srcPort.bindTextures(colorUnit.getEnum(), depthUnit.getEnum(), GL_LINEAR);
    srcPort.setTextureParameters(rescaleShader_, "texParams_");
    rescaleShader_->setUniform("colorTex_", colorUnit.getUnitNumber());
    rescaleShader_->setUniform("depthTex_", depthUnit.getUnitNumber());

    // render screen aligned quad
    renderQuad();

    // cleanup
    rescaleShader_->deactivate();
    destPort.deactivateTarget();
    TextureUnit::setZeroUnit();

    // check for OpenGL errors
    LGL_ERROR;
}

开发者ID:151706061，项目名称:Voreen，代码行数:28，代码来源:volumeraycaster.cpp

示例19: setGlobalShaderParameters

  void RenderColorCube::fillEntryPoints(tgt::RenderTarget *firstBackTarget,
    tgt::RenderTarget *firstFrontTarget,
    tgt::RenderTarget *output,
    const tgt::Geometry *geometry,
    tgt::Camera *camera)
  {
    MatStack.matrixMode(tgt::MatrixStack::PROJECTION);
    MatStack.pushMatrix();
    MatStack.loadIdentity();

    MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
    MatStack.pushMatrix();
    MatStack.loadIdentity();

    shaderInsideVolume_->activate();
    setGlobalShaderParameters(shaderInsideVolume_, camera, output->getSize());

    // bind texture
    tgt::TextureUnit firstFrontUnit, firstFrontDepthUnit, firstBackUnit, firstBackDepthUnit;

    // bind firstFront points texture and depth texture
    firstFrontTarget->bindColorTexture(firstFrontUnit.getEnum());
    shaderInsideVolume_->setUniform("firstFront_", firstFrontUnit.getUnitNumber());
    firstFrontTarget->bindDepthTexture(firstFrontDepthUnit.getEnum());
    shaderInsideVolume_->setUniform("firstFrontDepth_", firstFrontDepthUnit.getUnitNumber());
    firstFrontTarget->setTextureParameters(shaderInsideVolume_, "firstFrontParameters_");

    // bind firstBack points texture
    firstBackTarget->bindColorTexture(firstBackUnit.getEnum());
    shaderInsideVolume_->setUniform("firstBack_", firstBackUnit.getUnitNumber());
    firstBackTarget->bindDepthTexture(firstBackDepthUnit.getEnum());
    //shaderInsideVolume_->setUniform("firstBackDepth_", firstBackDepthUnit.getUnitNumber());
    firstBackTarget->setTextureParameters(shaderInsideVolume_, "firstBackParameters_");

    shaderInsideVolume_->setUniform("near_", camera->getNearDist());
    shaderInsideVolume_->setUniform("far_", camera->getFarDist());

    tgt::BoundingBox bounds = geometry->getBoundingBox(false);
    shaderInsideVolume_->setUniform("llf_", bounds.getLLF());
    shaderInsideVolume_->setUniform("urb_", bounds.getURB());

    glm::mat4 worldToTextureMatrix = glm::inverse(geometry->getTransformationMatrix());
    shaderInsideVolume_->setUniform("worldToTexture_", worldToTextureMatrix);

    output->activateTarget();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // render screen aligned quad
    renderQuad();

    shaderInsideVolume_->deactivate();
    output->deactivateTarget();

    MatStack.matrixMode(tgt::MatrixStack::PROJECTION);
    MatStack.popMatrix();
    MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
    MatStack.popMatrix();
    LGL_ERROR;
  }

开发者ID:alvin-me，项目名称:MIVT，代码行数:59，代码来源:rendercolorcube.cpp

示例20: getAlpha

void Rectangle3DOverlay::render(RenderArgs* args) {
    if (!_visible) {
        return; // do nothing if we're not visible
    }

    float alpha = getAlpha();
    xColor color = getColor();
    const float MAX_COLOR = 255.0f;
    glm::vec4 rectangleColor(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);

    glm::vec3 position = getPosition();
    glm::vec2 dimensions = getDimensions();
    glm::vec2 halfDimensions = dimensions * 0.5f;
    glm::quat rotation = getRotation();

    auto batch = args->_batch;

    if (batch) {
        Transform transform;
        transform.setTranslation(position);
        transform.setRotation(rotation);

        batch->setModelTransform(transform);
        auto geometryCache = DependencyManager::get<GeometryCache>();

        if (getIsSolid()) {
            glm::vec3 topLeft(-halfDimensions.x, -halfDimensions.y, 0.0f);
            glm::vec3 bottomRight(halfDimensions.x, halfDimensions.y, 0.0f);
            geometryCache->bindSimpleProgram(*batch);
            geometryCache->renderQuad(*batch, topLeft, bottomRight, rectangleColor);
        } else {
            geometryCache->bindSimpleProgram(*batch, false, false, false, true, true);
            if (getIsDashedLine()) {
                glm::vec3 point1(-halfDimensions.x, -halfDimensions.y, 0.0f);
                glm::vec3 point2(halfDimensions.x, -halfDimensions.y, 0.0f);
                glm::vec3 point3(halfDimensions.x, halfDimensions.y, 0.0f);
                glm::vec3 point4(-halfDimensions.x, halfDimensions.y, 0.0f);

                geometryCache->renderDashedLine(*batch, point1, point2, rectangleColor);
                geometryCache->renderDashedLine(*batch, point2, point3, rectangleColor);
                geometryCache->renderDashedLine(*batch, point3, point4, rectangleColor);
                geometryCache->renderDashedLine(*batch, point4, point1, rectangleColor);
            } else {
                if (halfDimensions != _previousHalfDimensions) {
                    QVector<glm::vec3> border;
                    border << glm::vec3(-halfDimensions.x, -halfDimensions.y, 0.0f);
                    border << glm::vec3(halfDimensions.x, -halfDimensions.y, 0.0f);
                    border << glm::vec3(halfDimensions.x, halfDimensions.y, 0.0f);
                    border << glm::vec3(-halfDimensions.x, halfDimensions.y, 0.0f);
                    border << glm::vec3(-halfDimensions.x, -halfDimensions.y, 0.0f);
                    geometryCache->updateVertices(_geometryCacheID, border, rectangleColor);

                    _previousHalfDimensions = halfDimensions;
                }
                geometryCache->renderVertices(*batch, gpu::LINE_STRIP, _geometryCacheID);
            }
        }
    }
}

开发者ID:AlexanderOtavka，项目名称:hifi，代码行数:59，代码来源:Rectangle3DOverlay.cpp

注：本文中的renderQuad函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。

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C++ renderQuad函数代码示例

示例1: renderQuad

示例2: glClear

示例3: glDepthFunc

示例4: drawTrails

示例5: absoluteTransform

示例6: glClear

示例7: tgtAssert

示例8: glClear

示例9: tgtAssert

示例10: glClear

示例11: bypass

示例12: compile

示例13: renderQuad

示例14: bypass

示例15: _renderLightDistance

示例16: setGlobalShaderParameters

示例17: setGlobalShaderParameters

示例18: tgtAssert

示例19: setGlobalShaderParameters

示例20: getAlpha

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