本文整理汇总了C++中QOpenGLShaderProgram::uniformLocation方法的典型用法代码示例。如果您正苦于以下问题：C++ QOpenGLShaderProgram::uniformLocation方法的具体用法？C++ QOpenGLShaderProgram::uniformLocation怎么用？C++ QOpenGLShaderProgram::uniformLocation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QOpenGLShaderProgram的用法示例。
在下文中一共展示了QOpenGLShaderProgram::uniformLocation方法的7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: call
template <typename R> void call(R *r) {
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = *(con.second.get());
if (cc.adhCoef > 0) {
shader.bind();
cube.vao.bind();
QColor color = QColor::fromHsvF(cc.adhCoef * 0.45, 0.7, 0.7);
shader.setUniformValue(shader.uniformLocation("color"), color);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
QMatrix4x4 model;
auto ab = toQV3D(cc.cells.second->getPosition() - cc.cells.first->getPosition());
model.translate(toQV3D(cc.cells.second->getPosition()) - ab * 0.5);
auto dp = ab.normalized().x();
if (dp != 1 && dp != -1) {
model.rotate(acos(dp) * 180.0 / M_PI,
QVector3D::crossProduct(QVector3D(1, 0, 0), ab));
model.scale(ab.length() * 0.5, 1.0, 1.0);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, cube.indices.size(), GL_UNSIGNED_INT, 0);
}
cube.vao.release();
shader.release();
}
}
}示例2: col
template <typename R> void call(R *r) {
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
shader.bind();
sphere.vao.bind();
texture->bind(0);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
for (auto &n : r->getScenario().nutrientSources) {
QMatrix4x4 model;
model.translate(n.pos.x(), n.pos.y(), n.pos.z());
double c = n.content / n.initialcontent;
double l = 15.0 + sqrt(n.sqradius * c) * 0.05;
model.scale(l, l, l);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
auto hsv = QColor::fromHsvF(c * 0.35, 0.9, 0.9);
QVector4D col(hsv.redF(), hsv.greenF(), hsv.blueF(), 0.5);
std::cerr << "c = " << c << ", r = " << col.x() << std::endl;
shader.setUniformValue(shader.uniformLocation("color"), col);
GL->glDrawElements(GL_TRIANGLES, sphere.indices.size(), GL_UNSIGNED_INT, 0);
}
sphere.vao.release();
shader.release();
}示例3: initialize
void QQuickShapeConicalGradientShader::initialize()
{
QOpenGLShaderProgram *prog = program();
m_opacityLoc = prog->uniformLocation("opacity");
m_matrixLoc = prog->uniformLocation("matrix");
m_angleLoc = prog->uniformLocation("angle");
m_translationPointLoc = prog->uniformLocation("translationPoint");
}示例4: initialize
//! [4]
void TriangleWindow::initialize()
{
m_program = new QOpenGLShaderProgram(this);
m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderSource);
m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragmentShaderSource);
m_program->link();
m_posAttr = m_program->attributeLocation("posAttr");
m_colAttr = m_program->attributeLocation("colAttr");
m_matrixUniform = m_program->uniformLocation("matrix");
}示例5: draw
void SeaNode::draw(std::stack<QMatrix4x4> &MVStack, QMatrix4x4 cameraMatrix, QMatrix4x4 projectionMatrix, QOpenGLShaderProgram *shader) {
QOpenGLShaderProgram *sh = Shaders::waterGeometryProgram;
MVStack.push(MVStack.top());
MVStack.top().translate(this->translation);
//Convert the quat to a matrix, may be a performance leak.
QMatrix4x4 tempRot;
tempRot.rotate(this->rotation.normalized());
MVStack.top() *= tempRot;
//If the node is a leaf, draw its contents
if(leaf) {
Shaders::bind(sh);
glUniformMatrix4fv(sh->uniformLocation("modelViewMatrix"), 1, GL_FALSE, MVStack.top().constData());
glUniformMatrix4fv(sh->uniformLocation("cameraInverseMatrix"), 1, GL_FALSE, cameraMatrix.inverted().constData());
glUniformMatrix4fv(sh->uniformLocation("perspectiveMatrix"), 1, GL_FALSE, projectionMatrix.constData());
glUniformMatrix4fv(sh->uniformLocation("normalMatrix"), 1, GL_FALSE, MVStack.top().inverted().transposed().constData());
int r = (id & 0x000000FF) >> 0;
int g = (id & 0x0000FF00) >> 8;
int b = (id & 0x00FF0000) >> 16;
glUniform4f(sh->uniformLocation("id"), r/255.0f, g/255.0f, b/255.0f, 1.0f);
glUniform4fv(sh->uniformLocation("color"), 1, color);
struct timeval start;
gettimeofday(&start, NULL);
float seconds = ((start.tv_sec % (int) periodicity) + start.tv_usec / 1000000.0) / (periodicity / 4);
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_3D, noiseTexture);
//glUniform1i(sh->uniformLocation("noiseTexture"), 5);
glUniform1i(sh->uniformLocation("seaWidth"), seaWidth);
glUniform1i(sh->uniformLocation("seaHeight"), seaHeight);
glUniform1f(sh->uniformLocation("time"), seconds);
this->primitive->draw();
Shaders::release(sh);
} else {示例6: SceneGraph
SeaNode::SeaNode(Primitive *p, std::string name)
: SceneGraph(p, name)
{
seaWidth = 256;
seaHeight = 256;
periodicity = 512;
//Create noise texture
float frequency = 1.0 / pow(2.0, 5);
noiseData = new GLfloat[seaWidth * seaHeight * (int) periodicity];
for(int z = 0; z < (int) periodicity; z++) {
for(int y = 0; y < seaHeight; y++) {
for(int x = 0; x < seaWidth; x++) {
noiseData[z * (seaWidth * seaHeight) + y * seaWidth + x] = scaled_raw_noise_3d(0.0, 1.0, x * frequency, y * frequency, z * frequency);
}
}
}
glGenTextures(1, &noiseTexture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_3D, noiseTexture);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage3D(GL_TEXTURE_3D, 0, GL_R16, seaWidth, seaHeight, periodicity, 0, GL_RED, GL_FLOAT, (void*) noiseData);
glBindTexture(GL_TEXTURE_3D, 0);
QOpenGLShaderProgram *sh = Shaders::waterGeometryProgram;
Shaders::bind(sh);
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_3D, noiseTexture);
glUniform1i(sh->uniformLocation("noiseTexture"), 5);
Shaders::release(sh);
}示例7: color
template <typename R> void call(R *r) {
using V = decltype(declval<typename R::Cell>().getPosition());
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
shader.bind();
disk.vao.bind();
QVector4D color(0.9f, 0.9f, 0.05f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(
toQV3D(cc.cells.first->getPosition() + cc.normal * cc.midpoint.first));
auto rot = V::getRotation(V(0, 0, 1), cc.normal);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
color = QVector4D(0.1f, 0.7f, 0.f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(toQV3D(cc.cells.first->getPosition() +
cc.icb.first.currentBasis.X * cc.midpoint.first));
auto rot = V::getRotation(V(0, 0, 1), cc.icb.first.currentBasis.X);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
color = QVector4D(0.f, 0.1f, 0.7f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(toQV3D(cc.cells.second->getPosition() +
cc.icb.second.currentBasis.X * cc.midpoint.second));
auto rot = V::getRotation(V(0, 0, 1), cc.icb.second.currentBasis.X);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
disk.vao.release();
shader.release();
}