void LayerRadialGradient::onDraw(const Mat4& transform, uint32_t /*flags*/)
{
auto program = getGLProgram();
program->use();
program->setUniformsForBuiltins(transform);
program->setUniformLocationWith4f(_uniformLocationStartColor, _startColorRend.r,
_startColorRend.g, _startColorRend.b, _startColorRend.a);
program->setUniformLocationWith4f(_uniformLocationEndColor, _endColorRend.r,
_endColorRend.g, _endColorRend.b, _endColorRend.a);
program->setUniformLocationWith2f(_uniformLocationCenter, _center.x, _center.y);
program->setUniformLocationWith1f(_uniformLocationRadius, _radius);
program->setUniformLocationWith1f(_uniformLocationExpand, _expand);
GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION);
//
// Attributes
//
glBindBuffer(GL_ARRAY_BUFFER, 0);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, _vertices);
GL::blendFunc(_blendFunc.src, _blendFunc.dst);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,4);
}
void ShaderNode::onDraw(const kmMat4 &transform, bool transformUpdated)
{
auto shader = getShaderProgram();
shader->use();
shader->setUniformsForBuiltins(transform);
shader->setUniformLocationWith2f(_uniformResolution, _resolution.x, _resolution.y);
//glUniform1f(_uniformTime, _time); // We uses the build-in @CC_Time[4]
this->setCustomUniforms();
GL::enableVertexAttribs( cocos2d::GL::VERTEX_ATTRIB_FLAG_POSITION );
/* Draw viewport with two triangles */
GLfloat vertices[12] = {0, 0, _resolution.x, 0, _resolution.x, _resolution.y,
0, 0, 0, _resolution.y, _resolution.x,_resolution.y};
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
glDrawArrays(GL_TRIANGLES, 0, 6);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,6);
}
void BlurSprite::setCustomUniforms()
{
auto program = getShaderProgram();
program->setUniformLocationWith2f(pixelSizeLocation, _pixelSize.x, _pixelSize.y);
program->setUniformLocationWith4f(coefficientLocation, _samplingRadius, _scale,_cons,_weightSum);
}
