veMaterial* veDeferredRenderPipeline::createIBLightMaterial(veLight *light)
{
auto material = new veMaterial;
auto technique = new veTechnique;
auto pass = new vePass;
material->addTechnique(technique);
technique->addPass(pass);
initLightCommomParams(light, pass);
pass->setRenderPass(vePass::FORWARD_PASS);
pass->depthTest() = false;
pass->depthWrite() = false;
pass->stencilTest() = false;
pass->cullFace() = true;
pass->cullFaceMode() = GL_BACK;
pass->blendFunc().src = GL_ONE;
pass->blendFunc().dst = GL_ONE;
pass->blendEquation() = GL_FUNC_ADD;
pass->setShader(new veShader(veShader::VERTEX_SHADER, SCREEN_BASED_LIGHT_VERTEX_SHADER));
pass->setShader(new veShader(veShader::FRAGMENT_SHADER, IB_LIGHT_FRAGMENT_SHADER));
pass->addUniform(new veUniform("u_lightDirection", veVec3::ZERO));
pass->addUniform(new veUniform("u_specularMipMapCount", 1.0f));
pass->addUniform(new veUniform("u_diffuseLighting", 4));
pass->addUniform(new veUniform("u_specularLighting", 5));
return material;
}
veMaterial* veDeferredRenderPipeline::createDirectionalLightMaterial(veLight *light)
{
auto material = new veMaterial;
auto technique = new veTechnique;
auto pass = new vePass;
material->addTechnique(technique);
technique->addPass(pass);
initLightCommomParams(light, pass);
pass->setRenderPass(vePass::FORWARD_PASS);
pass->depthTest() = false;
pass->depthWrite() = false;
pass->stencilTest() = false;
pass->cullFace() = true;
pass->cullFaceMode() = GL_BACK;
pass->blendFunc().src = GL_ONE;
pass->blendFunc().dst = GL_ONE;
pass->blendEquation() = GL_FUNC_ADD;
pass->setShader(new veShader(veShader::VERTEX_SHADER, SCREEN_BASED_LIGHT_VERTEX_SHADER));
pass->setShader(new veShader(veShader::FRAGMENT_SHADER, DIRECTIONAL_LIGHT_FRAGMENT_SHADER));
pass->addUniform(new veUniform("u_lightDirection", veVec3::ZERO));
pass->addUniform(new veUniform("u_lightMatrixs", &veMat4::IDENTITY, 1));
pass->addUniform(new veUniform("u_shadowCascadedLevels", 0.f));
pass->addUniform(new veUniform("u_shadowCascadedCount", 0.f));
pass->addUniform(new veUniform("u_shadowTex", 4));
return material;
}
po::BlendState::BlendState() {
enabled = false;
blendEquation(GL_FUNC_ADD);
blendFunc(GL_ONE, GL_ZERO);
color = poColor::transparent;
}
void PCPUploadRenderer::renderParallelCoordinates() {
std::shared_ptr<const ParallelCoordinatesPlotRawData> data = _inport.getData();
int nDimensions = data->minMax.size();
int nValues = data->data.size();
utilgl::GlBoolState depthTest(GL_DEPTH_TEST, !_depthTesting);
utilgl::BlendModeEquationState blendEquation(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_FUNC_ADD);
utilgl::GlBoolState lineSmooth(GL_LINE_SMOOTH, _lineSmoothing);
if (_lineSmoothing)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
_shader.activate();
_shader.setUniform("_nDimensions", nDimensions);
_shader.setUniform("_nData", nValues / nDimensions);
_shader.setUniform("_horizontalBorder", _horizontalBorder);
_shader.setUniform("_verticalBorder", _verticalBorder);
_shader.setUniform("_depthTesting", !_depthTesting);
_shader.setUniform("_alphaFactor", _alphaFactor);
TextureUnit tfUnit;
utilgl::bindTexture(_transFunc, tfUnit);
_shader.setUniform("_transFunc", tfUnit.getUnitNumber());
glBindVertexArray(_vao);
bool hasColoringData = _coloringData.hasData() && _coloringData.getData()->hasData;
_shader.setUniform("_hasColoringData", hasColoringData);
if (hasColoringData) {
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, _coloringData.getData()->ssboColor);
}
//glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, data->ssboData);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, _dimensionOrderingBuffer);
//for (int i = 0; i < nValues / nDimensions; ++i) {
// glDrawElements(GL_LINE_STRIP, nDimensions, )
//}
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(PRIM_RESTART);
glDrawElements(GL_LINE_STRIP, nValues / nDimensions, GL_UNSIGNED_INT, _drawElements);
glDisable(GL_PRIMITIVE_RESTART);
//glDrawArrays(GL_LINE_STRIP, 0, nValues);
//glMultiDrawArrays(GL_LINE_STRIP, _multiDrawIndices, _multiDrawCount, nValues / nDimensions);
//glDrawArraysInstanced(GL_LINE_STRIP, 0, data->nDimensions, data->nValues / data->nDimensions);
glBindVertexArray(0);
_shader.deactivate();
}
veMaterial* veDeferredRenderPipeline::createSpotLightMaterial(veLight *light)
{
auto material = new veMaterial;
auto technique = new veTechnique;
auto pass0 = new vePass;
auto pass1 = new vePass;
material->addTechnique(technique);
technique->addPass(pass0);
technique->addPass(pass1);
pass0->setRenderPass(vePass::FORWARD_PASS);
pass0->depthTest() = true;
pass0->depthWrite() = false;
pass0->stencilTest() = true;
pass0->cullFace() = false;
pass0->stencilFunc() = { GL_ALWAYS, 0, 0, GL_ALWAYS, 0, 0 };
pass0->stencilOp() = { GL_KEEP, GL_DECR_WRAP, GL_KEEP, GL_KEEP, GL_INCR_WRAP, GL_KEEP };
pass0->blendFunc() = veBlendFunc::DISABLE;
pass0->setShader(new veShader(veShader::VERTEX_SHADER, WORLD_BASED_LIGHT_VERTEX_SHADER));
pass0->setShader(new veShader(veShader::FRAGMENT_SHADER, "layout(location=0) out vec4 fragColor;void main(){}"));
pass0->addUniform(new veUniform("u_ModelViewProjectMat", MVP_MATRIX));
pass0->setApplyFunctionCallback([]() {
glClear(GL_STENCIL_BUFFER_BIT);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
});
initLightCommomParams(light, pass1);
pass1->setRenderPass(vePass::FORWARD_PASS);
pass1->depthTest() = false;
pass1->depthWrite() = false;
pass1->stencilTest() = true;
pass1->cullFace() = true;
pass1->cullFaceMode() = GL_FRONT;
pass1->blendFunc().src = GL_ONE;
pass1->blendFunc().dst = GL_ONE;
pass1->blendEquation() = GL_FUNC_ADD;
pass1->stencilFunc() = { GL_NOTEQUAL, 0, 0xFF, GL_NOTEQUAL, 0, 0xFF };
pass1->setShader(new veShader(veShader::VERTEX_SHADER, WORLD_BASED_LIGHT_VERTEX_SHADER));
pass1->setShader(new veShader(veShader::FRAGMENT_SHADER, SPOT_LIGHT_FRAGMENT_SHADER));
pass1->addUniform(new veUniform("u_ModelViewProjectMat", MVP_MATRIX));
pass1->addUniform(new veUniform("u_lightDirection", veVec3(0.0f)));
pass1->addUniform(new veUniform("u_lightPosition", veVec3(0.0f)));
pass1->addUniform(new veUniform("u_lightMatrix", veMat4::IDENTITY));
pass1->addUniform(new veUniform("u_lightARI", 0.0f));
pass1->addUniform(new veUniform("u_lightInnerAngleCos", 0.0f));
pass1->addUniform(new veUniform("u_lightOuterAngleCos", 0.0f));
pass1->addUniform(new veUniform("u_shadowTex", 4));
pass1->setApplyFunctionCallback([]() {
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
});
return material;
}
Material::Material(Material_t tag)
: tag(tag),
vertexShader(this),
fragmentShader(this),
index0AttributeName(this)
{
mId = Material::MaterialIdCount++;
mUuid = Math::generateUUID();
mName = "";
side() = kFrontSide;
opacity() = 1.0f;
transparent() = false;
blending() = kNormalBlending;
blendSrc() = kSrcAlphaFactor;
blendDst() = kOneMinusSrcAlphaFactor;
blendEquation() = kAddEquation;
depthTest() = true;
depthWrite() = true;
polygonOffset() = false;
polygonOffsetFactor() = 0;
polygonOffsetUnits() = 0;
// mAlphaTest = 0;
overdraw() = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer
visible() = true;
needsUpdate() = true;
// By default, bind position to attribute index 0. In WebGL, attribute 0
// should always be used to avoid potentially expensive emulation.
index0AttributeName("position");
linewidth() = 1.0f;
metal() = false;
perPixel() = true;
shading() = kNoShading;
vertexColors() = kNoColors;
wireframe() = false;
wireframeLinewidth() = 1.0f;
}
void PCPRenderer::renderParallelCoordinates() {
std::shared_ptr<const ParallelCoordinatesPlotData> data = _inport.getData();
utilgl::GlBoolState depthTest(GL_DEPTH_TEST, !_depthTesting);
//utilgl::GlBoolState alpha(GL_ALPHA, _alphaFactor != 1.f);
utilgl::BlendModeEquationState blendEquation(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_FUNC_ADD);
utilgl::GlBoolState lineSmooth(GL_LINE_SMOOTH, _lineSmoothing);
if (_lineSmoothing)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
_shader.activate();
_shader.setUniform("_nDimensions", data->nDimensions);
_shader.setUniform("_nData", data->nValues / data->nDimensions);
_shader.setUniform("_horizontalBorder", _horizontalBorder);
_shader.setUniform("_verticalBorder", _verticalBorder);
_shader.setUniform("_depthTesting", _depthTesting);
_shader.setUniform("_alphaFactor", _alphaFactor);
TextureUnit tfUnit;
utilgl::bindTexture(_transFunc, tfUnit);
_shader.setUniform("_transFunc", tfUnit.getUnitNumber());
glBindVertexArray(_vao);
bool hasColoringData = _coloringData.hasData() && _coloringData.getData()->hasData;
_shader.setUniform("_hasColoringData", hasColoringData);
if (hasColoringData) {
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, _coloringData.getData()->ssboColor);
}
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, data->ssboData);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, _dimensionOrderingBuffer);
glDrawArraysInstanced(GL_LINE_STRIP, 0, data->nDimensions, data->nValues / data->nDimensions);
glBindVertexArray(0);
_shader.deactivate();
}
veMaterial* veDeferredRenderPipeline::createAmbientLightMaterial()
{
auto material = new veMaterial;
auto technique = new veTechnique;
auto pass = new vePass;
material->addTechnique(technique);
technique->addPass(pass);
pass->setRenderPass(vePass::FORWARD_PASS);
pass->depthTest() = false;
pass->depthWrite() = false;
pass->stencilTest() = false;
pass->cullFace() = true;
pass->cullFaceMode() = GL_BACK;
pass->blendFunc().src = GL_ONE;
pass->blendFunc().dst = GL_ONE;
pass->blendEquation() = GL_FUNC_ADD;
pass->setShader(new veShader(veShader::VERTEX_SHADER, SCREEN_BASED_LIGHT_VERTEX_SHADER));
pass->setShader(new veShader(veShader::FRAGMENT_SHADER, AMBIENT_LIGHT_FRAGMENT_SHADER));
pass->addUniform(new veUniform("u_ambient", veVec3::ZERO));
pass->addUniform(new veUniform("u_RT1", 0));
return material;
}