void ShaderExplodeSmoothVolumes::restoreUniformsAttribs()
{
bind();
*m_unif_explodeV = glGetUniformLocation(program_handler(),"explodeV");
glUniform1f (*m_unif_explodeV, m_explodeV);
*m_unif_explodeF = glGetUniformLocation(program_handler(),"explodeF");
glUniform1f (*m_unif_explodeF, m_explodeF);
*m_unif_ambiant = glGetUniformLocation(program_handler(),"ambient");
glUniform4fv(*m_unif_ambiant, 1, m_ambiant.data());
*m_unif_lightPos = glGetUniformLocation(program_handler(),"lightPosition");
glUniform3fv(*m_unif_lightPos, 1, m_light_pos.data());
*m_unif_plane = glGetUniformLocation(program_handler(),"plane");
glUniform4fv(*m_unif_plane, 1, m_plane.data());
bindVA_VBO("VertexPosition", m_vboPos);
bindVA_VBO("VertexColor", m_vboColors);
bindVA_VBO("VertexNormal", m_vboNormals);
unbind();
}
void ClippingShader::updateClippingUniforms()
{
// Plane clipping uniforms
if (getClipPlanesCount() > 0)
{
// Get uniform location
m_unif_clipPlanesEquations = glGetUniformLocation(program_handler(), "clip_clipPlanesEquations");
errorRaiseUniformNotFoundInShader((m_unif_clipPlanesEquations == -1), "ClippingShader::updateClippingUniforms", "clip_clipPlanesEquations");
// Send again uniform value
sendClipPlanesEquationsUniform();
}
// Sphere clipping uniforms
if (getClipSpheresCount() > 0)
{
// Get uniform location
m_unif_clipSpheresCentersAndRadiuses = glGetUniformLocation(program_handler(), "clip_clipSpheresCentersAndRadiuses");
errorRaiseUniformNotFoundInShader((m_unif_clipSpheresCentersAndRadiuses == -1), "ClippingShader::updateClippingUniforms", "clip_clipSpheresCentersAndRadiuses");
// Send again uniform value
sendClipSpheresCentersAndRadiusesUniform();
}
// Global clipping uniforms
if ((getClipPlanesCount() > 0) || (getClipSpheresCount() > 0))
{
// Get uniform location
m_unif_clipColorAttenuationFactor = glGetUniformLocation(program_handler(), "clip_clipColorAttenuationFactor");
errorRaiseUniformNotFoundInShader((m_unif_clipColorAttenuationFactor == -1), "ClippingShader::updateClippingUniforms", "clip_clipColorAttenuationFactor");
// Send again uniform value
sendClipColorAttenuationFactorUniform();
}
}
void ShaderExplodeVolumesLines::getLocations()
{
bind();
*m_unif_explodeV = glGetUniformLocation(program_handler(),"explodeV");
*m_unif_color = glGetUniformLocation(program_handler(),"color");
*m_unif_plane = glGetUniformLocation(program_handler(),"plane");
unbind();
}
Strings3D::Strings3D(bool withBackground, const Geom::Vec3f& bgc) : m_nbChars(0),m_scale(1.0f)
{
if (m_instance0 == NULL)
{
m_instance0 = this;
std::string font_filename = Utils::GLSLShader::findFile("font_cgogn.gz");
igzstream fs(font_filename.c_str(), std::ios::in|std::ios::binary);
char* buff = new char[WIDTHTEXTURE*HEIGHTTEXTURE];
fs.read(reinterpret_cast<char*>(buff), WIDTHTEXTURE*HEIGHTTEXTURE );
fs.close();
glGenTextures(1, &(*m_idTexture));
glBindTexture(GL_TEXTURE_2D, *m_idTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, WIDTHTEXTURE, HEIGHTTEXTURE, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, (GLvoid*)(buff));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
delete[] buff;
}
else
{
*m_idTexture = *(this->m_idTexture);
}
std::string glxvert(*GLSLShader::DEFINES_GL);
glxvert.append(vertexShaderText);
std::string glxfrag(*GLSLShader::DEFINES_GL);
glxfrag.append(fragmentShaderText1);
std::string background;
if (!withBackground)
glxfrag.append("if (lum == 0.0) discard;\n");
else if (bgc*bgc > 0.0)
{
std::stringstream ss;
ss << " if (lum==0.0) gl_FragColor=vec4(";
ss << bgc[0] << "," << bgc[1] << "," << bgc[2] << ",0.0);\n else\n";
background.append(ss.str());
}
glxfrag.append(background);
glxfrag.append(fragmentShaderText2);
loadShadersFromMemory(glxvert.c_str(), glxfrag.c_str());
m_vbo1 = new Utils::VBO();
m_vbo1->setDataSize(4);
bindVA_VBO("VertexPosition", m_vbo1);
bind();
*m_uniform_position = glGetUniformLocation(program_handler(), "strPos");
*m_uniform_color = glGetUniformLocation(program_handler(), "color");
*m_uniform_scale = glGetUniformLocation(program_handler(), "scale");
*m_uniform_texture = glGetUniformLocation(program_handler(), "FontTexture");
glUniform1f(*m_uniform_scale, 1.0f);
unbind();
}
void ShaderExplodeSmoothVolumes::getLocations()
{
bind();
*m_unif_explodeV = glGetUniformLocation(program_handler(),"explodeV");
*m_unif_explodeF = glGetUniformLocation(program_handler(),"explodeF");
*m_unif_ambiant = glGetUniformLocation(program_handler(),"ambient");
*m_unif_lightPos = glGetUniformLocation(program_handler(),"lightPosition");
*m_unif_plane = glGetUniformLocation(program_handler(),"plane");
unbind();
}
void ShaderIsoLines::getLocations()
{
bind();
*m_unif_colorMin = glGetUniformLocation(program_handler(),"colorMin");
*m_unif_colorMax = glGetUniformLocation(program_handler(),"colorMax");
*m_unif_vmin = glGetUniformLocation(program_handler(),"vmin");
*m_unif_vmax = glGetUniformLocation(program_handler(),"vmax");
*m_unif_vnb = glGetUniformLocation(program_handler(),"vnb");
unbind();
}
void ShaderExplodeVolumesLines::restoreUniformsAttribs()
{
*m_unif_explodeV = glGetUniformLocation(program_handler(),"explodeV");
*m_unif_color = glGetUniformLocation(program_handler(),"color");
*m_unif_plane = glGetUniformLocation(program_handler(),"plane");
bind();
glUniform1f (*m_unif_explodeV, m_explodeV);
glUniform4fv(*m_unif_color, 1, m_color.data());
glUniform4fv(*m_unif_plane, 1, m_plane.data());
bindVA_VBO("VertexPosition", m_vboPos);
unbind();
}
void ShaderCustomTex::setTransformation(Geom::Matrix44f t)
{
bind();
CGoGNGLuint m_transf;
*m_transf = glGetUniformLocation(program_handler(),"TransformationMatrix");
glUniformMatrix4fv(*m_transf, 1, false, &t(0,0));
unbind();
}
void ShaderCustomTex::setBaseColor(Geom::Vec4f col)
{
m_col = col;
bind();
CGoGNGLuint m_unif_ambiant;
*m_unif_ambiant = glGetUniformLocation(program_handler(),"ambient");
glUniform4fv(*m_unif_ambiant, 1, m_col.data());
unbind();
}
void ShaderExplodeVolumesAlpha::restoreUniformsAttribs()
{
bind();
*m_unif_ambient = glGetUniformLocation(program_handler(),"ambient");
glUniform4fv(*m_unif_ambient, 1, m_ambient.data());
*m_unif_backColor = glGetUniformLocation(program_handler(),"backColor");
glUniform4fv(*m_unif_backColor, 1, m_backColor.data());
*m_unif_lightPos = glGetUniformLocation(program_handler(),"lightPosition");
glUniform3fv(*m_unif_lightPos, 1, m_light_pos.data());
*m_unif_plane = glGetUniformLocation(program_handler(),"plane");
glUniform4fv(*m_unif_plane, 1, m_plane.data());
*m_unif_unit = glGetUniformLocation(program_handler(),"textureUnit");
glUniform1iARB(*m_unif_unit, 0);
bindVA_VBO("VertexPosition", m_vboPos);
bindVA_VBO("VertexColor", m_vboColors);
unbind();
}
void ShaderExplodeVolumesAlpha::getLocations()
{
*m_unif_ambient = glGetUniformLocation(program_handler(), "ambient");
*m_unif_backColor = glGetUniformLocation(program_handler(), "backColor");
*m_unif_lightPos = glGetUniformLocation(program_handler(), "lightPosition");
*m_unif_plane = glGetUniformLocation(program_handler(), "plane");
*m_unif_unit = glGetUniformLocation(program_handler(), "textureUnit");
*m_unif_depthPeeling = glGetUniformLocation(program_handler(), "depthPeeling");
}
