mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-29 15:29:26 -05:00
Create dataplane through dataSurfaceContainer moudle
This commit is contained in:
Sebastian Piwell
@@ -0,0 +1,189 @@
|
||||
// /*****************************************************************************************
|
||||
// * *
|
||||
// * OpenSpace *
|
||||
// * *
|
||||
// * Copyright (c) 2014-2016 *
|
||||
// * *
|
||||
// * Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
||||
// * software and associated documentation files (the "Software"), to deal in the Software *
|
||||
// * without restriction, including without limitation the rights to use, copy, modify, *
|
||||
// * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
||||
// * permit persons to whom the Software is furnished to do so, subject to the following *
|
||||
// * conditions: *
|
||||
// * *
|
||||
// * The above copyright notice and this permission notice shall be included in all copies *
|
||||
// * or substantial portions of the Software. *
|
||||
// * *
|
||||
// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
||||
// * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
||||
// * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
||||
// * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
||||
// * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
||||
// * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
||||
// ****************************************************************************************/
|
||||
|
||||
#include <modules/datasurface/rendering/dataplane.h>
|
||||
#include <openspace/engine/openspaceengine.h>
|
||||
#include <openspace/rendering/renderengine.h>
|
||||
#include <ghoul/filesystem/filesystem>
|
||||
#include <ghoul/io/texture/texturereader.h>
|
||||
#include <ghoul/opengl/programobject.h>
|
||||
#include <ghoul/opengl/texture.h>
|
||||
#include <ghoul/opengl/textureunit.h>
|
||||
#include <modules/kameleon/include/kameleonwrapper.h>
|
||||
#include <openspace/scene/scene.h>
|
||||
#include <openspace/scene/scenegraphnode.h>
|
||||
|
||||
|
||||
namespace openspace {
|
||||
|
||||
DataPlane::DataPlane(std::shared_ptr<KameleonWrapper> kw, std::string path)
|
||||
:DataSurface(kw, path)
|
||||
,_texture(nullptr)
|
||||
, _quad(0)
|
||||
, _vertexPositionBuffer(0)
|
||||
{}
|
||||
|
||||
|
||||
DataPlane::~DataPlane(){}
|
||||
|
||||
|
||||
bool DataPlane::initialize(){
|
||||
DataSurface::initialize();
|
||||
|
||||
_dimensions = glm::size3_t(1000,1000,1);
|
||||
float zSlice = 0.5f;
|
||||
|
||||
_dataSlice = _kw->getUniformSliceValues(std::string("p"), _dimensions, zSlice);
|
||||
|
||||
glGenVertexArrays(1, &_quad); // generate array
|
||||
glGenBuffers(1, &_vertexPositionBuffer); // generate buffer
|
||||
createPlane();
|
||||
|
||||
if (_shader == nullptr) {
|
||||
// Plane Program
|
||||
|
||||
RenderEngine& renderEngine = OsEng.renderEngine();
|
||||
_shader = renderEngine.buildRenderProgram("PlaneProgram",
|
||||
"${MODULE_DATASURFACE}/shaders/dataplane_vs.glsl",
|
||||
"${MODULE_DATASURFACE}/shaders/dataplane_fs.glsl"
|
||||
);
|
||||
if (!_shader)
|
||||
return false;
|
||||
}
|
||||
|
||||
loadTexture();
|
||||
|
||||
return isReady();
|
||||
}
|
||||
|
||||
bool DataPlane::deinitialize(){
|
||||
DataSurface::deinitialize();
|
||||
|
||||
glDeleteVertexArrays(1, &_quad);
|
||||
_quad = 0;
|
||||
|
||||
glDeleteBuffers(1, &_vertexPositionBuffer);
|
||||
_vertexPositionBuffer = 0;
|
||||
|
||||
RenderEngine& renderEngine = OsEng.renderEngine();
|
||||
if (_shader) {
|
||||
renderEngine.removeRenderProgram(_shader);
|
||||
_shader = nullptr;
|
||||
}
|
||||
|
||||
return true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
bool DataPlane::isReady() const {
|
||||
bool ready = true;
|
||||
if (!_shader)
|
||||
ready &= false;
|
||||
if(!_texture)
|
||||
ready &= false;
|
||||
return ready;
|
||||
};
|
||||
|
||||
void DataPlane::render(){
|
||||
psc position = _parent->worldPosition();
|
||||
position += glm::vec4(-_pscOffset.x, _pscOffset.y, _pscOffset.z, _pscOffset.w);
|
||||
|
||||
glm::mat4 transform = glm::mat4(1.0);
|
||||
// transform = glm::rotate(transform, _roatation.value()[0], glm::vec3(1,0,0));
|
||||
// transform = glm::rotate(transform, _roatation.value()[1], glm::vec3(0,1,0));
|
||||
// transform = glm::rotate(transform, _roatation.value()[2], glm::vec3(0,0,1));
|
||||
|
||||
// Activate shader
|
||||
_shader->activate();
|
||||
glEnable(GL_ALPHA_TEST);
|
||||
glDisable(GL_CULL_FACE);
|
||||
|
||||
_shader->setUniform("ViewProjection", OsEng.renderEngine().camera()->viewProjectionMatrix());
|
||||
_shader->setUniform("ModelTransform", transform);
|
||||
setPscUniforms(_shader.get(), OsEng.renderEngine().camera(), position);
|
||||
|
||||
ghoul::opengl::TextureUnit unit;
|
||||
unit.activate();
|
||||
_texture->bind();
|
||||
_shader->setUniform("texture1", unit);
|
||||
|
||||
glBindVertexArray(_quad);
|
||||
glDrawArrays(GL_TRIANGLES, 0, 6);
|
||||
glEnable(GL_CULL_FACE);
|
||||
_shader->deactivate();
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
void DataPlane::loadTexture() {
|
||||
|
||||
//std::unique_ptr<ghoul::opengl::Texture> texture = ghoul::io::TextureReader::ref().loadTexture(absPath(_texturePath));
|
||||
ghoul::opengl::Texture::FilterMode filtermode = ghoul::opengl::Texture::FilterMode::Linear;
|
||||
ghoul::opengl::Texture::WrappingMode wrappingmode = ghoul::opengl::Texture::WrappingMode::ClampToEdge;
|
||||
std::unique_ptr<ghoul::opengl::Texture> texture =
|
||||
std::make_unique<ghoul::opengl::Texture>(_dataSlice, _dimensions, ghoul::opengl::Texture::Format::Red, GL_RED, GL_FLOAT, filtermode, wrappingmode);
|
||||
if (texture) {
|
||||
// std::cout << "texture path: " << absPath(_texturePath) << std::endl;
|
||||
// LDEBUG("Loaded texture from '" << absPath(_texturePath) << "'");
|
||||
|
||||
texture->uploadTexture();
|
||||
|
||||
// Textures of planets looks much smoother with AnisotropicMipMap rather than linear
|
||||
texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
|
||||
|
||||
_texture = std::move(texture);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void DataPlane::createPlane() {
|
||||
// ============================
|
||||
// GEOMETRY (quad)
|
||||
// ============================
|
||||
const GLfloat x = _modelScale.x/2.0;
|
||||
const GLfloat y = _modelScale.y/2.0;
|
||||
const GLfloat w = _modelScale.w;
|
||||
const GLfloat vertex_data[] = { // square of two triangles (sigh)
|
||||
// x y z w s t
|
||||
-x, -y, 0.0f, w, 0, 1,
|
||||
x, y, 0.0f, w, 1, 0,
|
||||
-x, y, 0.0f, w, 0, 0,
|
||||
-x, -y, 0.0f, w, 0, 1,
|
||||
x, -y, 0.0f, w, 1, 1,
|
||||
x, y, 0.0f, w, 1, 0,
|
||||
};
|
||||
|
||||
glBindVertexArray(_quad); // bind array
|
||||
glBindBuffer(GL_ARRAY_BUFFER, _vertexPositionBuffer); // bind buffer
|
||||
glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
|
||||
glEnableVertexAttribArray(0);
|
||||
glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(0));
|
||||
glEnableVertexAttribArray(1);
|
||||
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(sizeof(GLfloat) * 4));
|
||||
}
|
||||
|
||||
}// namespace openspace
|
||||
Reference in New Issue
Block a user