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Commit f1cc9984 authored by Ruben Garcia Hernndez's avatar Ruben Garcia Hernndez
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Add support for isosurfaces in CAVE. 

Transparencies not implemented yet, but it can be used for fermi surfaces.
parent fe1cbf8c
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Showing with 181 additions and 7 deletions
CAVE/NOMADCaveT/CMakeLists.txt
View file @ f1cc9984
......@@ -60,8 +60,10 @@ set(SOURCES
src/NOMADVRLib/atoms.cpp src/NOMADVRLib/CompileGLShader.cpp
src/NOMADVRLib/polyhedron.cpp src/NOMADVRLib/UnitCellShaders.cpp
src/NOMADVRLib/atomsGL.cpp src/NOMADVRLib/ConfigFile.cpp
src/NOMADVRLib/TessShaders.cpp
src/NOMADVRLib/TessShaders.cpp src/NOMADVRLib/IsosurfacesGL.cpp
src/NOMADVRLib/IsoShaders.cpp
src/happyhttp/happyhttp.cpp
src/rply/rply.c
)
......
CAVE/NOMADCaveT/src/main.cpp
View file @ f1cc9984
......@@ -31,6 +31,8 @@
#include "NOMADVRLib/CompileGLShader.h"
#include "NOMADVRLib/IsosurfacesGL.h"
#include "defines.h"
#define TESSSUB 16
......@@ -57,7 +59,7 @@ public:
void displayFunction();
void keyboardFunction(char key, int x, int y);
void keyReleaseFunction(char key, int x, int y);
void setCDPSyncher(std::shared_ptr<synchlib::SynchObject<int> > sy){m_pCurrentDataPosSyncher = sy; m_pCurrentDataPosSyncher->setData(0);}
void setCDPSyncher(std::shared_ptr<synchlib::SynchObject<int> > sy){m_pCurrentDataPosSyncher = sy; m_pCurrentDataPosSyncher->setData(-1);}
void setCDTPSyncher(std::shared_ptr<synchlib::SynchObject<int> > sy){m_pCurrentDataTimeSyncher = sy; m_pCurrentDataTimeSyncher->setData(0);}
void setCDPtSyncher(std::shared_ptr<synchlib::SynchObject<SelectedPoints> > sy)
{
......@@ -102,16 +104,24 @@ configFile=f;
int error=0;
GLuint textures[2]; // white, atoms
//if no tesselation is available, we still need the tess atoms for the trajectories!
GLuint *AtomTVAO=0, *AtomTBuffer=0, *AtomVAO=0, *AtomBuffer=0, *AtomIndices=0,//[2], atoms, extraatoms
GLuint *AtomTVAO=nullptr, *AtomTBuffer=nullptr,
*AtomVAO=nullptr, *AtomBuffer=nullptr, *AtomIndices=nullptr,//[2], atoms, extraatoms
UnitCellVAO, UnitCellBuffer, UnitCellIndexBuffer;
GLuint AtomsP, UnitCellP; // framework does not provide support for tesselation and provides many things we don't need.
GLint AtomMatrixLoc, UnitCellMatrixLoc, UnitCellColourLoc;
bool hasTess=true;
GLuint *ISOVAO=nullptr/*[ISOS*TIMESTEPS]*/, *ISOBuffer=nullptr/*[ISOS*TIMESTEPS]*/,
*ISOIndices=nullptr/*[ISOS*TIMESTEPS]*/;
GLuint ISOP;
GLint ISOMatrixLoc;
int *numISOIndices=nullptr/*[ISOS*TIMESTEPS]*/;
void RenderAtoms(const float *m);
void RenderUnitCell(const glm::mat4 eyeViewProjection);
void RenderAtomTrajectoriesUnitCell();
void RenderAtomTrajectories(const glm::mat4 eyeViewProjection);
void RenderIsos(const glm::mat4 eyeViewProjection, int curDataPos);
};
......@@ -205,6 +215,73 @@ glGenTextures(2, textures);
error=-406;
}
//now isosurfaces
if (ISOS) {
PrepareISOShader(&ISOP, &ISOMatrixLoc);
std::vector<float> vertices;
#ifndef INDICESGL32
std::vector<short> indices;
#else
std::vector<GLuint> indices;
#endif
numISOIndices=new int[TIMESTEPS*ISOS];
ISOVAO=new GLuint[TIMESTEPS*ISOS];
ISOBuffer=new GLuint[TIMESTEPS*ISOS];
ISOIndices=new GLuint[TIMESTEPS*ISOS];
glGenBuffers(TIMESTEPS*ISOS, ISOBuffer);
glGenVertexArrays(TIMESTEPS*ISOS, ISOVAO);
glGenBuffers(TIMESTEPS*ISOS, ISOIndices);
if ((e = glGetError()) != GL_NO_ERROR)
eprintf("opengl error %d, glGenBuffers\n", e);
char tmpname[250];
int timestep=1;
for (int p = 0; p < TIMESTEPS*ISOS; p++) {
sprintf(tmpname, "%s%d-%s.ply", PATH, timestep,
plyfiles[p % ISOS]);
//add the rotateX(-90)
glm::mat4 trans;
trans=glm::rotate(trans, (float)-M_PI_2, glm::vec3(1.f,0.f,0.f));
glm::mat4 matFinal;
matFinal=glm::translate(matFinal,
glm::vec3(translations[p%ISOS][0],
translations[p%ISOS][1],
translations[p%ISOS][2]));
matFinal=trans*matFinal;
float mat[16];
for (int i=0;i<4;i++)
for (int j=0;j<4;j++)
mat[j*4+i]=matFinal[j][i];
if (!AddModelToScene(mat, vertices, indices,
tmpname, false, isocolours[p%ISOS][0]<0, p%ISOS))
{
eprintf("Error loading ply file %s\n", tmpname);
//return;
}
#ifndef INDICESGL32
if (vertices.size() > 65535 * numComponents)
{
eprintf("Mesh has more than 64k vertices (%d), unsupported\n", vertdataarray[currentlod][p].size() / numComponents);
return;
}
#endif
numISOIndices[p] = indices.size();
if (GL_NO_ERROR!=PrepareGLiso(ISOVAO[p], ISOBuffer[p],
vertices, ISOIndices[p], indices))
eprintf ("PrepareGLiso, GL error");
vertices.clear();
indices.clear();
if (p % ISOS == ISOS - 1) {
eprintf ("timestep %d", timestep);
timestep++;
}
}
}
//for painting selected points
glGenVertexArrays(1, &PointVAO);
glGenBuffers(1, &PointVBO);
......@@ -305,6 +382,9 @@ if (has_abc) {
RenderAtomTrajectories(pvmat*st);
}
if (ISOS)
RenderIsos(pvmat*st, curDataPos);
}
void sceneManager::displayFunction(){
......@@ -320,6 +400,9 @@ void sceneManager::displayFunction(){
m_node->getSceneTrafo(viewMat);
int curDataPos;
m_pCurrentDataPosSyncher->getData(curDataPos);
curDataPos=curDataPos%(ISOS+1);
if (curDataPos<0)
curDataPos+=ISOS+1;
int timePos;
m_pCurrentDataTimeSyncher->getData(timePos);
if(m_oldTime != timePos){
......@@ -729,6 +812,29 @@ for (unsigned int i=0;i<atomtrajectories.size();i++) {
} //sceneManager::RenderAtomTrajectoriesUnitCell()
void sceneManager::RenderIsos(const glm::mat4 eyeViewProjection, int curDataPos)
{
GLenum e;
float t[16];
for (int i=0;i<4;i++)
for (int j=0;j<4;j++)
t[j*4+i]=eyeViewProjection[j][i];
glUseProgram(ISOP);
glUniformMatrix4fv(ISOMatrixLoc, 1, GL_FALSE, t);
if ((e = glGetError()) != GL_NO_ERROR)
eprintf("Gl error after glUniform4fv 1 RenderUnitCell: %d\n", e);
if (curDataPos!=ISOS) {
glBindVertexArray(ISOVAO[m_oldTime*ISOS+curDataPos]);
glDrawElements(GL_TRIANGLES,numISOIndices[m_oldTime*ISOS+curDataPos] , GL_UNSIGNED_INT, 0);
} else {
for (int i=0;i<ISOS;i++) {
glBindVertexArray(ISOVAO[m_oldTime*ISOS+i]);
glDrawElements(GL_TRIANGLES,numISOIndices[m_oldTime*ISOS+i] , GL_UNSIGNED_INT, 0);
}
}
}
void sceneManager::RenderUnitCell(const glm::mat4 eyeViewProjection)
{
//eprintf ("eyeViewProjection");
......
CAVE/NOMADCaveT/src/main_server.cpp
View file @ f1cc9984
......@@ -62,7 +62,7 @@ private:
bool m_stop = false;
int m_swapIsoSurface = 0;
int m_curData = 0; //ISOS;
int m_curData = -1; //ISOS;
std::thread* m_updateButtonsThread;
int m_mode = 0; //0 both, 1 negative and 2 positive iso swap
bool m_pressB0 = false;
......@@ -133,7 +133,7 @@ bool longpress=false;
{//ms //rgh: change isos in a more discrete manner.
std::cout << "Changing iso!!\n";
m_curData += m_swapIsoSurface;
//rgh: unused for now
//rgh: isos only in clients
// m_curData = (m_curData > ISOS) ? 0 : m_curData;
// m_curData = (m_curData < 0) ? ISOS : m_curData;
synch();
......
NOMADVRLib/IsoShaders.cpp 0 → 100644
View file @ f1cc9984
#include "IsoShaders.h"
const char * const IsoShaders [] = {"Iso Renderer",
//vertex
#if defined(WIN32) || defined(CAVE)
"#version 410\n"
#else
"#version 300 es\n"
#endif
"uniform mat4 matrix;\n"
"layout(location = 0) in vec3 pos;\n"
"layout(location = 1) in vec3 normal;\n"
"layout(location = 2) in vec4 color;\n"
"out vec4 vcolor;\n"
"out vec3 vnormal;\n"
"void main()\n"
"{\n"
"gl_Position = matrix * vec4(pos, 1);\n"
"vcolor=color;\n"
"vnormal=normalize(normal);\n"
"}\n"
,
//fragment
#if defined(WIN32) || defined(CAVE)
"#version 410\n"
#else
"#version 300 es\n"
#endif
"in vec4 vcolor;\n"
"in vec3 vnormal;\n"
"out lowp vec4 outputColor;\n"
"void main()\n"
"{\n"
"lowp vec3 nn=normalize(vnormal);"
"lowp float a=max(0.0, dot(nn, vec3(0,sqrt(2.0)/2.0,sqrt(2.0)/2.0)));\n"
"lowp float b=max(0.0, dot(nn, vec3(0,0,1)));\n"
"highp vec4 res=vcolor;\n"
" outputColor = vec4 ((res.rgb) * (0.2 + 0.2*a + 0.3*b), vcolor.a);\n"
"}\n"
,
//tess
nullptr
};
NOMADVRLib/IsoShaders.h 0 → 100644
View file @ f1cc9984
extern const char * const IsoShaders[];
NOMADVRLib/IsosurfacesGL.cpp
View file @ f1cc9984
//#if 0
#include <vector>
#include <math.h>
#include "MyGL.h"
#include "eprintf.h"
#include "ConfigFile.h" //for isocolours
#include "TessShaders.h" //for SHADERNAME, etc
#include "IsosurfacesGL.h"
#include "IsoShaders.h"
#include "CompileGLShader.h"
float *CubeVertices=0;
int *CubeIndices=0;
......@@ -219,4 +224,18 @@ GLenum PrepareGLiso (GLuint vao, GLuint vertbuffer, const std::vector<float> &ve
return e;
}
//#endif
\ No newline at end of file
GLenum PrepareISOShader (GLuint *p, GLint *mat) {
*p= CompileGLShader(
IsoShaders[SHADERNAME],
IsoShaders[SHADERVERTEX],
IsoShaders[SHADERFRAGMENT],
IsoShaders[SHADERTESSEVAL]
);
*mat=glGetUniformLocation(*p, "matrix");
if( *mat == -1 )
{
eprintf( "Unable to find matrix uniform in ISO shader\n" );
}
return glGetError();
}
NOMADVRLib/IsosurfacesGL.h
View file @ f1cc9984
......@@ -22,4 +22,7 @@ GLenum PrepareGLiso (GLuint vao, GLuint vertbuffer, const std::vector<float> &ve
#endif
);
#endif
\ No newline at end of file
GLenum PrepareISOShader (GLuint *p, GLint *mat);
#endif // __ISOSURFACESGL_H
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