lhark/ripple
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Implement DisplayPacketOutlined & AddPacketDisplacement

Browse source
This commit is contained in:
lhark 2017-11-27 18:10:19 -05:00
parent ffd0938e1b
commit f7f6beb3dc
9 changed files with 333 additions and 245 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
addPacketDisplacement.frag Normal file
View file

@ -0,0 +1,26 @@
#version 410
#define PI 3.14159265359
out vec4 Color;
in Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} In;
// rasterize wave packet quad
// wave packet data:
// position vector: x,y = [-1..1], position in envelope
// attribute vector: x=amplitude, y=wavelength, z=time phase, w=envelope size
// FALSE /!\ attribute2 vector: (x,y)=position of bending point, z=central distance to ref point, 0
void main(void)
{
/* If centerDiff == 0, the wave is straight */
float centerDiff = length(In.Pos.zw - vec2(0, In.Att2.x)) - abs(In.Pos.w - In.Att2.x);
float phase = -In.Att1.z + (In.Pos.w + centerDiff) * 2 * PI / In.Att1.y;
/* ROLL CREDITS ! */
vec3 ripple = (1 + cos(In.Pos.x * PI)) * (1 + cos(In.Pos.y * PI)) * In.Att1.x *
vec3(0, cos(phase), 0);
Color = vec4(ripple, 1);
}

53
addPacketDisplacement.geom Normal file
View file

@ -0,0 +1,53 @@
#version 410
#define SCENE_EXTENT 100.0f
layout(points) in;
layout(triangle_strip, max_vertices = 4) out;
uniform mat4 matrModel;
uniform mat4 matrVisu;
uniform mat4 matrProj;
/////////////////////////////////////////////////////////////////
in Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} In[];
out Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} Out;
void main(void)
{
if (In[0].Pos.x < -9000)
return;
Out.Att1 = In[0].Att1;
Out.Att2 = In[0].Att2;
float dThickness = In[0].Att1.w;
float wThickness = In[0].Att1.w;
vec3 center = vec3(In[0].Pos.x, 0, In[0].Pos.y);
vec3 wavedir = vec3(In[0].Pos.z, 0, In[0].Pos.w);
vec3 wavecrest = vec3(wavedir.z, 0, -wavedir.x); // wave crest, orthogonal to wave direction
vec4 p1 = vec4(center - wThickness * wavecrest, 1);
vec4 p2 = vec4(center - wThickness * wavecrest - dThickness * wavedir, 1);
vec4 p3 = vec4(center + wThickness * wavecrest, 1);
vec4 p4 = vec4(center + wThickness * wavecrest - dThickness * wavedir, 1);
Out.Pos = vec4(-1, 1, -In[0].Att1.w, 0);
gl_Position = matrProj * matrVisu * matrModel * p1;
EmitVertex();
Out.Pos = vec4(-1, -1, -In[0].Att1.w, -In[0].Att1.w);
gl_Position = matrProj * matrVisu * matrModel * p2;
EmitVertex();
Out.Pos = vec4(1, 1, -In[0].Att1.w, 0);
gl_Position = matrProj * matrVisu * matrModel * p3;
EmitVertex();
Out.Pos = vec4(1, -1, In[0].Att1.w, -In[0].Att1.w);
gl_Position = matrProj * matrVisu * matrModel * p4;
EmitVertex();
}

27
addPacketDisplacement.vert Normal file
View file

@ -0,0 +1,27 @@
#version 410
#define SCENE_EXTENT 100.0f
uniform mat4 matrModel;
uniform mat4 matrVisu;
uniform mat4 matrProj;
/////////////////////////////////////////////////////////////////
layout(location=0) in vec4 Pos;
layout(location=4) in vec4 Att1;
layout(location=8) in vec4 Att2;
out Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} Out;
void main(void)
{
Out.Pos = Pos;
Out.Att1 = Att1;
Out.Att2 = Att2;
gl_PointSize = 5;
}

10
displayPacketOutlined.frag Normal file
View file

@ -0,0 +1,10 @@
#version 410
out vec4 Color;
void main(void)
{
Color = vec4(1, 1, 1, 1);
}

42
displayPacketOutlined.geom Normal file
View file

@ -0,0 +1,42 @@
#version 410
#define SCENE_EXTENT 100.0f
layout(points) in;
layout(line_strip, max_vertices = 5) out;
uniform mat4 matrModel;
uniform mat4 matrVisu;
uniform mat4 matrProj;
/////////////////////////////////////////////////////////////////
in Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} In[];
void main(void)
{
if (In[0].Pos.x < -9000)
return;
float dThickness = In[0].Att1.w;
float wThickness = In[0].Att1.w;
vec3 center = vec3(In[0].Pos.x, 0, In[0].Pos.y);
vec3 wavedir = vec3(In[0].Pos.z, 0, In[0].Pos.w);
vec3 wavecrest = vec3(wavedir.z, 0, -wavedir.x); // wave crest, orthogonal to wave direction
vec4 p1 = vec4(center - wThickness * wavecrest, 1);
vec4 p2 = vec4(center - wThickness * wavecrest - dThickness * wavedir, 1);
vec4 p3 = vec4(center + wThickness * wavecrest, 1);
vec4 p4 = vec4(center + wThickness * wavecrest - dThickness * wavedir, 1);
gl_Position = matrProj * matrVisu * matrModel * p1;
EmitVertex();
gl_Position = matrProj * matrVisu * matrModel * p2;
EmitVertex();
gl_Position = matrProj * matrVisu * matrModel * p4;
EmitVertex();
gl_Position = matrProj * matrVisu * matrModel * p3;
EmitVertex();
gl_Position = matrProj * matrVisu * matrModel * p1;
EmitVertex();
}

26
displayPacketOutlined.vert Normal file
View file

@ -0,0 +1,26 @@
#version 410
#define SCENE_EXTENT 100.0f
uniform mat4 matrModel;
uniform mat4 matrVisu;
uniform mat4 matrProj;
/////////////////////////////////////////////////////////////////
layout(location=0) in vec4 Pos;
layout(location=4) in vec4 Att1;
layout(location=8) in vec4 Att2;
out Attribs {
vec4 Pos;
vec4 Att1;
vec4 Att2;
} Out;
void main(void)
{
Out.Pos = Pos;
Out.Att1 = Att1;
Out.Att2 = Att2;
gl_PointSize = 5;
}

2
makefile
View file

@ -8,7 +8,7 @@ DEPDIR := $(BUILDDIR)/deps
#EXE := $(BINDIR)/OPHD #EXE := $(BINDIR)/OPHD
EXE := ripple EXE := ripple
CFLAGS := -std=c++11 -g -fopenmp -Wall -Wno-unknown-pragmas -I/usr/include/glm -I/usr/include/eigen3 $(shell pkg-config --cflags glew) CFLAGS := -std=c++11 -O2 -fopenmp -Wall -Wno-unknown-pragmas -I/usr/include/glm -I/usr/include/eigen3 $(shell pkg-config --cflags glew)
CFLAGS += $(shell pkg-config --cflags sdl2) CFLAGS += $(shell pkg-config --cflags sdl2)
LDFLAGS := -fopenmp -lstdc++ -lm -lglfw -lGLEW -lGL LDFLAGS := -fopenmp -lstdc++ -lm -lglfw -lGLEW -lGL
LDFLAGS += $(shell pkg-config --libs sdl2) LDFLAGS += $(shell pkg-config --libs sdl2)

388
ripple.cpp
View file

@ -4,10 +4,20 @@
#include "constants.h" #include "constants.h"
#include "FBO.h" #include "FBO.h"
#include "Packets.h" #include "Packets.h"
#include "util.h"
#define SOL 1 #define SOL 1
enum {LocAttrib, LocUniform}; /* Shader location type */ enum {LocAttrib, LocUniform}; /* Shader location type */
enum {
RWMP_SHADER,
APD_SHADER,
DPO_SHADER,
DMM_SHADER,
DT_SHADER,
RAA_SHADER,
NB_SHADERS
}; /* Shaders stages */
// variables pour l'utilisation des nuanceurs // variables pour l'utilisation des nuanceurs
GLuint prog; // votre programme de nuanceurs GLuint prog; // votre programme de nuanceurs
@ -34,15 +44,17 @@ GLint locmatrProjRWMP = -1;
GLint locmatrNormaleRWMP = -1; GLint locmatrNormaleRWMP = -1;
GLint locTexRWMP = -1; GLint locTexRWMP = -1;
// Locations for AddPacketDisplacement shader // Locations for AddPacketDisplacement shader
GLuint locVertexADP = -1; GLuint locPosAPD = -1;
GLuint locTexCoordADP = -1; GLuint locAtt1APD = -1;
GLuint locmatrModelADP = -1; GLuint locAtt2APD = -1;
GLuint locmatrVisuADP = -1; GLuint locmatrModelAPD = -1;
GLuint locmatrProjADP = -1; GLuint locmatrVisuAPD = -1;
GLuint locTexADP = -1; GLuint locmatrProjAPD = -1;
GLuint locTexAPD = -1;
// Locations for DisplayPacketOutlined shader // Locations for DisplayPacketOutlined shader
GLuint locVertexDPO = -1; GLuint locPosDPO = -1;
GLuint locTexCoordDPO = -1; GLuint locAtt1DPO = -1;
GLuint locAtt2DPO = -1;
GLuint locmatrModelDPO = -1; GLuint locmatrModelDPO = -1;
GLuint locmatrVisuDPO = -1; GLuint locmatrVisuDPO = -1;
GLuint locmatrProjDPO = -1; GLuint locmatrProjDPO = -1;
@ -80,11 +92,11 @@ GLint locmatrModelBase = -1;
GLint locmatrVisuBase = -1; GLint locmatrVisuBase = -1;
GLint locmatrProjBase = -1; GLint locmatrProjBase = -1;
GLuint vao[2]; GLuint vao[NB_SHADERS];
GLuint vaoQuad;
GLuint vbosQuad[2];
GLuint vbo[5]; GLuint vbo[5];
GLuint ubo[4]; GLuint ubo[4];
GLuint vbosQuad[2];
GLuint vboPacket;
// matrices de du pipeline graphique // matrices de du pipeline graphique
MatricePipeline matrModel; MatricePipeline matrModel;
@ -116,7 +128,7 @@ FBO *aaFBO;
// Wave Packets // Wave Packets
Packets *packets; Packets *packets;
int packetBudget = MIN_PACKET_BUDGET; int packetBudget = 10000;
/* Wave packets: /* Wave packets:
* vec4: xy = position, zw = direction * vec4: xy = position, zw = direction
* vec4: x = amplitude, y = wavelength, z = phase offset, w = enveloppe size * vec4: x = amplitude, y = wavelength, z = phase offset, w = enveloppe size
@ -195,6 +207,11 @@ struct
// copie directe vers le nuanceur où les variables seront bien de type 'bool'. ) // copie directe vers le nuanceur où les variables seront bien de type 'bool'. )
/* Forward declarations */
void displayPacketOutlined(int count);
void addPacketDisplacement(int count);
void verifierAngles() void verifierAngles()
{ {
if ( thetaCam > 360.0 ) if ( thetaCam > 360.0 )
@ -265,12 +282,18 @@ void updatePackets()
packetChunk += 3; /* The last 3 elements aren't needed */ packetChunk += 3; /* The last 3 elements aren't needed */
displayedPackets++; displayedPackets++;
if (packetChunk >= PACKET_GPU_BUFFER_SIZE * 3 * 4) { if (packetChunk >= PACKET_GPU_BUFFER_SIZE * 3 * 4) {
/* TODO Update VBO */ glBindBuffer(GL_ARRAY_BUFFER, vboPacket);
/* TODO Use Buffer mapping for better performance */
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(packetData), packetData);
glBindBuffer(GL_ARRAY_BUFFER, 0);
//displayPacketOutlined(packetChunk / 12);
/* TODO EvaluatePackets(packetChunk) */ /* TODO EvaluatePackets(packetChunk) */
addPacketDisplacement(packetChunk / 12);
packetChunk = 0; packetChunk = 0;
} }
} }
} }
// printf("PacketData[0] = %f , %f\n", packetData[0], packetData[1]);
/* Ghost packets */ /* Ghost packets */
for (int i = 0; i < packets->m_usedGhosts; ++i) { for (int i = 0; i < packets->m_usedGhosts; ++i) {
int pk = packets->m_usedGhost[i]; int pk = packets->m_usedGhost[i];
@ -290,13 +313,21 @@ void updatePackets()
packetChunk += 3; /* The last 3 elements aren't needed */ packetChunk += 3; /* The last 3 elements aren't needed */
displayedPackets++; displayedPackets++;
if (packetChunk >= PACKET_GPU_BUFFER_SIZE * 3 * 4) { if (packetChunk >= PACKET_GPU_BUFFER_SIZE * 3 * 4) {
/* TODO Update VBO */ glBindBuffer(GL_ARRAY_BUFFER, vboPacket);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(packetData), packetData);
glBindBuffer(GL_ARRAY_BUFFER, 0);
//displayPacketOutlined();
/* TODO EvaluatePackets(packetChunk) */ /* TODO EvaluatePackets(packetChunk) */
addPacketDisplacement(packetChunk / 12);
packetChunk = 0; packetChunk = 0;
} }
} }
/* TODO Update VBO */ glBindBuffer(GL_ARRAY_BUFFER, vboPacket);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(packetData), packetData);
glBindBuffer(GL_ARRAY_BUFFER, 0);
//displayPacketOutlined(packetChunk / 12);
/* TODO EvaluatePackets(packetChunk) */ /* TODO EvaluatePackets(packetChunk) */
addPacketDisplacement(packetChunk / 12);
/* TODO DisplayScene */ /* TODO DisplayScene */
/* TODO Get camera center */ /* TODO Get camera center */
} }
@ -406,61 +437,6 @@ void chargerNuanceurs()
locmatrProjBase = getloc( progBase, "matrProj", LocUniform ); locmatrProjBase = getloc( progBase, "matrProj", LocUniform );
} }
// charger le nuanceur de ce TP
{
// créer le programme
const GLchar *shaders[3] = {"nuanceurSommetsSolution.glsl", "nuanceurGeometrieSolution.glsl", "nuanceurFragmentsSolution.glsl"};
prog = createShader(shaders);
// demander la "Location" des variables
locVertex = getloc( prog, "Vertex", LocAttrib );
locNormal = getloc( prog, "Normal", LocAttrib );
locTexCoord = getloc( prog, "TexCoord", LocAttrib );
locmatrModel = getloc( prog, "matrModel" , LocUniform);
locmatrVisu = getloc( prog, "matrVisu" , LocUniform);
locmatrProj = getloc( prog, "matrProj" , LocUniform);
locmatrNormale = getloc( prog, "matrNormale" , LocUniform);
loclaTexture = getloc( prog, "laTexture" , LocUniform);
if ( ( indLightSource = glGetUniformBlockIndex( prog, "LightSourceParameters" ) ) == GL_INVALID_INDEX ) std::cerr << "!!! pas trouvé l'\"index\" de LightSource" << std::endl;
if ( ( indFrontMaterial = glGetUniformBlockIndex( prog, "MaterialParameters" ) ) == GL_INVALID_INDEX ) std::cerr << "!!! pas trouvé l'\"index\" de FrontMaterial" << std::endl;
if ( ( indLightModel = glGetUniformBlockIndex( prog, "LightModelParameters" ) ) == GL_INVALID_INDEX ) std::cerr << "!!! pas trouvé l'\"index\" de LightModel" << std::endl;
if ( ( indvarsUnif = glGetUniformBlockIndex( prog, "varsUnif" ) ) == GL_INVALID_INDEX ) std::cerr << "!!! pas trouvé l'\"index\" de varsUnif" << std::endl;
// charger les ubo
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[0] );
glBufferData( GL_UNIFORM_BUFFER, sizeof(LightSource), &LightSource, GL_DYNAMIC_COPY );
glBindBuffer( GL_UNIFORM_BUFFER, 0 );
const GLuint bindingIndex = 0;
glBindBufferBase( GL_UNIFORM_BUFFER, bindingIndex, ubo[0] );
glUniformBlockBinding( prog, indLightSource, bindingIndex );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[1] );
glBufferData( GL_UNIFORM_BUFFER, sizeof(FrontMaterial), &FrontMaterial, GL_DYNAMIC_COPY );
glBindBuffer( GL_UNIFORM_BUFFER, 0 );
const GLuint bindingIndex = 1;
glBindBufferBase( GL_UNIFORM_BUFFER, bindingIndex, ubo[1] );
glUniformBlockBinding( prog, indFrontMaterial, bindingIndex );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[2] );
glBufferData( GL_UNIFORM_BUFFER, sizeof(LightModel), &LightModel, GL_DYNAMIC_COPY );
glBindBuffer( GL_UNIFORM_BUFFER, 0 );
const GLuint bindingIndex = 2;
glBindBufferBase( GL_UNIFORM_BUFFER, bindingIndex, ubo[2] );
glUniformBlockBinding( prog, indLightModel, bindingIndex );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[3] );
glBufferData( GL_UNIFORM_BUFFER, sizeof(varsUnif), &varsUnif, GL_DYNAMIC_COPY );
glBindBuffer( GL_UNIFORM_BUFFER, 0 );
const GLuint bindingIndex = 3;
glBindBufferBase( GL_UNIFORM_BUFFER, bindingIndex, ubo[3] );
glUniformBlockBinding( prog, indvarsUnif, bindingIndex );
}
}
// Load RasterizeWaveMeshPosition shader // Load RasterizeWaveMeshPosition shader
{ {
// créer le programme // créer le programme
@ -481,20 +457,22 @@ void chargerNuanceurs()
const GLchar *shaders[3] = {"addPacketDisplacement.vert", "addPacketDisplacement.geom", "addPacketDisplacement.frag"}; const GLchar *shaders[3] = {"addPacketDisplacement.vert", "addPacketDisplacement.geom", "addPacketDisplacement.frag"};
progAddPacketDisplacement = createShader(shaders); progAddPacketDisplacement = createShader(shaders);
// demander la "Location" des variables // demander la "Location" des variables
locVertexADP = getloc( progAddPacketDisplacement, "Vertex" , LocAttrib); locPosAPD = getloc( progAddPacketDisplacement, "Pos" , LocAttrib);
locTexCoordADP = getloc( progAddPacketDisplacement, "TexCoord" , LocAttrib); locAtt1APD = getloc( progAddPacketDisplacement, "Att1" , LocAttrib);
locmatrModelADP = getloc( progAddPacketDisplacement, "matrModel" , LocUniform); locAtt2APD = getloc( progAddPacketDisplacement, "Att2" , LocAttrib);
locmatrVisuADP = getloc( progAddPacketDisplacement, "matrVisu" , LocUniform); locmatrModelAPD = getloc( progAddPacketDisplacement, "matrModel" , LocUniform);
locmatrProjADP = getloc( progAddPacketDisplacement, "matrProj" , LocUniform); locmatrVisuAPD = getloc( progAddPacketDisplacement, "matrVisu" , LocUniform);
locTexADP = getloc( progAddPacketDisplacement, "tex" , LocUniform); locmatrProjAPD = getloc( progAddPacketDisplacement, "matrProj" , LocUniform);
locTexAPD = getloc( progAddPacketDisplacement, "tex" , LocUniform);
} }
// Load DisplayPacketOutlined shader // Load DisplayPacketOutlined shader
{ {
const GLchar *shaders[3] = {"displayPacketOutlined.vert", "displayPacketOutlined.geom", "displayPacketOutlined.frag"}; const GLchar *shaders[3] = {"displayPacketOutlined.vert", "displayPacketOutlined.geom", "displayPacketOutlined.frag"};
progDisplayPacketOutlined = createShader(shaders); progDisplayPacketOutlined = createShader(shaders);
locVertexDPO = getloc( progDisplayPacketOutlined, "Vertex" , LocAttrib); locPosDPO = getloc( progDisplayPacketOutlined, "Pos" , LocAttrib);
locTexCoordDPO = getloc( progDisplayPacketOutlined, "TexCoord" , LocAttrib); locAtt1DPO = getloc( progDisplayPacketOutlined, "Att1" , LocAttrib);
locAtt2DPO = getloc( progDisplayPacketOutlined, "Att2" , LocAttrib);
locmatrModelDPO = getloc( progDisplayPacketOutlined, "matrModel" , LocUniform); locmatrModelDPO = getloc( progDisplayPacketOutlined, "matrModel" , LocUniform);
locmatrVisuDPO = getloc( progDisplayPacketOutlined, "matrVisu" , LocUniform); locmatrVisuDPO = getloc( progDisplayPacketOutlined, "matrVisu" , LocUniform);
locmatrProjDPO = getloc( progDisplayPacketOutlined, "matrProj" , LocUniform); locmatrProjDPO = getloc( progDisplayPacketOutlined, "matrProj" , LocUniform);
@ -527,7 +505,7 @@ void chargerNuanceurs()
// Load RenderAA shader // Load RenderAA shader
{ {
const GLchar *shaders[3] = {"displayTerrain.vert", NULL, "displayTerrain.frag"}; const GLchar *shaders[3] = {"renderAA.vert", NULL, "RenderAA.frag"};
progRenderAA = createShader(shaders); progRenderAA = createShader(shaders);
locVertexRAA = getloc( progRenderAA, "Vertex" , LocAttrib); locVertexRAA = getloc( progRenderAA, "Vertex" , LocAttrib);
locTexCoordRAA = getloc( progRenderAA, "TexCoord" , LocAttrib); locTexCoordRAA = getloc( progRenderAA, "TexCoord" , LocAttrib);
@ -552,21 +530,61 @@ void initQuad()
}; };
// allouer les objets OpenGL // allouer les objets OpenGL
glGenVertexArrays( 1, &vaoQuad ); /* TODO Add support for RenderAA shader */
glGenBuffers( 2, vbosQuad ); glGenBuffers( 2, vbosQuad );
// initialiser le VAO
glBindVertexArray( vaoQuad );
// charger le VBO pour les vertices /* Prepare VAO for RasterizeWaveMeshPosition shader */
glBindVertexArray(vao[RWMP_SHADER]);
// Bind vertices VBO
glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[0] ); glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[0] );
glBufferData( GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW ); glBufferData( GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW );
glVertexAttribPointer( locVertexRWMP, 2, GL_FLOAT, GL_FALSE, 0, 0 ); glVertexAttribPointer( locVertexRWMP, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locVertex); glEnableVertexAttribArray(locVertexRWMP);
// Charger le VBO pour les coordonnées de texture // Bind texture coord VBO
glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[1] ); glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[1] );
glBufferData( GL_ARRAY_BUFFER, sizeof(texcoords), texcoords, GL_STATIC_DRAW ); glBufferData( GL_ARRAY_BUFFER, sizeof(texcoords), texcoords, GL_STATIC_DRAW );
glVertexAttribPointer( locTexCoordRWMP, 2, GL_FLOAT, GL_FALSE, 0, 0 ); glVertexAttribPointer( locTexCoordRWMP, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locTexCoord); glEnableVertexAttribArray(locTexCoordRWMP);
/* Prepare VAO for RenderAA shader */
glBindVertexArray(vao[RAA_SHADER]);
// Bind vertices VBO
glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[0] );
glVertexAttribPointer( locVertexRAA, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locVertexRAA);
// Bind texture coord VBO
glBindBuffer( GL_ARRAY_BUFFER, vbosQuad[1] );
glVertexAttribPointer( locTexCoordRAA, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locTexCoordRAA);
}
// Create the buffer to store wave packets
void initPacketMesh()
{
glGenBuffers(1, &vboPacket);
glBindVertexArray(vao[APD_SHADER]);
glBindBuffer(GL_ARRAY_BUFFER, vboPacket);
glBufferData(GL_ARRAY_BUFFER, sizeof(packetData), NULL, GL_DYNAMIC_DRAW);
glVertexAttribPointer(locPosAPD, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)0);
glVertexAttribPointer(locAtt1APD, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)4);
glVertexAttribPointer(locAtt2APD, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)8);
glEnableVertexAttribArray(locPosAPD);
glEnableVertexAttribArray(locAtt1APD);
glEnableVertexAttribArray(locAtt2APD);
glBindVertexArray(vao[DPO_SHADER]);
glBindBuffer(GL_ARRAY_BUFFER, vboPacket);
/* No need to initialize the buffer a second time */
glVertexAttribPointer(locPosDPO, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)0);
glVertexAttribPointer(locAtt1DPO, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)4);
glVertexAttribPointer(locAtt2DPO, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 12, (void*)8);
glEnableVertexAttribArray(locPosDPO);
glEnableVertexAttribArray(locAtt1DPO);
glEnableVertexAttribArray(locAtt2DPO);
glBindVertexArray(0);
} }
@ -576,7 +594,7 @@ void initialiser()
// donner l'orientation du modèle // donner l'orientation du modèle
thetaCam = 0.0; thetaCam = 0.0;
phiCam = 0.0; phiCam = 0.0;
distCam = 30.0; distCam = 90.0;
// Create FBOs // Create FBOs
posFBO = new FBO(); posFBO = new FBO();
@ -597,102 +615,14 @@ void initialiser()
// allouer les UBO pour les variables uniformes // allouer les UBO pour les variables uniformes
glGenBuffers( 4, ubo ); glGenBuffers( 4, ubo );
glGenVertexArrays(NB_SHADERS, vao);
// charger les nuanceurs // charger les nuanceurs
chargerNuanceurs(); chargerNuanceurs();
// Initialize VBOs
initQuad(); initQuad();
glUseProgram( prog ); initPacketMesh();
// (partie 1) créer le cube
/* +Y */
/* 3+-----------+2 */
/* |\ |\ */
/* | \ | \ */
/* | \ | \ */
/* | 7+-----------+6 */
/* | | | | */
/* | | | | */
/* 0+---|-------+1 | */
/* \ | \ | +X */
/* \ | \ | */
/* \| \| */
/* 4+-----------+5 */
/* +Z */
GLfloat sommets[3*4*6] =
{
-1.0, 1.0, -1.0, 1.0, 1.0, -1.0, -1.0, -1.0, -1.0, 1.0, -1.0, -1.0, // P3,P2,P0,P1
1.0, -1.0, 1.0, -1.0, -1.0, 1.0, 1.0, -1.0, -1.0, -1.0, -1.0, -1.0, // P5,P4,P1,P0
1.0, 1.0, 1.0, 1.0, -1.0, 1.0, 1.0, 1.0, -1.0, 1.0, -1.0, -1.0, // P6,P5,P2,P1
-1.0, 1.0, 1.0, 1.0, 1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, // P7,P6,P3,P2
-1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, -1.0, -1.0, -1.0, 1.0, -1.0, // P4,P7,P0,P3
-1.0, -1.0, 1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, 1.0, 1.0, 1.0 // P4,P5,P7,P6
};
GLfloat normales[3*4*6] =
{
0.0, 0.0,-1.0, 0.0, 0.0,-1.0, 0.0, 0.0,-1.0, 0.0, 0.0,-1.0,
0.0,-1.0, 0.0, 0.0,-1.0, 0.0, 0.0,-1.0, 0.0, 0.0,-1.0, 0.0,
1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0,
-1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0,
0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
};
GLfloat texcoordsDe[2*4*6] =
{
1.000000,0.000000, 0.666666,0.000000, 1.000000,0.333333, 0.666666,0.333333,
0.000000,0.666666, 0.333333,0.666666, 0.000000,0.333333, 0.333333,0.333333,
0.666666,1.000000, 0.666666,0.666666, 0.333333,1.000000, 0.333333,0.666666,
1.000000,0.333333, 0.666666,0.333333, 1.000000,0.666666, 0.666666,0.666666,
0.333333,0.000000, 0.333333,0.333333, 0.666666,0.000000, 0.666666,0.333333,
0.666666,0.333333, 0.333333,0.333333, 0.666666,0.666666, 0.333333,0.666666
};
GLfloat texcoordsEchiquier[2*4*6] =
{
-1.0, -1.0, -1.0, 2.0, 2.0, -1.0, 2.0, 2.0,
2.0, -1.0, -1.0, -1.0, 2.0, 2.0, -1.0, 2.0,
-1.0, -1.0, -1.0, 2.0, 2.0, -1.0, 2.0, 2.0,
-1.0, 2.0, 2.0, 2.0, -1.0, -1.0, 2.0, -1.0,
2.0, 2.0, 2.0, -1.0, -1.0, 2.0, -1.0, -1.0,
-1.0, -1.0, -1.0, 2.0, 2.0, -1.0, 2.0, 2.0
};
// allouer les objets OpenGL
glGenVertexArrays( 2, vao );
glGenBuffers( 5, vbo );
// initialiser le VAO
glBindVertexArray( vao[0] );
// charger le VBO pour les sommets
glBindBuffer( GL_ARRAY_BUFFER, vbo[0] );
glBufferData( GL_ARRAY_BUFFER, sizeof(sommets), sommets, GL_STATIC_DRAW );
glVertexAttribPointer( locVertex, 3, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locVertex);
// (partie 1) charger le VBO pour les normales
glBindBuffer( GL_ARRAY_BUFFER, vbo[1] );
glBufferData( GL_ARRAY_BUFFER, sizeof(normales), normales, GL_STATIC_DRAW );
glVertexAttribPointer( locNormal, 3, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locNormal);
// (partie 3) charger le VBO pour les coordonnées de texture du dé
glBindBuffer( GL_ARRAY_BUFFER, vbo[2] );
glBufferData( GL_ARRAY_BUFFER, sizeof(texcoordsDe), texcoordsDe, GL_STATIC_DRAW );
glVertexAttribPointer( locTexCoord, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locTexCoord);
// (partie 3) charger le VBO pour les coordonnées de texture de l'échiquier
glBindBuffer( GL_ARRAY_BUFFER, vbo[3] );
glBufferData( GL_ARRAY_BUFFER, sizeof(texcoordsEchiquier), texcoordsEchiquier, GL_STATIC_DRAW );
glVertexAttribPointer( locTexCoord, 2, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locTexCoord);
glBindVertexArray(0);
// initialiser le VAO pour une ligne (montrant la direction du spot)
glBindVertexArray( vao[1] );
GLfloat coords[] = { 0., 0., 0., 0., 0., 1. };
glBindBuffer( GL_ARRAY_BUFFER, vbo[4] );
glBufferData( GL_ARRAY_BUFFER, sizeof(coords), coords, GL_STATIC_DRAW );
glVertexAttribPointer( locVertexBase, 3, GL_FLOAT, GL_FALSE, 0, 0 );
glEnableVertexAttribArray(locVertexBase);
glBindVertexArray(0);
// créer quelques autres formes // créer quelques autres formes
sphere = new FormeSphere( 1.0, 32, 32 ); sphere = new FormeSphere( 1.0, 32, 32 );
@ -709,7 +639,7 @@ void initialiser()
void conclure() void conclure()
{ {
glUseProgram( 0 ); glUseProgram( 0 );
glDeleteVertexArrays( 2, vao ); glDeleteVertexArrays( NB_SHADERS, vao );
glDeleteBuffers( 4, vbo ); glDeleteBuffers( 4, vbo );
glDeleteBuffers( 4, ubo ); glDeleteBuffers( 4, ubo );
delete sphere; delete sphere;
@ -721,6 +651,7 @@ void conclure()
delete posFBO; delete posFBO;
delete heightFBO; delete heightFBO;
delete aaFBO; delete aaFBO;
delete packets;
} }
void drawQuad() void drawQuad()
@ -729,29 +660,38 @@ void drawQuad()
glUniformMatrix4fv( locmatrProjRWMP, 1, GL_FALSE, matrProj ); glUniformMatrix4fv( locmatrProjRWMP, 1, GL_FALSE, matrProj );
glUniformMatrix4fv( locmatrVisuRWMP, 1, GL_FALSE, matrVisu ); glUniformMatrix4fv( locmatrVisuRWMP, 1, GL_FALSE, matrVisu );
glUniformMatrix4fv( locmatrModelRWMP, 1, GL_FALSE, matrModel ); glUniformMatrix4fv( locmatrModelRWMP, 1, GL_FALSE, matrModel );
glBindVertexArray(vaoQuad); glBindVertexArray(vao[RWMP_SHADER]);
glDrawArrays(GL_TRIANGLES, 0, 6); glDrawArrays(GL_TRIANGLES, 0, 6);
} }
void displayPacketOutlined(int count)
{
glUseProgram(progDisplayPacketOutlined);
glBindVertexArray(vao[DPO_SHADER]);
glUniformMatrix4fv(locmatrModelDPO, 1, GL_FALSE, matrModel);
glUniformMatrix4fv(locmatrVisuDPO, 1, GL_FALSE, matrVisu);
glUniformMatrix4fv(locmatrProjDPO, 1, GL_FALSE, matrProj);
glDrawArrays(GL_POINTS, 0, count);
glBindVertexArray(0);
glUseProgram(0);
}
void addPacketDisplacement(int count)
{
glUseProgram(progAddPacketDisplacement);
glBindVertexArray(vao[APD_SHADER]);
glUniformMatrix4fv(locmatrModelAPD, 1, GL_FALSE, matrModel);
glUniformMatrix4fv(locmatrVisuAPD, 1, GL_FALSE, matrVisu);
glUniformMatrix4fv(locmatrProjAPD, 1, GL_FALSE, matrProj);
glDrawArrays(GL_POINTS, 0, count);
glBindVertexArray(0);
glUseProgram(0);
}
void afficherModele() void afficherModele()
{ {
// partie 3: paramètres de texture
switch ( varsUnif.texnumero )
{
default:
//std::cout << "Sans texture" << std::endl;
glBindTexture( GL_TEXTURE_2D, 0 );
break;
case 1:
//std::cout << "Texture DE" << std::endl;
glBindTexture( GL_TEXTURE_2D, texTerrain );
break;
case 2:
//std::cout << "Texture ECHIQUIER" << std::endl;
glBindTexture( GL_TEXTURE_2D, textureECHIQUIER );
break;
}
// Dessiner le modèle // Dessiner le modèle
matrModel.PushMatrix(); { matrModel.PushMatrix(); {
@ -763,11 +703,8 @@ void afficherModele()
matrModel.Scale( 5.0, 5.0, 5.0 ); matrModel.Scale( 5.0, 5.0, 5.0 );
glUniformMatrix4fv( locmatrModel, 1, GL_FALSE, matrModel ); glUniformMatrix4fv( locmatrModel, 1, GL_FALSE, matrModel );
// (partie 1: ne pas oublier de calculer et donner une matrice pour les transformations des normales) updatePackets();
glUniformMatrix3fv( locmatrNormale, 1, GL_TRUE, glm::value_ptr( glm::inverse( glm::mat3( matrVisu.getMatr() * matrModel.getMatr() ) ) ) ); } matrModel.PopMatrix();
drawQuad();
} matrModel.PopMatrix(); glUniformMatrix4fv( locmatrModel, 1, GL_FALSE, matrModel );
} }
void afficherLumiere() void afficherLumiere()
@ -812,7 +749,7 @@ void FenetreTP::afficherScene()
if ( enPerspective ) if ( enPerspective )
{ {
matrProj.Perspective( 35.0, (GLdouble)largeur_ / (GLdouble)hauteur_, matrProj.Perspective( 35.0, (GLdouble)largeur_ / (GLdouble)hauteur_,
0.1, 60.0 ); 0.1, 300.0 );
} }
else else
{ {
@ -822,14 +759,14 @@ void FenetreTP::afficherScene()
matrProj.Ortho( -d, d, matrProj.Ortho( -d, d,
-d*(GLdouble)hauteur_ / (GLdouble)largeur_, -d*(GLdouble)hauteur_ / (GLdouble)largeur_,
d*(GLdouble)hauteur_ / (GLdouble)largeur_, d*(GLdouble)hauteur_ / (GLdouble)largeur_,
0.1, 60.0 ); 0.1, 300.0 );
} }
else else
{ {
matrProj.Ortho( -d*(GLdouble)largeur_ / (GLdouble)hauteur_, matrProj.Ortho( -d*(GLdouble)largeur_ / (GLdouble)hauteur_,
d*(GLdouble)largeur_ / (GLdouble)hauteur_, d*(GLdouble)largeur_ / (GLdouble)hauteur_,
-d, d, -d, d,
0.1, 60.0 ); 0.1, 300.0 );
} }
} }
glUniformMatrix4fv( locmatrProjBase, 1, GL_FALSE, matrProj ); glUniformMatrix4fv( locmatrProjBase, 1, GL_FALSE, matrProj );
@ -844,40 +781,6 @@ void FenetreTP::afficherScene()
if ( afficheAxes ) FenetreTP::afficherAxes( 8.0 ); if ( afficheAxes ) FenetreTP::afficherAxes( 8.0 );
// dessiner la scène // dessiner la scène
afficherLumiere();
glUseProgram( prog );
// mettre à jour les blocs de variables uniformes
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[0] );
GLvoid *p = glMapBuffer( GL_UNIFORM_BUFFER, GL_WRITE_ONLY );
memcpy( p, &LightSource, sizeof(LightSource) );
glUnmapBuffer( GL_UNIFORM_BUFFER );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[1] );
GLvoid *p = glMapBuffer( GL_UNIFORM_BUFFER, GL_WRITE_ONLY );
memcpy( p, &FrontMaterial, sizeof(FrontMaterial) );
glUnmapBuffer( GL_UNIFORM_BUFFER );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[2] );
GLvoid *p = glMapBuffer( GL_UNIFORM_BUFFER, GL_WRITE_ONLY );
memcpy( p, &LightModel, sizeof(LightModel) );
glUnmapBuffer( GL_UNIFORM_BUFFER );
}
{
glBindBuffer( GL_UNIFORM_BUFFER, ubo[3] );
GLvoid *p = glMapBuffer( GL_UNIFORM_BUFFER, GL_WRITE_ONLY );
memcpy( p, &varsUnif, sizeof(varsUnif) );
glUnmapBuffer( GL_UNIFORM_BUFFER );
}
// mettre à jour les matrices et autres uniformes
glUniformMatrix4fv( locmatrProj, 1, GL_FALSE, matrProj );
glUniformMatrix4fv( locmatrVisu, 1, GL_FALSE, matrVisu );
glUniformMatrix4fv( locmatrModel, 1, GL_FALSE, matrModel );
//glActiveTexture( GL_TEXTURE0 ); // activer la texture '0' (valeur de défaut) //glActiveTexture( GL_TEXTURE0 ); // activer la texture '0' (valeur de défaut)
glUniform1i( loclaTexture, 0 ); // '0' => utilisation de GL_TEXTURE0 glUniform1i( loclaTexture, 0 ); // '0' => utilisation de GL_TEXTURE0
@ -941,8 +844,9 @@ void FenetreTP::clavier( TP_touche touche )
break; break;
case TP_r: // Alterner entre le modèle de réflexion spéculaire: Phong, Blinn case TP_r: // Alterner entre le modèle de réflexion spéculaire: Phong, Blinn
varsUnif.utiliseBlinn = !varsUnif.utiliseBlinn; // Send one wave front
echoEtats( ); packets->CreateCircularWavefront(0.0, 0.0, 2.0, 0.2, 1.0, 10000);
printf("Sending a circular wavefront...\n");
break; break;
case TP_s: // Alterner entre le modèle de spot: OpenGL, Direct3D case TP_s: // Alterner entre le modèle de spot: OpenGL, Direct3D

4
util.cpp
View file

@ -91,9 +91,9 @@ checkglerr(const char *msg, const int line)
while ((err = glGetError()) != GL_NO_ERROR) while ((err = glGetError()) != GL_NO_ERROR)
{ {
if (err >= GL_INVALID_ENUM && err <= GL_INVALID_FRAMEBUFFER_OPERATION) if (err >= GL_INVALID_ENUM && err <= GL_INVALID_FRAMEBUFFER_OPERATION)
fprintf(stderr, "%s l.%d\n", errors[err - GL_INVALID_ENUM], line); fprintf(stderr, "%s : %s l.%d\n", msg, errors[err - GL_INVALID_ENUM], line);
else else
fprintf(stderr, "Unknown error l.%d\n", line); fprintf(stderr, "%s : Unknown error l.%d\n", msg, line);
++rc; ++rc;
} }
return rc; return rc;