void ParticleRenderer::display(DisplayMode mode /* = PARTICLE_POINTS */)
{
switch (mode)
{
case PARTICLE_POINTS:
glColor3f(1, 1, 1);
glPointSize(m_pointSize);
_drawPoints();
break;
default:
case PARTICLE_SPHERES:
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glUseProgram(m_program);
glUniform1f( glGetUniformLocation(m_program, "pointScale"), m_window_h / tanf(m_fov*0.5f*(float)M_PI/180.0f) );
glUniform1f( glGetUniformLocation(m_program, "pointRadius"), m_particleRadius );
glColor3f(1, 1, 1);
_drawPoints();
glUseProgram(0);
glDisable(GL_POINT_SPRITE_ARB);
break;
}
}
void Renderer::drawpointsprite(){
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
m_program->enable();
m_program->setUniform1f("pointScale", m_window_h / tanf(m_fov*0.5f*(float)M_PI / 180.0f));
//m_program->setUniform1f("pointRadius", m_particleRadius);
m_program->setUniform1f("pointRadius", 0.5f);
m_program->setUniform3f("lightPositionIn", 32.0f,128.0f,32.0f);
//m_program->setUniform1f("near", 0.1f);
//m_program->setUniform1f("far", 3000.0f);
glColor4f(1, 1, 1, 0.5);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
_drawPoints();
glDisable(GL_BLEND);
m_program->disable();
glDisable(GL_POINT_SPRITE_ARB);
}
void ParticleRenderer::display(DisplayMode mode /* = PARTICLE_POINTS */)
{
switch (mode)
{
case PARTICLE_POINTS:
glColor3f(1, 1, 1);
glPointSize(m_pointSize);
_drawPoints();
break;
case PARTICLE_SPRITES:
default:
{
// setup point sprites
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glPointSize(m_spriteSize);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE);
glUseProgram(m_program);
GLuint texLoc = glGetUniformLocation(m_program, "splatTexture");
glUniform1i(texLoc, 0);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, m_texture);
glColor3f(1, 1, 1);
glSecondaryColor3fv(m_baseColor);
_drawPoints();
glUseProgram(0);
glDisable(GL_POINT_SPRITE_ARB);
glDisable(GL_BLEND);
glDepthMask(GL_TRUE);
}
break;
case PARTICLE_SPRITES_COLOR:
{
// setup point sprites
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glPointSize(m_spriteSize);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE);
glUseProgram(m_program);
GLuint texLoc = glGetUniformLocation(m_program, "splatTexture");
glUniform1i(texLoc, 0);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, m_texture);
glColor3f(1, 1, 1);
glSecondaryColor3fv(m_baseColor);
_drawPoints(true);
glUseProgram(0);
glDisable(GL_POINT_SPRITE_ARB);
glDisable(GL_BLEND);
glDepthMask(GL_TRUE);
}
break;
}
CUT_CHECK_ERROR_GL();
}
void ParticleRenderer::display()
{
if (b_renderSkyBox){
drawSkyBox();
}
if (b_renderFloor){
drawFloor();
}
switch (_displayMode)
{
case PARTICLE_POINTS:
{
glColor3f(1, 1, 1);
glPointSize(1.0f);
_drawPoints();
}
break;
case PARTICLE_FIRE:
{
glPointSize(4.0f);
float m_baseColor[4] = { 0.6f, 0.1f, 0.0f, 0.95f};
glColor4f(m_baseColor[0],m_baseColor[1],m_baseColor[2],m_baseColor[3]);
glEnable (GL_POINT_SMOOTH);
glHint (GL_POINT_SMOOTH_HINT, GL_NICEST);
glAlphaFunc(GL_GREATER, 0.1);
glEnable(GL_ALPHA_TEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE); // Disable depth buffer updating! (Integral to transparency!)
_drawPoints(false);
glDepthMask(GL_TRUE);
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
break;
case SPRITE_COSMOS:
{
glEnable(GL_POINT_SPRITE_ARB); // setup point sprites
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE);
glUseProgram(m_program_cosmos);
GLuint texLoc = glGetUniformLocation(m_program_cosmos, "splatTexture");
glUniform1i(texLoc, 0);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, m_texture);
glColor3f(1, 1, 1);
glPointSize(m_particleRadius*2.0f);
//float m_baseColor[4] = {0.6f, 0.1f, 0.0f, 0.95f};
float m_baseColor[4] = { 1.0f, 0.6f, 0.3f, 0.20f}; // nbody fp32 color (yellow)
//float m_baseColor[4] = { 0.4f, 0.8f, 0.1f, 1.0f}; // nbody fp64 color (green)
glSecondaryColor3fv(m_baseColor);
_drawPoints();
glUseProgram(0);
glDisable(GL_POINT_SPRITE_ARB);
glDisable(GL_BLEND);
glDepthMask(GL_TRUE);
}
break;
default:
case PARTICLE_SPHERES:
{
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_NV);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glUseProgram(m_program_sphere);
glUniform1f( glGetUniformLocation(m_program_sphere, "pointScale"), m_window_h / tanf(m_fov*0.5f*(float)M_PI/180.0f) );
glUniform1f( glGetUniformLocation(m_program_sphere, "pointRadius"), m_particleRadius );
glColor3f(1, 1, 1);
_drawPoints();
glUseProgram(0);
glDisable(GL_POINT_SPRITE_ARB);
}
break;
}
}
void Renderer::display(DisplayMode mode, GLSLProgram *prog)
{
switch (mode)
{
case PARTICLE_POINTS:
glColor3f(1, 1, 1);
glPointSize(m_pointSize);
_drawPoints();
break;
case PARTICLE_FLUID:
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
glColor4f(0.5, 0.5, 0.5, 0.1);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE); // don't write depth
glEnable(GL_BLEND);
prog->enable();
//prog->setUniform1f("pointRadius", mParticleRadius);
prog->setUniform1f("pointRadius", 0.5f);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, m_vbo);
glVertexPointer(4, GL_FLOAT, 0, 0);
glEnableClientState(GL_VERTEX_ARRAY);
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m_indexBuffer);
glDrawElements(GL_POINTS, m_numParticles, GL_UNSIGNED_INT, (void *)(0 * sizeof(unsigned int)));
//glDrawArrays(GL_POINTS, 0, m_numParticles);
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
prog->disable();
glDepthMask(GL_TRUE);
glDisable(GL_BLEND);
default:
case PARTICLE_SPHERES:
//glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
//glColor4f(0.5, 0.5, 0.5, 0.1);
//glEnable(GL_DEPTH_TEST);
//glDepthMask(GL_FALSE); // don't write depth
//glEnable(GL_BLEND);
//prog->enable();
////prog->setUniform1f("pointRadius", mParticleRadius);
//prog->setUniform1f("pointRadius", 1.5f);
//glBindBufferARB(GL_ARRAY_BUFFER_ARB, m_vbo);
//glVertexPointer(4, GL_FLOAT, 0, 0);
//glEnableClientState(GL_VERTEX_ARRAY);
//if (m_colorVBO){
// glBindBufferARB(GL_ARRAY_BUFFER_ARB, m_colorVBO);
// glColorPointer(4, GL_FLOAT, 0, 0);
// glEnableClientState(GL_COLOR_ARRAY);
//}
//if (m_velVbo)
//{
// glBindBufferARB(GL_ARRAY_BUFFER_ARB, m_velVbo);
// glClientActiveTexture(GL_TEXTURE0);
// glTexCoordPointer(4, GL_FLOAT, 0, 0);
// glEnableClientState(GL_TEXTURE_COORD_ARRAY);
//}
//if (m_indexBuffer){
// glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m_indexBuffer);
// glDrawElements(GL_POINTS, m_numParticles, GL_UNSIGNED_INT, (void *)(0 * sizeof(unsigned int)));
// glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
//}
//glDisableClientState(GL_VERTEX_ARRAY);
//glDisableClientState(GL_COLOR_ARRAY);
//prog->disable();
//glDepthMask(GL_TRUE);
//glDisable(GL_BLEND);
m_imageFbo->Bind();
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
m_imageFbo->Disable();
glActiveTexture(GL_TEXTURE0);
glMatrixMode(GL_TEXTURE);
m_imageFbo->Bind();
glViewport(0, 0, m_imageW, m_imageH);
glColor4f(1.0, 1.0, 1.0, 1.0);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
drawpointsprite();
m_imageFbo->Disable();
glActiveTexture(GL_TEXTURE0);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
//drawPostProcess();
compositeResult();
//m_program->enable();
//glBindBuffer(GL_ARRAY_BUFFER, m_vbo);
//glVertexPointer(4, GL_FLOAT, 0, 0);
//glEnableClientState(GL_VERTEX_ARRAY);
///*glBindBufferARB(GL_ARRAY_BUFFER_ARB, normalVbo);
//glNormalPointer(GL_FLOAT, sizeof(float) * 4, 0);
//glEnableClientState(GL_NORMAL_ARRAY);*/
//glColor3f(1.0, 0.0, 0.0);
//glDrawArrays(GL_TRIANGLES, 0, totalVerts);
//glDisableClientState(GL_VERTEX_ARRAY);
//glDisableClientState(GL_NORMAL_ARRAY);
//glBindBuffer(GL_ARRAY_BUFFER, 0);
//m_program->disable();
// break;
}
}