void Application::setOrthoView(int x, int y, int viewWidth, int viewHeight,
scalar orthoWidth, scalar orthoHeight)
{
// set viewport & ortho projection
setViewport(x,y,viewWidth,viewHeight);
setOrthoProjection(orthoWidth,orthoHeight);
}
void AnaglyphRenderer::draw() {
CHECK_GL_ERROR
GLFrame *glFrame = renderer->getGLFrame();
float eyesShift = 5.0 * settings.eyesShift * glFrame->getCameraPosition().z / 200.0;
glMatrixMode(GL_MODELVIEW);
// Prepare anaglyph textures
glPushMatrix();
//glTranslatef(eyesShift, 0, 0);
glLoadIdentity();
gluLookAt(eyesShift, 0.0, glFrame->getCameraPosition().z, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
// at this moment buffer must be clean glClear omitted as a slow operation
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// isolate errors from main scene renderer
CHECK_GL_ERROR
renderer->draw();
glGetError();
glBindTexture(GL_TEXTURE_2D, anaglyphRenderTextureRight);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 0, 0, width, height, 0);
glPopMatrix();
glPushMatrix();
//glTranslatef(-eyesShift, 0, 0);
glLoadIdentity();
gluLookAt(-eyesShift, 0.0, glFrame->getCameraPosition().z, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// isolate errors from main scene renderer
CHECK_GL_ERROR
renderer->draw();
glGetError();
glBindTexture(GL_TEXTURE_2D, anaglyphRenderTextureLeft);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 0, 0, width, height, 0);
glPopMatrix();
// Draw anaglyph textures in ortho projection
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
setOrthoProjection();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
drawTexturesAnaglyph();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
CHECK_GL_ERROR
}
void Application::setOrthoView()
{
// set viewport to fullscreen, then set ortho (1:1 ratio)
setViewport(0, 0, displayWidth_, displayHeight_);
setOrthoProjection(displayWidth_, displayHeight_);
}
void Application::setOrthoView(scalar width, scalar height)
{
// set viewport to fullscreen, then set ortho (alternative ratio)
setViewport(0, 0, displayWidth_, displayHeight_);
setOrthoProjection(width,height);
}
