void LLPostProcess::applyShaders(void)
{
if (tweaks.useColorFilter()){
applyColorFilterShader();
checkError();
}
if (tweaks.useNightVisionShader()){
/// If any of the above shaders have been called update the frame buffer;
if (tweaks.useColorFilter())
{
U32 tex = mSceneRenderTexture->getTexName() ;
copyFrameBuffer(tex, screenW, screenH);
}
applyNightVisionShader();
checkError();
}
if (tweaks.useBloomShader()){
/// If any of the above shaders have been called update the frame buffer;
if (tweaks.useColorFilter().asBoolean() || tweaks.useNightVisionShader().asBoolean())
{
U32 tex = mSceneRenderTexture->getTexName() ;
copyFrameBuffer(tex, screenW, screenH);
}
applyBloomShader();
checkError();
}
}
void LLPostProcess::applyShaders(void)
{
bool copy_buffer = false;
if (tweaks.useColorFilter())
{
applyColorFilterShader();
checkError();
copy_buffer = true;
}
if (tweaks.useGaussBlurFilter())
{
/// If any of the above shaders have been called update the frame buffer;
if (copy_buffer)
copyFrameBuffer();
applyGaussBlurShader();
checkError();
copy_buffer = true;
}
if (tweaks.useNightVisionShader())
{
/// If any of the above shaders have been called update the frame buffer;
if (copy_buffer)
copyFrameBuffer();
applyNightVisionShader();
checkError();
copy_buffer = true;
}
}
void LLPostProcess::doEffects(void)
{
/// Save GL State
glPushAttrib(GL_ALL_ATTRIB_BITS);
glPushClientAttrib(GL_ALL_ATTRIB_BITS);
/// Copy the screen buffer to the render texture
{
U32 tex = mSceneRenderTexture->getTexName() ;
copyFrameBuffer(tex, screenW, screenH);
}
/// Clear the frame buffer.
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
/// Change to an orthogonal view
viewOrthogonal(screenW, screenH);
checkError();
applyShaders();
LLGLSLShader::bindNoShader();
checkError();
/// Change to a perspective view
viewPerspective();
/// Reset GL State
glPopClientAttrib();
glPopAttrib();
checkError();
}
void LLPostProcess::doEffects(void)
{
LLVertexBuffer::unbind();
mNoiseTextureScale = 0.001f + ((100.f - mSelectedEffectInfo["noise_size"].asFloat()) / 100.f);
mNoiseTextureScale *= (mScreenHeight / NOISE_SIZE);
/// Copy the screen buffer to the render texture
copyFrameBuffer();
stop_glerror();
//Disable depth. Set blendmode to replace.
LLGLDepthTest depth(GL_FALSE,GL_FALSE);
LLGLEnable blend(GL_BLEND);
gGL.setSceneBlendType(LLRender::BT_REPLACE);
/// Change to an orthogonal view
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.pushMatrix();
gGL.loadIdentity();
gGL.ortho( 0.f, (GLdouble) mScreenWidth, 0.f, (GLdouble) mScreenHeight, -1.f, 1.f );
gGL.matrixMode(LLRender::MM_MODELVIEW);
gGL.pushMatrix();
gGL.loadIdentity();
applyShaders();
LLGLSLShader::bindNoShader();
/// Change to a perspective view
gGL.flush();
gGL.matrixMode( LLRender::MM_PROJECTION );
gGL.popMatrix();
gGL.matrixMode( LLRender::MM_MODELVIEW );
gGL.popMatrix();
gGL.setSceneBlendType(LLRender::BT_ALPHA); //Restore blendstate. Alpha is ASSUMED for hud/ui render, etc.
gGL.getTexUnit(1)->disable();
}
void LLPostProcess::applyGaussBlurShader(void)
{
int pass_count = tweaks.getGaussBlurPasses();
if(!pass_count || gPostGaussianBlurProgram.mProgramObject == 0)
return;
gPostGaussianBlurProgram.bind();
gGL.getTexUnit(0)->bind(mSceneRenderTexture);
GLint horiz_pass = gPostGaussianBlurProgram.getUniformLocation("horizontalPass");
for(int i = 0;i<pass_count;++i)
{
for(int j = 0;j<2;++j)
{
if(i || j)
copyFrameBuffer();
glUniform1iARB(horiz_pass, j);
drawOrthoQuad(QUAD_NORMAL);
}
}
gPostGaussianBlurProgram.unbind();
}