public static void apply(final JoglRenderer renderer, final GLSLShaderObjectsState state) {
final GL gl = GLU.getCurrentGL();
final RenderContext context = ContextManager.getCurrentContext();
final ContextCapabilities caps = context.getCapabilities();
if (caps.isGLSLSupported()) {
// Ask for the current state record
final ShaderObjectsStateRecord record =
(ShaderObjectsStateRecord) context.getStateRecord(StateType.GLSLShader);
context.setCurrentState(StateType.GLSLShader, state);
if (state.isEnabled()) {
if (state._needSendShader) {
sendToGL(state);
}
if (state._shaderDataLogic != null) {
state._shaderDataLogic.applyData(state, state._mesh, renderer);
}
}
if (!record.isValid() || record.getReference() != state || state.needsRefresh()) {
record.setReference(state);
if (state.isEnabled()) {
if (state._programID != -1) {
gl.glUseProgramObjectARB(state._programID);
final List<ShaderVariable> attribs = state.getShaderAttributes();
for (int i = attribs.size(); --i >= 0; ) {
final ShaderVariable shaderVariable = attribs.get(i);
if (shaderVariable.needsRefresh) {
JoglShaderUtil.updateAttributeLocation(shaderVariable, state._programID);
shaderVariable.needsRefresh = false;
}
JoglShaderUtil.updateShaderAttribute(shaderVariable);
}
final List<ShaderVariable> uniforms = state.getShaderUniforms();
for (int i = uniforms.size(); --i >= 0; ) {
final ShaderVariable shaderVariable = uniforms.get(i);
if (shaderVariable.needsRefresh) {
JoglShaderUtil.updateUniformLocation(shaderVariable, state._programID);
JoglShaderUtil.updateShaderUniform(shaderVariable);
shaderVariable.needsRefresh = false;
}
}
}
} else {
gl.glUseProgramObjectARB(0);
}
}
if (!record.isValid()) {
record.validate();
}
}
}
/**
* Initialize texture renderers. Load water textures. Create shaders.
*
* @param r
*/
private void initialize(final Renderer r) {
if (cam == null || initialized) {
return;
}
initialized = true;
final ContextCapabilities caps = ContextManager.getCurrentContext().getCapabilities();
if (useRefraction && useProjectedShader && caps.getNumberOfFragmentTextureUnits() < 6
|| useRefraction && caps.getNumberOfFragmentTextureUnits() < 5) {
useRefraction = false;
logger.info("Not enough textureunits, falling back to non refraction water");
}
if (!caps.isGLSLSupported()) {
supported = false;
}
if (!(caps.isPbufferSupported() || caps.isFBOSupported())) {
supported = false;
}
if (isSupported()) {
tRenderer =
TextureRendererFactory.INSTANCE.createTextureRenderer( //
cam.getWidth() / renderScale, // width
cam.getHeight() / renderScale, // height
8, // Depth bits... TODO: Make configurable?
0, // Samples... TODO: Make configurable?
r,
caps);
// blurSampleDistance = 1f / ((float) cam.getHeight() / renderScale);
tRenderer.setMultipleTargets(true);
tRenderer.setBackgroundColor(new ColorRGBA(0.0f, 0.0f, 0.0f, 1.0f));
tRenderer
.getCamera()
.setFrustum(
cam.getFrustumNear(),
cam.getFrustumFar(),
cam.getFrustumLeft(),
cam.getFrustumRight(),
cam.getFrustumTop(),
cam.getFrustumBottom());
textureState = new TextureState();
textureState.setEnabled(true);
setupTextures();
fullScreenQuad = new Quad("FullScreenQuad", cam.getWidth() / 4, cam.getHeight() / 4);
fullScreenQuad.setTranslation(cam.getWidth() / 2, cam.getHeight() / 2, 0);
fullScreenQuad.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
fullScreenQuad.getSceneHints().setCullHint(CullHint.Never);
fullScreenQuad.getSceneHints().setTextureCombineMode(TextureCombineMode.Replace);
fullScreenQuad.getSceneHints().setLightCombineMode(LightCombineMode.Off);
final TextureState ts = new TextureState();
ts.setTexture(textureReflect);
fullScreenQuad.setRenderState(ts);
fullScreenQuad.setRenderState(blurShaderVertical);
fullScreenQuad.updateWorldRenderStates(false);
}
if (!isSupported()) {
createFallbackData();
} else {
noFog = new FogState();
noFog.setEnabled(false);
}
getSceneHints().setCullHint(CullHint.Never);
setWaterEffectOnSpatial(this);
}