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(); } } }