nuclear@0: /************************************************************************************
nuclear@0: 
nuclear@0: Filename    :   CAPI_GL_HSWDisplay.h
nuclear@0: Content     :   Implements Health and Safety Warning system.
nuclear@0: Created     :   July 7, 2014
nuclear@0: Authors     :   Paul Pedriana
nuclear@0: 
nuclear@0: Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
nuclear@0: 
nuclear@0: Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); 
nuclear@0: you may not use the Oculus VR Rift SDK except in compliance with the License, 
nuclear@0: which is provided at the time of installation or download, or which 
nuclear@0: otherwise accompanies this software in either electronic or hard copy form.
nuclear@0: 
nuclear@0: You may obtain a copy of the License at
nuclear@0: 
nuclear@0: http://www.oculusvr.com/licenses/LICENSE-3.2 
nuclear@0: 
nuclear@0: Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
nuclear@0: distributed under the License is distributed on an "AS IS" BASIS,
nuclear@0: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nuclear@0: See the License for the specific language governing permissions and
nuclear@0: limitations under the License.
nuclear@0: 
nuclear@0: ************************************************************************************/
nuclear@0: 
nuclear@0: #ifndef OVR_CAPI_GL_HSWDisplay_h
nuclear@0: #define OVR_CAPI_GL_HSWDisplay_h
nuclear@0: 
nuclear@0: 
nuclear@0: #include "../CAPI_HSWDisplay.h"
nuclear@0: #include "CAPI_GL_Util.h"
nuclear@0: 
nuclear@0: 
nuclear@0: namespace OVR { namespace CAPI { namespace GL {
nuclear@0: 
nuclear@0:     class HSWDisplay : public CAPI::HSWDisplay
nuclear@0:     {
nuclear@0:     public:
nuclear@0:         HSWDisplay(ovrRenderAPIType api, ovrHmd hmd, const HMDRenderState& renderState);
nuclear@0: 
nuclear@0:         // Must be called before use. apiConfig is such that:
nuclear@0:         //   const ovrGLConfig* config = (const ovrGLConfig*)apiConfig; or
nuclear@0:         bool Initialize(const ovrRenderAPIConfig* apiConfig);
nuclear@0:         void Shutdown();
nuclear@0:         void DisplayInternal();
nuclear@0:         void DismissInternal();
nuclear@0: 
nuclear@0:         // Draws the warning to the eye texture(s). This must be done at the end of a 
nuclear@0:         // frame but prior to executing the distortion rendering of the eye textures. 
nuclear@0:         void RenderInternal(ovrEyeType eye, const ovrTexture* eyeTexture);
nuclear@0: 
nuclear@0:     protected:
nuclear@0:         void UnloadGraphics();
nuclear@0:         void LoadGraphics();
nuclear@0: 
nuclear@0:         OVR::CAPI::GL::RenderParams        RenderParams;
nuclear@0:         OVR::CAPI::GL::Context             GLContext;           // Our prive OpenGL context for drawing.
nuclear@0:         GLuint                             FrameBuffer;         // This is a container for a texture, depth buffer, stencil buffer to be rendered to. To consider: Make a wrapper class, like the OculusWorldDemo RBuffer class. 
nuclear@0:         Ptr<OVR::CAPI::GL::Texture>        pTexture;
nuclear@0:         Ptr<OVR::CAPI::GL::ShaderSet>      pShaderSet;
nuclear@0:         Ptr<OVR::CAPI::GL::VertexShader>   pVertexShader;
nuclear@0:         Ptr<OVR::CAPI::GL::FragmentShader> pFragmentShader;
nuclear@0:         Ptr<OVR::CAPI::GL::Buffer>         pVB;
nuclear@0:         GLuint                             VAO;                 // Vertex Array Object.
nuclear@0:         bool                               VAOInitialized;      // True if the VAO was initialized with vertex buffer data.
nuclear@0:         Matrix4f                           OrthoProjection[2];  // Projection for 2D.
nuclear@0: 
nuclear@0:     private:
nuclear@0:         OVR_NON_COPYABLE(HSWDisplay)
nuclear@0:     };
nuclear@0: 
nuclear@0: }}} // namespace OVR::CAPI::GL
nuclear@0: 
nuclear@0: 
nuclear@0: #endif // OVR_CAPI_GL_HSWDisplay_h
nuclear@0: