1 /*!**************************************************************************** 2 3 @file PVRTBackground.h 4 @copyright Copyright (c) Imagination Technologies Limited. 5 @brief Function to draw a background texture. 6 7 ******************************************************************************/ 8 #ifndef __PVRTBACKGROUND_H__ 9 #define __PVRTBACKGROUND_H__ 10 11 #include "PVRTGlobal.h" 12 #include "PVRTContext.h" 13 #include "PVRTString.h" 14 #include "PVRTError.h" 15 16 /**************************************************************************** 17 ** Structures 18 ****************************************************************************/ 19 /*!*************************************************************************** 20 @struct SPVRTBackgroundAPI 21 @brief A struct for storing API specific variables 22 *****************************************************************************/ 23 struct SPVRTBackgroundAPI; 24 25 /*!*************************************************************************** 26 @class CPVRTBackground 27 @brief A class for drawing a fullscreen textured background 28 *****************************************************************************/ 29 class CPVRTBackground 30 { 31 public: 32 /*!*************************************************************************** 33 @brief Initialise some values. 34 *****************************************************************************/ 35 CPVRTBackground(void); 36 /*!*************************************************************************** 37 @brief Calls Destroy() 38 *****************************************************************************/ 39 ~CPVRTBackground(void); 40 /*!*************************************************************************** 41 @brief Destroys the background and releases API specific resources 42 *****************************************************************************/ 43 void Destroy(); 44 45 /*!*************************************************************************** 46 @brief Initialises the background 47 @param[in] pContext A pointer to a PVRTContext 48 @param[in] bRotate true to rotate texture 90 degrees. 49 @param[in] pszError An option string for returning errors 50 @return PVR_SUCCESS on success 51 *****************************************************************************/ 52 EPVRTError Init(const SPVRTContext * const pContext, const bool bRotate, CPVRTString *pszError = 0); 53 54 #if defined(BUILD_OGL) || defined(BUILD_OGLES) || defined(BUILD_OGLES2) || defined(BUILD_OGLES3) 55 /*!*************************************************************************** 56 @brief Draws a texture on a quad covering the whole screen. 57 @param[in] ui32Texture Texture to use 58 @return PVR_SUCCESS on success 59 *****************************************************************************/ 60 EPVRTError Draw(const GLuint ui32Texture); 61 #elif defined(BUILD_DX11) 62 /*!*************************************************************************** 63 @brief Draws a texture on a quad covering the whole screen. 64 @param[in] pTexture Texture to use 65 @return PVR_SUCCESS on success 66 *****************************************************************************/ 67 EPVRTError Draw(ID3D11ShaderResourceView *pTexture); 68 #endif 69 70 protected: 71 bool m_bInit; 72 SPVRTBackgroundAPI *m_pAPI; 73 }; 74 75 76 #endif /* __PVRTBACKGROUND_H__ */ 77 78 /***************************************************************************** 79 End of file (PVRTBackground.h) 80 *****************************************************************************/ 81 82
