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FragShader.cpp

FragShader.cpp 5.8 KB
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  1. // This file was created by Filewrap 1.1
    2. 

  2. // Little endian mode
    3. 

  3. // DO NOT EDIT
    4. 

  4. 

  5. #include "../PVRTMemoryFileSystem.h"
    6. 

  6. 

  7. // using 32 bit to guarantee alignment.
    8. 

  8. #ifndef A32BIT
    9. 

  9.  #define A32BIT static const unsigned int
    10. 

  10. #endif
    11. 

  11. 

  12. // ******** Start: FragShader.fsh ********
    13. 

  13. 

  14. // File data
    15. 

  15. static const char _FragShader_fsh[] = 
    16. 

  16. 	"uniform sampler2D\t\tNormalTex;\r\n"
    17. 

  17. 	"uniform sampler2D\t\tReflectionTex;\r\n"
    18. 

  18. 	"#ifdef ENABLE_REFRACTION\r\n"
    19. 

  19. 	"\tuniform sampler2D\t\tRefractionTex;\r\n"
    20. 

  20. 	"#endif\r\n"
    21. 

  21. 	"uniform samplerCube NormalisationCubeMap;\r\n"
    22. 

  22. 	"\r\n"
    23. 

  23. 	"uniform mediump mat4\tModelViewMatrix;\r\n"
    24. 

  24. 	"uniform lowp vec4\t\tWaterColour;\r\n"
    25. 

  25. 	"#ifdef ENABLE_DISTORTION\r\n"
    26. 

  26. 	"\tuniform mediump float\tWaveDistortion;\r\n"
    27. 

  27. 	"#endif\r\n"
    28. 

  28. 	"uniform mediump vec2 \tRcpWindowSize;\r\n"
    29. 

  29. 	"\r\n"
    30. 

  30. 	"varying mediump vec2 \tBumpCoord0;\r\n"
    31. 

  31. 	"varying mediump vec2 \tBumpCoord1;\r\n"
    32. 

  32. 	"varying mediump vec3\tWaterToEye;\r\n"
    33. 

  33. 	"varying mediump float\tWaterToEyeLength;\r\n"
    34. 

  34. 	"\r\n"
    35. 

  35. 	"void main()\r\n"
    36. 

  36. 	"{\t\r\n"
    37. 

  37. 	"\t// Calculate the tex coords of the fragment (using it's position on the screen)\r\n"
    38. 

  38. 	"\tlowp vec3 vAccumulatedNormal = vec3(0.0,1.0,0.0);\r\n"
    39. 

  39. 	"\tmediump vec2 vTexCoord = gl_FragCoord.xy * RcpWindowSize;\r\n"
    40. 

  40. 	"\t\r\n"
    41. 

  41. 	"\t#ifdef ENABLE_DISTORTION\r\n"
    42. 

  42. 	"\t\t// When distortion is enabled, use the normal map to calculate perturbation\r\n"
    43. 

  43. 	"\t\tvAccumulatedNormal = texture2D(NormalTex, BumpCoord0).rgb;\r\n"
    44. 

  44. 	"\t\tvAccumulatedNormal += texture2D(NormalTex, BumpCoord1).rgb;\r\n"
    45. 

  45. 	"\t\tvAccumulatedNormal -= 1.0; // Same as * 2.0 - 2.0\r\n"
    46. 

  46. 	"\t\r\n"
    47. 

  47. 	"\t\tlowp vec2 vTmp = vAccumulatedNormal.xz;\r\n"
    48. 

  48. 	"\t\t/* \t\r\n"
    49. 

  49. 	"\t\t\tDivide by WaterToEyeLength to scale down the distortion\r\n"
    50. 

  50. 	"\t\t \tof fragments based on their distance from the camera \r\n"
    51. 

  51. 	"\t\t*/\r\n"
    52. 

  52. 	"\t\tvTexCoord.xy -= vTmp * (WaveDistortion / length(WaterToEye));\r\n"
    53. 

  53. 	"\t#endif\r\n"
    54. 

  54. 	"\r\n"
    55. 

  55. 	"#ifdef ENABLE_REFRACTION\r\n"
    56. 

  56. 	"\tlowp vec4 vReflectionColour = texture2D(ReflectionTex, vTexCoord);\r\n"
    57. 

  57. 	"\tlowp vec4 vRefractionColour = texture2D(RefractionTex, vTexCoord);\r\n"
    58. 

  58. 	"\t\r\n"
    59. 

  59. 	"\t#ifdef ENABLE_FRESNEL\r\n"
    60. 

  60. 	"\t\t// Calculate the Fresnel term to determine amount of reflection for each fragment\r\n"
    61. 

  61. 	"\t\t\r\n"
    62. 

  62. 	"\t\t// Use normalisation cube map instead of normalize() - See section 3.3.1 of white paper for more info\r\n"
    63. 

  63. 	"\t\tlowp vec3 vWaterToEyeCube = textureCube(NormalisationCubeMap,WaterToEye).rgb * 2.0 - 1.0;\r\n"
    64. 

  64. 	"\r\n"
    65. 

  65. 	"\t\tmediump float fEyeToNormalAngle = clamp(dot(vWaterToEyeCube, vAccumulatedNormal),0.0,1.0);\r\n"
    66. 

  66. 	"\t\t\r\n"
    67. 

  67. 	"\t\tmediump float fAirWaterFresnel = 1.0 - fEyeToNormalAngle;\r\n"
    68. 

  68. 	"\t\tfAirWaterFresnel = pow(fAirWaterFresnel, 5.0);\r\n"
    69. 

  69. 	"\t\tfAirWaterFresnel = (0.98 * fAirWaterFresnel) + 0.02;\t// R(0)-1 = ~0.98 , R(0)= ~0.02\r\n"
    70. 

  70. 	"\t\tlowp float fTemp = fAirWaterFresnel;\r\n"
    71. 

  71. 	"\t\t\r\n"
    72. 

  72. 	"\t\t// Blend reflection and refraction\r\n"
    73. 

  73. 	"\t\tgl_FragColor = mix(vRefractionColour, vReflectionColour, fTemp);\r\n"
    74. 

  74. 	"\t#else\r\n"
    75. 

  75. 	"\t\tgl_FragColor = mix(vRefractionColour, vReflectionColour, 0.4);\t// Constant mix\r\n"
    76. 

  76. 	"\t#endif\r\n"
    77. 

  77. 	"#else\r\n"
    78. 

  78. 	"\tgl_FragColor = texture2D(ReflectionTex, vTexCoord);\t\t\t\t\t// Reflection only\r\n"
    79. 

  79. 	"#endif\r\n"
    80. 

  80. 	"}\r\n";
    81. 

  81. 

  82. // Register FragShader.fsh in memory file system at application startup time
    83. 

  83. static CPVRTMemoryFileSystem RegisterFile_FragShader_fsh("FragShader.fsh", _FragShader_fsh, 2388);
    84. 

  84. 

  85. // ******** End: FragShader.fsh ********
    86. 

  86. 

  87. // This file was created by Filewrap 1.1
    88. 

  88. // Little endian mode
    89. 

  89. // DO NOT EDIT
    90. 

  90. 

  91. #include "../PVRTMemoryFileSystem.h"
    92. 

  92. 

  93. // using 32 bit to guarantee alignment.
    94. 

  94. #ifndef A32BIT
    95. 

  95.  #define A32BIT static const unsigned int
    96. 

  96. #endif
    97. 

  97. 

  98. // ******** Start: FragShader.fsc ********
    99. 

  99. 

  100. // File data
    101. 

  101. A32BIT _FragShader_fsc[] = {
    102. 

  102. 0x10fab438,0xae9474a9,0x30050100,0x2501,0xd363e337,0x2000000,0x20000000,0xc2030000,0x1000000,0x4000000,0x0,0x0,0x56,0x0,0x0,0x0,0x0,0x80010000,0x55535020,0x20,0x174,0x1,0x0,0x0,0x224,0x80,0x2,0x7d,0x0,0x8,0x0,0xffffffff,0x0,0x770009,0xffff,0x2,0x0,0x10000,0x6,0x0,0x0,0x0,0x0,0x3fffc,0x40000,0x1,0x0,0xffff0003,0xffffffff,0x30000,0x800000,0x4,0x2000e,0x20001,0x40002,0x0,0x50002,0x100000,0x80002,0x1,0x90002,0x100001,0xa0002,0x2,
    103. 

  103. 0xb0002,0x100002,0xffffffff,0xffffffff,0x0,0x0,0x4,0x20003,0x60000,0x80010002,0x80018001,0x8001,0x0,0x40000,0x40004,0x40004,0x10004,0x1d7ea000,0x168b4000,0x100e7020,0x568a3002,0x10867000,0x16b03002,0x11065000,0x3003,0x1b72a022,0x44b04001,0x1006d000,0x53001,0x0,0x80010002,0x80018001,0x8001,0x0,0x100000,0xf0000,0x60a000f,0x30003,0x30003,0x0,0x0,0x40004,0x40004,0x10000,0x30002,0x10001,0x0,0xa0000000,0xe003140c,0x6,0x80010000,0x55535020,0x20,0x174,0x1,0x0,0x0,0x2a4,0x80,0x2,0x7d,0x0,0x8,0x0,
    104. 

  104. 0xffffffff,0x0,0x770009,0xffff,0x20002,0x0,0x10000,0x6,0x0,0x0,0x0,0x0,0x1fffc,0x40000,0x1,0x0,0xffff0003,0xffffffff,0x30000,0x800000,0x4,0x2000e,0x20001,0x40002,0x0,0x50002,0x100000,0x80002,0x1,0x90002,0x100001,0xa0002,0x2,0xb0002,0x100002,0xffffffff,0xffffffff,0x0,0x0,0x4,0x20003,0x60000,0x80010002,0x80018001,0x8001,0x0,0x40000,0x40004,0x40004,0x10004,0x1d7ca000,0x168b4000,0x10087020,0x568a3002,0x10807000,0x16b03002,0x11005000,0x3003,0x1b702022,0x44b04001,0x1000d000,0x53001,0x0,0x80010002,
    105. 

  105. 0x80018001,0x8001,0x0,0x0,0xf0000,0x60a000f,0x10001,0x10001,0x0,0x0,0x40004,0x40004,0x10000,0x30002,0x10001,0x0,0xa0000000,0xe0031408,0x6,0xc00,0x803f0000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3000000,0x57706352,0x6f646e69,0x7a695377,0x65,0x20303,0x100,0x2040001,0x300,0x6c666552,0x69746365,0x65546e6f,0x78,0x10318,0x100,0x1000002,0x100,0x505f6c67,0x6f50584d,0x6a644173,0x747375,0x3055700,0x1000002,0x10000,0xf000408,0x0,
    106. 

  106. };
    107. 

  107. 

  108. // Register FragShader.fsc in memory file system at application startup time
    109. 

  109. static CPVRTMemoryFileSystem RegisterFile_FragShader_fsc("FragShader.fsc", _FragShader_fsc, 994);
    110. 

  110. 

  111. // ******** End: FragShader.fsc ********
    112. 

  112. 

  113.