00001 #include "AbstractShader.h"
00002
00004
00011 class ShaderObj
00012 {
00013 public:
00014 GLuint shaderID;
00015 GLuint velocityTex;
00016 GLuint valueTex;
00017 GLuint gridTex;
00018 GLuint rot;
00019 GLuint value1;
00020 };
00021
00023
00029 class Shader : public AbstractShader
00030 {
00031 public:
00035 Shader()
00036 {
00037 qBackground = createShader("background_vert.glsl","background_frag.glsl");
00038 gTransformQuadric = createShader("gquadric_vert.glsl","gquadric_frag.glsl");
00039 qTexture = createShader("texture_vert.glsl","texture_frag.glsl");
00040 qVertical = createShader("blur_vert_vert.glsl","blur_vert_fraq.glsl");
00041 qHorizontal = createShader("blur_hori_vert.glsl","blur_hori_fraq.glsl");
00042 qBackground2 = createShader("background_vert.glsl","background2_frag.glsl");
00043 qBackground3 = createShader("background_vert.glsl","background3_frag.glsl");
00044 };
00045
00049 ~Shader()
00050 {
00051 glDeleteShader(gTransformQuadric.shaderID);
00052 glDeleteShader(qBackground.shaderID);
00053 glDeleteShader(qTexture.shaderID);
00054 glDeleteShader(qVertical.shaderID);
00055 glDeleteShader(qHorizontal.shaderID);
00056 glDeleteShader(qBackground2.shaderID);
00057 }
00058
00065 ShaderObj createShader(const char* vertexshadername, const char* fragmentshadername)
00066 {
00067 std::cout << "Create Shader beginn: " << std::endl;
00068 ShaderObj shaderID;
00069 GLhandleARB vertexShaderHandle;
00070 GLhandleARB fragmentShaderHandle;
00071
00072 vertexShaderHandle = loadShader(vertexshadername,GL_VERTEX_SHADER);
00073 fragmentShaderHandle = loadShader(fragmentshadername,GL_FRAGMENT_SHADER);
00074
00075 shaderID.shaderID = glCreateProgramObjectARB();
00076
00077 glAttachObjectARB(shaderID.shaderID,vertexShaderHandle);
00078 glAttachObjectARB(shaderID.shaderID,fragmentShaderHandle);
00079 glLinkProgramARB(shaderID.shaderID);
00080
00081 shaderID.velocityTex = glGetUniformLocationARB(shaderID.shaderID, "velocityTex");
00082 shaderID.valueTex = glGetUniformLocationARB(shaderID.shaderID, "valueTex");
00083 shaderID.gridTex = glGetUniformLocationARB(shaderID.shaderID, "gridTex");
00084 shaderID.rot = glGetUniformLocationARB(shaderID.shaderID, "rot");
00085 shaderID.value1 = glGetUniformLocationARB(shaderID.shaderID, "value1");
00086
00087 std::cout << "Create Shader end " << std::endl;
00088
00089 return shaderID;
00090 }
00091
00109 void start(int mode)
00110 {
00111 ShaderObj shaderObj;
00112
00113 switch(mode)
00114 {
00115 case 0: shaderObj = gTransformQuadric;
00116 break;
00117 case 1: shaderObj = qBackground;
00118 break;
00119 case 2: shaderObj = qTexture;
00120 break;
00121 case 3:
00122 shaderObj = qVertical;
00123 break;
00124 case 4:
00125 shaderObj = qHorizontal;
00126 break;
00127 case 5:
00128 shaderObj = qBackground2;
00129 break;
00130 case 6:
00131 shaderObj = qBackground3;
00132 break;
00133 }
00134
00135 glUseProgramObjectARB(shaderObj.shaderID);
00136 glUniform1iARB(shaderObj.velocityTex, 0);
00137 glUniform1iARB(shaderObj.valueTex, 1);
00138 glUniform1iARB(shaderObj.gridTex, 2);
00139 };
00140
00144 void stop()
00145 {
00146 glUseProgramObjectARB(0);
00147 };
00148
00149
00150 ShaderObj gTransformQuadric;
00151 ShaderObj qBackground;
00152 ShaderObj qTexture;
00153 ShaderObj qHorizontal;
00154 ShaderObj qVertical;
00155 ShaderObj qBackground2;
00156 ShaderObj qBackground3;
00157 };
