Changeset 9cbdc9c in network-game for graphics_library
- Timestamp:
- Feb 7, 2014, 3:28:10 PM (11 years ago)
- Branches:
- master
- Children:
- 2e5aa0c
- Parents:
- 8df0c49
- Location:
- graphics_library
- Files:
-
- 3 edited
Legend:
- Unmodified
- Added
- Removed
-
graphics_library/graphics_library.vcxproj
r8df0c49 r9cbdc9c 67 67 </ItemDefinitionGroup> 68 68 <ItemGroup> 69 <ClCompile Include="common\controls.cpp" /> 70 <ClCompile Include="common\shader.cpp" /> 71 <ClCompile Include="common\texture.cpp" /> 69 72 <ClCompile Include="main.cpp" /> 70 73 </ItemGroup> … … 74 77 <None Include="SimpleVertexShader.vertexshader" /> 75 78 <None Include="SingleColor.fragmentshader" /> 79 <None Include="TextureFragmentShader.fragmentshader" /> 80 <None Include="TransformVertexShader.vertexshader" /> 81 </ItemGroup> 82 <ItemGroup> 83 <ClInclude Include="common\controls.hpp" /> 84 <ClInclude Include="common\shader.hpp" /> 85 <ClInclude Include="common\texture.hpp" /> 76 86 </ItemGroup> 77 87 <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> -
graphics_library/graphics_library.vcxproj.filters
r8df0c49 r9cbdc9c 14 14 <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> 15 15 </Filter> 16 <Filter Include="Header Files\common"> 17 <UniqueIdentifier>{d934654a-a839-48d6-a4a6-a620fcaee36e}</UniqueIdentifier> 18 </Filter> 19 <Filter Include="Source Files\common"> 20 <UniqueIdentifier>{a04b1a63-118b-4076-b6ab-fafdf8011916}</UniqueIdentifier> 21 </Filter> 16 22 </ItemGroup> 17 23 <ItemGroup> 18 24 <ClCompile Include="main.cpp"> 25 <Filter>Source Files</Filter> 26 </ClCompile> 27 <ClCompile Include="common\controls.cpp"> 28 <Filter>Source Files</Filter> 29 </ClCompile> 30 <ClCompile Include="common\shader.cpp"> 31 <Filter>Source Files</Filter> 32 </ClCompile> 33 <ClCompile Include="common\texture.cpp"> 19 34 <Filter>Source Files</Filter> 20 35 </ClCompile> … … 33 48 <Filter>Resource Files</Filter> 34 49 </None> 50 <None Include="TextureFragmentShader.fragmentshader"> 51 <Filter>Resource Files</Filter> 52 </None> 53 <None Include="TransformVertexShader.vertexshader"> 54 <Filter>Resource Files</Filter> 55 </None> 56 </ItemGroup> 57 <ItemGroup> 58 <ClInclude Include="common\controls.hpp"> 59 <Filter>Header Files\common</Filter> 60 </ClInclude> 61 <ClInclude Include="common\shader.hpp"> 62 <Filter>Header Files\common</Filter> 63 </ClInclude> 64 <ClInclude Include="common\texture.hpp"> 65 <Filter>Header Files\common</Filter> 66 </ClInclude> 35 67 </ItemGroup> 36 68 </Project> -
graphics_library/main.cpp
r8df0c49 r9cbdc9c 1 #include <cstdio> 2 #include <cstdlib> 3 #include <string> 4 #include <fstream> 5 #include <vector> 6 #include <algorithm> 7 1 // Include standard headers 2 #include <stdio.h> 3 #include <stdlib.h> 4 5 // Include GLEW 8 6 #include <GL/glew.h> 7 8 // Include GLFW 9 9 #include <GL/glfw.h> 10 10 11 // Include GLM 11 12 #include <glm/glm.hpp> 12 13 #include <glm/gtc/matrix_transform.hpp> 13 14 using namespace glm; 14 15 15 using namespace std; 16 17 /* 18 19 Rendering Pipeline 20 21 All models are defined 22 All vertices in each model are in model space 23 24 Apply the model transformation to each model (based on model position, rotation, and scaling) 25 This results in all vertices being in world space 26 27 Apply the view transformation (based on camera position and rotation) 28 Vertices are in camera coordinates 29 30 Apply the projection matrix (camera lens angle, clipping planes) to turn coordinates into screen coordinates 31 32 */ 33 34 GLuint LoadShaders(const char * vertex_file_path,const char * fragment_file_path); 35 36 int main() { 37 // Initialise GLFW 38 if( !glfwInit() ) 39 { 40 fprintf( stderr, "Failed to initialize GLFW\n" ); 41 return -1; 42 } 43 44 glfwOpenWindowHint(GLFW_FSAA_SAMPLES, 4); 45 glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3); 46 glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 3); 47 glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); 48 49 // Open a window and create its OpenGL context 50 if( !glfwOpenWindow( 1024, 768, 0,0,0,0, 32,0, GLFW_WINDOW ) ) 51 { 52 fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" ); 53 glfwTerminate(); 54 return -1; 55 } 56 57 // Initialize GLEW 58 glewExperimental = true; // Needed for core profile 59 if (glewInit() != GLEW_OK) { 60 fprintf(stderr, "Failed to initialize GLEW\n"); 61 return -1; 62 } 63 64 glfwSetWindowTitle( "Tutorial 02" ); 65 66 // Ensure we can capture the escape key being pressed below 67 glfwEnable( GLFW_STICKY_KEYS ); 68 69 // Dark blue background 70 glClearColor(0.0f, 0.0f, 0.4f, 0.0f); 71 72 // Enable depth test 73 glEnable(GL_DEPTH_TEST); 74 // Accept fragment if it closer to the camera than the former one 75 glDepthFunc(GL_LESS); 76 77 GLuint VertexArrayID; 78 glGenVertexArrays(1, &VertexArrayID); 79 glBindVertexArray(VertexArrayID); 80 81 // Create and compile our GLSL program from the shaders 82 GLuint programID = LoadShaders( "SimpleTransform.vertexshader", "SingleColor.fragmentshader" ); 83 84 // Get a handle for our "MVP" uniform 85 GLuint MatrixID = glGetUniformLocation(programID, "MVP"); 86 87 // Projection matrix : 45° Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units 88 glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.0f); 89 // Or, for an ortho camera : 90 //glm::mat4 Projection = glm::ortho(-10.0f,10.0f,-10.0f,10.0f,0.0f,100.0f); // In world coordinates 16 #include "common/shader.hpp" 17 #include "common/texture.hpp" 18 #include "common/controls.hpp" 19 20 int main( void ) 21 { 22 // Initialise GLFW 23 if( !glfwInit() ) 24 { 25 fprintf( stderr, "Failed to initialize GLFW\n" ); 26 return -1; 27 } 28 29 glfwOpenWindowHint(GLFW_FSAA_SAMPLES, 4); 30 glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3); 31 glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 3); 32 glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); 33 34 // Open a window and create its OpenGL context 35 if( !glfwOpenWindow( 1024, 768, 0,0,0,0, 32,0, GLFW_WINDOW ) ) 36 { 37 fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" ); 38 glfwTerminate(); 39 return -1; 40 } 41 42 // Initialize GLEW 43 glewExperimental = true; // Needed for core profile 44 if (glewInit() != GLEW_OK) { 45 fprintf(stderr, "Failed to initialize GLEW\n"); 46 return -1; 47 } 48 49 glfwSetWindowTitle( "Tutorial 06" ); 50 51 // Ensure we can capture the escape key being pressed below 52 glfwEnable( GLFW_STICKY_KEYS ); 53 glfwSetMousePos(1024/2, 768/2); 54 55 // Dark blue background 56 glClearColor(0.0f, 0.0f, 0.4f, 0.0f); 57 58 // Enable depth test 59 glEnable(GL_DEPTH_TEST); 60 // Accept fragment if it closer to the camera than the former one 61 glDepthFunc(GL_LESS); 62 63 // Cull triangles which normal is not towards the camera 64 glEnable(GL_CULL_FACE); 65 66 GLuint VertexArrayID; 67 glGenVertexArrays(1, &VertexArrayID); 68 glBindVertexArray(VertexArrayID); 69 70 // Create and compile our GLSL program from the shaders 71 GLuint programID = LoadShaders( "TransformVertexShader.vertexshader", "TextureFragmentShader.fragmentshader" ); 72 73 // Get a handle for our "MVP" uniform 74 GLuint MatrixID = glGetUniformLocation(programID, "MVP"); 75 76 // Load the texture 77 GLuint Texture = loadDDS("uvtemplate.DDS"); 91 78 92 // Camera matrix 93 glm::mat4 View = glm::lookAt( 94 glm::vec3(4,3,3), // Camera is at (4,3,3), in World Space 95 glm::vec3(0,0,0), // and looks at the origin 96 glm::vec3(0,1,0) // Head is up (set to 0,-1,0 to look upside-down) 97 ); 98 99 // Model matrix : an identity matrix (model will be at the origin) 100 glm::mat4 Model = glm::mat4(1.0f); 101 // Our ModelViewProjection : multiplication of our 3 matrices 102 glm::mat4 MVP = Projection * View * Model; // Remember, matrix multiplication is the other way around 103 104 // Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle. 105 // A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices 106 static const GLfloat g_vertex_buffer_data[] = { 107 -1.0f,-1.0f,-1.0f, // triangle 1 : begin 108 -1.0f,-1.0f, 1.0f, 109 -1.0f, 1.0f, 1.0f, // triangle 1 : end 110 1.0f, 1.0f,-1.0f, // triangle 2 : begin 111 -1.0f,-1.0f,-1.0f, 112 -1.0f, 1.0f,-1.0f, // triangle 2 : end 113 1.0f,-1.0f, 1.0f, 114 -1.0f,-1.0f,-1.0f, 115 1.0f,-1.0f,-1.0f, 116 1.0f, 1.0f,-1.0f, 117 1.0f,-1.0f,-1.0f, 118 -1.0f,-1.0f,-1.0f, 119 -1.0f,-1.0f,-1.0f, 120 -1.0f, 1.0f, 1.0f, 121 -1.0f, 1.0f,-1.0f, 122 1.0f,-1.0f, 1.0f, 123 -1.0f,-1.0f, 1.0f, 124 -1.0f,-1.0f,-1.0f, 125 -1.0f, 1.0f, 1.0f, 126 -1.0f,-1.0f, 1.0f, 127 1.0f,-1.0f, 1.0f, 128 1.0f, 1.0f, 1.0f, 129 1.0f,-1.0f,-1.0f, 130 1.0f, 1.0f,-1.0f, 131 1.0f,-1.0f,-1.0f, 132 1.0f, 1.0f, 1.0f, 133 1.0f,-1.0f, 1.0f, 134 1.0f, 1.0f, 1.0f, 135 1.0f, 1.0f,-1.0f, 136 -1.0f, 1.0f,-1.0f, 137 1.0f, 1.0f, 1.0f, 138 -1.0f, 1.0f,-1.0f, 139 -1.0f, 1.0f, 1.0f, 140 1.0f, 1.0f, 1.0f, 141 -1.0f, 1.0f, 1.0f, 142 1.0f,-1.0f, 1.0f 143 }; 144 145 GLuint vertexbuffer; 146 glGenBuffers(1, &vertexbuffer); 147 glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer); 148 glBufferData(GL_ARRAY_BUFFER, sizeof(g_vertex_buffer_data), g_vertex_buffer_data, GL_STATIC_DRAW); 149 150 // One color for each vertex. They were generated randomly. 151 static const GLfloat g_color_buffer_data[] = { 152 0.583f, 0.771f, 0.014f, 153 0.609f, 0.115f, 0.436f, 154 0.327f, 0.483f, 0.844f, 155 0.822f, 0.569f, 0.201f, 156 0.435f, 0.602f, 0.223f, 157 0.310f, 0.747f, 0.185f, 158 0.597f, 0.770f, 0.761f, 159 0.559f, 0.436f, 0.730f, 160 0.359f, 0.583f, 0.152f, 161 0.483f, 0.596f, 0.789f, 162 0.559f, 0.861f, 0.639f, 163 0.195f, 0.548f, 0.859f, 164 0.014f, 0.184f, 0.576f, 165 0.771f, 0.328f, 0.970f, 166 0.406f, 0.615f, 0.116f, 167 0.676f, 0.977f, 0.133f, 168 0.971f, 0.572f, 0.833f, 169 0.140f, 0.616f, 0.489f, 170 0.997f, 0.513f, 0.064f, 171 0.945f, 0.719f, 0.592f, 172 0.543f, 0.021f, 0.978f, 173 0.279f, 0.317f, 0.505f, 174 0.167f, 0.620f, 0.077f, 175 0.347f, 0.857f, 0.137f, 176 0.055f, 0.953f, 0.042f, 177 0.714f, 0.505f, 0.345f, 178 0.783f, 0.290f, 0.734f, 179 0.722f, 0.645f, 0.174f, 180 0.302f, 0.455f, 0.848f, 181 0.225f, 0.587f, 0.040f, 182 0.517f, 0.713f, 0.338f, 183 0.053f, 0.959f, 0.120f, 184 0.393f, 0.621f, 0.362f, 185 0.673f, 0.211f, 0.457f, 186 0.820f, 0.883f, 0.371f, 187 0.982f, 0.099f, 0.879f 188 }; 189 190 GLuint colorbuffer; 191 glGenBuffers(1, &colorbuffer); 192 glBindBuffer(GL_ARRAY_BUFFER, colorbuffer); 193 glBufferData(GL_ARRAY_BUFFER, sizeof(g_color_buffer_data), g_color_buffer_data, GL_STATIC_DRAW); 194 195 do{ 196 197 // Clear the screen 198 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 199 200 // Use our shader 201 glUseProgram(programID); 202 203 // Send our transformation to the currently bound shader, 204 // in the "MVP" uniform 205 glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]); 206 207 // 1rst attribute buffer : vertices 208 glEnableVertexAttribArray(0); 209 glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer); 210 glVertexAttribPointer( 211 0, // attribute 0. No particular reason for 0, but must match the layout in the shader. 212 3, // size 213 GL_FLOAT, // type 214 GL_FALSE, // normalized? 215 0, // stride 216 (void*)0 // array buffer offset 217 ); 218 219 // 2nd attribute buffer : colors 220 glEnableVertexAttribArray(1); 221 glBindBuffer(GL_ARRAY_BUFFER, colorbuffer); 222 glVertexAttribPointer( 223 1, // attribute. No particular reason for 1, but must match the layout in the shader. 224 3, // size 225 GL_FLOAT, // type 226 GL_FALSE, // normalized? 227 0, // stride 228 (void*)0 // array buffer offset 229 ); 230 231 // Draw the triangle ! 232 glDrawArrays(GL_TRIANGLES, 0, 12*3); 233 234 glDisableVertexAttribArray(0); 235 236 // Swap buffers 237 glfwSwapBuffers(); 238 239 } // Check if the ESC key was pressed or the window was closed 240 while( glfwGetKey( GLFW_KEY_ESC ) != GLFW_PRESS && 241 glfwGetWindowParam( GLFW_OPENED ) ); 242 243 // Cleanup VBO 244 glDeleteBuffers(1, &vertexbuffer); 245 glDeleteProgram(programID); 246 glDeleteVertexArrays(1, &VertexArrayID); 247 248 // Close OpenGL window and terminate GLFW 249 glfwTerminate(); 250 251 return 0; 79 // Get a handle for our "myTextureSampler" uniform 80 GLuint TextureID = glGetUniformLocation(programID, "myTextureSampler"); 81 82 // Our vertices. Tree consecutive floats give a 3D vertex; Three consecutive vertices give a triangle. 83 // A cube has 6 faces with 2 triangles each, so this makes 6*2=12 triangles, and 12*3 vertices 84 static const GLfloat g_vertex_buffer_data[] = { 85 -1.0f,-1.0f,-1.0f, 86 -1.0f,-1.0f, 1.0f, 87 -1.0f, 1.0f, 1.0f, 88 1.0f, 1.0f,-1.0f, 89 -1.0f,-1.0f,-1.0f, 90 -1.0f, 1.0f,-1.0f, 91 1.0f,-1.0f, 1.0f, 92 -1.0f,-1.0f,-1.0f, 93 1.0f,-1.0f,-1.0f, 94 1.0f, 1.0f,-1.0f, 95 1.0f,-1.0f,-1.0f, 96 -1.0f,-1.0f,-1.0f, 97 -1.0f,-1.0f,-1.0f, 98 -1.0f, 1.0f, 1.0f, 99 -1.0f, 1.0f,-1.0f, 100 1.0f,-1.0f, 1.0f, 101 -1.0f,-1.0f, 1.0f, 102 -1.0f,-1.0f,-1.0f, 103 -1.0f, 1.0f, 1.0f, 104 -1.0f,-1.0f, 1.0f, 105 1.0f,-1.0f, 1.0f, 106 1.0f, 1.0f, 1.0f, 107 1.0f,-1.0f,-1.0f, 108 1.0f, 1.0f,-1.0f, 109 1.0f,-1.0f,-1.0f, 110 1.0f, 1.0f, 1.0f, 111 1.0f,-1.0f, 1.0f, 112 1.0f, 1.0f, 1.0f, 113 1.0f, 1.0f,-1.0f, 114 -1.0f, 1.0f,-1.0f, 115 1.0f, 1.0f, 1.0f, 116 -1.0f, 1.0f,-1.0f, 117 -1.0f, 1.0f, 1.0f, 118 1.0f, 1.0f, 1.0f, 119 -1.0f, 1.0f, 1.0f, 120 1.0f,-1.0f, 1.0f 121 }; 122 123 // Two UV coordinatesfor each vertex. They were created withe Blender. 124 static const GLfloat g_uv_buffer_data[] = { 125 0.000059f, 0.000004f, 126 0.000103f, 0.336048f, 127 0.335973f, 0.335903f, 128 1.000023f, 0.000013f, 129 0.667979f, 0.335851f, 130 0.999958f, 0.336064f, 131 0.667979f, 0.335851f, 132 0.336024f, 0.671877f, 133 0.667969f, 0.671889f, 134 1.000023f, 0.000013f, 135 0.668104f, 0.000013f, 136 0.667979f, 0.335851f, 137 0.000059f, 0.000004f, 138 0.335973f, 0.335903f, 139 0.336098f, 0.000071f, 140 0.667979f, 0.335851f, 141 0.335973f, 0.335903f, 142 0.336024f, 0.671877f, 143 1.000004f, 0.671847f, 144 0.999958f, 0.336064f, 145 0.667979f, 0.335851f, 146 0.668104f, 0.000013f, 147 0.335973f, 0.335903f, 148 0.667979f, 0.335851f, 149 0.335973f, 0.335903f, 150 0.668104f, 0.000013f, 151 0.336098f, 0.000071f, 152 0.000103f, 0.336048f, 153 0.000004f, 0.671870f, 154 0.336024f, 0.671877f, 155 0.000103f, 0.336048f, 156 0.336024f, 0.671877f, 157 0.335973f, 0.335903f, 158 0.667969f, 0.671889f, 159 1.000004f, 0.671847f, 160 0.667979f, 0.335851f 161 }; 162 163 GLuint vertexbuffer; 164 glGenBuffers(1, &vertexbuffer); 165 glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer); 166 glBufferData(GL_ARRAY_BUFFER, sizeof(g_vertex_buffer_data), g_vertex_buffer_data, GL_STATIC_DRAW); 167 168 GLuint uvbuffer; 169 glGenBuffers(1, &uvbuffer); 170 glBindBuffer(GL_ARRAY_BUFFER, uvbuffer); 171 glBufferData(GL_ARRAY_BUFFER, sizeof(g_uv_buffer_data), g_uv_buffer_data, GL_STATIC_DRAW); 172 173 do{ 174 175 // Clear the screen 176 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 177 178 // Use our shader 179 glUseProgram(programID); 180 181 // Compute the MVP matrix from keyboard and mouse input 182 computeMatricesFromInputs(); 183 glm::mat4 ProjectionMatrix = getProjectionMatrix(); 184 glm::mat4 ViewMatrix = getViewMatrix(); 185 glm::mat4 ModelMatrix = glm::mat4(1.0); 186 glm::mat4 MVP = ProjectionMatrix * ViewMatrix * ModelMatrix; 187 188 // Send our transformation to the currently bound shader, 189 // in the "MVP" uniform 190 glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]); 191 192 // Bind our texture in Texture Unit 0 193 glActiveTexture(GL_TEXTURE0); 194 glBindTexture(GL_TEXTURE_2D, Texture); 195 // Set our "myTextureSampler" sampler to user Texture Unit 0 196 glUniform1i(TextureID, 0); 197 198 // 1rst attribute buffer : vertices 199 glEnableVertexAttribArray(0); 200 glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer); 201 glVertexAttribPointer( 202 0, // attribute. No particular reason for 0, but must match the layout in the shader. 203 3, // size 204 GL_FLOAT, // type 205 GL_FALSE, // normalized? 206 0, // stride 207 (void*)0 // array buffer offset 208 ); 209 210 // 2nd attribute buffer : UVs 211 glEnableVertexAttribArray(1); 212 glBindBuffer(GL_ARRAY_BUFFER, uvbuffer); 213 glVertexAttribPointer( 214 1, // attribute. No particular reason for 1, but must match the layout in the shader. 215 2, // size : U+V => 2 216 GL_FLOAT, // type 217 GL_FALSE, // normalized? 218 0, // stride 219 (void*)0 // array buffer offset 220 ); 221 222 // Draw the triangle ! 223 glDrawArrays(GL_TRIANGLES, 0, 12*3); // 12*3 indices starting at 0 -> 12 triangles 224 225 glDisableVertexAttribArray(0); 226 glDisableVertexAttribArray(1); 227 228 // Swap buffers 229 glfwSwapBuffers(); 230 231 } // Check if the ESC key was pressed or the window was closed 232 while( glfwGetKey( GLFW_KEY_ESC ) != GLFW_PRESS && 233 glfwGetWindowParam( GLFW_OPENED ) ); 234 235 // Cleanup VBO and shader 236 glDeleteBuffers(1, &vertexbuffer); 237 glDeleteBuffers(1, &uvbuffer); 238 glDeleteProgram(programID); 239 glDeleteTextures(1, &TextureID); 240 glDeleteVertexArrays(1, &VertexArrayID); 241 242 // Close OpenGL window and terminate GLFW 243 glfwTerminate(); 244 245 return 0; 252 246 } 253 254 GLuint LoadShaders(const char * vertex_file_path,const char * fragment_file_path) {255 256 // Create the shaders257 GLuint VertexShaderID = glCreateShader(GL_VERTEX_SHADER);258 GLuint FragmentShaderID = glCreateShader(GL_FRAGMENT_SHADER);259 260 // Read the Vertex Shader code from the file261 string VertexShaderCode;262 ifstream VertexShaderStream(vertex_file_path, ios::in);263 if(VertexShaderStream.is_open()){264 string Line = "";265 while(getline(VertexShaderStream, Line))266 VertexShaderCode += "\n" + Line;267 VertexShaderStream.close();268 }else {269 printf("Impossible to open %s. Are you in the right directory ? Don't forget to read the FAQ !\n", vertex_file_path);270 getchar();271 return 0;272 }273 274 // Read the Fragment Shader code from the file275 string FragmentShaderCode;276 ifstream FragmentShaderStream(fragment_file_path, ios::in);277 if(FragmentShaderStream.is_open()) {278 string Line = "";279 while(getline(FragmentShaderStream, Line))280 FragmentShaderCode += "\n" + Line;281 FragmentShaderStream.close();282 }283 284 285 286 GLint Result = GL_FALSE;287 int InfoLogLength;288 289 290 291 // Compile Vertex Shader292 printf("Compiling shader : %s\n", vertex_file_path);293 char const * VertexSourcePointer = VertexShaderCode.c_str();294 glShaderSource(VertexShaderID, 1, &VertexSourcePointer , NULL);295 glCompileShader(VertexShaderID);296 297 // Check Vertex Shader298 glGetShaderiv(VertexShaderID, GL_COMPILE_STATUS, &Result);299 glGetShaderiv(VertexShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);300 if ( InfoLogLength > 0 ){301 vector<char> VertexShaderErrorMessage(InfoLogLength+1);302 glGetShaderInfoLog(VertexShaderID, InfoLogLength, NULL, &VertexShaderErrorMessage[0]);303 printf("%s\n", &VertexShaderErrorMessage[0]);304 }305 306 307 308 // Compile Fragment Shader309 printf("Compiling shader : %s\n", fragment_file_path);310 char const * FragmentSourcePointer = FragmentShaderCode.c_str();311 glShaderSource(FragmentShaderID, 1, &FragmentSourcePointer , NULL);312 glCompileShader(FragmentShaderID);313 314 // Check Fragment Shader315 glGetShaderiv(FragmentShaderID, GL_COMPILE_STATUS, &Result);316 glGetShaderiv(FragmentShaderID, GL_INFO_LOG_LENGTH, &InfoLogLength);317 if ( InfoLogLength > 0 ){318 vector<char> FragmentShaderErrorMessage(InfoLogLength+1);319 glGetShaderInfoLog(FragmentShaderID, InfoLogLength, NULL, &FragmentShaderErrorMessage[0]);320 printf("%s\n", &FragmentShaderErrorMessage[0]);321 }322 323 324 325 // Link the program326 printf("Linking program\n");327 GLuint ProgramID = glCreateProgram();328 glAttachShader(ProgramID, VertexShaderID);329 glAttachShader(ProgramID, FragmentShaderID);330 glLinkProgram(ProgramID);331 332 // Check the program333 glGetProgramiv(ProgramID, GL_LINK_STATUS, &Result);334 glGetProgramiv(ProgramID, GL_INFO_LOG_LENGTH, &InfoLogLength);335 if ( InfoLogLength > 0 ){336 vector<char> ProgramErrorMessage(InfoLogLength+1);337 glGetProgramInfoLog(ProgramID, InfoLogLength, NULL, &ProgramErrorMessage[0]);338 printf("%s\n", &ProgramErrorMessage[0]);339 }340 341 glDeleteShader(VertexShaderID);342 glDeleteShader(FragmentShaderID);343 344 return ProgramID;345 }
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