WebGL and Computer Graphics

  1. Introduction to WebGL
    1. WebGL Fundamentals
      1. Definition and Purpose
        1. Web-based Graphics API
          1. Hardware Acceleration
          2. WebGL Relationship to OpenGL
            1. OpenGL ES Foundation
              1. API Similarities
                1. Key Differences
                2. GPU Role in WebGL
                  1. Hardware Acceleration Benefits
                    1. Parallel Processing
                      1. Browser Integration
                      2. WebGL vs. Alternative Technologies
                        1. Canvas 2D API
                          1. Capabilities and Limitations
                            1. Use Cases
                            2. SVG Graphics
                              1. Vector vs. Raster
                                1. Performance Considerations
                                2. CSS 3D Transforms
                                  1. Limited 3D Capabilities
                              2. Environment Setup
                                1. HTML Canvas Element
                                  1. Canvas Creation
                                    1. Canvas Attributes
                                      1. Width and Height
                                        1. CSS Styling
                                        2. Canvas Sizing Considerations
                                          1. Display Size vs. Drawing Buffer Size
                                            1. Device Pixel Ratio
                                          2. WebGL Context Creation
                                            1. Getting WebGL Context
                                              1. Context Type Selection
                                              2. Context Attributes
                                                1. Alpha Channel
                                                  1. Depth Buffer
                                                    1. Stencil Buffer
                                                      1. Antialiasing
                                                        1. Premultiplied Alpha
                                                      2. Browser Support and Fallbacks
                                                        1. Feature Detection
                                                          1. Context Availability Check
                                                          2. Error Handling
                                                            1. Context Creation Failures
                                                            2. Fallback Strategies
                                                              1. Alternative Rendering Methods
                                                          3. First WebGL Program
                                                            1. Canvas Preparation
                                                              1. Clearing the Canvas
                                                                1. Clear Color Setting
                                                                  1. Buffer Clearing
                                                                    1. Color Buffer
                                                                      1. Depth Buffer
                                                                    2. Basic Geometry Definition
                                                                      1. Vertex Data Arrays
                                                                        1. Position Data
                                                                          1. Data Organization
                                                                          2. Buffer Creation and Management
                                                                            1. Buffer Object Creation
                                                                              1. Data Upload
                                                                            2. Shader Creation
                                                                              1. Vertex Shader Source
                                                                                1. Basic Vertex Processing
                                                                                2. Fragment Shader Source
                                                                                  1. Basic Color Output
                                                                                  2. Shader Compilation Process
                                                                                    1. Source Code Compilation
                                                                                      1. Error Checking
                                                                                    2. Shader Program Setup
                                                                                      1. Program Object Creation
                                                                                        1. Shader Attachment
                                                                                          1. Program Linking
                                                                                            1. Program Usage
                                                                                            2. Rendering Loop
                                                                                              1. Animation Frame Requests
                                                                                                1. Scene Updates
                                                                                                  1. Redraw Operations

                                                                                              Previous

                                                                                              1. Fundamentals of Computer Graphics

                                                                                              Go to top

                                                                                              Next

                                                                                              3. WebGL Rendering Pipeline