From 9b83919815f6a6ce5d73da1c28483970d0ca5589 Mon Sep 17 00:00:00 2001 From: unknown Date: Wed, 3 Feb 2021 14:22:28 -0600 Subject: added dev/MinGfx/ --- .../docs/html/default__shader_8h_source.html | 240 +++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 dev/MinGfx/docs/html/default__shader_8h_source.html (limited to 'dev/MinGfx/docs/html/default__shader_8h_source.html') diff --git a/dev/MinGfx/docs/html/default__shader_8h_source.html b/dev/MinGfx/docs/html/default__shader_8h_source.html new file mode 100644 index 0000000..374116c --- /dev/null +++ b/dev/MinGfx/docs/html/default__shader_8h_source.html @@ -0,0 +1,240 @@ + + + + + + + +MinGfx Toolkit: src/default_shader.h Source File + + + + + + + + + + + + +
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MinGfx Toolkit +  1.0 +
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A minimal library for writing cross-platform (Windows, OSX, linux) graphics programs.
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+
default_shader.h
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+Go to the documentation of this file.
1 /*
+
2  This file is part of the MinGfx Project.
+
3 
+
4  Copyright (c) 2017,2018 Regents of the University of Minnesota.
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5  All Rights Reserved.
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6 
+
7  Original Author(s) of this File:
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8  Dan Keefe, 2018, University of Minnesota
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9 
+
10  Author(s) of Significant Updates/Modifications to the File:
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11  ...
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12  */
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13 
+
14 #ifndef SRC_DEFAULT_SHADER_H_
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15 #define SRC_DEFAULT_SHADER_H_
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16 
+
17 #include "color.h"
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18 #include "point3.h"
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19 #include "shader_program.h"
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20 #include "texture2d.h"
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21 #include "vector3.h"
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22 #include "matrix4.h"
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23 #include "mesh.h"
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24 
+
25 
+
26 
+
27 namespace mingfx {
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28 
+
62 class DefaultShader {
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63 public:
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64 
+
66  static const unsigned int MAX_LIGHTS = 10;
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67 
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68 
+
70  class MaterialProperties {
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71  public:
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72  Color ambient_reflectance;
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73  Color diffuse_reflectance;
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74  Color specular_reflectance;
+
75  float shinniness;
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76  Texture2D surface_texture;
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77  // eventually, this might include a normal map, etc.
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78 
+
79  // defaults
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80  MaterialProperties() :
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81  ambient_reflectance(0.25f, 0.25f, 0.25f),
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82  diffuse_reflectance(0.6f, 0.6f, 0.6f),
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83  specular_reflectance(0.4f, 0.4f, 0.4f),
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84  shinniness(20.0f) {}
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85  };
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86 
+
88  class LightProperties {
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89  public:
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90  Point3 position;
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91  Color ambient_intensity;
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92  Color diffuse_intensity;
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93  Color specular_intensity;
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94 
+
95  // defaults
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96  LightProperties() :
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97  position(10.0f, 10.0f, 10.0f),
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98  ambient_intensity(0.25f, 0.25f, 0.25f),
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99  diffuse_intensity(0.6f, 0.6f, 0.6f),
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100  specular_intensity(0.6f, 0.6f, 0.6f) {}
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101  };
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102 
+
106  DefaultShader(bool add_default_light=true);
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107 
+
108  virtual ~DefaultShader();
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109 
+
112  void AddLight(LightProperties light);
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113 
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115  void SetLight(int i, LightProperties light);
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116 
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117 
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124  void Init();
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125 
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130  void Draw(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection,
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131  Mesh *mesh, const MaterialProperties &material);
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132 
+
133 
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138  void UseProgram(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection,
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139  const MaterialProperties &material);
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140 
+
143  void StopProgram();
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144 
+
145 
+
146  int num_lights();
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147 
+
148  LightProperties light(int i);
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149 
+
150 
+
151 private:
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152 
+
153  std::vector<LightProperties> lights_;
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154 
+
155  // cached raw float arrays store data to send directly to the gpu
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156  // GLSL requires fixed size arrays for these
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157  float lightPositions_[3*MAX_LIGHTS];
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158  float lightIas_[4*MAX_LIGHTS];
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159  float lightIds_[4*MAX_LIGHTS];
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160  float lightIss_[4*MAX_LIGHTS];
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161  void update_light_arrays();
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162 
+
163  ShaderProgram phongShader_;
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164 };
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165 
+
166 } // end namespace
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167 
+
168 #endif
+
mingfx::Color
Represents a 4-component (R,G,B,A) color, stored internally in a float array to be compatable with Op...
Definition: color.h:41
+
mingfx::DefaultShader::LightProperties
Small data structure to hold per-light properties.
Definition: default_shader.h:88
+ + + + + +
mingfx::DefaultShader::MaterialProperties
Small data structure to hold properties of the material to be lit.
Definition: default_shader.h:70
+ + + + + + +
mingfx::DefaultShader
A simple GLSL shader for textured per-fragment Phong shading with multiple light sources.
Definition: default_shader.h:62
+
mingfx::DefaultShader::UseProgram
void UseProgram(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection, const MaterialProperties &material)
Only needed if you do not want to draw a Mesh. This does all of the same setup for drawing that the D...
+ +
mingfx::DefaultShader::MAX_LIGHTS
static const unsigned int MAX_LIGHTS
If changed, this needs to also be changed in the glsl shader code.
Definition: default_shader.h:66
+
mingfx::DefaultShader::StopProgram
void StopProgram()
Only needed if you do not want to draw a Mesh. Call this after UseProgram() and after drawing your ge...
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mingfx::DefaultShader::SetLight
void SetLight(int i, LightProperties light)
Changes the properties for a light that was already added.
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mingfx::DefaultShader::Init
void Init()
This loads vertex and fragment shaders from files, compiles them, and links them. So,...
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mingfx::DefaultShader::Draw
void Draw(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection, Mesh *mesh, const MaterialProperties &material)
This starts the shader and sets its uniform variables based upon the current set of lights,...
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mingfx::DefaultShader::light
LightProperties light(int i)
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mingfx::DefaultShader::DefaultShader
DefaultShader(bool add_default_light=true)
The constructor defaults to adding a single white light to the scene at (10,10,10)....
+ +
mingfx::DefaultShader::AddLight
void AddLight(LightProperties light)
Multiple lights are supported, this adds one to the end of the list. Up to MAX_LIGHTS can be added.
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mingfx::Matrix4
A 4x4 transformation matrix stored internally as an array of floats in column-major order so as to be...
Definition: matrix4.h:50
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mingfx::Mesh
A triangle mesh data structure that can be rendered with a ShaderProgram like DefaultShader.
Definition: mesh.h:127
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mingfx::Point3
A 3D Point with floating point coordinates, used for storing vertices and all sorts of other 3D graph...
Definition: point3.h:52
+
mingfx::ShaderProgram
A wrapper around GLSL shader programs.
Definition: shader_program.h:66
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mingfx::Texture2D
A wrapper around a 2D texture that supports loading images from files or setting texture color data d...
Definition: texture2d.h:42
+ + + +
mingfx
Namespace for the MinGfx Toolkit.
Definition: aabb.h:21
+ +
shader_program.h
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+ + +
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