Updated raylib generic uber shader and custom shaders (markdown)

raylib-generic-uber-shader-and-custom-shaders.md

@@ -45,22 +45,33 @@ typedef enum {
 #define SHADER_LOC_MAP_SPECULAR     SHADER_LOC_MAP_METALNESS
 ```
 
-When loading a shader, raylib tries to bind by default the following **vertex shader** attributes:
+When loading a shader, raylib tries to find some default attributes and uniforms locations:
 ```c
-// Default shader vertex attribute names to set location points
-#define DEFAULT_SHADER_ATTRIB_NAME_POSITION    "vertexPosition"    // Bound by default to shader location: 0
-#define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD    "vertexTexCoord"    // Bound by default to shader location: 1
-#define DEFAULT_SHADER_ATTRIB_NAME_NORMAL      "vertexNormal"      // Bound by default to shader location: 2
-#define DEFAULT_SHADER_ATTRIB_NAME_COLOR       "vertexColor"       // Bound by default to shader location: 3
-#define DEFAULT_SHADER_ATTRIB_NAME_TANGENT     "vertexTangent"     // Bound by default to shader location: 4
-#define DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2   "vertexTexCoord2"   // Bound by default to shader location: 5
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION     "vertexPosition"    // Binded by default to shader location: 0
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD     "vertexTexCoord"    // Binded by default to shader location: 1
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL       "vertexNormal"      // Binded by default to shader location: 2
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR        "vertexColor"       // Binded by default to shader location: 3
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT      "vertexTangent"     // Binded by default to shader location: 4
+#define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2    "vertexTexCoord2"   // Binded by default to shader location: 5
+
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_MVP         "mvp"               // model-view-projection matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW        "matView"           // view matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION  "matProjection"     // projection matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_MODEL       "matModel"          // model matrix
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL      "matNormal"         // normal matrix (transpose(inverse(matModelView))
+#define RL_DEFAULT_SHADER_UNIFORM_NAME_COLOR       "colDiffuse"        // color diffuse (base tint color, multiplied by texture color)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0  "texture0"          // texture0 (texture slot active 0)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1  "texture1"          // texture1 (texture slot active 1)
+#define RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2  "texture2"          // texture2 (texture slot active 2)
 ```
 
-And also the following uniform location names are checked:
+The uniform locations belong to VertesShader or FragmentShader:
 ```glsl
 uniform mat4 mvp;             // VS: ModelViewProjection matrix
-uniform mat4 projection;      // VS: Projection matrix
-uniform mat4 view;            // VS: View matrix
+uniform mat4 matView;         // VS: View matrix
+uniform mat4 matProjection;   // VS: Projection matrix
+uniform mat4 matModel;        // VS: Model matrix
+uniform mat4 matNormal;       // VS: Normal matrix
 
 uniform vec4 colDiffuse;      // FS: Diffuse color
 uniform sampler2D texture0;   // FS: GL_TEXTURE0