随笔分类 -  ShaderLab

• Unity中的屏幕坐标：ComputeScreenPos/VPOS/WPOS
  摘要：【Unity中的屏幕坐标：ComputeScreenPos/VPOS/WPOS】 1、通过 VPOS / WPOS 语义获取。 VPOS 是 HLSL 中 对 屏幕 坐标 的 语义， 而 WPOS 是 Cg 中 对 屏幕 坐标 的 语义。 上面的Shader，得到的效果如图： VPOS/ WPOS 阅读全文
  posted @ 2018-09-07 17:56 Tekkaman 阅读(3267) 评论(0) 推荐(0)
• 深度和法线纹理
  摘要：【深度和法线纹理】 1、使用深度和法线纹理进行边缘检测，则不会受纹理、光照的影响。 深度纹理的范围是[0, 1]。而NDC坐标下深度范围是[-1,1]。转换公式： d = 0.5*Zndc + 0.5 2、如何在Unity中获取这两种纹理。 Unity中，深度纹理可以直接来自于真正的深度缓存，也可以 阅读全文
  posted @ 2018-04-02 10:51 Tekkaman 阅读(744) 评论(0) 推荐(0)
• GraphicsTier
  摘要：【GraphicsTier】 1、enum GraphicsTier 2、enum ShaderQuality 3、enum BuildTargetGroup 4、EditorGraphicsSettings.SetTierSettings public static void SetTierSet 阅读全文
  posted @ 2018-02-22 13:20 Tekkaman 阅读(312) 评论(0) 推荐(0)
• multi_compile
  摘要：【multi_compile】 Used to compile the shader code multiple times with different preprocessor directives for each case. #pragma multi_compile #pragma sha 阅读全文
  posted @ 2018-02-21 19:48 Tekkaman 阅读(309) 评论(0) 推荐(0)
• Rendering with Replaced Shaders
  摘要：【Rendering with Replaced Shaders】 1、RenderType tag RenderType tag categorizes shaders into several predefined groups, e.g. is is an opaque shader, or 阅读全文
  posted @ 2018-01-01 22:27 Tekkaman 阅读(156) 评论(0) 推荐(0)
• ColorMask
  摘要：【ColorMask】 When using multiple render target (MRT) rendering, it is possible to set up different color masks for each render target, by adding index 阅读全文
  posted @ 2014-11-27 16:17 Tekkaman 阅读(383) 评论(0) 推荐(0)
• ShaderLab内置变量
  摘要：【ShaderLab内置变量】 阅读全文
  posted @ 2014-09-19 16:37 Tekkaman 阅读(218) 评论(0) 推荐(0)
• Lamber算法 & SurfaceShader自定义光照
  摘要：【SurfaceShader自定义光照】1、在pragma中添加自定义光照函数名： #pragma surface surf BasicDiffuse2、实现自定义光照函数。下面就是Lambert光照模型。也是Lambert算法。 _LightColor0是Unity提供的变量。使用该算法的... 阅读全文
  posted @ 2014-09-17 18:23 Tekkaman 阅读(516) 评论(0) 推荐(0)
• CG中的类型
  摘要：【Matrix】 通常像下面这样定义Matrix：int1x1 iMatrix; // integer matrix with 1 row, 1 columnint4x1 iMatrix; // integer matrix with 4 rows, 1 columnint1... 阅读全文
  posted @ 2014-09-05 10:51 Tekkaman 阅读(372) 评论(0) 推荐(0)
• Vertex Modifier of Surface Shader
  摘要：【Vertex Modifier of Surface Shader】 Surface shader compilation directivevertex:functionName 可以用于指定顶点着色器。Afunction that takesinout appdata_fullparamet... 阅读全文
  posted @ 2014-08-02 13:31 Tekkaman 阅读(770) 评论(0) 推荐(0)
• Writing Surface Shaders
  摘要：【Writing Surface Shaders】 Writing shaders that interact with lighting is complex. There are different light types, different shadow options, differen... 阅读全文
  posted @ 2014-08-02 10:37 Tekkaman 阅读(346) 评论(0) 推荐(0)
• GLSL in ShaderLab
  摘要：【Syntax】 However,use of raw GLSL is only recommended for testing, or when you know you will only target Mac OS X or OpenGL ES 2.0 compatible mobile d... 阅读全文
  posted @ 2014-07-30 15:51 Tekkaman 阅读(907) 评论(0) 推荐(0)
• Vertex and fragment programs
  摘要：【Vertex and fragment programs】 When you use vertex and fragment programs (the so called "programmable pipeline"), most of the hardcoded functionality... 阅读全文
  posted @ 2014-07-29 10:32 Tekkaman 阅读(920) 评论(0) 推荐(0)
• Stencil
  摘要：【Stencil】 The stencil buffer can be used as a general purpose per pixel mask for saving or discarding pixels. The stencil buffer is usually an 8 bit... 阅读全文
  posted @ 2014-07-26 14:41 Tekkaman 阅读(1187) 评论(0) 推荐(0)
• Fog
  摘要：【Fog】 Fog parameters are controlled with Fog command. Fogging blends the color of the generated pixels down towards a constant color based on dist... 阅读全文
  posted @ 2014-07-26 14:00 Tekkaman 阅读(335) 评论(0) 推荐(0)
• Blending
  摘要：【Blending】 Blending is used to make transparent objects. When graphics are rendered, after all shaders have executed and all textures have been applie 阅读全文
  posted @ 2014-07-26 13:39 Tekkaman 阅读(378) 评论(0) 推荐(0)
• AlphaTesting
  摘要：【Alpha Testing】 The alpha test is a last chance to reject a pixel from being written to the screen. After the final output color has been calculat... 阅读全文
  posted @ 2014-07-25 21:10 Tekkaman 阅读(420) 评论(0) 推荐(0)
• Culling & Depth Testing
  摘要：【Culling & Depth Testing】 Culling is an optimization that does not render polygons facing away from the viewer. All polygons have a front and a back ... 阅读全文
  posted @ 2014-07-23 19:53 Tekkaman 阅读(268) 评论(0) 推荐(0)
• Pass
  摘要：【Pass】 The Pass block causes the geometry of an object to be rendered once. Pass相当于如下的OpenGL调用序列： 1) glXXX -> ... glXXX -> glDrawElement* ， 这是Pass1 2） 阅读全文
  posted @ 2014-07-23 19:25 Tekkaman 阅读(308) 评论(0) 推荐(0)
• ShaderLab
  摘要：【ShaderLab】 Shader is the root command of a shader file. Each file must define one (and only one) Shader. It specifies how any objects whose material 阅读全文
  posted @ 2014-07-21 21:36 Tekkaman 阅读(675) 评论(0) 推荐(0)