Difference between revisions of "ShaderCompile"

Latest revision as of 12:33, 19 May 2023

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-==shaderCompile==
+#REDIRECT [[Global Command: shaderCompile]]
-<div class="command-min-version-info">Available since: <span class="command-min-version">v4.0</span></div>
-<div class="command-doc">Compile shader</div>
-Lua Syntax:
-<pre class="command-syntax">shaderCompile(vsh, fsh)</pre>
-===Arguments===
-====vsh====
-:'''"string"''' - vertex shader
-====fsh====
-:'''"string"''' - fragment shader
-===Flags===
-===Return Values===
-None.
-===Examples===
-Example 1: minimal shader
-<syntaxhighlight>
-shader = {_temporary_=0, num = shaderCompile([[#ifdef GL_ES
-precision lowp float;
-precision lowp int;
-#endif
-varying vec2 texcoord;
-uniform mat4 mvp_mat;
-attribute vec2 position;
-attribute vec2 uv;
-uniform int pass;
-void main ()
-{
-  gl_Position = mvp_mat * vec4(position.x,position.y,0.0,1.0);
-  texcoord = uv;
-}]],[[#ifdef GL_ES
-precision highp float;
-precision lowp  int;
-#endif
-uniform sampler2D composite;
-uniform int pass;
-varying vec2 texcoord;
-void main() {
-  gl_FragColor = texture2D(composite, texcoord.st);
-}
-]])}
-shaderSetOptions("active",shader.num)
-</syntaxhighlight>