gabry/CodenameEngine
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Backwards compatibility with older vertex shaders (#477)

Browse Source 
* add backwards compatibility with older vertex shaders

* add todo comment for fixing comments in shaders
This commit is contained in:
TheZoroForce240
2024-12-07 22:34:18 +01:00
committed by GitHub
parent 83cf69b477
commit 3297befda2
1 changed files with 37 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/funkin/backend/shaders/FunkinShader.hx
+37 -1
View File
@@ -192,7 +192,11 @@ class FunkinShader extends FlxShader implements IHScriptCustomBehaviour {
if(value == null)
value = ShaderTemplates.defaultVertexSource;
glRawVertexSource = value;
value = value.replace("#pragma header", ShaderTemplates.vertHeader).replace("#pragma body", ShaderTemplates.vertBody);
var useBackCompat:Bool = true;
for (regex in ShaderTemplates.vertBackCompatVarList) if (!regex.match(value)) useBackCompat = false;
value = value.replace("#pragma header", useBackCompat ? ShaderTemplates.vertHeaderBackCompat : ShaderTemplates.vertHeader).replace("#pragma body", useBackCompat ? ShaderTemplates.vertBodyBackCompat : ShaderTemplates.vertBody);
if (value != __glVertexSource)
{
__glSourceDirty = true;
@@ -625,6 +629,38 @@ if(hasColorTransform) {
gl_Position = openfl_Matrix * openfl_Position;";
// TODO: make this ignore comments
public static final vertBackCompatVarList:Array<EReg> = [
~/attribute float alpha/,
~/attribute vec4 colorMultiplier/,
~/attribute vec4 colorOffset/,
~/uniform bool hasColorTransform/
];
public static final vertHeaderBackCompat:String = "attribute float openfl_Alpha;
attribute vec4 openfl_ColorMultiplier;
attribute vec4 openfl_ColorOffset;
attribute vec4 openfl_Position;
attribute vec2 openfl_TextureCoord;
varying float openfl_Alphav;
varying vec4 openfl_ColorMultiplierv;
varying vec4 openfl_ColorOffsetv;
varying vec2 openfl_TextureCoordv;
uniform mat4 openfl_Matrix;
uniform bool openfl_HasColorTransform;
uniform vec2 openfl_TextureSize;";
public static final vertBodyBackCompat:String = "openfl_Alphav = openfl_Alpha;
openfl_TextureCoordv = openfl_TextureCoord;
if(openfl_HasColorTransform) {
openfl_ColorMultiplierv = openfl_ColorMultiplier;
openfl_ColorOffsetv = openfl_ColorOffset / 255.0;
}
gl_Position = openfl_Matrix * openfl_Position;";
public static final defaultVertexSource:String = "#pragma header