WebGLRenderer: Disable usage of SRGB8_ALPHA8. (#22759)

* WebGLRenderer: Disable usage of SRGB8_ALPHA8 .

* Update screenshot.

* Clean up.

src/extras/PMREMGenerator.js

@@ -10,7 +10,6 @@ import {
 	RGBDEncoding,
 	RGBEEncoding,
 	RGBEFormat,
-	RGBAFormat,
 	RGBM16Encoding,
 	RGBM7Encoding,
 	UnsignedByteType,
@@ -350,7 +349,7 @@ class PMREMGenerator {
 
 	_setEncoding( uniform, texture ) {
 
-		if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {
+		/* if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {
 
 			uniform.value = ENCODINGS[ LinearEncoding ];
 
@@ -358,7 +357,9 @@ class PMREMGenerator {
 
 			uniform.value = ENCODINGS[ texture.encoding ];
 
-		}
+		} */
+
+		uniform.value = ENCODINGS[ texture.encoding ];
 
 	}
 

src/renderers/webgl/WebGLPrograms.js

@@ -1,4 +1,4 @@
-import { BackSide, DoubleSide, CubeUVRefractionMapping, CubeUVReflectionMapping, LinearEncoding, sRGBEncoding, ObjectSpaceNormalMap, TangentSpaceNormalMap, NoToneMapping, RGBAFormat, UnsignedByteType } from '../../constants.js';
+import { BackSide, DoubleSide, CubeUVRefractionMapping, CubeUVReflectionMapping, LinearEncoding, ObjectSpaceNormalMap, TangentSpaceNormalMap, NoToneMapping } from '../../constants.js';
 import { WebGLProgram } from './WebGLProgram.js';
 import { ShaderLib } from '../shaders/ShaderLib.js';
 import { UniformsUtils } from '../shaders/UniformsUtils.js';
@@ -108,11 +108,11 @@ function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities
 
 		}
 
-		if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {
+		/* if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {
 
 			encoding = LinearEncoding; // disable inline decode for sRGB textures in WebGL 2
 
-		}
+		} */
 
 		return encoding;
 

src/renderers/webgl/WebGLTextures.js

@@ -1,4 +1,4 @@
-import { LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, RGBFormat, RGBAFormat, DepthFormat, DepthStencilFormat, UnsignedShortType, UnsignedIntType, UnsignedInt248Type, FloatType, HalfFloatType, MirroredRepeatWrapping, ClampToEdgeWrapping, RepeatWrapping, sRGBEncoding } from '../../constants.js';
+import { LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, RGBFormat, RGBAFormat, DepthFormat, DepthStencilFormat, UnsignedShortType, UnsignedIntType, UnsignedInt248Type, FloatType, HalfFloatType, MirroredRepeatWrapping, ClampToEdgeWrapping, RepeatWrapping } from '../../constants.js';
 import * as MathUtils from '../../math/MathUtils.js';
 import { createElementNS } from '../../utils.js';
 
@@ -128,7 +128,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 	}
 
-	function getInternalFormat( internalFormatName, glFormat, glType, encoding ) {
+	function getInternalFormat( internalFormatName, glFormat, glType/*, encoding*/ ) {
 
 		if ( isWebGL2 === false ) return glFormat;
 
@@ -162,7 +162,9 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 			if ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F;
 			if ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F;
-			if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( encoding === sRGBEncoding ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
+			//if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( encoding === sRGBEncoding ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;
+			if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8;
+
 
 		}