- fixed check for if texture bound image is a valid image object to create texture from

Author: JonnoRobson

scripts/Builders/yyPrimBuilder.js

@@ -133,7 +133,7 @@ function WebGL_draw_primitive_begin_texture_RELEASE(_kind, _tex) {
     // If they've managed to find a path through the code without this texture being bound...
     if (g_PrimTexture && !g_PrimTexture.webgl_textureid) {
         WebGL_BindTexture({texture: g_PrimTexture});
-		if(WebGL_IsTextureImageValid(g_PrimTexture.webgl_textureid)) {
+		if(!WebGL_IsTextureImageValid(g_PrimTexture.webgl_textureid)) {
             yyError("draw_primitive_begin_texture: trying to use an invalid texture");
 			return;
 		}

scripts/Builders/yyVBufferBuilder.js

@@ -385,7 +385,7 @@ function yyVBufferBuilder(_size) {
                 // Check whether the webgl texture has been initialised yet and do so if not
                 if (_texture && !_texture.WebGLTexture.webgl_textureid) {
                     WebGL_BindTexture(_texture.TPE);
-                    if(WebGL_IsTextureImageValid(_texture.WebGLTexture.webgl_textureid)) {
+                    if(!WebGL_IsTextureImageValid(_texture.WebGLTexture.webgl_textureid)) {
                         yyError("vertex_submit: trying to use an invalid texture");
 						return;
 					}
@@ -401,7 +401,7 @@ function yyVBufferBuilder(_size) {
                 // Check whether the webgl texture has been initialised yet and do so if not
                 if (_texture && !_texture.WebGLTexture.webgl_textureid) {
                     WebGL_BindTexture(_texture.TPE);
-                    if(WebGL_IsTextureImageValid(_texture.WebGLTexture.webgl_textureid)) {
+                    if(!WebGL_IsTextureImageValid(_texture.WebGLTexture.webgl_textureid)) {
                         yyError("vertex_submit: trying to use an invalid texture");
 						return;
 					}

scripts/yyWebGL.js

@@ -5048,15 +5048,18 @@ function WebGL_IsTextureValid(_tex, _mipoptions)
 
 function WebGL_IsTextureImageValid(_tex)
 {
-	// check if bound image is a valid object that a texture can be created from	
-	if(_tex.Image == undefined
-		|| _tex.Image == null
-		|| typeof(_tex.Image) == "HTMLUnknownElement"
-	)
+	// check if bound image is a valid object that a texture can be created from
+	if(_tex.Image == undefined || _tex.Image == null)
 	{
 		return false;
 	}
-	return true;
+	
+	if(_tex.Image instanceof HTMLImageElement
+		|| _tex.Image instanceof Uint8Array)
+	{
+		return true;
+	}
+	return false;
 }