Merge pull request #9101 from RandomShaper/filtered-texscreen-2.1

Add option for filtered texscreen (2.1)

drivers/gles2/rasterizer_gles2.cpp

@@ -9871,10 +9871,13 @@ void RasterizerGLES2::_update_framebuffer() {
 	glGenTextures(1, &framebuffer.sample_color);
 	glBindTexture(GL_TEXTURE_2D, framebuffer.sample_color);
 	glTexImage2D(GL_TEXTURE_2D, 0, format_rgba, framebuffer.width, framebuffer.height, 0, format_internal, format_type, NULL);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	if (bool(GLOBAL_DEF("rasterizer/texscreen_filtered", false))) {
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	} else {
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	}
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, framebuffer.sample_color, 0);