Differential D4638 Diff 15980 source/blender/draw/modes/shaders/paint_texture_frag.glsl

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	#ifdef TEXTURE_PAINT_MASK			#ifdef TEXTURE_PAINT_MASK
	uniform sampler2D maskingImage;			uniform sampler2D maskingImage;
	uniform bool maskingImagePremultiplied;			uniform bool maskingImagePremultiplied;
	uniform vec3 maskingColor;			uniform vec3 maskingColor;
	uniform bool maskingInvertStencil;			uniform bool maskingInvertStencil;
	#endif			#endif

	float linearrgb_to_srgb(float c)
	{
	if (c < 0.0031308) {
	return (c < 0.0) ? 0.0 : c * 12.92;
	}
	else {
	return 1.055 * pow(c, 1.0 / 2.4) - 0.055;
	}
	}

	vec4 texture_read_as_srgb(sampler2D tex, bool premultiplied, vec2 co)
	{
	/* By convention image textures return scene linear colors, but
	* overlays still assume srgb. */
	vec4 color = texture(tex, co);
	/* Unpremultiply if stored multiplied, since straight alpha is expected by shaders. */
	if (premultiplied && !(color.a == 0.0 \|\| color.a == 1.0)) {
	color.rgb = color.rgb / color.a;
	}
	color.r = linearrgb_to_srgb(color.r);
	color.g = linearrgb_to_srgb(color.g);
	color.b = linearrgb_to_srgb(color.b);
	return color;
	}

	void main()			void main()
	{			{
	vec2 uv = uv_interp;			vec2 uv = uv_interp;
	if (nearestInterp) {			if (nearestInterp) {
	vec2 tex_size = vec2(textureSize(image, 0).xy);			vec2 tex_size = vec2(textureSize(image, 0).xy);
	uv = (floor(uv_interp * tex_size) + 0.5) / tex_size;			uv = (floor(uv_interp * tex_size) + 0.5) / tex_size;
	}			}

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