Differential D6287 Diff 19841 source/blender/gpu/shaders/material/gpu_shader_material_tex_image.glsl

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	void node_tex_image_nearest(vec3 co, sampler2D ima, out vec4 color, out float alpha)			void node_tex_image_nearest(vec3 co, sampler2D ima, out vec4 color, out float alpha)
	{			{
	ivec2 pix = ivec2(fract(co.xy) * textureSize(ima, 0).xy);			ivec2 pix = ivec2(fract(co.xy) * textureSize(ima, 0).xy);
	color = safe_color(texelFetch(ima, pix, 0));			color = safe_color(texelFetch(ima, pix, 0));
	alpha = color.a;			alpha = color.a;
	}			}

	/* @arg f: signed distance to texel center. */			/** \param f: Signed distance to texel center. */
	void cubic_bspline_coefs(vec2 f, out vec2 w0, out vec2 w1, out vec2 w2, out vec2 w3)			void cubic_bspline_coefs(vec2 f, out vec2 w0, out vec2 w1, out vec2 w2, out vec2 w3)
	{			{
	vec2 f2 = f * f;			vec2 f2 = f * f;
	vec2 f3 = f2 * f;			vec2 f3 = f2 * f;
	/* Bspline coefs (optimized) */			/* Bspline coefs (optimized) */
	w3 = f3 / 6.0;			w3 = f3 / 6.0;
	w0 = -w3 + f2 * 0.5 - f * 0.5 + 1.0 / 6.0;			w0 = -w3 + f2 * 0.5 - f * 0.5 + 1.0 / 6.0;
	w1 = f3 * 0.5 - f2 * 1.0 + 2.0 / 3.0;			w1 = f3 * 0.5 - f2 * 1.0 + 2.0 / 3.0;
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