maszyna/shaders/grass.frag

// grass of the heightmap terrain (opengl46_grass, grass.vert): the blades lit like the rest of the scene

in vec3 f_normal;
in vec4 f_pos;
in vec3 f_albedo;
in vec4 f_clip_pos;
in vec4 f_clip_future_pos;

#include <common>

layout(location = 0) out vec4 out_color;
#if MOTIONBLUR_ENABLED
layout(location = 1) out vec4 out_motion;
#endif

#include <light_common.glsl>
#include <apply_fog.glsl>
#include <tonemapping.glsl>

void main()
{
	vec3 fragnormal = normalize(f_normal);
	glossiness = 6.0;
	metalic = 0.0;
	vec3 fragcolor = apply_lights(ambient, fragnormal, f_albedo, 0.0, 0.2, shadow_tone);

	vec4 color = vec4(apply_fog(fragcolor), 1.0);
#if POSTFX_ENABLED
	out_color = color;
#else
	out_color = tonemap(color);
#endif
#if MOTIONBLUR_ENABLED
	{
		vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;
		vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;

		out_motion = vec4(a - b, 0.0f, 0.0f);
	}
#endif
}