Differential D3340 Diff 15268 ps/trunk/binaries/data/mods/public/shaders/glsl/particle.fs

Changeset View

Standalone View

	#version 110			#version 110

				#include "common/fog.h"

	uniform sampler2D baseTex;			uniform sampler2D baseTex;
	uniform sampler2D losTex;			uniform sampler2D losTex;

	varying vec2 v_tex;			varying vec2 v_tex;
	varying vec2 v_los;			varying vec2 v_los;
	varying vec4 v_color;			varying vec4 v_color;

	uniform vec3 sunColor;			uniform vec3 sunColor;
	uniform vec3 fogColor;
	uniform vec2 fogParams;

	vec4 get_fog(vec4 color)
	{
	float density = fogParams.x;
	float maxFog = fogParams.y;

	const float LOG2 = 1.442695;
	float z = gl_FragCoord.z / gl_FragCoord.w;
	float fogFactor = exp2(-density * density * z * z * LOG2);

	fogFactor = fogFactor * (1.0 - maxFog) + maxFog;

	fogFactor = clamp(fogFactor, 0.0, 1.0);

	return vec4(mix(fogColor, color.rgb, fogFactor),color.a);
	}

	void main()			void main()
	{			{
	vec4 color = texture2D(baseTex, v_tex) * vec4((v_color.rgb + sunColor)/2.0,v_color.a);			vec4 color = texture2D(baseTex, v_tex) * vec4((v_color.rgb + sunColor)/2.0,v_color.a);

	float los = texture2D(losTex, v_los).a;			float los = texture2D(losTex, v_los).a;
	los = los < 0.03 ? 0.0 : los;			los = los < 0.03 ? 0.0 : los;
	color.rgb *= los;			color.rgb *= los;

	#if USE_FOG			color.rgb = applyFog(color.rgb);
	color = get_fog(color);
	#endif

	gl_FragColor = color;			gl_FragColor = color;
	}			}