68 lines
1.3 KiB
GLSL
68 lines
1.3 KiB
GLSL
/**
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* @file alphaF.glsl
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* $/LicenseInfo$
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*/
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#extension GL_ARB_texture_rectangle : enable
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uniform sampler2DRect depthMap;
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uniform sampler2D diffuseMap;
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uniform mat4 shadow_matrix[6];
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uniform vec4 shadow_clip;
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uniform vec2 screen_res;
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vec3 atmosLighting(vec3 light);
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vec3 scaleSoftClip(vec3 light);
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varying vec3 vary_ambient;
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varying vec3 vary_directional;
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varying vec3 vary_fragcoord;
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varying vec3 vary_position;
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varying vec3 vary_pointlight_col;
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uniform mat4 inv_proj;
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vec4 getPosition(vec2 pos_screen)
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{
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float depth = texture2DRect(depthMap, pos_screen.xy).a;
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vec2 sc = pos_screen.xy*2.0;
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sc /= screen_res;
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sc -= vec2(1.0,1.0);
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vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
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vec4 pos = inv_proj * ndc;
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pos /= pos.w;
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pos.w = 1.0;
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return pos;
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}
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void main()
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{
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vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
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frag *= screen_res;
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vec4 pos = vec4(vary_position, 1.0);
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vec4 diff= texture2D(diffuseMap,gl_TexCoord[0].xy);
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vec4 col = vec4(vary_ambient + vary_directional.rgb, gl_Color.a);
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vec4 color = diff * col;
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color.rgb = atmosLighting(color.rgb);
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color.rgb = scaleSoftClip(color.rgb);
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color.rgb += diff.rgb * vary_pointlight_col.rgb;
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gl_FragColor = color;
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//gl_FragColor = vec4(1,0,1,1);
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//gl_FragColor = vec4(1,0,1,1)*shadow;
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}
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