fe23d72d69
memory freeing tweeks batch data rearranged a little (to try to reduce memory). RBSP/FBSP fixed. lightstyles now supported. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4059 fc73d0e0-1445-4013-8a0c-d673dee63da5
109 lines
2.5 KiB
GLSL
109 lines
2.5 KiB
GLSL
!!permu OFFSETMAPPING
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!!permu FULLBRIGHT
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!!permu FOG
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!!permu LIGHTSTYLED
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!!cvarf r_glsl_offsetmapping_scale
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//this is what normally draws all of your walls, even with rtlights disabled
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//note that the '286' preset uses drawflat_walls instead.
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#include "sys/fog.h"
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#if defined(OFFSETMAPPING)
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varying vec3 eyevector;
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#endif
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varying vec2 tc;
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#ifdef LIGHTSTYLED
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//we could use an offset, but that would still need to be per-surface which would break batches
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//fixme: merge attributes?
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varying vec2 lm, lm2, lm3, lm4;
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#else
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varying vec2 lm;
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#endif
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#ifdef VERTEX_SHADER
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attribute vec2 v_texcoord;
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attribute vec2 v_lmcoord;
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#ifdef LIGHTSTYLED
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attribute vec2 v_lmcoord2;
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attribute vec2 v_lmcoord3;
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attribute vec2 v_lmcoord4;
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#endif
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#if defined(OFFSETMAPPING)
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uniform vec3 e_eyepos;
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attribute vec3 v_normal;
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attribute vec3 v_svector;
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attribute vec3 v_tvector;
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#endif
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void main ()
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{
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#if defined(OFFSETMAPPING)
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vec3 eyeminusvertex = e_eyepos - v_position.xyz;
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eyevector.x = -dot(eyeminusvertex, v_svector.xyz);
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eyevector.y = dot(eyeminusvertex, v_tvector.xyz);
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eyevector.z = dot(eyeminusvertex, v_normal.xyz);
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#endif
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tc = v_texcoord;
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lm = v_lmcoord;
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#ifdef LIGHTSTYLED
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lm2 = v_lmcoord2;
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lm3 = v_lmcoord3;
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lm4 = v_lmcoord4;
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#endif
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gl_Position = ftetransform();
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}
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#endif
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#ifdef FRAGMENT_SHADER
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//samplers
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uniform sampler2D s_t0;
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uniform sampler2D s_t1;
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#ifdef OFFSETMAPPING
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uniform sampler2D s_t2;
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#endif
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#ifdef FULLBRIGHT
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uniform sampler2D s_t4;
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#endif
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#ifdef LIGHTSTYLED
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uniform sampler2D s_t5;
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uniform sampler2D s_t6;
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uniform sampler2D s_t7;
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#endif
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#ifdef LIGHTSTYLED
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uniform vec4 e_lmscale[4];
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#else
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uniform vec4 e_lmscale;
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#endif
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uniform vec4 e_colourident;
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#ifdef OFFSETMAPPING
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#include "sys/offsetmapping.h"
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#endif
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void main ()
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{
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#ifdef OFFSETMAPPING
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vec2 tcoffsetmap = offsetmap(s_t2, tc, eyevector);
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#define tc tcoffsetmap
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#endif
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gl_FragColor = texture2D(s_t0, tc);
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#ifdef LIGHTSTYLED
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vec4 lightmaps;
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lightmaps = texture2D(s_t1, lm ) * e_lmscale[0];
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lightmaps += texture2D(s_t5, lm2) * e_lmscale[1];
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lightmaps += texture2D(s_t6, lm3) * e_lmscale[2];
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lightmaps += texture2D(s_t7, lm4) * e_lmscale[3];
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gl_FragColor.rgb *= lightmaps.rgb;
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#else
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gl_FragColor.rgb *= (texture2D(s_t1, lm) * e_lmscale).rgb;
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#endif
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#ifdef FULLBRIGHT
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gl_FragColor.rgb += texture2D(s_t4, tc).rgb;
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#endif
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gl_FragColor = gl_FragColor * e_colourident;
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#ifdef FOG
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gl_FragColor = fog4(gl_FragColor);
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#endif
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}
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#endif
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