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GLSL: Minor work to support dynamic shadows or something.

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This commit is contained in:
Marco Cawthorne 2020-04-02 22:40:27 +02:00
parent 24f2d9d824
commit 9e9765d02e
2 changed files with 31 additions and 5 deletions
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23
valve/data.pk3dir/glsl/defaultskin.glsl
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@ -8,6 +8,10 @@
!!cvardf gl_halflambert=1 !!cvardf gl_halflambert=1
!!cvardf gl_mono=0 !!cvardf gl_mono=0
!!permu FAKESHADOWS
!!cvardf r_glsl_pcf
!!samps =FAKESHADOWS shadowmap
#include "sys/defs.h" #include "sys/defs.h"
#if gl_affinemodels == 1 #if gl_affinemodels == 1
@ -21,6 +25,10 @@ varying vec3 eyevector;
varying mat3 invsurface; varying mat3 invsurface;
#endif #endif
#ifdef FAKESHADOWS
varying vec4 vtexprojcoord;
#endif
affine varying vec2 tex_c; affine varying vec2 tex_c;
varying vec3 light; varying vec3 light;
@ -62,6 +70,8 @@ varying vec3 light;
light = e_light_ambient + (e_light_mul * lambert(n, e_light_dir)); light = e_light_ambient + (e_light_mul * lambert(n, e_light_dir));
} }
light *= e_lmscale.r;
if (gl_ldr == 1.0) { if (gl_ldr == 1.0) {
light *= 0.75; light *= 0.75;
} }
@ -70,9 +80,9 @@ varying vec3 light;
vec3 viewc = normalize(rorg - w); vec3 viewc = normalize(rorg - w);
float d = dot(n, viewc); float d = dot(n, viewc);
vec3 reflected; vec3 reflected;
reflected.x = n.x * 2 * d - viewc.x; reflected.x = n.x * 2.0 * d - viewc.x;
reflected.y = n.y * 2 * d - viewc.y; reflected.y = n.y * 2.0 * d - viewc.y;
reflected.z = n.z * 2 * d - viewc.z; reflected.z = n.z * 2.0 * d - viewc.z;
tex_c.x = 0.5 + reflected.y * 0.5; tex_c.x = 0.5 + reflected.y * 0.5;
tex_c.y = 0.5 - reflected.z * 0.5; tex_c.y = 0.5 - reflected.z * 0.5;
#endif #endif
@ -91,10 +101,11 @@ varying vec3 light;
#ifdef FRAGMENT_SHADER #ifdef FRAGMENT_SHADER
#include "sys/pcf.h"
void main () void main ()
{ {
vec4 diffuse_f = texture2D(s_diffuse, tex_c); vec4 diffuse_f = texture2D(s_diffuse, tex_c);
diffuse_f.rgb *= light * e_lmscale; diffuse_f.rgb *= light;
#ifdef REFLECTCUBE #ifdef REFLECTCUBE
vec3 cube_c; vec3 cube_c;
@ -113,7 +124,9 @@ varying vec3 light;
float bw = (diffuse_f.r + diffuse_f.g + diffuse_f.b) / 3.0; float bw = (diffuse_f.r + diffuse_f.g + diffuse_f.b) / 3.0;
diffuse_f.rgb = vec3(bw, bw, bw); diffuse_f.rgb = vec3(bw, bw, bw);
} }
#ifdef FAKESHADOWS
diffuse_f.rgb *= ShadowmapFilter(s_shadowmap, vtexprojcoord);
#endif
gl_FragColor = diffuse_f; gl_FragColor = diffuse_f;
} }
#endif #endif

13
valve/data.pk3dir/glsl/defaultwall.glsl
View file

@ -2,6 +2,10 @@
!!permu LIGHTSTYLED !!permu LIGHTSTYLED
!!samps diffuse reflectcube normalmap !!samps diffuse reflectcube normalmap
!!permu FAKESHADOWS
!!cvardf r_glsl_pcf
!!samps =FAKESHADOWS shadowmap
!!samps lightmap !!samps lightmap
!!samps =LIGHTSTYLED lightmap1 lightmap2 lightmap3 !!samps =LIGHTSTYLED lightmap1 lightmap2 lightmap3
!!cvardf gl_mono=0 !!cvardf gl_mono=0
@ -20,6 +24,10 @@ varying vec3 eyevector;
varying mat3 invsurface; varying mat3 invsurface;
#endif #endif
#ifdef FAKESHADOWS
varying vec4 vtexprojcoord;
#endif
#ifdef VERTEX_SHADER #ifdef VERTEX_SHADER
void lightmapped_init(void) void lightmapped_init(void)
{ {
@ -50,6 +58,7 @@ varying mat3 invsurface;
#endif #endif
#ifdef FRAGMENT_SHADER #ifdef FRAGMENT_SHADER
#include "sys/pcf.h"
vec3 lightmap_fragment(void) vec3 lightmap_fragment(void)
{ {
@ -110,6 +119,10 @@ varying mat3 invsurface;
diffuse_f.rgb = vec3(bw, bw, bw); diffuse_f.rgb = vec3(bw, bw, bw);
} }
#ifdef FAKESHADOWS
diffuse_f.rgb *= ShadowmapFilter(s_shadowmap, vtexprojcoord);
#endif
gl_FragColor = diffuse_f; gl_FragColor = diffuse_f;
} }