fteqw/engine/shaders/glsl/wireframe.glsl
Spoike dadec86338 fix wireframe.
increase xz memory limit
fix fseek/fsize to match definitions.
r_deluxemapping is more aggressive with regards to generating lux files on demand (but won't generate lit data at the same time).
fix webgl shader issues.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5071 fc73d0e0-1445-4013-8a0c-d673dee63da5
2017-03-06 14:06:12 +00:00

118 lines
1.8 KiB
GLSL

!!ver 100 150
!!permu TESS
!!permu FRAMEBLEND
!!permu SKELETAL
!!permu FOG
!!cvardf r_tessellation_level=5
#include "sys/defs.h"
//standard shader used for wireframe stuff.
//must support skeletal and 2-way vertex blending or Bad Things Will Happen.
#ifdef VERTEX_SHADER
#include "sys/skeletal.h"
#ifdef TESS
varying vec3 vertex;
varying vec3 normal;
#endif
void main ()
{
vec3 n, s, t, w;
gl_Position = skeletaltransform_wnst(w,n,s,t);
#ifdef TESS
normal = n;
vertex = w;
#endif
}
#endif
#if defined(TESS_CONTROL_SHADER)
layout(vertices = 3) out;
in vec3 vertex[];
out vec3 t_vertex[];
in vec3 normal[];
out vec3 t_normal[];
void main()
{
//the control shader needs to pass stuff through
#define id gl_InvocationID
t_vertex[id] = vertex[id];
t_normal[id] = normal[id];
gl_TessLevelOuter[0] = float(r_tessellation_level);
gl_TessLevelOuter[1] = float(r_tessellation_level);
gl_TessLevelOuter[2] = float(r_tessellation_level);
gl_TessLevelInner[0] = float(r_tessellation_level);
}
#endif
#if defined(TESS_EVALUATION_SHADER)
layout(triangles) in;
in vec3 t_vertex[];
in vec3 t_normal[];
#define LERP(a) (gl_TessCoord.x*a[0] + gl_TessCoord.y*a[1] + gl_TessCoord.z*a[2])
void main()
{
#define factor 1.0
vec3 w = LERP(t_vertex);
vec3 t0 = w - dot(w-t_vertex[0],t_normal[0])*t_normal[0];
vec3 t1 = w - dot(w-t_vertex[1],t_normal[1])*t_normal[1];
vec3 t2 = w - dot(w-t_vertex[2],t_normal[2])*t_normal[2];
w = w*(1.0-factor) + factor*(gl_TessCoord.x*t0+gl_TessCoord.y*t1+gl_TessCoord.z*t2);
gl_Position = m_modelviewprojection * vec4(w,1.0);
}
#endif
#ifdef FRAGMENT_SHADER
#include "sys/fog.h"
void main ()
{
gl_FragColor = fog4(vec4(1.0) * e_colourident);
}
#endif