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fteqw/engine/shaders/glsl/defaultskin.glsl
Spoike 49ae9573b8 reworked clipboard handling to avoid stalls when pasting in linux. 
made a load of functions static (just code style stuff).
downloads menu now deselects any autoselected items, to avoid confusion.
csqc traces can now hit networked ents. I probably need to make some more tweaks to this.
arg completion for flocate+dir+modelviewer commands.
fix autosave not cycling saves when using the vanilla save format.
fix patch collisions with q3bsp submodels.
md3 now supports framegroups too.
added some more buttons to make xonotic happy.
gl_polyblend 2 shows the screen flashes at the edge of the screen instead of the middle.
colormod no longer applies to fullbrights (matching DP). this fixes an issue with xonotic.
fix uninitialised local that was causing issues with bones used as tags.
rewrote qc search_* to use a dynamic array instead of a linked list. this should make it faster to read when there's many handles open at a time.
fte's saved games can now save buffers properly.
fix issue with raster freetype fonts (read: coloured emoji).
initial support for struct-based classes (instead of entity-based classes). still has issues.
execing configs in untrusted packages will no longer run out of sync (fixing a number of afterquake issues).
fix stupid bug with the te_gunshot/etc builtins.


git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5317 fc73d0e0-1445-4013-8a0c-d673dee63da5
2018-10-11 10:31:23 +00:00

285 lines
7.1 KiB
GLSL
Raw Blame History

!!ver 100 150
!!permu TESS
!!permu FULLBRIGHT
!!permu UPPERLOWER
!!permu FRAMEBLEND
!!permu SKELETAL
!!permu FOG
!!permu BUMP
!!permu REFLECTCUBEMASK
!!cvarf r_glsl_offsetmapping_scale
!!cvarf gl_specular
!!cvardf gl_affinemodels=0
!!cvardf r_tessellation_level=5
!!samps diffuse normalmap specular fullbright upper lower paletted reflectmask reflectcube
#include "sys/defs.h"
//standard shader used for models.
//must support skeletal and 2-way vertex blending or Bad Things Will Happen.
//the vertex shader is responsible for calculating lighting values.
#if gl_affinemodels==1 && __VERSION__ >= 130
#define affine noperspective
#else
#define affine
#endif
#ifdef VERTEX_SHADER
#include "sys/skeletal.h"
affine varying vec2 tc;
varying vec3 light;
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
varying vec3 eyevector;
#endif
#ifdef REFLECTCUBEMASK
varying mat3 invsurface;
#endif
#ifdef TESS
varying vec3 vertex;
varying vec3 normal;
#endif
void main ()
{
vec3 n, s, t, w;
gl_Position = skeletaltransform_wnst(w,n,s,t);
#if defined(SPECULAR)||defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
vec3 eyeminusvertex = e_eyepos - w.xyz;
eyevector.x = dot(eyeminusvertex, s.xyz);
eyevector.y = dot(eyeminusvertex, t.xyz);
eyevector.z = dot(eyeminusvertex, n.xyz);
#endif
#ifdef REFLECTCUBEMASK
invsurface[0] = s;
invsurface[1] = t;
invsurface[2] = n;
#endif
tc = v_texcoord;
float d = dot(n,e_light_dir);
if (d < 0.0) //vertex shader. this might get ugly, but I don't really want to make it per vertex.
d = 0.0; //this avoids the dark side going below the ambient level.
light = e_light_ambient + (d*e_light_mul);
//FIXME: Software rendering imitation should possibly push out normals by half a pixel or something to approximate software's over-estimation of distant model sizes (small models are drawn using JUST their verticies using the nearest pixel, which results in larger meshes)
#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[];
affine in vec2 tc[];
affine out vec2 t_tc[];
in vec3 light[];
out vec3 t_light[];
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
in vec3 eyevector[];
out vec3 t_eyevector[];
#endif
#ifdef REFLECTCUBEMASK
in mat3 invsurface[];
out mat3 t_invsurface[];
#endif
void main()
{
//the control shader needs to pass stuff through
#define id gl_InvocationID
t_vertex[id] = vertex[id];
t_normal[id] = normal[id];
t_tc[id] = tc[id];
t_light[id] = light[id];
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
t_eyevector[id] = eyevector[id];
#endif
#ifdef REFLECTCUBEMASK
t_invsurface[id][0] = invsurface[id][0];
t_invsurface[id][1] = invsurface[id][1];
t_invsurface[id][2] = invsurface[id][2];
#endif
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[];
affine in vec2 t_tc[];
affine out vec2 tc;
in vec3 t_light[];
out vec3 light;
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
in vec3 t_eyevector[];
out vec3 eyevector;
#endif
#ifdef REFLECTCUBEMASK
in mat3 t_invsurface[];
out mat3 invsurface;
#endif
#define LERP(a) (gl_TessCoord.x*a[0] + gl_TessCoord.y*a[1] + gl_TessCoord.z*a[2])
void main()
{
#define factor 1.0
tc = LERP(t_tc);
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);
//FIXME: we should be recalcing these here, instead of just lerping them
light = LERP(t_light);
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
eyevector = LERP(t_eyevector);
#endif
#ifdef REFLECTCUBEMASK
invsurface[0] = LERP(t_invsurface[0]);
invsurface[1] = LERP(t_invsurface[1]);
invsurface[2] = LERP(t_invsurface[2]);
#endif
gl_Position = m_modelviewprojection * vec4(w,1.0);
}
#endif
#ifdef FRAGMENT_SHADER
#include "sys/fog.h"
#if defined(SPECULAR)
uniform float cvar_gl_specular;
#endif
#ifdef OFFSETMAPPING
#include "sys/offsetmapping.h"
#endif
#ifdef EIGHTBIT
#define s_colourmap s_t0
uniform sampler2D s_colourmap;
#endif
affine varying vec2 tc;
varying vec3 light;
#if defined(SPECULAR) || defined(OFFSETMAPPING) || defined(REFLECTCUBEMASK)
varying vec3 eyevector;
#endif
#ifdef REFLECTCUBEMASK
varying mat3 invsurface;
#endif
void main ()
{
vec4 col, sp;
#ifdef OFFSETMAPPING
vec2 tcoffsetmap = offsetmap(s_normalmap, tc, eyevector);
#define tc tcoffsetmap
#endif
#ifdef EIGHTBIT
vec3 lightlev = light;
//FIXME: with this extra flag, half the permutations are redundant.
lightlev *= 0.5; //counter the fact that the colourmap contains overbright values and logically ranges from 0 to 2 intead of to 1.
float pal = texture2D(s_paletted, tc).r; //the palette index. hopefully not interpolated.
// lightlev -= 1.0 / 128.0; //software rendering appears to round down, so make sure we favour the lower values instead of rounding to the nearest
col.r = texture2D(s_colourmap, vec2(pal, 1.0-lightlev.r)).r; //do 3 lookups. this is to cope with lit files, would be a waste to not support those.
col.g = texture2D(s_colourmap, vec2(pal, 1.0-lightlev.g)).g; //its not very softwarey, but re-palettizing is ugly.
col.b = texture2D(s_colourmap, vec2(pal, 1.0-lightlev.b)).b; //without lits, it should be identical.
col.a = (pal<1.0)?1.0:0.0;
#else
col = texture2D(s_diffuse, tc);
#ifdef UPPER
vec4 uc = texture2D(s_upper, tc);
col.rgb += uc.rgb*e_uppercolour*uc.a;
#endif
#ifdef LOWER
vec4 lc = texture2D(s_lower, tc);
col.rgb += lc.rgb*e_lowercolour*lc.a;
#endif
#if defined(BUMP) && defined(SPECULAR)
vec3 bumps = normalize(vec3(texture2D(s_normalmap, tc)) - 0.5);
vec4 specs = texture2D(s_specular, tc);
vec3 halfdir = normalize(normalize(eyevector) + e_light_dir);
float spec = pow(max(dot(halfdir, bumps), 0.0), FTE_SPECULAR_EXPONENT * specs.a);
col.rgb += FTE_SPECULAR_MULTIPLIER * spec * specs.rgb;
#elif defined(REFLECTCUBEMASK)
vec3 bumps = vec3(0, 0, 1);
#endif
#ifdef REFLECTCUBEMASK
vec3 rtc = reflect(-eyevector, bumps);
rtc = rtc.x*invsurface[0] + rtc.y*invsurface[1] + rtc.z*invsurface[2];
rtc = (m_model * vec4(rtc.xyz,0.0)).xyz;
col.rgb += texture2D(s_reflectmask, tc).rgb * textureCube(s_reflectcube, rtc).rgb;
#endif
col.rgb *= light;
col *= e_colourident;
#ifdef FULLBRIGHT
vec4 fb = texture2D(s_fullbright, tc);
// col.rgb = mix(col.rgb, fb.rgb, fb.a);
col.rgb += fb.rgb * fb.a * e_glowmod.rgb;
#endif
#endif
gl_FragColor = fog4(col);
}
#endif
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