int *r_shadow_buffer_surfacelist;
rtexturepool_t *r_shadow_texturepool;
-rtexture_t *r_shadow_normalcubetexture;
rtexture_t *r_shadow_attenuation2dtexture;
rtexture_t *r_shadow_attenuation3dtexture;
-rtexture_t *r_shadow_blankwhitecubetexture;
// lights are reloaded when this changes
char r_shadow_mapname[MAX_QPATH];
int i;
// allocate vertex processing arrays
numcubemaps = 0;
- r_shadow_normalcubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_attenuation3dtexture = NULL;
- r_shadow_blankwhitecubetexture = NULL;
r_shadow_texturepool = NULL;
r_shadow_filters_texturepool = NULL;
R_Shadow_ValidateCvars();
}
}
numcubemaps = 0;
- r_shadow_normalcubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_attenuation3dtexture = NULL;
- r_shadow_blankwhitecubetexture = NULL;
R_FreeTexturePool(&r_shadow_texturepool);
R_FreeTexturePool(&r_shadow_filters_texturepool);
maxshadowelements = 0;
static void R_Shadow_MakeTextures(void)
{
- int x, y, z, d, side;
- float v[3], s, t, intensity;
+ int x, y, z, d;
+ float v[3], intensity;
qbyte *data;
R_FreeTexturePool(&r_shadow_texturepool);
r_shadow_texturepool = R_AllocTexturePool();
r_shadow_attenpower = r_shadow_lightattenuationpower.value;
r_shadow_attenscale = r_shadow_lightattenuationscale.value;
-#define NORMSIZE 64
#define ATTEN2DSIZE 64
#define ATTEN3DSIZE 32
- data = Mem_Alloc(tempmempool, max(6*NORMSIZE*NORMSIZE*4, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4)));
- r_shadow_blankwhitecubetexture = NULL;
- r_shadow_normalcubetexture = NULL;
- if (gl_texturecubemap)
- {
- data[ 0] = 255;data[ 1] = 255;data[ 2] = 255;data[ 3] = 255;
- data[ 4] = 255;data[ 5] = 255;data[ 6] = 255;data[ 7] = 255;
- data[ 8] = 255;data[ 9] = 255;data[10] = 255;data[11] = 255;
- data[12] = 255;data[13] = 255;data[14] = 255;data[15] = 255;
- data[16] = 255;data[17] = 255;data[18] = 255;data[19] = 255;
- data[20] = 255;data[21] = 255;data[22] = 255;data[23] = 255;
- r_shadow_blankwhitecubetexture = R_LoadTextureCubeMap(r_shadow_texturepool, "blankwhitecube", 1, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
- for (side = 0;side < 6;side++)
- {
- for (y = 0;y < NORMSIZE;y++)
- {
- for (x = 0;x < NORMSIZE;x++)
- {
- s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
- t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
- switch(side)
- {
- case 0:
- v[0] = 1;
- v[1] = -t;
- v[2] = -s;
- break;
- case 1:
- v[0] = -1;
- v[1] = -t;
- v[2] = s;
- break;
- case 2:
- v[0] = s;
- v[1] = 1;
- v[2] = t;
- break;
- case 3:
- v[0] = s;
- v[1] = -1;
- v[2] = -t;
- break;
- case 4:
- v[0] = s;
- v[1] = -t;
- v[2] = 1;
- break;
- case 5:
- v[0] = -s;
- v[1] = -t;
- v[2] = -1;
- break;
- }
- intensity = 127.0f / sqrt(DotProduct(v, v));
- data[((side*NORMSIZE+y)*NORMSIZE+x)*4+0] = 128.0f + intensity * v[0];
- data[((side*NORMSIZE+y)*NORMSIZE+x)*4+1] = 128.0f + intensity * v[1];
- data[((side*NORMSIZE+y)*NORMSIZE+x)*4+2] = 128.0f + intensity * v[2];
- data[((side*NORMSIZE+y)*NORMSIZE+x)*4+3] = 255;
- }
- }
- }
- r_shadow_normalcubetexture = R_LoadTextureCubeMap(r_shadow_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
- }
+ data = Mem_Alloc(tempmempool, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4));
for (y = 0;y < ATTEN2DSIZE;y++)
{
for (x = 0;x < ATTEN2DSIZE;x++)
// this is changed by every shadow render so its value here is unimportant
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
}
- GL_Clear(GL_STENCIL_BUFFER_BIT);
- c_rt_clears++;
- // LordHavoc note: many shadow volumes reside entirely inside the world
- // (that is to say they are entirely bounded by their lit surfaces),
- // which can be optimized by handling things as an inverted light volume,
- // with the shadow boundaries of the world being simulated by an altered
- // (129) bias to stencil clearing on such lights
- // FIXME: generate inverted light volumes for use as shadow volumes and
- // optimize for them as noted above
}
void R_Shadow_Stage_Light(int shadowtest)
// stencil is 128 (values other than this mean shadow)
qglStencilFunc(GL_EQUAL, 128, ~0);
r_shadowstage = SHADOWSTAGE_LIGHT;
- c_rt_lights++;
}
void R_Shadow_Stage_End(void)
int renders;
float color[3], color2[3], colorscale;
rmeshstate_t m;
+ if (glosstexture && r_shadow_gloss.integer >= 1 && r_shadow_glossintensity.value > 0 && specularscale > 0)
+ specularscale = specularscale * r_shadow_glossintensity.value;
+ else if (!glosstexture && r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0 && r_shadow_glossintensity.value > 0 && specularscale > 0)
+ {
+ glosstexture = r_texture_white;
+ specularscale = specularscale * r_shadow_gloss2intensity.value;
+ }
+ else
+ {
+ glosstexture = r_texture_black;
+ specularscale = 0;
+ }
if (!basetexture)
basetexture = r_texture_white;
if (!bumptexture)
lightcolorpants = vec3_origin;
if (!lightcolorshirt)
lightcolorshirt = vec3_origin;
- specularscale *= r_shadow_glossintensity.value;
- if (!glosstexture)
- {
- if (r_shadow_gloss.integer >= 2)
- {
- glosstexture = r_texture_white;
- specularscale *= r_shadow_gloss2intensity.value;
- }
- else
- {
- glosstexture = r_texture_black;
- specularscale = 0;
- }
- }
- if (r_shadow_gloss.integer < 1)
- specularscale = 0;
- if (!lightcubemap)
- lightcubemap = r_shadow_blankwhitecubetexture;
if ((ambientscale + diffusescale) * (VectorLength2(lightcolorbase) + VectorLength2(lightcolorpants) + VectorLength2(lightcolorshirt)) + specularscale * VectorLength2(lightcolorbase) <= 0.001)
return;
if (visiblelighting)
m.tex[0] = R_GetTexture(bumptexture);
m.texcombinergb[0] = GL_REPLACE;
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin);
m.tex[0] = R_GetTexture(bumptexture);
m.texcombinergb[0] = GL_REPLACE;
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin);
m.tex[0] = R_GetTexture(bumptexture);
m.texcombinergb[0] = GL_REPLACE;
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin);
m.tex[0] = R_GetTexture(bumptexture);
m.texcombinergb[0] = GL_REPLACE;
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin);
m.tex[0] = R_GetTexture(bumptexture);
m.texcombinergb[0] = GL_REPLACE;
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin);
m.pointer_vertex = vertex3f;
m.tex[0] = R_GetTexture(bumptexture);
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin, relativeeyeorigin);
m.pointer_vertex = vertex3f;
m.tex[0] = R_GetTexture(bumptexture);
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin, relativeeyeorigin);
m.pointer_vertex = vertex3f;
m.tex[0] = R_GetTexture(bumptexture);
m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube);
m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * firstvertex, numvertices, vertex3f + 3 * firstvertex, svector3f + 3 * firstvertex, tvector3f + 3 * firstvertex, normal3f + 3 * firstvertex, relativelightorigin, relativeeyeorigin);
if (R_Shadow_ScissorForBBox(cullmins, cullmaxs))
return;
+ c_rt_lights++;
+
shadow = rtlight->shadow && (rtlight->isstatic ? r_rtworldshadows : r_rtdlightshadows);
usestencil = false;
else
{
R_Shadow_Stage_ShadowVolumes();
+ GL_Clear(GL_STENCIL_BUFFER_BIT);
+ c_rt_clears++;
usestencil = true;
}
ent = r_refdef.worldentity;