if (!r_shadow_scissor.integer)
return false;
// if view is inside the box, just say yes it's visible
- // LordHavoc: for some odd reason scissor seems broken without stencil
- // (?!? seems like a driver bug) so abort if gl_stencil is false
- if (!gl_stencil || BoxesOverlap(r_vieworigin, r_vieworigin, mins, maxs))
+ if (BoxesOverlap(r_vieworigin, r_vieworigin, mins, maxs))
{
GL_Scissor(r_view_x, r_view_y, r_view_width, r_view_height);
return false;
return false;
}
-void R_Shadow_VertexLighting(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const matrix4x4_t *m)
+static void R_Shadow_VertexShadingWithXYZAttenuation(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const matrix4x4_t *m)
{
float *color4f = varray_color4f;
float dist, dot, intensity, v[3], n[3];
if ((dot = DotProduct(n, v)) > 0)
{
dist = sqrt(dist);
- intensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale * dot / sqrt(DotProduct(n,n));
+ intensity = dot / (VectorLength(v) * VectorLength(n));
+ intensity *= pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
VectorScale(lightcolor, intensity, color4f);
color4f[3] = 1;
}
}
}
-void R_Shadow_VertexLightingWithXYAttenuationTexture(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const matrix4x4_t *m)
+static void R_Shadow_VertexShadingWithZAttenuation(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const matrix4x4_t *m)
{
float *color4f = varray_color4f;
float dist, dot, intensity, v[3], n[3];
Matrix4x4_Transform3x3(m, normal3f, n);
if ((dot = DotProduct(n, v)) > 0)
{
- intensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale * dot / sqrt(DotProduct(n,n));
+ intensity = dot / (VectorLength(v) * VectorLength(n));
+ intensity *= pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
VectorScale(lightcolor, intensity, color4f);
color4f[3] = 1;
}
}
}
-// FIXME: this should be done in a vertex program when possible
+static void R_Shadow_VertexShading(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const matrix4x4_t *m)
+{
+ float *color4f = varray_color4f;
+ float dot, intensity, v[3], n[3];
+ for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ Matrix4x4_Transform(m, vertex3f, v);
+ Matrix4x4_Transform3x3(m, normal3f, n);
+ if ((dot = DotProduct(n, v)) > 0)
+ {
+ intensity = dot / (VectorLength(v) * VectorLength(n));
+ VectorScale(lightcolor, intensity, color4f);
+ color4f[3] = 1;
+ }
+ else
+ {
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+}
+
+#define USETEXMATRIX 1
+#ifndef USETEXMATRIX
+// FIXME: this should be done in a texture matrix or vertex program when possible
// FIXME: if vertex program not available, this would really benefit from 3DNow! or SSE
-void R_Shadow_Transform_Vertex3f_TexCoord3f(float *tc3f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
+static void R_Shadow_Transform_Vertex3f_TexCoord3f(float *tc3f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
{
do
{
while (--numverts);
}
-void R_Shadow_Transform_Vertex3f_TexCoord2f(float *tc2f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
+static void R_Shadow_Transform_Vertex3f_TexCoord2f(float *tc2f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
{
do
{
}
while (--numverts);
}
+#endif
-void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin)
+static void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin)
{
int i;
float lightdir[3];
}
}
-void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin)
+static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin)
{
int i;
float lightdir[3], eyedir[3], halfdir[3];
}
}
-#define USETEXMATRIX 1
void R_Shadow_RenderLighting(int numverts, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, const float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *bumptexture, rtexture_t *glosstexture, rtexture_t *lightcubemap, int lighting)
{
int renders;
if (lighting & LIGHTING_DIFFUSE)
{
GL_Color(1,1,1,1);
- // colorscale accounts for how much we multiply the brightness during combine
+ colorscale = r_shadow_lightintensityscale.value;
+ // colorscale accounts for how much we multiply the brightness
+ // during combine.
+ //
// mult is how many times the final pass of the lighting will be
- // performed to get more brightness than otherwise possible
- // limit mult to 64 for sanity sake
+ // performed to get more brightness than otherwise possible.
+ //
+ // Limit mult to 64 for sanity sake.
if (r_shadow_texture3d.integer && r_textureunits.integer >= 4)
{
// 3/2 3D combine path (Geforce3, Radeon 8500)
R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
#endif
}
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, r_shadow_lightintensityscale.value, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
}
else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && lightcubemap)
{
R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
#endif
}
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, r_shadow_lightintensityscale.value, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
}
else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && !lightcubemap)
{
m.pointer_texcoord3f[1] = varray_texcoord3f[1];
R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
#endif
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, r_shadow_lightintensityscale.value, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
}
else if (r_textureunits.integer >= 4)
{
R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
#endif
}
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, r_shadow_lightintensityscale.value, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
}
else
{
R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
#endif
}
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, r_shadow_lightintensityscale.value, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
}
- }
- if ((lighting & LIGHTING_SPECULAR) && (r_shadow_gloss.integer >= 2 || (r_shadow_gloss.integer >= 1 && glosstexture != r_shadow_blankglosstexture)))
- {
- colorscale = r_shadow_glossintensity.value;
- if (glosstexture == r_shadow_blankglosstexture)
- colorscale *= r_shadow_gloss2intensity.value;
- GL_Color(1,1,1,1);
- if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
+ // this final code is shared
+ R_Mesh_State(&m);
+ GL_ColorMask(1,1,1,0);
+ GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
+ VectorScale(lightcolor, colorscale, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
{
- // 2/0/0/1/2 3D combine blendsquare path
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(bumptexture);
- m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
- m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
- R_Mesh_State(&m);
- GL_ColorMask(0,0,0,1);
- // this squares the result
- GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1);
GL_LockArrays(0, numverts);
R_Mesh_Draw(numverts, numtriangles, elements);
GL_LockArrays(0, 0);
c_rt_lightmeshes++;
c_rt_lighttris += numtriangles;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- // square alpha in framebuffer a few times to make it shiny
- GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- GL_LockArrays(0, 0);
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture);
+ }
+ }
+ if ((lighting & LIGHTING_SPECULAR) && (r_shadow_gloss.integer >= 2 || (r_shadow_gloss.integer >= 1 && glosstexture != r_shadow_blankglosstexture)))
+ {
+ // FIXME: detect blendsquare!
+ //if (gl_support_blendsquare)
+ {
+ colorscale = r_shadow_lightintensityscale.value * r_shadow_glossintensity.value;
+ if (glosstexture == r_shadow_blankglosstexture)
+ colorscale *= r_shadow_gloss2intensity.value;
+ GL_Color(1,1,1,1);
+ if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
+ {
+ // 2/0/0/1/2 3D combine blendsquare path
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_State(&m);
+ GL_ColorMask(0,0,0,1);
+ // this squares the result
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_LockArrays(0, numverts);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ GL_LockArrays(0, 0);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ R_Mesh_State(&m);
+ GL_LockArrays(0, numverts);
+ // square alpha in framebuffer a few times to make it shiny
+ GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ GL_LockArrays(0, 0);
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture);
#if USETEXMATRIX
- m.pointer_texcoord3f[0] = vertex3f;
- m.texmatrix[0] = *matrix_modeltoattenuationxyz;
+ m.pointer_texcoord3f[0] = vertex3f;
+ m.texmatrix[0] = *matrix_modeltoattenuationxyz;
#else
- m.pointer_texcoord3f[0] = varray_texcoord3f[0];
- R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ m.pointer_texcoord3f[0] = varray_texcoord3f[0];
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
#endif
- R_Mesh_State(&m);
- GL_BlendFunc(GL_DST_ALPHA, GL_ZERO);
- GL_LockArrays(0, numverts);
- R_Mesh_Draw(numverts, numtriangles, elements);
- GL_LockArrays(0, 0);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(glosstexture);
- m.pointer_texcoord[0] = texcoord2f;
- if (lightcubemap)
- {
- m.texcubemap[1] = R_GetTexture(lightcubemap);
+ R_Mesh_State(&m);
+ GL_BlendFunc(GL_DST_ALPHA, GL_ZERO);
+ GL_LockArrays(0, numverts);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ GL_LockArrays(0, 0);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ if (lightcubemap)
+ {
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
#if USETEXMATRIX
- m.pointer_texcoord3f[1] = vertex3f;
- m.texmatrix[1] = *matrix_modeltolight;
+ m.pointer_texcoord3f[1] = vertex3f;
+ m.texmatrix[1] = *matrix_modeltolight;
#else
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
#endif
+ }
}
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, colorscale, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && !lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
{
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
+ // 2/0/0/2 3D combine blendsquare path
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_State(&m);
+ GL_ColorMask(0,0,0,1);
+ // this squares the result
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_LockArrays(0, numverts);
R_Mesh_Draw(numverts, numtriangles, elements);
+ GL_LockArrays(0, 0);
c_rt_lightmeshes++;
c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
- }
- else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && !lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
- {
- // 2/0/0/2 3D combine blendsquare path
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(bumptexture);
- m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
- m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
- R_Mesh_State(&m);
- GL_ColorMask(0,0,0,1);
- // this squares the result
- GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
- GL_LockArrays(0, numverts);
- R_Mesh_Draw(numverts, numtriangles, elements);
- GL_LockArrays(0, 0);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- // square alpha in framebuffer a few times to make it shiny
- GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- GL_LockArrays(0, 0);
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(glosstexture);
- m.pointer_texcoord[0] = texcoord2f;
- m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture);
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ R_Mesh_State(&m);
+ GL_LockArrays(0, numverts);
+ // square alpha in framebuffer a few times to make it shiny
+ GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ GL_LockArrays(0, 0);
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture);
#if USETEXMATRIX
- m.pointer_texcoord3f[1] = vertex3f;
- m.texmatrix[1] = *matrix_modeltoattenuationxyz;
+ m.pointer_texcoord3f[1] = vertex3f;
+ m.texmatrix[1] = *matrix_modeltoattenuationxyz;
#else
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
#endif
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, colorscale, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ }
+ else
{
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
+ // 2/0/0/2/2 2D combine blendsquare path
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_State(&m);
+ GL_ColorMask(0,0,0,1);
+ // this squares the result
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_LockArrays(0, numverts);
R_Mesh_Draw(numverts, numtriangles, elements);
+ GL_LockArrays(0, 0);
c_rt_lightmeshes++;
c_rt_lighttris += numtriangles;
- }
- GL_LockArrays(0, 0);
- }
- else if (r_textureunits.integer >= 2 /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
- {
- // 2/0/0/2/2 2D combine blendsquare path
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(bumptexture);
- m.pointer_texcoord[0] = texcoord2f;
- m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
- m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
- R_Mesh_State(&m);
- GL_ColorMask(0,0,0,1);
- // this squares the result
- GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO);
- GL_LockArrays(0, numverts);
- R_Mesh_Draw(numverts, numtriangles, elements);
- GL_LockArrays(0, 0);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- // square alpha in framebuffer a few times to make it shiny
- GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- R_Mesh_Draw(numverts, numtriangles, elements);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
- GL_LockArrays(0, 0);
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture);
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ R_Mesh_State(&m);
+ GL_LockArrays(0, numverts);
+ // square alpha in framebuffer a few times to make it shiny
+ GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ GL_LockArrays(0, 0);
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture);
#if USETEXMATRIX
- m.pointer_texcoord3f[0] = vertex3f;
- m.texmatrix[0] = *matrix_modeltoattenuationxyz;
+ m.pointer_texcoord3f[0] = vertex3f;
+ m.texmatrix[0] = *matrix_modeltoattenuationxyz;
#else
- m.pointer_texcoord[0] = varray_texcoord2f[0];
- R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ m.pointer_texcoord[0] = varray_texcoord2f[0];
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
#endif
- m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
-#if USETEXMATRIX
- m.pointer_texcoord3f[1] = vertex3f;
- m.texmatrix[1] = *matrix_modeltoattenuationz;
-#else
- m.pointer_texcoord[1] = varray_texcoord2f[1];
- R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationz);
-#endif
- R_Mesh_State(&m);
- GL_BlendFunc(GL_DST_ALPHA, GL_ZERO);
- GL_LockArrays(0, numverts);
- R_Mesh_Draw(numverts, numtriangles, elements);
- GL_LockArrays(0, 0);
- c_rt_lightmeshes++;
- c_rt_lighttris += numtriangles;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.tex[0] = R_GetTexture(glosstexture);
- m.pointer_texcoord[0] = texcoord2f;
- if (lightcubemap)
- {
- m.texcubemap[1] = R_GetTexture(lightcubemap);
+ m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
#if USETEXMATRIX
m.pointer_texcoord3f[1] = vertex3f;
- m.texmatrix[1] = *matrix_modeltolight;
+ m.texmatrix[1] = *matrix_modeltoattenuationz;
#else
- m.pointer_texcoord3f[1] = varray_texcoord3f[1];
- R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
+ m.pointer_texcoord[1] = varray_texcoord2f[1];
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationz);
#endif
- }
- R_Mesh_State(&m);
- GL_LockArrays(0, numverts);
- GL_ColorMask(1,1,1,0);
- GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
- VectorScale(lightcolor, colorscale, color2);
- for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
- {
- color[0] = bound(0, color2[0], 1);
- color[1] = bound(0, color2[1], 1);
- color[2] = bound(0, color2[2], 1);
- GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_State(&m);
+ GL_BlendFunc(GL_DST_ALPHA, GL_ZERO);
+ GL_LockArrays(0, numverts);
R_Mesh_Draw(numverts, numtriangles, elements);
+ GL_LockArrays(0, 0);
c_rt_lightmeshes++;
c_rt_lighttris += numtriangles;
+
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = vertex3f;
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.pointer_texcoord[0] = texcoord2f;
+ if (lightcubemap)
+ {
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+#if USETEXMATRIX
+ m.pointer_texcoord3f[1] = vertex3f;
+ m.texmatrix[1] = *matrix_modeltolight;
+#else
+ m.pointer_texcoord3f[1] = varray_texcoord3f[1];
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltolight);
+#endif
+ }
}
- GL_LockArrays(0, 0);
}
+ R_Mesh_State(&m);
+ GL_ColorMask(1,1,1,0);
+ GL_BlendFunc(GL_DST_ALPHA, GL_ONE);
+ VectorScale(lightcolor, colorscale, color2);
+ GL_LockArrays(0, numverts);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ GL_LockArrays(0, 0);
}
}
else
m.pointer_texcoord[1] = varray_texcoord2f[1];
R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
#endif
+ if (r_textureunits.integer >= 3)
+ {
+ // Geforce3/Radeon class but not using dot3
+ m.tex[2] = R_GetTexture(r_shadow_attenuation2dtexture);
+#if USETEXMATRIX
+ m.pointer_texcoord3f[2] = vertex3f;
+ m.texmatrix[2] = *matrix_modeltoattenuationz;
+#else
+ m.pointer_texcoord[2] = varray_texcoord2f[2];
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[2], numverts, vertex3f, matrix_modeltoattenuationz);
+#endif
+ }
}
R_Mesh_State(&m);
for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
color[0] = bound(0, color2[0], 1);
color[1] = bound(0, color2[1], 1);
color[2] = bound(0, color2[2], 1);
- if (r_textureunits.integer >= 2)
- R_Shadow_VertexLightingWithXYAttenuationTexture(numverts, vertex3f, normal3f, color, matrix_modeltolight);
+ if (r_textureunits.integer >= 3)
+ R_Shadow_VertexShading(numverts, vertex3f, normal3f, color, matrix_modeltolight);
+ else if (r_textureunits.integer >= 2)
+ R_Shadow_VertexShadingWithZAttenuation(numverts, vertex3f, normal3f, color, matrix_modeltolight);
else
- R_Shadow_VertexLighting(numverts, vertex3f, normal3f, color, matrix_modeltolight);
+ R_Shadow_VertexShadingWithXYZAttenuation(numverts, vertex3f, normal3f, color, matrix_modeltolight);
GL_LockArrays(0, numverts);
R_Mesh_Draw(numverts, numtriangles, elements);
GL_LockArrays(0, 0);
projects / xonotic / darkplaces.git / commitdiff