diff options
author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2008-06-16 20:58:12 +0400 |
---|---|---|
committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2008-06-16 20:58:12 +0400 |
commit | 39cecc6044b031366bb9da49d4133641af88c9fb (patch) | |
tree | e6a7aed010aaf344239a7fc207d0e5d66986ea68 /source/blender/gpu | |
parent | 9725cb118686a2922dc56df9f834f85629fb4363 (diff) |
Apricot Branch
==============
Refactoring of the use of opengl extensions and other drawing code
in the game engine, and cleaning up some hacks related to GLSL
integration. These changes will be merged into trunk too after this.
The game engine graphics demos & apricot level survived my tests,
but this could use some good testing of course.
For uses: please test with the options "Generate Display Lists" and
"Vertex Arrays" enabled, these should be the fastest and are supposed
to be "unreliable", but if that's the case that's probably due to bugs
that can be fixed.
* The game engine now also uses GLEW for extensions, replacing the
custom opengl extensions code that was there. This means also that
all extensions will now always be compiled in, regardless of the
glext.h on the platform where compilation happens. Removes a lot
of #ifdef's, but the runtime checks stay of course.
* Removed the WITHOUT_GLEXT environment variable. This was added to
work around a specific bug and only disabled multitexturing anyway.
It might also have caused a slowdown since it was retrieving the
environment variable for every vertex in immediate mode (bug #13680).
* Refactored the code to allow drawing skinned meshes with vertex
arrays too, removing some specific immediate mode drawing functions
for this that only did extra normal calculation. Now it always splits
vertices of flat faces instead.
* Refactored normal recalculation with some minor optimizations,
required for the above change.
* Removed some outdated code behind the __NLA_OLDDEFORM #ifdef.
* Fixed various bugs in setting of multitexture coordinates and vertex
attributes for vertex arrays. These were not being enabled/disabled
correct according to the opengl spec, leading to crashes. Also tangent
attributes used an immediate mode call for vertex arrays, which can't
work.
* Fixed use of uninitialized variable in RAS_TexVert.
* Also in the GLSL shaders, removed conditional returns since some
graphics cards don't support this. And fix a bug with orco's not
being created in textured mode.
Diffstat (limited to 'source/blender/gpu')
-rw-r--r-- | source/blender/gpu/intern/gpu_material.c | 2 | ||||
-rw-r--r-- | source/blender/gpu/intern/material_shaders.glsl | 182 | ||||
-rw-r--r-- | source/blender/gpu/intern/material_shaders.glsl.c | 1159 |
3 files changed, 685 insertions, 658 deletions
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c index 01581026884..21bc9a98545 100644 --- a/source/blender/gpu/intern/gpu_material.c +++ b/source/blender/gpu/intern/gpu_material.c @@ -116,7 +116,7 @@ static void gpu_material_set_attrib_id(GPUMaterial *material) for(a=0, b=0; a<attribs->totlayer; a++) { sprintf(name, "att%d", attribs->layer[a].glindex); attribs->layer[a].glindex = GPU_shader_get_attribute(shader, name); - + if(attribs->layer[a].glindex >= 0) { attribs->layer[b] = attribs->layer[a]; b++; diff --git a/source/blender/gpu/intern/material_shaders.glsl b/source/blender/gpu/intern/material_shaders.glsl index 35f17fb1c72..81ae4ab8205 100644 --- a/source/blender/gpu/intern/material_shaders.glsl +++ b/source/blender/gpu/intern/material_shaders.glsl @@ -699,12 +699,12 @@ void shade_inp_area(vec3 lampco, vec3 lampvec, vec3 vn, mat4 area, float areasiz if(dot(vec, lampvec) < 0.0) { inp = 0.0; - return; } + else { + float intens = area_lamp_energy(area, co, vn); - float intens = area_lamp_energy(area, co, vn); - - inp = pow(intens*areasize, k); + inp = pow(intens*areasize, k); + } } void shade_diffuse_oren_nayer(float nl, vec3 n, vec3 l, vec3 v, float rough, out float is) @@ -714,34 +714,39 @@ void shade_diffuse_oren_nayer(float nl, vec3 n, vec3 l, vec3 v, float rough, out float nv = max(dot(n, v), 0.0); float realnl = dot(n, l); - if(realnl < 0.0) { is = 0.0; return; } - if(nl < 0.0) { is = 0.0; return; } - - float vh = max(dot(v, h), 0.0); - float Lit_A = acos(realnl); - float View_A = acos(nv); + if(realnl < 0.0) { + is = 0.0; + } + else if(nl < 0.0) { + is = 0.0; + } + else { + float vh = max(dot(v, h), 0.0); + float Lit_A = acos(realnl); + float View_A = acos(nv); - vec3 Lit_B = normalize(l - realnl*n); - vec3 View_B = normalize(v - nv*n); + vec3 Lit_B = normalize(l - realnl*n); + vec3 View_B = normalize(v - nv*n); - float t = max(dot(Lit_B, View_B), 0.0); + float t = max(dot(Lit_B, View_B), 0.0); - float a, b; + float a, b; - if(Lit_A > View_A) { - a = Lit_A; - b = View_A; - } - else { - a = View_A; - b = Lit_A; - } + if(Lit_A > View_A) { + a = Lit_A; + b = View_A; + } + else { + a = View_A; + b = Lit_A; + } - float A = 1.0 - (0.5*((rough*rough)/((rough*rough) + 0.33))); - float B = 0.45*((rough*rough)/((rough*rough) + 0.09)); + float A = 1.0 - (0.5*((rough*rough)/((rough*rough) + 0.33))); + float B = 0.45*((rough*rough)/((rough*rough) + 0.09)); - b *= 0.95; - is = nl*(A + (B * t * sin(a) * tan(b))); + b *= 0.95; + is = nl*(A + (B * t * sin(a) * tan(b))); + } } void shade_diffuse_toon(vec3 n, vec3 l, vec3 v, float size, float tsmooth, out float is) @@ -758,32 +763,38 @@ void shade_diffuse_minnaert(float nl, vec3 n, vec3 v, float darkness, out float { if(nl <= 0.0) { is = 0.0; - return; } + else { + float nv = max(dot(n, v), 0.0); - float nv = max(dot(n, v), 0.0); - - if(darkness <= 1.0) - is = nl*pow(max(nv*nl, 0.1), darkness - 1.0); - else - is = nl*pow(1.0001 - nv, darkness - 1.0); + if(darkness <= 1.0) + is = nl*pow(max(nv*nl, 0.1), darkness - 1.0); + else + is = nl*pow(1.0001 - nv, darkness - 1.0); + } } float fresnel_fac(vec3 view, vec3 vn, float grad, float fac) { float t1, t2; + float ffac; - if(fac==0.0) return 1.0; + if(fac==0.0) { + ffac = 1.0; + } + else { + t1= dot(view, vn); + if(t1>0.0) t2= 1.0+t1; + else t2= 1.0-t1; - t1= dot(view, vn); - if(t1>0.0) t2= 1.0+t1; - else t2= 1.0-t1; + t2= grad + (1.0-grad)*pow(t2, fac); - t2= grad + (1.0-grad)*pow(t2, fac); + if(t2<0.0) ffac = 0.0; + else if(t2>1.0) ffac = 1.0; + else ffac = t2; + } - if(t2<0.0) return 0.0; - else if(t2>1.0) return 1.0; - return t2; + return ffac; } void shade_diffuse_fresnel(vec3 vn, vec3 lv, vec3 view, float fac_i, float fac, out float is) @@ -849,51 +860,62 @@ void shade_cooktorr_spec(vec3 n, vec3 l, vec3 v, float hard, out float specfac) if(nh < 0.0) { specfac = 0.0; - return; } + else { + float nv = max(dot(n, v), 0.0); + float i = pow(nh, hard); - float nv = max(dot(n, v), 0.0); - float i = pow(nh, hard); - - i = i/(0.1+nv); - specfac = i; + i = i/(0.1+nv); + specfac = i; + } } void shade_blinn_spec(vec3 n, vec3 l, vec3 v, float refrac, float spec_power, out float specfac) { - if(refrac < 1.0) { specfac = 0.0; return; } - if(spec_power == 0.0) { specfac = 0.0; return; } - - if(spec_power<100.0) - spec_power= sqrt(1.0/spec_power); - else - spec_power= 10.0/spec_power; - - vec3 h = normalize(v + l); - float nh = dot(n, h); - if(nh < 0.0) { specfac = 0.0; return; } - - float nv = max(dot(n, v), 0.01); - float nl = dot(n, l); - if(nl <= 0.01) { specfac = 0.0; return; } - - float vh = max(dot(v, h), 0.01); - - float a = 1.0; - float b = (2.0*nh*nv)/vh; - float c = (2.0*nh*nl)/vh; - - float g; - - if(a < b && a < c) g = a; - else if(b < a && b < c) g = b; - else if(c < a && c < b) g = c; - - float p = sqrt(((refrac * refrac)+(vh*vh)-1.0)); - float f = (((p-vh)*(p-vh))/((p+vh)*(p+vh)))*(1.0+((((vh*(p+vh))-1.0)*((vh*(p+vh))-1.0))/(((vh*(p-vh))+1.0)*((vh*(p-vh))+1.0)))); - float ang = acos(nh); - - specfac = max(f*g*exp((-(ang*ang)/(2.0*spec_power*spec_power))), 0.0); + if(refrac < 1.0) { + specfac = 0.0; + } + else if(spec_power == 0.0) { + specfac = 0.0; + } + else { + if(spec_power<100.0) + spec_power= sqrt(1.0/spec_power); + else + spec_power= 10.0/spec_power; + + vec3 h = normalize(v + l); + float nh = dot(n, h); + if(nh < 0.0) { + specfac = 0.0; + } + else { + float nv = max(dot(n, v), 0.01); + float nl = dot(n, l); + if(nl <= 0.01) { + specfac = 0.0; + } + else { + float vh = max(dot(v, h), 0.01); + + float a = 1.0; + float b = (2.0*nh*nv)/vh; + float c = (2.0*nh*nl)/vh; + + float g; + + if(a < b && a < c) g = a; + else if(b < a && b < c) g = b; + else if(c < a && c < b) g = c; + + float p = sqrt(((refrac * refrac)+(vh*vh)-1.0)); + float f = (((p-vh)*(p-vh))/((p+vh)*(p+vh)))*(1.0+((((vh*(p+vh))-1.0)*((vh*(p+vh))-1.0))/(((vh*(p-vh))+1.0)*((vh*(p-vh))+1.0)))); + float ang = acos(nh); + + specfac = max(f*g*exp((-(ang*ang)/(2.0*spec_power*spec_power))), 0.0); + } + } + } } void shade_wardiso_spec(vec3 n, vec3 l, vec3 v, float rms, out float specfac) diff --git a/source/blender/gpu/intern/material_shaders.glsl.c b/source/blender/gpu/intern/material_shaders.glsl.c index 60bd25a84a0..4e5ceda7b00 100644 --- a/source/blender/gpu/intern/material_shaders.glsl.c +++ b/source/blender/gpu/intern/material_shaders.glsl.c @@ -1,592 +1,597 @@ /* DataToC output of file <material_shaders_glsl> */ -int datatoc_material_shaders_glsl_size= 20694; +int datatoc_material_shaders_glsl_size= 20862; char datatoc_material_shaders_glsl[]= { - 10,118, 97,114,121,105,110,103, 32,118,101, 99, 51, 32,118, 97,114, 99,111, 59, 10,118, - 97,114,121,105,110,103, 32,118,101, 99, 51, 32,118, 97,114, 99, 97,109, 99,111, 59, 10,118, 97,114,121,105,110,103, 32,118,101, - 99, 51, 32,118, 97,114,110,111,114,109, 97,108, 59, 10,117,110,105,102,111,114,109, 32,109, 97,116, 52, 32,117,110,102,111, 98, -109, 97,116, 59, 10,117,110,105,102,111,114,109, 32,109, 97,116, 52, 32,117,110,102,118,105,101,119,109, 97,116, 59, 10, 10, 47, - 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 32, 83, 72, 65, 68, 69, 82, 32, 78, 79, 68, 69, 83, 32, 42, 42, 42, 42, 42, 42, 42, - 42, 42, 42, 42, 42, 42, 42, 42, 47, 10, 10, 35,100,101,102,105,110,101, 32, 77, 95, 80, 73, 32, 51, 46, 49, 52, 49, 53, 57, 50, - 54, 53, 51, 53, 56, 57, 55, 57, 51, 50, 51, 56, 52, 54, 10, 10,118,111,105,100, 32,103,101,111,109, 40,118,101, 99, 51, 32, 97, -116,116,111,114, 99,111, 44, 32,118,101, 99, 50, 32, 97,116,116,117,118, 44, 32,118,101, 99, 52, 32, 97,116,116,118, 99,111,108, - 44, 32,111,117,116, 32,118,101, 99, 51, 32,103,108,111, 98, 97,108, 44, 32,111,117,116, 32,118,101, 99, 51, 32,108,111, 99, 97, -108, 44, 32,111,117,116, 32,118,101, 99, 51, 32,118,105,101,119, 44, 32,111,117,116, 32,118,101, 99, 51, 32,111,114, 99,111, 44, - 32,111,117,116, 32,118,101, 99, 51, 32,117,118, 44, 32,111,117,116, 32,118,101, 99, 51, 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47, 50, 53, 53, 46, 48, 44, 32, 97,116,116,118, 99,111,108, 46,122, 47, - 50, 53, 53, 46, 48, 44, 32, 97,116,116,118, 99,111,108, 46,121, 47, 50, 53, 53, 46, 48, 44, 32, 49, 46, 48, 41, 59, 10, 9,102, -114,111,110,116, 98, 97, 99,107, 32, 61, 32, 49, 46, 48, 59, 10,125, 10, 10,118,111,105,100, 32,109, 97,112,112,105,110,103, 40, -118,101, 99, 51, 32,118,101, 99, 44, 32,109, 97,116, 52, 32,109, 97,116, 44, 32,118,101, 99, 51, 32,109,105,110,118,101, 99, 44, - 32,118,101, 99, 51, 32,109, 97,120,118,101, 99, 44, 32,102,108,111, 97,116, 32,100,111,109,105,110, 44, 32,102,108,111, 97,116, - 32,100,111,109, 97,120, 44, 32,111,117,116, 32,118,101, 99, 51, 32,111,117,116,118,101, 99, 41, 10,123, 10, 9,111,117,116,118, -101, 99, 32, 61, 32, 40,109, 97,116, 32, 42, 32,118,101, 99, 52, 40,118,101, 99, 44, 32, 49, 46, 48, 41, 41, 46,120,121,122, 59, - 10, 9,105,102, 40,100,111,109,105,110, 32, 61, 61, 32, 49, 46, 48, 41, 10, 9, 9,111,117,116,118,101, 99, 32, 61, 32,109, 97, -120, 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