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some tuning

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This commit is contained in:
evghenii
2014-02-20 14:38:25 +01:00
parent e20a8f7534
commit 94c0104ffa
1 changed files with 7 additions and 9 deletions
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16
examples/portable/aobench/ao.ispc
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@@ -89,7 +89,7 @@ static inline void vnormalize(vec &v) {
__inline __inline
static void static void
ray_plane_intersect(Isect &isect, Ray &ray, const uniform Plane &plane) { ray_plane_intersect(Isect &isect, Ray &ray, const Plane &plane) {
float d = -dot(plane.p, plane.n); float d = -dot(plane.p, plane.n);
float v = dot(ray.dir, plane.n); float v = dot(ray.dir, plane.n);
@@ -121,7 +121,7 @@ ray_plane_intersect(Isect &isect, Ray &ray, const uniform Plane &plane) {
static inline void static inline void
ray_sphere_intersect(Isect &isect, Ray &ray, const uniform Sphere &sphere) { ray_sphere_intersect(Isect &isect, Ray &ray, const Sphere &sphere) {
vec rs = ray.org - sphere.center; vec rs = ray.org - sphere.center;
float B = dot(rs, ray.dir); float B = dot(rs, ray.dir);
@@ -182,7 +182,7 @@ orthoBasis(vec basis[3], vec n) {
__inline __inline
static float static float
ambient_occlusion(Isect &isect, const uniform Plane &plane, const uniform Sphere spheres[3], ambient_occlusion(Isect &isect, const Plane &plane, const Sphere spheres[3],
RNGState &rngstate) { RNGState &rngstate) {
float eps = 0.0001f; float eps = 0.0001f;
vec p, n; vec p, n;
@@ -238,8 +238,8 @@ static inline void ao_tiles(
uniform int nsubsamples, uniform int nsubsamples,
uniform float image[]) uniform float image[])
{ {
const uniform Plane plane = { { 0.0f, -0.5f, 0.0f }, { 0.f, 1.f, 0.f } }; const Plane plane = { { 0.0f, -0.5f, 0.0f }, { 0.f, 1.f, 0.f } };
const uniform Sphere spheres[3] = { const Sphere spheres[3] = {
{ { -2.0f, 0.0f, -3.5f }, 0.5f }, { { -2.0f, 0.0f, -3.5f }, 0.5f },
{ { -0.5f, 0.0f, -3.0f }, 0.5f }, { { -0.5f, 0.0f, -3.0f }, 0.5f },
{ { 1.0f, 0.0f, -2.2f }, 0.5f } }; { { 1.0f, 0.0f, -2.2f }, 0.5f } };
@@ -281,8 +281,8 @@ static inline void ao_tiles(
// Note use of 'coherent' if statement; the set of rays we // Note use of 'coherent' if statement; the set of rays we
// trace will often all hit or all miss the scene // trace will often all hit or all miss the scene
#if 0 #if 0
if (isect.hit) { cif (isect.hit) {
ret = ambient_occlusion(isect, plane, spheres, rngstate); ret = ambient_occlusion(isect, plane, spheres, rngstate);
ret *= invSamples * invSamples; ret *= invSamples * invSamples;
res += ret; res += ret;
@@ -294,8 +294,6 @@ static inline void ao_tiles(
ret *= invSamples * invSamples; ret *= invSamples * invSamples;
res += ret; res += ret;
} }
#endif #endif
} }