diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_triangle.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_triangle.h | 61 |
1 files changed, 28 insertions, 33 deletions
diff --git a/intern/cycles/kernel/geom/geom_triangle.h b/intern/cycles/kernel/geom/geom_triangle.h index 995dfac5b09..0c2351e1d1b 100644 --- a/intern/cycles/kernel/geom/geom_triangle.h +++ b/intern/cycles/kernel/geom/geom_triangle.h @@ -27,12 +27,11 @@ CCL_NAMESPACE_BEGIN ccl_device_inline float3 triangle_normal(KernelGlobals *kg, ShaderData *sd) { /* load triangle vertices */ - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); + const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); + const float3 v0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+0)); + const float3 v1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+1)); + const float3 v2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+2)); - float3 v0 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.x))); - float3 v1 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.y))); - float3 v2 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.z))); - /* return normal */ if(ccl_fetch(sd, flag) & SD_NEGATIVE_SCALE_APPLIED) return normalize(cross(v2 - v0, v1 - v0)); @@ -44,11 +43,10 @@ ccl_device_inline float3 triangle_normal(KernelGlobals *kg, ShaderData *sd) ccl_device_inline void triangle_point_normal(KernelGlobals *kg, int object, int prim, float u, float v, float3 *P, float3 *Ng, int *shader) { /* load triangle vertices */ - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); - - float3 v0 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.x))); - float3 v1 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.y))); - float3 v2 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.z))); + const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); + float3 v0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+0)); + float3 v1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+1)); + float3 v2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+2)); /* compute point */ float t = 1.0f - u - v; @@ -71,11 +69,10 @@ ccl_device_inline void triangle_point_normal(KernelGlobals *kg, int object, int ccl_device_inline void triangle_vertices(KernelGlobals *kg, int prim, float3 P[3]) { - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); - - P[0] = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.x))); - P[1] = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.y))); - P[2] = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.z))); + const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); + P[0] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+0)); + P[1] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+1)); + P[2] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+2)); } /* Interpolate smooth vertex normal from vertices */ @@ -83,11 +80,10 @@ ccl_device_inline void triangle_vertices(KernelGlobals *kg, int prim, float3 P[3 ccl_device_inline float3 triangle_smooth_normal(KernelGlobals *kg, int prim, float u, float v) { /* load triangle vertices */ - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); - - float3 n0 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, __float_as_int(tri_vindex.x))); - float3 n1 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, __float_as_int(tri_vindex.y))); - float3 n2 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, __float_as_int(tri_vindex.z))); + const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); + float3 n0 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.x)); + float3 n1 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.y)); + float3 n2 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.z)); return normalize((1.0f - u - v)*n2 + u*n0 + v*n1); } @@ -97,11 +93,10 @@ ccl_device_inline float3 triangle_smooth_normal(KernelGlobals *kg, int prim, flo ccl_device_inline void triangle_dPdudv(KernelGlobals *kg, int prim, ccl_addr_space float3 *dPdu, ccl_addr_space float3 *dPdv) { /* fetch triangle vertex coordinates */ - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); - - float3 p0 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.x))); - float3 p1 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.y))); - float3 p2 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.z))); + const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim); + const float3 p0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+0)); + const float3 p1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+1)); + const float3 p2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w+2)); /* compute derivatives of P w.r.t. uv */ *dPdu = (p0 - p2); @@ -119,11 +114,11 @@ ccl_device float triangle_attribute_float(KernelGlobals *kg, const ShaderData *s return kernel_tex_fetch(__attributes_float, offset + ccl_fetch(sd, prim)); } else if(elem == ATTR_ELEMENT_VERTEX || elem == ATTR_ELEMENT_VERTEX_MOTION) { - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); + uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); - float f0 = kernel_tex_fetch(__attributes_float, offset + __float_as_int(tri_vindex.x)); - float f1 = kernel_tex_fetch(__attributes_float, offset + __float_as_int(tri_vindex.y)); - float f2 = kernel_tex_fetch(__attributes_float, offset + __float_as_int(tri_vindex.z)); + float f0 = kernel_tex_fetch(__attributes_float, offset + tri_vindex.x); + float f1 = kernel_tex_fetch(__attributes_float, offset + tri_vindex.y); + float f2 = kernel_tex_fetch(__attributes_float, offset + tri_vindex.z); #ifdef __RAY_DIFFERENTIALS__ if(dx) *dx = ccl_fetch(sd, du).dx*f0 + ccl_fetch(sd, dv).dx*f1 - (ccl_fetch(sd, du).dx + ccl_fetch(sd, dv).dx)*f2; @@ -162,11 +157,11 @@ ccl_device float3 triangle_attribute_float3(KernelGlobals *kg, const ShaderData return float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + ccl_fetch(sd, prim))); } else if(elem == ATTR_ELEMENT_VERTEX || elem == ATTR_ELEMENT_VERTEX_MOTION) { - float4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); + uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, ccl_fetch(sd, prim)); - float3 f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + __float_as_int(tri_vindex.x))); - float3 f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + __float_as_int(tri_vindex.y))); - float3 f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + __float_as_int(tri_vindex.z))); + float3 f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.x)); + float3 f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.y)); + float3 f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.z)); #ifdef __RAY_DIFFERENTIALS__ if(dx) *dx = ccl_fetch(sd, du).dx*f0 + ccl_fetch(sd, dv).dx*f1 - (ccl_fetch(sd, du).dx + ccl_fetch(sd, dv).dx)*f2; |