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Differential D2230 Diff 7435 intern/cycles/kernel/svm/svm_brick.h

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intern/cycles/kernel/svm/svm_brick.h

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{ {
int nn; int nn;
n = (n + 1013) & 0x7fffffff; n = (n + 1013) & 0x7fffffff;
n = (n >> 13) ^ n; n = (n >> 13) ^ n;
nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff; nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff;
return 0.5f * ((float)nn / 1073741824.0f); return 0.5f * ((float)nn / 1073741824.0f);
} }
ccl_device_noinline float2 svm_brick(float3 p, float mortar_size, float bias, ccl_device_noinline float2 svm_brick(float3 p, float mortar_size, float mortar_smooth, float bias,
float brick_width, float row_height, float offset_amount, int offset_frequency, float brick_width, float row_height, float offset_amount, int offset_frequency,
float squash_amount, int squash_frequency) float squash_amount, int squash_frequency)
{ {
int bricknum, rownum; int bricknum, rownum;
float offset = 0.0f; float offset = 0.0f;
float x, y; float x, y;
rownum = floor_to_int(p.y / row_height); rownum = floor_to_int(p.y / row_height);
if(offset_frequency && squash_frequency) { if(offset_frequency && squash_frequency) {
brick_width *= (rownum % squash_frequency) ? 1.0f : squash_amount; /* squash */ brick_width *= (rownum % squash_frequency) ? 1.0f : squash_amount; /* squash */
offset = (rownum % offset_frequency) ? 0.0f : (brick_width*offset_amount); /* offset */ offset = (rownum % offset_frequency) ? 0.0f : (brick_width*offset_amount); /* offset */
} }
bricknum = floor_to_int((p.x+offset) / brick_width); bricknum = floor_to_int((p.x+offset) / brick_width);
x = (p.x+offset) - brick_width*bricknum; x = (p.x+offset) - brick_width*bricknum;
y = p.y - row_height*rownum; y = p.y - row_height*rownum;
return make_float2( float tint = saturate((brick_noise((rownum << 16) + (bricknum & 0xFFFF)) + bias));
saturate((brick_noise((rownum << 16) + (bricknum & 0xFFFF)) + bias)), float min_dist = min(min(x, y), min(brick_width - x, row_height - y));
(x < mortar_size || y < mortar_size || float mortar;
x > (brick_width - mortar_size) || if(min_dist >= mortar_size) {
y > (row_height - mortar_size)) ? 1.0f : 0.0f); mortar = 0.0f;
}
else if(mortar_smooth == 0.0f) {
mortar = 1.0f;
}
else {
min_dist = 1.0f - min_dist/mortar_size;
mortar = (min_dist < mortar_smooth)? smoothstepf(min_dist / mortar_smooth) : 1.0f;
}
return make_float2(tint, mortar);
} }
ccl_device void svm_node_tex_brick(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset) ccl_device void svm_node_tex_brick(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
{ {
uint4 node2 = read_node(kg, offset); uint4 node2 = read_node(kg, offset);
uint4 node3 = read_node(kg, offset); uint4 node3 = read_node(kg, offset);
uint4 node4 = read_node(kg, offset);
/* Input and Output Sockets */ /* Input and Output Sockets */
uint co_offset, color1_offset, color2_offset, mortar_offset, scale_offset; uint co_offset, color1_offset, color2_offset, mortar_offset, scale_offset;
uint mortar_size_offset, bias_offset, brick_width_offset, row_height_offset; uint mortar_size_offset, bias_offset, brick_width_offset, row_height_offset;
uint color_offset, fac_offset; uint color_offset, fac_offset, mortar_smooth_offset;
/* RNA properties */ /* RNA properties */
uint offset_frequency, squash_frequency; uint offset_frequency, squash_frequency;
decode_node_uchar4(node.y, &co_offset, &color1_offset, &color2_offset, &mortar_offset); decode_node_uchar4(node.y, &co_offset, &color1_offset, &color2_offset, &mortar_offset);
decode_node_uchar4(node.z, &scale_offset, &mortar_size_offset, &bias_offset, &brick_width_offset); decode_node_uchar4(node.z, &scale_offset, &mortar_size_offset, &bias_offset, &brick_width_offset);
decode_node_uchar4(node.w, &row_height_offset, &color_offset, &fac_offset, NULL); decode_node_uchar4(node.w, &row_height_offset, &color_offset, &fac_offset, &mortar_smooth_offset);
decode_node_uchar4(node2.x, &offset_frequency, &squash_frequency, NULL, NULL); decode_node_uchar4(node2.x, &offset_frequency, &squash_frequency, NULL, NULL);
float3 co = stack_load_float3(stack, co_offset); float3 co = stack_load_float3(stack, co_offset);
float3 color1 = stack_load_float3(stack, color1_offset); float3 color1 = stack_load_float3(stack, color1_offset);
float3 color2 = stack_load_float3(stack, color2_offset); float3 color2 = stack_load_float3(stack, color2_offset);
float3 mortar = stack_load_float3(stack, mortar_offset); float3 mortar = stack_load_float3(stack, mortar_offset);
float scale = stack_load_float_default(stack, scale_offset, node2.y); float scale = stack_load_float_default(stack, scale_offset, node2.y);
float mortar_size = stack_load_float_default(stack, mortar_size_offset, node2.z); float mortar_size = stack_load_float_default(stack, mortar_size_offset, node2.z);
float mortar_smooth = stack_load_float_default(stack, mortar_smooth_offset, node4.x);
float bias = stack_load_float_default(stack, bias_offset, node2.w); float bias = stack_load_float_default(stack, bias_offset, node2.w);
float brick_width = stack_load_float_default(stack, brick_width_offset, node3.x); float brick_width = stack_load_float_default(stack, brick_width_offset, node3.x);
float row_height = stack_load_float_default(stack, row_height_offset, node3.y); float row_height = stack_load_float_default(stack, row_height_offset, node3.y);
float offset_amount = __int_as_float(node3.z); float offset_amount = __int_as_float(node3.z);
float squash_amount = __int_as_float(node3.w); float squash_amount = __int_as_float(node3.w);
float2 f2 = svm_brick(co*scale, mortar_size, bias, brick_width, row_height, float2 f2 = svm_brick(co*scale, mortar_size, mortar_smooth, bias, brick_width, row_height,
offset_amount, offset_frequency, squash_amount, squash_frequency); offset_amount, offset_frequency, squash_amount, squash_frequency);
float tint = f2.x; float tint = f2.x;
float f = f2.y; float f = f2.y;
if(f != 1.0f) { if(f != 1.0f) {
float facm = 1.0f - tint; float facm = 1.0f - tint;
color1 = facm * color1 + tint * color2; color1 = facm * color1 + tint * color2;
} }
if(stack_valid(color_offset)) if(stack_valid(color_offset))
stack_store_float3(stack, color_offset, (f == 1.0f)? mortar: color1); stack_store_float3(stack, color_offset, lerp(color1, mortar, f));
if(stack_valid(fac_offset)) if(stack_valid(fac_offset))
stack_store_float(stack, fac_offset, f); stack_store_float(stack, fac_offset, f);
} }
CCL_NAMESPACE_END CCL_NAMESPACE_END