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-rw-r--r--intern/cycles/kernel/svm/svm_fractal_noise.h52
-rw-r--r--intern/cycles/kernel/svm/svm_noisetex.h91
-rw-r--r--intern/cycles/kernel/svm/svm_wave.h32
3 files changed, 107 insertions, 68 deletions
diff --git a/intern/cycles/kernel/svm/svm_fractal_noise.h b/intern/cycles/kernel/svm/svm_fractal_noise.h
index 5b2e4a28fce..57fa8c690ac 100644
--- a/intern/cycles/kernel/svm/svm_fractal_noise.h
+++ b/intern/cycles/kernel/svm/svm_fractal_noise.h
@@ -17,114 +17,118 @@
CCL_NAMESPACE_BEGIN
/* The fractal_noise_[1-4] functions are all exactly the same except for the input type. */
-ccl_device_noinline float fractal_noise_1d(float p, float octaves)
+ccl_device_noinline float fractal_noise_1d(float p, float octaves, float roughness)
{
float fscale = 1.0f;
float amp = 1.0f;
+ float maxamp = 0.0f;
float sum = 0.0f;
octaves = clamp(octaves, 0.0f, 16.0f);
int n = float_to_int(octaves);
for (int i = 0; i <= n; i++) {
float t = noise_1d(fscale * p);
sum += t * amp;
- amp *= 0.5f;
+ maxamp += amp;
+ amp *= clamp(roughness, 0.0f, 1.0f);
fscale *= 2.0f;
}
float rmd = octaves - floorf(octaves);
if (rmd != 0.0f) {
float t = noise_1d(fscale * p);
float sum2 = sum + t * amp;
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- sum2 *= ((float)(1 << (n + 1)) / (float)((1 << (n + 2)) - 1));
+ sum /= maxamp;
+ sum2 /= maxamp + amp;
return (1.0f - rmd) * sum + rmd * sum2;
}
else {
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- return sum;
+ return sum / maxamp;
}
}
/* The fractal_noise_[1-4] functions are all exactly the same except for the input type. */
-ccl_device_noinline float fractal_noise_2d(float2 p, float octaves)
+ccl_device_noinline float fractal_noise_2d(float2 p, float octaves, float roughness)
{
float fscale = 1.0f;
float amp = 1.0f;
+ float maxamp = 0.0f;
float sum = 0.0f;
octaves = clamp(octaves, 0.0f, 16.0f);
int n = float_to_int(octaves);
for (int i = 0; i <= n; i++) {
float t = noise_2d(fscale * p);
sum += t * amp;
- amp *= 0.5f;
+ maxamp += amp;
+ amp *= clamp(roughness, 0.0f, 1.0f);
fscale *= 2.0f;
}
float rmd = octaves - floorf(octaves);
if (rmd != 0.0f) {
float t = noise_2d(fscale * p);
float sum2 = sum + t * amp;
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- sum2 *= ((float)(1 << (n + 1)) / (float)((1 << (n + 2)) - 1));
+ sum /= maxamp;
+ sum2 /= maxamp + amp;
return (1.0f - rmd) * sum + rmd * sum2;
}
else {
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- return sum;
+ return sum / maxamp;
}
}
/* The fractal_noise_[1-4] functions are all exactly the same except for the input type. */
-ccl_device_noinline float fractal_noise_3d(float3 p, float octaves)
+ccl_device_noinline float fractal_noise_3d(float3 p, float octaves, float roughness)
{
float fscale = 1.0f;
float amp = 1.0f;
+ float maxamp = 0.0f;
float sum = 0.0f;
octaves = clamp(octaves, 0.0f, 16.0f);
int n = float_to_int(octaves);
for (int i = 0; i <= n; i++) {
float t = noise_3d(fscale * p);
sum += t * amp;
- amp *= 0.5f;
+ maxamp += amp;
+ amp *= clamp(roughness, 0.0f, 1.0f);
fscale *= 2.0f;
}
float rmd = octaves - floorf(octaves);
if (rmd != 0.0f) {
float t = noise_3d(fscale * p);
float sum2 = sum + t * amp;
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- sum2 *= ((float)(1 << (n + 1)) / (float)((1 << (n + 2)) - 1));
+ sum /= maxamp;
+ sum2 /= maxamp + amp;
return (1.0f - rmd) * sum + rmd * sum2;
}
else {
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- return sum;
+ return sum / maxamp;
}
}
/* The fractal_noise_[1-4] functions are all exactly the same except for the input type. */
-ccl_device_noinline float fractal_noise_4d(float4 p, float octaves)
+ccl_device_noinline float fractal_noise_4d(float4 p, float octaves, float roughness)
{
float fscale = 1.0f;
float amp = 1.0f;
+ float maxamp = 0.0f;
float sum = 0.0f;
octaves = clamp(octaves, 0.0f, 16.0f);
int n = float_to_int(octaves);
for (int i = 0; i <= n; i++) {
float t = noise_4d(fscale * p);
sum += t * amp;
- amp *= 0.5f;
+ maxamp += amp;
+ amp *= clamp(roughness, 0.0f, 1.0f);
fscale *= 2.0f;
}
float rmd = octaves - floorf(octaves);
if (rmd != 0.0f) {
float t = noise_4d(fscale * p);
float sum2 = sum + t * amp;
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- sum2 *= ((float)(1 << (n + 1)) / (float)((1 << (n + 2)) - 1));
+ sum /= maxamp;
+ sum2 /= maxamp + amp;
return (1.0f - rmd) * sum + rmd * sum2;
}
else {
- sum *= ((float)(1 << n) / (float)((1 << (n + 1)) - 1));
- return sum;
+ return sum / maxamp;
}
}
diff --git a/intern/cycles/kernel/svm/svm_noisetex.h b/intern/cycles/kernel/svm/svm_noisetex.h
index 12884c6cb25..920dd7d9d02 100644
--- a/intern/cycles/kernel/svm/svm_noisetex.h
+++ b/intern/cycles/kernel/svm/svm_noisetex.h
@@ -50,24 +50,34 @@ ccl_device_inline float4 random_float4_offset(float seed)
100.0f + hash_float2_to_float(make_float2(seed, 3.0f)) * 100.0f);
}
-ccl_device void noise_texture_1d(
- float co, float detail, float distortion, bool color_is_needed, float *value, float3 *color)
+ccl_device void noise_texture_1d(float co,
+ float detail,
+ float roughness,
+ float distortion,
+ bool color_is_needed,
+ float *value,
+ float3 *color)
{
float p = co;
if (distortion != 0.0f) {
p += snoise_1d(p + random_float_offset(0.0f)) * distortion;
}
- *value = fractal_noise_1d(p, detail);
+ *value = fractal_noise_1d(p, detail, roughness);
if (color_is_needed) {
*color = make_float3(*value,
- fractal_noise_1d(p + random_float_offset(1.0f), detail),
- fractal_noise_1d(p + random_float_offset(2.0f), detail));
+ fractal_noise_1d(p + random_float_offset(1.0f), detail, roughness),
+ fractal_noise_1d(p + random_float_offset(2.0f), detail, roughness));
}
}
-ccl_device void noise_texture_2d(
- float2 co, float detail, float distortion, bool color_is_needed, float *value, float3 *color)
+ccl_device void noise_texture_2d(float2 co,
+ float detail,
+ float roughness,
+ float distortion,
+ bool color_is_needed,
+ float *value,
+ float3 *color)
{
float2 p = co;
if (distortion != 0.0f) {
@@ -75,16 +85,21 @@ ccl_device void noise_texture_2d(
snoise_2d(p + random_float2_offset(1.0f)) * distortion);
}
- *value = fractal_noise_2d(p, detail);
+ *value = fractal_noise_2d(p, detail, roughness);
if (color_is_needed) {
*color = make_float3(*value,
- fractal_noise_2d(p + random_float2_offset(2.0f), detail),
- fractal_noise_2d(p + random_float2_offset(3.0f), detail));
+ fractal_noise_2d(p + random_float2_offset(2.0f), detail, roughness),
+ fractal_noise_2d(p + random_float2_offset(3.0f), detail, roughness));
}
}
-ccl_device void noise_texture_3d(
- float3 co, float detail, float distortion, bool color_is_needed, float *value, float3 *color)
+ccl_device void noise_texture_3d(float3 co,
+ float detail,
+ float roughness,
+ float distortion,
+ bool color_is_needed,
+ float *value,
+ float3 *color)
{
float3 p = co;
if (distortion != 0.0f) {
@@ -93,16 +108,21 @@ ccl_device void noise_texture_3d(
snoise_3d(p + random_float3_offset(2.0f)) * distortion);
}
- *value = fractal_noise_3d(p, detail);
+ *value = fractal_noise_3d(p, detail, roughness);
if (color_is_needed) {
*color = make_float3(*value,
- fractal_noise_3d(p + random_float3_offset(3.0f), detail),
- fractal_noise_3d(p + random_float3_offset(4.0f), detail));
+ fractal_noise_3d(p + random_float3_offset(3.0f), detail, roughness),
+ fractal_noise_3d(p + random_float3_offset(4.0f), detail, roughness));
}
}
-ccl_device void noise_texture_4d(
- float4 co, float detail, float distortion, bool color_is_needed, float *value, float3 *color)
+ccl_device void noise_texture_4d(float4 co,
+ float detail,
+ float roughness,
+ float distortion,
+ bool color_is_needed,
+ float *value,
+ float3 *color)
{
float4 p = co;
if (distortion != 0.0f) {
@@ -112,11 +132,11 @@ ccl_device void noise_texture_4d(
snoise_4d(p + random_float4_offset(3.0f)) * distortion);
}
- *value = fractal_noise_4d(p, detail);
+ *value = fractal_noise_4d(p, detail, roughness);
if (color_is_needed) {
*color = make_float3(*value,
- fractal_noise_4d(p + random_float4_offset(4.0f), detail),
- fractal_noise_4d(p + random_float4_offset(5.0f), detail));
+ fractal_noise_4d(p + random_float4_offset(4.0f), detail, roughness),
+ fractal_noise_4d(p + random_float4_offset(5.0f), detail, roughness));
}
}
@@ -128,21 +148,27 @@ ccl_device void svm_node_tex_noise(KernelGlobals *kg,
uint offsets2,
int *offset)
{
- uint vector_stack_offset, w_stack_offset, scale_stack_offset, detail_stack_offset;
- uint distortion_stack_offset, value_stack_offset, color_stack_offset;
+ uint vector_stack_offset, w_stack_offset, scale_stack_offset;
+ uint detail_stack_offset, roughness_stack_offset, distortion_stack_offset;
+ uint value_stack_offset, color_stack_offset;
svm_unpack_node_uchar4(
offsets1, &vector_stack_offset, &w_stack_offset, &scale_stack_offset, &detail_stack_offset);
- svm_unpack_node_uchar3(
- offsets2, &distortion_stack_offset, &value_stack_offset, &color_stack_offset);
+ svm_unpack_node_uchar4(offsets2,
+ &roughness_stack_offset,
+ &distortion_stack_offset,
+ &value_stack_offset,
+ &color_stack_offset);
- uint4 defaults = read_node(kg, offset);
+ uint4 defaults1 = read_node(kg, offset);
+ uint4 defaults2 = read_node(kg, offset);
float3 vector = stack_load_float3(stack, vector_stack_offset);
- float w = stack_load_float_default(stack, w_stack_offset, defaults.x);
- float scale = stack_load_float_default(stack, scale_stack_offset, defaults.y);
- float detail = stack_load_float_default(stack, detail_stack_offset, defaults.z);
- float distortion = stack_load_float_default(stack, distortion_stack_offset, defaults.w);
+ float w = stack_load_float_default(stack, w_stack_offset, defaults1.x);
+ float scale = stack_load_float_default(stack, scale_stack_offset, defaults1.y);
+ float detail = stack_load_float_default(stack, detail_stack_offset, defaults1.z);
+ float roughness = stack_load_float_default(stack, roughness_stack_offset, defaults1.w);
+ float distortion = stack_load_float_default(stack, distortion_stack_offset, defaults2.x);
vector *= scale;
w *= scale;
@@ -151,11 +177,13 @@ ccl_device void svm_node_tex_noise(KernelGlobals *kg,
float3 color;
switch (dimensions) {
case 1:
- noise_texture_1d(w, detail, distortion, stack_valid(color_stack_offset), &value, &color);
+ noise_texture_1d(
+ w, detail, roughness, distortion, stack_valid(color_stack_offset), &value, &color);
break;
case 2:
noise_texture_2d(make_float2(vector.x, vector.y),
detail,
+ roughness,
distortion,
stack_valid(color_stack_offset),
&value,
@@ -163,11 +191,12 @@ ccl_device void svm_node_tex_noise(KernelGlobals *kg,
break;
case 3:
noise_texture_3d(
- vector, detail, distortion, stack_valid(color_stack_offset), &value, &color);
+ vector, detail, roughness, distortion, stack_valid(color_stack_offset), &value, &color);
break;
case 4:
noise_texture_4d(make_float4(vector.x, vector.y, vector.z, w),
detail,
+ roughness,
distortion,
stack_valid(color_stack_offset),
&value,
diff --git a/intern/cycles/kernel/svm/svm_wave.h b/intern/cycles/kernel/svm/svm_wave.h
index 64102535f7d..c4763475b47 100644
--- a/intern/cycles/kernel/svm/svm_wave.h
+++ b/intern/cycles/kernel/svm/svm_wave.h
@@ -23,9 +23,10 @@ ccl_device_noinline_cpu float svm_wave(NodeWaveType type,
NodeWaveRingsDirection rings_dir,
NodeWaveProfile profile,
float3 p,
- float detail,
float distortion,
+ float detail,
float dscale,
+ float droughness,
float phase)
{
/* Prevent precision issues on unit coordinates. */
@@ -66,7 +67,7 @@ ccl_device_noinline_cpu float svm_wave(NodeWaveType type,
n += phase;
if (distortion != 0.0f)
- n += distortion * (fractal_noise_3d(p * dscale, detail) * 2.0f - 1.0f);
+ n += distortion * (fractal_noise_3d(p * dscale, detail, droughness) * 2.0f - 1.0f);
if (profile == NODE_WAVE_PROFILE_SIN) {
return 0.5f + 0.5f * sinf(n - M_PI_2_F);
@@ -84,35 +85,40 @@ ccl_device_noinline_cpu float svm_wave(NodeWaveType type,
ccl_device void svm_node_tex_wave(
KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset)
{
- uint4 defaults1 = read_node(kg, offset);
- uint4 defaults2 = read_node(kg, offset);
+ uint4 node2 = read_node(kg, offset);
+ uint4 node3 = read_node(kg, offset);
/* RNA properties */
uint type_offset, bands_dir_offset, rings_dir_offset, profile_offset;
/* Inputs, Outputs */
- uint co_offset, scale_offset, distortion_offset, detail_offset, dscale_offset, phase_offset;
+ uint co_offset, scale_offset, distortion_offset, detail_offset, dscale_offset, droughness_offset,
+ phase_offset;
uint color_offset, fac_offset;
svm_unpack_node_uchar4(
node.y, &type_offset, &bands_dir_offset, &rings_dir_offset, &profile_offset);
- svm_unpack_node_uchar4(node.z, &co_offset, &scale_offset, &distortion_offset, &detail_offset);
- svm_unpack_node_uchar4(node.w, &dscale_offset, &phase_offset, &color_offset, &fac_offset);
+ svm_unpack_node_uchar3(node.z, &co_offset, &scale_offset, &distortion_offset);
+ svm_unpack_node_uchar4(
+ node.w, &detail_offset, &dscale_offset, &droughness_offset, &phase_offset);
+ svm_unpack_node_uchar2(node2.x, &color_offset, &fac_offset);
float3 co = stack_load_float3(stack, co_offset);
- float scale = stack_load_float_default(stack, scale_offset, defaults1.x);
- float detail = stack_load_float_default(stack, detail_offset, defaults1.y);
- float distortion = stack_load_float_default(stack, distortion_offset, defaults1.z);
- float dscale = stack_load_float_default(stack, dscale_offset, defaults1.w);
- float phase = stack_load_float_default(stack, phase_offset, defaults2.x);
+ float scale = stack_load_float_default(stack, scale_offset, node2.y);
+ float distortion = stack_load_float_default(stack, distortion_offset, node2.z);
+ float detail = stack_load_float_default(stack, detail_offset, node2.w);
+ float dscale = stack_load_float_default(stack, dscale_offset, node3.x);
+ float droughness = stack_load_float_default(stack, droughness_offset, node3.y);
+ float phase = stack_load_float_default(stack, phase_offset, node3.z);
float f = svm_wave((NodeWaveType)type_offset,
(NodeWaveBandsDirection)bands_dir_offset,
(NodeWaveRingsDirection)rings_dir_offset,
(NodeWaveProfile)profile_offset,
co * scale,
- detail,
distortion,
+ detail,
dscale,
+ droughness,
phase);
if (stack_valid(fac_offset))
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 07:36:24 +0300