diff options
author | Julian Eisel <julian@blender.org> | 2020-07-01 18:13:57 +0300 |
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committer | Julian Eisel <julian@blender.org> | 2020-07-01 18:13:57 +0300 |
commit | 0829cebeb024095c268f190c34daa8ae9a5a224c (patch) | |
tree | 12ee5a4a1c2a32e12eff47c8eb9bb0ed217791c1 /intern/cycles/render/curves.cpp | |
parent | cfde6ebf450594faa57c4bfeaecff10fe512c91b (diff) | |
parent | 42be3964eb201180f6b0fa1ff6ce43b8c3845bc2 (diff) |
Merge branch 'master' into asset-uuid--archivedasset-uuid--archived
Diffstat (limited to 'intern/cycles/render/curves.cpp')
-rw-r--r-- | intern/cycles/render/curves.cpp | 110 |
1 files changed, 4 insertions, 106 deletions
diff --git a/intern/cycles/render/curves.cpp b/intern/cycles/render/curves.cpp index 1907bb33d06..db48d8b6430 100644 --- a/intern/cycles/render/curves.cpp +++ b/intern/cycles/render/curves.cpp @@ -36,13 +36,12 @@ void curvebounds(float *lower, float *upper, float3 *p, int dim) float *p2 = &p[2].x; float *p3 = &p[3].x; - float fc = 0.71f; + /* Catmull-Rom weights. */ float curve_coef[4]; curve_coef[0] = p1[dim]; - curve_coef[1] = -fc * p0[dim] + fc * p2[dim]; - curve_coef[2] = 2.0f * fc * p0[dim] + (fc - 3.0f) * p1[dim] + (3.0f - 2.0f * fc) * p2[dim] - - fc * p3[dim]; - curve_coef[3] = -fc * p0[dim] + (2.0f - fc) * p1[dim] + (fc - 2.0f) * p2[dim] + fc * p3[dim]; + curve_coef[1] = 0.5f * (-p0[dim] + p2[dim]); + curve_coef[2] = 0.5f * (2 * p0[dim] - 5 * p1[dim] + 4 * p2[dim] - p3[dim]); + curve_coef[3] = 0.5f * (-p0[dim] + 3 * p1[dim] - 3 * p2[dim] + p3[dim]); float discroot = curve_coef[2] * curve_coef[2] - 3 * curve_coef[3] * curve_coef[1]; float ta = -1.0f; @@ -77,105 +76,4 @@ void curvebounds(float *lower, float *upper, float3 *p, int dim) *lower = min(*lower, min(exa, exb)); } -/* Hair System Manager */ - -CurveSystemManager::CurveSystemManager() -{ - primitive = CURVE_LINE_SEGMENTS; - curve_shape = CURVE_THICK; - line_method = CURVE_CORRECTED; - triangle_method = CURVE_CAMERA_TRIANGLES; - resolution = 3; - subdivisions = 3; - - use_curves = true; - use_encasing = true; - use_backfacing = false; - use_tangent_normal_geometry = false; - - need_update = true; - need_mesh_update = false; -} - -CurveSystemManager::~CurveSystemManager() -{ -} - -void CurveSystemManager::device_update(Device *device, - DeviceScene *dscene, - Scene * /*scene*/, - Progress &progress) -{ - if (!need_update) - return; - - device_free(device, dscene); - - progress.set_status("Updating Hair settings", "Copying Hair settings to device"); - - KernelCurves *kcurve = &dscene->data.curve; - - kcurve->curveflags = 0; - - if (use_curves) { - if (primitive == CURVE_SEGMENTS || primitive == CURVE_RIBBONS) - kcurve->curveflags |= CURVE_KN_INTERPOLATE; - if (primitive == CURVE_RIBBONS) - kcurve->curveflags |= CURVE_KN_RIBBONS; - - if (line_method == CURVE_ACCURATE) - kcurve->curveflags |= CURVE_KN_ACCURATE; - else if (line_method == CURVE_CORRECTED) - kcurve->curveflags |= CURVE_KN_INTERSECTCORRECTION; - - if (use_tangent_normal_geometry) - kcurve->curveflags |= CURVE_KN_TRUETANGENTGNORMAL; - if (use_backfacing) - kcurve->curveflags |= CURVE_KN_BACKFACING; - if (use_encasing) - kcurve->curveflags |= CURVE_KN_ENCLOSEFILTER; - - kcurve->subdivisions = subdivisions; - } - - if (progress.get_cancel()) - return; - - need_update = false; -} - -void CurveSystemManager::device_free(Device * /*device*/, DeviceScene * /*dscene*/) -{ -} - -bool CurveSystemManager::modified(const CurveSystemManager &CurveSystemManager) -{ - return !( - curve_shape == CurveSystemManager.curve_shape && - line_method == CurveSystemManager.line_method && primitive == CurveSystemManager.primitive && - use_encasing == CurveSystemManager.use_encasing && - use_tangent_normal_geometry == CurveSystemManager.use_tangent_normal_geometry && - use_backfacing == CurveSystemManager.use_backfacing && - triangle_method == CurveSystemManager.triangle_method && - resolution == CurveSystemManager.resolution && use_curves == CurveSystemManager.use_curves && - subdivisions == CurveSystemManager.subdivisions); -} - -bool CurveSystemManager::modified_mesh(const CurveSystemManager &CurveSystemManager) -{ - return !( - primitive == CurveSystemManager.primitive && curve_shape == CurveSystemManager.curve_shape && - triangle_method == CurveSystemManager.triangle_method && - resolution == CurveSystemManager.resolution && use_curves == CurveSystemManager.use_curves); -} - -void CurveSystemManager::tag_update(Scene * /*scene*/) -{ - need_update = true; -} - -void CurveSystemManager::tag_update_mesh() -{ - need_mesh_update = true; -} CCL_NAMESPACE_END |