diff options
Diffstat (limited to 'intern/opensubdiv/internal/evaluator/eval_output.h')
| -rw-r--r-- | intern/opensubdiv/internal/evaluator/eval_output.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/intern/opensubdiv/internal/evaluator/eval_output.h b/intern/opensubdiv/internal/evaluator/eval_output.h index 9ca09f011a1..bc5494bfe41 100644 --- a/intern/opensubdiv/internal/evaluator/eval_output.h +++ b/intern/opensubdiv/internal/evaluator/eval_output.h @@ -46,6 +46,8 @@ class EvalOutputAPI::EvalOutput { virtual void updateVaryingData(const float *src, int start_vertex, int num_vertices) = 0; + virtual void updateVertexData(const float *src, int start_vertex, int num_vertices) = 0; + virtual void updateFaceVaryingData(const int face_varying_channel, const float *src, int start_vertex, @@ -70,6 +72,11 @@ class EvalOutputAPI::EvalOutput { const int num_patch_coords, float *varying) = 0; + // NOTE: vertex_data must point to a memory of at least float*num_vertex_data. + virtual void evalPatchesVertexData(const PatchCoord *patch_coord, + const int num_patch_coords, + float *vertex_data) = 0; + virtual void evalPatchesFaceVarying(const int face_varying_channel, const PatchCoord *patch_coord, const int num_patch_coords, @@ -331,11 +338,13 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { const StencilTable *varying_stencils, const vector<const StencilTable *> &all_face_varying_stencils, const int face_varying_width, + const int vertex_data_width, const PatchTable *patch_table, EvaluatorCache *evaluator_cache = NULL, DEVICE_CONTEXT *device_context = NULL) : src_desc_(0, 3, 3), src_varying_desc_(0, 3, 3), + src_vertex_data_desc_(0, vertex_data_width, vertex_data_width), face_varying_width_(face_varying_width), evaluator_cache_(evaluator_cache), device_context_(device_context) @@ -352,6 +361,16 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { device_context_); varying_stencils_ = convertToCompatibleStencilTable<STENCIL_TABLE>(varying_stencils, device_context_); + + // Optionally allocate additional data to be subdivided like vertex coordinates. + if (vertex_data_width > 0) { + src_vertex_data_ = SRC_VERTEX_BUFFER::Create( + vertex_data_width, num_total_vertices, device_context_); + } + else { + src_vertex_data_ = NULL; + } + // Create evaluators for every face varying channel. face_varying_evaluators_.reserve(all_face_varying_stencils.size()); int face_varying_channel = 0; @@ -370,6 +389,7 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { { delete src_data_; delete src_varying_data_; + delete src_vertex_data_; delete patch_table_; delete vertex_stencils_; delete varying_stencils_; @@ -390,6 +410,11 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { src_varying_data_->UpdateData(src, start_vertex, num_vertices, device_context_); } + void updateVertexData(const float *src, int start_vertex, int num_vertices) override + { + src_vertex_data_->UpdateData(src, start_vertex, num_vertices, device_context_); + } + void updateFaceVaryingData(const int face_varying_channel, const float *src, int start_vertex, @@ -426,6 +451,22 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { vertex_stencils_, eval_instance, device_context_); + + // Evaluate smoothly interpolated vertex data. + if (src_vertex_data_) { + BufferDescriptor dst_vertex_data_desc = src_vertex_data_desc_; + dst_vertex_data_desc.offset += num_coarse_vertices_ * src_vertex_data_desc_.stride; + const EVALUATOR *eval_instance = OpenSubdiv::Osd::GetEvaluator<EVALUATOR>( + evaluator_cache_, src_vertex_data_desc_, dst_vertex_data_desc, device_context_); + EVALUATOR::EvalStencils(src_vertex_data_, + src_vertex_data_desc_, + src_vertex_data_, + dst_vertex_data_desc, + vertex_stencils_, + eval_instance, + device_context_); + } + // Evaluate varying data. if (hasVaryingData()) { BufferDescriptor dst_varying_desc = src_varying_desc_; @@ -521,6 +562,27 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { device_context_); } + // NOTE: data must point to a memory of at least float*num_vertex_data. + void evalPatchesVertexData(const PatchCoord *patch_coord, + const int num_patch_coords, + float *data) override + { + RawDataWrapperBuffer<float> vertex_data(data); + BufferDescriptor vertex_desc(0, src_vertex_data_desc_.length, src_vertex_data_desc_.length); + ConstPatchCoordWrapperBuffer patch_coord_buffer(patch_coord, num_patch_coords); + const EVALUATOR *eval_instance = OpenSubdiv::Osd::GetEvaluator<EVALUATOR>( + evaluator_cache_, src_vertex_data_desc_, vertex_desc, device_context_); + EVALUATOR::EvalPatches(src_vertex_data_, + src_vertex_data_desc_, + &vertex_data, + vertex_desc, + patch_coord_buffer.GetNumVertices(), + &patch_coord_buffer, + patch_table_, + eval_instance, + device_context_); + } + void evalPatchesFaceVarying(const int face_varying_channel, const PatchCoord *patch_coord, const int num_patch_coords, @@ -560,9 +622,11 @@ class VolatileEvalOutput : public EvalOutputAPI::EvalOutput { private: SRC_VERTEX_BUFFER *src_data_; SRC_VERTEX_BUFFER *src_varying_data_; + SRC_VERTEX_BUFFER *src_vertex_data_; PATCH_TABLE *patch_table_; BufferDescriptor src_desc_; BufferDescriptor src_varying_desc_; + BufferDescriptor src_vertex_data_desc_; int num_coarse_vertices_; |