intern/opensubdiv/internal/evaluator/eval_output_gpu.h

   1 /* SPDX-FileCopyrightText: 2021 Blender Foundation
   2  *
   3  * SPDX-License-Identifier: GPL-2.0-or-later
   4  *
   5  * Author: Sergey Sharybin. */
   6
   7 #ifndef OPENSUBDIV_EVAL_OUTPUT_GPU_H_
   8 #define OPENSUBDIV_EVAL_OUTPUT_GPU_H_
   9
  10 #include "internal/evaluator/eval_output.h"
  11 #include "internal/evaluator/gl_compute_evaluator.h"
  12
  13 #include <opensubdiv/osd/glPatchTable.h>
  14 #include <opensubdiv/osd/glVertexBuffer.h>
  15
  16 using OpenSubdiv::Osd::GLVertexBuffer;
  17
  18 namespace blender::opensubdiv {
  19
  20 class GpuEvalOutput : public VolatileEvalOutput<GLVertexBuffer,
  21                                                 GLVertexBuffer,
  22                                                 GLStencilTableSSBO,
  23                                                 GLPatchTable,
  24                                                 GLComputeEvaluator> {
  25  public:
  26   GpuEvalOutput(const StencilTable *vertex_stencils,
  27                 const StencilTable *varying_stencils,
  28                 const std::vector<const StencilTable *> &all_face_varying_stencils,
  29                 const int face_varying_width,
  30                 const PatchTable *patch_table,
  31                 EvaluatorCache *evaluator_cache = nullptr);
  32
  33   void fillPatchArraysBuffer(OpenSubdiv_Buffer *patch_arrays_buffer) override;
  34
  35   void wrapPatchIndexBuffer(OpenSubdiv_Buffer *patch_index_buffer) override;
  36
  37   void wrapPatchParamBuffer(OpenSubdiv_Buffer *patch_param_buffer) override;
  38
  39   void wrapSrcBuffer(OpenSubdiv_Buffer *src_buffer) override;
  40
  41   void wrapSrcVertexDataBuffer(OpenSubdiv_Buffer *src_buffer) override;
  42
  43   void fillFVarPatchArraysBuffer(const int face_varying_channel,
  44                                  OpenSubdiv_Buffer *patch_arrays_buffer) override;
  45
  46   void wrapFVarPatchIndexBuffer(const int face_varying_channel,
  47                                 OpenSubdiv_Buffer *patch_index_buffer) override;
  48
  49   void wrapFVarPatchParamBuffer(const int face_varying_channel,
  50                                 OpenSubdiv_Buffer *patch_param_buffer) override;
  51
  52   void wrapFVarSrcBuffer(const int face_varying_channel, OpenSubdiv_Buffer *src_buffer) override;
  53 };
  54
  55 }  // namespace blender::opensubdiv
  56
  57 #endif  // OPENSUBDIV_EVAL_OUTPUT_GPU_H_