e12c08e8d1
Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
// Copyright 2013 Blender Foundation. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// Author: Sergey Sharybin
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#ifndef OPENSUBDIV_CAPI_GL_MESH_CAPI_H_
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#define OPENSUBDIV_CAPI_GL_MESH_CAPI_H_
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#include <stdint.h> // for bool
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#include "opensubdiv_capi_type.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct OpenSubdiv_GLMeshInternal;
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// Mesh which is displayable in OpenGL context.
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typedef struct OpenSubdiv_GLMesh {
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//////////////////////////////////////////////////////////////////////////////
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// Subdivision/topology part.
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// Returns the GL index buffer containing the patch control vertices.
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unsigned int (*getPatchIndexBuffer)(struct OpenSubdiv_GLMesh *gl_mesh);
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// Bind GL buffer which contains vertices (VBO).
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// TODO(sergey): Is this a coarse vertices?
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void (*bindVertexBuffer)(struct OpenSubdiv_GLMesh *gl_mesh);
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// Set coarse positions from a continuous array of coordinates.
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void (*setCoarsePositions)(struct OpenSubdiv_GLMesh *gl_mesh,
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const float *positions,
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const int start_vertex,
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const int num_vertices);
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// TODO(sergey): setCoarsePositionsFromBuffer().
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// Refine after coarse positions update.
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void (*refine)(struct OpenSubdiv_GLMesh *gl_mesh);
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// Synchronize after coarse positions update and refine.
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void (*synchronize)(struct OpenSubdiv_GLMesh *gl_mesh);
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//////////////////////////////////////////////////////////////////////////////
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// Drawing part.
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// Prepare mesh for display.
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void (*prepareDraw)(struct OpenSubdiv_GLMesh *gl_mesh,
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const bool use_osd_glsl,
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const int active_uv_index);
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// Draw given range of patches.
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//
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// If fill_quads is false, then patches are drawn in wireframe.
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void (*drawPatches)(struct OpenSubdiv_GLMesh *gl_mesh,
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const bool fill_quads,
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const int start_patch,
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const int num_patches);
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// Internal storage for the use in this module only.
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//
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// Tease: This contains an actual OpenSubdiv's Mesh object.
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struct OpenSubdiv_GLMeshInternal *internal;
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} OpenSubdiv_GLMesh;
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OpenSubdiv_GLMesh *openSubdiv_createOsdGLMeshFromTopologyRefiner(
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struct OpenSubdiv_TopologyRefiner *topology_refiner, eOpenSubdivEvaluator evaluator_type);
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void openSubdiv_deleteOsdGLMesh(OpenSubdiv_GLMesh *gl_mesh);
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// Global resources needed for GL mesh drawing.
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bool openSubdiv_initGLMeshDrawingResources(void);
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void openSubdiv_deinitGLMeshDrawingResources(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // OPENSUBDIV_CAPI_GL_MESH_CAPI_H_
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