star-geometry-2d

commit 03ef441c8d477fc498398a9a93fef7e5dbba95f2
parent 0b6fe88b6f1c6ad3fd6d91d432761de5ee1eb192
Author: Christophe Coustet <christophe.coustet@meso-star.com>
Date:   Tue,  3 Mar 2020 14:22:24 +0100

Add a new helper header file for stardis solver

Diffstat:
M
cmake/CMakeLists.txt
 | 
1
+
A
src/sg2d_sdisXd_helper.h
 | 
75
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
@@ -66,6 +66,7 @@ set(SG2D_FILES_INC_API
   sg2d.h
   sg2d_sXd_helper.h
   sg2d_sencXd_helper.h
+  sg2d_sdisXd_helper.h
   sgX2d.h
   sgX2d_undefs.h
 )
diff --git a/src/sg2d_sdisXd_helper.h b/src/sg2d_sdisXd_helper.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 2019-2020 |Meso|Star> (contact@meso-star.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef SG2D_SDISXD_HELPER_H__
+#define SG2D_SDISXD_HELPER_H__
+
+#include "sg2d.h"
+
+#include <rsys/rsys.h>
+
+struct sdis_interface;
+
+/* The type to used as the void* parameter in the sdis_scene_2d_create call */
+struct sg2d_sdisXd_scene_create_context {
+  struct sg2d_geometry* geometry;
+  struct sdis_interface* (*app_interface_getter)(const size_t iseg, void* data);
+  void* app_interface_data;
+};
+
+/* Get vertex indices for the itri_th triangle.
+ * Suitable for use as get_indices callback in sdis_scene_create calls. */
+static FINLINE void
+sg2d_sdisXd_geometry_get_indices
+  (const size_t itri,
+   size_t indices[SG2D_GEOMETRY_DIMENSION],
+   void* ctx__)
+{
+  const struct sg2d_sdisXd_scene_create_context* ctx = ctx__;
+  unsigned i, tmp[2];
+  ASSERT(indices && ctx && ctx->geometry && itri <= UINT_MAX);
+  SG2D(geometry_get_unique_triangle_vertices(ctx->geometry, (unsigned)itri, tmp));
+  FOR_EACH(i, 0, SG2D_GEOMETRY_DIMENSION) indices[i] = tmp[i];
+}
+
+/* Get vertex indices for the itri_th triangle.
+ * Suitable for use as get_position callback in sdis_scene_create calls. */
+static FINLINE void
+sg2d_sdisXd_geometry_get_position
+  (const size_t ivert,
+   double coord[SG2D_GEOMETRY_DIMENSION],
+   void* ctx__)
+{
+  const struct sg2d_sdisXd_scene_create_context* ctx = ctx__;
+  ASSERT(coord && ctx && ctx->geometry && ivert <= UINT_MAX);
+  SG2D(geometry_get_unique_vertex(ctx->geometry, (unsigned)ivert, coord));
+}
+
+/* Get vertex indices for the itri_th triangle.
+ * Suitable for use as get_indices callback in sdis_scene_create calls. */
+static FINLINE void
+sg2d_sdisXd_geometry_get_interface
+  (const size_t itri,
+   struct sdis_interface** bound,
+   void* ctx__)
+{
+  const struct sg2d_sdisXd_scene_create_context* ctx = ctx__;
+  ASSERT(bound && ctx && ctx->app_interface_getter && itri < UINT_MAX);
+  *bound = ctx->app_interface_getter(itri, ctx->app_interface_data);
+}
+
+END_DECLS
+
+#endif /* SG2D_SDISXD_HELPER_H__ */