diff options
author | Clément Foucault <foucault.clem@gmail.com> | 2018-07-17 22:11:23 +0300 |
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committer | Clément Foucault <foucault.clem@gmail.com> | 2018-07-18 01:17:57 +0300 |
commit | 247ad2034de2c33a6d9cb7d3b6f1ef7ffa5b859d (patch) | |
tree | 153014a1b6f2fc8c09dddb11ef752eae047b3509 /source/blender/gpu/GPU_element.h | |
parent | 6329629bb9eab86a989367a148154a7ebfa074df (diff) |
GWN: Port to GPU module: Move files to GPU
This does not include all the struct and type renaming. Only files were
renamed.
gwn_batch.c/h was fusioned with GPU_batch.c/h
gwn_immediate.c/h was fusioned with GPU_immediate.c/h
gwn_imm_util.c/h was fusioned with GPU_immediate_util.c/h
Diffstat (limited to 'source/blender/gpu/GPU_element.h')
-rw-r--r-- | source/blender/gpu/GPU_element.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_element.h b/source/blender/gpu/GPU_element.h new file mode 100644 index 00000000000..0c23e90569b --- /dev/null +++ b/source/blender/gpu/GPU_element.h @@ -0,0 +1,102 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2016 by Mike Erwin. + * All rights reserved. + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/gpu/gwn_element.h + * \ingroup gpu + * + * Gawain element list (AKA index buffer) + */ + +#ifndef __GWN_ELEMENT_H__ +#define __GWN_ELEMENT_H__ + +#include "GPU_primitive.h" + +#define GWN_TRACK_INDEX_RANGE 1 + +#define GWN_PRIM_RESTART 0xFFFFFFFF + +typedef enum { + GWN_INDEX_U8, /* GL has this, Vulkan does not */ + GWN_INDEX_U16, + GWN_INDEX_U32 +} Gwn_IndexBufType; + +typedef struct Gwn_IndexBuf { + uint index_len; +#if GWN_TRACK_INDEX_RANGE + Gwn_IndexBufType index_type; + uint32_t gl_index_type; + uint min_index; + uint max_index; + uint base_index; +#endif + uint32_t vbo_id; /* 0 indicates not yet sent to VRAM */ + bool use_prim_restart; +} Gwn_IndexBuf; + +void GWN_indexbuf_use(Gwn_IndexBuf*); +uint GWN_indexbuf_size_get(const Gwn_IndexBuf*); + +typedef struct Gwn_IndexBufBuilder { + uint max_allowed_index; + uint max_index_len; + uint index_len; + Gwn_PrimType prim_type; + uint* data; + bool use_prim_restart; +} Gwn_IndexBufBuilder; + + +/* supports all primitive types. */ +void GWN_indexbuf_init_ex(Gwn_IndexBufBuilder*, Gwn_PrimType, uint index_len, uint vertex_len, bool use_prim_restart); + +/* supports only GWN_PRIM_POINTS, GWN_PRIM_LINES and GWN_PRIM_TRIS. */ +void GWN_indexbuf_init(Gwn_IndexBufBuilder*, Gwn_PrimType, uint prim_len, uint vertex_len); + +void GWN_indexbuf_add_generic_vert(Gwn_IndexBufBuilder*, uint v); +void GWN_indexbuf_add_primitive_restart(Gwn_IndexBufBuilder*); + +void GWN_indexbuf_add_point_vert(Gwn_IndexBufBuilder*, uint v); +void GWN_indexbuf_add_line_verts(Gwn_IndexBufBuilder*, uint v1, uint v2); +void GWN_indexbuf_add_tri_verts(Gwn_IndexBufBuilder*, uint v1, uint v2, uint v3); +void GWN_indexbuf_add_line_adj_verts(Gwn_IndexBufBuilder*, uint v1, uint v2, uint v3, uint v4); + +Gwn_IndexBuf* GWN_indexbuf_build(Gwn_IndexBufBuilder*); +void GWN_indexbuf_build_in_place(Gwn_IndexBufBuilder*, Gwn_IndexBuf*); + +void GWN_indexbuf_discard(Gwn_IndexBuf*); + + +/* Macros */ + +#define GWN_INDEXBUF_DISCARD_SAFE(elem) do { \ + if (elem != NULL) { \ + GWN_indexbuf_discard(elem); \ + elem = NULL; \ + } \ +} while (0) + +#endif /* __GWN_ELEMENT_H__ */ |