28ad3736e8
Avoid access on global DRWShapeCache and still share the code for batch creation. Each module is then responsible owner of their own batch.
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "BLI_compiler_attrs.h"
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#include "BLI_sys_types.h"
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struct rctf;
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namespace blender::gpu {
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class Batch;
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}
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/* `gpu_batch_utils.cc` */
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/**
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* Creates triangles from a byte-array of polygons.
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*
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* See 'make_shape_2d_from_blend.py' utility to create data to pass to this function.
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*
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* \param polys_flat: Pairs of X, Y coordinates (repeating to signify closing the polygon).
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* \param polys_flat_len: Length of the array (must be an even number).
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* \param rect: Optional region to map the byte 0..255 coords to. When not set use -1..1.
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*/
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blender::gpu::Batch *GPU_batch_tris_from_poly_2d_encoded(const uchar *polys_flat,
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uint polys_flat_len,
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const rctf *rect) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL(1);
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blender::gpu::Batch *GPU_batch_wire_from_poly_2d_encoded(const uchar *polys_flat,
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uint polys_flat_len,
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const rctf *rect) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL(1);
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/**
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* Create a batch of a unit cube (-1..+1).
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* Only has position attribute.
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*/
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blender::gpu::Batch *GPU_batch_unit_cube() ATTR_WARN_UNUSED_RESULT;
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/**
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* Replacement for #gluSphere.
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*
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* \note Only use by draw manager. Use the presets function instead for interface.
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*/
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blender::gpu::Batch *gpu_batch_sphere(int lat_res, int lon_res) ATTR_WARN_UNUSED_RESULT;
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