diff options
author | Clément Foucault <foucault.clem@gmail.com> | 2020-08-31 16:14:47 +0300 |
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committer | Clément Foucault <foucault.clem@gmail.com> | 2020-08-31 16:14:47 +0300 |
commit | 1804eb57fd27fceb0ed113e3ef2f4a55db0d03c8 (patch) | |
tree | 003ceca6cdb280e5f6fc408b6833dea8b36f2bd6 /source/blender/gpu/intern/gpu_immediate_private.hh | |
parent | 1b3a0ae2316063d9817210a8fe5fd4588cee47cf (diff) |
GPUImmediate: GL backend isolation
This is part of the Vulkan backend task T68990.
This is mostly a cleanup, however, there is a small change:
We don't use a special Vertex Array binding function for Immediate
anymore and just reuse the one for batches.
This might create a bit more state changes but this could be fixed
easily if it causes perf regression.
# Conflicts:
# source/blender/gpu/intern/gpu_context.cc
Diffstat (limited to 'source/blender/gpu/intern/gpu_immediate_private.hh')
-rw-r--r-- | source/blender/gpu/intern/gpu_immediate_private.hh | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_immediate_private.hh b/source/blender/gpu/intern/gpu_immediate_private.hh new file mode 100644 index 00000000000..aa99fb9a438 --- /dev/null +++ b/source/blender/gpu/intern/gpu_immediate_private.hh @@ -0,0 +1,66 @@ +/* + * 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. + */ + +/** \file + * \ingroup gpu + * + * Mimics old style opengl immediate mode drawing. + */ + +#pragma once + +#include "GPU_batch.h" +#include "GPU_primitive.h" +#include "GPU_shader.h" +#include "GPU_vertex_format.h" + +namespace blender::gpu { + +class Immediate { + public: + /** Pointer to the mapped buffer data for the currect vertex. */ + uchar *vertex_data = NULL; + /** Current vertex index. */ + uint vertex_idx = 0; + /** Length of the buffer in vertices. */ + uint vertex_len = 0; + /** Which attributes of current vertex have not been given values? */ + uint16_t unassigned_attr_bits = 0; + /** Attributes that needs to be set. One bit per attribute. */ + uint16_t enabled_attr_bits = 0; + + /** Current draw call specification. */ + GPUPrimType prim_type = GPU_PRIM_NONE; + GPUVertFormat vertex_format; + GPUShader *shader = NULL; + /** Enforce strict vertex count (disabled when using immBeginAtMost). */ + bool strict_vertex_len = true; + + /** Batch in construction when using immBeginBatch. */ + GPUBatch *batch = NULL; + + public: + Immediate(){}; + virtual ~Immediate(){}; + + virtual uchar *begin(void) = 0; + virtual void end(void) = 0; +}; + +} // namespace blender::gpu
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