59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2020 Blender Foundation. */
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/** \file
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* \ingroup draw_engine
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*/
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#pragma once
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#include <optional>
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#include "BKE_image.h"
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#include "image_instance_data.hh"
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#include "image_texture_info.hh"
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/* Forward declarations */
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extern "C" {
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struct GPUTexture;
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struct ImBuf;
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struct Image;
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}
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/* *********** LISTS *********** */
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namespace blender::draw::image_engine {
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struct IMAGE_Data {
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void *engine_type;
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DRWViewportEmptyList *fbl;
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DRWViewportEmptyList *txl;
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DRWViewportEmptyList *psl;
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DRWViewportEmptyList *stl;
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IMAGE_InstanceData *instance_data;
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};
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/**
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* Abstract class for a drawing mode of the image engine.
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*
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* The drawing mode decides how to draw the image on the screen. Each way how to draw would have
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* its own subclass. For now there is only a single drawing mode. #DefaultDrawingMode.
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**/
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class AbstractDrawingMode {
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public:
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virtual ~AbstractDrawingMode() = default;
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virtual void begin_sync(IMAGE_Data *vedata) const = 0;
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virtual void image_sync(IMAGE_Data *vedata, Image *image, ImageUser *iuser) const = 0;
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virtual void draw_viewport(IMAGE_Data *vedata) const = 0;
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virtual void draw_finish(IMAGE_Data *vedata) const = 0;
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};
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/* image_shader.c */
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GPUShader *IMAGE_shader_image_get();
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GPUShader *IMAGE_shader_depth_get();
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void IMAGE_shader_free();
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} // namespace blender::draw::image_engine
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