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Diffstat (limited to 'drivers/gles2/rasterizer_canvas_gles2.h')
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.h b/drivers/gles2/rasterizer_canvas_gles2.h new file mode 100644 index 0000000000..fd4da5434e --- /dev/null +++ b/drivers/gles2/rasterizer_canvas_gles2.h @@ -0,0 +1,104 @@ +/*************************************************************************/ +/* rasterizer_canvas_gles2.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef RASTERIZERCANVASGLES2_H +#define RASTERIZERCANVASGLES2_H + +#include "drivers/gles_common/rasterizer_platforms.h" +#ifdef GLES2_BACKEND_ENABLED + +#include "drivers/gles_common/rasterizer_canvas_batcher.h" +#include "drivers/gles_common/rasterizer_version.h" +#include "rasterizer_canvas_base_gles2.h" + +class RasterizerSceneGLES2; + +class RasterizerCanvasGLES2 : public RasterizerCanvasBaseGLES2, public RasterizerCanvasBatcher<RasterizerCanvasGLES2, RasterizerStorageGLES2> { + friend class RasterizerCanvasBatcher<RasterizerCanvasGLES2, RasterizerStorageGLES2>; + +public: + virtual void canvas_render_items_begin(const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform); + virtual void canvas_render_items_end(); + void canvas_render_items_internal(Item *p_item_list, int p_z, const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform); + virtual void canvas_begin() override; + virtual void canvas_end() override; + + void canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_list, const Transform2D &p_canvas_transform, RS::CanvasItemTextureFilter p_default_filter, RS::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel, bool &r_sdf_used) override { + storage->frame.current_rt = nullptr; + + //if (p_to_render_target.is_valid()) + // print_line("canvas_render_items " + itos(p_to_render_target.get_id()) ); + // print_line("canvas_render_items "); + + // first set the current render target + storage->_set_current_render_target(p_to_render_target); + + // binds the render target (framebuffer) + canvas_begin(); + + canvas_render_items_begin(p_modulate, p_light_list, p_canvas_transform); + canvas_render_items_internal(p_item_list, 0, p_modulate, p_light_list, p_canvas_transform); + canvas_render_items_end(); + + canvas_end(); + + // not sure why these are needed to get frame to render? + storage->_set_current_render_target(RID()); + // storage->frame.current_rt = nullptr; + // canvas_begin(); + // canvas_end(); + } + +private: + // legacy codepath .. to remove after testing + void _legacy_canvas_render_item(Item *p_ci, RenderItemState &r_ris); + + // high level batch funcs + void canvas_render_items_implementation(Item *p_item_list, int p_z, const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform); + //void render_joined_item(const BItemJoined &p_bij, RenderItemState &r_ris); + //bool try_join_item(Item *p_ci, RenderItemState &r_ris, bool &r_batch_break); + void render_batches(Item::Command *const *p_commands, Item *p_current_clip, bool &r_reclip, RasterizerStorageGLES2::Material *p_material); + + // low level batch funcs + // void _batch_upload_buffers(); + // void _batch_render_generic(const Batch &p_batch, RasterizerStorageGLES2::Material *p_material); + // void _batch_render_lines(const Batch &p_batch, RasterizerStorageGLES2::Material *p_material, bool p_anti_alias); + + // funcs used from rasterizer_canvas_batcher template + void gl_enable_scissor(int p_x, int p_y, int p_width, int p_height) const; + void gl_disable_scissor() const; + +public: + void initialize(); + RasterizerCanvasGLES2(); +}; + +#endif // GLES2_BACKEND_ENABLED +#endif // RASTERIZERCANVASGLES2_H |