mirror of
https://github.com/seekrs/MacroLibX.git
synced 2026-01-12 07:03:34 +00:00
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* text_pipeline.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/04/06 16:41:13 by maldavid #+# #+# */
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/* Updated: 2023/11/14 05:36:09 by maldavid ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <renderer/text_pipeline.h>
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#include <fstream>
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#include <utils/dogica_ttf.h>
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#include <cstdio>
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#define STB_TRUETYPE_IMPLEMENTATION
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#include <stb_truetype.h>
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namespace mlx
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{
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TextDrawData::TextDrawData(std::string _text, int _color, int _x, int _y) :
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x(_x), y(_y), color(_color),
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text(std::move(_text))
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{}
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void TextDrawData::init(TextLibrary& library, std::array<stbtt_bakedchar, 96>& cdata) noexcept
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{
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std::vector<Vertex> vertexData;
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std::vector<uint16_t> indexData;
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float stb_x = 0.0f;
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float stb_y = 0.0f;
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for(char c : text)
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{
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if(c < 32 || c > 127)
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continue;
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stbtt_aligned_quad q;
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stbtt_GetBakedQuad(cdata.data(), 512, 512, c - 32, &stb_x, &stb_y, &q, 1);
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std::size_t index = vertexData.size();
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vertexData.emplace_back(glm::vec2{q.x0, q.y0}, glm::vec4{color & 0x00FF0000, color & 0x0000FF00, color & 0x000000FF, 0xFFFFFFFF}, glm::vec2{q.s0, q.t0});
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vertexData.emplace_back(glm::vec2{q.x1, q.y0}, glm::vec4{color & 0x00FF0000, color & 0x0000FF00, color & 0x000000FF, 0xFFFFFFFF}, glm::vec2{q.s1, q.t0});
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vertexData.emplace_back(glm::vec2{q.x1, q.y1}, glm::vec4{color & 0x00FF0000, color & 0x0000FF00, color & 0x000000FF, 0xFFFFFFFF}, glm::vec2{q.s1, q.t1});
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vertexData.emplace_back(glm::vec2{q.x0, q.y1}, glm::vec4{color & 0x00FF0000, color & 0x0000FF00, color & 0x000000FF, 0xFFFFFFFF}, glm::vec2{q.s0, q.t1});
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indexData.emplace_back(index + 0);
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indexData.emplace_back(index + 1);
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indexData.emplace_back(index + 2);
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indexData.emplace_back(index + 2);
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indexData.emplace_back(index + 3);
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indexData.emplace_back(index + 0);
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}
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std::shared_ptr<TextData> text_data = std::make_shared<TextData>();
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text_data->init(text, std::move(vertexData), std::move(indexData));
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id = library.addTextToLibrary(text_data);
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}
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void TextPutPipeline::init(Renderer* renderer) noexcept
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{
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_renderer = renderer;
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uint8_t tmp_bitmap[512 * 512];
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uint8_t vulkan_bitmap[(512 * 512) * 4];
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stbtt_BakeFontBitmap(dogica_ttf, 0, 6.0f, tmp_bitmap, 512, 512, 32, 96, _cdata.data());
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for(int i = 0, j = 0; i < 512 * 512; i++, j += 4)
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{
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vulkan_bitmap[j + 0] = tmp_bitmap[i];
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vulkan_bitmap[j + 1] = tmp_bitmap[i];
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vulkan_bitmap[j + 2] = tmp_bitmap[i];
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vulkan_bitmap[j + 3] = tmp_bitmap[i];
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}
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_atlas.create(vulkan_bitmap, 512, 512, VK_FORMAT_R8G8B8A8_UNORM, "__mlx_texts_pipeline_texture_atlas", true);
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_atlas.setDescriptor(renderer->getFragDescriptorSet().duplicate());
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}
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void TextPutPipeline::put(int x, int y, int color, std::string str)
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{
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auto res = _drawlist.emplace(std::move(str), color, x, y);
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if(res.second)
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const_cast<TextDrawData&>(*res.first).init(_library, _cdata);
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}
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void TextPutPipeline::render()
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{
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_atlas.updateSet(0);
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for(auto& draw : _drawlist)
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{
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std::shared_ptr<TextData> draw_data = _library.getTextData(draw.id);
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draw_data->bind(*_renderer);
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_atlas.render(*_renderer, draw.x, draw.y, draw_data->getIBOsize());
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}
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}
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void TextPutPipeline::destroy() noexcept
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{
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_library.clearLibrary();
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_atlas.destroy();
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}
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}
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