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80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2019-2020 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#pragma once
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#include "core/core.h"
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#include "vk_common.h"
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#include "vk_core.h"
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struct TextPrintState
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{
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VkCommandBuffer cmd;
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VkRenderPass rp;
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VkFramebuffer fb;
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uint32_t w, h;
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VkFormat fmt;
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};
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class VulkanTextRenderer
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{
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public:
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VulkanTextRenderer(WrappedVulkan *driver);
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~VulkanTextRenderer();
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void BeginText(const TextPrintState &textstate);
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void RenderText(const TextPrintState &textstate, float x, float y, const rdcstr &text);
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void EndText(const TextPrintState &textstate);
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private:
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void RenderTextInternal(const TextPrintState &textstate, float x, float y, const rdcstr &text);
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static const uint32_t FONT_TEX_WIDTH = 256;
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static const uint32_t FONT_TEX_HEIGHT = 128;
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WrappedVulkan *m_pDriver = NULL;
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VkDevice m_Device = VK_NULL_HANDLE;
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float m_FontCharAspect = 1.0f;
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float m_FontCharSize = 1.0f;
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VkDescriptorSetLayout m_TextDescSetLayout = VK_NULL_HANDLE;
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VkPipelineLayout m_TextPipeLayout = VK_NULL_HANDLE;
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VkDescriptorSet m_TextDescSet = VK_NULL_HANDLE;
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// 0 - RGBA8_SRGB, 1 - RGBA8, 2 - BGRA8_SRGB, 3 - BGRA8
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VkPipeline m_TextPipeline[4] = {VK_NULL_HANDLE};
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VkSampler m_LinearSampler = VK_NULL_HANDLE;
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VkDescriptorPool m_DescriptorPool = VK_NULL_HANDLE;
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GPUBuffer m_TextGeneralUBO;
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GPUBuffer m_TextGlyphUBO;
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GPUBuffer m_TextStringUBO;
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VkImage m_TextAtlas = VK_NULL_HANDLE;
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VkDeviceMemory m_TextAtlasMem = VK_NULL_HANDLE;
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VkImageView m_TextAtlasView = VK_NULL_HANDLE;
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GPUBuffer m_TextAtlasUpload;
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};
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