109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
#pragma once
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#include "outline_types.h"
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#include "vulkan_helper.h"
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namespace font::outline {
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struct font_desc {
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char const * const path;
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};
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font_desc const uncial_antiqua[] = {
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{
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.path = "data/font/outline/uncial_antiqua_36.data",
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},
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};
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int const uncial_antiqua_length = (sizeof (uncial_antiqua)) / (sizeof (font_desc));
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struct AllocatedImage {
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VkImage image;
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VkDeviceMemory memory;
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VkImageView imageView;
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};
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struct LoadedFont {
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types::font * font;
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types::glyph * glyphs;
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AllocatedImage allocatedImage;
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};
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struct GlyphInstance {
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uint16_t x;
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uint16_t y;
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uint32_t glyph;
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uint32_t color;
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};
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static_assert((sizeof (GlyphInstance)) == 4 * 3);
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struct Glyph {
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uint32_t x;
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uint32_t y;
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uint32_t width;
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uint32_t height;
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};
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struct font {
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static constexpr int perVertexSize = (4) * 2;
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static constexpr int perInstanceSize = (sizeof (GlyphInstance));
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static constexpr int maximumGlyphCount = 1024;
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VkInstance instance;
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VkDevice device;
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VkQueue queue;
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VkCommandPool commandPool;
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VkPhysicalDeviceProperties physicalDeviceProperties;
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VkPhysicalDeviceMemoryProperties physicalDeviceMemoryProperties;
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VkFormat colorFormat;
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VkFormat depthFormat;
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VkSampler linearSampler;
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// font-specific state
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VkPipelineLayout pipelineLayout;
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VkShaderModule shaderModule;
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VkPipeline pipeline;
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VertexIndex vertexIndex;
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LoadedFont loadedFont;
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VkDeviceSize instanceBufferOffset[2];
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VkBuffer instanceBuffer;
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VkDeviceMemory instanceMemory;
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VkDeviceSize instanceMemorySize;
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GlyphInstance * instanceMappedData;
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VkBuffer glyphsBuffer;
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VkDeviceMemory glyphsMemory;
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VkDeviceSize glyphsBufferSize;
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VkDescriptorPool descriptorPool{ VK_NULL_HANDLE };
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static constexpr int descriptorSetLayoutCount = 1;
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VkDescriptorSetLayout descriptorSetLayouts[descriptorSetLayoutCount]; // unrelated to maxFrames, unrelated to descriptorCount
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VkDescriptorSet descriptorSet0;
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void initial_state(VkInstance instance,
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VkDevice device,
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VkQueue queue,
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VkCommandPool commandPool,
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VkPhysicalDeviceProperties physicalDeviceProperties,
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VkPhysicalDeviceMemoryProperties physicalDeviceMemoryProperties,
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VkFormat colorFormat,
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VkFormat depthFormat,
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VkSampler linearSampler);
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void init();
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void load_vertex_index_buffer();
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void load_shader();
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void create_descriptor_sets();
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void write_descriptor_sets(VkImageView fontImageView);
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void create_instance_buffers();
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void create_pipeline();
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void create_glyphs_buffer(types::font const * const font, types::glyph const * const glyphs);
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void draw(VkCommandBuffer commandBuffer,
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uint32_t frameIndex);
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LoadedFont load_font(font_desc const& desc);
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};
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}
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