forked from dolphin-emu/dolphin
411 lines
18 KiB
C++
411 lines
18 KiB
C++
// Copyright 2016 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "VideoBackends/Vulkan/RasterFont.h"
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#include <cstring>
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#include <vector>
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#include "VideoBackends/Vulkan/CommandBufferManager.h"
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#include "VideoBackends/Vulkan/Texture2D.h"
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#include "VideoBackends/Vulkan/Util.h"
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#include "VideoBackends/Vulkan/VulkanContext.h"
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// Based on OGL RasterFont
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// TODO: We should move this to common.
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namespace Vulkan
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{
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constexpr int CHAR_WIDTH = 8;
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constexpr int CHAR_HEIGHT = 13;
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constexpr int CHAR_OFFSET = 32;
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constexpr int CHAR_COUNT = 95;
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static const u8 rasters[CHAR_COUNT][CHAR_HEIGHT] = {
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36},
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{0x00, 0x00, 0x00, 0x66, 0x66, 0xff, 0x66, 0x66, 0xff, 0x66, 0x66, 0x00, 0x00},
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{0x00, 0x00, 0x18, 0x7e, 0xff, 0x1b, 0x1f, 0x7e, 0xf8, 0xd8, 0xff, 0x7e, 0x18},
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{0x00, 0x00, 0x0e, 0x1b, 0xdb, 0x6e, 0x30, 0x18, 0x0c, 0x76, 0xdb, 0xd8, 0x70},
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{0x00, 0x00, 0x7f, 0xc6, 0xcf, 0xd8, 0x70, 0x70, 0xd8, 0xcc, 0xcc, 0x6c, 0x38},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x1c, 0x0c, 0x0e},
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{0x00, 0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c},
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{0x00, 0x00, 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30},
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{0x00, 0x00, 0x00, 0x00, 0x99, 0x5a, 0x3c, 0xff, 0x3c, 0x5a, 0x99, 0x00, 0x00},
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{0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18, 0x00, 0x00},
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{0x00, 0x00, 0x30, 0x18, 0x1c, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x00, 0x38, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x60, 0x60, 0x30, 0x30, 0x18, 0x18, 0x0c, 0x0c, 0x06, 0x06, 0x03, 0x03},
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{0x00, 0x00, 0x3c, 0x66, 0xc3, 0xe3, 0xf3, 0xdb, 0xcf, 0xc7, 0xc3, 0x66, 0x3c},
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{0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x38, 0x18},
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{0x00, 0x00, 0xff, 0xc0, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x03, 0xe7, 0x7e},
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{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x07, 0x7e, 0x07, 0x03, 0x03, 0xe7, 0x7e},
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{0x00, 0x00, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xff, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c},
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{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x07, 0xfe, 0xc0, 0xc0, 0xc0, 0xc0, 0xff},
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{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc7, 0xfe, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e},
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{0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x06, 0x03, 0x03, 0x03, 0xff},
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{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xe7, 0x7e, 0xe7, 0xc3, 0xc3, 0xe7, 0x7e},
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{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x03, 0x7f, 0xe7, 0xc3, 0xc3, 0xe7, 0x7e},
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{0x00, 0x00, 0x00, 0x38, 0x38, 0x00, 0x00, 0x38, 0x38, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x30, 0x18, 0x1c, 0x1c, 0x00, 0x00, 0x1c, 0x1c, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06},
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{0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60},
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{0x00, 0x00, 0x18, 0x00, 0x00, 0x18, 0x18, 0x0c, 0x06, 0x03, 0xc3, 0xc3, 0x7e},
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{0x00, 0x00, 0x3f, 0x60, 0xcf, 0xdb, 0xd3, 0xdd, 0xc3, 0x7e, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0x66, 0x3c, 0x18},
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{0x00, 0x00, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
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{0x00, 0x00, 0x7e, 0xe7, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e},
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{0x00, 0x00, 0xfc, 0xce, 0xc7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc7, 0xce, 0xfc},
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{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xff},
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{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xff},
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{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xcf, 0xc0, 0xc0, 0xc0, 0xc0, 0xe7, 0x7e},
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{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xff, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
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{0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e},
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{0x00, 0x00, 0x7c, 0xee, 0xc6, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06},
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{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6, 0xc3},
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{0x00, 0x00, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0},
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{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xdb, 0xff, 0xff, 0xe7, 0xc3},
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{0x00, 0x00, 0xc7, 0xc7, 0xcf, 0xcf, 0xdf, 0xdb, 0xfb, 0xf3, 0xf3, 0xe3, 0xe3},
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{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xe7, 0x7e},
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{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
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{0x00, 0x00, 0x3f, 0x6e, 0xdf, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0x66, 0x3c},
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{0x00, 0x00, 0xc3, 0xc6, 0xcc, 0xd8, 0xf0, 0xfe, 0xc7, 0xc3, 0xc3, 0xc7, 0xfe},
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{0x00, 0x00, 0x7e, 0xe7, 0x03, 0x03, 0x07, 0x7e, 0xe0, 0xc0, 0xc0, 0xe7, 0x7e},
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{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff},
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{0x00, 0x00, 0x7e, 0xe7, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
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{0x00, 0x00, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
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{0x00, 0x00, 0xc3, 0xe7, 0xff, 0xff, 0xdb, 0xdb, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3},
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{0x00, 0x00, 0xc3, 0x66, 0x66, 0x3c, 0x3c, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3},
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{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3},
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{0x00, 0x00, 0xff, 0xc0, 0xc0, 0x60, 0x30, 0x7e, 0x0c, 0x06, 0x03, 0x03, 0xff},
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{0x00, 0x00, 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c},
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{0x00, 0x03, 0x03, 0x06, 0x06, 0x0c, 0x0c, 0x18, 0x18, 0x30, 0x30, 0x60, 0x60},
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{0x00, 0x00, 0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3, 0x66, 0x3c, 0x18},
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{0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x38, 0x30, 0x70},
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{0x00, 0x00, 0x7f, 0xc3, 0xc3, 0x7f, 0x03, 0xc3, 0x7e, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xfe, 0xc3, 0xc3, 0xc3, 0xc3, 0xfe, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0},
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{0x00, 0x00, 0x7e, 0xc3, 0xc0, 0xc0, 0xc0, 0xc3, 0x7e, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x7f, 0xc3, 0xc3, 0xc3, 0xc3, 0x7f, 0x03, 0x03, 0x03, 0x03, 0x03},
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{0x00, 0x00, 0x7f, 0xc0, 0xc0, 0xfe, 0xc3, 0xc3, 0x7e, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x33, 0x1e},
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{0x7e, 0xc3, 0x03, 0x03, 0x7f, 0xc3, 0xc3, 0xc3, 0x7e, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xc3, 0xfe, 0xc0, 0xc0, 0xc0, 0xc0},
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{0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x18, 0x00},
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{0x38, 0x6c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x00, 0x00, 0x0c, 0x00},
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{0x00, 0x00, 0xc6, 0xcc, 0xf8, 0xf0, 0xd8, 0xcc, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0},
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{0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78},
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{0x00, 0x00, 0xdb, 0xdb, 0xdb, 0xdb, 0xdb, 0xdb, 0xfe, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00},
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{0xc0, 0xc0, 0xc0, 0xfe, 0xc3, 0xc3, 0xc3, 0xc3, 0xfe, 0x00, 0x00, 0x00, 0x00},
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{0x03, 0x03, 0x03, 0x7f, 0xc3, 0xc3, 0xc3, 0xc3, 0x7f, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xe0, 0xfe, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xfe, 0x03, 0x03, 0x7e, 0xc0, 0xc0, 0x7f, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x1c, 0x36, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x00},
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{0x00, 0x00, 0x7e, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x18, 0x3c, 0x3c, 0x66, 0x66, 0xc3, 0xc3, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc3, 0xe7, 0xff, 0xdb, 0xc3, 0xc3, 0xc3, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xc3, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0xc3, 0x00, 0x00, 0x00, 0x00},
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{0xc0, 0x60, 0x60, 0x30, 0x18, 0x3c, 0x66, 0x66, 0xc3, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xff, 0x60, 0x30, 0x18, 0x0c, 0x06, 0xff, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x0f, 0x18, 0x18, 0x18, 0x38, 0xf0, 0x38, 0x18, 0x18, 0x18, 0x0f},
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{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18},
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{0x00, 0x00, 0xf0, 0x18, 0x18, 0x18, 0x1c, 0x0f, 0x1c, 0x18, 0x18, 0x18, 0xf0},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x8f, 0xf1, 0x60, 0x00, 0x00, 0x00}};
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static const char VERTEX_SHADER_SOURCE[] = R"(
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layout(std140, push_constant) uniform PCBlock {
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vec2 char_size;
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vec2 offset;
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vec4 color;
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} PC;
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layout(location = 0) in vec4 ipos;
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layout(location = 5) in vec4 icol0;
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layout(location = 8) in vec3 itex0;
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layout(location = 0) out vec2 uv0;
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void main()
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{
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gl_Position = vec4(ipos.xy + PC.offset, 0.0f, 1.0f);
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gl_Position.y = -gl_Position.y;
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uv0 = itex0.xy * PC.char_size;
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}
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)";
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static const char FRAGMENT_SHADER_SOURCE[] = R"(
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layout(std140, push_constant) uniform PCBlock {
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vec2 char_size;
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vec2 offset;
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vec4 color;
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} PC;
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layout(set = 1, binding = 0) uniform sampler2D samp0;
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layout(location = 0) in vec2 uv0;
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layout(location = 0) out vec4 ocol0;
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void main()
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{
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ocol0 = texture(samp0, uv0) * PC.color;
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}
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)";
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RasterFont::RasterFont()
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{
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}
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RasterFont::~RasterFont()
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{
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if (m_vertex_shader != VK_NULL_HANDLE)
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vkDestroyShaderModule(g_vulkan_context->GetDevice(), m_vertex_shader, nullptr);
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if (m_fragment_shader != VK_NULL_HANDLE)
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vkDestroyShaderModule(g_vulkan_context->GetDevice(), m_fragment_shader, nullptr);
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}
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bool RasterFont::Initialize()
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{
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// Create shaders and texture
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if (!CreateShaders() || !CreateTexture())
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return false;
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return true;
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}
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bool RasterFont::CreateTexture()
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{
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// generate the texture
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std::vector<u32> texture_data(CHAR_WIDTH * CHAR_COUNT * CHAR_HEIGHT);
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for (int y = 0; y < CHAR_HEIGHT; y++)
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{
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for (int c = 0; c < CHAR_COUNT; c++)
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{
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for (int x = 0; x < CHAR_WIDTH; x++)
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{
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bool pixel = (0 != (rasters[c][y] & (1 << (CHAR_WIDTH - x - 1))));
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texture_data[CHAR_WIDTH * CHAR_COUNT * y + CHAR_WIDTH * c + x] = pixel ? -1 : 0;
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}
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}
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}
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// create the actual texture object
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m_texture =
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Texture2D::Create(CHAR_WIDTH * CHAR_COUNT, CHAR_HEIGHT, 1, 1, VK_FORMAT_R8G8B8A8_UNORM,
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VK_SAMPLE_COUNT_1_BIT, VK_IMAGE_VIEW_TYPE_2D, VK_IMAGE_TILING_OPTIMAL,
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VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT);
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if (!m_texture)
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return false;
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// create temporary buffer for uploading texture
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VkBufferCreateInfo buffer_info = {VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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nullptr,
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0,
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static_cast<VkDeviceSize>(texture_data.size() * sizeof(u32)),
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VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
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VK_SHARING_MODE_EXCLUSIVE,
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0,
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nullptr};
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VkBuffer temp_buffer;
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VkResult res = vkCreateBuffer(g_vulkan_context->GetDevice(), &buffer_info, nullptr, &temp_buffer);
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if (res != VK_SUCCESS)
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{
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LOG_VULKAN_ERROR(res, "vkCreateBuffer failed: ");
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return false;
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}
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VkMemoryRequirements memory_requirements;
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vkGetBufferMemoryRequirements(g_vulkan_context->GetDevice(), temp_buffer, &memory_requirements);
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uint32_t memory_type_index = g_vulkan_context->GetMemoryType(memory_requirements.memoryTypeBits,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
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VkMemoryAllocateInfo memory_allocate_info = {VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, nullptr,
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memory_requirements.size, memory_type_index};
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VkDeviceMemory temp_buffer_memory;
|
|
res = vkAllocateMemory(g_vulkan_context->GetDevice(), &memory_allocate_info, nullptr,
|
|
&temp_buffer_memory);
|
|
if (res != VK_SUCCESS)
|
|
{
|
|
LOG_VULKAN_ERROR(res, "vkAllocateMemory failed: ");
|
|
vkDestroyBuffer(g_vulkan_context->GetDevice(), temp_buffer, nullptr);
|
|
return false;
|
|
}
|
|
|
|
// Bind buffer to memory
|
|
res = vkBindBufferMemory(g_vulkan_context->GetDevice(), temp_buffer, temp_buffer_memory, 0);
|
|
if (res != VK_SUCCESS)
|
|
{
|
|
LOG_VULKAN_ERROR(res, "vkBindBufferMemory failed: ");
|
|
vkDestroyBuffer(g_vulkan_context->GetDevice(), temp_buffer, nullptr);
|
|
vkFreeMemory(g_vulkan_context->GetDevice(), temp_buffer_memory, nullptr);
|
|
return false;
|
|
}
|
|
|
|
// Copy into buffer
|
|
void* mapped_ptr;
|
|
res = vkMapMemory(g_vulkan_context->GetDevice(), temp_buffer_memory, 0, buffer_info.size, 0,
|
|
&mapped_ptr);
|
|
if (res != VK_SUCCESS)
|
|
{
|
|
LOG_VULKAN_ERROR(res, "vkMapMemory failed: ");
|
|
vkDestroyBuffer(g_vulkan_context->GetDevice(), temp_buffer, nullptr);
|
|
vkFreeMemory(g_vulkan_context->GetDevice(), temp_buffer_memory, nullptr);
|
|
return false;
|
|
}
|
|
|
|
// Copy texture data into staging buffer
|
|
memcpy(mapped_ptr, texture_data.data(), texture_data.size() * sizeof(u32));
|
|
vkUnmapMemory(g_vulkan_context->GetDevice(), temp_buffer_memory);
|
|
|
|
// Copy from staging buffer to the final texture
|
|
VkBufferImageCopy region = {0, CHAR_WIDTH * CHAR_COUNT,
|
|
CHAR_HEIGHT, {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
|
|
{0, 0, 0}, {CHAR_WIDTH * CHAR_COUNT, CHAR_HEIGHT, 1}};
|
|
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentInitCommandBuffer(),
|
|
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
|
|
vkCmdCopyBufferToImage(g_command_buffer_mgr->GetCurrentInitCommandBuffer(), temp_buffer,
|
|
m_texture->GetImage(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion);
|
|
|
|
// Free temp buffers after command buffer executes
|
|
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentInitCommandBuffer(),
|
|
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
|
|
g_command_buffer_mgr->DeferBufferDestruction(temp_buffer);
|
|
g_command_buffer_mgr->DeferDeviceMemoryDestruction(temp_buffer_memory);
|
|
return true;
|
|
}
|
|
|
|
bool RasterFont::CreateShaders()
|
|
{
|
|
m_vertex_shader = Util::CompileAndCreateVertexShader(VERTEX_SHADER_SOURCE);
|
|
m_fragment_shader = Util::CompileAndCreateFragmentShader(FRAGMENT_SHADER_SOURCE);
|
|
return m_vertex_shader != VK_NULL_HANDLE && m_fragment_shader != VK_NULL_HANDLE;
|
|
}
|
|
|
|
void RasterFont::PrintMultiLineText(VkRenderPass render_pass, const std::string& text,
|
|
float start_x, float start_y, u32 bbWidth, u32 bbHeight,
|
|
u32 color)
|
|
{
|
|
// skip empty strings
|
|
if (text.empty())
|
|
return;
|
|
|
|
UtilityShaderDraw draw(g_command_buffer_mgr->GetCurrentCommandBuffer(),
|
|
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_PUSH_CONSTANT),
|
|
render_pass, m_vertex_shader, VK_NULL_HANDLE, m_fragment_shader);
|
|
|
|
UtilityShaderVertex* vertices =
|
|
draw.ReserveVertices(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, text.length() * 6);
|
|
size_t num_vertices = 0;
|
|
if (!vertices)
|
|
return;
|
|
|
|
float delta_x = float(2 * CHAR_WIDTH) / float(bbWidth);
|
|
float delta_y = float(2 * CHAR_HEIGHT) / float(bbHeight);
|
|
float border_x = 2.0f / float(bbWidth);
|
|
float border_y = 4.0f / float(bbHeight);
|
|
|
|
float x = float(start_x);
|
|
float y = float(start_y);
|
|
|
|
for (const char& c : text)
|
|
{
|
|
if (c == '\n')
|
|
{
|
|
x = float(start_x);
|
|
y -= delta_y + border_y;
|
|
continue;
|
|
}
|
|
|
|
// do not print spaces, they can be skipped easily
|
|
if (c == ' ')
|
|
{
|
|
x += delta_x + border_x;
|
|
continue;
|
|
}
|
|
|
|
if (c < CHAR_OFFSET || c >= CHAR_COUNT + CHAR_OFFSET)
|
|
continue;
|
|
|
|
vertices[num_vertices].SetPosition(x, y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET), 0.0f);
|
|
num_vertices++;
|
|
|
|
vertices[num_vertices].SetPosition(x + delta_x, y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET + 1), 0.0f);
|
|
num_vertices++;
|
|
|
|
vertices[num_vertices].SetPosition(x + delta_x, y + delta_y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET + 1), 1.0f);
|
|
num_vertices++;
|
|
|
|
vertices[num_vertices].SetPosition(x, y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET), 0.0f);
|
|
num_vertices++;
|
|
|
|
vertices[num_vertices].SetPosition(x + delta_x, y + delta_y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET + 1), 1.0f);
|
|
num_vertices++;
|
|
|
|
vertices[num_vertices].SetPosition(x, y + delta_y);
|
|
vertices[num_vertices].SetTextureCoordinates(static_cast<float>(c - CHAR_OFFSET), 1.0f);
|
|
num_vertices++;
|
|
|
|
x += delta_x + border_x;
|
|
}
|
|
|
|
// skip all whitespace strings
|
|
if (num_vertices == 0)
|
|
return;
|
|
|
|
draw.CommitVertices(num_vertices);
|
|
|
|
struct PCBlock
|
|
{
|
|
float char_size[2];
|
|
float offset[2];
|
|
float color[4];
|
|
} pc_block = {};
|
|
|
|
pc_block.char_size[0] = 1.0f / static_cast<float>(CHAR_COUNT);
|
|
pc_block.char_size[1] = 1.0f;
|
|
|
|
// shadows
|
|
pc_block.offset[0] = 2.0f / bbWidth;
|
|
pc_block.offset[1] = -2.0f / bbHeight;
|
|
pc_block.color[3] = (color >> 24) / 255.0f;
|
|
|
|
draw.SetPushConstants(&pc_block, sizeof(pc_block));
|
|
draw.SetPSSampler(0, m_texture->GetView(), g_object_cache->GetLinearSampler());
|
|
|
|
// Setup alpha blending
|
|
BlendState blend_state = Util::GetNoBlendingBlendState();
|
|
blend_state.blend_enable = VK_TRUE;
|
|
blend_state.src_blend = VK_BLEND_FACTOR_SRC_ALPHA;
|
|
blend_state.blend_op = VK_BLEND_OP_ADD;
|
|
blend_state.dst_blend = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
|
|
draw.SetBlendState(blend_state);
|
|
|
|
draw.Draw();
|
|
|
|
// non-shadowed part
|
|
pc_block.offset[0] = 0.0f;
|
|
pc_block.offset[1] = 0.0f;
|
|
pc_block.color[0] = ((color >> 16) & 0xFF) / 255.0f;
|
|
pc_block.color[1] = ((color >> 8) & 0xFF) / 255.0f;
|
|
pc_block.color[2] = (color & 0xFF) / 255.0f;
|
|
draw.SetPushConstants(&pc_block, sizeof(pc_block));
|
|
draw.Draw();
|
|
}
|
|
|
|
} // namespace Vulkan
|