Adding generic immediate mode drawing API and migrating microprofile.
Future changes will move elemental-forms and imgui to the common API as well.
This commit is contained in:
Ben Vanik
367
src/xenia/ui/microprofile_drawer.cc
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367
src/xenia/ui/microprofile_drawer.cc
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@@ -0,0 +1,367 @@
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/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2015 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/ui/microprofile_drawer.h"
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#include <algorithm>
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#include "xenia/base/math.h"
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#include "xenia/ui/window.h"
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namespace xe {
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namespace ui {
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const int kMaxVertices = 16 << 10;
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const int kFontTextureWidth = 1024;
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const int kFontTextureHeight = 9;
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const int kFontCharWidth = 5;
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const int kFontCharHeight = 8;
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const uint8_t kFontData[] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x78, 0x38, 0x78,
|
||||
0x7c, 0x7c, 0x3c, 0x44, 0x38, 0x04, 0x44, 0x40, 0x44, 0x44, 0x38, 0x78,
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||||
0x38, 0x78, 0x38, 0x7c, 0x44, 0x44, 0x44, 0x44, 0x44, 0x7c, 0x00, 0x00,
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||||
0x40, 0x00, 0x04, 0x00, 0x18, 0x00, 0x40, 0x10, 0x08, 0x40, 0x30, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x00, 0x00, 0x38, 0x10, 0x38, 0x7c, 0x08, 0x7c, 0x1c, 0x7c, 0x38, 0x38,
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||||
0x10, 0x28, 0x28, 0x10, 0x00, 0x20, 0x10, 0x08, 0x10, 0x10, 0x00, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x20, 0x38, 0x38, 0x70, 0x00,
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||||
0x1c, 0x10, 0x00, 0x1c, 0x10, 0x70, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x28, 0x44, 0x44, 0x44, 0x40, 0x40, 0x40, 0x44,
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||||
0x10, 0x04, 0x48, 0x40, 0x6c, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x10,
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||||
0x44, 0x44, 0x44, 0x44, 0x44, 0x04, 0x00, 0x00, 0x40, 0x00, 0x04, 0x00,
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||||
0x24, 0x00, 0x40, 0x00, 0x00, 0x40, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x30,
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||||
0x44, 0x04, 0x18, 0x40, 0x20, 0x04, 0x44, 0x44, 0x10, 0x28, 0x28, 0x3c,
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||||
0x44, 0x50, 0x10, 0x10, 0x08, 0x54, 0x10, 0x00, 0x00, 0x00, 0x04, 0x00,
|
||||
0x00, 0x08, 0x00, 0x10, 0x44, 0x44, 0x40, 0x40, 0x04, 0x28, 0x00, 0x30,
|
||||
0x10, 0x18, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x44, 0x44, 0x40, 0x44, 0x40, 0x40, 0x40, 0x44, 0x10, 0x04, 0x50, 0x40,
|
||||
0x54, 0x64, 0x44, 0x44, 0x44, 0x44, 0x40, 0x10, 0x44, 0x44, 0x44, 0x28,
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||||
0x28, 0x08, 0x00, 0x38, 0x78, 0x3c, 0x3c, 0x38, 0x20, 0x38, 0x78, 0x30,
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||||
0x18, 0x44, 0x10, 0x6c, 0x78, 0x38, 0x78, 0x3c, 0x5c, 0x3c, 0x3c, 0x44,
|
||||
0x44, 0x44, 0x44, 0x44, 0x7c, 0x00, 0x4c, 0x10, 0x04, 0x08, 0x28, 0x78,
|
||||
0x40, 0x08, 0x44, 0x44, 0x10, 0x00, 0x7c, 0x50, 0x08, 0x50, 0x00, 0x20,
|
||||
0x04, 0x38, 0x10, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x10, 0x7c, 0x08,
|
||||
0x08, 0x54, 0x40, 0x20, 0x04, 0x44, 0x00, 0x30, 0x10, 0x18, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x78, 0x40, 0x44,
|
||||
0x78, 0x78, 0x40, 0x7c, 0x10, 0x04, 0x60, 0x40, 0x54, 0x54, 0x44, 0x78,
|
||||
0x44, 0x78, 0x38, 0x10, 0x44, 0x44, 0x54, 0x10, 0x10, 0x10, 0x00, 0x04,
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||||
0x44, 0x40, 0x44, 0x44, 0x78, 0x44, 0x44, 0x10, 0x08, 0x48, 0x10, 0x54,
|
||||
0x44, 0x44, 0x44, 0x44, 0x60, 0x40, 0x10, 0x44, 0x44, 0x44, 0x28, 0x44,
|
||||
0x08, 0x00, 0x54, 0x10, 0x18, 0x18, 0x48, 0x04, 0x78, 0x10, 0x38, 0x3c,
|
||||
0x10, 0x00, 0x28, 0x38, 0x10, 0x20, 0x00, 0x20, 0x04, 0x10, 0x7c, 0x00,
|
||||
0x7c, 0x00, 0x10, 0x00, 0x00, 0x20, 0x00, 0x04, 0x10, 0x5c, 0x40, 0x10,
|
||||
0x04, 0x00, 0x00, 0x60, 0x10, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x7c, 0x44, 0x40, 0x44, 0x40, 0x40, 0x4c, 0x44,
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||||
0x10, 0x04, 0x50, 0x40, 0x44, 0x4c, 0x44, 0x40, 0x54, 0x50, 0x04, 0x10,
|
||||
0x44, 0x44, 0x54, 0x28, 0x10, 0x20, 0x00, 0x3c, 0x44, 0x40, 0x44, 0x7c,
|
||||
0x20, 0x44, 0x44, 0x10, 0x08, 0x70, 0x10, 0x54, 0x44, 0x44, 0x44, 0x44,
|
||||
0x40, 0x38, 0x10, 0x44, 0x44, 0x54, 0x10, 0x44, 0x10, 0x00, 0x64, 0x10,
|
||||
0x20, 0x04, 0x7c, 0x04, 0x44, 0x20, 0x44, 0x04, 0x10, 0x00, 0x7c, 0x14,
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||||
0x20, 0x54, 0x00, 0x20, 0x04, 0x38, 0x10, 0x10, 0x00, 0x00, 0x20, 0x10,
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||||
0x10, 0x10, 0x7c, 0x08, 0x10, 0x58, 0x40, 0x08, 0x04, 0x00, 0x00, 0x30,
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||||
0x10, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x44, 0x44, 0x44, 0x44, 0x40, 0x40, 0x44, 0x44, 0x10, 0x44, 0x48, 0x40,
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0x44, 0x44, 0x44, 0x40, 0x48, 0x48, 0x44, 0x10, 0x44, 0x28, 0x6c, 0x44,
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||||
0x10, 0x40, 0x00, 0x44, 0x44, 0x40, 0x44, 0x40, 0x20, 0x3c, 0x44, 0x10,
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||||
0x08, 0x48, 0x10, 0x54, 0x44, 0x44, 0x44, 0x44, 0x40, 0x04, 0x12, 0x4c,
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||||
0x28, 0x54, 0x28, 0x3c, 0x20, 0x00, 0x44, 0x10, 0x40, 0x44, 0x08, 0x44,
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||||
0x44, 0x20, 0x44, 0x08, 0x00, 0x00, 0x28, 0x78, 0x44, 0x48, 0x00, 0x10,
|
||||
0x08, 0x54, 0x10, 0x10, 0x00, 0x00, 0x40, 0x00, 0x10, 0x08, 0x00, 0x10,
|
||||
0x00, 0x40, 0x40, 0x04, 0x04, 0x00, 0x00, 0x30, 0x10, 0x18, 0x00, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x78, 0x38, 0x78,
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||||
0x7c, 0x40, 0x3c, 0x44, 0x38, 0x38, 0x44, 0x7c, 0x44, 0x44, 0x38, 0x40,
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||||
0x34, 0x44, 0x38, 0x10, 0x38, 0x10, 0x44, 0x44, 0x10, 0x7c, 0x00, 0x3c,
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||||
0x78, 0x3c, 0x3c, 0x3c, 0x20, 0x04, 0x44, 0x38, 0x48, 0x44, 0x38, 0x44,
|
||||
0x44, 0x38, 0x78, 0x3c, 0x40, 0x78, 0x0c, 0x34, 0x10, 0x6c, 0x44, 0x04,
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0x7c, 0x00, 0x38, 0x38, 0x7c, 0x38, 0x08, 0x38, 0x38, 0x20, 0x38, 0x70,
|
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0x10, 0x00, 0x28, 0x10, 0x00, 0x34, 0x00, 0x08, 0x10, 0x10, 0x00, 0x20,
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0x00, 0x10, 0x00, 0x00, 0x20, 0x04, 0x00, 0x20, 0x10, 0x3c, 0x70, 0x00,
|
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0x1c, 0x00, 0x7c, 0x1c, 0x10, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x38, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x04,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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MicroprofileDrawer::MicroprofileDrawer(xe::ui::Window* window)
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: window_(window),
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graphics_context_(window->context()),
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vertices_(kMaxVertices) {
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SetupFont();
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}
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void MicroprofileDrawer::SetupFont() {
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// Setup font lookup table.
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for (uint32_t i = 0; i < xe::countof(font_description_.char_offsets); ++i) {
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font_description_.char_offsets[i] = 206;
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}
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for (uint32_t i = 'A'; i <= 'Z'; ++i) {
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font_description_.char_offsets[i] = (i - 'A') * 8 + 1;
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}
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for (uint32_t i = 'a'; i <= 'z'; ++i) {
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font_description_.char_offsets[i] = (i - 'a') * 8 + 217;
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}
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for (uint32_t i = '0'; i <= '9'; ++i) {
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font_description_.char_offsets[i] = (i - '0') * 8 + 433;
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}
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for (uint32_t i = '!'; i <= '/'; ++i) {
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font_description_.char_offsets[i] = (i - '!') * 8 + 513;
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}
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for (uint32_t i = ':'; i <= '@'; ++i) {
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font_description_.char_offsets[i] = (i - ':') * 8 + 625 + 8;
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}
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for (uint32_t i = '['; i <= '_'; ++i) {
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font_description_.char_offsets[i] = (i - '[') * 8 + 681 + 8;
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}
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for (uint32_t i = '{'; i <= '~'; ++i) {
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font_description_.char_offsets[i] = (i - '{') * 8 + 721 + 8;
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}
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// Unpack font bitmap into an RGBA texture.
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const int UNPACKED_SIZE = kFontTextureWidth * kFontTextureHeight * 4;
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uint32_t unpacked[UNPACKED_SIZE];
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int idx = 0;
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int end = kFontTextureWidth * kFontTextureHeight / 8;
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for (int i = 0; i < end; i++) {
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uint8_t b = kFontData[i];
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for (int j = 0; j < 8; ++j) {
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unpacked[idx++] = b & 0x80 ? 0xFFFFFFFFu : 0;
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b <<= 1;
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}
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}
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font_texture_ = graphics_context_->immediate_drawer()->CreateTexture(
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kFontTextureWidth, kFontTextureHeight, ImmediateTextureFilter::kNearest,
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false, reinterpret_cast<uint8_t*>(unpacked));
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}
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|
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MicroprofileDrawer::~MicroprofileDrawer() { font_texture_.reset(); }
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void MicroprofileDrawer::Begin() {
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graphics_context_->immediate_drawer()->Begin(window_->width(),
|
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window_->height());
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}
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|
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void MicroprofileDrawer::End() {
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Flush();
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graphics_context_->immediate_drawer()->End();
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}
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|
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ImmediateVertex* MicroprofileDrawer::BeginVertices(
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ImmediatePrimitiveType primitive_type, int count) {
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if (vertex_count_ + count > vertices_.size() ||
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primitive_type != current_primitive_type_) {
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Flush();
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}
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current_primitive_type_ = primitive_type;
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auto ptr = vertices_.data() + vertex_count_;
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vertex_count_ += count;
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return ptr;
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}
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void MicroprofileDrawer::EndVertices() {}
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void MicroprofileDrawer::Flush() {
|
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if (!vertex_count_) {
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return;
|
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}
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ImmediateDrawBatch batch;
|
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batch.primitive_type = current_primitive_type_;
|
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batch.vertices = vertices_.data();
|
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batch.vertex_count = vertex_count_;
|
||||
batch.texture_handle = font_texture_->handle;
|
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graphics_context_->immediate_drawer()->Draw(batch);
|
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vertex_count_ = 0;
|
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}
|
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|
||||
#define Q0(d, member, v) d[0].member = v
|
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#define Q1(d, member, v) \
|
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d[1].member = v; \
|
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d[3].member = v
|
||||
#define Q2(d, member, v) d[4].member = v
|
||||
#define Q3(d, member, v) \
|
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d[2].member = v; \
|
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d[5].member = v
|
||||
|
||||
void MicroprofileDrawer::DrawBox(int x0, int y0, int x1, int y1, uint32_t color,
|
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BoxType type) {
|
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auto v = BeginVertices(ImmediatePrimitiveType::kTriangles, 6);
|
||||
if (type == BoxType::kFlat) {
|
||||
color =
|
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((color & 0xff) << 16) | ((color >> 16) & 0xff) | (0xff00ff00 & color);
|
||||
Q0(v, x, static_cast<float>(x0));
|
||||
Q0(v, y, static_cast<float>(y0));
|
||||
Q0(v, color, color);
|
||||
Q0(v, u, 2.0f);
|
||||
Q0(v, v, 2.0f);
|
||||
Q1(v, x, static_cast<float>(x1));
|
||||
Q1(v, y, static_cast<float>(y0));
|
||||
Q1(v, color, color);
|
||||
Q1(v, u, 2.0f);
|
||||
Q1(v, v, 2.0f);
|
||||
Q2(v, x, static_cast<float>(x1));
|
||||
Q2(v, y, static_cast<float>(y1));
|
||||
Q2(v, color, color);
|
||||
Q2(v, u, 2.0f);
|
||||
Q2(v, v, 2.0f);
|
||||
Q3(v, x, static_cast<float>(x0));
|
||||
Q3(v, y, static_cast<float>(y1));
|
||||
Q3(v, color, color);
|
||||
Q3(v, u, 2.0f);
|
||||
Q3(v, v, 2.0f);
|
||||
} else {
|
||||
uint32_t r = 0xff & (color >> 16);
|
||||
uint32_t g = 0xff & (color >> 8);
|
||||
uint32_t b = 0xff & color;
|
||||
uint32_t nMax = std::max(std::max(std::max(r, g), b), 30u);
|
||||
uint32_t nMin = std::min(std::min(std::min(r, g), b), 180u);
|
||||
|
||||
uint32_t r0 = 0xff & ((r + nMax) / 2);
|
||||
uint32_t g0 = 0xff & ((g + nMax) / 2);
|
||||
uint32_t b0 = 0xff & ((b + nMax) / 2);
|
||||
|
||||
uint32_t r1 = 0xff & ((r + nMin) / 2);
|
||||
uint32_t g1 = 0xff & ((g + nMin) / 2);
|
||||
uint32_t b1 = 0xff & ((b + nMin) / 2);
|
||||
uint32_t color0 = (r0 << 0) | (g0 << 8) | (b0 << 16) | (0xff000000 & color);
|
||||
uint32_t color1 = (r1 << 0) | (g1 << 8) | (b1 << 16) | (0xff000000 & color);
|
||||
Q0(v, x, static_cast<float>(x0));
|
||||
Q0(v, y, static_cast<float>(y0));
|
||||
Q0(v, color, color0);
|
||||
Q0(v, u, 2.0f);
|
||||
Q0(v, v, 2.0f);
|
||||
Q1(v, x, static_cast<float>(x1));
|
||||
Q1(v, y, static_cast<float>(y0));
|
||||
Q1(v, color, color0);
|
||||
Q1(v, u, 3.0f);
|
||||
Q1(v, v, 2.0f);
|
||||
Q2(v, x, static_cast<float>(x1));
|
||||
Q2(v, y, static_cast<float>(y1));
|
||||
Q2(v, color, color1);
|
||||
Q2(v, u, 3.0f);
|
||||
Q2(v, v, 3.0f);
|
||||
Q3(v, x, static_cast<float>(x0));
|
||||
Q3(v, y, static_cast<float>(y1));
|
||||
Q3(v, color, color1);
|
||||
Q3(v, u, 2.0f);
|
||||
Q3(v, v, 3.0f);
|
||||
}
|
||||
EndVertices();
|
||||
}
|
||||
|
||||
void MicroprofileDrawer::DrawLine2D(uint32_t count, float* vertices,
|
||||
uint32_t color) {
|
||||
if (!count || !vertices) {
|
||||
return;
|
||||
}
|
||||
auto v = BeginVertices(ImmediatePrimitiveType::kLines, 2 * (count - 1));
|
||||
color = 0xff000000 | ((color & 0xff) << 16) | (color & 0xff00ff00) |
|
||||
((color >> 16) & 0xff);
|
||||
for (uint32_t i = 0; i < count - 1; ++i) {
|
||||
v[0].x = vertices[i * 2];
|
||||
v[0].y = vertices[i * 2 + 1];
|
||||
v[0].color = color;
|
||||
v[0].u = 2.0f;
|
||||
v[0].v = 2.0f;
|
||||
v[1].x = vertices[(i + 1) * 2];
|
||||
v[1].y = vertices[(i + 1) * 2 + 1];
|
||||
v[1].color = color;
|
||||
v[1].u = 2.0f;
|
||||
v[1].v = 2.0f;
|
||||
v += 2;
|
||||
}
|
||||
EndVertices();
|
||||
}
|
||||
|
||||
void MicroprofileDrawer::DrawText(int x, int y, uint32_t color,
|
||||
const char* text, int text_length) {
|
||||
if (!text_length) {
|
||||
return;
|
||||
}
|
||||
|
||||
const float fOffsetU = kFontCharWidth / static_cast<float>(kFontTextureWidth);
|
||||
float fX = static_cast<float>(x);
|
||||
float fY = static_cast<float>(y);
|
||||
float fY2 = fY + (kFontCharHeight + 1);
|
||||
|
||||
auto v = BeginVertices(ImmediatePrimitiveType::kTriangles, 6 * text_length);
|
||||
const char* pStr = text;
|
||||
color = 0xff000000 | ((color & 0xff) << 16) | (color & 0xff00) |
|
||||
((color >> 16) & 0xff);
|
||||
|
||||
for (size_t j = 0; j < text_length; ++j) {
|
||||
int16_t char_offset = font_description_.char_offsets[*pStr++];
|
||||
float fOffset = char_offset / 1024.0f;
|
||||
Q0(v, x, fX);
|
||||
Q0(v, y, fY);
|
||||
Q0(v, color, color);
|
||||
Q0(v, u, fOffset);
|
||||
Q0(v, v, 0.0f);
|
||||
|
||||
Q1(v, x, fX + kFontCharWidth);
|
||||
Q1(v, y, fY);
|
||||
Q1(v, color, color);
|
||||
Q1(v, u, fOffset + fOffsetU);
|
||||
Q1(v, v, 0.0f);
|
||||
|
||||
Q2(v, x, fX + kFontCharWidth);
|
||||
Q2(v, y, fY2);
|
||||
Q2(v, color, color);
|
||||
Q2(v, u, fOffset + fOffsetU);
|
||||
Q2(v, v, 1.0f);
|
||||
|
||||
Q3(v, x, fX);
|
||||
Q3(v, y, fY2);
|
||||
Q3(v, color, color);
|
||||
Q3(v, u, fOffset);
|
||||
Q3(v, v, 1.0f);
|
||||
|
||||
fX += kFontCharWidth + 1;
|
||||
v += 6;
|
||||
}
|
||||
|
||||
EndVertices();
|
||||
}
|
||||
|
||||
} // namespace ui
|
||||
} // namespace xe
|
||||
Reference in New Issue
Block a user