mirror of https://github.com/bkaradzic/bgfx
converted 10-font to entry::AppI (#1154)
This commit is contained in:
attilaz
Branimir Karadžić
parent
4e8f944d1a
commit
60fbe0a863
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@ -35,242 +35,278 @@ TrueTypeHandle loadTtf(FontManager* _fm, const char* _filePath)
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return invalid;
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}
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int _main_(int _argc, char** _argv)
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const char* fontFilePath[7] =
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{
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Args args(_argc, _argv);
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"font/droidsans.ttf",
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"font/chp-fire.ttf",
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"font/bleeding_cowboys.ttf",
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"font/mias_scribblings.ttf",
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"font/ruritania.ttf",
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"font/signika-regular.ttf",
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"font/five_minutes.otf",
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};
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uint32_t width = 1280;
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uint32_t height = 720;
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uint32_t debug = BGFX_DEBUG_TEXT;
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uint32_t reset = BGFX_RESET_VSYNC;
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bgfx::init(args.m_type, args.m_pciId);
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bgfx::reset(width, height, reset);
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// Enable debug text.
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bgfx::setDebug(debug);
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// Set view 0 clear state.
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bgfx::setViewClear(0
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, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH
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, 0x303030ff
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, 1.0f
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, 0
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);
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// Init the text rendering system.
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FontManager* fontManager = new FontManager(512);
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TextBufferManager* textBufferManager = new TextBufferManager(fontManager);
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// Load some TTF files.
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const char* fontFilePath[7] =
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class ExampleFont : public entry::AppI
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{
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void init(int _argc, char** _argv) BX_OVERRIDE
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{
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"font/droidsans.ttf",
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"font/chp-fire.ttf",
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"font/bleeding_cowboys.ttf",
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"font/mias_scribblings.ttf",
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"font/ruritania.ttf",
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"font/signika-regular.ttf",
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"font/five_minutes.otf",
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};
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const uint32_t numFonts = BX_COUNTOF(fontFilePath);
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TrueTypeHandle fontFiles[numFonts];
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FontHandle fonts[numFonts];
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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{
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// Instantiate a usable font.
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fontFiles[ii] = loadTtf(fontManager, fontFilePath[ii]);
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fonts[ii] = fontManager->createFontByPixelSize(fontFiles[ii], 0, 32);
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// Preload glyphs and blit them to atlas.
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fontManager->preloadGlyph(fonts[ii], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n");
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// You can unload the truetype files at this stage, but in that
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// case, the set of glyph's will be limited to the set of preloaded
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// glyph.
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fontManager->destroyTtf(fontFiles[ii]);
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}
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TrueTypeHandle fontAwesomeTtf = loadTtf(fontManager, "font/fontawesome-webfont.ttf");
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TrueTypeHandle fontKenneyTtf = loadTtf(fontManager, "font/kenney-icon-font.ttf");
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// This font doesn't have any preloaded glyph's but the truetype file
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// is loaded so glyph will be generated as needed.
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FontHandle fontAwesome72 = fontManager->createFontByPixelSize(fontAwesomeTtf, 0, 72);
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FontHandle fontKenney64 = fontManager->createFontByPixelSize(fontKenneyTtf, 0, 64);
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TrueTypeHandle visitorTtf = loadTtf(fontManager, "font/visitor1.ttf");
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// This font doesn't have any preloaded glyph's but the truetype file
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// is loaded so glyph will be generated as needed.
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FontHandle visitor10 = fontManager->createFontByPixelSize(visitorTtf, 0, 10);
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//create a static text buffer compatible with alpha font
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//a static text buffer content cannot be modified after its first submit.
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TextBufferHandle staticText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Static);
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// The pen position represent the top left of the box of the first line
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// of text.
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textBufferManager->setPenPosition(staticText, 24.0f, 100.0f);
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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{
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// Add some text to the buffer.
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// The position of the pen is adjusted when there is an endline.
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textBufferManager->appendText(staticText, fonts[ii], L"The quick brown fox jumps over the lazy dog\n");
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}
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// Now write some styled text.
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// Setup style colors.
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textBufferManager->setBackgroundColor(staticText, 0x551111ff);
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textBufferManager->setUnderlineColor(staticText, 0xff2222ff);
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textBufferManager->setOverlineColor(staticText, 0x2222ffff);
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textBufferManager->setStrikeThroughColor(staticText, 0x22ff22ff);
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// Background.
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textBufferManager->setStyle(staticText, STYLE_BACKGROUND);
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textBufferManager->appendText(staticText, fonts[0], L"The quick ");
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// Strike-through.
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textBufferManager->setStyle(staticText, STYLE_STRIKE_THROUGH);
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textBufferManager->appendText(staticText, fonts[0], L"brown fox ");
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// Overline.
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textBufferManager->setStyle(staticText, STYLE_OVERLINE);
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textBufferManager->appendText(staticText, fonts[0], L"jumps over ");
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// Underline.
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textBufferManager->setStyle(staticText, STYLE_UNDERLINE);
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textBufferManager->appendText(staticText, fonts[0], L"the lazy ");
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// Background + strike-through.
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textBufferManager->setStyle(staticText, STYLE_BACKGROUND | STYLE_STRIKE_THROUGH);
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textBufferManager->appendText(staticText, fonts[0], L"dog\n");
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textBufferManager->setStyle(staticText, STYLE_NORMAL);
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textBufferManager->appendText(staticText, fontAwesome72,
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" " ICON_FA_POWER_OFF
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" " ICON_FA_TWITTER_SQUARE
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" " ICON_FA_CERTIFICATE
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" " ICON_FA_FLOPPY_O
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" " ICON_FA_GITHUB
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" " ICON_FA_GITHUB_ALT
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"\n"
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);
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textBufferManager->appendText(staticText, fontKenney64,
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" " ICON_KI_COMPUTER
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" " ICON_KI_JOYSTICK
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" " ICON_KI_EXLAMATION
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" " ICON_KI_STAR
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" " ICON_KI_BUTTON_START
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" " ICON_KI_DOWNLOAD
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"\n"
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);
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// Create a transient buffer for real-time data.
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TextBufferHandle transientText = textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Transient);
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while (!entry::processEvents(width, height, debug, reset) )
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{
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// This dummy draw call is here to make sure that view 0 is cleared
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// if no other draw calls are submitted to view 0.
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bgfx::touch(0);
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int64_t now = bx::getHPCounter();
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static int64_t last = now;
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const int64_t frameTime = now - last;
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last = now;
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const double freq = double(bx::getHPFrequency() );
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const double toMs = 1000.0 / freq;
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// Use debug font to print information about this example.
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bgfx::dbgTextClear();
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bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/10-font");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Use the font system to display text and styled text.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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// Use transient text to display debug information.
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wchar_t fpsText[64];
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bx::swnprintf(fpsText, BX_COUNTOF(fpsText), L"Frame: % 7.3f[ms]", double(frameTime) * toMs);
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textBufferManager->clearTextBuffer(transientText);
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textBufferManager->setPenPosition(transientText, width - 150.0f, 10.0f);
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textBufferManager->appendText(transientText, visitor10, L"Transient\n");
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textBufferManager->appendText(transientText, visitor10, L"text buffer\n");
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textBufferManager->appendText(transientText, visitor10, fpsText);
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float at[3] = { 0, 0, 0.0f };
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float eye[3] = { 0, 0, -1.0f };
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float view[16];
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bx::mtxLookAt(view, eye, at);
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const float centering = 0.5f;
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// Setup a top-left ortho matrix for screen space drawing.
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const bgfx::HMD* hmd = bgfx::getHMD();
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if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
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Args args(_argc, _argv);
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m_width = 1280;
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m_height = 720;
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m_debug = BGFX_DEBUG_TEXT;
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m_reset = BGFX_RESET_VSYNC;
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bgfx::init(args.m_type, args.m_pciId);
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bgfx::reset(m_width, m_height, m_reset);
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// Enable debug text.
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bgfx::setDebug(m_debug);
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// Set view 0 clear state.
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bgfx::setViewClear(0
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, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH
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, 0x303030ff
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, 1.0f
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, 0
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);
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// Init the text rendering system.
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m_fontManager = new FontManager(512);
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m_textBufferManager = new TextBufferManager(m_fontManager);
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// Load some TTF files.
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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{
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float proj[16];
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bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
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static float time = 0.0f;
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time += 0.05f;
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const float dist = 10.0f;
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const float offset0 = -proj[8] + (hmd->eye[0].viewOffset[0] / dist * proj[0]);
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const float offset1 = -proj[8] + (hmd->eye[1].viewOffset[0] / dist * proj[0]);
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float ortho[2][16];
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const float offsetx = width/2.0f;
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bx::mtxOrtho(ortho[0], centering, offsetx + centering, height + centering, centering, -1.0f, 1.0f, offset0);
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bx::mtxOrtho(ortho[1], centering, offsetx + centering, height + centering, centering, -1.0f, 1.0f, offset1);
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bgfx::setViewTransform(0, view, ortho[0], BGFX_VIEW_STEREO, ortho[1]);
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bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
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// Instantiate a usable font.
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m_fontFiles[ii] = loadTtf(m_fontManager, fontFilePath[ii]);
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m_fonts[ii] = m_fontManager->createFontByPixelSize(m_fontFiles[ii], 0, 32);
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// Preload glyphs and blit them to atlas.
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m_fontManager->preloadGlyph(m_fonts[ii], L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. \n");
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// You can unload the truetype files at this stage, but in that
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// case, the set of glyph's will be limited to the set of preloaded
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// glyph.
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m_fontManager->destroyTtf(m_fontFiles[ii]);
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}
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else
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m_fontAwesomeTtf = loadTtf(m_fontManager, "font/fontawesome-webfont.ttf");
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m_fontKenneyTtf = loadTtf(m_fontManager, "font/kenney-icon-font.ttf");
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// This font doesn't have any preloaded glyph's but the truetype file
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// is loaded so glyph will be generated as needed.
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m_fontAwesome72 = m_fontManager->createFontByPixelSize(m_fontAwesomeTtf, 0, 72);
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m_fontKenney64 = m_fontManager->createFontByPixelSize(m_fontKenneyTtf, 0, 64);
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m_visitorTtf = loadTtf(m_fontManager, "font/visitor1.ttf");
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// This font doesn't have any preloaded glyph's but the truetype file
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// is loaded so glyph will be generated as needed.
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m_visitor10 = m_fontManager->createFontByPixelSize(m_visitorTtf, 0, 10);
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//create a static text buffer compatible with alpha font
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//a static text buffer content cannot be modified after its first submit.
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m_staticText = m_textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Static);
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// The pen position represent the top left of the box of the first line
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// of text.
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m_textBufferManager->setPenPosition(m_staticText, 24.0f, 100.0f);
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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{
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float ortho[16];
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bx::mtxOrtho(ortho, centering, width + centering, height + centering, centering, -1.0f, 1.0f, bgfx::getCaps()->homogeneousDepth);
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bgfx::setViewTransform(0, view, ortho);
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bgfx::setViewRect(0, 0, 0, uint16_t(width), uint16_t(height) );
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// Add some text to the buffer.
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// The position of the pen is adjusted when there is an endline.
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m_textBufferManager->appendText(m_staticText, m_fonts[ii], L"The quick brown fox jumps over the lazy dog\n");
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}
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// Submit the debug text.
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textBufferManager->submitTextBuffer(transientText, 0);
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// Submit the static text.
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textBufferManager->submitTextBuffer(staticText, 0);
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// Advance to next frame. Rendering thread will be kicked to
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// process submitted rendering primitives.
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bgfx::frame();
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// Now write some styled text.
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// Setup style colors.
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m_textBufferManager->setBackgroundColor(m_staticText, 0x551111ff);
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m_textBufferManager->setUnderlineColor(m_staticText, 0xff2222ff);
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m_textBufferManager->setOverlineColor(m_staticText, 0x2222ffff);
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m_textBufferManager->setStrikeThroughColor(m_staticText, 0x22ff22ff);
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// Background.
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m_textBufferManager->setStyle(m_staticText, STYLE_BACKGROUND);
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m_textBufferManager->appendText(m_staticText, m_fonts[0], L"The quick ");
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// Strike-through.
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m_textBufferManager->setStyle(m_staticText, STYLE_STRIKE_THROUGH);
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m_textBufferManager->appendText(m_staticText, m_fonts[0], L"brown fox ");
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// Overline.
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m_textBufferManager->setStyle(m_staticText, STYLE_OVERLINE);
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m_textBufferManager->appendText(m_staticText, m_fonts[0], L"jumps over ");
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// Underline.
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m_textBufferManager->setStyle(m_staticText, STYLE_UNDERLINE);
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m_textBufferManager->appendText(m_staticText, m_fonts[0], L"the lazy ");
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// Background + strike-through.
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m_textBufferManager->setStyle(m_staticText, STYLE_BACKGROUND | STYLE_STRIKE_THROUGH);
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m_textBufferManager->appendText(m_staticText, m_fonts[0], L"dog\n");
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m_textBufferManager->setStyle(m_staticText, STYLE_NORMAL);
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m_textBufferManager->appendText(m_staticText, m_fontAwesome72,
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" " ICON_FA_POWER_OFF
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" " ICON_FA_TWITTER_SQUARE
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" " ICON_FA_CERTIFICATE
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" " ICON_FA_FLOPPY_O
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" " ICON_FA_GITHUB
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" " ICON_FA_GITHUB_ALT
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"\n"
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);
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m_textBufferManager->appendText(m_staticText, m_fontKenney64,
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" " ICON_KI_COMPUTER
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" " ICON_KI_JOYSTICK
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" " ICON_KI_EXLAMATION
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" " ICON_KI_STAR
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" " ICON_KI_BUTTON_START
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" " ICON_KI_DOWNLOAD
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"\n"
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);
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// Create a transient buffer for real-time data.
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m_transientText = m_textBufferManager->createTextBuffer(FONT_TYPE_ALPHA, BufferType::Transient);
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}
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fontManager->destroyTtf(fontKenneyTtf);
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fontManager->destroyTtf(fontAwesomeTtf);
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fontManager->destroyTtf(visitorTtf);
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// Destroy the fonts.
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fontManager->destroyFont(fontKenney64);
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fontManager->destroyFont(fontAwesome72);
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fontManager->destroyFont(visitor10);
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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virtual int shutdown() BX_OVERRIDE
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{
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fontManager->destroyFont(fonts[ii]);
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m_fontManager->destroyTtf(m_fontKenneyTtf);
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m_fontManager->destroyTtf(m_fontAwesomeTtf);
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m_fontManager->destroyTtf(m_visitorTtf);
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// Destroy the fonts.
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m_fontManager->destroyFont(m_fontKenney64);
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m_fontManager->destroyFont(m_fontAwesome72);
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m_fontManager->destroyFont(m_visitor10);
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for (uint32_t ii = 0; ii < numFonts; ++ii)
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{
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m_fontManager->destroyFont(m_fonts[ii]);
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}
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m_textBufferManager->destroyTextBuffer(m_staticText);
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m_textBufferManager->destroyTextBuffer(m_transientText);
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delete m_textBufferManager;
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delete m_fontManager;
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// Shutdown bgfx.
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bgfx::shutdown();
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return 0;
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}
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bool update() BX_OVERRIDE
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{
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if (!entry::processEvents(m_width, m_height, m_debug, m_reset) )
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{
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// This dummy draw call is here to make sure that view 0 is cleared
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// if no other draw calls are submitted to view 0.
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bgfx::touch(0);
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int64_t now = bx::getHPCounter();
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static int64_t last = now;
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const int64_t frameTime = now - last;
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last = now;
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const double freq = double(bx::getHPFrequency() );
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const double toMs = 1000.0 / freq;
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// Use debug font to print information about this example.
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bgfx::dbgTextClear();
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bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/10-font");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Use the font system to display text and styled text.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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// Use transient text to display debug information.
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wchar_t fpsText[64];
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bx::swnprintf(fpsText, BX_COUNTOF(fpsText), L"Frame: % 7.3f[ms]", double(frameTime) * toMs);
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m_textBufferManager->clearTextBuffer(m_transientText);
|
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m_textBufferManager->setPenPosition(m_transientText, m_width - 150.0f, 10.0f);
|
||||
m_textBufferManager->appendText(m_transientText, m_visitor10, L"Transient\n");
|
||||
m_textBufferManager->appendText(m_transientText, m_visitor10, L"text buffer\n");
|
||||
m_textBufferManager->appendText(m_transientText, m_visitor10, fpsText);
|
||||
|
||||
float at[3] = { 0, 0, 0.0f };
|
||||
float eye[3] = { 0, 0, -1.0f };
|
||||
|
||||
float view[16];
|
||||
bx::mtxLookAt(view, eye, at);
|
||||
|
||||
const float centering = 0.5f;
|
||||
|
||||
// Setup a top-left ortho matrix for screen space drawing.
|
||||
const bgfx::HMD* hmd = bgfx::getHMD();
|
||||
if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
|
||||
{
|
||||
float proj[16];
|
||||
bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
|
||||
|
||||
static float time = 0.0f;
|
||||
time += 0.05f;
|
||||
|
||||
const float dist = 10.0f;
|
||||
const float offset0 = -proj[8] + (hmd->eye[0].viewOffset[0] / dist * proj[0]);
|
||||
const float offset1 = -proj[8] + (hmd->eye[1].viewOffset[0] / dist * proj[0]);
|
||||
|
||||
float ortho[2][16];
|
||||
const float offsetx = m_width/2.0f;
|
||||
bx::mtxOrtho(ortho[0], centering, offsetx + centering, m_height + centering, centering, -1.0f, 1.0f, offset0);
|
||||
bx::mtxOrtho(ortho[1], centering, offsetx + centering, m_height + centering, centering, -1.0f, 1.0f, offset1);
|
||||
bgfx::setViewTransform(0, view, ortho[0], BGFX_VIEW_STEREO, ortho[1]);
|
||||
bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
|
||||
}
|
||||
else
|
||||
{
|
||||
float ortho[16];
|
||||
bx::mtxOrtho(ortho, centering, m_width + centering, m_height + centering, centering, -1.0f, 1.0f, bgfx::getCaps()->homogeneousDepth);
|
||||
bgfx::setViewTransform(0, view, ortho);
|
||||
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
|
||||
}
|
||||
|
||||
// Submit the debug text.
|
||||
m_textBufferManager->submitTextBuffer(m_transientText, 0);
|
||||
|
||||
// Submit the static text.
|
||||
m_textBufferManager->submitTextBuffer(m_staticText, 0);
|
||||
|
||||
// Advance to next frame. Rendering thread will be kicked to
|
||||
// process submitted rendering primitives.
|
||||
bgfx::frame();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32_t m_width;
|
||||
uint32_t m_height;
|
||||
uint32_t m_debug;
|
||||
uint32_t m_reset;
|
||||
|
||||
FontManager* m_fontManager;
|
||||
TextBufferManager* m_textBufferManager;
|
||||
|
||||
FontHandle m_visitor10;
|
||||
TrueTypeHandle m_fontAwesomeTtf;
|
||||
TrueTypeHandle m_fontKenneyTtf;
|
||||
FontHandle m_fontAwesome72;
|
||||
FontHandle m_fontKenney64;
|
||||
TrueTypeHandle m_visitorTtf;
|
||||
|
||||
TextBufferHandle m_transientText;
|
||||
TextBufferHandle m_staticText;
|
||||
|
||||
static const uint32_t numFonts = BX_COUNTOF(fontFilePath);
|
||||
|
||||
TrueTypeHandle m_fontFiles[numFonts];
|
||||
FontHandle m_fonts[numFonts];
|
||||
|
||||
};
|
||||
|
||||
textBufferManager->destroyTextBuffer(staticText);
|
||||
textBufferManager->destroyTextBuffer(transientText);
|
||||
|
||||
delete textBufferManager;
|
||||
delete fontManager;
|
||||
|
||||
// Shutdown bgfx.
|
||||
bgfx::shutdown();
|
||||
|
||||
return 0;
|
||||
}
|
||||
ENTRY_IMPLEMENT_MAIN(ExampleFont);
|
||||
|
|
|
|||
Loading…
Reference in New Issue