mirror of
https://github.com/bkaradzic/bgfx.git
synced 2026-02-18 04:53:06 +01:00
Vector Display to entry::AppI (#1164)
This commit is contained in:
attilaz
committed by
Branimir Karadžić
Branimir Karadžić
parent
96f6d4f01e
commit
ab2d8a7bcc
@@ -30,144 +30,167 @@ struct PosColorVertex
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bgfx::VertexDecl PosColorVertex::ms_decl;
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int _main_(int _argc, char** _argv)
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class ExampleVectorDisplay : public entry::AppI
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{
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Args args(_argc, _argv);
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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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const bgfx::RendererType::Enum renderer = bgfx::getRendererType();
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float texelHalf = bgfx::RendererType::Direct3D9 == renderer ? 0.5f : 0.0f;
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bool originBottomLeft = bgfx::RendererType::OpenGL == renderer
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|| bgfx::RendererType::OpenGLES == renderer;
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VectorDisplay vd(originBottomLeft, texelHalf);
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vd.setup(uint16_t(width), uint16_t(height) );
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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, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x303030ff, 1.0f, 0);
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// Create vertex stream declaration.
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PosColorVertex::init();
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float at[3] = { 0.0f, 0.0f, 0.0f };
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float eye[3] = { 0.0f, 0.0f, -35.0f };
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uint32_t oldWidth = width;
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uint32_t oldHeight = height;
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while (!entry::processEvents(width, height, debug, reset) )
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void init(int _argc, char** _argv) BX_OVERRIDE
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{
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if (oldWidth != width
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|| oldHeight != height)
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{
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oldWidth = width;
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oldHeight = height;
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vd.resize(uint16_t(width), uint16_t(height) );
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}
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float view[16];
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float proj[16];
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bx::mtxLookAt(view, eye, at);
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bx::mtxProj(proj, 60.0f, float(width) / float(height), 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
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// Set view and projection matrix for view 0.
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bgfx::setViewTransform(0, view, proj);
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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, uint16_t(width), uint16_t(height) );
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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/23-vectordisplay");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering lines as oldschool vectors.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime) * toMs);
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vd.beginFrame();
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//simplex test
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vd.setDrawColor(0.7f, 0.7f, 1.0f);
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vd.drawSimplexFont(50.0f, 80.0f, 1.5f, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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vd.drawSimplexFont(50.0f, 140.0f, 1.5f, "abcdefghijklmnopqrstuvwxyz");
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vd.drawSimplexFont(50.0f, 200.0f, 1.5f, "!@#$%^&*()-=<>/?;:'\"{}[]|\\+=-_");
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vd.setDrawColor(1.0f, 0.7f, 0.7f);
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//test pattern for lines
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for (int ii = 0; ii < 4; ii++)
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{
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for (int jj = 0; jj < ii; jj++) //draw more intensive lines
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{
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vd.drawLine(50.0f, 350.0f + 40 * ii, 200.0f, 350.0f + 40 * ii);
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}
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}
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for (int ii = 0; ii < 4; ii++)
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{
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for (int jj = 0; jj <= ii; jj++)
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{
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vd.drawLine(50.0f + 40 * ii, 600.0f, 50.0f + 40 * ii, 700.0f);
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}
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}
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//
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// test pattern for shapes
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//
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vd.setDrawColor(0.7f, 0.7f, 1.0f);
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vd.drawCircle(250.0f, 450.0f, 10.0f, 32.0f);
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vd.drawCircle(300.0f, 450.0f, 30.0f, 32.0f);
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vd.drawCircle(400.0f, 450.0f, 60.0f, 32.0f);
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vd.drawCircle(500.0f, 450.0f, 80.0f, 64.0f);
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vd.setDrawColor(0.7f, 1.0f, 0.7f);
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vd.drawBox(250.0f, 600.0f, 10.0f, 10.0f);
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vd.drawBox(300.0f, 600.0f, 30.0f, 30.0f);
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vd.drawBox(350.0f, 600.0f, 60.0f, 60.0f);
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vd.drawBox(450.0f, 600.0f, 80.0f, 80.0f);
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vd.setDrawColor(1.0f, 0.7f, 1.0f);
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vd.drawWheel(bx::kPi, 800.0f, 450.0f, 80.0f);
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vd.drawWheel(3.0f * bx::kPi / 4.0f, 95.0f, 450.0f, 60.0f);
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vd.drawWheel(bx::kPi / 2.0f, 1150.0f, 450.0f, 30.0f);
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vd.drawWheel(bx::kPi / 4.0f, 1250.0f, 450.0f, 10.0f);
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// draw moving shape
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static float counter = 0.0f;
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counter += 0.01f;
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float posX = width / 2.0f + bx::fsin(counter * 3.18378f) * (width / 2.0f);
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float posY = height / 2.0f + bx::fcos(counter) * (height / 2.0f);
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vd.drawCircle(posX, posY, 5.0f, 10.0f);
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vd.endFrame();
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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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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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const bgfx::RendererType::Enum renderer = bgfx::getRendererType();
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float texelHalf = bgfx::RendererType::Direct3D9 == renderer ? 0.5f : 0.0f;
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bool originBottomLeft = bgfx::RendererType::OpenGL == renderer
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|| bgfx::RendererType::OpenGLES == renderer;
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m_vd.init(originBottomLeft, texelHalf);
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m_vd.setup(uint16_t(m_width), uint16_t(m_height) );
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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, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x303030ff, 1.0f, 0);
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// Create vertex stream declaration.
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PosColorVertex::init();
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m_oldWidth = m_width;
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m_oldHeight = m_height;
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}
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// Cleanup.
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vd.teardown();
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virtual int shutdown() BX_OVERRIDE
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{
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// Cleanup.
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m_vd.teardown();
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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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if (m_oldWidth != m_width
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|| m_oldHeight != m_height)
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{
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m_oldWidth = m_width;
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m_oldHeight = m_height;
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m_vd.resize(uint16_t(m_width), uint16_t(m_height) );
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}
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const float at[3] = { 0.0f, 0.0f, 0.0f };
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const float eye[3] = { 0.0f, 0.0f, -35.0f };
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float view[16];
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float proj[16];
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bx::mtxLookAt(view, eye, at);
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bx::mtxProj(proj, 60.0f, float(m_width) / float(m_height), 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
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// Set view and projection matrix for view 0.
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bgfx::setViewTransform(0, view, proj);
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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
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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/23-vectordisplay");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering lines as oldschool vectors.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime) * toMs);
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m_vd.beginFrame();
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//simplex test
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m_vd.setDrawColor(0.7f, 0.7f, 1.0f);
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m_vd.drawSimplexFont(50.0f, 80.0f, 1.5f, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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m_vd.drawSimplexFont(50.0f, 140.0f, 1.5f, "abcdefghijklmnopqrstuvwxyz");
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m_vd.drawSimplexFont(50.0f, 200.0f, 1.5f, "!@#$%^&*()-=<>/?;:'\"{}[]|\\+=-_");
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m_vd.setDrawColor(1.0f, 0.7f, 0.7f);
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//test pattern for lines
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for (int ii = 0; ii < 4; ii++)
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{
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for (int jj = 0; jj < ii; jj++) //draw more intensive lines
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{
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m_vd.drawLine(50.0f, 350.0f + 40 * ii, 200.0f, 350.0f + 40 * ii);
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}
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}
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for (int ii = 0; ii < 4; ii++)
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{
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for (int jj = 0; jj <= ii; jj++)
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{
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m_vd.drawLine(50.0f + 40 * ii, 600.0f, 50.0f + 40 * ii, 700.0f);
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}
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}
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//
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// test pattern for shapes
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//
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m_vd.setDrawColor(0.7f, 0.7f, 1.0f);
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m_vd.drawCircle(250.0f, 450.0f, 10.0f, 32.0f);
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m_vd.drawCircle(300.0f, 450.0f, 30.0f, 32.0f);
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m_vd.drawCircle(400.0f, 450.0f, 60.0f, 32.0f);
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m_vd.drawCircle(500.0f, 450.0f, 80.0f, 64.0f);
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m_vd.setDrawColor(0.7f, 1.0f, 0.7f);
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m_vd.drawBox(250.0f, 600.0f, 10.0f, 10.0f);
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m_vd.drawBox(300.0f, 600.0f, 30.0f, 30.0f);
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m_vd.drawBox(350.0f, 600.0f, 60.0f, 60.0f);
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m_vd.drawBox(450.0f, 600.0f, 80.0f, 80.0f);
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m_vd.setDrawColor(1.0f, 0.7f, 1.0f);
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m_vd.drawWheel(bx::kPi, 800.0f, 450.0f, 80.0f);
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m_vd.drawWheel(3.0f * bx::kPi / 4.0f, 95.0f, 450.0f, 60.0f);
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m_vd.drawWheel(bx::kPi / 2.0f, 1150.0f, 450.0f, 30.0f);
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m_vd.drawWheel(bx::kPi / 4.0f, 1250.0f, 450.0f, 10.0f);
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// draw moving shape
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static float counter = 0.0f;
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counter += 0.01f;
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float posX = m_width / 2.0f + bx::fsin(counter * 3.18378f) * (m_width / 2.0f);
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float posY = m_height / 2.0f + bx::fcos(counter) * (m_height / 2.0f);
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m_vd.drawCircle(posX, posY, 5.0f, 10.0f);
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m_vd.endFrame();
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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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return true;
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}
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return false;
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}
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// Shutdown bgfx.
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bgfx::shutdown();
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uint32_t m_width;
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uint32_t m_height;
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uint32_t m_debug;
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uint32_t m_reset;
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VectorDisplay m_vd;
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uint32_t m_oldWidth;
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uint32_t m_oldHeight;
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};
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return 0;
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}
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ENTRY_IMPLEMENT_MAIN(ExampleVectorDisplay);
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@@ -50,12 +50,19 @@ inline float normalizef(float _a)
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return bx::fwrap(_a, 2.0f * bx::kPi);
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}
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VectorDisplay::VectorDisplay(bool _originBottomLeft, float _texelHalf)
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: m_originBottomLeft(_originBottomLeft)
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, m_texelHalf(_texelHalf)
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VectorDisplay::VectorDisplay()
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: m_originBottomLeft(false)
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, m_texelHalf(false)
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{
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}
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void VectorDisplay::init(bool _originBottomLeft, float _texelHalf)
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{
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m_originBottomLeft = _originBottomLeft;
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m_texelHalf = _texelHalf;
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}
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void VectorDisplay::setup(uint16_t _width, uint16_t _height, uint8_t _view)
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{
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PosColorUvVertex::init();
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@@ -34,12 +34,14 @@ struct PosColorUvVertex
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class VectorDisplay
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{
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public:
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VectorDisplay(bool _originBottomLeft, float _texelHalf);
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VectorDisplay();
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~VectorDisplay()
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{
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}
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void init(bool _originBottomLeft, float _texelHalf);
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void setup(uint16_t _width, uint16_t _height, uint8_t _view = 2);
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void resize(uint16_t _width, uint16_t _height);
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void teardown();
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