mirror of https://github.com/bkaradzic/bgfx
Cleanup.
This commit is contained in:
Branimir Karadžić
parent
db64e34681
commit
9edede219e
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@ -468,10 +468,10 @@ class Metaballs : public entry::AppI
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{
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Args args(_argc, _argv);
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m_width = 1280;
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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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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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@ -778,7 +778,6 @@ class Metaballs : public entry::AppI
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Grid* m_grid;
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int64_t m_timeOffset;
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};
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ENTRY_IMPLEMENT_MAIN(Metaballs);
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@ -55,171 +55,196 @@ static const uint16_t s_cubeIndices[36] =
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6, 3, 7,
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};
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int _main_(int _argc, char** _argv)
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class Instancing : 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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// 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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// Get renderer capabilities info.
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const bgfx::Caps* caps = bgfx::getCaps();
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// Create vertex stream declaration.
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PosColorVertex::init();
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const bgfx::Memory* mem;
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// Create static vertex buffer.
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mem = bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) );
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bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(mem, PosColorVertex::ms_decl);
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// Create static index buffer.
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mem = bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) );
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bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(mem);
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// Create program from shaders.
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bgfx::ProgramHandle program = loadProgram("vs_instancing", "fs_instancing");
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int64_t timeOffset = bx::getHPCounter();
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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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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, width, height);
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Args args(_argc, _argv);
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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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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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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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float time = (float)( (now - timeOffset)/double(bx::getHPFrequency() ) );
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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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// 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/05-instancing");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Geometry instancing.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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// Enable debug text.
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bgfx::setDebug(m_debug);
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// Check if instancing is supported.
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if (0 == (BGFX_CAPS_INSTANCING & caps->supported) )
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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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// Create vertex stream declaration.
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PosColorVertex::init();
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// Create static vertex buffer.
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m_vbh = bgfx::createVertexBuffer(
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bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
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, PosColorVertex::ms_decl
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);
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// Create static index buffer.
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m_ibh = bgfx::createIndexBuffer(
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bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) )
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);
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// Create program from shaders.
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m_program = loadProgram("vs_instancing", "fs_instancing");
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m_timeOffset = bx::getHPCounter();
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}
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int shutdown() BX_OVERRIDE
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{
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// Cleanup.
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bgfx::destroyIndexBuffer(m_ibh);
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bgfx::destroyVertexBuffer(m_vbh);
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bgfx::destroyProgram(m_program);
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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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// When instancing is not supported by GPU, implement alternative
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// code path that doesn't use instancing.
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bool blink = uint32_t(time*3.0f)&1;
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bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Instancing is not supported by GPU. ");
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}
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else
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{
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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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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, m_width, m_height);
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// Set view and projection matrix for view 0.
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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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// 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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float time = (float)( (now - m_timeOffset)/double(bx::getHPFrequency() ) );
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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/05-instancing");
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bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Geometry instancing.");
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bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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// Get renderer capabilities info.
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const bgfx::Caps* caps = bgfx::getCaps();
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// Check if instancing is supported.
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if (0 == (BGFX_CAPS_INSTANCING & caps->supported) )
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{
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float view[16];
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bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
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float proj[16];
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bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
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bgfx::setViewTransform(0, view, proj);
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// Set view 0 default viewport.
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//
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// Use HMD's width/height since HMD's internal frame buffer size
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// might be much larger than window size.
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bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
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// When instancing is not supported by GPU, implement alternative
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// code path that doesn't use instancing.
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bool blink = uint32_t(time*3.0f)&1;
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bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Instancing is not supported by GPU. ");
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}
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else
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{
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float view[16];
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bx::mtxLookAt(view, eye, at);
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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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float proj[16];
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bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
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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, width, height);
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}
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const uint16_t instanceStride = 80;
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const bgfx::InstanceDataBuffer* idb = bgfx::allocInstanceDataBuffer(121, instanceStride);
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if (NULL != idb)
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{
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uint8_t* data = idb->data;
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// Write instance data for 11x11 cubes.
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for (uint32_t yy = 0, numInstances = 0; yy < 11 && numInstances < idb->num; ++yy)
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// Set view and projection matrix for view 0.
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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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{
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for (uint32_t xx = 0; xx < 11 && numInstances < idb->num; ++xx, ++numInstances)
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{
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float* mtx = (float*)data;
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bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f);
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mtx[12] = -15.0f + float(xx)*3.0f;
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mtx[13] = -15.0f + float(yy)*3.0f;
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mtx[14] = 0.0f;
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float view[16];
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bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
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float* color = (float*)&data[64];
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color[0] = sinf(time+float(xx)/11.0f)*0.5f+0.5f;
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color[1] = cosf(time+float(yy)/11.0f)*0.5f+0.5f;
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color[2] = sinf(time*3.0f)*0.5f+0.5f;
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color[3] = 1.0f;
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float proj[16];
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bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
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data += instanceStride;
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}
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bgfx::setViewTransform(0, view, proj);
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// Set view 0 default viewport.
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//
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// Use HMD's width/height since HMD's internal frame buffer size
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// might be much larger than window size.
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bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
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}
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else
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{
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float view[16];
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bx::mtxLookAt(view, eye, at);
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float proj[16];
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bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
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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, m_width, m_height);
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}
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// Set vertex and index buffer.
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bgfx::setVertexBuffer(vbh);
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bgfx::setIndexBuffer(ibh);
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const uint16_t instanceStride = 80;
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const bgfx::InstanceDataBuffer* idb = bgfx::allocInstanceDataBuffer(121, instanceStride);
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if (NULL != idb)
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{
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uint8_t* data = idb->data;
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// Set instance data buffer.
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bgfx::setInstanceDataBuffer(idb);
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// Write instance data for 11x11 cubes.
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for (uint32_t yy = 0, numInstances = 0; yy < 11 && numInstances < idb->num; ++yy)
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{
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for (uint32_t xx = 0; xx < 11 && numInstances < idb->num; ++xx, ++numInstances)
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{
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float* mtx = (float*)data;
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bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f);
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mtx[12] = -15.0f + float(xx)*3.0f;
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mtx[13] = -15.0f + float(yy)*3.0f;
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mtx[14] = 0.0f;
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// Set render states.
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bgfx::setState(BGFX_STATE_DEFAULT);
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float* color = (float*)&data[64];
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color[0] = sinf(time+float(xx)/11.0f)*0.5f+0.5f;
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color[1] = cosf(time+float(yy)/11.0f)*0.5f+0.5f;
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color[2] = sinf(time*3.0f)*0.5f+0.5f;
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color[3] = 1.0f;
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// Submit primitive for rendering to view 0.
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bgfx::submit(0, program);
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data += instanceStride;
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}
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}
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// Set vertex and index buffer.
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bgfx::setVertexBuffer(m_vbh);
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bgfx::setIndexBuffer(m_ibh);
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// Set instance data buffer.
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bgfx::setInstanceDataBuffer(idb);
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// Set render states.
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bgfx::setState(BGFX_STATE_DEFAULT);
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// Submit primitive for rendering to view 0.
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bgfx::submit(0, m_program);
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}
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}
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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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// 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 false;
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}
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// Cleanup.
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bgfx::destroyIndexBuffer(ibh);
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bgfx::destroyVertexBuffer(vbh);
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bgfx::destroyProgram(program);
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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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bgfx::VertexBufferHandle m_vbh;
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bgfx::IndexBufferHandle m_ibh;
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bgfx::ProgramHandle m_program;
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// Shutdown bgfx.
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bgfx::shutdown();
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int64_t m_timeOffset;
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};
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return 0;
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}
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ENTRY_IMPLEMENT_MAIN(Instancing);
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