diff options
Diffstat (limited to '3rdparty/bgfx/examples/22-windows/windows.cpp')
-rw-r--r-- | 3rdparty/bgfx/examples/22-windows/windows.cpp | 436 |
1 files changed, 246 insertions, 190 deletions
diff --git a/3rdparty/bgfx/examples/22-windows/windows.cpp b/3rdparty/bgfx/examples/22-windows/windows.cpp index d0d3b546911..c750fe23277 100644 --- a/3rdparty/bgfx/examples/22-windows/windows.cpp +++ b/3rdparty/bgfx/examples/22-windows/windows.cpp @@ -1,5 +1,5 @@ /* - * Copyright 2011-2016 Branimir Karadzic. All rights reserved. + * Copyright 2011-2017 Branimir Karadzic. All rights reserved. * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause */ @@ -8,6 +8,8 @@ #include <entry/input.h> #include <bx/string.h> +#define MAX_WINDOWS 8 + struct PosColorVertex { float m_x; @@ -57,253 +59,307 @@ static const uint16_t s_cubeIndices[36] = 6, 3, 7, }; -#define MAX_WINDOWS 8 -entry::WindowState windows[MAX_WINDOWS]; +void cmdCreateWindow(const void* _userData); +void cmdDestroyWindow(const void* _userData); -void cmdCreateWindow(const void* /*_userData*/) +class ExampleWindows : public entry::AppI { - entry::WindowHandle handle = entry::createWindow(rand()%1280, rand()%720, 640, 480); - if (entry::isValid(handle) ) +public: + void init(int _argc, char** _argv) BX_OVERRIDE { - char str[256]; - bx::snprintf(str, BX_COUNTOF(str), "Window - handle %d", handle.idx); - entry::setWindowTitle(handle, str); - windows[handle.idx].m_handle = handle; - } -} + Args args(_argc, _argv); -void cmdDestroyWindow(const void* /*_userData*/) -{ - for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii) - { - if (entry::isValid(windows[ii].m_handle) ) - { - entry::destroyWindow(windows[ii].m_handle); - windows[ii].m_handle.idx = UINT16_MAX; - return; - } - } -} + m_width = 1280; + m_height = 720; + m_debug = BGFX_DEBUG_TEXT; + m_reset = BGFX_RESET_VSYNC; -static const InputBinding s_bindings[] = -{ - { entry::Key::KeyC, entry::Modifier::None, 1, cmdCreateWindow, NULL }, - { entry::Key::KeyD, entry::Modifier::None, 1, cmdDestroyWindow, NULL }, - INPUT_BINDING_END -}; + bgfx::init(args.m_type, args.m_pciId); + bgfx::reset(m_width, m_height, m_reset); -int _main_(int _argc, char** _argv) -{ - Args args(_argc, _argv); + const bgfx::Caps* caps = bgfx::getCaps(); + bool swapChainSupported = 0 != (caps->supported & BGFX_CAPS_SWAP_CHAIN); - uint32_t width = 1280; - uint32_t height = 720; - uint32_t debug = BGFX_DEBUG_TEXT; - uint32_t reset = BGFX_RESET_VSYNC; + if (swapChainSupported) + { + m_bindings = (InputBinding*)BX_ALLOC(entry::getAllocator(), sizeof(InputBinding)*3); + m_bindings[0].set(entry::Key::KeyC, entry::Modifier::None, 1, cmdCreateWindow, this); + m_bindings[1].set(entry::Key::KeyD, entry::Modifier::None, 1, cmdDestroyWindow, this); + m_bindings[2].end(); - bgfx::init(args.m_type, args.m_pciId); - bgfx::reset(width, height, reset); + inputAddBindings("22-windows", m_bindings); + } + else + { + m_bindings = NULL; + } - const bgfx::Caps* caps = bgfx::getCaps(); - bool swapChainSupported = 0 != (caps->supported & BGFX_CAPS_SWAP_CHAIN); + // Enable m_debug text. + bgfx::setDebug(m_debug); - if (swapChainSupported) - { - inputAddBindings("22-windows", s_bindings); - } + // Set view 0 clear state. + bgfx::setViewClear(0 + , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH + , 0x303030ff + , 1.0f + , 0 + ); - // Enable debug text. - bgfx::setDebug(debug); + // Create vertex stream declaration. + PosColorVertex::init(); - // Set view 0 clear state. - bgfx::setViewClear(0 - , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH - , 0x303030ff - , 1.0f - , 0 - ); + // Create static vertex buffer. + m_vbh = bgfx::createVertexBuffer( + // Static data can be passed with bgfx::makeRef + bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) ) + , PosColorVertex::ms_decl + ); - // Create vertex stream declaration. - PosColorVertex::init(); + // Create static index buffer. + m_ibh = bgfx::createIndexBuffer( + // Static data can be passed with bgfx::makeRef + bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) + ); - // Create static vertex buffer. - bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer( - // Static data can be passed with bgfx::makeRef - bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) ) - , PosColorVertex::ms_decl - ); + // Create program from shaders. + m_program = loadProgram("vs_cubes", "fs_cubes"); - // Create static index buffer. - bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer( - // Static data can be passed with bgfx::makeRef - bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) - ); + m_timeOffset = bx::getHPCounter(); - // Create program from shaders. - bgfx::ProgramHandle program = loadProgram("vs_cubes", "fs_cubes"); + memset(m_fbh, 0xff, sizeof(m_fbh) ); + } - float at[3] = { 0.0f, 0.0f, 0.0f }; - float eye[3] = { 0.0f, 0.0f, -35.0f }; + virtual int shutdown() BX_OVERRIDE + { + for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii) + { + if (bgfx::isValid(m_fbh[ii]) ) + { + bgfx::destroyFrameBuffer(m_fbh[ii]); + } + } - int64_t timeOffset = bx::getHPCounter(); + BX_FREE(entry::getAllocator(), m_bindings); - bgfx::FrameBufferHandle fbh[MAX_WINDOWS]; - memset(fbh, 0xff, sizeof(fbh) ); + // Cleanup. + bgfx::destroyIndexBuffer(m_ibh); + bgfx::destroyVertexBuffer(m_vbh); + bgfx::destroyProgram(m_program); - entry::WindowState state; - while (!entry::processWindowEvents(state, debug, reset) ) + // Shutdown bgfx. + bgfx::shutdown(); + + return 0; + } + + bool update() BX_OVERRIDE { - if (isValid(state.m_handle) ) + entry::WindowState state; + if (!entry::processWindowEvents(state, m_debug, m_reset) ) { - if (0 == state.m_handle.idx) - { - width = state.m_width; - height = state.m_height; - } - else + if (isValid(state.m_handle) ) { - uint8_t viewId = (uint8_t)state.m_handle.idx; - entry::WindowState& win = windows[viewId]; - - if (win.m_nwh != state.m_nwh - || (win.m_width != state.m_width - || win.m_height != state.m_height) ) + if (0 == state.m_handle.idx) + { + m_width = state.m_width; + m_height = state.m_height; + } + else { - // When window changes size or native window handle changed - // frame buffer must be recreated. - if (bgfx::isValid(fbh[viewId]) ) + uint8_t viewId = (uint8_t)state.m_handle.idx; + entry::WindowState& win = m_windows[viewId]; + + if (win.m_nwh != state.m_nwh + || (win.m_width != state.m_width + || win.m_height != state.m_height) ) { - bgfx::destroyFrameBuffer(fbh[viewId]); - fbh[viewId].idx = bgfx::invalidHandle; + // When window changes size or native window handle changed + // frame buffer must be recreated. + if (bgfx::isValid(m_fbh[viewId]) ) + { + bgfx::destroyFrameBuffer(m_fbh[viewId]); + m_fbh[viewId].idx = bgfx::invalidHandle; + } + + win.m_nwh = state.m_nwh; + win.m_width = state.m_width; + win.m_height = state.m_height; + + if (NULL != win.m_nwh) + { + m_fbh[viewId] = bgfx::createFrameBuffer(win.m_nwh, win.m_width, win.m_height); + } + else + { + win.m_handle.idx = UINT16_MAX; + } } + } + } - win.m_nwh = state.m_nwh; - win.m_width = state.m_width; - win.m_height = state.m_height; + float at[3] = { 0.0f, 0.0f, 0.0f }; + float eye[3] = { 0.0f, 0.0f, -35.0f }; - if (NULL != win.m_nwh) - { - fbh[viewId] = bgfx::createFrameBuffer(win.m_nwh, win.m_width, win.m_height); - } - else - { - win.m_handle.idx = UINT16_MAX; - } + float view[16]; + bx::mtxLookAt(view, eye, at); + + float proj[16]; + bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f); + + bgfx::setViewTransform(0, view, proj); + bgfx::setViewRect(0, 0, 0, m_width, m_height); + // This dummy draw call is here to make sure that view 0 is cleared + // if no other draw calls are submitted to view 0. + bgfx::touch(0); + + // Set view and projection matrix for view 0. + for (uint32_t ii = 1; ii < MAX_WINDOWS; ++ii) + { + bgfx::setViewTransform(ii, view, proj); + bgfx::setViewFrameBuffer(ii, m_fbh[ii]); + + if (!bgfx::isValid(m_fbh[ii]) ) + { + // Set view to default viewport. + bgfx::setViewRect(ii, 0, 0, m_width, m_height); + bgfx::setViewClear(ii, BGFX_CLEAR_NONE); + } + else + { + bgfx::setViewRect(ii, 0, 0, m_windows[ii].m_width, m_windows[ii].m_height); + bgfx::setViewClear(ii + , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH + , 0x303030ff + , 1.0f + , 0 + ); } } - } - float view[16]; - float proj[16]; - bx::mtxLookAt(view, eye, at); - bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f); + int64_t now = bx::getHPCounter(); + static int64_t last = now; + const int64_t frameTime = now - last; + last = now; + const double freq = double(bx::getHPFrequency() ); + const double toMs = 1000.0/freq; - bgfx::setViewTransform(0, view, proj); - bgfx::setViewRect(0, 0, 0, width, height); - // This dummy draw call is here to make sure that view 0 is cleared - // if no other draw calls are submitted to view 0. - bgfx::touch(0); + float time = (float)( (now-m_timeOffset)/double(bx::getHPFrequency() ) ); - // Set view and projection matrix for view 0. - for (uint32_t ii = 1; ii < MAX_WINDOWS; ++ii) - { - bgfx::setViewTransform(ii, view, proj); - bgfx::setViewFrameBuffer(ii, fbh[ii]); + // Use debug font to print information about this example. + bgfx::dbgTextClear(); + bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/22-windows"); + bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering into multiple windows."); + bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs); - if (!bgfx::isValid(fbh[ii]) ) + if (NULL != m_bindings) { - // Set view to default viewport. - bgfx::setViewRect(ii, 0, 0, width, height); - bgfx::setViewClear(ii, BGFX_CLEAR_NONE); + bgfx::dbgTextPrintf(0, 5, 0x2f, "Press 'c' to create or 'd' to destroy window."); } else { - bgfx::setViewRect(ii, 0, 0, windows[ii].m_width, windows[ii].m_height); - bgfx::setViewClear(ii - , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH - , 0x303030ff - , 1.0f - , 0 - ); + bool blink = uint32_t(time*3.0f)&1; + bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Multiple windows is not supported by `%s` renderer. ", bgfx::getRendererName(bgfx::getCaps()->rendererType) ); } - } - int64_t now = bx::getHPCounter(); - static int64_t last = now; - const int64_t frameTime = now - last; - last = now; - const double freq = double(bx::getHPFrequency() ); - const double toMs = 1000.0/freq; + uint32_t count = 0; - float time = (float)( (now-timeOffset)/double(bx::getHPFrequency() ) ); + // Submit 11x11 cubes. + for (uint32_t yy = 0; yy < 11; ++yy) + { + for (uint32_t xx = 0; xx < 11; ++xx) + { + float mtx[16]; + bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f); + mtx[12] = -15.0f + float(xx)*3.0f; + mtx[13] = -15.0f + float(yy)*3.0f; + mtx[14] = 0.0f; - // Use debug font to print information about this example. - bgfx::dbgTextClear(); - bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/22-windows"); - bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering into multiple windows."); - bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs); + // Set model matrix for rendering. + bgfx::setTransform(mtx); - if (swapChainSupported) - { - bgfx::dbgTextPrintf(0, 5, 0x2f, "Press 'c' to create or 'd' to destroy window."); - } - else - { - bool blink = uint32_t(time*3.0f)&1; - bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Multiple windows is not supported by `%s` renderer. ", bgfx::getRendererName(caps->rendererType) ); - } + // Set vertex and index buffer. + bgfx::setVertexBuffer(m_vbh); + bgfx::setIndexBuffer(m_ibh); - uint32_t count = 0; + // Set render states. + bgfx::setState(BGFX_STATE_DEFAULT); - // Submit 11x11 cubes. - for (uint32_t yy = 0; yy < 11; ++yy) - { - for (uint32_t xx = 0; xx < 11; ++xx) - { - float mtx[16]; - bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f); - mtx[12] = -15.0f + float(xx)*3.0f; - mtx[13] = -15.0f + float(yy)*3.0f; - mtx[14] = 0.0f; + // Submit primitive for rendering. + bgfx::submit(count%MAX_WINDOWS, m_program); + ++count; + } + } - // Set model matrix for rendering. - bgfx::setTransform(mtx); + // Advance to next frame. Rendering thread will be kicked to + // process submitted rendering primitives. + bgfx::frame(); - // Set vertex and index buffer. - bgfx::setVertexBuffer(vbh); - bgfx::setIndexBuffer(ibh); + return true; + } - // Set render states. - bgfx::setState(BGFX_STATE_DEFAULT); + return false; + } - // Submit primitive for rendering. - bgfx::submit(count%MAX_WINDOWS, program); - ++count; - } + void createWindow() + { + entry::WindowHandle handle = entry::createWindow(rand()%1280, rand()%720, 640, 480); + if (entry::isValid(handle) ) + { + char str[256]; + bx::snprintf(str, BX_COUNTOF(str), "Window - handle %d", handle.idx); + entry::setWindowTitle(handle, str); + m_windows[handle.idx].m_handle = handle; } - - // Advance to next frame. Rendering thread will be kicked to - // process submitted rendering primitives. - bgfx::frame(); } - for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii) + void destroyWindow() { - if (bgfx::isValid(fbh[ii]) ) + for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii) { - bgfx::destroyFrameBuffer(fbh[ii]); + if (bgfx::isValid(m_fbh[ii]) ) + { + bgfx::destroyFrameBuffer(m_fbh[ii]); + m_fbh[ii].idx = bgfx::invalidHandle; + + // Flush destruction of swap chain before destroying window! + bgfx::frame(); + bgfx::frame(); + } + + if (entry::isValid(m_windows[ii].m_handle) ) + { + entry::destroyWindow(m_windows[ii].m_handle); + m_windows[ii].m_handle.idx = UINT16_MAX; + return; + } } } -// entry::destroyWindow(win.m_handle); + uint32_t m_width; + uint32_t m_height; + uint32_t m_debug; + uint32_t m_reset; + + bgfx::VertexBufferHandle m_vbh; + bgfx::IndexBufferHandle m_ibh; + bgfx::ProgramHandle m_program; + + entry::WindowState m_windows[MAX_WINDOWS]; + bgfx::FrameBufferHandle m_fbh[MAX_WINDOWS]; + + InputBinding* m_bindings; - // Cleanup. - bgfx::destroyIndexBuffer(ibh); - bgfx::destroyVertexBuffer(vbh); - bgfx::destroyProgram(program); + int64_t m_timeOffset; +}; - // Shutdown bgfx. - bgfx::shutdown(); +ENTRY_IMPLEMENT_MAIN(ExampleWindows); - return 0; +void cmdCreateWindow(const void* _userData) +{ + ( (ExampleWindows*)_userData)->createWindow(); +} + +void cmdDestroyWindow(const void* _userData) +{ + ( (ExampleWindows*)_userData)->destroyWindow(); } |