diff options
Diffstat (limited to '3rdparty/bgfx/examples/01-cubes/cubes.cpp')
-rw-r--r-- | 3rdparty/bgfx/examples/01-cubes/cubes.cpp | 263 |
1 files changed, 142 insertions, 121 deletions
diff --git a/3rdparty/bgfx/examples/01-cubes/cubes.cpp b/3rdparty/bgfx/examples/01-cubes/cubes.cpp index e6eb82cac1b..d3679d1ea48 100644 --- a/3rdparty/bgfx/examples/01-cubes/cubes.cpp +++ b/3rdparty/bgfx/examples/01-cubes/cubes.cpp @@ -55,144 +55,165 @@ static const uint16_t s_cubeIndices[36] = 6, 3, 7, }; -int _main_(int /*_argc*/, char** /*_argv*/) +class Cubes : public entry::AppI { - uint32_t width = 1280; - uint32_t height = 720; - uint32_t debug = BGFX_DEBUG_TEXT; - uint32_t reset = BGFX_RESET_VSYNC; - - bgfx::init(); - bgfx::reset(width, height, reset); - - // Enable debug text. - bgfx::setDebug(debug); - - // Set view 0 clear state. - bgfx::setViewClear(0 - , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH - , 0x303030ff - , 1.0f - , 0 - ); - - // Create vertex stream declaration. - PosColorVertex::init(); - - // 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 static index buffer. - bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer( - // Static data can be passed with bgfx::makeRef - bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) - ); - - // Create program from shaders. - bgfx::ProgramHandle program = loadProgram("vs_cubes", "fs_cubes"); - - int64_t timeOffset = bx::getHPCounter(); - - while (!entry::processEvents(width, height, debug, reset) ) + void init(int /*_argc*/, char** /*_argv*/) BX_OVERRIDE { - 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; - - float time = (float)( (now-timeOffset)/double(bx::getHPFrequency() ) ); - - // Use debug font to print information about this example. - bgfx::dbgTextClear(); - bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/01-cube"); - bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering simple static mesh."); - bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs); - - float at[3] = { 0.0f, 0.0f, 0.0f }; - float eye[3] = { 0.0f, 0.0f, -35.0f }; - - // Set view and projection matrix for view 0. - const bgfx::HMD* hmd = bgfx::getHMD(); - if (NULL != hmd) - { - float view[16]; - bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye); + m_width = 1280; + m_height = 720; + m_debug = BGFX_DEBUG_TEXT; + m_reset = BGFX_RESET_VSYNC; + + bgfx::init(); + bgfx::reset(m_width, m_height, m_reset); + + // Enable debug text. + bgfx::setDebug(m_debug); + + // Set view 0 clear state. + bgfx::setViewClear(0 + , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH + , 0x303030ff + , 1.0f + , 0 + ); + + // Create vertex stream declaration. + PosColorVertex::init(); + + // 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 static index buffer. + m_ibh = bgfx::createIndexBuffer( + // Static data can be passed with bgfx::makeRef + bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) + ); + + // Create program from shaders. + m_program = loadProgram("vs_cubes", "fs_cubes"); + + m_timeOffset = bx::getHPCounter(); + } - float proj[16]; - bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f); + virtual int shutdown() BX_OVERRIDE + { + // Cleanup. + bgfx::destroyIndexBuffer(m_ibh); + bgfx::destroyVertexBuffer(m_vbh); + bgfx::destroyProgram(m_program); - bgfx::setViewTransform(0, view, proj); + // Shutdown bgfx. + bgfx::shutdown(); - // Set view 0 default viewport. - // - // Use HMD's width/height since HMD's internal frame buffer size - // might be much larger than window size. - bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height); - } - else - { - float view[16]; - bx::mtxLookAt(view, eye, at); + return 0; + } - float proj[16]; - bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f); - bgfx::setViewTransform(0, view, proj); + bool update() BX_OVERRIDE + { + if (!entry::processEvents(m_width, m_height, m_debug, m_reset) ) + { + 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; + + float time = (float)( (now-m_timeOffset)/double(bx::getHPFrequency() ) ); + + // Use debug font to print information about this example. + bgfx::dbgTextClear(); + bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/01-cube"); + bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering simple static mesh."); + bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs); + + float at[3] = { 0.0f, 0.0f, 0.0f }; + float eye[3] = { 0.0f, 0.0f, -35.0f }; + + // Set view and projection matrix for view 0. + const bgfx::HMD* hmd = bgfx::getHMD(); + if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) ) + { + float view[16]; + bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye); - // Set view 0 default viewport. - bgfx::setViewRect(0, 0, 0, width, height); - } + float proj[16]; + bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f); - // 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::submit(0); + bgfx::setViewTransform(0, view, proj); - // Submit 11x11 cubes. - for (uint32_t yy = 0; yy < 11; ++yy) - { - for (uint32_t xx = 0; xx < 11; ++xx) + // Set view 0 default viewport. + // + // Use HMD's width/height since HMD's internal frame buffer size + // might be much larger than window size. + bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height); + } + else { - 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; - - // Set model matrix for rendering. - bgfx::setTransform(mtx); + float view[16]; + bx::mtxLookAt(view, eye, at); - // Set vertex and fragment shaders. - bgfx::setProgram(program); + float proj[16]; + bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f); + bgfx::setViewTransform(0, view, proj); - // Set vertex and index buffer. - bgfx::setVertexBuffer(vbh); - bgfx::setIndexBuffer(ibh); + // Set view 0 default viewport. + bgfx::setViewRect(0, 0, 0, m_width, m_height); + } - // Set render states. - bgfx::setState(BGFX_STATE_DEFAULT); + // 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); - // Submit primitive for rendering to view 0. - bgfx::submit(0); + // 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; + + // Set model matrix for rendering. + bgfx::setTransform(mtx); + + // Set vertex and index buffer. + bgfx::setVertexBuffer(m_vbh); + bgfx::setIndexBuffer(m_ibh); + + // Set render states. + bgfx::setState(BGFX_STATE_DEFAULT); + + // Submit primitive for rendering to view 0. + bgfx::submit(0, m_program); + } } + + // Advance to next frame. Rendering thread will be kicked to + // process submitted rendering primitives. + bgfx::frame(); + + return true; } - // Advance to next frame. Rendering thread will be kicked to - // process submitted rendering primitives. - bgfx::frame(); + return false; } - // Cleanup. - bgfx::destroyIndexBuffer(ibh); - bgfx::destroyVertexBuffer(vbh); - bgfx::destroyProgram(program); - - // Shutdown bgfx. - bgfx::shutdown(); + 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; + int64_t m_timeOffset; +}; - return 0; -} +ENTRY_IMPLEMENT_MAIN(Cubes); |