diff options
Diffstat (limited to '3rdparty/bgfx/examples/07-callback')
-rw-r--r-- | 3rdparty/bgfx/examples/07-callback/callback.cpp | 380 |
1 files changed, 208 insertions, 172 deletions
diff --git a/3rdparty/bgfx/examples/07-callback/callback.cpp b/3rdparty/bgfx/examples/07-callback/callback.cpp index 464e2e55e7d..6c92e297782 100644 --- a/3rdparty/bgfx/examples/07-callback/callback.cpp +++ b/3rdparty/bgfx/examples/07-callback/callback.cpp @@ -5,15 +5,21 @@ #include "common.h" #include "bgfx_utils.h" +#include "imgui/imgui.h" #include <bx/allocator.h> +#include <bx/file.h> #include <bx/string.h> -#include <bx/crtimpl.h> #include "aviwriter.h" #include <inttypes.h> +#include <bimg/bimg.h> + +namespace +{ + struct PosColorVertex { float m_x; @@ -63,56 +69,24 @@ static const uint16_t s_cubeIndices[36] = 6, 3, 7, }; -void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, bool _grayscale, bool _yflip, bx::Error* _err) +void savePng(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip) { - BX_ERROR_SCOPE(_err); - - uint8_t type = _grayscale ? 3 : 2; - uint8_t bpp = _grayscale ? 8 : 32; - - uint8_t header[18] = {}; - header[ 2] = type; - header[12] = _width &0xff; - header[13] = (_width >>8)&0xff; - header[14] = _height &0xff; - header[15] = (_height>>8)&0xff; - header[16] = bpp; - header[17] = 32; - - bx::write(_writer, header, sizeof(header), _err); - - uint32_t dstPitch = _width*bpp/8; - if (_yflip) - { - uint8_t* data = (uint8_t*)_src + _pitch*_height - _pitch; - for (uint32_t yy = 0; yy < _height; ++yy) - { - bx::write(_writer, data, dstPitch, _err); - data -= _pitch; - } - } - else if (_pitch == dstPitch) - { - bx::write(_writer, _src, _height*_pitch, _err); - } - else + bx::FileWriter writer; + bx::Error err; + if (bx::open(&writer, _filePath, false, &err) ) { - uint8_t* data = (uint8_t*)_src; - for (uint32_t yy = 0; yy < _height; ++yy) - { - bx::write(_writer, data, dstPitch, _err); - data += _pitch; - } + bimg::imageWritePng(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err); + bx::close(&writer); } } void saveTga(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip) { - bx::CrtFileWriter writer; + bx::FileWriter writer; bx::Error err; if (bx::open(&writer, _filePath, false, &err) ) { - imageWriteTga(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err); + bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err); bx::close(&writer); } } @@ -123,7 +97,7 @@ struct BgfxCallback : public bgfx::CallbackI { } - virtual void fatal(bgfx::Fatal::Enum _code, const char* _str) BX_OVERRIDE + virtual void fatal(bgfx::Fatal::Enum _code, const char* _str) override { // Something unexpected happened, inform user and bail out. bx::debugPrintf("Fatal error: 0x%08x: %s", _code, _str); @@ -132,13 +106,25 @@ struct BgfxCallback : public bgfx::CallbackI abort(); } - virtual void traceVargs(const char* _filePath, uint16_t _line, const char* _format, va_list _argList) BX_OVERRIDE + virtual void traceVargs(const char* _filePath, uint16_t _line, const char* _format, va_list _argList) override { bx::debugPrintf("%s (%d): ", _filePath, _line); bx::debugPrintfVargs(_format, _argList); } - virtual uint32_t cacheReadSize(uint64_t _id) BX_OVERRIDE + virtual void profilerBegin(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override + { + } + + virtual void profilerBeginLiteral(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override + { + } + + virtual void profilerEnd() override + { + } + + virtual uint32_t cacheReadSize(uint64_t _id) override { char filePath[256]; bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id); @@ -158,7 +144,7 @@ struct BgfxCallback : public bgfx::CallbackI return 0; } - virtual bool cacheRead(uint64_t _id, void* _data, uint32_t _size) BX_OVERRIDE + virtual bool cacheRead(uint64_t _id, void* _data, uint32_t _size) override { char filePath[256]; bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id); @@ -180,7 +166,7 @@ struct BgfxCallback : public bgfx::CallbackI return false; } - virtual void cacheWrite(uint64_t _id, const void* _data, uint32_t _size) BX_OVERRIDE + virtual void cacheWrite(uint64_t _id, const void* _data, uint32_t _size) override { char filePath[256]; bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id); @@ -196,16 +182,20 @@ struct BgfxCallback : public bgfx::CallbackI } } - virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t /*_size*/, bool _yflip) BX_OVERRIDE + virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t /*_size*/, bool _yflip) override { char temp[1024]; + // Save screen shot as PNG. + bx::snprintf(temp, BX_COUNTOF(temp), "%s.png", _filePath); + savePng(temp, _width, _height, _pitch, _data, false, _yflip); + // Save screen shot as TGA. bx::snprintf(temp, BX_COUNTOF(temp), "%s.tga", _filePath); saveTga(temp, _width, _height, _pitch, _data, false, _yflip); } - virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) BX_OVERRIDE + virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) override { m_writer = BX_NEW(entry::getAllocator(), AviWriter)(entry::getFileWriter() ); if (!m_writer->open("temp/capture.avi", _width, _height, 60, _yflip) ) @@ -215,7 +205,7 @@ struct BgfxCallback : public bgfx::CallbackI } } - virtual void captureEnd() BX_OVERRIDE + virtual void captureEnd() override { if (NULL != m_writer) { @@ -225,7 +215,7 @@ struct BgfxCallback : public bgfx::CallbackI } } - virtual void captureFrame(const void* _data, uint32_t /*_size*/) BX_OVERRIDE + virtual void captureFrame(const void* _data, uint32_t /*_size*/) override { if (NULL != m_writer) { @@ -236,6 +226,8 @@ struct BgfxCallback : public bgfx::CallbackI AviWriter* m_writer; }; +const size_t kNaturalAlignment = 8; + class BgfxAllocator : public bx::AllocatorI { public: @@ -249,13 +241,13 @@ public: { } - virtual void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) BX_OVERRIDE + virtual void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) override { if (0 == _size) { if (NULL != _ptr) { - if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align) + if (kNaturalAlignment >= _align) { bx::debugPrintf("%s(%d): FREE %p\n", _file, _line, _ptr); ::free(_ptr); @@ -271,7 +263,7 @@ public: } else if (NULL == _ptr) { - if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align) + if (kNaturalAlignment >= _align) { void* ptr = ::malloc(_size); bx::debugPrintf("%s(%d): ALLOC %p of %d byte(s)\n", _file, _line, ptr, _size); @@ -283,7 +275,7 @@ public: return bx::alignedAlloc(this, _size, _align, _file, _line); } - if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align) + if (kNaturalAlignment >= _align) { void* ptr = ::realloc(_ptr, _size); bx::debugPrintf("%s(%d): REALLOC %p (old %p) of %d byte(s)\n", _file, _line, ptr, _ptr, _size); @@ -310,153 +302,197 @@ private: uint32_t m_maxBlocks; }; -int _main_(int _argc, char** _argv) +class ExampleCallback : public entry::AppI { - Args args(_argc, _argv); - - BgfxCallback callback; - BgfxAllocator allocator; - - uint32_t width = 1280; - uint32_t height = 720; - - // Enumerate supported backend renderers. - bgfx::RendererType::Enum renderers[bgfx::RendererType::Count]; - uint8_t numRenderers = bgfx::getSupportedRenderers(BX_COUNTOF(renderers), renderers); +public: + ExampleCallback(const char* _name, const char* _description) + : entry::AppI(_name, _description) + { + } - bgfx::init(bgfx::RendererType::Count == args.m_type - ? renderers[bx::getHPCounter() % numRenderers] /* randomize renderer */ - : args.m_type - , args.m_pciId - , 0 - , &callback // custom callback handler - , &allocator // custom allocator - ); - bgfx::reset(width, height, BGFX_RESET_CAPTURE|BGFX_RESET_MSAA_X16); + void init(int32_t _argc, const char* const* _argv, uint32_t _width, uint32_t _height) override + { + Args args(_argc, _argv); + + m_width = _width; + m_height = _height; + m_debug = BGFX_DEBUG_NONE; + m_reset = 0 + | BGFX_RESET_VSYNC + | BGFX_RESET_CAPTURE + | BGFX_RESET_MSAA_X16 + ; + + bgfx::init( + args.m_type + , args.m_pciId + , 0 + , &m_callback // custom callback handler + , &m_allocator // custom allocator + ); + 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( + bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) ) + , PosColorVertex::ms_decl + ); + + // Create static index buffer. + m_ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) ); + + // Create program from shaders. + m_program = loadProgram("vs_callback", "fs_callback"); + + m_time = 0.0f; + m_frame = 0; + + imguiCreate(); + } - // Enable debug text. - bgfx::setDebug(BGFX_DEBUG_TEXT); + virtual int shutdown() override + { + imguiDestroy(); - // Set view 0 default viewport. - bgfx::setViewRect(0, 0, 0, 1280, 720); + // Cleanup. + bgfx::destroy(m_ibh); + bgfx::destroy(m_vbh); + bgfx::destroy(m_program); - // Set view 0 clear state. - bgfx::setViewClear(0 - , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH - , 0x303030ff - , 1.0f - , 0 - ); + // Shutdown bgfx. + bgfx::shutdown(); - // Create vertex stream declaration. - PosColorVertex::init(); + m_allocator.dumpStats(); - // Create static vertex buffer. - bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer( - bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) ) - , PosColorVertex::ms_decl - ); + return 0; + } - // Create static index buffer. - bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) ); + bool update() override + { + bool exit = false; - // Create program from shaders. - bgfx::ProgramHandle program = loadProgram("vs_callback", "fs_callback"); + // 5 second 60Hz video + if (m_frame < 300) + { + ++m_frame; + } + else + { + m_reset &= ~BGFX_RESET_CAPTURE; + + exit = entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState); + + imguiBeginFrame(m_mouseState.m_mx + , m_mouseState.m_my + , (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0) + | (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0) + | (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0) + , m_mouseState.m_mz + , uint16_t(m_width) + , uint16_t(m_height) + ); - float time = 0.0f; + showExampleDialog(this); - const bgfx::RendererType::Enum rendererType = bgfx::getRendererType(); + imguiEndFrame(); + } - // 5 second 60Hz video - for (uint32_t frame = 0; frame < 300; ++frame) - { - // 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); - - 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; - - // Use debug font to print information about this example. - bgfx::dbgTextClear(); - bgfx::dbgTextPrintf( 0, 1, 0x4f, "bgfx/examples/07-callback"); - bgfx::dbgTextPrintf( 0, 2, 0x6f, "Description: Implementing application specific callbacks for taking screen shots,"); - bgfx::dbgTextPrintf(13, 3, 0x6f, "caching OpenGL binary shaders, and video capture."); - bgfx::dbgTextPrintf( 0, 4, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs); - - bgfx::dbgTextPrintf( 2, 6, 0x0e, "Supported renderers:"); - for (uint8_t ii = 0; ii < numRenderers; ++ii) + if (!exit) { - bgfx::dbgTextPrintf( 2, 7+ii, 0x0c, "[%c] %s" - , renderers[ii] == rendererType ? '\xfe' : ' ' - , bgfx::getRendererName(renderers[ii]) - ); - } + // Set view 0 default viewport. + bgfx::setViewRect(0, 0, 0, bgfx::BackbufferRatio::Equal); - float at[3] = { 0.0f, 0.0f, 0.0f }; - float eye[3] = { 0.0f, 0.0f, -35.0f }; + // 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::touch(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, bgfx::getCaps()->homogeneousDepth); + 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. - bgfx::setViewTransform(0, view, proj); + float view[16]; + float proj[16]; + bx::mtxLookAt(view, eye, at); + bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth); - time += 1.0f/60.0f; + // Set view and projection matrix for view 0. + bgfx::setViewTransform(0, view, proj); - // Submit 11x11 cubes. - for (uint32_t yy = 0; yy < 11; ++yy) - { - for (uint32_t xx = 0; xx < 11-yy; ++xx) + m_time += 1.0f/60.0f; + + // Submit 11x11 cubes. + for (uint32_t yy = 0; yy < 11; ++yy) { - 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; + for (uint32_t xx = 0; xx < 11-yy; ++xx) + { + float mtx[16]; + bx::mtxRotateXY(mtx, m_time + xx*0.21f, m_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 model matrix for rendering. + bgfx::setTransform(mtx); - // Set vertex and index buffer. - bgfx::setVertexBuffer(vbh); - bgfx::setIndexBuffer(ibh); + // Set vertex and index buffer. + bgfx::setVertexBuffer(0, m_vbh); + bgfx::setIndexBuffer(m_ibh); - // Set render states. - bgfx::setState(BGFX_STATE_DEFAULT); + // Set render states. + bgfx::setState(BGFX_STATE_DEFAULT); - // Submit primitive for rendering to view 0. - bgfx::submit(0, program); + // Submit primitive for rendering to view 0. + bgfx::submit(0, m_program); + } } - } - // Take screen shot at frame 150. - if (150 == frame) - { - bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE; - bgfx::requestScreenShot(fbh, "temp/frame150"); + // Take screen shot at frame 150. + if (150 == m_frame) + { + bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE; + bgfx::requestScreenShot(fbh, "temp/frame150"); + } + + // 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); + BgfxCallback m_callback; + BgfxAllocator m_allocator; - // Shutdown bgfx. - bgfx::shutdown(); + entry::MouseState m_mouseState; - allocator.dumpStats(); + uint32_t m_width; + uint32_t m_height; + uint32_t m_debug; + uint32_t m_reset; - return 0; -} + bgfx::VertexBufferHandle m_vbh; + bgfx::IndexBufferHandle m_ibh; + bgfx::ProgramHandle m_program; + float m_time; + uint32_t m_frame; +}; + +} // namespace + +ENTRY_IMPLEMENT_MAIN(ExampleCallback, "07-callback", "Implementing application specific callbacks for taking screen shots, caching OpenGL binary shaders, and video capture."); |