mirror of https://github.com/bkaradzic/bgfx
callback to entry::AppI (#1165)
This commit is contained in:
attilaz
Branimir Karadžić
parent
ab2d8a7bcc
commit
034a91162d
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@ -310,153 +310,184 @@ private:
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uint32_t m_maxBlocks;
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};
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int _main_(int _argc, char** _argv)
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class ExampleCallback : public entry::AppI
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{
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Args args(_argc, _argv);
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BgfxCallback callback;
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BgfxAllocator allocator;
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uint32_t width = 1280;
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uint32_t height = 720;
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// Enumerate supported backend renderers.
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bgfx::RendererType::Enum renderers[bgfx::RendererType::Count];
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uint8_t numRenderers = bgfx::getSupportedRenderers(BX_COUNTOF(renderers), renderers);
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bgfx::init(bgfx::RendererType::Count == args.m_type
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? renderers[bx::getHPCounter() % numRenderers] /* randomize renderer */
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: args.m_type
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, args.m_pciId
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, 0
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, &callback // custom callback handler
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, &allocator // custom allocator
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);
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bgfx::reset(width, height, BGFX_RESET_CAPTURE|BGFX_RESET_MSAA_X16);
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// Enable debug text.
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bgfx::setDebug(BGFX_DEBUG_TEXT);
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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, 1280, 720);
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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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bgfx::VertexBufferHandle 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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bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
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// Create program from shaders.
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bgfx::ProgramHandle program = loadProgram("vs_callback", "fs_callback");
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float time = 0.0f;
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const bgfx::RendererType::Enum rendererType = bgfx::getRendererType();
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// 5 second 60Hz video
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for (uint32_t frame = 0; frame < 300; ++frame)
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void init(int _argc, char** _argv) BX_OVERRIDE
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{
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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/07-callback");
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bgfx::dbgTextPrintf( 0, 2, 0x6f, "Description: Implementing application specific callbacks for taking screen shots,");
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bgfx::dbgTextPrintf(13, 3, 0x6f, "caching OpenGL binary shaders, and video capture.");
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bgfx::dbgTextPrintf( 0, 4, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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bgfx::dbgTextPrintf( 2, 6, 0x0e, "Supported renderers:");
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for (uint8_t ii = 0; ii < numRenderers; ++ii)
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{
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bgfx::dbgTextPrintf( 2, 7+ii, 0x0c, "[%c] %s"
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, renderers[ii] == rendererType ? '\xfe' : ' '
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, bgfx::getRendererName(renderers[ii])
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);
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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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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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time += 1.0f/60.0f;
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// Submit 11x11 cubes.
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for (uint32_t yy = 0; yy < 11; ++yy)
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{
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for (uint32_t xx = 0; xx < 11-yy; ++xx)
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{
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float mtx[16];
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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 model matrix for rendering.
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bgfx::setTransform(mtx);
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// Set vertex and index buffer.
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bgfx::setVertexBuffer(0, vbh);
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bgfx::setIndexBuffer(ibh);
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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, program);
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}
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}
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// Take screen shot at frame 150.
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if (150 == frame)
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{
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bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
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bgfx::requestScreenShot(fbh, "temp/frame150");
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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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Args args(_argc, _argv);
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m_width = 1280;
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m_height = 720;
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// Enumerate supported backend renderers.
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m_numRenderers = bgfx::getSupportedRenderers(BX_COUNTOF(m_renderers), m_renderers);
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bgfx::init(bgfx::RendererType::Count == args.m_type
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? m_renderers[bx::getHPCounter() % m_numRenderers] /* randomize renderer */
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: args.m_type
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, args.m_pciId
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, 0
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, &m_callback // custom callback handler
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, &m_allocator // custom allocator
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);
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bgfx::reset(m_width, m_height, BGFX_RESET_CAPTURE|BGFX_RESET_MSAA_X16);
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// Enable debug text.
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bgfx::setDebug(BGFX_DEBUG_TEXT);
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// Set view 0 default viewport.
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bgfx::setViewRect(0, 0, 0, 1280, 720);
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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(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
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// Create program from shaders.
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m_program = loadProgram("vs_callback", "fs_callback");
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m_time = 0.0f;
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m_frame = 0;
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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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virtual 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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m_allocator.dumpStats();
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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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// 5 second 60Hz video
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if ( m_frame < 300)
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{
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++m_frame;
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const bgfx::RendererType::Enum rendererType = bgfx::getRendererType();
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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/07-callback");
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bgfx::dbgTextPrintf( 0, 2, 0x6f, "Description: Implementing application specific callbacks for taking screen shots,");
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bgfx::dbgTextPrintf(13, 3, 0x6f, "caching OpenGL binary shaders, and video capture.");
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bgfx::dbgTextPrintf( 0, 4, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
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bgfx::dbgTextPrintf( 2, 6, 0x0e, "Supported renderers:");
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for (uint8_t ii = 0; ii < m_numRenderers; ++ii)
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{
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bgfx::dbgTextPrintf( 2, 7+ii, 0x0c, "[%c] %s"
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, m_renderers[ii] == rendererType ? '\xfe' : ' '
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, bgfx::getRendererName(m_renderers[ii])
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);
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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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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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m_time += 1.0f/60.0f;
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// Submit 11x11 cubes.
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for (uint32_t yy = 0; yy < 11; ++yy)
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{
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for (uint32_t xx = 0; xx < 11-yy; ++xx)
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{
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float mtx[16];
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bx::mtxRotateXY(mtx, m_time + xx*0.21f, m_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 model matrix for rendering.
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bgfx::setTransform(mtx);
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// Set vertex and index buffer.
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bgfx::setVertexBuffer(0, m_vbh);
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bgfx::setIndexBuffer(m_ibh);
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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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// Take screen shot at frame 150.
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if (150 == m_frame)
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{
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bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
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bgfx::requestScreenShot(fbh, "temp/frame150");
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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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return false;
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}
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// Shutdown bgfx.
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bgfx::shutdown();
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BgfxCallback m_callback;
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BgfxAllocator m_allocator;
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uint32_t m_width;
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uint32_t m_height;
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bgfx::RendererType::Enum m_renderers[bgfx::RendererType::Count];
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uint8_t m_numRenderers;
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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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float m_time;
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uint32_t m_frame;
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};
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allocator.dumpStats();
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ENTRY_IMPLEMENT_MAIN(ExampleCallback);
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return 0;
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}
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