2012-10-08 07:41:18 +04:00
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/*
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2019-01-14 04:13:25 +03:00
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* Copyright 2011-2019 Branimir Karadzic. All rights reserved.
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2016-01-01 11:11:04 +03:00
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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2012-10-08 07:41:18 +04:00
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*/
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2013-05-24 09:07:54 +04:00
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#include "common.h"
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2014-05-04 02:18:28 +04:00
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#include "bgfx_utils.h"
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2017-06-26 07:44:04 +03:00
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#include "imgui/imgui.h"
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namespace
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{
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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class ExampleMesh : public entry::AppI
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2012-10-08 07:41:18 +04:00
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{
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2017-06-26 07:44:04 +03:00
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public:
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ExampleMesh(const char* _name, const char* _description)
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: entry::AppI(_name, _description)
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{
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}
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2017-07-15 10:17:29 +03:00
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void init(int32_t _argc, const char* const* _argv, uint32_t _width, uint32_t _height) override
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2016-03-07 02:29:22 +03:00
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{
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Args args(_argc, _argv);
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2016-04-06 05:33:05 +03:00
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2017-06-30 08:23:18 +03:00
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m_width = _width;
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m_height = _height;
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2017-06-26 07:44:04 +03:00
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m_debug = BGFX_DEBUG_NONE;
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2016-03-07 02:29:22 +03:00
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m_reset = BGFX_RESET_VSYNC;
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2013-01-17 10:44:51 +04:00
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2018-04-18 01:42:18 +03:00
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bgfx::Init init;
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init.type = args.m_type;
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init.vendorId = args.m_pciId;
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init.resolution.width = m_width;
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init.resolution.height = m_height;
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init.resolution.reset = m_reset;
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bgfx::init(init);
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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// Enable debug text.
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bgfx::setDebug(m_debug);
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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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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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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u_time = bgfx::createUniform("u_time", bgfx::UniformType::Vec4);
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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// Create program from shaders.
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m_program = loadProgram("vs_mesh", "fs_mesh");
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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m_mesh = meshLoad("meshes/bunny.bin");
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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m_timeOffset = bx::getHPCounter();
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2017-06-26 07:44:04 +03:00
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imguiCreate();
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2016-03-07 02:29:22 +03:00
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}
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2013-04-26 10:30:56 +04:00
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2017-07-15 10:17:29 +03:00
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int shutdown() override
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2012-10-08 07:41:18 +04:00
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{
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2017-06-26 07:44:04 +03:00
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imguiDestroy();
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2016-03-07 02:29:22 +03:00
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meshUnload(m_mesh);
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2014-11-02 10:06:18 +03:00
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2016-03-07 02:29:22 +03:00
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// Cleanup.
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2017-07-18 08:29:43 +03:00
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bgfx::destroy(m_program);
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2014-11-02 10:06:18 +03:00
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2017-07-18 08:29:43 +03:00
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bgfx::destroy(u_time);
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2014-11-02 10:06:18 +03:00
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2016-03-07 02:29:22 +03:00
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// Shutdown bgfx.
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bgfx::shutdown();
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2014-11-02 10:06:18 +03:00
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2016-03-07 02:29:22 +03:00
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return 0;
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}
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2014-11-02 10:06:18 +03:00
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2017-07-15 10:17:29 +03:00
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bool update() override
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2016-03-07 02:29:22 +03:00
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{
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2017-06-26 07:44:04 +03:00
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if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
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2016-03-07 02:29:22 +03:00
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{
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imguiBeginFrame(m_mouseState.m_mx
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, m_mouseState.m_my
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, (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
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| (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
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| (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
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, m_mouseState.m_mz
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, uint16_t(m_width)
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, uint16_t(m_height)
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);
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2017-06-30 09:19:20 +03:00
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showExampleDialog(this);
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2017-06-26 07:44:04 +03:00
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imguiEndFrame();
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2014-11-02 10:06:18 +03:00
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// Set view 0 default viewport.
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2016-05-07 07:29:47 +03:00
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bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
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2016-03-07 02:29:22 +03:00
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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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float time = (float)( (bx::getHPCounter()-m_timeOffset)/double(bx::getHPFrequency() ) );
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bgfx::setUniform(u_time, &time);
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2018-11-17 08:54:20 +03:00
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const bx::Vec3 at = { 0.0f, 1.0f, 0.0f };
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const bx::Vec3 eye = { 0.0f, 1.0f, -2.5f };
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2016-03-07 02:29:22 +03:00
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// Set view and projection matrix for view 0.
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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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2017-02-23 09:17:44 +03:00
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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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2016-03-07 02:29:22 +03:00
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bgfx::setViewTransform(0, view, proj);
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// Set view 0 default viewport.
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2016-05-07 07:29:47 +03:00
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bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
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2016-03-07 02:29:22 +03:00
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}
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float mtx[16];
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bx::mtxRotateXY(mtx
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, 0.0f
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, time*0.37f
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);
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meshSubmit(m_mesh, 0, m_program, mtx);
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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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2017-06-30 09:19:20 +03:00
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return true;
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2014-11-02 10:06:18 +03:00
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}
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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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return false;
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2012-10-08 07:41:18 +04:00
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}
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2017-06-26 07:44:04 +03:00
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entry::MouseState m_mouseState;
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2016-03-07 02:29:22 +03:00
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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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2012-10-08 07:41:18 +04:00
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2016-03-07 02:29:22 +03:00
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int64_t m_timeOffset;
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Mesh* m_mesh;
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bgfx::ProgramHandle m_program;
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bgfx::UniformHandle u_time;
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};
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2012-10-08 07:41:18 +04:00
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2017-06-26 07:44:04 +03:00
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} // namespace
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2017-07-03 06:19:25 +03:00
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ENTRY_IMPLEMENT_MAIN(ExampleMesh, "04-mesh", "Loading meshes.");
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