956 lines
22 KiB
C++
956 lines
22 KiB
C++
/*
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* Copyright 2011-2017 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#include "common.h"
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#include <bgfx/bgfx.h>
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#include <bx/commandline.h>
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#include <bx/os.h>
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#include <bx/string.h>
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#include <bx/uint32_t.h>
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#include <entry/entry.h>
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#include <entry/input.h>
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#include <entry/cmd.h>
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#include <imgui/imgui.h>
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#include <bgfx_utils.h>
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#include <dirent.h>
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#include <bx/crtimpl.h>
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#include <tinystl/allocator.h>
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#include <tinystl/vector.h>
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#include <string>
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namespace stl = tinystl;
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#include "image.h"
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#include <bgfx/embedded_shader.h>
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#include "vs_texture.bin.h"
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#include "fs_texture.bin.h"
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#include "fs_texture_array.bin.h"
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#include "vs_texture_cube.bin.h"
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#include "fs_texture_cube.bin.h"
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#include "fs_texture_sdf.bin.h"
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static const bgfx::EmbeddedShader s_embeddedShaders[] =
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{
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BGFX_EMBEDDED_SHADER(vs_texture),
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BGFX_EMBEDDED_SHADER(fs_texture),
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BGFX_EMBEDDED_SHADER(fs_texture_array),
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BGFX_EMBEDDED_SHADER(vs_texture_cube),
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BGFX_EMBEDDED_SHADER(fs_texture_cube),
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BGFX_EMBEDDED_SHADER(fs_texture_sdf),
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BGFX_EMBEDDED_SHADER_END()
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};
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static const char* s_supportedExt[] =
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{
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"bmp",
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"dds",
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"exr",
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"gif",
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"jpg",
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"jpeg",
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"hdr",
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"ktx",
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"png",
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"psd",
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"pvr",
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"tga",
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};
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struct Binding
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{
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enum Enum
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{
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App,
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View,
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Count
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};
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};
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static const InputBinding s_bindingApp[] =
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{
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{ entry::Key::Esc, entry::Modifier::None, 1, NULL, "exit" },
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{ entry::Key::KeyF, entry::Modifier::None, 1, NULL, "graphics fullscreen" },
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INPUT_BINDING_END
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};
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static const InputBinding s_bindingView[] =
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{
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{ entry::Key::Comma, entry::Modifier::None, 1, NULL, "view mip prev" },
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{ entry::Key::Period, entry::Modifier::None, 1, NULL, "view mip next" },
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{ entry::Key::Comma, entry::Modifier::LeftShift, 1, NULL, "view mip" },
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{ entry::Key::Comma, entry::Modifier::RightShift, 1, NULL, "view mip" },
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{ entry::Key::Slash, entry::Modifier::None, 1, NULL, "view filter" },
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{ entry::Key::Key0, entry::Modifier::None, 1, NULL, "view zoom 1.0" },
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{ entry::Key::Plus, entry::Modifier::None, 1, NULL, "view zoom +0.1" },
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{ entry::Key::Minus, entry::Modifier::None, 1, NULL, "view zoom -0.1" },
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{ entry::Key::Up, entry::Modifier::None, 1, NULL, "view file-up" },
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{ entry::Key::Down, entry::Modifier::None, 1, NULL, "view file-down" },
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{ entry::Key::PageUp, entry::Modifier::None, 1, NULL, "view file-pgup" },
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{ entry::Key::PageDown, entry::Modifier::None, 1, NULL, "view file-pgdown" },
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{ entry::Key::Left, entry::Modifier::None, 1, NULL, "view layer prev" },
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{ entry::Key::Right, entry::Modifier::None, 1, NULL, "view layer next" },
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{ entry::Key::KeyR, entry::Modifier::None, 1, NULL, "view rgb r" },
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{ entry::Key::KeyG, entry::Modifier::None, 1, NULL, "view rgb g" },
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{ entry::Key::KeyB, entry::Modifier::None, 1, NULL, "view rgb b" },
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{ entry::Key::KeyA, entry::Modifier::None, 1, NULL, "view rgb a" },
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{ entry::Key::KeyH, entry::Modifier::None, 1, NULL, "view help" },
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{ entry::Key::KeyS, entry::Modifier::None, 1, NULL, "view sdf" },
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INPUT_BINDING_END
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};
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static const char* s_bindingName[] =
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{
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"App",
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"View",
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};
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BX_STATIC_ASSERT(Binding::Count == BX_COUNTOF(s_bindingName) );
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static const InputBinding* s_binding[] =
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{
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s_bindingApp,
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s_bindingView,
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};
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BX_STATIC_ASSERT(Binding::Count == BX_COUNTOF(s_binding) );
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struct View
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{
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View()
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: m_fileIndex(0)
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, m_scaleFn(0)
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, m_mip(0)
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, m_layer(0)
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, m_abgr(UINT32_MAX)
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, m_zoom(1.0f)
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, m_filter(true)
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, m_alpha(false)
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, m_help(false)
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, m_sdf(false)
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{
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}
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~View()
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{
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}
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int32_t cmd(int32_t _argc, char const* const* _argv)
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{
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if (_argc >= 2)
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{
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if (0 == strcmp(_argv[1], "mip") )
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{
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if (_argc >= 3)
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{
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uint32_t mip = m_mip;
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if (0 == strcmp(_argv[2], "next") )
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{
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++mip;
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}
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else if (0 == strcmp(_argv[2], "prev") )
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{
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--mip;
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}
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else if (0 == strcmp(_argv[2], "last") )
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{
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mip = INT32_MAX;
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}
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else
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{
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mip = atoi(_argv[2]);
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}
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m_mip = bx::uint32_iclamp(mip, 0, m_info.numMips-1);
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}
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else
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{
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m_mip = 0;
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}
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}
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if (0 == strcmp(_argv[1], "layer") )
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{
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if (_argc >= 3)
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{
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uint32_t layer = m_layer;
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if (0 == strcmp(_argv[2], "next") )
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{
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++layer;
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}
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else if (0 == strcmp(_argv[2], "prev") )
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{
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--layer;
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}
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else if (0 == strcmp(_argv[2], "last") )
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{
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layer = INT32_MAX;
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}
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else
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{
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layer = atoi(_argv[2]);
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}
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m_layer = bx::uint32_iclamp(layer, 0, m_info.numLayers-1);
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}
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else
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{
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m_layer = 0;
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}
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}
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else if (0 == strcmp(_argv[1], "zoom") )
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{
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if (_argc >= 3)
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{
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float zoom = (float)atof(_argv[2]);
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if (_argv[2][0] == '+'
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|| _argv[2][0] == '-')
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{
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m_zoom += zoom;
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}
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else
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{
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m_zoom = zoom;
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}
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m_zoom = bx::fclamp(m_zoom, 0.001f, 10.0f);
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}
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else
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{
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m_zoom = 1.0f;
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}
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}
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else if (0 == strcmp(_argv[1], "filter") )
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{
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if (_argc >= 3)
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{
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m_filter = bx::toBool(_argv[2]);
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}
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else
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{
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m_filter ^= true;
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}
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}
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else if (0 == strcmp(_argv[1], "file-up") )
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{
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m_fileIndex = bx::uint32_satsub(m_fileIndex, 1);
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}
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else if (0 == strcmp(_argv[1], "file-down") )
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{
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uint32_t numFiles = bx::uint32_satsub(uint32_t(m_fileList.size() ), 1);
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++m_fileIndex;
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m_fileIndex = bx::uint32_min(m_fileIndex, numFiles);
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}
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else if (0 == strcmp(_argv[1], "rgb") )
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{
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if (_argc >= 3)
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{
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if (_argv[2][0] == 'r')
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{
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m_abgr ^= 0x000000ff;
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}
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else if (_argv[2][0] == 'g')
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{
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m_abgr ^= 0x0000ff00;
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}
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else if (_argv[2][0] == 'b')
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{
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m_abgr ^= 0x00ff0000;
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}
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else if (_argv[2][0] == 'a')
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{
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m_alpha ^= true;
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}
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}
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else
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{
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m_abgr = UINT32_MAX;
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m_alpha = false;
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}
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}
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else if (0 == strcmp(_argv[1], "sdf") )
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{
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m_sdf ^= true;
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}
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else if (0 == strcmp(_argv[1], "help") )
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{
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m_help ^= true;
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}
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}
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return 0;
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}
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void updateFileList(const char* _path, const char* _fileName = "")
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{
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std::string path = _path;
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DIR* dir = opendir(_path);
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if (NULL == dir)
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{
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path = ".";
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}
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dir = opendir(path.c_str() );
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if (NULL != dir)
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{
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for (dirent* item = readdir(dir); NULL != item; item = readdir(dir) )
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{
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if (0 == (item->d_type & DT_DIR) )
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{
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const char* ext = strrchr(item->d_name, '.');
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if (NULL != ext)
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{
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ext += 1;
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bool supported = false;
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for (uint32_t ii = 0; ii < BX_COUNTOF(s_supportedExt); ++ii)
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{
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if (0 == bx::strincmp(ext, s_supportedExt[ii]) )
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{
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supported = true;
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break;
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}
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}
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if (supported)
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{
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if (0 == strcmp(_fileName, item->d_name) )
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{
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m_fileIndex = uint32_t(m_fileList.size() );
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}
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std::string name = path;
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char ch = name[name.size()-1];
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name += '/' == ch || '\\' == ch ? "" : "/";
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name += item->d_name;
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m_fileList.push_back(name);
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}
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}
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}
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}
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closedir(dir);
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}
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}
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typedef stl::vector<std::string> FileList;
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FileList m_fileList;
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bgfx::TextureInfo m_info;
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uint32_t m_fileIndex;
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uint32_t m_scaleFn;
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uint32_t m_mip;
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uint32_t m_layer;
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uint32_t m_abgr;
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float m_zoom;
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bool m_filter;
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bool m_alpha;
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bool m_help;
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bool m_sdf;
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};
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int cmdView(CmdContext* /*_context*/, void* _userData, int _argc, char const* const* _argv)
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{
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View* view = static_cast<View*>(_userData);
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return view->cmd(_argc, _argv);
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}
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struct PosUvColorVertex
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{
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float m_x;
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float m_y;
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float m_u;
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float m_v;
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uint32_t m_abgr;
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static void init()
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{
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ms_decl
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.begin()
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.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float)
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.add(bgfx::Attrib::TexCoord0, 2, bgfx::AttribType::Float)
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.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true)
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.end();
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}
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static bgfx::VertexDecl ms_decl;
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};
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bgfx::VertexDecl PosUvColorVertex::ms_decl;
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bool screenQuad(int32_t _x, int32_t _y, int32_t _width, uint32_t _height, uint32_t _abgr, bool _originBottomLeft = false)
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{
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if (6 == bgfx::getAvailTransientVertexBuffer(6, PosUvColorVertex::ms_decl) )
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{
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bgfx::TransientVertexBuffer vb;
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bgfx::allocTransientVertexBuffer(&vb, 6, PosUvColorVertex::ms_decl);
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PosUvColorVertex* vertex = (PosUvColorVertex*)vb.data;
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const float widthf = float(_width);
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const float heightf = float(_height);
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const float minx = float(_x);
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const float miny = float(_y);
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const float maxx = minx+widthf;
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const float maxy = miny+heightf;
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float m_halfTexel = 0.0f;
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const float texelHalfW = m_halfTexel/widthf;
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const float texelHalfH = m_halfTexel/heightf;
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const float minu = texelHalfW;
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const float maxu = 1.0f - texelHalfW;
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const float minv = _originBottomLeft ? texelHalfH+1.0f : texelHalfH ;
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const float maxv = _originBottomLeft ? texelHalfH : texelHalfH+1.0f;
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vertex[0].m_x = minx;
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vertex[0].m_y = miny;
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vertex[0].m_u = minu;
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vertex[0].m_v = minv;
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vertex[1].m_x = maxx;
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vertex[1].m_y = miny;
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vertex[1].m_u = maxu;
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vertex[1].m_v = minv;
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vertex[2].m_x = maxx;
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vertex[2].m_y = maxy;
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vertex[2].m_u = maxu;
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vertex[2].m_v = maxv;
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vertex[3].m_x = maxx;
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vertex[3].m_y = maxy;
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vertex[3].m_u = maxu;
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vertex[3].m_v = maxv;
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vertex[4].m_x = minx;
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vertex[4].m_y = maxy;
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vertex[4].m_u = minu;
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vertex[4].m_v = maxv;
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vertex[5].m_x = minx;
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vertex[5].m_y = miny;
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vertex[5].m_u = minu;
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vertex[5].m_v = minv;
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vertex[0].m_abgr = _abgr;
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vertex[1].m_abgr = _abgr;
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vertex[2].m_abgr = _abgr;
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vertex[3].m_abgr = _abgr;
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vertex[4].m_abgr = _abgr;
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vertex[5].m_abgr = _abgr;
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bgfx::setVertexBuffer(&vb);
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return true;
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}
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return false;
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}
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struct Interpolator
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{
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float from;
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float to;
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float duration;
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int64_t offset;
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Interpolator(float _value)
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{
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reset(_value);
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}
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void reset(float _value)
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{
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from = _value;
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to = _value;
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duration = 0.0;
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offset = bx::getHPCounter();
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}
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void set(float _value, float _duration)
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{
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if (_value != to)
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{
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from = getValue();
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to = _value;
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duration = _duration;
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offset = bx::getHPCounter();
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}
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}
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float getValue()
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{
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if (duration > 0.0)
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{
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const double freq = double(bx::getHPFrequency() );
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int64_t now = bx::getHPCounter();
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float time = (float)(double(now - offset) / freq);
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float lerp = bx::fclamp(time, 0.0, duration) / duration;
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return bx::flerp(from, to, lerp);
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}
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return to;
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}
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};
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void help(const char* _error = NULL)
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{
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if (NULL != _error)
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{
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fprintf(stderr, "Error:\n%s\n\n", _error);
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}
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fprintf(stderr
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, "texturev, bgfx texture viewer tool\n"
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"Copyright 2011-2017 Branimir Karadzic. All rights reserved.\n"
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"License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause\n\n"
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);
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fprintf(stderr
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, "Usage: texturev <file path>\n"
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"\n"
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"Supported input file types:\n"
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);
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for (uint32_t ii = 0; ii < BX_COUNTOF(s_supportedExt); ++ii)
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{
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fprintf(stderr, " *.%s\n", s_supportedExt[ii]);
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}
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fprintf(stderr
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, "\n"
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"Options:\n"
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" --associate Associate file extensions with texturev.\n"
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"\n"
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"For additional information, see https://github.com/bkaradzic/bgfx\n"
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);
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}
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void associate()
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{
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#if BX_PLATFORM_WINDOWS
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std::string str;
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char exec[MAX_PATH];
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GetModuleFileNameA(GetModuleHandleA(NULL), exec, MAX_PATH);
|
|
|
|
std::string strExec = bx::replaceAll<std::string>(exec, "\\", "\\\\");
|
|
|
|
std::string value;
|
|
bx::stringPrintf(value, "@=\"\\\"%s\\\" \\\"%%1\\\"\"\r\n\r\n", strExec.c_str() );
|
|
|
|
str += "Windows Registry Editor Version 5.00\r\n\r\n";
|
|
|
|
str += "[HKEY_CLASSES_ROOT\\texturev\\shell\\open\\command]\r\n";
|
|
str += value;
|
|
|
|
str += "[HKEY_CLASSES_ROOT\\Applications\\texturev.exe\\shell\\open\\command]\r\n";
|
|
str += value;
|
|
|
|
for (uint32_t ii = 0; ii < BX_COUNTOF(s_supportedExt); ++ii)
|
|
{
|
|
const char* ext = s_supportedExt[ii];
|
|
|
|
bx::stringPrintf(str, "[-HKEY_CLASSES_ROOT\\.%s]\r\n\r\n", ext);
|
|
bx::stringPrintf(str, "[-HKEY_CURRENT_USER\\Software\\Classes\\.%s]\r\n\r\n", ext);
|
|
|
|
bx::stringPrintf(str, "[HKEY_CLASSES_ROOT\\.%s]\r\n@=\"texturev\"\r\n\r\n", ext);
|
|
bx::stringPrintf(str, "[HKEY_CURRENT_USER\\Software\\Classes\\.%s]\r\n@=\"texturev\"\r\n\r\n", ext);
|
|
}
|
|
|
|
char temp[MAX_PATH];
|
|
GetTempPathA(MAX_PATH, temp);
|
|
strcat(temp, "\\texturev.reg");
|
|
|
|
bx::CrtFileWriter writer;
|
|
bx::Error err;
|
|
if (bx::open(&writer, temp, false, &err) )
|
|
{
|
|
bx::write(&writer, str.c_str(), uint32_t(str.length()), &err);
|
|
bx::close(&writer);
|
|
|
|
if (err.isOk() )
|
|
{
|
|
std::string cmd;
|
|
bx::stringPrintf(cmd, "regedit.exe /s %s", temp);
|
|
|
|
bx::ProcessReader reader;
|
|
if (bx::open(&reader, cmd.c_str(), &err) )
|
|
{
|
|
bx::close(&reader);
|
|
}
|
|
}
|
|
}
|
|
#elif BX_PLATFORM_LINUX
|
|
std::string str;
|
|
str += "#/bin/bash\n\n";
|
|
|
|
for (uint32_t ii = 0; ii < BX_COUNTOF(s_supportedExt); ++ii)
|
|
{
|
|
const char* ext = s_supportedExt[ii];
|
|
bx::stringPrintf(str, "xdg-mime default texturev.desktop image/%s\n", ext);
|
|
}
|
|
|
|
str += "\n";
|
|
|
|
bx::CrtFileWriter writer;
|
|
bx::Error err;
|
|
if (bx::open(&writer, "/tmp/texturev.sh", false, &err) )
|
|
{
|
|
bx::write(&writer, str.c_str(), uint32_t(str.length()), &err);
|
|
bx::close(&writer);
|
|
|
|
if (err.isOk() )
|
|
{
|
|
bx::ProcessReader reader;
|
|
if (bx::open(&reader, "/bin/bash /tmp/texturev.sh", &err) )
|
|
{
|
|
bx::close(&reader);
|
|
}
|
|
}
|
|
}
|
|
#endif // BX_PLATFORM_WINDOWS
|
|
}
|
|
|
|
int _main_(int _argc, char** _argv)
|
|
{
|
|
bx::CommandLine cmdLine(_argc, _argv);
|
|
|
|
if (cmdLine.hasArg('h', "help") )
|
|
{
|
|
help();
|
|
return EXIT_FAILURE;
|
|
}
|
|
else if (cmdLine.hasArg("associate") )
|
|
{
|
|
associate();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
uint32_t width = 1280;
|
|
uint32_t height = 720;
|
|
uint32_t debug = BGFX_DEBUG_TEXT;
|
|
uint32_t reset = BGFX_RESET_VSYNC;
|
|
|
|
inputAddBindings(s_bindingName[Binding::App], s_binding[Binding::App]);
|
|
inputAddBindings(s_bindingName[Binding::View], s_binding[Binding::View]);
|
|
|
|
View view;
|
|
cmdAdd("view", cmdView, &view);
|
|
|
|
bgfx::init();
|
|
bgfx::reset(width, height, reset);
|
|
|
|
// Set view 0 clear state.
|
|
bgfx::setViewClear(0
|
|
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
|
|
, 0x101010ff
|
|
, 1.0f
|
|
, 0
|
|
);
|
|
|
|
imguiCreate();
|
|
|
|
PosUvColorVertex::init();
|
|
|
|
bgfx::RendererType::Enum type = bgfx::getRendererType();
|
|
|
|
bgfx::ShaderHandle vsTexture = bgfx::createEmbeddedShader(s_embeddedShaders, type, "vs_texture");
|
|
bgfx::ShaderHandle fsTexture = bgfx::createEmbeddedShader(s_embeddedShaders, type, "fs_texture");
|
|
bgfx::ShaderHandle fsTextureArray = bgfx::createEmbeddedShader(s_embeddedShaders, type, "fs_texture_array");
|
|
|
|
bgfx::ProgramHandle textureProgram = bgfx::createProgram(
|
|
vsTexture
|
|
, fsTexture
|
|
, true
|
|
);
|
|
|
|
bgfx::ProgramHandle textureArrayProgram = bgfx::createProgram(
|
|
vsTexture
|
|
, bgfx::isValid(fsTextureArray)
|
|
? fsTextureArray
|
|
: fsTexture
|
|
, true
|
|
);
|
|
|
|
bgfx::ProgramHandle textureCubeProgram = bgfx::createProgram(
|
|
bgfx::createEmbeddedShader(s_embeddedShaders, type, "vs_texture_cube")
|
|
, bgfx::createEmbeddedShader(s_embeddedShaders, type, "fs_texture_cube")
|
|
, true
|
|
);
|
|
|
|
bgfx::ProgramHandle textureSDFProgram = bgfx::createProgram(
|
|
vsTexture
|
|
, bgfx::createEmbeddedShader(s_embeddedShaders, type, "fs_texture_sdf")
|
|
, true);
|
|
|
|
bgfx::UniformHandle s_texColor = bgfx::createUniform("s_texColor", bgfx::UniformType::Int1);
|
|
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Mat4);
|
|
bgfx::UniformHandle u_params = bgfx::createUniform("u_params", bgfx::UniformType::Vec4);
|
|
|
|
float speed = 0.37f;
|
|
float time = 0.0f;
|
|
|
|
Interpolator mip(0.0f);
|
|
Interpolator layer(0.0f);
|
|
Interpolator zoom(1.0f);
|
|
Interpolator scale(1.0f);
|
|
|
|
const char* filePath = _argc < 2 ? "" : _argv[1];
|
|
bool directory = false;
|
|
|
|
bx::FileInfo fi;
|
|
bx::stat(filePath, fi);
|
|
directory = bx::FileInfo::Directory == fi.m_type;
|
|
|
|
std::string path = filePath;
|
|
if (!directory)
|
|
{
|
|
const char* fileName = directory ? filePath : bx::baseName(filePath);
|
|
path.assign(filePath, fileName);
|
|
view.updateFileList(path.c_str(), fileName);
|
|
}
|
|
else
|
|
{
|
|
view.updateFileList(path.c_str() );
|
|
}
|
|
|
|
int exitcode = EXIT_SUCCESS;
|
|
bgfx::TextureHandle texture = BGFX_INVALID_HANDLE;
|
|
|
|
if (view.m_fileList.empty() )
|
|
{
|
|
exitcode = EXIT_FAILURE;
|
|
if (2 > _argc)
|
|
{
|
|
help("File path is not specified.");
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "Unable to load '%s' texture.\n", filePath);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uint32_t fileIndex = 0;
|
|
|
|
entry::MouseState mouseState;
|
|
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
|
|
{
|
|
imguiBeginFrame(mouseState.m_mx
|
|
, mouseState.m_my
|
|
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
|
|
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
|
|
| (mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
|
|
, mouseState.m_mz
|
|
, uint16_t(width)
|
|
, uint16_t(height)
|
|
);
|
|
|
|
static bool help = false;
|
|
|
|
if (help == false
|
|
&& help != view.m_help)
|
|
{
|
|
ImGui::OpenPopup("Help");
|
|
}
|
|
|
|
if (ImGui::BeginPopupModal("Help", NULL, ImGuiWindowFlags_AlwaysAutoResize) )
|
|
{
|
|
ImGui::SetWindowFontScale(1.0f);
|
|
|
|
ImGui::Text(
|
|
"texturev, bgfx texture viewer tool " ICON_KI_WRENCH "\n"
|
|
"Copyright 2011-2017 Branimir Karadzic. All rights reserved.\n"
|
|
"License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause\n"
|
|
);
|
|
ImGui::Separator();
|
|
ImGui::NextLine();
|
|
|
|
ImGui::Text("Key bindings:\n\n");
|
|
|
|
ImGui::PushFont(ImGui::Font::Mono);
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "ESC"); ImGui::SameLine(64); ImGui::Text("Exit.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "h"); ImGui::SameLine(64); ImGui::Text("Toggle help screen.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "f"); ImGui::SameLine(64); ImGui::Text("Toggle full-screen.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "-"); ImGui::SameLine(64); ImGui::Text("Zoom out.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "="); ImGui::SameLine(64); ImGui::Text("Zoom in.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), ","); ImGui::SameLine(64); ImGui::Text("MIP level up.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "."); ImGui::SameLine(64); ImGui::Text("MIP level down.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "/"); ImGui::SameLine(64); ImGui::Text("Toggle linear/point texture sampling.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "left"); ImGui::SameLine(64); ImGui::Text("Previous layer in texture array.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "right"); ImGui::SameLine(64); ImGui::Text("Next layer in texture array.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "up"); ImGui::SameLine(64); ImGui::Text("Previous texture.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "down"); ImGui::SameLine(64); ImGui::Text("Next texture.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "r/g/b"); ImGui::SameLine(64); ImGui::Text("Toggle R, G, or B color channel.");
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "a"); ImGui::SameLine(64); ImGui::Text("Toggle alpha blending.");
|
|
ImGui::NextLine();
|
|
|
|
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.0f, 1.0f), "s"); ImGui::SameLine(64); ImGui::Text("Toggle Multi-channel SDF rendering");
|
|
|
|
ImGui::PopFont();
|
|
|
|
ImGui::NextLine();
|
|
|
|
ImGui::Dummy(ImVec2(0.0f, 0.0f) );
|
|
ImGui::SameLine(ImGui::GetWindowWidth() - 136.0f);
|
|
if (ImGui::Button("Close", ImVec2(128.0f, 0.0f) )
|
|
|| !view.m_help)
|
|
{
|
|
view.m_help = false;
|
|
ImGui::CloseCurrentPopup();
|
|
}
|
|
|
|
ImGui::EndPopup();
|
|
}
|
|
|
|
help = view.m_help;
|
|
|
|
imguiEndFrame();
|
|
|
|
if (!bgfx::isValid(texture)
|
|
|| view.m_fileIndex != fileIndex)
|
|
{
|
|
if (bgfx::isValid(texture) )
|
|
{
|
|
bgfx::destroyTexture(texture);
|
|
}
|
|
|
|
fileIndex = view.m_fileIndex;
|
|
|
|
filePath = view.m_fileList[view.m_fileIndex].c_str();
|
|
|
|
texture = loadTexture(filePath
|
|
, 0
|
|
| BGFX_TEXTURE_U_CLAMP
|
|
| BGFX_TEXTURE_V_CLAMP
|
|
| BGFX_TEXTURE_W_CLAMP
|
|
, 0
|
|
, &view.m_info
|
|
);
|
|
|
|
std::string title;
|
|
bx::stringPrintf(title, "%s (%d x %d%s, %s)"
|
|
, filePath
|
|
, view.m_info.width
|
|
, view.m_info.height
|
|
, view.m_info.cubeMap ? " CubeMap" : ""
|
|
, bgfx::getName(view.m_info.format)
|
|
);
|
|
entry::WindowHandle handle = { 0 };
|
|
entry::setWindowTitle(handle, title.c_str() );
|
|
}
|
|
|
|
int64_t now = bx::getHPCounter();
|
|
static int64_t last = now;
|
|
const int64_t frameTime = now - last;
|
|
last = now;
|
|
const double freq = double(bx::getHPFrequency() );
|
|
|
|
time += (float)(frameTime*speed/freq);
|
|
|
|
float ortho[16];
|
|
bx::mtxOrtho(ortho, 0.0f, (float)width, (float)height, 0.0f, 0.0f, 1000.0f);
|
|
bgfx::setViewTransform(0, NULL, ortho);
|
|
bgfx::setViewRect(0, 0, 0, uint16_t(width), uint16_t(height) );
|
|
bgfx::touch(0);
|
|
|
|
bgfx::dbgTextClear();
|
|
|
|
scale.set(
|
|
bx::fmin( float(width) / float(view.m_info.width)
|
|
, float(height) / float(view.m_info.height)
|
|
)
|
|
, 0.1f
|
|
);
|
|
zoom.set(view.m_zoom, 0.25);
|
|
|
|
float ss = scale.getValue() * zoom.getValue();
|
|
|
|
screenQuad( int(width - view.m_info.width * ss)/2
|
|
, int(height - view.m_info.height * ss)/2
|
|
, int(view.m_info.width * ss)
|
|
, int(view.m_info.height * ss)
|
|
, view.m_abgr
|
|
);
|
|
|
|
float mtx[16];
|
|
bx::mtxRotateXY(mtx, 0.0f, time);
|
|
bgfx::setUniform(u_mtx, mtx);
|
|
|
|
mip.set(float(view.m_mip), 0.5f);
|
|
layer.set(float(view.m_layer), 0.25f);
|
|
|
|
float params[4] = { mip.getValue(), layer.getValue(), 0.0f, 0.0f };
|
|
bgfx::setUniform(u_params, params);
|
|
|
|
bgfx::setTexture(0
|
|
, s_texColor
|
|
, texture
|
|
, view.m_filter
|
|
? BGFX_TEXTURE_NONE
|
|
: 0
|
|
| BGFX_TEXTURE_MIN_POINT
|
|
| BGFX_TEXTURE_MIP_POINT
|
|
| BGFX_TEXTURE_MAG_POINT
|
|
);
|
|
bgfx::setState(0
|
|
| BGFX_STATE_RGB_WRITE
|
|
| BGFX_STATE_ALPHA_WRITE
|
|
| (view.m_alpha ? BGFX_STATE_BLEND_ALPHA : BGFX_STATE_NONE)
|
|
);
|
|
bgfx::submit(0
|
|
, view.m_info.cubeMap ? textureCubeProgram
|
|
: 1 < view.m_info.numLayers ? textureArrayProgram
|
|
: view.m_sdf ? textureSDFProgram
|
|
: textureProgram
|
|
);
|
|
|
|
bgfx::frame();
|
|
}
|
|
}
|
|
|
|
if (bgfx::isValid(texture) )
|
|
{
|
|
bgfx::destroyTexture(texture);
|
|
}
|
|
bgfx::destroyUniform(s_texColor);
|
|
bgfx::destroyUniform(u_mtx);
|
|
bgfx::destroyUniform(u_params);
|
|
bgfx::destroyProgram(textureProgram);
|
|
bgfx::destroyProgram(textureArrayProgram);
|
|
bgfx::destroyProgram(textureCubeProgram);
|
|
|
|
imguiDestroy();
|
|
|
|
bgfx::shutdown();
|
|
|
|
return exitcode;
|
|
}
|