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Cleanup.

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This commit is contained in:
Branimir Karadžić
2016-11-14 21:46:59 -08:00
parent ea5abbef2f
commit a96372cd69
3 changed files with 300 additions and 229 deletions
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494
examples/22-windows/windows.cpp
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@@ -8,6 +8,8 @@
#include <entry/input.h>
#include <bx/string.h>
#define MAX_WINDOWS 8
struct PosColorVertex
{
float m_x;
@@ -57,253 +59,307 @@ static const uint16_t s_cubeIndices[36] =
6, 3, 7,
};
#define MAX_WINDOWS 8
entry::WindowState windows[MAX_WINDOWS];
void cmdCreateWindow(const void* _userData);
void cmdDestroyWindow(const void* _userData);
void cmdCreateWindow(const void* /*_userData*/)
class ExampleWindows : public entry::AppI
{
entry::WindowHandle handle = entry::createWindow(rand()%1280, rand()%720, 640, 480);
if (entry::isValid(handle) )
public:
void init(int _argc, char** _argv) BX_OVERRIDE
{
char str[256];
bx::snprintf(str, BX_COUNTOF(str), "Window - handle %d", handle.idx);
entry::setWindowTitle(handle, str);
windows[handle.idx].m_handle = handle;
}
}
Args args(_argc, _argv);
void cmdDestroyWindow(const void* /*_userData*/)
{
for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii)
{
if (entry::isValid(windows[ii].m_handle) )
{
entry::destroyWindow(windows[ii].m_handle);
windows[ii].m_handle.idx = UINT16_MAX;
return;
}
}
}
m_width = 1280;
m_height = 720;
m_debug = BGFX_DEBUG_TEXT;
m_reset = BGFX_RESET_VSYNC;
static const InputBinding s_bindings[] =
{
{ entry::Key::KeyC, entry::Modifier::None, 1, cmdCreateWindow, NULL },
{ entry::Key::KeyD, entry::Modifier::None, 1, cmdDestroyWindow, NULL },
INPUT_BINDING_END
};
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(m_width, m_height, m_reset);
int _main_(int _argc, char** _argv)
{
Args args(_argc, _argv);
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(width, height, reset);
const bgfx::Caps* caps = bgfx::getCaps();
bool swapChainSupported = 0 != (caps->supported & BGFX_CAPS_SWAP_CHAIN);
if (swapChainSupported)
{
inputAddBindings("22-windows", s_bindings);
}
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
// Create vertex stream declaration.
PosColorVertex::init();
// Create static vertex buffer.
bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
, PosColorVertex::ms_decl
);
// Create static index buffer.
bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) )
);
// Create program from shaders.
bgfx::ProgramHandle program = loadProgram("vs_cubes", "fs_cubes");
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -35.0f };
int64_t timeOffset = bx::getHPCounter();
bgfx::FrameBufferHandle fbh[MAX_WINDOWS];
memset(fbh, 0xff, sizeof(fbh) );
entry::WindowState state;
while (!entry::processWindowEvents(state, debug, reset) )
{
if (isValid(state.m_handle) )
{
if (0 == state.m_handle.idx)
{
width = state.m_width;
height = state.m_height;
}
else
{
uint8_t viewId = (uint8_t)state.m_handle.idx;
entry::WindowState& win = windows[viewId];
if (win.m_nwh != state.m_nwh
|| (win.m_width != state.m_width
|| win.m_height != state.m_height) )
{
// When window changes size or native window handle changed
// frame buffer must be recreated.
if (bgfx::isValid(fbh[viewId]) )
{
bgfx::destroyFrameBuffer(fbh[viewId]);
fbh[viewId].idx = bgfx::invalidHandle;
}
win.m_nwh = state.m_nwh;
win.m_width = state.m_width;
win.m_height = state.m_height;
if (NULL != win.m_nwh)
{
fbh[viewId] = bgfx::createFrameBuffer(win.m_nwh, win.m_width, win.m_height);
}
else
{
win.m_handle.idx = UINT16_MAX;
}
}
}
}
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::setViewTransform(0, view, proj);
bgfx::setViewRect(0, 0, 0, width, height);
// 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);
// Set view and projection matrix for view 0.
for (uint32_t ii = 1; ii < MAX_WINDOWS; ++ii)
{
bgfx::setViewTransform(ii, view, proj);
bgfx::setViewFrameBuffer(ii, fbh[ii]);
if (!bgfx::isValid(fbh[ii]) )
{
// Set view to default viewport.
bgfx::setViewRect(ii, 0, 0, width, height);
bgfx::setViewClear(ii, BGFX_CLEAR_NONE);
}
else
{
bgfx::setViewRect(ii, 0, 0, windows[ii].m_width, windows[ii].m_height);
bgfx::setViewClear(ii
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 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;
float time = (float)( (now-timeOffset)/double(bx::getHPFrequency() ) );
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/22-windows");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering into multiple windows.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
const bgfx::Caps* caps = bgfx::getCaps();
bool swapChainSupported = 0 != (caps->supported & BGFX_CAPS_SWAP_CHAIN);
if (swapChainSupported)
{
bgfx::dbgTextPrintf(0, 5, 0x2f, "Press 'c' to create or 'd' to destroy window.");
m_bindings = (InputBinding*)BX_ALLOC(entry::getAllocator(), sizeof(InputBinding)*3);
m_bindings[0].set(entry::Key::KeyC, entry::Modifier::None, 1, cmdCreateWindow, this);
m_bindings[1].set(entry::Key::KeyD, entry::Modifier::None, 1, cmdDestroyWindow, this);
m_bindings[2].end();
inputAddBindings("22-windows", m_bindings);
}
else
{
bool blink = uint32_t(time*3.0f)&1;
bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Multiple windows is not supported by `%s` renderer. ", bgfx::getRendererName(caps->rendererType) );
m_bindings = NULL;
}
uint32_t count = 0;
// Enable m_debug text.
bgfx::setDebug(m_debug);
// Submit 11x11 cubes.
for (uint32_t yy = 0; yy < 11; ++yy)
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
// Create vertex stream declaration.
PosColorVertex::init();
// Create static vertex buffer.
m_vbh = bgfx::createVertexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
, PosColorVertex::ms_decl
);
// Create static index buffer.
m_ibh = bgfx::createIndexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) )
);
// Create program from shaders.
m_program = loadProgram("vs_cubes", "fs_cubes");
m_timeOffset = bx::getHPCounter();
memset(m_fbh, 0xff, sizeof(m_fbh) );
}
virtual int shutdown() BX_OVERRIDE
{
for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii)
{
for (uint32_t xx = 0; xx < 11; ++xx)
if (bgfx::isValid(m_fbh[ii]) )
{
float mtx[16];
bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f);
mtx[12] = -15.0f + float(xx)*3.0f;
mtx[13] = -15.0f + float(yy)*3.0f;
mtx[14] = 0.0f;
// Set model matrix for rendering.
bgfx::setTransform(mtx);
// Set vertex and index buffer.
bgfx::setVertexBuffer(vbh);
bgfx::setIndexBuffer(ibh);
// Set render states.
bgfx::setState(BGFX_STATE_DEFAULT);
// Submit primitive for rendering.
bgfx::submit(count%MAX_WINDOWS, program);
++count;
bgfx::destroyFrameBuffer(m_fbh[ii]);
}
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
BX_FREE(entry::getAllocator(), m_bindings);
// Cleanup.
bgfx::destroyIndexBuffer(m_ibh);
bgfx::destroyVertexBuffer(m_vbh);
bgfx::destroyProgram(m_program);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii)
bool update() BX_OVERRIDE
{
if (bgfx::isValid(fbh[ii]) )
entry::WindowState state;
if (!entry::processWindowEvents(state, m_debug, m_reset) )
{
bgfx::destroyFrameBuffer(fbh[ii]);
if (isValid(state.m_handle) )
{
if (0 == state.m_handle.idx)
{
m_width = state.m_width;
m_height = state.m_height;
}
else
{
uint8_t viewId = (uint8_t)state.m_handle.idx;
entry::WindowState& win = m_windows[viewId];
if (win.m_nwh != state.m_nwh
|| (win.m_width != state.m_width
|| win.m_height != state.m_height) )
{
// When window changes size or native window handle changed
// frame buffer must be recreated.
if (bgfx::isValid(m_fbh[viewId]) )
{
bgfx::destroyFrameBuffer(m_fbh[viewId]);
m_fbh[viewId].idx = bgfx::invalidHandle;
}
win.m_nwh = state.m_nwh;
win.m_width = state.m_width;
win.m_height = state.m_height;
if (NULL != win.m_nwh)
{
m_fbh[viewId] = bgfx::createFrameBuffer(win.m_nwh, win.m_width, win.m_height);
}
else
{
win.m_handle.idx = UINT16_MAX;
}
}
}
}
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -35.0f };
float view[16];
bx::mtxLookAt(view, eye, at);
float proj[16];
bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
bgfx::setViewRect(0, 0, 0, m_width, m_height);
// 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);
// Set view and projection matrix for view 0.
for (uint32_t ii = 1; ii < MAX_WINDOWS; ++ii)
{
bgfx::setViewTransform(ii, view, proj);
bgfx::setViewFrameBuffer(ii, m_fbh[ii]);
if (!bgfx::isValid(m_fbh[ii]) )
{
// Set view to default viewport.
bgfx::setViewRect(ii, 0, 0, m_width, m_height);
bgfx::setViewClear(ii, BGFX_CLEAR_NONE);
}
else
{
bgfx::setViewRect(ii, 0, 0, m_windows[ii].m_width, m_windows[ii].m_height);
bgfx::setViewClear(ii
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 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;
float time = (float)( (now-m_timeOffset)/double(bx::getHPFrequency() ) );
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/22-windows");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Rendering into multiple windows.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
if (NULL != m_bindings)
{
bgfx::dbgTextPrintf(0, 5, 0x2f, "Press 'c' to create or 'd' to destroy window.");
}
else
{
bool blink = uint32_t(time*3.0f)&1;
bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Multiple windows is not supported by `%s` renderer. ", bgfx::getRendererName(bgfx::getCaps()->rendererType) );
}
uint32_t count = 0;
// Submit 11x11 cubes.
for (uint32_t yy = 0; yy < 11; ++yy)
{
for (uint32_t xx = 0; xx < 11; ++xx)
{
float mtx[16];
bx::mtxRotateXY(mtx, time + xx*0.21f, time + yy*0.37f);
mtx[12] = -15.0f + float(xx)*3.0f;
mtx[13] = -15.0f + float(yy)*3.0f;
mtx[14] = 0.0f;
// Set model matrix for rendering.
bgfx::setTransform(mtx);
// Set vertex and index buffer.
bgfx::setVertexBuffer(m_vbh);
bgfx::setIndexBuffer(m_ibh);
// Set render states.
bgfx::setState(BGFX_STATE_DEFAULT);
// Submit primitive for rendering.
bgfx::submit(count%MAX_WINDOWS, m_program);
++count;
}
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
return true;
}
return false;
}
void createWindow()
{
entry::WindowHandle handle = entry::createWindow(rand()%1280, rand()%720, 640, 480);
if (entry::isValid(handle) )
{
char str[256];
bx::snprintf(str, BX_COUNTOF(str), "Window - handle %d", handle.idx);
entry::setWindowTitle(handle, str);
m_windows[handle.idx].m_handle = handle;
}
}
// entry::destroyWindow(win.m_handle);
void destroyWindow()
{
for (uint32_t ii = 0; ii < MAX_WINDOWS; ++ii)
{
if (bgfx::isValid(m_fbh[ii]) )
{
bgfx::destroyFrameBuffer(m_fbh[ii]);
m_fbh[ii].idx = bgfx::invalidHandle;
// Cleanup.
bgfx::destroyIndexBuffer(ibh);
bgfx::destroyVertexBuffer(vbh);
bgfx::destroyProgram(program);
// Flush destruction of swap chain before destroying window!
bgfx::frame();
bgfx::frame();
}
// Shutdown bgfx.
bgfx::shutdown();
if (entry::isValid(m_windows[ii].m_handle) )
{
entry::destroyWindow(m_windows[ii].m_handle);
m_windows[ii].m_handle.idx = UINT16_MAX;
return;
}
}
}
return 0;
uint32_t m_width;
uint32_t m_height;
uint32_t m_debug;
uint32_t m_reset;
bgfx::VertexBufferHandle m_vbh;
bgfx::IndexBufferHandle m_ibh;
bgfx::ProgramHandle m_program;
entry::WindowState m_windows[MAX_WINDOWS];
bgfx::FrameBufferHandle m_fbh[MAX_WINDOWS];
InputBinding* m_bindings;
int64_t m_timeOffset;
};
ENTRY_IMPLEMENT_MAIN(ExampleWindows);
void cmdCreateWindow(const void* _userData)
{
( (ExampleWindows*)_userData)->createWindow();
}
void cmdDestroyWindow(const void* _userData)
{
( (ExampleWindows*)_userData)->destroyWindow();
}

17
examples/common/entry/entry_windows.cpp
View File

@@ -560,10 +560,15 @@ namespace entry
case WM_USER_WINDOW_DESTROY:
{
WindowHandle handle = { (uint16_t)_wparam };
PostMessageA(m_hwnd[_wparam], WM_CLOSE, 0, 0);
m_eventQueue.postWindowEvent(handle);
DestroyWindow(m_hwnd[_wparam]);
m_hwnd[_wparam] = 0;
if (0 == handle.idx)
{
m_exit = true;
m_eventQueue.postExitEvent();
}
}
break;
@@ -615,15 +620,7 @@ namespace entry
case WM_QUIT:
case WM_CLOSE:
if (_hwnd == m_hwnd[0])
{
m_exit = true;
m_eventQueue.postExitEvent();
}
else
{
destroyWindow(findHandle(_hwnd) );
}
destroyWindow(findHandle(_hwnd) );
// Don't process message. Window will be destroyed later.
return 0;

18
examples/common/entry/input.h
View File

@@ -12,6 +12,24 @@ typedef void (*InputBindingFn)(const void* _userData);
struct InputBinding
{
void set(entry::Key::Enum _key, uint8_t _modifiers, uint8_t _flags, InputBindingFn _fn, const void* _userData = NULL)
{
m_key = _key;
m_modifiers = _modifiers;
m_flags = _flags;
m_fn = _fn;
m_userData = _userData;
}
void end()
{
m_key = entry::Key::None;
m_modifiers = entry::Modifier::None;
m_flags = 0;
m_fn = NULL;
m_userData = NULL;
}
entry::Key::Enum m_key;
uint8_t m_modifiers;
uint8_t m_flags;