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07-callback: Changed example to not exit.

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This commit is contained in:
Branimir Karadžić 2017-06-30 23:12:21 -07:00
parent 9fed9e41be
commit efe4fab1f8
1 changed files with 52 additions and 12 deletions
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64
examples/07-callback/callback.cpp
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@ -5,6 +5,7 @@
#include "common.h"
#include "bgfx_utils.h"
#include "imgui/imgui.h"
#include <bx/allocator.h>
#include <bx/string.h>
@ -327,6 +328,12 @@ public:
m_width = _width;
m_height = _height;
m_debug = BGFX_DEBUG_NONE;
m_reset = 0
| BGFX_RESET_VSYNC
| BGFX_RESET_CAPTURE
| BGFX_RESET_MSAA_X16
;
bgfx::init(
args.m_type
@ -335,30 +342,30 @@ public:
, &m_callback // custom callback handler
, &m_allocator // custom allocator
);
bgfx::reset(m_width, m_height, BGFX_RESET_CAPTURE|BGFX_RESET_MSAA_X16);
bgfx::reset(m_width, m_height, m_reset);
// Enable debug text.
bgfx::setDebug(BGFX_DEBUG_TEXT);
bgfx::setDebug(m_debug);
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, 1280, 720);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
// Create vertex stream declaration.
PosColorVertex::init();
// Create static vertex buffer.
m_vbh = bgfx::createVertexBuffer(
bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
, PosColorVertex::ms_decl
);
bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
, PosColorVertex::ms_decl
);
// Create static index buffer.
m_ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
@ -366,12 +373,16 @@ public:
// Create program from shaders.
m_program = loadProgram("vs_callback", "fs_callback");
m_time = 0.0f;
m_time = 0.0f;
m_frame = 0;
imguiCreate();
}
virtual int shutdown() BX_OVERRIDE
{
imguiDestroy();
// Cleanup.
bgfx::destroyIndexBuffer(m_ibh);
bgfx::destroyVertexBuffer(m_vbh);
@ -387,11 +398,36 @@ public:
bool update() BX_OVERRIDE
{
bool exit = false;
// 5 second 60Hz video
if (m_frame < 300)
{
++m_frame;
}
else
{
m_reset &= ~BGFX_RESET_CAPTURE;
exit = entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState);
imguiBeginFrame(m_mouseState.m_mx
, m_mouseState.m_my
, (m_mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
| (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
, m_mouseState.m_mz
, uint16_t(m_width)
, uint16_t(m_height)
);
showExampleDialog(this);
imguiEndFrame();
}
if (!exit)
{
// 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);
@ -452,11 +488,15 @@ public:
return false;
}
BgfxCallback m_callback;
BgfxCallback m_callback;
BgfxAllocator m_allocator;
entry::MouseState m_mouseState;
uint32_t m_width;
uint32_t m_height;
uint32_t m_debug;
uint32_t m_reset;
bgfx::VertexBufferHandle m_vbh;
bgfx::IndexBufferHandle m_ibh;