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-rw-r--r--3rdparty/bgfx/examples/07-callback/callback.cpp380
1 files changed, 208 insertions, 172 deletions
diff --git a/3rdparty/bgfx/examples/07-callback/callback.cpp b/3rdparty/bgfx/examples/07-callback/callback.cpp
index 464e2e55e7d..6c92e297782 100644
--- a/3rdparty/bgfx/examples/07-callback/callback.cpp
+++ b/3rdparty/bgfx/examples/07-callback/callback.cpp
@@ -5,15 +5,21 @@
#include "common.h"
#include "bgfx_utils.h"
+#include "imgui/imgui.h"
#include <bx/allocator.h>
+#include <bx/file.h>
#include <bx/string.h>
-#include <bx/crtimpl.h>
#include "aviwriter.h"
#include <inttypes.h>
+#include <bimg/bimg.h>
+
+namespace
+{
+
struct PosColorVertex
{
float m_x;
@@ -63,56 +69,24 @@ static const uint16_t s_cubeIndices[36] =
6, 3, 7,
};
-void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, bool _grayscale, bool _yflip, bx::Error* _err)
+void savePng(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
{
- BX_ERROR_SCOPE(_err);
-
- uint8_t type = _grayscale ? 3 : 2;
- uint8_t bpp = _grayscale ? 8 : 32;
-
- uint8_t header[18] = {};
- header[ 2] = type;
- header[12] = _width &0xff;
- header[13] = (_width >>8)&0xff;
- header[14] = _height &0xff;
- header[15] = (_height>>8)&0xff;
- header[16] = bpp;
- header[17] = 32;
-
- bx::write(_writer, header, sizeof(header), _err);
-
- uint32_t dstPitch = _width*bpp/8;
- if (_yflip)
- {
- uint8_t* data = (uint8_t*)_src + _pitch*_height - _pitch;
- for (uint32_t yy = 0; yy < _height; ++yy)
- {
- bx::write(_writer, data, dstPitch, _err);
- data -= _pitch;
- }
- }
- else if (_pitch == dstPitch)
- {
- bx::write(_writer, _src, _height*_pitch, _err);
- }
- else
+ bx::FileWriter writer;
+ bx::Error err;
+ if (bx::open(&writer, _filePath, false, &err) )
{
- uint8_t* data = (uint8_t*)_src;
- for (uint32_t yy = 0; yy < _height; ++yy)
- {
- bx::write(_writer, data, dstPitch, _err);
- data += _pitch;
- }
+ bimg::imageWritePng(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err);
+ bx::close(&writer);
}
}
void saveTga(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
{
- bx::CrtFileWriter writer;
+ bx::FileWriter writer;
bx::Error err;
if (bx::open(&writer, _filePath, false, &err) )
{
- imageWriteTga(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err);
+ bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err);
bx::close(&writer);
}
}
@@ -123,7 +97,7 @@ struct BgfxCallback : public bgfx::CallbackI
{
}
- virtual void fatal(bgfx::Fatal::Enum _code, const char* _str) BX_OVERRIDE
+ virtual void fatal(bgfx::Fatal::Enum _code, const char* _str) override
{
// Something unexpected happened, inform user and bail out.
bx::debugPrintf("Fatal error: 0x%08x: %s", _code, _str);
@@ -132,13 +106,25 @@ struct BgfxCallback : public bgfx::CallbackI
abort();
}
- virtual void traceVargs(const char* _filePath, uint16_t _line, const char* _format, va_list _argList) BX_OVERRIDE
+ virtual void traceVargs(const char* _filePath, uint16_t _line, const char* _format, va_list _argList) override
{
bx::debugPrintf("%s (%d): ", _filePath, _line);
bx::debugPrintfVargs(_format, _argList);
}
- virtual uint32_t cacheReadSize(uint64_t _id) BX_OVERRIDE
+ virtual void profilerBegin(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override
+ {
+ }
+
+ virtual void profilerBeginLiteral(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override
+ {
+ }
+
+ virtual void profilerEnd() override
+ {
+ }
+
+ virtual uint32_t cacheReadSize(uint64_t _id) override
{
char filePath[256];
bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id);
@@ -158,7 +144,7 @@ struct BgfxCallback : public bgfx::CallbackI
return 0;
}
- virtual bool cacheRead(uint64_t _id, void* _data, uint32_t _size) BX_OVERRIDE
+ virtual bool cacheRead(uint64_t _id, void* _data, uint32_t _size) override
{
char filePath[256];
bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id);
@@ -180,7 +166,7 @@ struct BgfxCallback : public bgfx::CallbackI
return false;
}
- virtual void cacheWrite(uint64_t _id, const void* _data, uint32_t _size) BX_OVERRIDE
+ virtual void cacheWrite(uint64_t _id, const void* _data, uint32_t _size) override
{
char filePath[256];
bx::snprintf(filePath, sizeof(filePath), "temp/%016" PRIx64, _id);
@@ -196,16 +182,20 @@ struct BgfxCallback : public bgfx::CallbackI
}
}
- virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t /*_size*/, bool _yflip) BX_OVERRIDE
+ virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t /*_size*/, bool _yflip) override
{
char temp[1024];
+ // Save screen shot as PNG.
+ bx::snprintf(temp, BX_COUNTOF(temp), "%s.png", _filePath);
+ savePng(temp, _width, _height, _pitch, _data, false, _yflip);
+
// Save screen shot as TGA.
bx::snprintf(temp, BX_COUNTOF(temp), "%s.tga", _filePath);
saveTga(temp, _width, _height, _pitch, _data, false, _yflip);
}
- virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) BX_OVERRIDE
+ virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) override
{
m_writer = BX_NEW(entry::getAllocator(), AviWriter)(entry::getFileWriter() );
if (!m_writer->open("temp/capture.avi", _width, _height, 60, _yflip) )
@@ -215,7 +205,7 @@ struct BgfxCallback : public bgfx::CallbackI
}
}
- virtual void captureEnd() BX_OVERRIDE
+ virtual void captureEnd() override
{
if (NULL != m_writer)
{
@@ -225,7 +215,7 @@ struct BgfxCallback : public bgfx::CallbackI
}
}
- virtual void captureFrame(const void* _data, uint32_t /*_size*/) BX_OVERRIDE
+ virtual void captureFrame(const void* _data, uint32_t /*_size*/) override
{
if (NULL != m_writer)
{
@@ -236,6 +226,8 @@ struct BgfxCallback : public bgfx::CallbackI
AviWriter* m_writer;
};
+const size_t kNaturalAlignment = 8;
+
class BgfxAllocator : public bx::AllocatorI
{
public:
@@ -249,13 +241,13 @@ public:
{
}
- virtual void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) BX_OVERRIDE
+ virtual void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) override
{
if (0 == _size)
{
if (NULL != _ptr)
{
- if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align)
+ if (kNaturalAlignment >= _align)
{
bx::debugPrintf("%s(%d): FREE %p\n", _file, _line, _ptr);
::free(_ptr);
@@ -271,7 +263,7 @@ public:
}
else if (NULL == _ptr)
{
- if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align)
+ if (kNaturalAlignment >= _align)
{
void* ptr = ::malloc(_size);
bx::debugPrintf("%s(%d): ALLOC %p of %d byte(s)\n", _file, _line, ptr, _size);
@@ -283,7 +275,7 @@ public:
return bx::alignedAlloc(this, _size, _align, _file, _line);
}
- if (BX_CONFIG_ALLOCATOR_NATURAL_ALIGNMENT >= _align)
+ if (kNaturalAlignment >= _align)
{
void* ptr = ::realloc(_ptr, _size);
bx::debugPrintf("%s(%d): REALLOC %p (old %p) of %d byte(s)\n", _file, _line, ptr, _ptr, _size);
@@ -310,153 +302,197 @@ private:
uint32_t m_maxBlocks;
};
-int _main_(int _argc, char** _argv)
+class ExampleCallback : public entry::AppI
{
- Args args(_argc, _argv);
-
- BgfxCallback callback;
- BgfxAllocator allocator;
-
- uint32_t width = 1280;
- uint32_t height = 720;
-
- // Enumerate supported backend renderers.
- bgfx::RendererType::Enum renderers[bgfx::RendererType::Count];
- uint8_t numRenderers = bgfx::getSupportedRenderers(BX_COUNTOF(renderers), renderers);
+public:
+ ExampleCallback(const char* _name, const char* _description)
+ : entry::AppI(_name, _description)
+ {
+ }
- bgfx::init(bgfx::RendererType::Count == args.m_type
- ? renderers[bx::getHPCounter() % numRenderers] /* randomize renderer */
- : args.m_type
- , args.m_pciId
- , 0
- , &callback // custom callback handler
- , &allocator // custom allocator
- );
- bgfx::reset(width, height, BGFX_RESET_CAPTURE|BGFX_RESET_MSAA_X16);
+ void init(int32_t _argc, const char* const* _argv, uint32_t _width, uint32_t _height) override
+ {
+ Args args(_argc, _argv);
+
+ 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
+ , args.m_pciId
+ , 0
+ , &m_callback // custom callback handler
+ , &m_allocator // custom allocator
+ );
+ bgfx::reset(m_width, m_height, m_reset);
+
+ // Enable debug text.
+ bgfx::setDebug(m_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.
+ m_vbh = bgfx::createVertexBuffer(
+ 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) ) );
+
+ // Create program from shaders.
+ m_program = loadProgram("vs_callback", "fs_callback");
+
+ m_time = 0.0f;
+ m_frame = 0;
+
+ imguiCreate();
+ }
- // Enable debug text.
- bgfx::setDebug(BGFX_DEBUG_TEXT);
+ virtual int shutdown() override
+ {
+ imguiDestroy();
- // Set view 0 default viewport.
- bgfx::setViewRect(0, 0, 0, 1280, 720);
+ // Cleanup.
+ bgfx::destroy(m_ibh);
+ bgfx::destroy(m_vbh);
+ bgfx::destroy(m_program);
- // Set view 0 clear state.
- bgfx::setViewClear(0
- , BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
- , 0x303030ff
- , 1.0f
- , 0
- );
+ // Shutdown bgfx.
+ bgfx::shutdown();
- // Create vertex stream declaration.
- PosColorVertex::init();
+ m_allocator.dumpStats();
- // Create static vertex buffer.
- bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(
- bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) )
- , PosColorVertex::ms_decl
- );
+ return 0;
+ }
- // Create static index buffer.
- bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(bgfx::makeRef(s_cubeIndices, sizeof(s_cubeIndices) ) );
+ bool update() override
+ {
+ bool exit = false;
- // Create program from shaders.
- bgfx::ProgramHandle program = loadProgram("vs_callback", "fs_callback");
+ // 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)
+ );
- float time = 0.0f;
+ showExampleDialog(this);
- const bgfx::RendererType::Enum rendererType = bgfx::getRendererType();
+ imguiEndFrame();
+ }
- // 5 second 60Hz video
- for (uint32_t frame = 0; frame < 300; ++frame)
- {
- // 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);
-
- 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;
-
- // Use debug font to print information about this example.
- bgfx::dbgTextClear();
- bgfx::dbgTextPrintf( 0, 1, 0x4f, "bgfx/examples/07-callback");
- bgfx::dbgTextPrintf( 0, 2, 0x6f, "Description: Implementing application specific callbacks for taking screen shots,");
- bgfx::dbgTextPrintf(13, 3, 0x6f, "caching OpenGL binary shaders, and video capture.");
- bgfx::dbgTextPrintf( 0, 4, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
-
- bgfx::dbgTextPrintf( 2, 6, 0x0e, "Supported renderers:");
- for (uint8_t ii = 0; ii < numRenderers; ++ii)
+ if (!exit)
{
- bgfx::dbgTextPrintf( 2, 7+ii, 0x0c, "[%c] %s"
- , renderers[ii] == rendererType ? '\xfe' : ' '
- , bgfx::getRendererName(renderers[ii])
- );
- }
+ // Set view 0 default viewport.
+ bgfx::setViewRect(0, 0, 0, bgfx::BackbufferRatio::Equal);
- float at[3] = { 0.0f, 0.0f, 0.0f };
- float eye[3] = { 0.0f, 0.0f, -35.0f };
+ // 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);
- 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::getCaps()->homogeneousDepth);
+ float at[3] = { 0.0f, 0.0f, 0.0f };
+ float eye[3] = { 0.0f, 0.0f, -35.0f };
- // Set view and projection matrix for view 0.
- bgfx::setViewTransform(0, view, proj);
+ float view[16];
+ float proj[16];
+ bx::mtxLookAt(view, eye, at);
+ bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
- time += 1.0f/60.0f;
+ // Set view and projection matrix for view 0.
+ bgfx::setViewTransform(0, view, proj);
- // Submit 11x11 cubes.
- for (uint32_t yy = 0; yy < 11; ++yy)
- {
- for (uint32_t xx = 0; xx < 11-yy; ++xx)
+ m_time += 1.0f/60.0f;
+
+ // Submit 11x11 cubes.
+ for (uint32_t yy = 0; yy < 11; ++yy)
{
- 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;
+ for (uint32_t xx = 0; xx < 11-yy; ++xx)
+ {
+ float mtx[16];
+ bx::mtxRotateXY(mtx, m_time + xx*0.21f, m_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 model matrix for rendering.
+ bgfx::setTransform(mtx);
- // Set vertex and index buffer.
- bgfx::setVertexBuffer(vbh);
- bgfx::setIndexBuffer(ibh);
+ // Set vertex and index buffer.
+ bgfx::setVertexBuffer(0, m_vbh);
+ bgfx::setIndexBuffer(m_ibh);
- // Set render states.
- bgfx::setState(BGFX_STATE_DEFAULT);
+ // Set render states.
+ bgfx::setState(BGFX_STATE_DEFAULT);
- // Submit primitive for rendering to view 0.
- bgfx::submit(0, program);
+ // Submit primitive for rendering to view 0.
+ bgfx::submit(0, m_program);
+ }
}
- }
- // Take screen shot at frame 150.
- if (150 == frame)
- {
- bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
- bgfx::requestScreenShot(fbh, "temp/frame150");
+ // Take screen shot at frame 150.
+ if (150 == m_frame)
+ {
+ bgfx::FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
+ bgfx::requestScreenShot(fbh, "temp/frame150");
+ }
+
+ // Advance to next frame. Rendering thread will be kicked to
+ // process submitted rendering primitives.
+ bgfx::frame();
+
+ return true;
}
- // Advance to next frame. Rendering thread will be kicked to
- // process submitted rendering primitives.
- bgfx::frame();
+ return false;
}
- // Cleanup.
- bgfx::destroyIndexBuffer(ibh);
- bgfx::destroyVertexBuffer(vbh);
- bgfx::destroyProgram(program);
+ BgfxCallback m_callback;
+ BgfxAllocator m_allocator;
- // Shutdown bgfx.
- bgfx::shutdown();
+ entry::MouseState m_mouseState;
- allocator.dumpStats();
+ uint32_t m_width;
+ uint32_t m_height;
+ uint32_t m_debug;
+ uint32_t m_reset;
- return 0;
-}
+ bgfx::VertexBufferHandle m_vbh;
+ bgfx::IndexBufferHandle m_ibh;
+ bgfx::ProgramHandle m_program;
+ float m_time;
+ uint32_t m_frame;
+};
+
+} // namespace
+
+ENTRY_IMPLEMENT_MAIN(ExampleCallback, "07-callback", "Implementing application specific callbacks for taking screen shots, caching OpenGL binary shaders, and video capture.");