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Use back buffer format when capturing screen shot. (#3603)

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This commit is contained in:
Branimir Karadžić
2026-02-19 16:46:41 -08:00
committed by GitHub
parent 4cb794eade
commit 856208328c
14 changed files with 157 additions and 146 deletions
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47
examples/07-callback/callback.cpp
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@@ -80,13 +80,48 @@ void savePng(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t
}
}
void saveTga(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
void saveTga(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bimg::TextureFormat::Enum _format, bool _yflip)
{
bx::FileWriter writer;
bx::Error err;
if (bx::open(&writer, _filePath, false, &err) )
{
bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, _grayscale, _yflip, &err);
if (bimg::TextureFormat::RGBA8 == _format)
{
bimg::imageSwizzleBgra8(const_cast<void*>(_src), _srcPitch, _width, _height, _src, _srcPitch);
bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, false, _yflip);
}
else if (bimg::TextureFormat::BGRA8 == _format)
{
bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, false, _yflip);
}
else
{
bx::DefaultAllocator allocator;
const uint8_t dstBpp = bimg::getBitsPerPixel(bimg::TextureFormat::BGRA8);
const uint32_t dstPitch = _width * dstBpp / 8;
const uint32_t dstSize = _height * dstPitch;
void* dst = bx::alloc(&allocator, dstSize);
bimg::imageConvert(
&allocator
, dst
, bimg::TextureFormat::BGRA8
, _src
, bimg::TextureFormat::Enum(_format)
, _width
, _height
, 1
);
bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, false, _yflip);
bx::free(&allocator, dst);
}
bimg::imageWriteTga(&writer, _width, _height, _srcPitch, _src, false, _yflip, &err);
bx::close(&writer);
}
}
@@ -184,17 +219,17 @@ 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) override
virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, bgfx::TextureFormat::Enum _format, 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, bimg::TextureFormat::BGRA8, _yflip);
savePng(temp, _width, _height, _pitch, _data, bimg::TextureFormat::Enum(_format), _yflip);
// Save screen shot as TGA.
bx::snprintf(temp, BX_COUNTOF(temp), "%s.tga", _filePath);
saveTga(temp, _width, _height, _pitch, _data, false, _yflip);
saveTga(temp, _width, _height, _pitch, _data, bimg::TextureFormat::Enum(_format), _yflip);
}
virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) override
@@ -345,7 +380,7 @@ public:
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 0x383028ff
, 1.0f
, 0
);