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Enumerate all available format conversions.

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This commit is contained in:
Branimir Karadžić 2016-02-22 15:26:44 -08:00
parent 04927ce30a
commit c2b9699109
3 changed files with 27 additions and 15 deletions
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23
src/bgfx.cpp
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@ -1247,20 +1247,17 @@ namespace bgfx
for (uint32_t ii = 0; ii < BX_COUNTOF(s_emulatedFormats); ++ii)
{
const uint32_t fmt = s_emulatedFormats[ii];
if (0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_2D) )
{
g_caps.formats[fmt] |= BGFX_CAPS_FORMAT_TEXTURE_2D_EMULATED;
}
g_caps.formats[fmt] |= 0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_2D ) ? BGFX_CAPS_FORMAT_TEXTURE_2D_EMULATED : 0;
g_caps.formats[fmt] |= 0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_3D ) ? BGFX_CAPS_FORMAT_TEXTURE_3D_EMULATED : 0;
g_caps.formats[fmt] |= 0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_CUBE) ? BGFX_CAPS_FORMAT_TEXTURE_CUBE_EMULATED : 0;
}
if (0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_3D) )
{
g_caps.formats[fmt] |= BGFX_CAPS_FORMAT_TEXTURE_3D_EMULATED;
}
if (0 == (g_caps.formats[fmt] & BGFX_CAPS_FORMAT_TEXTURE_CUBE) )
{
g_caps.formats[fmt] |= BGFX_CAPS_FORMAT_TEXTURE_CUBE_EMULATED;
}
for (uint32_t ii = 0; ii < TextureFormat::Count; ++ii)
{
bool convertable = imageConvert(TextureFormat::BGRA8, TextureFormat::Enum(ii) );
g_caps.formats[ii] |= 0 == (g_caps.formats[ii] & BGFX_CAPS_FORMAT_TEXTURE_2D ) && convertable ? BGFX_CAPS_FORMAT_TEXTURE_2D_EMULATED : 0;
g_caps.formats[ii] |= 0 == (g_caps.formats[ii] & BGFX_CAPS_FORMAT_TEXTURE_3D ) && convertable ? BGFX_CAPS_FORMAT_TEXTURE_3D_EMULATED : 0;
g_caps.formats[ii] |= 0 == (g_caps.formats[ii] & BGFX_CAPS_FORMAT_TEXTURE_CUBE) && convertable ? BGFX_CAPS_FORMAT_TEXTURE_CUBE_EMULATED : 0;
}
g_caps.rendererType = m_renderCtx->getRendererType();

16
src/image.cpp
View file

@ -1396,6 +1396,15 @@ namespace bgfx
};
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_packUnpack) );
bool imageConvert(TextureFormat::Enum _dstFormat, TextureFormat::Enum _srcFormat)
{
UnpackFn unpack = s_packUnpack[_srcFormat].unpack;
PackFn pack = s_packUnpack[_dstFormat].pack;
return NULL != pack
&& NULL != unpack
;
}
bool imageConvert(void* _dst, TextureFormat::Enum _dstFormat, const void* _src, TextureFormat::Enum _srcFormat, uint32_t _width, uint32_t _height)
{
UnpackFn unpack = s_packUnpack[_srcFormat].unpack;
@ -3277,8 +3286,11 @@ namespace bgfx
break;
default:
// Decompression not implemented... Make ugly red-yellow checkerboard texture.
imageCheckerboard(_width, _height, 16, UINT32_C(0xffff0000), UINT32_C(0xffffff00), _dst);
if (!imageConvert(_dst, TextureFormat::BGRA8, _src, _format, _width, _height) )
{
// Failed to convert, just make ugly red-yellow checkerboard texture.
imageCheckerboard(_width, _height, 16, UINT32_C(0xffff0000), UINT32_C(0xffffff00), _dst);
}
break;
}
}

3
src/image.h
View file

@ -117,6 +117,9 @@ namespace bgfx
///
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _pitch, const void* _src, void* _dst);
///
bool imageConvert(TextureFormat::Enum _dstFormat, TextureFormat::Enum _srcFormat);
///
bool imageConvert(void* _dst, TextureFormat::Enum _dstFormat, const void* _src, TextureFormat::Enum _srcFormat, uint32_t _width, uint32_t _height);