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fixing readTexture for discrete gpus

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This commit is contained in:
Attila Kocsis 2019-08-01 22:16:54 +02:00 committed by Бранимир Караџић
parent d6955a0297
commit 3a7b71ee12
1 changed files with 9 additions and 3 deletions
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10
src/renderer_mtl.mm
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@ -838,11 +838,17 @@ namespace bgfx { namespace mtl
void readTexture(TextureHandle _handle, void* _data, uint8_t _mip) override
{
const TextureMtl& texture = m_textures[_handle.idx];
#if BX_PLATFORM_OSX
BlitCommandEncoder bce = s_renderMtl->getBlitCommandEncoder();
bce.synchronizeTexture(texture.m_ptr, 0, _mip);
endEncoding();
#endif // BX_PLATFORM_OSX
m_cmd.kick(false, true);
m_commandBuffer = m_cmd.alloc();
const TextureMtl& texture = m_textures[_handle.idx];
BX_CHECK(_mip<texture.m_numMips,"Invalid mip: %d num mips:",_mip,texture.m_numMips);
uint32_t srcWidth = bx::uint32_max(1, texture.m_ptr.width() >> _mip);