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Workaround issue with partial dynamic buffer update.

This commit is contained in:
Branimir Karadžić 2017-09-15 17:54:41 -07:00
parent a1289e9e82
commit f74b350ab8
2 changed files with 93 additions and 38 deletions
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118
src/renderer_d3d11.cpp
View File

@ -4113,13 +4113,32 @@ BX_PRAGMA_DIAGNOSTIC_POP();
}
else if (m_dynamic)
{
desc.Usage = D3D11_USAGE_DYNAMIC;
#if USE_D3D11_STAGING_BUFFER
desc.Usage = D3D11_USAGE_DEFAULT;
desc.CPUAccessFlags = 0;
DX_CHECK(device->CreateBuffer(&desc
, NULL
, &m_ptr
) );
desc.BindFlags = 0;
desc.Usage = D3D11_USAGE_STAGING;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
DX_CHECK(device->CreateBuffer(&desc
, NULL
, &m_staging
) );
#else
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
DX_CHECK(device->CreateBuffer(&desc
, NULL
, &m_ptr
) );
#endif // USE_D3D11_STAGING_BUFFER
}
else
{
@ -4151,54 +4170,79 @@ BX_PRAGMA_DIAGNOSTIC_POP();
ID3D11DeviceContext* deviceCtx = s_renderD3D11->m_deviceCtx;
BX_CHECK(m_dynamic, "Must be dynamic!");
#if 0
#if USE_D3D11_STAGING_BUFFER
BX_UNUSED(_discard);
D3D11_BUFFER_DESC desc;
desc.ByteWidth = _size;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.StructureByteStride = 0;
D3D11_SUBRESOURCE_DATA srd;
srd.pSysMem = _data;
srd.SysMemPitch = 0;
srd.SysMemSlicePitch = 0;
D3D11_MAPPED_SUBRESOURCE mapped;
DX_CHECK(deviceCtx->Map(m_staging, 0, D3D11_MAP_WRITE, 0, &mapped) );
bx::memCopy( (uint8_t*)mapped.pData + _offset, _data, _size);
deviceCtx->Unmap(m_staging, 0);
D3D11_BOX srcBox;
srcBox.left = 0;
srcBox.top = 0;
srcBox.front = 0;
srcBox.right = _size;
srcBox.bottom = 1;
srcBox.back = 1;
ID3D11Device* device = s_renderD3D11->m_device;
ID3D11Buffer* ptr;
DX_CHECK(device->CreateBuffer(&desc, &srd, &ptr) );
D3D11_BOX box;
box.left = _offset;
box.top = 0;
box.front = 0;
box.right = _offset + _size;
box.bottom = 1;
box.back = 1;
deviceCtx->CopySubresourceRegion(m_ptr
, 0
, _offset
, 0
, 0
, ptr
, m_staging
, 0
, &srcBox
, &box
);
DX_RELEASE(ptr, 0);
#else
D3D11_MAPPED_SUBRESOURCE mapped;
D3D11_MAP type = _discard
? D3D11_MAP_WRITE_DISCARD
: D3D11_MAP_WRITE_NO_OVERWRITE
;
DX_CHECK(deviceCtx->Map(m_ptr, 0, type, 0, &mapped) );
bx::memCopy( (uint8_t*)mapped.pData + _offset, _data, _size);
deviceCtx->Unmap(m_ptr, 0);
if (_discard)
{
D3D11_MAPPED_SUBRESOURCE mapped;
DX_CHECK(deviceCtx->Map(m_ptr, 0, D3D11_MAP_WRITE_DISCARD, 0, &mapped) );
bx::memCopy( (uint8_t*)mapped.pData + _offset, _data, _size);
deviceCtx->Unmap(m_ptr, 0);
}
else
{
D3D11_BUFFER_DESC desc;
desc.ByteWidth = _size;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.StructureByteStride = 0;
D3D11_SUBRESOURCE_DATA srd;
srd.pSysMem = _data;
srd.SysMemPitch = 0;
srd.SysMemSlicePitch = 0;
D3D11_BOX srcBox;
srcBox.left = 0;
srcBox.top = 0;
srcBox.front = 0;
srcBox.right = _size;
srcBox.bottom = 1;
srcBox.back = 1;
ID3D11Device* device = s_renderD3D11->m_device;
ID3D11Buffer* ptr;
DX_CHECK(device->CreateBuffer(&desc, &srd, &ptr) );
deviceCtx->CopySubresourceRegion(m_ptr
, 0
, _offset
, 0
, 0
, ptr
, 0
, &srcBox
);
DX_RELEASE(ptr, 0);
}
#endif // 0
}

13
src/renderer_d3d11.h
View File

@ -6,7 +6,8 @@
#ifndef BGFX_RENDERER_D3D11_H_HEADER_GUARD
#define BGFX_RENDERER_D3D11_H_HEADER_GUARD
#define USE_D3D11_DYNAMIC_LIB BX_PLATFORM_WINDOWS
#define USE_D3D11_DYNAMIC_LIB BX_PLATFORM_WINDOWS
#define USE_D3D11_STAGING_BUFFER 0
#if !USE_D3D11_DYNAMIC_LIB
# undef BGFX_CONFIG_DEBUG_PIX
@ -64,6 +65,9 @@ namespace bgfx { namespace d3d11
{
BufferD3D11()
: m_ptr(NULL)
#if USE_D3D11_STAGING_BUFFER
, m_staging(NULL)
#endif // USE_D3D11_STAGING_BUFFER
, m_srv(NULL)
, m_uav(NULL)
, m_flags(BGFX_BUFFER_NONE)
@ -82,11 +86,18 @@ namespace bgfx { namespace d3d11
m_dynamic = false;
}
#if USE_D3D11_STAGING_BUFFER
DX_RELEASE(m_staging, 0);
#endif // USE_D3D11_STAGING_BUFFER
DX_RELEASE(m_srv, 0);
DX_RELEASE(m_uav, 0);
}
ID3D11Buffer* m_ptr;
#if USE_D3D11_STAGING_BUFFER
ID3D11Buffer* m_staging;
#endif // USE_D3D11_STAGING_BUFFER
ID3D11ShaderResourceView* m_srv;
ID3D11UnorderedAccessView* m_uav;
uint32_t m_size;