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D3D: Fix crash on some drivers with small textures

This commit is contained in:
Stenzek 2015-11-24 21:15:19 +10:00
parent 211169e307
commit 6be4608a0d
2 changed files with 11 additions and 5 deletions
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14
Source/Core/VideoBackends/D3D/D3DTexture.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include "Common/CommonTypes.h"
#include "Common/MsgHandler.h"
#include "VideoBackends/D3D/D3DBase.h"
@ -13,27 +15,31 @@ namespace DX11
namespace D3D
{
void ReplaceRGBATexture2D(ID3D11Texture2D* pTexture, const u8* buffer, unsigned int width, unsigned int height, unsigned int pitch, unsigned int level, D3D11_USAGE usage)
void ReplaceRGBATexture2D(ID3D11Texture2D* pTexture, const u8* buffer, unsigned int width, unsigned int height, unsigned int expanded_width, unsigned int level, D3D11_USAGE usage)
{
unsigned int src_pitch = 4 * expanded_width;
if (usage == D3D11_USAGE_DYNAMIC || usage == D3D11_USAGE_STAGING)
{
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(pTexture, level, D3D11_MAP_WRITE_DISCARD, 0, &map);
if (4 * pitch == map.RowPitch)
if (src_pitch == map.RowPitch)
{
memcpy(map.pData, buffer, map.RowPitch * height);
}
else
{
// Source row size is aligned to texture block size. This can result in a different
// pitch to what the driver returns, so copy whichever is smaller.
unsigned int copy_size = std::min(src_pitch, map.RowPitch);
for (unsigned int y = 0; y < height; ++y)
memcpy((u8*)map.pData + y * map.RowPitch, (u32*)buffer + y * pitch, 4 * pitch);
memcpy((u8*)map.pData + y * map.RowPitch, (u8*)buffer + y * src_pitch, copy_size);
}
D3D::context->Unmap(pTexture, level);
}
else
{
D3D11_BOX dest_region = CD3D11_BOX(0, 0, 0, width, height, 1);
D3D::context->UpdateSubresource(pTexture, level, &dest_region, buffer, 4*pitch, 4*pitch*height);
D3D::context->UpdateSubresource(pTexture, level, &dest_region, buffer, src_pitch, src_pitch * height);
}
}

2
Source/Core/VideoBackends/D3D/D3DTexture.h
View File

@ -11,7 +11,7 @@ namespace DX11
namespace D3D
{
void ReplaceRGBATexture2D(ID3D11Texture2D* pTexture, const u8* buffer, unsigned int width, unsigned int height, unsigned int pitch, unsigned int level, D3D11_USAGE usage);
void ReplaceRGBATexture2D(ID3D11Texture2D* pTexture, const u8* buffer, unsigned int width, unsigned int height, unsigned int expanded_width, unsigned int level, D3D11_USAGE usage);
}
class D3DTexture2D