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DDS support for 8-bit uncompressed formats.

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bkaradzic
2012-04-30 22:35:16 -07:00
parent d25592f919
commit fb37505a8a
4 changed files with 60 additions and 29 deletions
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34
src/renderer_d3d9.cpp
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@@ -848,9 +848,22 @@ namespace bgfx
bool decompress = false;
if (decompress
|| (0 == dds.m_type && dds.m_hasAlpha) )
|| (0 == dds.m_type) )
{
fmt = D3DFMT_A8R8G8B8;
switch (dds.m_bpp)
{
case 1:
fmt = D3DFMT_L8;
break;
case 4:
fmt = D3DFMT_A8R8G8B8;
break;
default:
fmt = D3DFMT_X8R8G8B8;
break;
}
}
DX_CHECK(s_renderCtx.m_device->CreateTexture(dds.m_width
@@ -884,22 +897,17 @@ namespace bgfx
if (width != mip.m_width
|| height != mip.m_height)
{
uint8_t* temp = (uint8_t*)g_realloc(NULL, mip.m_width*mip.m_height*4);
mip.decode(temp);
uint32_t srcpitch = mip.m_width*4;
uint32_t dstpitch = rect.Pitch;
uint32_t srcpitch = mip.m_width*mip.m_bpp;
uint8_t* temp = (uint8_t*)g_realloc(NULL, srcpitch*mip.m_height);
mip.decode(temp);
uint32_t dstpitch = rect.Pitch;
for (uint32_t yy = 0; yy < height; ++yy)
{
uint8_t* src = &temp[yy*srcpitch];
uint8_t* dst = &bits[yy*dstpitch];
for (uint32_t xx = 0; xx < width; ++xx)
{
memcpy(dst, src, 4);
dst += 4;
src += 4;
}
memcpy(dst, src, srcpitch);
}
g_free(temp);