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[host] Added SMID BGRAToRGB support and implemented it in DXGI

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This commit is contained in:
Geoffrey McRae
2017-11-16 22:43:29 +11:00
parent 6eb40a1897
commit 534e9425f1
3 changed files with 62 additions and 12 deletions
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22
host/Capture/DXGI.cpp
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@@ -20,6 +20,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
using namespace Capture;
#include "common\debug.h"
#include "Util.h"
DXGI::DXGI() :
m_options(NULL),
@@ -218,7 +219,7 @@ FrameType DXGI::GetFrameType()
if (!m_initialized)
return FRAME_TYPE_INVALID;
return FRAME_TYPE_ARGB;
return FRAME_TYPE_RGB;
}
FrameComp DXGI::GetFrameCompression()
@@ -234,7 +235,7 @@ size_t DXGI::GetMaxFrameSize()
if (!m_initialized)
return 0;
return m_width * m_height * 4;
return (m_width * m_height * 3) + 4;
}
bool DXGI::GrabFrame(FrameInfo & frame)
@@ -346,14 +347,12 @@ bool DXGI::GrabFrame(FrameInfo & frame)
m_width = desc.Width;
m_height = desc.Height;
const int pitch = m_width * 3;
frame.width = desc.Width;
frame.height = desc.Height;
frame.stride = rect.Pitch / 4;
frame.outSize = min(frame.bufferSize, m_height * rect.Pitch);
memcpy_s(frame.buffer, frame.bufferSize, rect.pBits, frame.outSize);
status = surface->Unmap();
frame.stride = desc.Width;
frame.outSize = min(frame.bufferSize, m_height * pitch);
// if we have a mouse update
if (frameInfo.LastMouseUpdateTime.QuadPart)
@@ -376,7 +375,7 @@ bool DXGI::GrabFrame(FrameInfo & frame)
for (int x = abs(min(0, m_pointerPos.x)); x < maxWidth; ++x)
{
BYTE *src = (BYTE *)m_pointer + (m_shapeInfo.Pitch * y) + (x * 4);
BYTE *dst = (BYTE *)frame.buffer + (rect.Pitch * (y + m_pointerPos.y)) + ((x + m_pointerPos.x) * 4);
BYTE *dst = (BYTE *)rect.pBits + (rect.Pitch * (y + m_pointerPos.y)) + ((x + m_pointerPos.x) * 4);
const unsigned int alpha = src[3] + 1;
const unsigned int inv = 256 - alpha;
@@ -393,7 +392,7 @@ bool DXGI::GrabFrame(FrameInfo & frame)
for (int x = abs(min(0, m_pointerPos.x)); x < maxWidth; ++x)
{
UINT32 *src = (UINT32 *)m_pointer + ((m_shapeInfo.Pitch/4) * y) + x;
UINT32 *dst = (UINT32 *)frame.buffer + (frame.stride * (y + m_pointerPos.y)) + (x + m_pointerPos.x);
UINT32 *dst = (UINT32 *)rect.pBits + (frame.stride * (y + m_pointerPos.y)) + (x + m_pointerPos.x);
if (*src & 0xff000000)
*dst = 0xff000000 | (*dst ^ *src);
else *dst = 0xff000000 | *src;
@@ -408,7 +407,7 @@ bool DXGI::GrabFrame(FrameInfo & frame)
{
UINT8 *srcAnd = (UINT8 *)m_pointer + (m_shapeInfo.Pitch * y) + (x/8);
UINT8 *srcXor = srcAnd + m_shapeInfo.Pitch * (m_shapeInfo.Height / 2);
UINT32 *dst = (UINT32 *)frame.buffer + (frame.stride * (y + m_pointerPos.y)) + (x + m_pointerPos.x);
UINT32 *dst = (UINT32 *)rect.pBits + (frame.stride * (y + m_pointerPos.y)) + (x + m_pointerPos.x);
const BYTE mask = 0x80 >> (x % 8);
const UINT32 andMask = (*srcAnd & mask) ? 0xFFFFFFFF : 0xFF000000;
const UINT32 xorMask = (*srcXor & mask) ? 0x00FFFFFF : 0x00000000;
@@ -419,6 +418,9 @@ bool DXGI::GrabFrame(FrameInfo & frame)
}
}
Util::BGRAtoRGB(rect.pBits, m_height * m_width, (uint8_t *)frame.buffer);
status = surface->Unmap();
if (FAILED(status))
{
DEBUG_ERROR("Failed to unmap surface: %08x", status);