/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_CreateSurface(RdpgfxClientContext* context,
const RDPGFX_CREATE_SURFACE_PDU* createSurface)
{
size_t size;
xfGfxSurface* surface;
rdpGdi* gdi = (rdpGdi*)context->custom;
xfContext* xfc = (xfContext*) gdi->context;
surface = (xfGfxSurface*) calloc(1, sizeof(xfGfxSurface));
if (!surface)
return CHANNEL_RC_NO_MEMORY;
surface->gdi.codecs = codecs_new(gdi->context);
if (!surface->gdi.codecs)
{
free(surface);
return CHANNEL_RC_NO_MEMORY;
}
if (!freerdp_client_codecs_prepare(surface->gdi.codecs, FREERDP_CODEC_ALL,
createSurface->width, createSurface->height))
{
free(surface);
return ERROR_INTERNAL_ERROR;
}
surface->gdi.surfaceId = createSurface->surfaceId;
surface->gdi.width = (UINT32) createSurface->width;
surface->gdi.height = (UINT32) createSurface->height;
switch (createSurface->pixelFormat)
{
case GFX_PIXEL_FORMAT_ARGB_8888:
surface->gdi.format = PIXEL_FORMAT_BGRA32;
break;
case GFX_PIXEL_FORMAT_XRGB_8888:
surface->gdi.format = PIXEL_FORMAT_BGRX32;
break;
default:
free(surface);
return ERROR_INTERNAL_ERROR;
}
surface->gdi.scanline = surface->gdi.width * GetBytesPerPixel(
surface->gdi.format);
surface->gdi.scanline = x11_pad_scanline(surface->gdi.scanline, xfc->scanline_pad);
size = surface->gdi.scanline * surface->gdi.height;
surface->gdi.data = (BYTE*) _aligned_malloc(size, 16);
if (!surface->gdi.data)
{
free(surface);
return CHANNEL_RC_NO_MEMORY;
}
ZeroMemory(surface->gdi.data, size);
if (gdi->dstFormat == surface->gdi.format)
{
surface->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
(char*) surface->gdi.data, surface->gdi.width, surface->gdi.height,
xfc->scanline_pad, surface->gdi.scanline);
}
else
{
UINT32 width = surface->gdi.width;
UINT32 bytes = GetBytesPerPixel(gdi->dstFormat);
surface->stageScanline = width * bytes;
surface->stageScanline = x11_pad_scanline(surface->stageScanline, xfc->scanline_pad);
size = surface->stageScanline * surface->gdi.height;
surface->stage = (BYTE*) _aligned_malloc(size, 16);
if (!surface->stage)
{
_aligned_free(surface->gdi.data);
free(surface);
return CHANNEL_RC_NO_MEMORY;
}
ZeroMemory(surface->stage, size);
surface->image = XCreateImage(xfc->display, xfc->visual, xfc->depth,
ZPixmap, 0, (char*) surface->stage,
surface->gdi.width, surface->gdi.height,
xfc->scanline_pad, surface->gdi.scanline);
}
surface->gdi.outputMapped = FALSE;
region16_init(&surface->gdi.invalidRegion);
context->SetSurfaceData(context, surface->gdi.surfaceId, (void*) surface);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_CreateSurface(RdpgfxClientContext* context,
const RDPGFX_CREATE_SURFACE_PDU* createSurface)
{
UINT ret = CHANNEL_RC_NO_MEMORY;
size_t size;
xfGfxSurface* surface;
rdpGdi* gdi = (rdpGdi*)context->custom;
xfContext* xfc = (xfContext*) gdi->context;
surface = (xfGfxSurface*) calloc(1, sizeof(xfGfxSurface));
if (!surface)
return CHANNEL_RC_NO_MEMORY;
surface->gdi.codecs = gdi->context->codecs;
if (!surface->gdi.codecs)
{
WLog_ERR(TAG, "%s: global GDI codecs aren't set", __FUNCTION__);
goto out_free;
}
surface->gdi.surfaceId = createSurface->surfaceId;
surface->gdi.width = (UINT32) createSurface->width;
surface->gdi.height = (UINT32) createSurface->height;
switch (createSurface->pixelFormat)
{
case GFX_PIXEL_FORMAT_ARGB_8888:
surface->gdi.format = PIXEL_FORMAT_BGRA32;
break;
case GFX_PIXEL_FORMAT_XRGB_8888:
surface->gdi.format = PIXEL_FORMAT_BGRX32;
break;
default:
WLog_ERR(TAG, "%s: unknown pixelFormat 0x%"PRIx32"", __FUNCTION__, createSurface->pixelFormat);
ret = ERROR_INTERNAL_ERROR;
goto out_free;
}
surface->gdi.scanline = surface->gdi.width * GetBytesPerPixel(surface->gdi.format);
surface->gdi.scanline = x11_pad_scanline(surface->gdi.scanline, xfc->scanline_pad);
size = surface->gdi.scanline * surface->gdi.height;
surface->gdi.data = (BYTE*)_aligned_malloc(size, 16);
if (!surface->gdi.data)
{
WLog_ERR(TAG, "%s: unable to allocate GDI data", __FUNCTION__);
goto out_free;
}
ZeroMemory(surface->gdi.data, size);
if (AreColorFormatsEqualNoAlpha(gdi->dstFormat, surface->gdi.format))
{
surface->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
(char*) surface->gdi.data, surface->gdi.width, surface->gdi.height,
xfc->scanline_pad, surface->gdi.scanline);
}
else
{
UINT32 width = surface->gdi.width;
UINT32 bytes = GetBytesPerPixel(gdi->dstFormat);
surface->stageScanline = width * bytes;
surface->stageScanline = x11_pad_scanline(surface->stageScanline, xfc->scanline_pad);
size = surface->stageScanline * surface->gdi.height;
surface->stage = (BYTE*) _aligned_malloc(size, 16);
if (!surface->stage)
{
WLog_ERR(TAG, "%s: unable to allocate stage buffer", __FUNCTION__);
goto out_free_gdidata;
}
ZeroMemory(surface->stage, size);
surface->image = XCreateImage(xfc->display, xfc->visual, xfc->depth,
ZPixmap, 0, (char*) surface->stage,
surface->gdi.width, surface->gdi.height,
xfc->scanline_pad, surface->stageScanline);
}
if (!surface->image)
{
WLog_ERR(TAG, "%s: an error occurred when creating the XImage", __FUNCTION__);
goto error_surface_image;
}
surface->image->byte_order = LSBFirst;
surface->image->bitmap_bit_order = LSBFirst;
surface->gdi.outputMapped = FALSE;
region16_init(&surface->gdi.invalidRegion);
if (context->SetSurfaceData(context, surface->gdi.surfaceId, (void*) surface) != CHANNEL_RC_OK)
{
WLog_ERR(TAG, "%s: an error occurred during SetSurfaceData", __FUNCTION__);
goto error_set_surface_data;
}
return CHANNEL_RC_OK;
error_set_surface_data:
surface->image->data = NULL;
XDestroyImage(surface->image);
error_surface_image:
_aligned_free(surface->stage);
out_free_gdidata:
_aligned_free(surface->gdi.data);
out_free:
free(surface);
return ret;
}
