ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

wined3d: Introduce a backup path for swapchain presents using GDI. 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2021-02-19 21:31:11 +01:00 committed by Alexandre Julliard
parent 9e69aca6d1
commit 70418f69dd
1 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
dlls/wined3d/swapchain.c
View File

@ -400,6 +400,73 @@ HRESULT CDECL wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain *s
return WINED3D_OK;
}
/* The is a fallback for cases where we e.g. can't create a GL context or
* Vulkan swapchain for the swapchain window. */
static void swapchain_blit_gdi(struct wined3d_swapchain *swapchain,
struct wined3d_context *context, const RECT *src_rect, const RECT *dst_rect)
{
struct wined3d_texture *back_buffer = swapchain->back_buffers[0];
D3DKMT_DESTROYDCFROMMEMORY destroy_desc;
D3DKMT_CREATEDCFROMMEMORY create_desc;
const struct wined3d_format *format;
unsigned int row_pitch, slice_pitch;
HDC src_dc, dst_dc;
NTSTATUS status;
HBITMAP bitmap;
static unsigned int once;
TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
swapchain, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
if (!once++)
FIXME("Using GDI present.\n");
format = back_buffer->resource.format;
if (!format->ddi_format)
{
WARN("Cannot create a DC for format %s.\n", debug_d3dformat(format->id));
return;
}
wined3d_texture_load_location(back_buffer, 0, context, WINED3D_LOCATION_SYSMEM);
wined3d_texture_get_pitch(back_buffer, 0, &row_pitch, &slice_pitch);
create_desc.pMemory = back_buffer->resource.heap_memory;
create_desc.Format = format->ddi_format;
create_desc.Width = wined3d_texture_get_level_width(back_buffer, 0);
create_desc.Height = wined3d_texture_get_level_height(back_buffer, 0);
create_desc.Pitch = row_pitch;
create_desc.hDeviceDc = CreateCompatibleDC(NULL);
create_desc.pColorTable = NULL;
status = D3DKMTCreateDCFromMemory(&create_desc);
DeleteDC(create_desc.hDeviceDc);
if (status)
{
WARN("Failed to create DC, status %#x.\n", status);
return;
}
src_dc = create_desc.hDc;
bitmap = create_desc.hBitmap;
TRACE("Created source DC %p, bitmap %p for backbuffer %p.\n", src_dc, bitmap, back_buffer);
if (!(dst_dc = GetDCEx(swapchain->win_handle, 0, DCX_USESTYLE | DCX_CACHE)))
ERR("Failed to get destination DC.\n");
if (!BitBlt(dst_dc, dst_rect->left, dst_rect->top, dst_rect->right - dst_rect->left,
dst_rect->bottom - dst_rect->top, src_dc, src_rect->left, src_rect->top, SRCCOPY))
ERR("Failed to blit.\n");
ReleaseDC(swapchain->win_handle, dst_dc);
destroy_desc.hDc = src_dc;
destroy_desc.hBitmap = bitmap;
if ((status = D3DKMTDestroyDCFromMemory(&destroy_desc)))
ERR("Failed to destroy src dc, status %#x.\n", status);
}
/* A GL context is provided by the caller */
static void swapchain_blit(const struct wined3d_swapchain *swapchain,
struct wined3d_context *context, const RECT *src_rect, const RECT *dst_rect)
@ -523,6 +590,9 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain,
TRACE("Presenting DC %p.\n", context_gl->dc);
if (context_gl->dc == swapchain_gl->backup_dc)
swapchain_blit_gdi(swapchain, context, src_rect, dst_rect);
if (!(render_to_fbo = swapchain->render_to_fbo)
&& (src_rect->left || src_rect->top
|| src_rect->right != desc->backbuffer_width
@ -1152,6 +1222,8 @@ static void swapchain_vk_present(struct wined3d_swapchain *swapchain, const RECT
if (swapchain_vk->vk_swapchain)
wined3d_swapchain_vk_blit(swapchain_vk, context_vk, src_rect, dst_rect, swap_interval);
else
swapchain_blit_gdi(swapchain, &context_vk->c, src_rect, dst_rect);
wined3d_swapchain_vk_rotate(swapchain, context_vk);