static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
const struct wined3d_box *dirty_region)
{
struct wined3d_surface *surface = surface_from_resource(sub_resource);
surface_prepare_map_memory(surface);
surface_load_location(surface, surface->resource.map_binding);
surface_invalidate_location(surface, ~surface->resource.map_binding);
}
static HRESULT swapchain_init(struct wined3d_swapchain *swapchain, struct wined3d_device *device,
struct wined3d_swapchain_desc *desc, void *parent, const struct wined3d_parent_ops *parent_ops)
{
const struct wined3d_adapter *adapter = device->adapter;
const struct wined3d_gl_info *gl_info = &adapter->gl_info;
struct wined3d_resource_desc surface_desc;
BOOL displaymode_set = FALSE;
RECT client_rect;
HWND window;
HRESULT hr;
UINT i;
if (desc->backbuffer_count > WINED3DPRESENT_BACK_BUFFER_MAX)
{
FIXME("The application requested %u back buffers, this is not supported.\n",
desc->backbuffer_count);
return WINED3DERR_INVALIDCALL;
}
if (desc->backbuffer_count > 1)
{
FIXME("The application requested more than one back buffer, this is not properly supported.\n"
"Please configure the application to use double buffering (1 back buffer) if possible.\n");
}
if (device->wined3d->flags & WINED3D_NO3D)
swapchain->swapchain_ops = &swapchain_gdi_ops;
else
swapchain->swapchain_ops = &swapchain_gl_ops;
window = desc->device_window ? desc->device_window : device->create_parms.focus_window;
swapchain->device = device;
swapchain->parent = parent;
swapchain->parent_ops = parent_ops;
swapchain->ref = 1;
swapchain->win_handle = window;
swapchain->device_window = window;
if (FAILED(hr = wined3d_get_adapter_display_mode(device->wined3d,
adapter->ordinal, &swapchain->original_mode, NULL)))
{
ERR("Failed to get current display mode, hr %#x.\n", hr);
goto err;
}
GetClientRect(window, &client_rect);
if (desc->windowed
&& (!desc->backbuffer_width || !desc->backbuffer_height
|| desc->backbuffer_format == WINED3DFMT_UNKNOWN))
{
if (!desc->backbuffer_width)
{
desc->backbuffer_width = client_rect.right;
TRACE("Updating width to %u.\n", desc->backbuffer_width);
}
if (!desc->backbuffer_height)
{
desc->backbuffer_height = client_rect.bottom;
TRACE("Updating height to %u.\n", desc->backbuffer_height);
}
if (desc->backbuffer_format == WINED3DFMT_UNKNOWN)
{
desc->backbuffer_format = swapchain->original_mode.format_id;
TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->original_mode.format_id));
}
}
swapchain->desc = *desc;
swapchain_update_render_to_fbo(swapchain);
swapchain_update_surface(swapchain);
TRACE("Creating front buffer.\n");
surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
surface_desc.format = swapchain->desc.backbuffer_format;
surface_desc.multisample_type = swapchain->desc.multisample_type;
surface_desc.multisample_quality = swapchain->desc.multisample_quality;
surface_desc.usage = 0;
surface_desc.pool = WINED3D_POOL_DEFAULT;
surface_desc.width = swapchain->desc.backbuffer_width;
surface_desc.height = swapchain->desc.backbuffer_height;
surface_desc.depth = 1;
surface_desc.size = 0;
if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
parent, &surface_desc, &swapchain->front_buffer)))
{
WARN("Failed to create front buffer, hr %#x.\n", hr);
goto err;
}
surface_set_swapchain(swapchain->front_buffer, swapchain);
if (!(device->wined3d->flags & WINED3D_NO3D))
{
surface_validate_location(swapchain->front_buffer, WINED3D_LOCATION_DRAWABLE);
surface_invalidate_location(swapchain->front_buffer, ~WINED3D_LOCATION_DRAWABLE);
}
/* MSDN says we're only allowed a single fullscreen swapchain per device,
* so we should really check to see if there is a fullscreen swapchain
* already. Does a single head count as full screen? */
if (!desc->windowed)
{
struct wined3d_display_mode mode;
/* Change the display settings */
mode.width = desc->backbuffer_width;
mode.height = desc->backbuffer_height;
mode.format_id = desc->backbuffer_format;
mode.refresh_rate = desc->refresh_rate;
mode.scanline_ordering = WINED3D_SCANLINE_ORDERING_UNKNOWN;
if (FAILED(hr = wined3d_set_adapter_display_mode(device->wined3d, adapter->ordinal, &mode)))
{
WARN("Failed to set display mode, hr %#x.\n", hr);
goto err;
}
displaymode_set = TRUE;
}
if (!(device->wined3d->flags & WINED3D_NO3D))
{
static const enum wined3d_format_id formats[] =
{
WINED3DFMT_D24_UNORM_S8_UINT,
WINED3DFMT_D32_UNORM,
WINED3DFMT_R24_UNORM_X8_TYPELESS,
WINED3DFMT_D16_UNORM,
WINED3DFMT_S1_UINT_D15_UNORM
};
swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain->context));
if (!swapchain->context)
{
ERR("Failed to create the context array.\n");
hr = E_OUTOFMEMORY;
goto err;
}
swapchain->num_contexts = 1;
/* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
* You are able to add a depth + stencil surface at a later stage when you need it.
* In order to support this properly in WineD3D we need the ability to recreate the opengl context and
* drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
* context, need torecreate shaders, textures and other resources.
*
* The context manager already takes care of the state problem and for the other tasks code from Reset
* can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
* Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
* time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
* issue needs to be fixed. */
for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
{
swapchain->ds_format = wined3d_get_format(gl_info, formats[i]);
swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
if (swapchain->context[0]) break;
TRACE("Depth stencil format %s is not supported, trying next format\n",
debug_d3dformat(formats[i]));
}
if (!swapchain->context[0])
{
WARN("Failed to create context.\n");
hr = WINED3DERR_NOTAVAILABLE;
goto err;
}
if (wined3d_settings.offscreen_rendering_mode != ORM_FBO
&& (!desc->enable_auto_depth_stencil
|| swapchain->desc.auto_depth_stencil_format != swapchain->ds_format->id))
{
FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
}
context_release(swapchain->context[0]);
}
if (swapchain->desc.backbuffer_count > 0)
{
swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
sizeof(*swapchain->back_buffers) * swapchain->desc.backbuffer_count);
if (!swapchain->back_buffers)
{
ERR("Failed to allocate backbuffer array memory.\n");
hr = E_OUTOFMEMORY;
goto err;
}
surface_desc.usage |= WINED3DUSAGE_RENDERTARGET;
for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
{
TRACE("Creating back buffer %u.\n", i);
if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
parent, &surface_desc, &swapchain->back_buffers[i])))
{
WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
swapchain->desc.backbuffer_count = i;
goto err;
}
surface_set_swapchain(swapchain->back_buffers[i], swapchain);
}
}
/* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
if (desc->enable_auto_depth_stencil && !(device->wined3d->flags & WINED3D_NO3D))
{
TRACE("Creating depth/stencil buffer.\n");
if (!device->auto_depth_stencil)
{
surface_desc.format = swapchain->desc.auto_depth_stencil_format;
surface_desc.usage = WINED3DUSAGE_DEPTHSTENCIL;
if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
device->device_parent, &surface_desc, &device->auto_depth_stencil)))
{
WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
goto err;
}
}
}
wined3d_swapchain_get_gamma_ramp(swapchain, &swapchain->orig_gamma);
return WINED3D_OK;
err:
if (displaymode_set)
{
if (FAILED(wined3d_set_adapter_display_mode(device->wined3d,
adapter->ordinal, &swapchain->original_mode)))
ERR("Failed to restore display mode.\n");
ClipCursor(NULL);
}
if (swapchain->back_buffers)
{
for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
{
if (swapchain->back_buffers[i])
{
surface_set_swapchain(swapchain->back_buffers[i], NULL);
wined3d_surface_decref(swapchain->back_buffers[i]);
}
}
HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
}
if (swapchain->context)
{
if (swapchain->context[0])
{
context_release(swapchain->context[0]);
context_destroy(device, swapchain->context[0]);
swapchain->num_contexts = 0;
}
HeapFree(GetProcessHeap(), 0, swapchain->context);
}
if (swapchain->front_buffer)
{
surface_set_swapchain(swapchain->front_buffer, NULL);
wined3d_surface_decref(swapchain->front_buffer);
}
if (swapchain->surface && !GL_EXTCALL(wglDestroySurfaceWINE(swapchain->surface)))
ERR("wglDestroySurfaceWINE failed to destroy surface %p\n", swapchain->surface);
return hr;
}
static void swapchain_gl_present(struct wined3d_swapchain *swapchain, const RECT *src_rect_in,
const RECT *dst_rect_in, const RGNDATA *dirty_region, DWORD flags)
{
struct wined3d_surface *back_buffer = swapchain->back_buffers[0];
const struct wined3d_fb_state *fb = &swapchain->device->fb;
const struct wined3d_gl_info *gl_info;
struct wined3d_context *context;
RECT src_rect, dst_rect;
BOOL render_to_fbo;
context = context_acquire(swapchain->device, back_buffer);
if (!context->valid)
{
context_release(context);
WARN("Invalid context, skipping present.\n");
return;
}
gl_info = context->gl_info;
if (swapchain->device->logo_texture)
{
struct wined3d_surface *src_surface = surface_from_resource(
wined3d_texture_get_sub_resource(swapchain->device->logo_texture, 0));
RECT rect = {0, 0, src_surface->resource.width, src_surface->resource.height};
/* Blit the logo into the upper left corner of the drawable. */
wined3d_surface_blt(back_buffer, &rect, src_surface, &rect, WINEDDBLT_ALPHATEST,
NULL, WINED3D_TEXF_POINT);
}
if (swapchain->device->bCursorVisible && swapchain->device->cursor_texture
&& !swapchain->device->hardwareCursor)
{
struct wined3d_surface *cursor = surface_from_resource(
wined3d_texture_get_sub_resource(swapchain->device->cursor_texture, 0));
RECT destRect =
{
swapchain->device->xScreenSpace - swapchain->device->xHotSpot,
swapchain->device->yScreenSpace - swapchain->device->yHotSpot,
swapchain->device->xScreenSpace + swapchain->device->cursorWidth - swapchain->device->xHotSpot,
swapchain->device->yScreenSpace + swapchain->device->cursorHeight - swapchain->device->yHotSpot,
};
TRACE("Rendering the software cursor.\n");
if (swapchain->desc.windowed)
MapWindowPoints(NULL, swapchain->win_handle, (POINT *)&destRect, 2);
wined3d_surface_blt(back_buffer, &destRect, cursor, NULL, WINEDDBLT_ALPHATEST,
NULL, WINED3D_TEXF_POINT);
}
TRACE("Presenting HDC %p.\n", context->hdc);
render_to_fbo = swapchain->render_to_fbo;
if (src_rect_in)
{
src_rect = *src_rect_in;
if (!render_to_fbo && (src_rect.left || src_rect.top
|| src_rect.right != swapchain->desc.backbuffer_width
|| src_rect.bottom != swapchain->desc.backbuffer_height))
{
render_to_fbo = TRUE;
}
}
else
{
src_rect.left = 0;
src_rect.top = 0;
src_rect.right = swapchain->desc.backbuffer_width;
src_rect.bottom = swapchain->desc.backbuffer_height;
}
if (dst_rect_in)
dst_rect = *dst_rect_in;
else if (context->surface && !swapchain->desc.windowed)
{
dst_rect.left = 0;
dst_rect.top = 0;
dst_rect.right = swapchain->front_buffer->resource.width;
dst_rect.bottom = swapchain->front_buffer->resource.height;
}
else
GetClientRect(swapchain->win_handle, &dst_rect);
if (!render_to_fbo && (dst_rect.left || dst_rect.top
|| dst_rect.right != swapchain->desc.backbuffer_width
|| dst_rect.bottom != swapchain->desc.backbuffer_height))
render_to_fbo = TRUE;
/* Rendering to a window of different size, presenting partial rectangles,
* or rendering to a different window needs help from FBO_blit or a textured
* draw. Render the swapchain to a FBO in the future.
*
* Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
* all these issues - this fails if the window is smaller than the backbuffer.
*/
if (!swapchain->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
{
surface_load_location(back_buffer, WINED3D_LOCATION_TEXTURE_RGB);
surface_invalidate_location(back_buffer, WINED3D_LOCATION_DRAWABLE);
swapchain->render_to_fbo = TRUE;
swapchain_update_draw_bindings(swapchain);
}
else
{
surface_load_location(back_buffer, back_buffer->draw_binding);
}
if (swapchain->render_to_fbo)
{
static unsigned int once;
if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP && !once++)
FIXME("WINED3D_SWAP_EFFECT_FLIP not implemented.\n");
swapchain_blit(swapchain, context, &src_rect, &dst_rect);
}
if (swapchain->num_contexts > 1)
gl_info->gl_ops.gl.p_glFinish();
/* call wglSwapBuffers through the gl table to avoid confusing the Steam overlay */
gl_info->gl_ops.wgl.p_wglSwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
TRACE("SwapBuffers called, Starting new frame\n");
/* FPS support */
if (TRACE_ON(fps))
{
DWORD time = GetTickCount();
++swapchain->frames;
/* every 1.5 seconds */
if (time - swapchain->prev_time > 1500)
{
TRACE_(fps)("%p @ approx %.2ffps\n",
swapchain, 1000.0 * swapchain->frames / (time - swapchain->prev_time));
swapchain->prev_time = time;
swapchain->frames = 0;
}
}
if (!swapchain->render_to_fbo && ((swapchain->front_buffer->locations & WINED3D_LOCATION_SYSMEM)
|| (back_buffer->locations & WINED3D_LOCATION_SYSMEM)))
{
/* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
* Doesn't work with render_to_fbo because we're not flipping
*/
struct wined3d_surface *front = swapchain->front_buffer;
if (front->resource.size == back_buffer->resource.size)
{
flip_surface(front, back_buffer);
/* Tell the front buffer surface that is has been modified. However,
* the other locations were preserved during that, so keep the flags.
* This serves to update the emulated overlay, if any. */
surface_validate_location(front, WINED3D_LOCATION_DRAWABLE);
}
else
{
surface_validate_location(front, WINED3D_LOCATION_DRAWABLE);
surface_invalidate_location(front, ~WINED3D_LOCATION_DRAWABLE);
surface_validate_location(back_buffer, WINED3D_LOCATION_DRAWABLE);
surface_invalidate_location(back_buffer, ~WINED3D_LOCATION_DRAWABLE);
}
}
else
{
surface_validate_location(swapchain->front_buffer, WINED3D_LOCATION_DRAWABLE);
surface_invalidate_location(swapchain->front_buffer, ~WINED3D_LOCATION_DRAWABLE);
/* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
* and INTEXTURE copies can keep their old content if they have any defined content.
* If the swapeffect is COPY, the content remains the same. If it is FLIP however,
* the texture / sysmem copy needs to be reloaded from the drawable
*/
if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP)
{
surface_validate_location(back_buffer, back_buffer->draw_binding);
surface_invalidate_location(back_buffer, ~back_buffer->draw_binding);
}
}
if (fb->depth_stencil)
{
if (swapchain->desc.flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
|| fb->depth_stencil->flags & SFLAG_DISCARD)
{
surface_modify_ds_location(fb->depth_stencil, WINED3D_LOCATION_DISCARDED,
fb->depth_stencil->resource.width,
fb->depth_stencil->resource.height);
if (fb->depth_stencil == swapchain->device->onscreen_depth_stencil)
{
wined3d_surface_decref(swapchain->device->onscreen_depth_stencil);
swapchain->device->onscreen_depth_stencil = NULL;
}
}
}
context_release(context);
}
static void swapchain_gl_present(struct wined3d_swapchain *swapchain, const RECT *src_rect_in,
const RECT *dst_rect_in, const RGNDATA *dirty_region, DWORD flags)
{
struct wined3d_surface *back_buffer = swapchain->back_buffers[0];
const struct wined3d_fb_state *fb = &swapchain->device->fb;
const struct wined3d_gl_info *gl_info;
struct wined3d_context *context;
RECT src_rect, dst_rect;
BOOL render_to_fbo;
context = context_acquire(swapchain->device, back_buffer);
if (!context->valid)
{
context_release(context);
WARN("Invalid context, skipping present.\n");
return;
}
gl_info = context->gl_info;
/* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
if (swapchain->device->bCursorVisible &&
swapchain->device->cursorTexture &&
!swapchain->device->hardwareCursor)
{
struct wined3d_surface cursor;
RECT destRect =
{
swapchain->device->xScreenSpace - swapchain->device->xHotSpot,
swapchain->device->yScreenSpace - swapchain->device->yHotSpot,
swapchain->device->xScreenSpace + swapchain->device->cursorWidth - swapchain->device->xHotSpot,
swapchain->device->yScreenSpace + swapchain->device->cursorHeight - swapchain->device->yHotSpot,
};
TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
/* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
* the application because we are only supposed to copy the information out. Using a fake surface
* allows us to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
*/
memset(&cursor, 0, sizeof(cursor));
cursor.resource.ref = 1;
cursor.resource.device = swapchain->device;
cursor.resource.pool = WINED3D_POOL_SCRATCH;
cursor.resource.format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
cursor.resource.type = WINED3D_RTYPE_SURFACE;
cursor.texture_name = swapchain->device->cursorTexture;
cursor.texture_target = GL_TEXTURE_2D;
cursor.texture_level = 0;
cursor.resource.width = swapchain->device->cursorWidth;
cursor.resource.height = swapchain->device->cursorHeight;
/* The cursor must have pow2 sizes */
cursor.pow2Width = cursor.resource.width;
cursor.pow2Height = cursor.resource.height;
/* The surface is in the texture */
cursor.flags |= SFLAG_INTEXTURE;
/* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
* which is exactly what we want :-)
*/
if (swapchain->desc.windowed)
MapWindowPoints(NULL, swapchain->win_handle, (POINT *)&destRect, 2);
wined3d_surface_blt(back_buffer, &destRect, &cursor, NULL, WINEDDBLT_KEYSRC,
NULL, WINED3D_TEXF_POINT);
}
if (swapchain->device->logo_surface)
{
struct wined3d_surface *src_surface = swapchain->device->logo_surface;
RECT rect = {0, 0, src_surface->resource.width, src_surface->resource.height};
/* Blit the logo into the upper left corner of the drawable. */
wined3d_surface_blt(back_buffer, &rect, src_surface, &rect, WINEDDBLT_KEYSRC,
NULL, WINED3D_TEXF_POINT);
}
TRACE("Presenting HDC %p.\n", context->hdc);
render_to_fbo = swapchain->render_to_fbo;
if (src_rect_in)
{
src_rect = *src_rect_in;
if (!render_to_fbo && (src_rect.left || src_rect.top
|| src_rect.right != swapchain->desc.backbuffer_width
|| src_rect.bottom != swapchain->desc.backbuffer_height))
{
render_to_fbo = TRUE;
}
}
else
{
src_rect.left = 0;
src_rect.top = 0;
src_rect.right = swapchain->desc.backbuffer_width;
src_rect.bottom = swapchain->desc.backbuffer_height;
}
if (dst_rect_in)
dst_rect = *dst_rect_in;
else
GetClientRect(swapchain->win_handle, &dst_rect);
if (!render_to_fbo && (dst_rect.left || dst_rect.top
|| dst_rect.right != swapchain->desc.backbuffer_width
|| dst_rect.bottom != swapchain->desc.backbuffer_height))
render_to_fbo = TRUE;
/* Rendering to a window of different size, presenting partial rectangles,
* or rendering to a different window needs help from FBO_blit or a textured
* draw. Render the swapchain to a FBO in the future.
*
* Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
* all these issues - this fails if the window is smaller than the backbuffer.
*/
if (!swapchain->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
{
surface_load_location(back_buffer, SFLAG_INTEXTURE, NULL);
surface_invalidate_location(back_buffer, SFLAG_INDRAWABLE);
swapchain->render_to_fbo = TRUE;
swapchain_update_draw_bindings(swapchain);
}
else
{
surface_load_location(back_buffer, back_buffer->draw_binding, NULL);
}
if (swapchain->render_to_fbo)
{
/* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
* window size mismatch is impossible(fullscreen) and src and dst rectangles are
* not allowed(they need the COPY swapeffect)
*
* The DISCARD swap effect is ok as well since any backbuffer content is allowed after
* the swap. */
if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP)
FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
swapchain_blit(swapchain, context, &src_rect, &dst_rect);
}
if (swapchain->num_contexts > 1)
gl_info->gl_ops.gl.p_glFinish();
/* call wglSwapBuffers through the gl table to avoid confusing the Steam overlay */
gl_info->gl_ops.wgl.p_wglSwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
TRACE("SwapBuffers called, Starting new frame\n");
/* FPS support */
if (TRACE_ON(fps))
{
DWORD time = GetTickCount();
++swapchain->frames;
/* every 1.5 seconds */
if (time - swapchain->prev_time > 1500)
{
TRACE_(fps)("%p @ approx %.2ffps\n",
swapchain, 1000.0 * swapchain->frames / (time - swapchain->prev_time));
swapchain->prev_time = time;
swapchain->frames = 0;
}
}
if (!swapchain->render_to_fbo && ((swapchain->front_buffer->flags & SFLAG_INSYSMEM)
|| (back_buffer->flags & SFLAG_INSYSMEM)))
{
/* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
* Doesn't work with render_to_fbo because we're not flipping
*/
struct wined3d_surface *front = swapchain->front_buffer;
if (front->resource.size == back_buffer->resource.size)
{
flip_surface(front, back_buffer);
/* Tell the front buffer surface that is has been modified. However,
* the other locations were preserved during that, so keep the flags.
* This serves to update the emulated overlay, if any. */
surface_validate_location(front, SFLAG_INDRAWABLE);
}
else
{
surface_validate_location(front, SFLAG_INDRAWABLE);
surface_invalidate_location(front, ~SFLAG_INDRAWABLE);
surface_validate_location(back_buffer, SFLAG_INDRAWABLE);
surface_invalidate_location(back_buffer, ~SFLAG_INDRAWABLE);
}
}
else
{
surface_validate_location(swapchain->front_buffer, SFLAG_INDRAWABLE);
surface_invalidate_location(swapchain->front_buffer, ~SFLAG_INDRAWABLE);
/* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
* and INTEXTURE copies can keep their old content if they have any defined content.
* If the swapeffect is COPY, the content remains the same. If it is FLIP however,
* the texture / sysmem copy needs to be reloaded from the drawable
*/
if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP)
{
surface_validate_location(back_buffer, back_buffer->draw_binding);
surface_invalidate_location(back_buffer, ~back_buffer->draw_binding);
}
}
if (fb->depth_stencil)
{
if (swapchain->desc.flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
|| fb->depth_stencil->flags & SFLAG_DISCARD)
{
surface_modify_ds_location(fb->depth_stencil, SFLAG_DISCARDED,
fb->depth_stencil->resource.width,
fb->depth_stencil->resource.height);
if (fb->depth_stencil == swapchain->device->onscreen_depth_stencil)
{
wined3d_surface_decref(swapchain->device->onscreen_depth_stencil);
swapchain->device->onscreen_depth_stencil = NULL;
}
}
}
context_release(context);
}