/* Do not call while under the GL lock. */
static HRESULT swapchain_init(struct wined3d_swapchain *swapchain, enum wined3d_surface_type surface_type,
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_format *format;
struct wined3d_display_mode mode;
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");
}
switch (surface_type)
{
case WINED3D_SURFACE_TYPE_GDI:
swapchain->swapchain_ops = &swapchain_gdi_ops;
break;
case WINED3D_SURFACE_TYPE_OPENGL:
swapchain->swapchain_ops = &swapchain_gl_ops;
break;
default:
ERR("Invalid surface type %#x.\n", surface_type);
return WINED3DERR_INVALIDCALL;
}
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;
wined3d_get_adapter_display_mode(device->wined3d, adapter->ordinal, &mode, NULL);
swapchain->orig_width = mode.width;
swapchain->orig_height = mode.height;
swapchain->orig_fmt = mode.format_id;
format = wined3d_get_format(&adapter->gl_info, mode.format_id);
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->orig_fmt;
TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
}
}
swapchain->desc = *desc;
swapchain_update_render_to_fbo(swapchain);
TRACE("Creating front buffer.\n");
if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent, parent,
swapchain->desc.backbuffer_width, swapchain->desc.backbuffer_height,
swapchain->desc.backbuffer_format, WINED3DUSAGE_RENDERTARGET,
swapchain->desc.multisample_type, swapchain->desc.multisample_quality,
&swapchain->front_buffer)))
{
WARN("Failed to create front buffer, hr %#x.\n", hr);
goto err;
}
surface_set_container(swapchain->front_buffer, WINED3D_CONTAINER_SWAPCHAIN, swapchain);
if (surface_type == WINED3D_SURFACE_TYPE_OPENGL)
surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
/* 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, device->adapter->ordinal, &mode)))
{
WARN("Failed to set display mode, hr %#x.\n", hr);
goto err;
}
displaymode_set = TRUE;
}
if (surface_type == WINED3D_SURFACE_TYPE_OPENGL)
{
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
};
const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
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;
}
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,
swapchain->desc.backbuffer_width, swapchain->desc.backbuffer_height,
swapchain->desc.backbuffer_format, WINED3DUSAGE_RENDERTARGET,
swapchain->desc.multisample_type, swapchain->desc.multisample_quality,
&swapchain->back_buffers[i])))
{
WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
goto err;
}
surface_set_container(swapchain->back_buffers[i], WINED3D_CONTAINER_SWAPCHAIN, swapchain);
}
}
/* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
if (desc->enable_auto_depth_stencil && surface_type == WINED3D_SURFACE_TYPE_OPENGL)
{
TRACE("Creating depth/stencil buffer.\n");
if (!device->auto_depth_stencil)
{
if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
device->device_parent, swapchain->desc.backbuffer_width, swapchain->desc.backbuffer_height,
swapchain->desc.auto_depth_stencil_format, WINED3DUSAGE_DEPTHSTENCIL,
swapchain->desc.multisample_type, swapchain->desc.multisample_quality,
&device->auto_depth_stencil)))
{
WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
goto err;
}
surface_set_container(device->auto_depth_stencil, WINED3D_CONTAINER_NONE, NULL);
}
}
wined3d_swapchain_get_gamma_ramp(swapchain, &swapchain->orig_gamma);
return WINED3D_OK;
err:
if (displaymode_set)
{
DEVMODEW devmode;
ClipCursor(NULL);
/* Change the display settings */
memset(&devmode, 0, sizeof(devmode));
devmode.dmSize = sizeof(devmode);
devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
devmode.dmBitsPerPel = format->byte_count * CHAR_BIT;
devmode.dmPelsWidth = swapchain->orig_width;
devmode.dmPelsHeight = swapchain->orig_height;
ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
}
if (swapchain->back_buffers)
{
for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
{
if (swapchain->back_buffers[i])
{
surface_set_container(swapchain->back_buffers[i], WINED3D_CONTAINER_NONE, 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_container(swapchain->front_buffer, WINED3D_CONTAINER_NONE, NULL);
wined3d_surface_decref(swapchain->front_buffer);
}
return hr;
}
/* Routine common to the draw primitive and draw indexed primitive routines */
void drawPrimitive(IWineD3DDeviceImpl *device, UINT index_count, UINT StartIdx, UINT idxSize, const void *idxData)
{
const struct wined3d_state *state = &device->stateBlock->state;
struct wined3d_context *context;
unsigned int i;
if (!index_count) return;
if (state->render_states[WINED3DRS_COLORWRITEENABLE])
{
/* Invalidate the back buffer memory so LockRect will read it the next time */
for (i = 0; i < device->adapter->gl_info.limits.buffers; ++i)
{
IWineD3DSurfaceImpl *target = device->render_targets[i];
if (target)
{
surface_load_location(target, SFLAG_INDRAWABLE, NULL);
surface_modify_location(target, SFLAG_INDRAWABLE, TRUE);
}
}
}
/* Signals other modules that a drawing is in progress and the stateblock finalized */
device->isInDraw = TRUE;
context = context_acquire(device, device->render_targets[0]);
if (!context->valid)
{
context_release(context);
WARN("Invalid context, skipping draw.\n");
return;
}
context_apply_draw_state(context, device);
if (device->depth_stencil)
{
/* Note that this depends on the context_acquire() call above to set
* context->render_offscreen properly. We don't currently take the
* Z-compare function into account, but we could skip loading the
* depthstencil for D3DCMP_NEVER and D3DCMP_ALWAYS as well. Also note
* that we never copy the stencil data.*/
DWORD location = context->render_offscreen ? SFLAG_DS_OFFSCREEN : SFLAG_DS_ONSCREEN;
if (state->render_states[WINED3DRS_ZWRITEENABLE] || state->render_states[WINED3DRS_ZENABLE])
{
IWineD3DSurfaceImpl *ds = device->depth_stencil;
RECT current_rect, draw_rect, r;
if (location == SFLAG_DS_ONSCREEN && ds != device->onscreen_depth_stencil)
device_switch_onscreen_ds(device, context, ds);
if (ds->flags & location)
SetRect(¤t_rect, 0, 0, ds->ds_current_size.cx, ds->ds_current_size.cy);
else
SetRectEmpty(¤t_rect);
device_get_draw_rect(device, &draw_rect);
IntersectRect(&r, &draw_rect, ¤t_rect);
if (!EqualRect(&r, &draw_rect))
surface_load_ds_location(ds, context, location);
if (state->render_states[WINED3DRS_ZWRITEENABLE])
{
surface_modify_ds_location(ds, location, ds->ds_current_size.cx, ds->ds_current_size.cy);
surface_modify_location(ds, SFLAG_INDRAWABLE, TRUE);
}
}
}
if ((!context->gl_info->supported[WINED3D_GL_VERSION_2_0]
|| (!glPointParameteri && !context->gl_info->supported[NV_POINT_SPRITE]))
&& context->render_offscreen
&& state->render_states[WINED3DRS_POINTSPRITEENABLE]
&& state->gl_primitive_type == GL_POINTS)
{
FIXME("Point sprite coordinate origin switching not supported.\n");
}
/* Ok, we will be updating the screen from here onwards so grab the lock */
ENTER_GL();
{
GLenum glPrimType = state->gl_primitive_type;
BOOL emulation = FALSE;
const struct wined3d_stream_info *stream_info = &device->strided_streams;
struct wined3d_stream_info stridedlcl;
if (!use_vs(state))
{
if (!stream_info->position_transformed && context->num_untracked_materials
&& state->render_states[WINED3DRS_LIGHTING])
{
static BOOL warned;
if (!warned) {
FIXME("Using software emulation because not all material properties could be tracked\n");
warned = TRUE;
} else {
TRACE("Using software emulation because not all material properties could be tracked\n");
}
emulation = TRUE;
}
else if (context->fog_coord && state->render_states[WINED3DRS_FOGENABLE])
{
/* Either write a pipeline replacement shader or convert the specular alpha from unsigned byte
* to a float in the vertex buffer
*/
static BOOL warned;
if (!warned) {
FIXME("Using software emulation because manual fog coordinates are provided\n");
warned = TRUE;
} else {
TRACE("Using software emulation because manual fog coordinates are provided\n");
}
emulation = TRUE;
}
if(emulation) {
stream_info = &stridedlcl;
memcpy(&stridedlcl, &device->strided_streams, sizeof(stridedlcl));
remove_vbos(context->gl_info, state, &stridedlcl);
}
}
if (device->useDrawStridedSlow || emulation)
{
/* Immediate mode drawing */
if (use_vs(state))
{
static BOOL warned;
if (!warned) {
FIXME("Using immediate mode with vertex shaders for half float emulation\n");
warned = TRUE;
} else {
TRACE("Using immediate mode with vertex shaders for half float emulation\n");
}
drawStridedSlowVs(context->gl_info, state, stream_info,
index_count, glPrimType, idxData, idxSize, StartIdx);
}
else
{
drawStridedSlow(device, context, stream_info, index_count,
glPrimType, idxData, idxSize, StartIdx);
}
}
else if (device->instancedDraw)
{
/* Instancing emulation with mixing immediate mode and arrays */
drawStridedInstanced(context->gl_info, state, stream_info,
index_count, glPrimType, idxData, idxSize, StartIdx);
}
else
{
drawStridedFast(glPrimType, index_count, idxSize, idxData, StartIdx);
}
}
/* Finished updating the screen, restore lock */
LEAVE_GL();
for(i = 0; i < device->num_buffer_queries; ++i)
{
wined3d_event_query_issue(device->buffer_queries[i], device);
}
if (wined3d_settings.strict_draw_ordering) wglFlush(); /* Flush to ensure ordering across contexts. */
context_release(context);
TRACE("Done all gl drawing\n");
/* Control goes back to the device, stateblock values may change again */
device->isInDraw = FALSE;
}
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_modify_location(back_buffer, SFLAG_INDRAWABLE, FALSE);
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();
SwapBuffers(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;
}
}
/* This is disabled, but the code left in for debug purposes.
*
* Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
* we can clear it with some ugly color to make bad drawing visible and ease debugging.
* The Debug runtime does the same on Windows. However, a few games do not redraw the
* screen properly, like Max Payne 2, which leaves a few pixels undefined.
*
* Tests show that the content of the back buffer after a discard flip is indeed not
* reliable, so no game can depend on the exact content. However, it resembles the
* old contents in some way, for example by showing fragments at other locations. In
* general, the color theme is still intact. So Max payne, which draws rather dark scenes
* gets a dark background image. If we clear it with a bright ugly color, the game's
* bug shows up much more than it does on Windows, and the players see single pixels
* with wrong colors.
* (The Max Payne bug has been confirmed on Windows with the debug runtime) */
if (FALSE && swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_DISCARD)
{
static const struct wined3d_color cyan = {0.0f, 1.0f, 1.0f, 1.0f};
TRACE("Clearing the color buffer with cyan color\n");
wined3d_device_clear(swapchain->device, 0, NULL,
WINED3DCLEAR_TARGET, &cyan, 1.0f, 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)
{
DWORD fbflags;
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. */
fbflags = front->flags;
surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
front->flags = fbflags;
}
else
{
surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
surface_modify_location(back_buffer, SFLAG_INDRAWABLE, TRUE);
}
}
else
{
surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
/* 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_modify_location(back_buffer, back_buffer->draw_binding, TRUE);
}
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);
}
/* Do not call while under the GL lock. */
static void texture_preload(IWineD3DBaseTextureImpl *texture, enum WINED3DSRGB srgb)
{
IWineD3DDeviceImpl *device = texture->resource.device;
struct wined3d_context *context = NULL;
unsigned int i;
BOOL srgb_mode;
BOOL *dirty;
TRACE("texture %p, srgb %#x.\n", texture, srgb);
switch (srgb)
{
case SRGB_RGB:
srgb_mode = FALSE;
break;
case SRGB_BOTH:
texture_preload(texture, SRGB_RGB);
/* Fallthrough */
case SRGB_SRGB:
srgb_mode = TRUE;
break;
default:
srgb_mode = texture->baseTexture.is_srgb;
break;
}
dirty = srgb_mode ? &texture->baseTexture.texture_srgb.dirty : &texture->baseTexture.texture_rgb.dirty;
if (!device->isInDraw)
{
/* context_acquire() sets isInDraw to TRUE when loading a pbuffer into a texture,
* thus no danger of recursive calls. */
context = context_acquire(device, NULL);
}
if (texture->resource.format->id == WINED3DFMT_P8_UINT
|| texture->resource.format->id == WINED3DFMT_P8_UINT_A8_UNORM)
{
for (i = 0; i < texture->baseTexture.level_count; ++i)
{
IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)texture->baseTexture.sub_resources[i];
if (palette9_changed(surface))
{
TRACE("Reloading surface because the d3d8/9 palette was changed.\n");
/* TODO: This is not necessarily needed with hw palettized texture support. */
surface_load_location(surface, SFLAG_INSYSMEM, NULL);
/* Make sure the texture is reloaded because of the palette change, this kills performance though :( */
surface_modify_location(surface, SFLAG_INTEXTURE, FALSE);
}
}
}
/* If the texture is marked dirty or the srgb sampler setting has changed
* since the last load then reload the surfaces. */
if (*dirty)
{
for (i = 0; i < texture->baseTexture.level_count; ++i)
{
IWineD3DSurface_LoadTexture((IWineD3DSurface *)texture->baseTexture.sub_resources[i], srgb_mode);
}
}
else
{
TRACE("Texture %p not dirty, nothing to do.\n", texture);
}
if (context) context_release(context);
/* No longer dirty. */
*dirty = FALSE;
}
