Stefan Dösinger : wined3d: Split out offscreen rendering concerns from FindContext.
Module: wine Branch: master Commit: a4b0bedc30f31d19d969364c80f979b77cce9011 URL: http://source.winehq.org/git/wine.git/?a=commit;h=a4b0bedc30f31d19d969364c80... Author: Stefan Dösinger <stefan(a)codeweavers.com> Date: Sat Mar 27 17:40:28 2010 +0100 wined3d: Split out offscreen rendering concerns from FindContext. --- dlls/wined3d/context.c | 163 ++++++++++++++++++++++++----------------------- 1 files changed, 83 insertions(+), 80 deletions(-) diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c index 15a8f77..f3729ae 100644 --- a/dlls/wined3d/context.c +++ b/dlls/wined3d/context.c @@ -1834,10 +1834,8 @@ static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSur { IWineD3DSwapChain *swapchain = NULL; struct wined3d_context *current_context = context_get_current(); - const struct StateEntry *StateTable = This->StateTable; DWORD tid = GetCurrentThreadId(); struct wined3d_context *context; - BOOL old_render_offscreen; if (current_context && current_context->destroyed) current_context = NULL; @@ -1867,9 +1865,6 @@ static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSur TRACE("Rendering onscreen\n"); context = findThreadContextForSwapChain(swapchain, tid); - - old_render_offscreen = context->render_offscreen; - context->render_offscreen = surface_is_offscreen(target); IWineD3DSwapChain_Release(swapchain); } else @@ -1891,85 +1886,10 @@ static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSur * is perfect to call. */ context = findThreadContextForSwapChain(This->swapchains[0], tid); } - - old_render_offscreen = context->render_offscreen; - context->render_offscreen = TRUE; } context_validate(context); - if (context->render_offscreen != old_render_offscreen) - { - Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable); - Context_MarkStateDirty(context, STATE_VDECL, StateTable); - Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable); - Context_MarkStateDirty(context, STATE_SCISSORRECT, StateTable); - Context_MarkStateDirty(context, STATE_FRONTFACE, StateTable); - } - - /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers - * the alpha blend state changes with different render target formats. */ - if (!context->current_rt) - { - Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable); - } - else - { - const struct wined3d_format_desc *old = ((IWineD3DSurfaceImpl *)context->current_rt)->resource.format_desc; - const struct wined3d_format_desc *new = ((IWineD3DSurfaceImpl *)target)->resource.format_desc; - - if (old->format != new->format) - { - /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */ - if ((old->alpha_mask && !new->alpha_mask) || (!old->alpha_mask && new->alpha_mask) - || !(new->Flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING)) - { - Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable); - } - } - - /* When switching away from an offscreen render target, and we're not - * using FBOs, we have to read the drawable into the texture. This is - * done via PreLoad (and SFLAG_INDRAWABLE set on the surface). There - * are some things that need care though. PreLoad needs a GL context, - * and FindContext is called before the context is activated. It also - * has to be called with the old rendertarget active, otherwise a - * wrong drawable is read. */ - if (wined3d_settings.offscreen_rendering_mode != ORM_FBO - && old_render_offscreen && context->current_rt != target) - { - BOOL oldInDraw = This->isInDraw; - - /* surface_internal_preload() requires a context to load the - * texture, so it will call context_acquire(). Set isInDraw to true - * to signal surface_internal_preload() that it has a context. */ - - /* FIXME: This is just broken. There's no guarantee whatsoever - * that the currently active context, if any, is appropriate for - * reading back the render target. We should probably call - * context_set_current(context) here and then rely on - * context_acquire() doing the right thing. */ - This->isInDraw = TRUE; - - /* Read the back buffer of the old drawable into the destination texture. */ - if (((IWineD3DSurfaceImpl *)context->current_rt)->texture_name_srgb) - { - surface_internal_preload(context->current_rt, SRGB_BOTH); - } - else - { - surface_internal_preload(context->current_rt, SRGB_RGB); - } - - IWineD3DSurface_ModifyLocation(context->current_rt, SFLAG_INDRAWABLE, FALSE); - - This->isInDraw = oldInDraw; - } - } - - context->draw_buffer_dirty = TRUE; - context->current_rt = target; - return context; } @@ -2139,6 +2059,88 @@ static void context_apply_state(struct wined3d_context *context, IWineD3DDeviceI } } +static void context_setup_target(IWineD3DDeviceImpl *device, struct wined3d_context *context, IWineD3DSurface *target) +{ + BOOL old_render_offscreen = context->render_offscreen; + const struct StateEntry *StateTable = device->StateTable; + + if (!target) return; + else if (context->current_rt == target) return; + context->render_offscreen = surface_is_offscreen(target); + + if (context->render_offscreen != old_render_offscreen) + { + Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable); + Context_MarkStateDirty(context, STATE_VDECL, StateTable); + Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable); + Context_MarkStateDirty(context, STATE_SCISSORRECT, StateTable); + Context_MarkStateDirty(context, STATE_FRONTFACE, StateTable); + } + + /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers + * the alpha blend state changes with different render target formats. */ + if (!context->current_rt) + { + Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable); + } + else + { + const struct wined3d_format_desc *old = ((IWineD3DSurfaceImpl *)context->current_rt)->resource.format_desc; + const struct wined3d_format_desc *new = ((IWineD3DSurfaceImpl *)target)->resource.format_desc; + + if (old->format != new->format) + { + /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */ + if ((old->alpha_mask && !new->alpha_mask) || (!old->alpha_mask && new->alpha_mask) + || !(new->Flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING)) + { + Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable); + } + } + + /* When switching away from an offscreen render target, and we're not + * using FBOs, we have to read the drawable into the texture. This is + * done via PreLoad (and SFLAG_INDRAWABLE set on the surface). There + * are some things that need care though. PreLoad needs a GL context, + * and FindContext is called before the context is activated. It also + * has to be called with the old rendertarget active, otherwise a + * wrong drawable is read. */ + if (wined3d_settings.offscreen_rendering_mode != ORM_FBO + && old_render_offscreen && context->current_rt != target) + { + BOOL oldInDraw = device->isInDraw; + + /* surface_internal_preload() requires a context to load the + * texture, so it will call context_acquire(). Set isInDraw to true + * to signal surface_internal_preload() that it has a context. */ + + /* FIXME: This is just broken. There's no guarantee whatsoever + * that the currently active context, if any, is appropriate for + * reading back the render target. We should probably call + * context_set_current(context) here and then rely on + * context_acquire() doing the right thing. */ + device->isInDraw = TRUE; + + /* Read the back buffer of the old drawable into the destination texture. */ + if (((IWineD3DSurfaceImpl *)context->current_rt)->texture_name_srgb) + { + surface_internal_preload(context->current_rt, SRGB_BOTH); + } + else + { + surface_internal_preload(context->current_rt, SRGB_RGB); + } + + IWineD3DSurface_ModifyLocation(context->current_rt, SFLAG_INDRAWABLE, FALSE); + + device->isInDraw = oldInDraw; + } + } + + context->draw_buffer_dirty = TRUE; + context->current_rt = target; +} + /***************************************************************************** * context_acquire * @@ -2160,6 +2162,7 @@ struct wined3d_context *context_acquire(IWineD3DDeviceImpl *device, IWineD3DSurf TRACE("device %p, target %p, usage %#x.\n", device, target, usage); context = FindContext(device, target); + context_setup_target(device, context, target); context_enter(context); if (!context->valid) return context;
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Alexandre Julliard