mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
8854ffd842
Previously we adjusted the vertex locations directly, now they have an implicit adjustment that happens in the vertex shader. This should let us ignore the pixel center differences between opengl/d3d9/d3d10.
266 lines
8.6 KiB
C++
266 lines
8.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bas Schouten <bschouten@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "ContainerLayerD3D9.h"
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namespace mozilla {
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namespace layers {
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ContainerLayerD3D9::ContainerLayerD3D9(LayerManagerD3D9 *aManager)
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: ContainerLayer(aManager, NULL)
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, LayerD3D9(aManager)
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{
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mImplData = static_cast<LayerD3D9*>(this);
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}
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ContainerLayerD3D9::~ContainerLayerD3D9()
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{
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while (mFirstChild) {
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RemoveChild(mFirstChild);
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}
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}
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void
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ContainerLayerD3D9::InsertAfter(Layer* aChild, Layer* aAfter)
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{
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aChild->SetParent(this);
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if (!aAfter) {
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Layer *oldFirstChild = GetFirstChild();
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mFirstChild = aChild;
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aChild->SetNextSibling(oldFirstChild);
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aChild->SetPrevSibling(nsnull);
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if (oldFirstChild) {
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oldFirstChild->SetPrevSibling(aChild);
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}
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NS_ADDREF(aChild);
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return;
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}
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for (Layer *child = GetFirstChild();
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child; child = child->GetNextSibling()) {
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if (aAfter == child) {
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Layer *oldNextSibling = child->GetNextSibling();
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child->SetNextSibling(aChild);
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aChild->SetNextSibling(oldNextSibling);
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if (oldNextSibling) {
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oldNextSibling->SetPrevSibling(aChild);
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}
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aChild->SetPrevSibling(child);
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NS_ADDREF(aChild);
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return;
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}
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}
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NS_WARNING("Failed to find aAfter layer!");
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}
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void
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ContainerLayerD3D9::RemoveChild(Layer *aChild)
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{
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if (GetFirstChild() == aChild) {
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mFirstChild = GetFirstChild()->GetNextSibling();
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if (mFirstChild) {
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mFirstChild->SetPrevSibling(nsnull);
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}
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aChild->SetNextSibling(nsnull);
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aChild->SetPrevSibling(nsnull);
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aChild->SetParent(nsnull);
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NS_RELEASE(aChild);
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return;
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}
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Layer *lastChild = nsnull;
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for (Layer *child = GetFirstChild(); child;
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child = child->GetNextSibling()) {
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if (child == aChild) {
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// We're sure this is not our first child. So lastChild != NULL.
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lastChild->SetNextSibling(child->GetNextSibling());
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if (child->GetNextSibling()) {
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child->GetNextSibling()->SetPrevSibling(lastChild);
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}
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child->SetNextSibling(nsnull);
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child->SetPrevSibling(nsnull);
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child->SetParent(nsnull);
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NS_RELEASE(aChild);
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return;
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}
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lastChild = child;
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}
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}
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Layer*
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ContainerLayerD3D9::GetLayer()
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{
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return this;
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}
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LayerD3D9*
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ContainerLayerD3D9::GetFirstChildD3D9()
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{
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if (!mFirstChild) {
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return nsnull;
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}
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return static_cast<LayerD3D9*>(mFirstChild->ImplData());
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}
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void
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ContainerLayerD3D9::RenderLayer()
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{
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float opacity = GetOpacity();
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nsRefPtr<IDirect3DSurface9> previousRenderTarget;
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nsRefPtr<IDirect3DTexture9> renderTexture;
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float previousRenderTargetOffset[4];
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float renderTargetOffset[] = { 0, 0, 0, 0 };
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float oldViewMatrix[4][4];
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nsIntRect visibleRect = mVisibleRegion.GetBounds();
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PRBool useIntermediate = (opacity != 1.0 || !mTransform.IsIdentity());
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if (useIntermediate) {
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device()->GetRenderTarget(0, getter_AddRefs(previousRenderTarget));
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device()->CreateTexture(visibleRect.width, visibleRect.height, 1,
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D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
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D3DPOOL_DEFAULT, getter_AddRefs(renderTexture),
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NULL);
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nsRefPtr<IDirect3DSurface9> renderSurface;
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renderTexture->GetSurfaceLevel(0, getter_AddRefs(renderSurface));
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device()->SetRenderTarget(0, renderSurface);
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device()->GetVertexShaderConstantF(12, previousRenderTargetOffset, 1);
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renderTargetOffset[0] = (float)visibleRect.x;
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renderTargetOffset[1] = (float)visibleRect.y;
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device()->SetVertexShaderConstantF(12, renderTargetOffset, 1);
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float viewMatrix[4][4];
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/*
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* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
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* <1.0, -1.0> bottomright)
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*/
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memset(&viewMatrix, 0, sizeof(viewMatrix));
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viewMatrix[0][0] = 2.0f / visibleRect.width;
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viewMatrix[1][1] = -2.0f / visibleRect.height;
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viewMatrix[2][2] = 1.0f;
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viewMatrix[3][0] = -1.0f;
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viewMatrix[3][1] = 1.0f;
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viewMatrix[3][3] = 1.0f;
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device()->GetVertexShaderConstantF(8, &oldViewMatrix[0][0], 4);
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device()->SetVertexShaderConstantF(8, &viewMatrix[0][0], 4);
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}
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/*
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* Render this container's contents.
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*/
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LayerD3D9 *layerToRender = GetFirstChildD3D9();
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while (layerToRender) {
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const nsIntRect *clipRect = layerToRender->GetLayer()->GetClipRect();
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RECT r;
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if (clipRect) {
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r.left = (LONG)(clipRect->x - renderTargetOffset[0]);
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r.top = (LONG)(clipRect->y - renderTargetOffset[1]);
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r.right = (LONG)(clipRect->x - renderTargetOffset[0] + clipRect->width);
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r.bottom = (LONG)(clipRect->y - renderTargetOffset[1] + clipRect->height);
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} else {
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if (useIntermediate) {
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r.left = 0;
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r.top = 0;
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} else {
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r.left = visibleRect.x;
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r.top = visibleRect.y;
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}
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r.right = r.left + visibleRect.width;
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r.bottom = r.top + visibleRect.height;
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}
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nsRefPtr<IDirect3DSurface9> renderSurface;
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device()->GetRenderTarget(0, getter_AddRefs(renderSurface));
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D3DSURFACE_DESC desc;
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renderSurface->GetDesc(&desc);
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r.left = NS_MAX<LONG>(0, r.left);
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r.top = NS_MAX<LONG>(0, r.top);
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r.bottom = NS_MIN<LONG>(r.bottom, desc.Height);
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r.right = NS_MIN<LONG>(r.right, desc.Width);
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device()->SetScissorRect(&r);
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layerToRender->RenderLayer();
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Layer *nextSibling = layerToRender->GetLayer()->GetNextSibling();
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layerToRender = nextSibling ? static_cast<LayerD3D9*>(nextSibling->
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ImplData())
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: nsnull;
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}
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if (useIntermediate) {
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device()->SetRenderTarget(0, previousRenderTarget);
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device()->SetVertexShaderConstantF(12, previousRenderTargetOffset, 1);
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device()->SetVertexShaderConstantF(8, &oldViewMatrix[0][0], 4);
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float quadTransform[4][4];
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/*
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* Matrix to transform the <0.0,0.0>, <1.0,1.0> quad to the correct position
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* and size. To get pixel perfect mapping we offset the quad half a pixel
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* to the top-left.
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*
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* See: http://msdn.microsoft.com/en-us/library/bb219690%28VS.85%29.aspx
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*/
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memset(&quadTransform, 0, sizeof(quadTransform));
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quadTransform[0][0] = (float)visibleRect.width;
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quadTransform[1][1] = (float)visibleRect.height;
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quadTransform[2][2] = 1.0f;
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quadTransform[3][0] = (float)visibleRect.x;
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quadTransform[3][1] = (float)visibleRect.y;
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quadTransform[3][3] = 1.0f;
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device()->SetVertexShaderConstantF(0, &quadTransform[0][0], 4);
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device()->SetVertexShaderConstantF(4, &mTransform._11, 4);
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float opacityVector[4];
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/*
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* We always upload a 4 component float, but the shader will use only the
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* first component since it's declared as a 'float'.
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*/
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opacityVector[0] = opacity;
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device()->SetPixelShaderConstantF(0, opacityVector, 1);
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mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBLAYER);
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device()->SetTexture(0, renderTexture);
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device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
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}
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}
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} /* layers */
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} /* mozilla */
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