mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
355 lines
9.0 KiB
C++
355 lines
9.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ipc/AutoOpenSurface.h"
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#include "mozilla/layers/PLayers.h"
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#include "mozilla/layers/ShadowLayers.h"
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#include "ShadowBufferD3D9.h"
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#include "gfxImageSurface.h"
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#include "gfxWindowsSurface.h"
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#include "gfxWindowsPlatform.h"
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#include "CanvasLayerD3D9.h"
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namespace mozilla {
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namespace layers {
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CanvasLayerD3D9::~CanvasLayerD3D9()
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{
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if (mD3DManager) {
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mD3DManager->deviceManager()->mLayersWithResources.RemoveElement(this);
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}
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}
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void
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CanvasLayerD3D9::Initialize(const Data& aData)
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{
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NS_ASSERTION(mSurface == nullptr, "BasicCanvasLayer::Initialize called twice!");
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if (aData.mDrawTarget) {
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mDrawTarget = aData.mDrawTarget;
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mSurface = gfxPlatform::GetPlatform()->GetThebesSurfaceForDrawTarget(mDrawTarget);
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mNeedsYFlip = false;
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mDataIsPremultiplied = true;
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} else if (aData.mSurface) {
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mSurface = aData.mSurface;
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NS_ASSERTION(aData.mGLContext == nullptr,
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"CanvasLayer can't have both surface and GLContext");
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mNeedsYFlip = false;
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mDataIsPremultiplied = true;
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} else if (aData.mGLContext) {
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NS_ASSERTION(aData.mGLContext->IsOffscreen(), "canvas gl context isn't offscreen");
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mGLContext = aData.mGLContext;
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mDataIsPremultiplied = aData.mGLBufferIsPremultiplied;
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mNeedsYFlip = true;
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} else {
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NS_ERROR("CanvasLayer created without mSurface, mGLContext or mDrawTarget?");
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}
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mBounds.SetRect(0, 0, aData.mSize.width, aData.mSize.height);
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CreateTexture();
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}
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void
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CanvasLayerD3D9::UpdateSurface()
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{
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if (!IsDirty() && mTexture)
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return;
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Painted();
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if (!mTexture) {
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CreateTexture();
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if (!mTexture) {
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NS_WARNING("CanvasLayerD3D9::Updated called but no texture present and creation failed!");
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return;
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}
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}
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if (mGLContext) {
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// WebGL reads entire surface.
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LockTextureRectD3D9 textureLock(mTexture);
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if (!textureLock.HasLock()) {
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NS_WARNING("Failed to lock CanvasLayer texture.");
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return;
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}
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D3DLOCKED_RECT r = textureLock.GetLockRect();
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const bool stridesMatch = r.Pitch == mBounds.width * 4;
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uint8_t *destination;
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if (!stridesMatch) {
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destination = GetTempBlob(mBounds.width * mBounds.height * 4);
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} else {
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DiscardTempBlob();
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destination = (uint8_t*)r.pBits;
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}
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mGLContext->MakeCurrent();
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nsRefPtr<gfxImageSurface> tmpSurface =
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new gfxImageSurface(destination,
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gfxIntSize(mBounds.width, mBounds.height),
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mBounds.width * 4,
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gfxASurface::ImageFormatARGB32);
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mGLContext->ReadScreenIntoImageSurface(tmpSurface);
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tmpSurface = nullptr;
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if (!stridesMatch) {
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for (int y = 0; y < mBounds.height; y++) {
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memcpy((uint8_t*)r.pBits + r.Pitch * y,
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destination + mBounds.width * 4 * y,
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mBounds.width * 4);
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}
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}
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} else {
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RECT r;
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r.left = mBounds.x;
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r.top = mBounds.y;
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r.right = mBounds.XMost();
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r.bottom = mBounds.YMost();
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LockTextureRectD3D9 textureLock(mTexture);
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if (!textureLock.HasLock()) {
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NS_WARNING("Failed to lock CanvasLayer texture.");
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return;
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}
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D3DLOCKED_RECT lockedRect = textureLock.GetLockRect();
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nsRefPtr<gfxImageSurface> sourceSurface;
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if (mSurface->GetType() == gfxASurface::SurfaceTypeWin32) {
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sourceSurface = mSurface->GetAsImageSurface();
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} else if (mSurface->GetType() == gfxASurface::SurfaceTypeImage) {
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sourceSurface = static_cast<gfxImageSurface*>(mSurface.get());
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if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32 &&
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sourceSurface->Format() != gfxASurface::ImageFormatRGB24)
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{
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return;
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}
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} else {
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sourceSurface = new gfxImageSurface(gfxIntSize(mBounds.width, mBounds.height),
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gfxASurface::ImageFormatARGB32);
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nsRefPtr<gfxContext> ctx = new gfxContext(sourceSurface);
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ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
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ctx->SetSource(mSurface);
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ctx->Paint();
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}
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uint8_t *startBits = sourceSurface->Data();
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uint32_t sourceStride = sourceSurface->Stride();
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if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32) {
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mHasAlpha = false;
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} else {
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mHasAlpha = true;
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}
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for (int y = 0; y < mBounds.height; y++) {
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memcpy((uint8_t*)lockedRect.pBits + lockedRect.Pitch * y,
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startBits + sourceStride * y,
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mBounds.width * 4);
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}
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}
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}
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Layer*
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CanvasLayerD3D9::GetLayer()
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{
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return this;
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}
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void
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CanvasLayerD3D9::RenderLayer()
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{
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UpdateSurface();
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if (mD3DManager->CompositingDisabled()) {
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return;
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}
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FireDidTransactionCallback();
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if (!mTexture)
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return;
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/*
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* We flip the Y axis here, note we can only do this because we are in
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* CULL_NONE mode!
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*/
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ShaderConstantRect quad(0, 0, mBounds.width, mBounds.height);
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if (mNeedsYFlip) {
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quad.mHeight = (float)-mBounds.height;
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quad.mY = (float)mBounds.height;
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}
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device()->SetVertexShaderConstantF(CBvLayerQuad, quad, 1);
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SetShaderTransformAndOpacity();
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if (mHasAlpha) {
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mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER, GetMaskLayer());
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} else {
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mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBLAYER, GetMaskLayer());
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}
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if (mFilter == gfxPattern::FILTER_NEAREST) {
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device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
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device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
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}
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if (!mDataIsPremultiplied) {
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device()->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
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device()->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE);
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}
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device()->SetTexture(0, mTexture);
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device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
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if (!mDataIsPremultiplied) {
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device()->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
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device()->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, FALSE);
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}
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if (mFilter == gfxPattern::FILTER_NEAREST) {
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device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
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device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
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}
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}
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void
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CanvasLayerD3D9::CleanResources()
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{
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if (mD3DManager->deviceManager()->HasDynamicTextures()) {
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// In this case we have a texture in POOL_DEFAULT
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mTexture = nullptr;
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}
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}
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void
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CanvasLayerD3D9::LayerManagerDestroyed()
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{
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mD3DManager->deviceManager()->mLayersWithResources.RemoveElement(this);
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mD3DManager = nullptr;
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}
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void
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CanvasLayerD3D9::CreateTexture()
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{
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HRESULT hr;
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if (mD3DManager->deviceManager()->HasDynamicTextures()) {
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hr = device()->CreateTexture(mBounds.width, mBounds.height, 1, D3DUSAGE_DYNAMIC,
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D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT,
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getter_AddRefs(mTexture), NULL);
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} else {
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// D3DPOOL_MANAGED is fine here since we require Dynamic Textures for D3D9Ex
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// devices.
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hr = device()->CreateTexture(mBounds.width, mBounds.height, 1, 0,
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D3DFMT_A8R8G8B8, D3DPOOL_MANAGED,
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getter_AddRefs(mTexture), NULL);
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}
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if (FAILED(hr)) {
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mD3DManager->ReportFailure(NS_LITERAL_CSTRING("CanvasLayerD3D9::CreateTexture() failed"),
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hr);
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return;
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}
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}
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ShadowCanvasLayerD3D9::ShadowCanvasLayerD3D9(LayerManagerD3D9* aManager)
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: ShadowCanvasLayer(aManager, nullptr)
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, LayerD3D9(aManager)
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, mNeedsYFlip(false)
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{
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mImplData = static_cast<LayerD3D9*>(this);
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}
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ShadowCanvasLayerD3D9::~ShadowCanvasLayerD3D9()
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{}
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void
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ShadowCanvasLayerD3D9::Initialize(const Data& aData)
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{
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NS_RUNTIMEABORT("Non-shadow layer API unexpectedly used for shadow layer");
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}
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void
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ShadowCanvasLayerD3D9::Init(bool needYFlip)
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{
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if (!mBuffer) {
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mBuffer = new ShadowBufferD3D9(this);
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}
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mNeedsYFlip = needYFlip;
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}
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void
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ShadowCanvasLayerD3D9::Swap(const CanvasSurface& aNewFront,
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bool needYFlip,
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CanvasSurface* aNewBack)
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{
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NS_ASSERTION(aNewFront.type() == CanvasSurface::TSurfaceDescriptor,
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"ShadowCanvasLayerD3D9::Swap expected CanvasSurface surface");
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AutoOpenSurface surf(OPEN_READ_ONLY, aNewFront);
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if (!mBuffer) {
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Init(needYFlip);
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}
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mBuffer->Upload(surf.Get(), GetVisibleRegion().GetBounds());
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*aNewBack = aNewFront;
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}
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void
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ShadowCanvasLayerD3D9::DestroyFrontBuffer()
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{
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Destroy();
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}
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void
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ShadowCanvasLayerD3D9::Disconnect()
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{
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Destroy();
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}
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void
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ShadowCanvasLayerD3D9::Destroy()
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{
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mBuffer = nullptr;
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}
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void
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ShadowCanvasLayerD3D9::CleanResources()
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{
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Destroy();
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}
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void
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ShadowCanvasLayerD3D9::LayerManagerDestroyed()
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{
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mD3DManager->deviceManager()->mLayersWithResources.RemoveElement(this);
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mD3DManager = nullptr;
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}
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Layer*
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ShadowCanvasLayerD3D9::GetLayer()
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{
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return this;
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}
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void
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ShadowCanvasLayerD3D9::RenderLayer()
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{
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if (!mBuffer || mD3DManager->CompositingDisabled()) {
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return;
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}
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mBuffer->RenderTo(mD3DManager, GetEffectiveVisibleRegion());
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}
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} /* namespace layers */
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} /* namespace mozilla */
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