void
ContainerLayerD3D9::RenderLayer()
{
nsRefPtr<IDirect3DSurface9> previousRenderTarget;
nsRefPtr<IDirect3DTexture9> renderTexture;
float previousRenderTargetOffset[4];
float renderTargetOffset[] = { 0, 0, 0, 0 };
float oldViewMatrix[4][4];
RECT containerD3D9ClipRect;
device()->GetScissorRect(&containerD3D9ClipRect);
// Convert scissor to an nsIntRect. RECT's are exclusive on the bottom and
// right values.
nsIntRect oldScissor(containerD3D9ClipRect.left,
containerD3D9ClipRect.top,
containerD3D9ClipRect.right - containerD3D9ClipRect.left,
containerD3D9ClipRect.bottom - containerD3D9ClipRect.top);
ReadbackProcessor readback;
readback.BuildUpdates(this);
nsIntRect visibleRect = GetEffectiveVisibleRegion().GetBounds();
bool useIntermediate = UseIntermediateSurface();
mSupportsComponentAlphaChildren = false;
if (useIntermediate) {
nsRefPtr<IDirect3DSurface9> renderSurface;
if (!mD3DManager->CompositingDisabled()) {
device()->GetRenderTarget(0, getter_AddRefs(previousRenderTarget));
HRESULT hr = device()->CreateTexture(visibleRect.width, visibleRect.height, 1,
D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT, getter_AddRefs(renderTexture),
nullptr);
if (FAILED(hr)) {
ReportFailure(NS_LITERAL_CSTRING("ContainerLayerD3D9::ContainerRender(): Failed to create texture"),
hr);
return;
}
nsRefPtr<IDirect3DSurface9> renderSurface;
renderTexture->GetSurfaceLevel(0, getter_AddRefs(renderSurface));
device()->SetRenderTarget(0, renderSurface);
}
if (mVisibleRegion.GetNumRects() == 1 &&
(GetContentFlags() & CONTENT_OPAQUE)) {
// don't need a background, we're going to paint all opaque stuff
mSupportsComponentAlphaChildren = true;
} else {
Matrix4x4 transform3D = GetEffectiveTransform();
Matrix transform;
// If we have an opaque ancestor layer, then we can be sure that
// all the pixels we draw into are either opaque already or will be
// covered by something opaque. Otherwise copying up the background is
// not safe.
HRESULT hr = E_FAIL;
if (HasOpaqueAncestorLayer(this) &&
transform3D.Is2D(&transform) && !ThebesMatrix(transform).HasNonIntegerTranslation()) {
// Copy background up from below
RECT dest = { 0, 0, visibleRect.width, visibleRect.height };
RECT src = dest;
::OffsetRect(&src,
visibleRect.x + int32_t(transform._31),
visibleRect.y + int32_t(transform._32));
if (!mD3DManager->CompositingDisabled()) {
hr = device()->
StretchRect(previousRenderTarget, &src, renderSurface, &dest, D3DTEXF_NONE);
}
}
if (hr == S_OK) {
mSupportsComponentAlphaChildren = true;
} else if (!mD3DManager->CompositingDisabled()) {
device()->
Clear(0, 0, D3DCLEAR_TARGET, D3DCOLOR_RGBA(0, 0, 0, 0), 0, 0);
}
}
device()->
GetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
renderTargetOffset[0] = (float)visibleRect.x;
renderTargetOffset[1] = (float)visibleRect.y;
device()->
SetVertexShaderConstantF(CBvRenderTargetOffset, renderTargetOffset, 1);
gfx3DMatrix viewMatrix;
/*
* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
* <1.0, -1.0> bottomright)
*/
viewMatrix._11 = 2.0f / visibleRect.width;
viewMatrix._22 = -2.0f / visibleRect.height;
viewMatrix._41 = -1.0f;
viewMatrix._42 = 1.0f;
device()->
GetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
device()->
SetVertexShaderConstantF(CBmProjection, &viewMatrix._11, 4);
} else {
mSupportsComponentAlphaChildren =
(GetContentFlags() & CONTENT_OPAQUE) ||
(mParent &&
mParent->SupportsComponentAlphaChildren());
}
nsAutoTArray<Layer*, 12> children;
SortChildrenBy3DZOrder(children);
/*
* Render this container's contents.
*/
for (uint32_t i = 0; i < children.Length(); i++) {
LayerD3D9* layerToRender = static_cast<LayerD3D9*>(children.ElementAt(i)->ImplData());
if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty()) {
continue;
}
nsIntRect scissorRect =
RenderTargetPixel::ToUntyped(layerToRender->GetLayer()->CalculateScissorRect(RenderTargetPixel::FromUntyped(oldScissor), nullptr));
if (scissorRect.IsEmpty()) {
continue;
}
RECT d3drect;
d3drect.left = scissorRect.x;
d3drect.top = scissorRect.y;
d3drect.right = scissorRect.x + scissorRect.width;
d3drect.bottom = scissorRect.y + scissorRect.height;
device()->SetScissorRect(&d3drect);
if (layerToRender->GetLayer()->GetType() == TYPE_THEBES) {
static_cast<ThebesLayerD3D9*>(layerToRender)->RenderThebesLayer(&readback);
} else {
layerToRender->RenderLayer();
}
}
if (useIntermediate && !mD3DManager->CompositingDisabled()) {
device()->SetRenderTarget(0, previousRenderTarget);
device()->SetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
device()->SetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(visibleRect.x,
visibleRect.y,
visibleRect.width,
visibleRect.height),
1);
SetShaderTransformAndOpacity();
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER,
GetMaskLayer(),
GetTransform().CanDraw2D());
device()->SetTexture(0, renderTexture);
device()->SetScissorRect(&containerD3D9ClipRect);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
} else {
device()->SetScissorRect(&containerD3D9ClipRect);
}
}
void
ContainerLayerD3D10::RenderLayer()
{
float renderTargetOffset[] = { 0, 0 };
nsIntRect visibleRect = mVisibleRegion.GetBounds();
float opacity = GetEffectiveOpacity();
bool useIntermediate = UseIntermediateSurface();
nsRefPtr<ID3D10RenderTargetView> previousRTView;
nsRefPtr<ID3D10Texture2D> renderTexture;
nsRefPtr<ID3D10RenderTargetView> rtView;
float previousRenderTargetOffset[2];
nsIntSize previousViewportSize;
gfx3DMatrix oldViewMatrix;
if (useIntermediate) {
device()->OMGetRenderTargets(1, getter_AddRefs(previousRTView), NULL);
D3D10_TEXTURE2D_DESC desc;
memset(&desc, 0, sizeof(D3D10_TEXTURE2D_DESC));
desc.ArraySize = 1;
desc.MipLevels = 1;
desc.Width = visibleRect.width;
desc.Height = visibleRect.height;
desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
desc.SampleDesc.Count = 1;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
HRESULT hr;
hr = device()->CreateTexture2D(&desc, NULL, getter_AddRefs(renderTexture));
if (FAILED(hr)) {
LayerManagerD3D10::ReportFailure(NS_LITERAL_CSTRING("Failed to create new texture for ContainerLayerD3D10!"),
hr);
return;
}
hr = device()->CreateRenderTargetView(renderTexture, NULL, getter_AddRefs(rtView));
NS_ASSERTION(SUCCEEDED(hr), "Failed to create render target view for ContainerLayerD3D10!");
effect()->GetVariableByName("vRenderTargetOffset")->
GetRawValue(previousRenderTargetOffset, 0, 8);
previousViewportSize = mD3DManager->GetViewport();
if (mVisibleRegion.GetNumRects() != 1 || !(GetContentFlags() & CONTENT_OPAQUE)) {
const gfx3DMatrix& transform3D = GetEffectiveTransform();
gfxMatrix transform;
// If we have an opaque ancestor layer, then we can be sure that
// all the pixels we draw into are either opaque already or will be
// covered by something opaque. Otherwise copying up the background is
// not safe.
if (mSupportsComponentAlphaChildren) {
bool is2d = transform3D.Is2D(&transform);
NS_ASSERTION(is2d, "Transform should be 2d when mSupportsComponentAlphaChildren.");
// Copy background up from below. This applies any 2D transform that is
// applied to use relative to our parent, and compensates for the offset
// that was applied on our parent's rendering.
D3D10_BOX srcBox;
srcBox.left = std::max<int32_t>(visibleRect.x + int32_t(transform.x0) - int32_t(previousRenderTargetOffset[0]), 0);
srcBox.top = std::max<int32_t>(visibleRect.y + int32_t(transform.y0) - int32_t(previousRenderTargetOffset[1]), 0);
srcBox.right = std::min<int32_t>(srcBox.left + visibleRect.width, previousViewportSize.width);
srcBox.bottom = std::min<int32_t>(srcBox.top + visibleRect.height, previousViewportSize.height);
srcBox.back = 1;
srcBox.front = 0;
nsRefPtr<ID3D10Resource> srcResource;
previousRTView->GetResource(getter_AddRefs(srcResource));
device()->CopySubresourceRegion(renderTexture, 0,
0, 0, 0,
srcResource, 0,
&srcBox);
} else {
float black[] = { 0, 0, 0, 0};
device()->ClearRenderTargetView(rtView, black);
}
}
ID3D10RenderTargetView *rtViewPtr = rtView;
device()->OMSetRenderTargets(1, &rtViewPtr, NULL);
renderTargetOffset[0] = (float)visibleRect.x;
renderTargetOffset[1] = (float)visibleRect.y;
effect()->GetVariableByName("vRenderTargetOffset")->
SetRawValue(renderTargetOffset, 0, 8);
mD3DManager->SetViewport(nsIntSize(visibleRect.Size()));
}
D3D10_RECT oldD3D10Scissor;
UINT numRects = 1;
device()->RSGetScissorRects(&numRects, &oldD3D10Scissor);
// Convert scissor to an nsIntRect. D3D10_RECT's are exclusive
// on the bottom and right values.
nsIntRect oldScissor(oldD3D10Scissor.left,
oldD3D10Scissor.top,
oldD3D10Scissor.right - oldD3D10Scissor.left,
oldD3D10Scissor.bottom - oldD3D10Scissor.top);
nsAutoTArray<Layer*, 12> children;
SortChildrenBy3DZOrder(children);
/*
* Render this container's contents.
*/
for (uint32_t i = 0; i < children.Length(); i++) {
LayerD3D10* layerToRender = static_cast<LayerD3D10*>(children.ElementAt(i)->ImplData());
if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty()) {
continue;
}
nsIntRect scissorRect =
layerToRender->GetLayer()->CalculateScissorRect(oldScissor, nullptr);
if (scissorRect.IsEmpty()) {
continue;
}
D3D10_RECT d3drect;
d3drect.left = scissorRect.x;
d3drect.top = scissorRect.y;
d3drect.right = scissorRect.x + scissorRect.width;
d3drect.bottom = scissorRect.y + scissorRect.height;
device()->RSSetScissorRects(1, &d3drect);
layerToRender->RenderLayer();
}
device()->RSSetScissorRects(1, &oldD3D10Scissor);
if (useIntermediate) {
mD3DManager->SetViewport(previousViewportSize);
ID3D10RenderTargetView *rtView = previousRTView;
device()->OMSetRenderTargets(1, &rtView, NULL);
effect()->GetVariableByName("vRenderTargetOffset")->
SetRawValue(previousRenderTargetOffset, 0, 8);
SetEffectTransformAndOpacity();
ID3D10EffectTechnique *technique;
if (LoadMaskTexture()) {
if (GetTransform().CanDraw2D()) {
technique = SelectShader(SHADER_RGBA | SHADER_PREMUL | SHADER_MASK);
} else {
technique = SelectShader(SHADER_RGBA | SHADER_PREMUL | SHADER_MASK_3D);
}
} else {
technique = SelectShader(SHADER_RGBA | SHADER_PREMUL | SHADER_NO_MASK);
}
effect()->GetVariableByName("vLayerQuad")->AsVector()->SetFloatVector(
ShaderConstantRectD3D10(
(float)visibleRect.x,
(float)visibleRect.y,
(float)visibleRect.width,
(float)visibleRect.height)
);
technique->GetPassByIndex(0)->Apply(0);
ID3D10ShaderResourceView *view;
device()->CreateShaderResourceView(renderTexture, NULL, &view);
device()->PSSetShaderResources(0, 1, &view);
device()->Draw(4, 0);
view->Release();
}
}
void
ContainerLayerOGL::RenderLayer(int aPreviousFrameBuffer,
const nsIntPoint& aOffset)
{
/**
* Setup our temporary texture for rendering the contents of this container.
*/
GLuint containerSurface;
GLuint frameBuffer;
nsIntPoint childOffset(aOffset);
nsIntRect visibleRect = GetEffectiveVisibleRegion().GetBounds();
nsIntRect cachedScissor = gl()->ScissorRect();
gl()->PushScissorRect();
mSupportsComponentAlphaChildren = false;
float opacity = GetEffectiveOpacity();
const gfx3DMatrix& transform = GetEffectiveTransform();
bool needsFramebuffer = UseIntermediateSurface();
if (needsFramebuffer) {
nsIntRect framebufferRect = visibleRect;
// we're about to create a framebuffer backed by textures to use as an intermediate
// surface. What to do if its size (as given by framebufferRect) would exceed the
// maximum texture size supported by the GL? The present code chooses the compromise
// of just clamping the framebuffer's size to the max supported size.
// This gives us a lower resolution rendering of the intermediate surface (children layers).
// See bug 827170 for a discussion.
GLint maxTexSize;
gl()->fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, &maxTexSize);
framebufferRect.width = std::min(framebufferRect.width, maxTexSize);
framebufferRect.height = std::min(framebufferRect.height, maxTexSize);
LayerManagerOGL::InitMode mode = LayerManagerOGL::InitModeClear;
if (GetEffectiveVisibleRegion().GetNumRects() == 1 &&
(GetContentFlags() & Layer::CONTENT_OPAQUE))
{
// don't need a background, we're going to paint all opaque stuff
mSupportsComponentAlphaChildren = true;
mode = LayerManagerOGL::InitModeNone;
} else {
const gfx3DMatrix& transform3D = GetEffectiveTransform();
gfxMatrix transform;
// If we have an opaque ancestor layer, then we can be sure that
// all the pixels we draw into are either opaque already or will be
// covered by something opaque. Otherwise copying up the background is
// not safe.
if (HasOpaqueAncestorLayer(this) &&
transform3D.Is2D(&transform) && !transform.HasNonIntegerTranslation()) {
mode = gfxPlatform::ComponentAlphaEnabled() ?
LayerManagerOGL::InitModeCopy :
LayerManagerOGL::InitModeClear;
framebufferRect.x += transform.x0;
framebufferRect.y += transform.y0;
mSupportsComponentAlphaChildren = gfxPlatform::ComponentAlphaEnabled();
}
}
gl()->PushViewportRect();
framebufferRect -= childOffset;
if (!mOGLManager->CompositingDisabled()) {
if (!mOGLManager->CreateFBOWithTexture(framebufferRect,
mode,
aPreviousFrameBuffer,
&frameBuffer,
&containerSurface)) {
gl()->PopViewportRect();
gl()->PopScissorRect();
gl()->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, aPreviousFrameBuffer);
return;
}
}
childOffset.x = visibleRect.x;
childOffset.y = visibleRect.y;
} else {
frameBuffer = aPreviousFrameBuffer;
mSupportsComponentAlphaChildren = (GetContentFlags() & Layer::CONTENT_OPAQUE) ||
(GetParent() && GetParent()->SupportsComponentAlphaChildren());
}
nsAutoTArray<Layer*, 12> children;
SortChildrenBy3DZOrder(children);
/**
* Render this container's contents.
*/
for (uint32_t i = 0; i < children.Length(); i++) {
LayerOGL* layerToRender = static_cast<LayerOGL*>(children.ElementAt(i)->ImplData());
if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty()) {
continue;
}
nsIntRect scissorRect = layerToRender->GetLayer()->
CalculateScissorRect(cachedScissor, &mOGLManager->GetWorldTransform());
if (scissorRect.IsEmpty()) {
continue;
}
gl()->fScissor(scissorRect.x,
scissorRect.y,
scissorRect.width,
scissorRect.height);
layerToRender->RenderLayer(frameBuffer, childOffset);
gl()->MakeCurrent();
}
if (needsFramebuffer) {
// Unbind the current framebuffer and rebind the previous one.
#ifdef MOZ_DUMP_PAINTING
if (gfxUtils::sDumpPainting) {
nsRefPtr<gfxImageSurface> surf =
gl()->GetTexImage(containerSurface, true, mOGLManager->GetFBOTextureFormat());
WriteSnapshotToDumpFile(this, surf);
}
#endif
// Restore the viewport
gl()->PopViewportRect();
nsIntRect viewport = gl()->ViewportRect();
mOGLManager->SetupPipeline(viewport.width, viewport.height,
LayerManagerOGL::ApplyWorldTransform);
gl()->PopScissorRect();
if (!mOGLManager->CompositingDisabled()) {
gl()->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, aPreviousFrameBuffer);
gl()->fDeleteFramebuffers(1, &frameBuffer);
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(mOGLManager->FBOTextureTarget(), containerSurface);
MaskType maskType = MaskNone;
if (GetMaskLayer()) {
if (!GetTransform().CanDraw2D()) {
maskType = Mask3d;
} else {
maskType = Mask2d;
}
}
ShaderProgramOGL *rgb =
mOGLManager->GetFBOLayerProgram(maskType);
rgb->Activate();
rgb->SetLayerQuadRect(visibleRect);
rgb->SetLayerTransform(transform);
rgb->SetTextureTransform(gfx3DMatrix());
rgb->SetLayerOpacity(opacity);
rgb->SetRenderOffset(aOffset);
rgb->SetTextureUnit(0);
rgb->LoadMask(GetMaskLayer());
if (rgb->GetTexCoordMultiplierUniformLocation() != -1) {
// 2DRect case, get the multiplier right for a sampler2DRect
rgb->SetTexCoordMultiplier(visibleRect.width, visibleRect.height);
}
// Drawing is always flipped, but when copying between surfaces we want to avoid
// this. Pass true for the flip parameter to introduce a second flip
// that cancels the other one out.
mOGLManager->BindAndDrawQuad(rgb, true);
// Clean up resources. This also unbinds the texture.
gl()->fDeleteTextures(1, &containerSurface);
}
} else {
gl()->PopScissorRect();
}
}
