void
CanvasClientSharedSurface::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
if (mFront) {
mPrevFront = mFront;
mFront = nullptr;
}
auto gl = aLayer->mGLContext;
gl->MakeCurrent();
if (aLayer->mGLFrontbuffer) {
mFront = CloneSurface(aLayer->mGLFrontbuffer.get(), aLayer->mFactory.get());
if (mFront)
mFront->Surf()->Fence();
} else {
mFront = gl->Screen()->Front();
if (!mFront)
return;
}
MOZ_ASSERT(mFront);
// Alright, now sort out the IPC goop.
SharedSurface* surf = mFront->Surf();
auto forwarder = GetForwarder();
auto flags = GetTextureFlags() | TextureFlags::IMMUTABLE;
// Get a TexClient from our surf.
RefPtr<TextureClient> newTex = TexClientFromShSurf(surf, flags);
if (!newTex) {
auto manager = aLayer->ClientManager();
auto shadowForwarder = manager->AsShadowForwarder();
auto layersBackend = shadowForwarder->GetCompositorBackendType();
newTex = TexClientFromReadback(surf, forwarder, flags, layersBackend);
}
MOZ_ASSERT(newTex);
// Add the new TexClient.
MOZ_ALWAYS_TRUE( AddTextureClient(newTex) );
// Remove the old TexClient.
if (mFrontTex) {
// remove old buffer from CompositableHost
RefPtr<AsyncTransactionTracker> tracker = new RemoveTextureFromCompositableTracker();
// Hold TextureClient until transaction complete.
tracker->SetTextureClient(mFrontTex);
mFrontTex->SetRemoveFromCompositableTracker(tracker);
// RemoveTextureFromCompositableAsync() expects CompositorChild's presence.
GetForwarder()->RemoveTextureFromCompositableAsync(tracker, this, mFrontTex);
mFrontTex = nullptr;
}
// Use the new TexClient.
mFrontTex = newTex;
forwarder->UpdatedTexture(this, mFrontTex, nullptr);
forwarder->UseTexture(this, mFrontTex);
}
void
CanvasClientSharedSurface::UpdateRenderer(gfx::IntSize aSize, Renderer& aRenderer)
{
GLContext* gl = nullptr;
ClientCanvasLayer* layer = nullptr;
AsyncCanvasRenderer* asyncRenderer = nullptr;
if (aRenderer.constructed<ClientCanvasLayer*>()) {
layer = aRenderer.ref<ClientCanvasLayer*>();
gl = layer->mGLContext;
} else {
asyncRenderer = aRenderer.ref<AsyncCanvasRenderer*>();
gl = asyncRenderer->mGLContext;
}
gl->MakeCurrent();
RefPtr<TextureClient> newFront;
if (layer && layer->mGLFrontbuffer) {
mShSurfClient = CloneSurface(layer->mGLFrontbuffer.get(), layer->mFactory.get());
if (!mShSurfClient) {
gfxCriticalError() << "Invalid canvas front buffer";
return;
}
} else {
mShSurfClient = gl->Screen()->Front();
if (!mShSurfClient) {
return;
}
}
MOZ_ASSERT(mShSurfClient);
newFront = mShSurfClient;
SharedSurface* surf = mShSurfClient->Surf();
// Readback if needed.
mReadbackClient = nullptr;
auto forwarder = GetForwarder();
bool needsReadback = (surf->mType == SharedSurfaceType::Basic);
if (needsReadback) {
TextureFlags flags = TextureFlags::IMMUTABLE;
CompositableForwarder* shadowForwarder = nullptr;
if (layer) {
flags |= layer->Flags();
shadowForwarder = layer->ClientManager()->AsShadowForwarder();
} else {
MOZ_ASSERT(asyncRenderer);
flags |= mTextureFlags;
shadowForwarder = GetForwarder();
}
auto layersBackend = shadowForwarder->GetCompositorBackendType();
mReadbackClient = TexClientFromReadback(surf, forwarder, flags, layersBackend);
if (asyncRenderer) {
// Above codes will readback the GLContext to mReadbackClient
// in order to send frame to compositor. We copy from this
// TextureClient directly by calling CopyFromTextureClient().
// Therefore, if main-thread want the content of GLContext,
// it don't have to readback it again.
asyncRenderer->CopyFromTextureClient(mReadbackClient);
}
newFront = mReadbackClient;
} else {
mReadbackClient = nullptr;
}
MOZ_ASSERT(newFront);
if (!newFront) {
// May happen in a release build in case of memory pressure.
gfxCriticalError() << "Failed to allocate a TextureClient for SharedSurface Canvas. Size: " << aSize;
return;
}
mNewFront = newFront;
}
void
CanvasClientSharedSurface::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
auto gl = aLayer->mGLContext;
gl->MakeCurrent();
RefPtr<TextureClient> newFront;
if (aLayer->mGLFrontbuffer) {
mShSurfClient = CloneSurface(aLayer->mGLFrontbuffer.get(), aLayer->mFactory.get());
if (!mShSurfClient) {
gfxCriticalError() << "Invalid canvas front buffer";
return;
}
} else {
mShSurfClient = gl->Screen()->Front();
if (!mShSurfClient) {
return;
}
}
MOZ_ASSERT(mShSurfClient);
newFront = mShSurfClient;
SharedSurface* surf = mShSurfClient->Surf();
// Readback if needed.
mReadbackClient = nullptr;
auto forwarder = GetForwarder();
bool needsReadback = (surf->mType == SharedSurfaceType::Basic);
if (needsReadback) {
TextureFlags flags = aLayer->Flags() |
TextureFlags::IMMUTABLE;
auto manager = aLayer->ClientManager();
auto shadowForwarder = manager->AsShadowForwarder();
auto layersBackend = shadowForwarder->GetCompositorBackendType();
mReadbackClient = TexClientFromReadback(surf, forwarder, flags, layersBackend);
newFront = mReadbackClient;
} else {
mReadbackClient = nullptr;
}
MOZ_ASSERT(newFront);
if (!newFront) {
// May happen in a release build in case of memory pressure.
gfxCriticalError() << "Failed to allocate a TextureClient for SharedSurface Canvas. Size: " << aSize;
return;
}
if (mFront) {
if (mFront->GetFlags() & TextureFlags::RECYCLE) {
mFront->WaitForCompositorRecycle();
}
}
mFront = newFront;
// Add the new TexClient.
MOZ_ALWAYS_TRUE( AddTextureClient(mFront) );
forwarder->UseTexture(this, mFront);
}
void Fur( mapDrawSurface_t *ds )
{
int i, j, k, numLayers;
float offset, fade, a;
mapDrawSurface_t *fur;
bspDrawVert_t *dv;
/* dummy check */
if( ds == NULL || ds->fur || ds->shaderInfo->furNumLayers < 1 )
return;
/* get basic info */
numLayers = ds->shaderInfo->furNumLayers;
offset = ds->shaderInfo->furOffset;
fade = ds->shaderInfo->furFade * 255.0f;
/* debug code */
//% Sys_FPrintf( SYS_VRB, "Fur(): layers: %d offset: %f fade: %f %s\n",
//% numLayers, offset, fade, ds->shaderInfo->shader );
/* initial offset */
for( j = 0; j < ds->numVerts; j++ )
{
/* get surface vert */
dv = &ds->verts[ j ];
/* offset is scaled by original vertex alpha */
a = (float) dv->color[ 0 ][ 3 ] / 255.0;
/* offset it */
VectorMA( dv->xyz, (offset * a), dv->normal, dv->xyz );
}
/* wash, rinse, repeat */
for( i = 1; i < numLayers; i++ )
{
/* clone the surface */
fur = CloneSurface( ds, ds->shaderInfo );
if( fur == NULL )
return;
/* set it to fur */
fur->fur = qtrue;
/* walk the verts */
for( j = 0; j < fur->numVerts; j++ )
{
/* get surface vert */
dv = &ds->verts[ j ];
/* offset is scaled by original vertex alpha */
a = (float) dv->color[ 0 ][ 3 ] / 255.0;
/* get fur vert */
dv = &fur->verts[ j ];
/* offset it */
VectorMA( dv->xyz, (offset * a * i), dv->normal, dv->xyz );
/* fade alpha */
for( k = 0; k < MAX_LIGHTMAPS; k++ )
{
a = (float) dv->color[ k ][ 3 ] - fade;
if( a > 255.0f )
dv->color[ k ][ 3 ] = 255;
else if( a < 0 )
dv->color[ k ][ 3 ] = 0;
else
dv->color[ k ][ 3 ] = a;
}
}
}
}
