1 files changed, 0 insertions, 169 deletions
diff --git a/widget/gonk/HwcUtils.cpp b/widget/gonk/HwcUtils.cpp
deleted file mode 100644
index a8f030f3c..000000000
--- a/widget/gonk/HwcUtils.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright (c) 2013 The Linux Foundation. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <android/log.h>
-#include "HwcUtils.h"
-#include "gfxUtils.h"
-#include "gfx2DGlue.h"
-
-#define LOG_TAG "HwcUtils"
-
-#if (LOG_NDEBUG == 0)
-#define LOGD(args...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, ## args)
-#else
-#define LOGD(args...) ((void)0)
-#endif
-
-#define LOGE(args...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, ## args)
-
-
-namespace mozilla {
-
-/* Utility functions for HwcComposer */
-
-
-
-/* static */ bool
-HwcUtils::PrepareLayerRects(nsIntRect aVisible,
-                            const gfx::Matrix& aLayerTransform,
-                            const gfx::Matrix& aLayerBufferTransform,
-                            nsIntRect aClip, nsIntRect aBufferRect,
-                            bool aYFlipped,
-                            hwc_rect_t* aSourceCrop, hwc_rect_t* aVisibleRegionScreen) {
-
-    gfxMatrix aTransform = gfx::ThebesMatrix(aLayerTransform);
-    gfxRect visibleRect(ThebesRect(aVisible));
-    gfxRect clip(ThebesRect(aClip));
-    gfxRect visibleRectScreen = aTransform.TransformBounds(visibleRect);
-    // |clip| is guaranteed to be integer
-    visibleRectScreen.IntersectRect(visibleRectScreen, clip);
-
-    if (visibleRectScreen.IsEmpty()) {
-        return false;
-    }
-
-    gfxMatrix inverse = gfx::ThebesMatrix(aLayerBufferTransform);
-    inverse.Invert();
-    gfxRect crop = inverse.TransformBounds(visibleRectScreen);
-
-    //clip to buffer size
-    crop.IntersectRect(crop, ThebesRect(aBufferRect));
-    crop.Round();
-
-    if (crop.IsEmpty()) {
-        return false;
-    }
-
-    //propagate buffer clipping back to visible rect
-    gfxMatrix layerBufferTransform = gfx::ThebesMatrix(aLayerBufferTransform);
-    visibleRectScreen = layerBufferTransform.TransformBounds(crop);
-    visibleRectScreen.Round();
-
-    // Map from layer space to buffer space
-    crop -= aBufferRect.TopLeft();
-    if (aYFlipped) {
-        crop.y = aBufferRect.height - (crop.y + crop.height);
-    }
-
-    aSourceCrop->left = crop.x;
-    aSourceCrop->top  = crop.y;
-    aSourceCrop->right  = crop.x + crop.width;
-    aSourceCrop->bottom = crop.y + crop.height;
-
-    aVisibleRegionScreen->left = visibleRectScreen.x;
-    aVisibleRegionScreen->top  = visibleRectScreen.y;
-    aVisibleRegionScreen->right  = visibleRectScreen.x + visibleRectScreen.width;
-    aVisibleRegionScreen->bottom = visibleRectScreen.y + visibleRectScreen.height;
-
-    return true;
-}
-
-/* static */ bool
-HwcUtils::PrepareVisibleRegion(const nsIntRegion& aVisible,
-                               const gfx::Matrix& aLayerTransform,
-                               const gfx::Matrix& aLayerBufferTransform,
-                               nsIntRect aClip, nsIntRect aBufferRect,
-                               RectVector* aVisibleRegionScreen,
-                               bool& aIsVisible) {
-    const float MIN_SRC_WIDTH = 2.f;
-    const float MIN_SRC_HEIGHT = 2.f;
-
-    gfxMatrix layerTransform = gfx::ThebesMatrix(aLayerTransform);
-    gfxMatrix layerBufferTransform = gfx::ThebesMatrix(aLayerBufferTransform);
-    gfxRect bufferRect =
-        layerBufferTransform.TransformBounds(ThebesRect(aBufferRect));
-    gfxMatrix inverse = gfx::ThebesMatrix(aLayerBufferTransform);
-    inverse.Invert();
-    aIsVisible = false;
-
-    for (auto iter = aVisible.RectIter(); !iter.Done(); iter.Next()) {
-        gfxRect screenRect =
-          layerTransform.TransformBounds(ThebesRect(iter.Get()));
-        screenRect.IntersectRect(screenRect, bufferRect);
-        screenRect.IntersectRect(screenRect, ThebesRect(aClip));
-        screenRect.Round();
-        if (screenRect.IsEmpty()) {
-            continue;
-        }
-
-        hwc_rect_t visibleRectScreen;
-        visibleRectScreen.left = screenRect.x;
-        visibleRectScreen.top  = screenRect.y;
-        visibleRectScreen.right  = screenRect.XMost();
-        visibleRectScreen.bottom = screenRect.YMost();
-
-        gfxRect srcCrop = inverse.TransformBounds(screenRect);
-        // When src crop is very small, HWC could not render correctly in some cases.
-        // See Bug 1169093
-        if(srcCrop.Width() < MIN_SRC_WIDTH || srcCrop.Height() < MIN_SRC_HEIGHT) {
-            return false;
-        }
-
-        aVisibleRegionScreen->push_back(visibleRectScreen);
-        aIsVisible = true;
-    }
-
-    return true;
-}
-
-/* static */ bool
-HwcUtils::CalculateClipRect(const gfx::Matrix& transform,
-                            const nsIntRect* aLayerClip,
-                            nsIntRect aParentClip, nsIntRect* aRenderClip) {
-
-    gfxMatrix aTransform = gfx::ThebesMatrix(transform);
-    *aRenderClip = aParentClip;
-
-    if (!aLayerClip) {
-        return true;
-    }
-
-    if (aLayerClip->IsEmpty()) {
-        return false;
-    }
-
-    nsIntRect clip = *aLayerClip;
-
-    gfxRect r = ThebesRect(clip);
-    gfxRect trClip = aTransform.TransformBounds(r);
-    trClip.Round();
-    gfxUtils::GfxRectToIntRect(trClip, &clip);
-
-    aRenderClip->IntersectRect(*aRenderClip, clip);
-    return true;
-}
-
-} // namespace mozilla