Delete old rendering pipeline

fixes: 30002246

Change-Id: I45df0e924708526cee045b14c291bd23aa1a92db
diff --git a/libs/hwui/Layer.cpp b/libs/hwui/Layer.cpp
index cdbbbab..8c797d5e 100644
--- a/libs/hwui/Layer.cpp
+++ b/libs/hwui/Layer.cpp
@@ -17,9 +17,6 @@
 #include "Layer.h"
 
 #include "Caches.h"
-#include "DeferredDisplayList.h"
-#include "LayerRenderer.h"
-#include "OpenGLRenderer.h"
 #include "RenderNode.h"
 #include "renderstate/RenderState.h"
 #include "utils/TraceUtils.h"
@@ -35,13 +32,12 @@
 namespace android {
 namespace uirenderer {
 
-Layer::Layer(Type layerType, RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight)
+Layer::Layer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight)
         : GpuMemoryTracker(GpuObjectType::Layer)
         , state(State::Uncached)
         , caches(Caches::getInstance())
         , renderState(renderState)
-        , texture(caches)
-        , type(layerType) {
+        , texture(caches) {
     // TODO: This is a violation of Android's typical ref counting, but it
     // preserves the old inc/dec ref locations. This should be changed...
     incStrong(nullptr);
@@ -55,8 +51,7 @@
     renderState.unregisterLayer(this);
     SkSafeUnref(colorFilter);
 
-    if (stencil || fbo || texture.mId) {
-        removeFbo();
+    if (texture.mId) {
         texture.deleteTexture();
     }
 
@@ -64,116 +59,9 @@
 }
 
 void Layer::onGlContextLost() {
-    removeFbo();
     texture.deleteTexture();
 }
 
-uint32_t Layer::computeIdealWidth(uint32_t layerWidth) {
-    return uint32_t(ceilf(layerWidth / float(LAYER_SIZE)) * LAYER_SIZE);
-}
-
-uint32_t Layer::computeIdealHeight(uint32_t layerHeight) {
-    return uint32_t(ceilf(layerHeight / float(LAYER_SIZE)) * LAYER_SIZE);
-}
-
-void Layer::requireRenderer() {
-    if (!renderer) {
-        renderer.reset(new LayerRenderer(renderState, this));
-        renderer->initProperties();
-    }
-}
-
-void Layer::updateLightPosFromRenderer(const OpenGLRenderer& rootRenderer) {
-    if (renderer && rendererLightPosDirty) {
-        // re-init renderer's light position, based upon last cached location in window
-        Vector3 lightPos = rootRenderer.getLightCenter();
-        cachedInvTransformInWindow.mapPoint3d(lightPos);
-        renderer->initLight(rootRenderer.getLightRadius(),
-                rootRenderer.getAmbientShadowAlpha(),
-                rootRenderer.getSpotShadowAlpha());
-        renderer->setLightCenter(lightPos);
-        rendererLightPosDirty = false;
-    }
-}
-
-bool Layer::resize(const uint32_t width, const uint32_t height) {
-    uint32_t desiredWidth = computeIdealWidth(width);
-    uint32_t desiredHeight = computeIdealWidth(height);
-
-    if (desiredWidth <= getWidth() && desiredHeight <= getHeight()) {
-        return true;
-    }
-
-    ATRACE_NAME("resizeLayer");
-
-    const uint32_t maxTextureSize = caches.maxTextureSize;
-    if (desiredWidth > maxTextureSize || desiredHeight > maxTextureSize) {
-        ALOGW("Layer exceeds max. dimensions supported by the GPU (%dx%d, max=%dx%d)",
-                desiredWidth, desiredHeight, maxTextureSize, maxTextureSize);
-        return false;
-    }
-
-    uint32_t oldWidth = getWidth();
-    uint32_t oldHeight = getHeight();
-
-    setSize(desiredWidth, desiredHeight);
-
-    if (fbo) {
-        caches.textureState().activateTexture(0);
-        bindTexture();
-        allocateTexture();
-
-        if (glGetError() != GL_NO_ERROR) {
-            setSize(oldWidth, oldHeight);
-            return false;
-        }
-    }
-
-    if (stencil) {
-        stencil->bind();
-        stencil->resize(desiredWidth, desiredHeight);
-
-        if (glGetError() != GL_NO_ERROR) {
-            setSize(oldWidth, oldHeight);
-            return false;
-        }
-    }
-
-    return true;
-}
-
-void Layer::removeFbo(bool flush) {
-    if (stencil) {
-        GLuint previousFbo = renderState.getFramebuffer();
-        renderState.bindFramebuffer(fbo);
-        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0);
-        renderState.bindFramebuffer(previousFbo);
-
-        caches.renderBufferCache.put(stencil);
-        stencil = nullptr;
-    }
-
-    if (fbo) {
-        if (flush) LayerRenderer::flushLayer(renderState, this);
-        renderState.deleteFramebuffer(fbo);
-        fbo = 0;
-    }
-}
-
-void Layer::updateDeferred(RenderNode* renderNode, int left, int top, int right, int bottom) {
-    requireRenderer();
-    this->renderNode = renderNode;
-    const Rect r(left, top, right, bottom);
-    dirtyRect.unionWith(r);
-    deferredUpdateScheduled = true;
-}
-
-void Layer::setPaint(const SkPaint* paint) {
-    alpha = PaintUtils::getAlphaDirect(paint);
-    mode = PaintUtils::getXfermodeDirect(paint);
-    setColorFilter((paint) ? paint->getColorFilter() : nullptr);
-}
-
 void Layer::setColorFilter(SkColorFilter* filter) {
     SkRefCnt_SafeAssign(colorFilter, filter);
 }
@@ -184,12 +72,6 @@
     }
 }
 
-void Layer::bindStencilRenderBuffer() const {
-    if (stencil) {
-        stencil->bind();
-    }
-}
-
 void Layer::generateTexture() {
     if (!texture.mId) {
         glGenTextures(1, &texture.mId);
@@ -206,86 +88,6 @@
     texture.mId = 0;
 }
 
-void Layer::allocateTexture() {
-#if DEBUG_LAYERS
-    ALOGD("  Allocate layer: %dx%d", getWidth(), getHeight());
-#endif
-    if (texture.mId) {
-        texture.updateSize(getWidth(), getHeight(), GL_RGBA);
-        glTexImage2D(renderTarget, 0, GL_RGBA, getWidth(), getHeight(), 0,
-                GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
-    }
-}
-
-void Layer::defer(const OpenGLRenderer& rootRenderer) {
-    ATRACE_LAYER_WORK("Optimize");
-
-    updateLightPosFromRenderer(rootRenderer);
-    const float width = layer.getWidth();
-    const float height = layer.getHeight();
-
-    if (dirtyRect.isEmpty() || (dirtyRect.left <= 0 && dirtyRect.top <= 0 &&
-            dirtyRect.right >= width && dirtyRect.bottom >= height)) {
-        dirtyRect.set(0, 0, width, height);
-    }
-
-    deferredList.reset(new DeferredDisplayList(dirtyRect));
-
-    DeferStateStruct deferredState(*deferredList, *renderer,
-            RenderNode::kReplayFlag_ClipChildren);
-
-    renderer->setupFrameState(width, height, dirtyRect.left, dirtyRect.top,
-            dirtyRect.right, dirtyRect.bottom, !isBlend());
-
-    renderNode->computeOrdering();
-    renderNode->defer(deferredState, 0);
-
-    deferredUpdateScheduled = false;
-}
-
-void Layer::cancelDefer() {
-    renderNode = nullptr;
-    deferredUpdateScheduled = false;
-    deferredList.reset(nullptr);
-}
-
-void Layer::flush() {
-    // renderer is checked as layer may be destroyed/put in layer cache with flush scheduled
-    if (deferredList && renderer) {
-        ATRACE_LAYER_WORK("Issue");
-        renderer->startMark((renderNode.get() != nullptr) ? renderNode->getName() : "Layer");
-
-        renderer->prepareDirty(layer.getWidth(), layer.getHeight(),
-                dirtyRect.left, dirtyRect.top, dirtyRect.right, dirtyRect.bottom, !isBlend());
-
-        deferredList->flush(*renderer, dirtyRect);
-
-        renderer->finish();
-
-        dirtyRect.setEmpty();
-        renderNode = nullptr;
-
-        renderer->endMark();
-    }
-}
-
-void Layer::render(const OpenGLRenderer& rootRenderer) {
-    ATRACE_LAYER_WORK("Direct-Issue");
-
-    updateLightPosFromRenderer(rootRenderer);
-    renderer->prepareDirty(layer.getWidth(), layer.getHeight(),
-            dirtyRect.left, dirtyRect.top, dirtyRect.right, dirtyRect.bottom, !isBlend());
-
-    renderer->drawRenderNode(renderNode.get(), dirtyRect, RenderNode::kReplayFlag_ClipChildren);
-
-    renderer->finish();
-
-    dirtyRect.setEmpty();
-
-    deferredUpdateScheduled = false;
-    renderNode = nullptr;
-}
-
 void Layer::postDecStrong() {
     renderState.postDecStrong(this);
 }