Merge "Move BakedOpDispatcher to separate file" (f20528b4) · Commits · e / os / android_frameworks_base

libs/hwui/Android.mk

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		@@ -101,6 +101,7 @@ hwui_cflags += -Wno-free-nonheap-object

		ifeq (true, $(HWUI_NEW_OPS))
		hwui_src_files += \
		BakedOpDispatcher.cpp \
		BakedOpRenderer.cpp \
		OpReorderer.cpp \
		RecordingCanvas.cpp

libs/hwui/BakedOpDispatcher.cpp

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		/*
		* Copyright (C) 2015 The Android Open Source Project
		*
		* 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 "BakedOpDispatcher.h"

		#include "BakedOpRenderer.h"
		#include "Caches.h"
		#include "Glop.h"
		#include "GlopBuilder.h"
		#include "renderstate/OffscreenBufferPool.h"
		#include "renderstate/RenderState.h"
		#include "utils/GLUtils.h"
		#include "VertexBuffer.h"

		#include <algorithm>
		#include <math.h>

		namespace android {
		namespace uirenderer {

		void BakedOpDispatcher::onRenderNodeOp(BakedOpRenderer&, const RenderNodeOp&, const BakedOpState&) {
		LOG_ALWAYS_FATAL("unsupported operation");
		}

		void BakedOpDispatcher::onBeginLayerOp(BakedOpRenderer& renderer, const BeginLayerOp& op, const BakedOpState& state) {
		LOG_ALWAYS_FATAL("unsupported operation");
		}

		void BakedOpDispatcher::onEndLayerOp(BakedOpRenderer& renderer, const EndLayerOp& op, const BakedOpState& state) {
		LOG_ALWAYS_FATAL("unsupported operation");
		}

		void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) {
		renderer.caches().textureState().activateTexture(0); // TODO: should this be automatic, and/or elsewhere?
		Texture* texture = renderer.getTexture(op.bitmap);
		if (!texture) return;
		const AutoTexture autoCleanup(texture);

		const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType)
		? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None;
		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshTexturedUnitQuad(texture->uvMapper)
		.setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha)
		.setTransform(state.computedState.transform, TransformFlags::None)
		.setModelViewMapUnitToRectSnap(Rect(0, 0, texture->width, texture->height))
		.build();
		renderer.renderGlop(state, glop);
		}

		void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) {
		LOG_ALWAYS_FATAL("todo");
		}

		void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) {
		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshUnitQuad()
		.setFillPaint(*op.paint, state.alpha)
		.setTransform(state.computedState.transform, TransformFlags::None)
		.setModelViewMapUnitToRect(op.unmappedBounds)
		.build();
		renderer.renderGlop(state, glop);
		}

		namespace VertexBufferRenderFlags {
		enum {
		Offset = 0x1,
		ShadowInterp = 0x2,
		};
		}

		static void renderVertexBuffer(BakedOpRenderer& renderer, const BakedOpState& state,
		const VertexBuffer& vertexBuffer, float translateX, float translateY,
		SkPaint& paint, int vertexBufferRenderFlags) {
		if (CC_LIKELY(vertexBuffer.getVertexCount())) {
		bool shadowInterp = vertexBufferRenderFlags & VertexBufferRenderFlags::ShadowInterp;
		const int transformFlags = TransformFlags::OffsetByFudgeFactor;
		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshVertexBuffer(vertexBuffer, shadowInterp)
		.setFillPaint(paint, state.alpha)
		.setTransform(state.computedState.transform, transformFlags)
		.setModelViewOffsetRect(translateX, translateY, vertexBuffer.getBounds())
		.build();
		renderer.renderGlop(state, glop);
		}
		}

		static void renderShadow(BakedOpRenderer& renderer, const BakedOpState& state, float casterAlpha,
		const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) {
		SkPaint paint;
		paint.setAntiAlias(true); // want to use AlphaVertex

		// The caller has made sure casterAlpha > 0.
		uint8_t ambientShadowAlpha = renderer.getLightInfo().ambientShadowAlpha;
		if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) {
		ambientShadowAlpha = Properties::overrideAmbientShadowStrength;
		}
		if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) {
		paint.setAlpha((uint8_t)(casterAlpha * ambientShadowAlpha));
		renderVertexBuffer(renderer, state, *ambientShadowVertexBuffer, 0, 0,
		paint, VertexBufferRenderFlags::ShadowInterp);
		}

		uint8_t spotShadowAlpha = renderer.getLightInfo().spotShadowAlpha;
		if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) {
		spotShadowAlpha = Properties::overrideSpotShadowStrength;
		}
		if (spotShadowVertexBuffer && spotShadowAlpha > 0) {
		paint.setAlpha((uint8_t)(casterAlpha * spotShadowAlpha));
		renderVertexBuffer(renderer, state, *spotShadowVertexBuffer, 0, 0,
		paint, VertexBufferRenderFlags::ShadowInterp);
		}
		}

		void BakedOpDispatcher::onShadowOp(BakedOpRenderer& renderer, const ShadowOp& op, const BakedOpState& state) {
		TessellationCache::vertexBuffer_pair_t buffers;
		renderer.caches().tessellationCache.getShadowBuffers(&state.computedState.transform,
		op.localClipRect, op.casterAlpha >= 1.0f, op.casterPath,
		&op.shadowMatrixXY, &op.shadowMatrixZ,
		op.lightCenter, renderer.getLightInfo().lightRadius,
		buffers);

		renderShadow(renderer, state, op.casterAlpha, buffers.first, buffers.second);
		}

		void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) {
		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4)
		.setFillPaint(*op.paint, state.alpha)
		.setTransform(state.computedState.transform, TransformFlags::None)
		.setModelViewOffsetRect(0, 0, op.unmappedBounds)
		.build();
		renderer.renderGlop(state, glop);
		}

		static void renderTextShadow(BakedOpRenderer& renderer, FontRenderer& fontRenderer,
		const TextOp& op, const BakedOpState& state) {
		renderer.caches().textureState().activateTexture(0);

		PaintUtils::TextShadow textShadow;
		if (!PaintUtils::getTextShadow(op.paint, &textShadow)) {
		LOG_ALWAYS_FATAL("failed to query shadow attributes");
		}

		renderer.caches().dropShadowCache.setFontRenderer(fontRenderer);
		ShadowTexture* texture = renderer.caches().dropShadowCache.get(
		op.paint, (const char*) op.glyphs,
		op.glyphCount, textShadow.radius, op.positions);
		// If the drop shadow exceeds the max texture size or couldn't be
		// allocated, skip drawing
		if (!texture) return;
		const AutoTexture autoCleanup(texture);

		const float sx = op.x - texture->left + textShadow.dx;
		const float sy = op.y - texture->top + textShadow.dy;

		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshTexturedUnitQuad(nullptr)
		.setFillShadowTexturePaint(texture, textShadow.color, op.paint, state.alpha)
		.setTransform(state.computedState.transform, TransformFlags::None)
		.setModelViewMapUnitToRect(Rect(sx, sy, sx + texture->width, sy + texture->height))
		.build();
		renderer.renderGlop(state, glop);
		}

		void BakedOpDispatcher::onTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state) {
		FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer();

		if (CC_UNLIKELY(PaintUtils::hasTextShadow(op.paint))) {
		fontRenderer.setFont(op.paint, SkMatrix::I());
		renderTextShadow(renderer, fontRenderer, op, state);
		}

		float x = op.x;
		float y = op.y;
		const Matrix4& transform = state.computedState.transform;
		const bool pureTranslate = transform.isPureTranslate();
		if (CC_LIKELY(pureTranslate)) {
		x = floorf(x + transform.getTranslateX() + 0.5f);
		y = floorf(y + transform.getTranslateY() + 0.5f);
		fontRenderer.setFont(op.paint, SkMatrix::I());
		fontRenderer.setTextureFiltering(false);
		} else if (CC_UNLIKELY(transform.isPerspective())) {
		fontRenderer.setFont(op.paint, SkMatrix::I());
		fontRenderer.setTextureFiltering(true);
		} else {
		// We only pass a partial transform to the font renderer. That partial
		// matrix defines how glyphs are rasterized. Typically we want glyphs
		// to be rasterized at their final size on screen, which means the partial
		// matrix needs to take the scale factor into account.
		// When a partial matrix is used to transform glyphs during rasterization,
		// the mesh is generated with the inverse transform (in the case of scale,
		// the mesh is generated at 1.0 / scale for instance.) This allows us to
		// apply the full transform matrix at draw time in the vertex shader.
		// Applying the full matrix in the shader is the easiest way to handle
		// rotation and perspective and allows us to always generated quads in the
		// font renderer which greatly simplifies the code, clipping in particular.
		float sx, sy;
		transform.decomposeScale(sx, sy);
		fontRenderer.setFont(op.paint, SkMatrix::MakeScale(
		roundf(std::max(1.0f, sx)),
		roundf(std::max(1.0f, sy))));
		fontRenderer.setTextureFiltering(true);
		}

		// TODO: Implement better clipping for scaled/rotated text
		const Rect* clip = !pureTranslate ? nullptr : &state.computedState.clipRect;
		Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f);

		int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha;
		SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint);
		TextDrawFunctor functor(&renderer, &state, x, y, pureTranslate, alpha, mode, op.paint);

		bool hasActiveLayer = false; // TODO
		fontRenderer.renderPosText(op.paint, clip, (const char*) op.glyphs, op.glyphCount, x, y,
		op.positions, hasActiveLayer ? &layerBounds : nullptr, &functor, true); // TODO: merging
		}

		void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) {
		OffscreenBuffer* buffer = *op.layerHandle;

		// TODO: extend this to handle HW layers & paint properties which
		// reside in node.properties().layerProperties()
		float layerAlpha = op.alpha * state.alpha;
		Glop glop;
		GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
		.setRoundRectClipState(state.roundRectClipState)
		.setMeshTexturedIndexedVbo(buffer->vbo, buffer->elementCount)
		.setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap)
		.setTransform(state.computedState.transform, TransformFlags::None)
		.setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top,
		Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight()))
		.build();
		renderer.renderGlop(state, glop);

		if (op.destroy) {
		renderer.renderState().layerPool().putOrDelete(buffer);
		}
		}

		} // namespace uirenderer
		} // namespace android

libs/hwui/BakedOpDispatcher.h

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Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2015 The Android Open Source Project
		*
		* 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.
		*/

		#ifndef ANDROID_HWUI_BAKED_OP_DISPATCHER_H
		#define ANDROID_HWUI_BAKED_OP_DISPATCHER_H

		#include "BakedOpState.h"
		#include "RecordedOp.h"

		namespace android {
		namespace uirenderer {

		/**
		* Provides all "onBitmapOp(...)" style static methods for every op type, which convert the
		* RecordedOps and their state to Glops, and renders them with the provided BakedOpRenderer.
		*
		* This dispatcher is separate from the renderer so that the dispatcher / renderer interaction is
		* minimal through public BakedOpRenderer APIs.
		*/
		class BakedOpDispatcher {
		public:
		// Declares all "onBitmapOp(...)" style methods for every op type
		#define DISPATCH_METHOD(Type) \
		static void on##Type(BakedOpRenderer& renderer, const Type& op, const BakedOpState& state);
		MAP_OPS(DISPATCH_METHOD);
		};

		}; // namespace uirenderer
		}; // namespace android

		#endif // ANDROID_HWUI_BAKED_OP_DISPATCHER_H

libs/hwui/BakedOpRenderer.cpp

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File changed.

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libs/hwui/BakedOpRenderer.h

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		@@ -91,21 +91,6 @@ private:
		const LightInfo mLightInfo;
		};

		/**
		* Provides all "onBitmapOp(...)" style static methods for every op type, which convert the
		* RecordedOps and their state to Glops, and renders them with the provided BakedOpRenderer.
		*
		* This dispatcher is separate from the renderer so that the dispatcher / renderer interaction is
		* minimal through public BakedOpRenderer APIs.
		*/
		class BakedOpDispatcher {
		public:
		// Declares all "onBitmapOp(...)" style methods for every op type
		#define DISPATCH_METHOD(Type) \
		static void on##Type(BakedOpRenderer& renderer, const Type& op, const BakedOpState& state);
		MAP_OPS(DISPATCH_METHOD);
		};

		}; // namespace uirenderer
		}; // namespace android