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-rw-r--r--libs/hwui/Patch.cpp229
1 files changed, 0 insertions, 229 deletions
diff --git a/libs/hwui/Patch.cpp b/libs/hwui/Patch.cpp
deleted file mode 100644
index c243dad01f04..000000000000
--- a/libs/hwui/Patch.cpp
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Copyright (C) 2010 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 "Patch.h"
-
-#include "Caches.h"
-#include "Properties.h"
-#include "UvMapper.h"
-#include "utils/MathUtils.h"
-
-#include <utils/Log.h>
-#include <algorithm>
-
-namespace android {
-namespace uirenderer {
-
-///////////////////////////////////////////////////////////////////////////////
-// Vertices management
-///////////////////////////////////////////////////////////////////////////////
-
-uint32_t Patch::getSize() const {
- return verticesCount * sizeof(TextureVertex);
-}
-
-Patch::Patch(const float bitmapWidth, const float bitmapHeight, float width, float height,
- const UvMapper& mapper, const Res_png_9patch* patch)
- : mColors(patch->getColors()) {
- int8_t emptyQuads = 0;
- const int8_t numColors = patch->numColors;
- if (uint8_t(numColors) < sizeof(uint32_t) * 4) {
- for (int8_t i = 0; i < numColors; i++) {
- if (mColors[i] == 0x0) {
- emptyQuads++;
- }
- }
- }
-
- hasEmptyQuads = emptyQuads > 0;
-
- uint32_t xCount = patch->numXDivs;
- uint32_t yCount = patch->numYDivs;
-
- uint32_t maxVertices = ((xCount + 1) * (yCount + 1) - emptyQuads) * 4;
- if (maxVertices == 0) return;
-
- vertices.reset(new TextureVertex[maxVertices]);
- TextureVertex* vertex = vertices.get();
-
- const int32_t* xDivs = patch->getXDivs();
- const int32_t* yDivs = patch->getYDivs();
-
- const uint32_t xStretchCount = (xCount + 1) >> 1;
- const uint32_t yStretchCount = (yCount + 1) >> 1;
-
- float stretchX = 0.0f;
- float stretchY = 0.0f;
-
- float rescaleX = 1.0f;
- float rescaleY = 1.0f;
-
- if (xStretchCount > 0) {
- uint32_t stretchSize = 0;
- for (uint32_t i = 1; i < xCount; i += 2) {
- stretchSize += xDivs[i] - xDivs[i - 1];
- }
- const float xStretchTex = stretchSize;
- const float fixed = bitmapWidth - stretchSize;
- const float xStretch = std::max(width - fixed, 0.0f);
- stretchX = xStretch / xStretchTex;
- rescaleX = fixed == 0.0f ? 0.0f : std::min(std::max(width, 0.0f) / fixed, 1.0f);
- }
-
- if (yStretchCount > 0) {
- uint32_t stretchSize = 0;
- for (uint32_t i = 1; i < yCount; i += 2) {
- stretchSize += yDivs[i] - yDivs[i - 1];
- }
- const float yStretchTex = stretchSize;
- const float fixed = bitmapHeight - stretchSize;
- const float yStretch = std::max(height - fixed, 0.0f);
- stretchY = yStretch / yStretchTex;
- rescaleY = fixed == 0.0f ? 0.0f : std::min(std::max(height, 0.0f) / fixed, 1.0f);
- }
-
- uint32_t quadCount = 0;
-
- float previousStepY = 0.0f;
-
- float y1 = 0.0f;
- float y2 = 0.0f;
- float v1 = 0.0f;
-
- mUvMapper = mapper;
-
- for (uint32_t i = 0; i < yCount; i++) {
- float stepY = yDivs[i];
- const float segment = stepY - previousStepY;
-
- if (i & 1) {
- y2 = y1 + floorf(segment * stretchY + 0.5f);
- } else {
- y2 = y1 + segment * rescaleY;
- }
-
- float vOffset = y1 == y2 ? 0.0f : 0.5 - (0.5 * segment / (y2 - y1));
- float v2 = std::max(0.0f, stepY - vOffset) / bitmapHeight;
- v1 += vOffset / bitmapHeight;
-
- if (stepY > 0.0f) {
- generateRow(xDivs, xCount, vertex, y1, y2, v1, v2, stretchX, rescaleX, width,
- bitmapWidth, quadCount);
- }
-
- y1 = y2;
- v1 = stepY / bitmapHeight;
-
- previousStepY = stepY;
- }
-
- if (previousStepY != bitmapHeight) {
- y2 = height;
- generateRow(xDivs, xCount, vertex, y1, y2, v1, 1.0f, stretchX, rescaleX, width, bitmapWidth,
- quadCount);
- }
-
- if (verticesCount != maxVertices) {
- std::unique_ptr<TextureVertex[]> reducedVertices(new TextureVertex[verticesCount]);
- memcpy(reducedVertices.get(), vertices.get(), verticesCount * sizeof(TextureVertex));
- vertices = std::move(reducedVertices);
- }
-}
-
-void Patch::generateRow(const int32_t* xDivs, uint32_t xCount, TextureVertex*& vertex, float y1,
- float y2, float v1, float v2, float stretchX, float rescaleX, float width,
- float bitmapWidth, uint32_t& quadCount) {
- float previousStepX = 0.0f;
-
- float x1 = 0.0f;
- float x2 = 0.0f;
- float u1 = 0.0f;
-
- // Generate the row quad by quad
- for (uint32_t i = 0; i < xCount; i++) {
- float stepX = xDivs[i];
- const float segment = stepX - previousStepX;
-
- if (i & 1) {
- x2 = x1 + floorf(segment * stretchX + 0.5f);
- } else {
- x2 = x1 + segment * rescaleX;
- }
-
- float uOffset = x1 == x2 ? 0.0f : 0.5 - (0.5 * segment / (x2 - x1));
- float u2 = std::max(0.0f, stepX - uOffset) / bitmapWidth;
- u1 += uOffset / bitmapWidth;
-
- if (stepX > 0.0f) {
- generateQuad(vertex, x1, y1, x2, y2, u1, v1, u2, v2, quadCount);
- }
-
- x1 = x2;
- u1 = stepX / bitmapWidth;
-
- previousStepX = stepX;
- }
-
- if (previousStepX != bitmapWidth) {
- x2 = width;
- generateQuad(vertex, x1, y1, x2, y2, u1, v1, 1.0f, v2, quadCount);
- }
-}
-
-void Patch::generateQuad(TextureVertex*& vertex, float x1, float y1, float x2, float y2, float u1,
- float v1, float u2, float v2, uint32_t& quadCount) {
- const uint32_t oldQuadCount = quadCount;
- quadCount++;
-
- x1 = std::max(x1, 0.0f);
- x2 = std::max(x2, 0.0f);
- y1 = std::max(y1, 0.0f);
- y2 = std::max(y2, 0.0f);
-
- // Skip degenerate and transparent (empty) quads
- if ((mColors[oldQuadCount] == 0) || x1 >= x2 || y1 >= y2) {
-#if DEBUG_PATCHES_EMPTY_VERTICES
- PATCH_LOGD(" quad %d (empty)", oldQuadCount);
- PATCH_LOGD(" left, top = %.2f, %.2f\t\tu1, v1 = %.8f, %.8f", x1, y1, u1, v1);
- PATCH_LOGD(" right, bottom = %.2f, %.2f\t\tu2, v2 = %.8f, %.8f", x2, y2, u2, v2);
-#endif
- return;
- }
-
- // Record all non empty quads
- if (hasEmptyQuads) {
- quads.emplace_back(x1, y1, x2, y2);
- }
-
- mUvMapper.map(u1, v1, u2, v2);
-
- TextureVertex::set(vertex++, x1, y1, u1, v1);
- TextureVertex::set(vertex++, x2, y1, u2, v1);
- TextureVertex::set(vertex++, x1, y2, u1, v2);
- TextureVertex::set(vertex++, x2, y2, u2, v2);
-
- verticesCount += 4;
- indexCount += 6;
-
-#if DEBUG_PATCHES_VERTICES
- PATCH_LOGD(" quad %d", oldQuadCount);
- PATCH_LOGD(" left, top = %.2f, %.2f\t\tu1, v1 = %.8f, %.8f", x1, y1, u1, v1);
- PATCH_LOGD(" right, bottom = %.2f, %.2f\t\tu2, v2 = %.8f, %.8f", x2, y2, u2, v2);
-#endif
-}
-
-}; // namespace uirenderer
-}; // namespace android
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