Make folder for batches

src/gpu/GrStrokeRectBatch.cpp

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "GrStrokeRectBatch.h"
-#include "GrBatchTest.h"
-#include "SkRandom.h"
-
-GrStrokeRectBatch::GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters) {
-    this->initClassID<GrStrokeRectBatch>();
-
-    fBatch.fHairline = geometry.fStrokeWidth == 0;
-
-    fGeoData.push_back(geometry);
-
-    // setup bounds
-    fBounds = geometry.fRect;
-    SkScalar rad = SkScalarHalf(geometry.fStrokeWidth);
-    fBounds.outset(rad, rad);
-    geometry.fViewMatrix.mapRect(&fBounds);
-
-    // If our caller snaps to pixel centers then we have to round out the bounds
-    if (snapToPixelCenters) {
-        fBounds.roundOut();
-    }
-}
-
-void GrStrokeRectBatch::initBatchTracker(const GrPipelineInfo& init) {
-    // Handle any color overrides
-    if (!init.readsColor()) {
-        fGeoData[0].fColor = GrColor_ILLEGAL;
-    }
-    init.getOverrideColorIfSet(&fGeoData[0].fColor);
-
-    // setup batch properties
-    fBatch.fColorIgnored = !init.readsColor();
-    fBatch.fColor = fGeoData[0].fColor;
-    fBatch.fUsesLocalCoords = init.readsLocalCoords();
-    fBatch.fCoverageIgnored = !init.readsCoverage();
-}
-
-/*  create a triangle strip that strokes the specified rect. There are 8
-    unique vertices, but we repeat the last 2 to close up. Alternatively we
-    could use an indices array, and then only send 8 verts, but not sure that
-    would be faster.
-    */
-static void init_stroke_rect_strip(SkPoint verts[10], const SkRect& rect, SkScalar width) {
-    const SkScalar rad = SkScalarHalf(width);
-    // TODO we should be able to enable this assert, but we'd have to filter these draws
-    // this is a bug
-    //SkASSERT(rad < rect.width() / 2 && rad < rect.height() / 2);
-
-    verts[0].set(rect.fLeft + rad, rect.fTop + rad);
-    verts[1].set(rect.fLeft - rad, rect.fTop - rad);
-    verts[2].set(rect.fRight - rad, rect.fTop + rad);
-    verts[3].set(rect.fRight + rad, rect.fTop - rad);
-    verts[4].set(rect.fRight - rad, rect.fBottom - rad);
-    verts[5].set(rect.fRight + rad, rect.fBottom + rad);
-    verts[6].set(rect.fLeft + rad, rect.fBottom - rad);
-    verts[7].set(rect.fLeft - rad, rect.fBottom + rad);
-    verts[8] = verts[0];
-    verts[9] = verts[1];
-}
-
-
-void GrStrokeRectBatch::generateGeometry(GrBatchTarget* batchTarget) {
-    SkAutoTUnref<const GrGeometryProcessor> gp;
-    {
-        using namespace GrDefaultGeoProcFactory;
-        Color color(this->color());
-        Coverage coverage(this->coverageIgnored() ? Coverage::kSolid_Type :
-                                                    Coverage::kNone_Type);
-        LocalCoords localCoords(this->usesLocalCoords() ? LocalCoords::kUsePosition_Type :
-                                                            LocalCoords::kUnused_Type);
-        gp.reset(GrDefaultGeoProcFactory::Create(color, coverage, localCoords,
-                                                    this->viewMatrix()));
-    }
-
-    batchTarget->initDraw(gp, this->pipeline());
-
-    size_t vertexStride = gp->getVertexStride();
-
-    SkASSERT(vertexStride == sizeof(GrDefaultGeoProcFactory::PositionAttr));
-
-    Geometry& args = fGeoData[0];
-
-    int vertexCount = kVertsPerHairlineRect;
-    if (args.fStrokeWidth > 0) {
-        vertexCount = kVertsPerStrokeRect;
-    }
-
-    const GrVertexBuffer* vertexBuffer;
-    int firstVertex;
-
-    void* verts = batchTarget->makeVertSpace(vertexStride, vertexCount,
-                                                &vertexBuffer, &firstVertex);
-
-    if (!verts) {
-        SkDebugf("Could not allocate vertices\n");
-        return;
-    }
-
-    SkPoint* vertex = reinterpret_cast<SkPoint*>(verts);
-
-    GrPrimitiveType primType;
-
-    if (args.fStrokeWidth > 0) {;
-        primType = kTriangleStrip_GrPrimitiveType;
-        args.fRect.sort();
-        init_stroke_rect_strip(vertex, args.fRect, args.fStrokeWidth);
-    } else {
-        // hairline
-        primType = kLineStrip_GrPrimitiveType;
-        vertex[0].set(args.fRect.fLeft, args.fRect.fTop);
-        vertex[1].set(args.fRect.fRight, args.fRect.fTop);
-        vertex[2].set(args.fRect.fRight, args.fRect.fBottom);
-        vertex[3].set(args.fRect.fLeft, args.fRect.fBottom);
-        vertex[4].set(args.fRect.fLeft, args.fRect.fTop);
-    }
-
-    GrVertices vertices;
-    vertices.init(primType, vertexBuffer, firstVertex, vertexCount);
-    batchTarget->draw(vertices);
-}
-
-#ifdef GR_TEST_UTILS
-
-BATCH_TEST_DEFINE(GrStrokeRectBatch) {
-    GrStrokeRectBatch::Geometry geometry;
-    geometry.fViewMatrix = GrTest::TestMatrix(random);
-    geometry.fColor = GrRandomColor(random);
-    geometry.fRect = GrTest::TestRect(random);
-    geometry.fStrokeWidth = random->nextBool() ? 0.0f : 1.0f;
-
-    return GrStrokeRectBatch::Create(geometry, random->nextBool());
-}
-
-#endif