Rename GrBWFillRectBatch to GrNonAAFillRectBAtch

src/gpu/batches/GrBWFillRectBatch.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 "GrBWFillRectBatch.h"
-
-#include "GrBatchFlushState.h"
-#include "GrColor.h"
-#include "GrDefaultGeoProcFactory.h"
-#include "GrPrimitiveProcessor.h"
-#include "GrResourceProvider.h"
-#include "GrTInstanceBatch.h"
-#include "GrQuad.h"
-#include "GrVertexBatch.h"
-
-// Common functions
-class BWFillRectBatchBase {
-public:
-    static const int kVertsPerInstance = 4;
-    static const int kIndicesPerInstance = 6;
-
-    static void InitInvariantOutputCoverage(GrInitInvariantOutput* out) {
-        out->setKnownSingleComponent(0xff);
-    }
-
-    static const GrIndexBuffer* GetIndexBuffer(GrResourceProvider* rp) {
-        return rp->refQuadIndexBuffer();
-    }
-
-    template <typename Geometry>
-    static void SetBounds(const Geometry& geo, SkRect* outBounds) {
-        geo.fViewMatrix.mapRect(outBounds, geo.fRect);
-    }
-};
-
-/** We always use per-vertex colors so that rects can be batched across color changes. Sometimes
-    we  have explicit local coords and sometimes not. We *could* always provide explicit local
-    coords and just duplicate the positions when the caller hasn't provided a local coord rect,
-    but we haven't seen a use case which frequently switches between local rect and no local
-    rect draws.
-
-    The vertex attrib order is always pos, color, [local coords].
- */
-static const GrGeometryProcessor* create_gp(const SkMatrix& viewMatrix,
-                                            bool readsCoverage,
-                                            bool hasExplicitLocalCoords,
-                                            const SkMatrix* localMatrix) {
-    using namespace GrDefaultGeoProcFactory;
-    Color color(Color::kAttribute_Type);
-    Coverage coverage(readsCoverage ? Coverage::kSolid_Type : Coverage::kNone_Type);
-
-    // If we have perspective on the viewMatrix then we won't map on the CPU, nor will we map
-    // the local rect on the cpu (in case the localMatrix also has perspective).
-    // Otherwise, if we have a local rect, then we apply the localMatrix directly to the localRect
-    // to generate vertex local coords
-    if (viewMatrix.hasPerspective()) {
-        LocalCoords localCoords(hasExplicitLocalCoords ? LocalCoords::kHasExplicit_Type :
-                                                         LocalCoords::kUsePosition_Type,
-                                localMatrix);
-        return GrDefaultGeoProcFactory::Create(color, coverage, localCoords, viewMatrix);
-    } else if (hasExplicitLocalCoords) {
-        LocalCoords localCoords(LocalCoords::kHasExplicit_Type);
-        return GrDefaultGeoProcFactory::Create(color, coverage, localCoords, SkMatrix::I());
-    } else {
-        LocalCoords localCoords(LocalCoords::kUsePosition_Type, localMatrix);
-        return GrDefaultGeoProcFactory::CreateForDeviceSpace(color, coverage, localCoords,
-                                                             viewMatrix);
-    }
-}
-
-static void tesselate(intptr_t vertices,
-                      size_t vertexStride,
-                      GrColor color,
-                      const SkMatrix& viewMatrix,
-                      const SkRect& rect,
-                      const GrQuad* localQuad) {
-    SkPoint* positions = reinterpret_cast<SkPoint*>(vertices);
-
-    positions->setRectFan(rect.fLeft, rect.fTop,
-                          rect.fRight, rect.fBottom, vertexStride);
-
-    if (!viewMatrix.hasPerspective()) {
-        viewMatrix.mapPointsWithStride(positions, vertexStride,
-                                       BWFillRectBatchBase::kVertsPerInstance);
-    }
-
-    // Setup local coords
-    // TODO we should only do this if local coords are being read
-    if (localQuad) {
-        static const int kLocalOffset = sizeof(SkPoint) + sizeof(GrColor);
-        for (int i = 0; i < BWFillRectBatchBase::kVertsPerInstance; i++) {
-            SkPoint* coords = reinterpret_cast<SkPoint*>(vertices + kLocalOffset +
-                              i * vertexStride);
-            *coords = localQuad->point(i);
-        }
-    }
-
-    static const int kColorOffset = sizeof(SkPoint);
-    GrColor* vertColor = reinterpret_cast<GrColor*>(vertices + kColorOffset);
-    for (int j = 0; j < 4; ++j) {
-        *vertColor = color;
-        vertColor = (GrColor*) ((intptr_t) vertColor + vertexStride);
-    }
-}
-
-class BWFillRectBatchNoLocalMatrixImp : public BWFillRectBatchBase {
-public:
-    struct Geometry {
-        SkMatrix fViewMatrix;
-        SkRect fRect;
-        GrQuad fLocalQuad;
-        GrColor fColor;
-    };
-
-    static const char* Name() { return "BWFillRectBatchNoLocalMatrix"; }
-
-    static bool CanCombine(const Geometry& mine, const Geometry& theirs,
-                           const GrPipelineOptimizations& opts) {
-        return true;
-    }
-
-    static const GrGeometryProcessor* CreateGP(const Geometry& geo,
-                                               const GrPipelineOptimizations& opts) {
-        const GrGeometryProcessor* gp = create_gp(geo.fViewMatrix, opts.readsCoverage(), true,
-                                                  nullptr);
-
-        SkASSERT(gp->getVertexStride() ==
-                sizeof(GrDefaultGeoProcFactory::PositionColorLocalCoordAttr));
-        return gp;
-    }
-
-    static void Tesselate(intptr_t vertices, size_t vertexStride, const Geometry& geo,
-                          const GrPipelineOptimizations& opts) {
-        tesselate(vertices, vertexStride, geo.fColor, geo.fViewMatrix, geo.fRect, &geo.fLocalQuad);
-    }
-};
-
-// We handle perspective in the local matrix or viewmatrix with special batches
-class BWFillRectBatchPerspectiveImp : public BWFillRectBatchBase {
-public:
-    struct Geometry {
-        SkMatrix fViewMatrix;
-        SkMatrix fLocalMatrix;
-        SkRect fRect;
-        SkRect fLocalRect;
-        GrColor fColor;
-        bool fHasLocalMatrix;
-        bool fHasLocalRect;
-    };
-
-    static const char* Name() { return "BWFillRectBatchPerspective"; }
-
-    static bool CanCombine(const Geometry& mine, const Geometry& theirs,
-                           const GrPipelineOptimizations& opts) {
-        // We could batch across perspective vm changes if we really wanted to
-        return mine.fViewMatrix.cheapEqualTo(theirs.fViewMatrix) &&
-               (!mine.fHasLocalMatrix || mine.fLocalMatrix.cheapEqualTo(theirs.fLocalMatrix));
-    }
-
-    static const GrGeometryProcessor* CreateGP(const Geometry& geo,
-                                               const GrPipelineOptimizations& opts) {
-        const GrGeometryProcessor* gp = create_gp(geo.fViewMatrix, opts.readsCoverage(),
-                                                  geo.fHasLocalRect,
-                                                  geo.fHasLocalMatrix ? &geo.fLocalMatrix :
-                                                                        nullptr);
-
-        SkASSERT(geo.fHasLocalRect ?
-             gp->getVertexStride() == sizeof(GrDefaultGeoProcFactory::PositionColorLocalCoordAttr) :
-             gp->getVertexStride() == sizeof(GrDefaultGeoProcFactory::PositionColorAttr));
-        return gp;
-    }
-
-    static void Tesselate(intptr_t vertices, size_t vertexStride, const Geometry& geo,
-                          const GrPipelineOptimizations& opts) {
-        if (geo.fHasLocalRect) {
-            GrQuad quad(geo.fLocalRect);
-            tesselate(vertices, vertexStride, geo.fColor, geo.fViewMatrix, geo.fRect, &quad);
-        } else {
-            tesselate(vertices, vertexStride, geo.fColor, geo.fViewMatrix, geo.fRect, nullptr);
-        }
-    }
-};
-
-typedef GrTInstanceBatch<BWFillRectBatchNoLocalMatrixImp> BWFillRectBatchSimple;
-typedef GrTInstanceBatch<BWFillRectBatchPerspectiveImp> BWFillRectBatchPerspective;
-
-namespace GrBWFillRectBatch {
-GrDrawBatch* Create(GrColor color,
-                    const SkMatrix& viewMatrix,
-                    const SkRect& rect,
-                    const SkRect* localRect,
-                    const SkMatrix* localMatrix) {
-
-    /* Perspective has to be handled in a slow path for now */
-    if (viewMatrix.hasPerspective() || (localMatrix && localMatrix->hasPerspective())) {
-        BWFillRectBatchPerspective* batch = BWFillRectBatchPerspective::Create();
-        BWFillRectBatchPerspective::Geometry& geo = *batch->geometry();
-
-        geo.fColor = color;
-        geo.fViewMatrix = viewMatrix;
-        geo.fRect = rect;
-        geo.fHasLocalRect = SkToBool(localRect);
-        geo.fHasLocalMatrix = SkToBool(localMatrix);
-        if (localMatrix) {
-            geo.fLocalMatrix = *localMatrix;
-        }
-        if (localRect) {
-            geo.fLocalRect = *localRect;
-        }
-
-        batch->init();
-        return batch;
-    } else {
-        // TODO bubble these up as separate calls
-        BWFillRectBatchSimple* batch = BWFillRectBatchSimple::Create();
-        BWFillRectBatchSimple::Geometry& geo = *batch->geometry();
-
-        geo.fColor = color;
-        geo.fViewMatrix = viewMatrix;
-        geo.fRect = rect;
-
-        if (localRect && localMatrix) {
-            geo.fLocalQuad.setFromMappedRect(*localRect, *localMatrix);
-        } else if (localRect) {
-            geo.fLocalQuad.set(*localRect);
-        } else if (localMatrix) {
-            geo.fLocalQuad.setFromMappedRect(rect, *localMatrix);
-        } else {
-            geo.fLocalQuad.set(rect);
-        }
-
-        batch->init();
-        return batch;
-    }
-}
-};
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-#ifdef GR_TEST_UTILS
-
-#include "GrBatchTest.h"
-
-DRAW_BATCH_TEST_DEFINE(RectBatch) {
-    GrColor color = GrRandomColor(random);
-    SkRect rect = GrTest::TestRect(random);
-    SkRect localRect = GrTest::TestRect(random);
-    SkMatrix viewMatrix = GrTest::TestMatrixInvertible(random);
-    SkMatrix localMatrix = GrTest::TestMatrix(random);
-
-    bool hasLocalRect = random->nextBool();
-    bool hasLocalMatrix = random->nextBool();
-    return GrBWFillRectBatch::Create(color, viewMatrix, rect, hasLocalRect ? &localRect : nullptr,
-                                     hasLocalMatrix ? &localMatrix : nullptr);
-}
-
-#endif