GrDrawVertices to batches

BUG=skia:

Review URL: https://codereview.chromium.org/1276333004
This commit is contained in:
joshualitt 2015-08-07 12:46:26 -07:00 committed by Commit bot
parent 14b8803b7c
commit 2771b5617c
8 changed files with 460 additions and 404 deletions

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@ -16,11 +16,12 @@
#include "GrContext.h"
#include "GrPathUtils.h"
#include "GrTest.h"
#include "GrTestBatch.h"
#include "SkColorPriv.h"
#include "SkDevice.h"
#include "SkGeometry.h"
#include "batches/GrTestBatch.h"
#include "effects/GrBezierEffect.h"
static inline SkScalar eval_line(const SkPoint& p, const SkScalar lineEq[3], SkScalar sign) {

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@ -17,12 +17,13 @@
#include "GrDefaultGeoProcFactory.h"
#include "GrPathUtils.h"
#include "GrTest.h"
#include "GrTestBatch.h"
#include "SkColorPriv.h"
#include "SkDevice.h"
#include "SkGeometry.h"
#include "SkTLList.h"
#include "batches/GrTestBatch.h"
#include "effects/GrConvexPolyEffect.h"
namespace skiagm {

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@ -20,7 +20,7 @@
'<!@(python find.py ../gm "*.c*")',
# Files needed by particular GMs
'../src/gpu/GrTestBatch.h',
'../src/gpu/batches/GrTestBatch.h',
'../src/utils/debugger/SkDrawCommand.h',
'../src/utils/debugger/SkDrawCommand.cpp',
'../src/utils/debugger/SkDebugCanvas.h',

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@ -225,6 +225,8 @@
'<(skia_src_path)/gpu/batches/GrBatch.h',
'<(skia_src_path)/gpu/batches/GrDrawAtlasBatch.cpp',
'<(skia_src_path)/gpu/batches/GrDrawAtlasBatch.h',
'<(skia_src_path)/gpu/batches/GrDrawVerticesBatch.cpp',
'<(skia_src_path)/gpu/batches/GrDrawVerticesBatch.h',
'<(skia_src_path)/gpu/batches/GrRectBatch.h',
'<(skia_src_path)/gpu/batches/GrRectBatch.cpp',
'<(skia_src_path)/gpu/batches/GrStrokeRectBatch.cpp',

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@ -10,7 +10,6 @@
#include "GrAtlasTextContext.h"
#include "GrBatchTest.h"
#include "GrColor.h"
#include "GrDefaultGeoProcFactory.h"
#include "GrDrawContext.h"
#include "GrOvalRenderer.h"
#include "GrPathRenderer.h"
@ -20,6 +19,7 @@
#include "batches/GrBatch.h"
#include "batches/GrDrawAtlasBatch.h"
#include "batches/GrDrawVerticesBatch.h"
#include "batches/GrStrokeRectBatch.h"
#include "SkGr.h"
@ -373,283 +373,6 @@ void GrDrawContext::drawNonAARectToRect(GrRenderTarget* rt,
localMatrix);
}
static const GrGeometryProcessor* set_vertex_attributes(bool hasLocalCoords,
bool hasColors,
int* colorOffset,
int* texOffset,
GrColor color,
const SkMatrix& viewMatrix,
bool coverageIgnored) {
using namespace GrDefaultGeoProcFactory;
*texOffset = -1;
*colorOffset = -1;
Color gpColor(color);
if (hasColors) {
gpColor.fType = Color::kAttribute_Type;
}
Coverage coverage(coverageIgnored ? Coverage::kNone_Type : Coverage::kSolid_Type);
LocalCoords localCoords(hasLocalCoords ? LocalCoords::kHasExplicit_Type :
LocalCoords::kUsePosition_Type);
if (hasLocalCoords && hasColors) {
*colorOffset = sizeof(SkPoint);
*texOffset = sizeof(SkPoint) + sizeof(GrColor);
} else if (hasLocalCoords) {
*texOffset = sizeof(SkPoint);
} else if (hasColors) {
*colorOffset = sizeof(SkPoint);
}
return GrDefaultGeoProcFactory::Create(gpColor, coverage, localCoords, viewMatrix);
}
class DrawVerticesBatch : public GrBatch {
public:
struct Geometry {
GrColor fColor;
SkTDArray<SkPoint> fPositions;
SkTDArray<uint16_t> fIndices;
SkTDArray<GrColor> fColors;
SkTDArray<SkPoint> fLocalCoords;
};
static GrBatch* Create(const Geometry& geometry, GrPrimitiveType primitiveType,
const SkMatrix& viewMatrix,
const SkPoint* positions, int vertexCount,
const uint16_t* indices, int indexCount,
const GrColor* colors, const SkPoint* localCoords,
const SkRect& bounds) {
return SkNEW_ARGS(DrawVerticesBatch, (geometry, primitiveType, viewMatrix, positions,
vertexCount, indices, indexCount, colors,
localCoords, bounds));
}
const char* name() const override { return "DrawVerticesBatch"; }
void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
// When this is called on a batch, there is only one geometry bundle
if (this->hasColors()) {
out->setUnknownFourComponents();
} else {
out->setKnownFourComponents(fGeoData[0].fColor);
}
}
void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
out->setKnownSingleComponent(0xff);
}
void initBatchTracker(const GrPipelineInfo& init) override {
// 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();
}
void generateGeometry(GrBatchTarget* batchTarget) override {
int colorOffset = -1, texOffset = -1;
SkAutoTUnref<const GrGeometryProcessor> gp(
set_vertex_attributes(this->hasLocalCoords(), this->hasColors(), &colorOffset,
&texOffset, this->color(), this->viewMatrix(),
this->coverageIgnored()));
batchTarget->initDraw(gp, this->pipeline());
size_t vertexStride = gp->getVertexStride();
SkASSERT(vertexStride == sizeof(SkPoint) + (this->hasLocalCoords() ? sizeof(SkPoint) : 0)
+ (this->hasColors() ? sizeof(GrColor) : 0));
int instanceCount = fGeoData.count();
const GrVertexBuffer* vertexBuffer;
int firstVertex;
void* verts = batchTarget->makeVertSpace(vertexStride, this->vertexCount(),
&vertexBuffer, &firstVertex);
if (!verts) {
SkDebugf("Could not allocate vertices\n");
return;
}
const GrIndexBuffer* indexBuffer = NULL;
int firstIndex = 0;
uint16_t* indices = NULL;
if (this->hasIndices()) {
indices = batchTarget->makeIndexSpace(this->indexCount(), &indexBuffer, &firstIndex);
if (!indices) {
SkDebugf("Could not allocate indices\n");
return;
}
}
int indexOffset = 0;
int vertexOffset = 0;
for (int i = 0; i < instanceCount; i++) {
const Geometry& args = fGeoData[i];
// TODO we can actually cache this interleaved and then just memcopy
if (this->hasIndices()) {
for (int j = 0; j < args.fIndices.count(); ++j, ++indexOffset) {
*(indices + indexOffset) = args.fIndices[j] + vertexOffset;
}
}
for (int j = 0; j < args.fPositions.count(); ++j) {
*((SkPoint*)verts) = args.fPositions[j];
if (this->hasColors()) {
*(GrColor*)((intptr_t)verts + colorOffset) = args.fColors[j];
}
if (this->hasLocalCoords()) {
*(SkPoint*)((intptr_t)verts + texOffset) = args.fLocalCoords[j];
}
verts = (void*)((intptr_t)verts + vertexStride);
vertexOffset++;
}
}
GrVertices vertices;
if (this->hasIndices()) {
vertices.initIndexed(this->primitiveType(), vertexBuffer, indexBuffer, firstVertex,
firstIndex, this->vertexCount(), this->indexCount());
} else {
vertices.init(this->primitiveType(), vertexBuffer, firstVertex, this->vertexCount());
}
batchTarget->draw(vertices);
}
SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
private:
DrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType,
const SkMatrix& viewMatrix,
const SkPoint* positions, int vertexCount,
const uint16_t* indices, int indexCount,
const GrColor* colors, const SkPoint* localCoords, const SkRect& bounds) {
this->initClassID<DrawVerticesBatch>();
SkASSERT(positions);
fBatch.fViewMatrix = viewMatrix;
Geometry& installedGeo = fGeoData.push_back(geometry);
installedGeo.fPositions.append(vertexCount, positions);
if (indices) {
installedGeo.fIndices.append(indexCount, indices);
fBatch.fHasIndices = true;
} else {
fBatch.fHasIndices = false;
}
if (colors) {
installedGeo.fColors.append(vertexCount, colors);
fBatch.fHasColors = true;
} else {
fBatch.fHasColors = false;
}
if (localCoords) {
installedGeo.fLocalCoords.append(vertexCount, localCoords);
fBatch.fHasLocalCoords = true;
} else {
fBatch.fHasLocalCoords = false;
}
fBatch.fVertexCount = vertexCount;
fBatch.fIndexCount = indexCount;
fBatch.fPrimitiveType = primitiveType;
this->setBounds(bounds);
}
GrPrimitiveType primitiveType() const { return fBatch.fPrimitiveType; }
bool batchablePrimitiveType() const {
return kTriangles_GrPrimitiveType == fBatch.fPrimitiveType ||
kLines_GrPrimitiveType == fBatch.fPrimitiveType ||
kPoints_GrPrimitiveType == fBatch.fPrimitiveType;
}
GrColor color() const { return fBatch.fColor; }
bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
bool colorIgnored() const { return fBatch.fColorIgnored; }
const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; }
bool hasColors() const { return fBatch.fHasColors; }
bool hasIndices() const { return fBatch.fHasIndices; }
bool hasLocalCoords() const { return fBatch.fHasLocalCoords; }
int vertexCount() const { return fBatch.fVertexCount; }
int indexCount() const { return fBatch.fIndexCount; }
bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
bool onCombineIfPossible(GrBatch* t) override {
if (!this->pipeline()->isEqual(*t->pipeline())) {
return false;
}
DrawVerticesBatch* that = t->cast<DrawVerticesBatch>();
if (!this->batchablePrimitiveType() || this->primitiveType() != that->primitiveType()) {
return false;
}
SkASSERT(this->usesLocalCoords() == that->usesLocalCoords());
// We currently use a uniform viewmatrix for this batch
if (!this->viewMatrix().cheapEqualTo(that->viewMatrix())) {
return false;
}
if (this->hasColors() != that->hasColors()) {
return false;
}
if (this->hasIndices() != that->hasIndices()) {
return false;
}
if (this->hasLocalCoords() != that->hasLocalCoords()) {
return false;
}
if (!this->hasColors() && this->color() != that->color()) {
return false;
}
if (this->color() != that->color()) {
fBatch.fColor = GrColor_ILLEGAL;
}
fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin());
fBatch.fVertexCount += that->vertexCount();
fBatch.fIndexCount += that->indexCount();
this->joinBounds(that->bounds());
return true;
}
struct BatchTracker {
GrPrimitiveType fPrimitiveType;
SkMatrix fViewMatrix;
GrColor fColor;
bool fUsesLocalCoords;
bool fColorIgnored;
bool fCoverageIgnored;
bool fHasColors;
bool fHasIndices;
bool fHasLocalCoords;
int fVertexCount;
int fIndexCount;
};
BatchTracker fBatch;
SkSTArray<1, Geometry, true> fGeoData;
};
void GrDrawContext::drawVertices(GrRenderTarget* rt,
const GrClip& clip,
const GrPaint& paint,
@ -684,12 +407,12 @@ void GrDrawContext::drawVertices(GrRenderTarget* rt,
bounds.outset(0.5f, 0.5f);
}
DrawVerticesBatch::Geometry geometry;
GrDrawVerticesBatch::Geometry geometry;
geometry.fColor = paint.getColor();
SkAutoTUnref<GrBatch> batch(DrawVerticesBatch::Create(geometry, primitiveType, viewMatrix,
positions, vertexCount, indices,
indexCount, colors, texCoords,
bounds));
SkAutoTUnref<GrBatch> batch(GrDrawVerticesBatch::Create(geometry, primitiveType, viewMatrix,
positions, vertexCount, indices,
indexCount, colors, texCoords,
bounds));
fDrawTarget->drawBatch(pipelineBuilder, batch);
}
@ -1108,121 +831,3 @@ bool GrDrawContext::prepareToDraw(GrRenderTarget* rt) {
void GrDrawContext::drawBatch(GrPipelineBuilder* pipelineBuilder, GrBatch* batch) {
fDrawTarget->drawBatch(*pipelineBuilder, batch);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#ifdef GR_TEST_UTILS
static uint32_t seed_vertices(GrPrimitiveType type) {
switch (type) {
case kTriangles_GrPrimitiveType:
case kTriangleStrip_GrPrimitiveType:
case kTriangleFan_GrPrimitiveType:
return 3;
case kPoints_GrPrimitiveType:
return 1;
case kLines_GrPrimitiveType:
case kLineStrip_GrPrimitiveType:
return 2;
}
SkFAIL("Incomplete switch\n");
return 0;
}
static uint32_t primitive_vertices(GrPrimitiveType type) {
switch (type) {
case kTriangles_GrPrimitiveType:
return 3;
case kLines_GrPrimitiveType:
return 2;
case kTriangleStrip_GrPrimitiveType:
case kTriangleFan_GrPrimitiveType:
case kPoints_GrPrimitiveType:
case kLineStrip_GrPrimitiveType:
return 1;
}
SkFAIL("Incomplete switch\n");
return 0;
}
static SkPoint random_point(SkRandom* random, SkScalar min, SkScalar max) {
SkPoint p;
p.fX = random->nextRangeScalar(min, max);
p.fY = random->nextRangeScalar(min, max);
return p;
}
static void randomize_params(size_t count, size_t maxVertex, SkScalar min, SkScalar max,
SkRandom* random,
SkTArray<SkPoint>* positions,
SkTArray<SkPoint>* texCoords, bool hasTexCoords,
SkTArray<GrColor>* colors, bool hasColors,
SkTArray<uint16_t>* indices, bool hasIndices) {
for (uint32_t v = 0; v < count; v++) {
positions->push_back(random_point(random, min, max));
if (hasTexCoords) {
texCoords->push_back(random_point(random, min, max));
}
if (hasColors) {
colors->push_back(GrRandomColor(random));
}
if (hasIndices) {
SkASSERT(maxVertex <= SK_MaxU16);
indices->push_back(random->nextULessThan((uint16_t)maxVertex));
}
}
}
BATCH_TEST_DEFINE(VerticesBatch) {
GrPrimitiveType type = GrPrimitiveType(random->nextULessThan(kLast_GrPrimitiveType + 1));
uint32_t primitiveCount = random->nextRangeU(1, 100);
// TODO make 'sensible' indexbuffers
SkTArray<SkPoint> positions;
SkTArray<SkPoint> texCoords;
SkTArray<GrColor> colors;
SkTArray<uint16_t> indices;
bool hasTexCoords = random->nextBool();
bool hasIndices = random->nextBool();
bool hasColors = random->nextBool();
uint32_t vertexCount = seed_vertices(type) + (primitiveCount - 1) * primitive_vertices(type);
static const SkScalar kMinVertExtent = -100.f;
static const SkScalar kMaxVertExtent = 100.f;
randomize_params(seed_vertices(type), vertexCount, kMinVertExtent, kMaxVertExtent,
random,
&positions,
&texCoords, hasTexCoords,
&colors, hasColors,
&indices, hasIndices);
for (uint32_t i = 1; i < primitiveCount; i++) {
randomize_params(primitive_vertices(type), vertexCount, kMinVertExtent, kMaxVertExtent,
random,
&positions,
&texCoords, hasTexCoords,
&colors, hasColors,
&indices, hasIndices);
}
SkMatrix viewMatrix = GrTest::TestMatrix(random);
SkRect bounds;
SkDEBUGCODE(bool result = ) bounds.setBoundsCheck(positions.begin(), vertexCount);
SkASSERT(result);
viewMatrix.mapRect(&bounds);
DrawVerticesBatch::Geometry geometry;
geometry.fColor = GrRandomColor(random);
return DrawVerticesBatch::Create(geometry, type, viewMatrix,
positions.begin(), vertexCount,
indices.begin(), hasIndices ? vertexCount : 0,
colors.begin(),
texCoords.begin(),
bounds);
}
#endif

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@ -0,0 +1,348 @@
/*
* 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 "GrDrawVerticesBatch.h"
#include "GrBatchTarget.h"
#include "GrInvariantOutput.h"
#include "GrDefaultGeoProcFactory.h"
static const GrGeometryProcessor* set_vertex_attributes(bool hasLocalCoords,
bool hasColors,
int* colorOffset,
int* texOffset,
GrColor color,
const SkMatrix& viewMatrix,
bool coverageIgnored) {
using namespace GrDefaultGeoProcFactory;
*texOffset = -1;
*colorOffset = -1;
Color gpColor(color);
if (hasColors) {
gpColor.fType = Color::kAttribute_Type;
}
Coverage coverage(coverageIgnored ? Coverage::kNone_Type : Coverage::kSolid_Type);
LocalCoords localCoords(hasLocalCoords ? LocalCoords::kHasExplicit_Type :
LocalCoords::kUsePosition_Type);
if (hasLocalCoords && hasColors) {
*colorOffset = sizeof(SkPoint);
*texOffset = sizeof(SkPoint) + sizeof(GrColor);
} else if (hasLocalCoords) {
*texOffset = sizeof(SkPoint);
} else if (hasColors) {
*colorOffset = sizeof(SkPoint);
}
return GrDefaultGeoProcFactory::Create(gpColor, coverage, localCoords, viewMatrix);
}
GrDrawVerticesBatch::GrDrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType,
const SkMatrix& viewMatrix,
const SkPoint* positions, int vertexCount,
const uint16_t* indices, int indexCount,
const GrColor* colors, const SkPoint* localCoords,
const SkRect& bounds) {
this->initClassID<GrDrawVerticesBatch>();
SkASSERT(positions);
fBatch.fViewMatrix = viewMatrix;
Geometry& installedGeo = fGeoData.push_back(geometry);
installedGeo.fPositions.append(vertexCount, positions);
if (indices) {
installedGeo.fIndices.append(indexCount, indices);
fBatch.fHasIndices = true;
} else {
fBatch.fHasIndices = false;
}
if (colors) {
installedGeo.fColors.append(vertexCount, colors);
fBatch.fHasColors = true;
} else {
fBatch.fHasColors = false;
}
if (localCoords) {
installedGeo.fLocalCoords.append(vertexCount, localCoords);
fBatch.fHasLocalCoords = true;
} else {
fBatch.fHasLocalCoords = false;
}
fBatch.fVertexCount = vertexCount;
fBatch.fIndexCount = indexCount;
fBatch.fPrimitiveType = primitiveType;
this->setBounds(bounds);
}
void GrDrawVerticesBatch::getInvariantOutputColor(GrInitInvariantOutput* out) const {
// When this is called on a batch, there is only one geometry bundle
if (this->hasColors()) {
out->setUnknownFourComponents();
} else {
out->setKnownFourComponents(fGeoData[0].fColor);
}
}
void GrDrawVerticesBatch::getInvariantOutputCoverage(GrInitInvariantOutput* out) const {
out->setKnownSingleComponent(0xff);
}
void GrDrawVerticesBatch::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();
}
void GrDrawVerticesBatch::generateGeometry(GrBatchTarget* batchTarget) {
int colorOffset = -1, texOffset = -1;
SkAutoTUnref<const GrGeometryProcessor> gp(
set_vertex_attributes(this->hasLocalCoords(), this->hasColors(), &colorOffset,
&texOffset, this->color(), this->viewMatrix(),
this->coverageIgnored()));
batchTarget->initDraw(gp, this->pipeline());
size_t vertexStride = gp->getVertexStride();
SkASSERT(vertexStride == sizeof(SkPoint) + (this->hasLocalCoords() ? sizeof(SkPoint) : 0)
+ (this->hasColors() ? sizeof(GrColor) : 0));
int instanceCount = fGeoData.count();
const GrVertexBuffer* vertexBuffer;
int firstVertex;
void* verts = batchTarget->makeVertSpace(vertexStride, this->vertexCount(),
&vertexBuffer, &firstVertex);
if (!verts) {
SkDebugf("Could not allocate vertices\n");
return;
}
const GrIndexBuffer* indexBuffer = NULL;
int firstIndex = 0;
uint16_t* indices = NULL;
if (this->hasIndices()) {
indices = batchTarget->makeIndexSpace(this->indexCount(), &indexBuffer, &firstIndex);
if (!indices) {
SkDebugf("Could not allocate indices\n");
return;
}
}
int indexOffset = 0;
int vertexOffset = 0;
for (int i = 0; i < instanceCount; i++) {
const Geometry& args = fGeoData[i];
// TODO we can actually cache this interleaved and then just memcopy
if (this->hasIndices()) {
for (int j = 0; j < args.fIndices.count(); ++j, ++indexOffset) {
*(indices + indexOffset) = args.fIndices[j] + vertexOffset;
}
}
for (int j = 0; j < args.fPositions.count(); ++j) {
*((SkPoint*)verts) = args.fPositions[j];
if (this->hasColors()) {
*(GrColor*)((intptr_t)verts + colorOffset) = args.fColors[j];
}
if (this->hasLocalCoords()) {
*(SkPoint*)((intptr_t)verts + texOffset) = args.fLocalCoords[j];
}
verts = (void*)((intptr_t)verts + vertexStride);
vertexOffset++;
}
}
GrVertices vertices;
if (this->hasIndices()) {
vertices.initIndexed(this->primitiveType(), vertexBuffer, indexBuffer, firstVertex,
firstIndex, this->vertexCount(), this->indexCount());
} else {
vertices.init(this->primitiveType(), vertexBuffer, firstVertex, this->vertexCount());
}
batchTarget->draw(vertices);
}
bool GrDrawVerticesBatch::onCombineIfPossible(GrBatch* t) {
if (!this->pipeline()->isEqual(*t->pipeline())) {
return false;
}
GrDrawVerticesBatch* that = t->cast<GrDrawVerticesBatch>();
if (!this->batchablePrimitiveType() || this->primitiveType() != that->primitiveType()) {
return false;
}
SkASSERT(this->usesLocalCoords() == that->usesLocalCoords());
// We currently use a uniform viewmatrix for this batch
if (!this->viewMatrix().cheapEqualTo(that->viewMatrix())) {
return false;
}
if (this->hasColors() != that->hasColors()) {
return false;
}
if (this->hasIndices() != that->hasIndices()) {
return false;
}
if (this->hasLocalCoords() != that->hasLocalCoords()) {
return false;
}
if (!this->hasColors() && this->color() != that->color()) {
return false;
}
if (this->color() != that->color()) {
fBatch.fColor = GrColor_ILLEGAL;
}
fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin());
fBatch.fVertexCount += that->vertexCount();
fBatch.fIndexCount += that->indexCount();
this->joinBounds(that->bounds());
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#ifdef GR_TEST_UTILS
#include "GrBatchTest.h"
static uint32_t seed_vertices(GrPrimitiveType type) {
switch (type) {
case kTriangles_GrPrimitiveType:
case kTriangleStrip_GrPrimitiveType:
case kTriangleFan_GrPrimitiveType:
return 3;
case kPoints_GrPrimitiveType:
return 1;
case kLines_GrPrimitiveType:
case kLineStrip_GrPrimitiveType:
return 2;
}
SkFAIL("Incomplete switch\n");
return 0;
}
static uint32_t primitive_vertices(GrPrimitiveType type) {
switch (type) {
case kTriangles_GrPrimitiveType:
return 3;
case kLines_GrPrimitiveType:
return 2;
case kTriangleStrip_GrPrimitiveType:
case kTriangleFan_GrPrimitiveType:
case kPoints_GrPrimitiveType:
case kLineStrip_GrPrimitiveType:
return 1;
}
SkFAIL("Incomplete switch\n");
return 0;
}
static SkPoint random_point(SkRandom* random, SkScalar min, SkScalar max) {
SkPoint p;
p.fX = random->nextRangeScalar(min, max);
p.fY = random->nextRangeScalar(min, max);
return p;
}
static void randomize_params(size_t count, size_t maxVertex, SkScalar min, SkScalar max,
SkRandom* random,
SkTArray<SkPoint>* positions,
SkTArray<SkPoint>* texCoords, bool hasTexCoords,
SkTArray<GrColor>* colors, bool hasColors,
SkTArray<uint16_t>* indices, bool hasIndices) {
for (uint32_t v = 0; v < count; v++) {
positions->push_back(random_point(random, min, max));
if (hasTexCoords) {
texCoords->push_back(random_point(random, min, max));
}
if (hasColors) {
colors->push_back(GrRandomColor(random));
}
if (hasIndices) {
SkASSERT(maxVertex <= SK_MaxU16);
indices->push_back(random->nextULessThan((uint16_t)maxVertex));
}
}
}
BATCH_TEST_DEFINE(VerticesBatch) {
GrPrimitiveType type = GrPrimitiveType(random->nextULessThan(kLast_GrPrimitiveType + 1));
uint32_t primitiveCount = random->nextRangeU(1, 100);
// TODO make 'sensible' indexbuffers
SkTArray<SkPoint> positions;
SkTArray<SkPoint> texCoords;
SkTArray<GrColor> colors;
SkTArray<uint16_t> indices;
bool hasTexCoords = random->nextBool();
bool hasIndices = random->nextBool();
bool hasColors = random->nextBool();
uint32_t vertexCount = seed_vertices(type) + (primitiveCount - 1) * primitive_vertices(type);
static const SkScalar kMinVertExtent = -100.f;
static const SkScalar kMaxVertExtent = 100.f;
randomize_params(seed_vertices(type), vertexCount, kMinVertExtent, kMaxVertExtent,
random,
&positions,
&texCoords, hasTexCoords,
&colors, hasColors,
&indices, hasIndices);
for (uint32_t i = 1; i < primitiveCount; i++) {
randomize_params(primitive_vertices(type), vertexCount, kMinVertExtent, kMaxVertExtent,
random,
&positions,
&texCoords, hasTexCoords,
&colors, hasColors,
&indices, hasIndices);
}
SkMatrix viewMatrix = GrTest::TestMatrix(random);
SkRect bounds;
SkDEBUGCODE(bool result = ) bounds.setBoundsCheck(positions.begin(), vertexCount);
SkASSERT(result);
viewMatrix.mapRect(&bounds);
GrDrawVerticesBatch::Geometry geometry;
geometry.fColor = GrRandomColor(random);
return GrDrawVerticesBatch::Create(geometry, type, viewMatrix,
positions.begin(), vertexCount,
indices.begin(), hasIndices ? vertexCount : 0,
colors.begin(),
texCoords.begin(),
bounds);
}
#endif

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@ -0,0 +1,99 @@
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrDrawVerticesBatch_DEFINED
#define GrDrawVerticesBatch_DEFINED
#include "GrBatch.h"
#include "GrColor.h"
#include "GrTypes.h"
#include "SkMatrix.h"
#include "SkRect.h"
#include "SkTDArray.h"
class GrBatch;
class GrBatchTarget;
struct GrInitInvariantOutput;
class GrDrawVerticesBatch : public GrBatch {
public:
struct Geometry {
GrColor fColor;
SkTDArray<SkPoint> fPositions;
SkTDArray<uint16_t> fIndices;
SkTDArray<GrColor> fColors;
SkTDArray<SkPoint> fLocalCoords;
};
static GrBatch* Create(const Geometry& geometry, GrPrimitiveType primitiveType,
const SkMatrix& viewMatrix,
const SkPoint* positions, int vertexCount,
const uint16_t* indices, int indexCount,
const GrColor* colors, const SkPoint* localCoords,
const SkRect& bounds) {
return SkNEW_ARGS(GrDrawVerticesBatch, (geometry, primitiveType, viewMatrix, positions,
vertexCount, indices, indexCount, colors,
localCoords, bounds));
}
const char* name() const override { return "DrawVerticesBatch"; }
void getInvariantOutputColor(GrInitInvariantOutput* out) const override;
void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override;
void initBatchTracker(const GrPipelineInfo& init) override;
void generateGeometry(GrBatchTarget* batchTarget) override;
SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
private:
GrDrawVerticesBatch(const Geometry& geometry, GrPrimitiveType primitiveType,
const SkMatrix& viewMatrix,
const SkPoint* positions, int vertexCount,
const uint16_t* indices, int indexCount,
const GrColor* colors, const SkPoint* localCoords, const SkRect& bounds);
GrPrimitiveType primitiveType() const { return fBatch.fPrimitiveType; }
bool batchablePrimitiveType() const {
return kTriangles_GrPrimitiveType == fBatch.fPrimitiveType ||
kLines_GrPrimitiveType == fBatch.fPrimitiveType ||
kPoints_GrPrimitiveType == fBatch.fPrimitiveType;
}
GrColor color() const { return fBatch.fColor; }
bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
bool colorIgnored() const { return fBatch.fColorIgnored; }
const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; }
bool hasColors() const { return fBatch.fHasColors; }
bool hasIndices() const { return fBatch.fHasIndices; }
bool hasLocalCoords() const { return fBatch.fHasLocalCoords; }
int vertexCount() const { return fBatch.fVertexCount; }
int indexCount() const { return fBatch.fIndexCount; }
bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
bool onCombineIfPossible(GrBatch* t) override;
struct BatchTracker {
GrPrimitiveType fPrimitiveType;
SkMatrix fViewMatrix;
GrColor fColor;
bool fUsesLocalCoords;
bool fColorIgnored;
bool fCoverageIgnored;
bool fHasColors;
bool fHasIndices;
bool fHasLocalCoords;
int fVertexCount;
int fIndexCount;
};
BatchTracker fBatch;
SkSTArray<1, Geometry, true> fGeoData;
};
#endif