AuroraMiddleware/skia2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add IndexType parameter to GrDrawTarget::drawPaths

Browse Source 
Allows the caller to decide whether they sent 8, 16, or 32 bit path
indices.

BUG=skia:

Review URL: https://codereview.chromium.org/746253003
This commit is contained in:
cdalton 2014-11-25 11:00:56 -08:00 committed by Commit bot
parent b116619028
commit 55b24afc17
13 changed files with 152 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/gpu/GrDrawTarget.cpp
View File

@ -617,15 +617,17 @@ void GrDrawTarget::drawPath(GrDrawState* ds,
void GrDrawTarget::drawPaths(GrDrawState* ds,
const GrPathRange* pathRange,
const uint32_t indices[],
const void* indices,
PathIndexType indexType,
const float transformValues[],
PathTransformType transformType,
int count,
const float transforms[],
PathTransformType transformsType,
GrPathRendering::FillType fill) {
SkASSERT(this->caps()->pathRenderingSupport());
SkASSERT(pathRange);
SkASSERT(indices);
SkASSERT(transforms);
SkASSERT(0 == reinterpret_cast<long>(indices) % GrPathRange::PathIndexSizeInBytes(indexType));
SkASSERT(transformValues);
SkASSERT(ds);
// Setup clip
@ -652,8 +654,8 @@ void GrDrawTarget::drawPaths(GrDrawState* ds,
return;
}
this->onDrawPaths(*ds, pathRange, indices, count, transforms, transformsType, scissorState,
stencilSettings, dstCopy.texture() ? &dstCopy : NULL);
this->onDrawPaths(*ds, pathRange, indices, indexType, transformValues, transformType, count,
scissorState, stencilSettings, dstCopy.texture() ? &dstCopy : NULL);
}
void GrDrawTarget::clear(const SkIRect* rect,

34
src/gpu/GrDrawTarget.h
View File

@ -35,7 +35,8 @@ class GrDrawTarget : public SkRefCnt {
public:
SK_DECLARE_INST_COUNT(GrDrawTarget)
typedef GrPathRendering::PathTransformType PathTransformType ;
typedef GrPathRange::PathIndexType PathIndexType;
typedef GrPathRendering::PathTransformType PathTransformType;
///////////////////////////////////////////////////////////////////////////
@ -279,22 +280,24 @@ public:
void drawPath(GrDrawState*, const GrPath*, GrPathRendering::FillType fill);
/**
* Draws many paths. It will respect the HW
* antialias flag on the draw state (if possible in the 3D API).
* Draws the aggregate path from combining multiple. Note that this will not
* always be equivalent to back-to-back calls to drawPath(). It will respect
* the HW antialias flag on the draw state (if possible in the 3D API).
*
* @param pathRange Source of paths to draw from
* @param indices Array of indices into the the pathRange
* @param count Number of paths to draw (length of indices array)
* @param transforms Array of individual transforms, one for each path
* @param transformsType Type of transformations in the array. Array contains
PathTransformSize(transformsType) * count elements
* @param pathRange Source paths to draw from
* @param indices Array of path indices to draw
* @param indexType Data type of the array elements in indexBuffer
* @param transformValues Array of transforms for the individual paths
* @param transformType Type of transforms in transformBuffer
* @param count Number of paths to draw
* @param fill Fill type for drawing all the paths
*/
void drawPaths(GrDrawState*, const GrPathRange* pathRange,
const uint32_t indices[],
const void* indices,
PathIndexType indexType,
const float transformValues[],
PathTransformType transformType,
int count,
const float transforms[],
PathTransformType transformsType,
GrPathRendering::FillType fill);
/**
@ -704,10 +707,11 @@ private:
const GrDeviceCoordTexture* dstCopy) = 0;
virtual void onDrawPaths(const GrDrawState&,
const GrPathRange*,
const uint32_t indices[],
int count,
const float transforms[],
const void* indices,
PathIndexType,
const float transformValues[],
PathTransformType,
int count,
const GrClipMaskManager::ScissorState&,
const GrStencilSettings&,
const GrDeviceCoordTexture*) = 0;

13
src/gpu/GrGpu.cpp
View File

@ -317,10 +317,11 @@ void GrGpu::drawPath(const GrOptDrawState& ds,
void GrGpu::drawPaths(const GrOptDrawState& ds,
const GrPathRange* pathRange,
const uint32_t indices[],
const void* indices,
GrDrawTarget::PathIndexType indexType,
const float transformValues[],
GrDrawTarget::PathTransformType transformType,
int count,
const float transforms[],
GrDrawTarget::PathTransformType transformsType,
const GrStencilSettings& stencilSettings) {
this->handleDirtyContext();
@ -328,7 +329,7 @@ void GrGpu::drawPaths(const GrOptDrawState& ds,
return;
}
pathRange->willDrawPaths(indices, count);
this->pathRendering()->drawPaths(pathRange, indices, count, transforms, transformsType,
stencilSettings);
pathRange->willDrawPaths(indices, indexType, count);
this->pathRendering()->drawPaths(pathRange, indices, indexType, transformValues,
transformType, count, stencilSettings);
}

7
src/gpu/GrGpu.h
View File

@ -365,10 +365,11 @@ public:
const GrStencilSettings&);
virtual void drawPaths(const GrOptDrawState&,
const GrPathRange*,
const uint32_t indices[],
int count,
const float transforms[],
const void* indices,
GrDrawTarget::PathIndexType,
const float transformValues[],
GrDrawTarget::PathTransformType,
int count,
const GrStencilSettings&);
static DrawType PrimTypeToDrawType(GrPrimitiveType type) {

37
src/gpu/GrInOrderDrawBuffer.cpp
View File

@ -324,24 +324,33 @@ void GrInOrderDrawBuffer::onDrawPath(const GrDrawState& ds,
void GrInOrderDrawBuffer::onDrawPaths(const GrDrawState& ds,
const GrPathRange* pathRange,
const uint32_t indices[],
const void* indices,
PathIndexType indexType,
const float transformValues[],
PathTransformType transformType,
int count,
const float transforms[],
PathTransformType transformsType,
const GrClipMaskManager::ScissorState& scissorState,
const GrStencilSettings& stencilSettings,
const GrDeviceCoordTexture* dstCopy) {
SkASSERT(pathRange);
SkASSERT(indices);
SkASSERT(transforms);
SkASSERT(transformValues);
if (!this->recordStateAndShouldDraw(ds, GrGpu::kDrawPath_DrawType, scissorState, dstCopy)) {
return;
}
uint32_t* savedIndices = fPathIndexBuffer.append(count, indices);
float* savedTransforms = fPathTransformBuffer.append(count *
GrPathRendering::PathTransformSize(transformsType), transforms);
int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType);
if (int misalign = fPathIndexBuffer.count() % indexBytes) {
// Add padding to the index buffer so the indices are aligned properly.
fPathIndexBuffer.append(indexBytes - misalign);
}
char* savedIndices = fPathIndexBuffer.append(count * indexBytes,
reinterpret_cast<const char*>(indices));
float* savedTransforms = fPathTransformBuffer.append(
count * GrPathRendering::PathTransformSize(transformType),
transformValues);
if (kDrawPaths_Cmd == strip_trace_bit(fCmdBuffer.back().fType)) {
// The previous command was also DrawPaths. Try to collapse this call into the one
@ -353,7 +362,8 @@ void GrInOrderDrawBuffer::onDrawPaths(const GrDrawState& ds,
// font tend to all wind in the same direction.
DrawPaths* previous = static_cast<DrawPaths*>(&fCmdBuffer.back());
if (pathRange == previous->pathRange() &&
transformsType == previous->fTransformsType &&
indexType == previous->fIndexType &&
transformType == previous->fTransformType &&
stencilSettings == previous->fStencilSettings &&
path_fill_type_is_winding(stencilSettings) &&
!ds.willBlendWithDst()) {
@ -365,9 +375,10 @@ void GrInOrderDrawBuffer::onDrawPaths(const GrDrawState& ds,
DrawPaths* dp = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, DrawPaths, (pathRange));
dp->fIndicesLocation = savedIndices - fPathIndexBuffer.begin();
dp->fCount = count;
dp->fIndexType = indexType;
dp->fTransformsLocation = savedTransforms - fPathTransformBuffer.begin();
dp->fTransformsType = transformsType;
dp->fTransformType = transformType;
dp->fCount = count;
dp->fStencilSettings = stencilSettings;
this->recordTraceMarkersIfNecessary();
@ -522,9 +533,9 @@ void GrInOrderDrawBuffer::DrawPaths::execute(GrInOrderDrawBuffer* buf,
const GrOptDrawState* optState) {
SkASSERT(optState);
buf->fDstGpu->drawPaths(*optState, this->pathRange(),
&buf->fPathIndexBuffer[fIndicesLocation], fCount,
&buf->fPathTransformBuffer[fTransformsLocation], fTransformsType,
fStencilSettings);
&buf->fPathIndexBuffer[fIndicesLocation], fIndexType,
&buf->fPathTransformBuffer[fTransformsLocation], fTransformType,
fCount, fStencilSettings);
}
void GrInOrderDrawBuffer::SetState::execute(GrInOrderDrawBuffer*, const GrOptDrawState*) {}

18
src/gpu/GrInOrderDrawBuffer.h
View File

@ -157,9 +157,10 @@ private:
void execute(GrInOrderDrawBuffer*, const GrOptDrawState*) SK_OVERRIDE;
int fIndicesLocation;
size_t fCount;
PathIndexType fIndexType;
int fTransformsLocation;
PathTransformType fTransformsType;
PathTransformType fTransformType;
int fCount;
GrStencilSettings fStencilSettings;
private:
@ -249,10 +250,11 @@ private:
const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE;
void onDrawPaths(const GrDrawState&,
const GrPathRange*,
const uint32_t indices[],
int count,
const float transforms[],
const void* indices,
PathIndexType,
const float transformValues[],
PathTransformType,
int count,
const ScissorState&,
const GrStencilSettings&,
const GrDeviceCoordTexture*) SK_OVERRIDE;
@ -293,8 +295,8 @@ private:
// TODO: Use a single allocator for commands and records
enum {
kCmdBufferInitialSizeInBytes = 8 * 1024,
kPathIdxBufferMinReserve = 64,
kPathXformBufferMinReserve = 2 * kPathIdxBufferMinReserve,
kPathIdxBufferMinReserve = 2 * 64, // 64 uint16_t's
kPathXformBufferMinReserve = 2 * 64, // 64 two-float transforms
kGeoPoolStatePreAllocCnt = 4,
};
@ -318,7 +320,7 @@ private:
GrGpu* fDstGpu;
GrVertexBufferAllocPool& fVertexPool;
GrIndexBufferAllocPool& fIndexPool;
SkTDArray<uint32_t> fPathIndexBuffer;
SkTDArray<char> fPathIndexBuffer;
SkTDArray<float> fPathTransformBuffer;
GeoPoolStateStack fGeoPoolStateStack;
bool fFlushing;

20
src/gpu/GrPathRange.cpp
View File

@ -32,17 +32,29 @@ GrPathRange::GrPathRange(GrGpu* gpu,
fStroke(stroke) {
}
void GrPathRange::willDrawPaths(const uint32_t indices[], int count) const {
if (NULL == fPathGenerator.get()) {
void GrPathRange::willDrawPaths(const void* indices, PathIndexType indexType, int count) const {
if (!fPathGenerator) {
return;
}
switch (indexType) {
case kU8_PathIndexType: return this->willDrawPaths<uint8_t>(indices, count);
case kU16_PathIndexType: return this->willDrawPaths<uint16_t>(indices, count);
case kU32_PathIndexType: return this->willDrawPaths<uint32_t>(indices, count);
default: SkFAIL("Unknown path index type");
}
}
template<typename IndexType> void GrPathRange::willDrawPaths(const void* indices, int count) const {
SkASSERT(fPathGenerator);
const IndexType* indexArray = reinterpret_cast<const IndexType*>(indices);
bool didLoadPaths = false;
for (int i = 0; i < count; ++i) {
SkASSERT(indices[i] < static_cast<uint32_t>(fNumPaths));
SkASSERT(indexArray[i] < static_cast<uint32_t>(fNumPaths));
const int groupIndex = indices[i] / kPathsPerGroup;
const int groupIndex = indexArray[i] / kPathsPerGroup;
const int groupByte = groupIndex / 8;
const uint8_t groupBit = 1 << (groupIndex % 8);

20
src/gpu/GrPathRange.h
View File

@ -36,6 +36,23 @@ public:
return type;
}
enum PathIndexType {
kU8_PathIndexType, //!< uint8_t
kU16_PathIndexType, //!< uint16_t
kU32_PathIndexType, //!< uint32_t
kLast_PathIndexType = kU32_PathIndexType
};
static inline int PathIndexSizeInBytes(PathIndexType type) {
GR_STATIC_ASSERT(0 == kU8_PathIndexType);
GR_STATIC_ASSERT(1 == kU16_PathIndexType);
GR_STATIC_ASSERT(2 == kU32_PathIndexType);
GR_STATIC_ASSERT(kU32_PathIndexType == kLast_PathIndexType);
return 1 << type;
}
/**
* Class that generates the paths for a specific range.
*/
@ -76,7 +93,8 @@ protected:
private:
// Notify when paths will be drawn in case this is a lazy-loaded path range.
friend class GrGpu;
void willDrawPaths(const uint32_t indices[], int count) const;
void willDrawPaths(const void* indices, PathIndexType, int count) const;
template<typename IndexType> void willDrawPaths(const void* indices, int count) const;
mutable SkAutoTUnref<PathGenerator> fPathGenerator;
mutable SkTArray<uint8_t, true /*MEM_COPY*/> fGeneratedPaths;

28
src/gpu/GrPathRendering.h
View File

@ -34,17 +34,7 @@ class GrPathRendering {
public:
virtual ~GrPathRendering() { }
// No native support for inverse at this time
enum FillType {
/** Specifies that "inside" is computed by a non-zero sum of signed
edge crossings
*/
kWinding_FillType,
/** Specifies that "inside" is computed by an odd number of edge
crossings
*/
kEvenOdd_FillType,
};
typedef GrPathRange::PathIndexType PathIndexType;
enum PathTransformType {
kNone_PathTransformType, //!< []
@ -74,6 +64,18 @@ public:
}
}
// No native support for inverse at this time
enum FillType {
/** Specifies that "inside" is computed by a non-zero sum of signed
edge crossings
*/
kWinding_FillType,
/** Specifies that "inside" is computed by an odd number of edge
crossings
*/
kEvenOdd_FillType,
};
/**
* Creates a new gpu path, based on the specified path and stroke and returns it.
* The caller owns a ref on the returned path which must be balanced by a call to unref.
@ -126,8 +128,8 @@ public:
virtual void stencilPath(const GrPath*, const GrStencilSettings&) = 0;
virtual void drawPath(const GrPath*, const GrStencilSettings&) = 0;
virtual void drawPaths(const GrPathRange*, const uint32_t indices[], int count,
const float transforms[], PathTransformType,
virtual void drawPaths(const GrPathRange*, const void* indices, PathIndexType,
const float transformValues[], PathTransformType, int count,
const GrStencilSettings&) = 0;
protected:
GrPathRendering() { }

6
src/gpu/GrStencilAndCoverTextContext.cpp
View File

@ -367,9 +367,9 @@ void GrStencilAndCoverTextContext::flush() {
return;
}
fDrawTarget->drawPaths(&fDrawState, fGlyphs, fIndexBuffer, fPendingGlyphCount, fTransformBuffer,
GrPathRendering::kTranslate_PathTransformType,
GrPathRendering::kWinding_FillType);
fDrawTarget->drawPaths(&fDrawState, fGlyphs, fIndexBuffer, GrPathRange::kU16_PathIndexType,
fTransformBuffer, GrPathRendering::kTranslate_PathTransformType,
fPendingGlyphCount, GrPathRendering::kWinding_FillType);
fPendingGlyphCount = 0;
}

2
src/gpu/GrStencilAndCoverTextContext.h
View File

@ -57,7 +57,7 @@ private:
float fTextInverseRatio;
SkGlyphCache* fGlyphCache;
GrPathRange* fGlyphs;
uint32_t fIndexBuffer[kGlyphBufferSize];
uint16_t fIndexBuffer[kGlyphBufferSize];
float fTransformBuffer[2 * kGlyphBufferSize];
int fPendingGlyphCount;
SkMatrix fContextInitialMatrix;

35
src/gpu/gl/GrGLPathRendering.cpp
View File

@ -21,6 +21,17 @@
#define GL_CALL_RET(RET, X) GR_GL_CALL_RET(fGpu->glInterface(), RET, X)
static const GrGLenum gIndexType2GLType[] = {
GR_GL_UNSIGNED_BYTE,
GR_GL_UNSIGNED_SHORT,
GR_GL_UNSIGNED_INT
};
GR_STATIC_ASSERT(0 == GrPathRange::kU8_PathIndexType);
GR_STATIC_ASSERT(1 == GrPathRange::kU16_PathIndexType);
GR_STATIC_ASSERT(2 == GrPathRange::kU32_PathIndexType);
GR_STATIC_ASSERT(GrPathRange::kU32_PathIndexType == GrPathRange::kLast_PathIndexType);
static const GrGLenum gXformType2GLType[] = {
GR_GL_NONE,
GR_GL_TRANSLATE_X,
@ -194,9 +205,10 @@ void GrGLPathRendering::drawPath(const GrPath* path, const GrStencilSettings& st
}
}
void GrGLPathRendering::drawPaths(const GrPathRange* pathRange, const uint32_t indices[], int count,
const float transforms[], PathTransformType transformsType,
const GrStencilSettings& stencilSettings) {
void GrGLPathRendering::drawPaths(const GrPathRange* pathRange,
const void* indices, PathIndexType indexType,
const float transformValues[], PathTransformType transformType,
int count, const GrStencilSettings& stencilSettings) {
SkASSERT(fGpu->caps()->pathRenderingSupport());
GrGLuint baseID = static_cast<const GrGLPathRange*>(pathRange)->basePathID();
@ -215,19 +227,18 @@ void GrGLPathRendering::drawPaths(const GrPathRange* pathRange, const uint32_t i
if (stroke.needToApply()) {
if (SkStrokeRec::kStrokeAndFill_Style == stroke.getStyle()) {
GL_CALL(StencilFillPathInstanced(
count, GR_GL_UNSIGNED_INT, indices, baseID, fillMode,
writeMask, gXformType2GLType[transformsType],
transforms));
count, gIndexType2GLType[indexType], indices, baseID, fillMode,
writeMask, gXformType2GLType[transformType], transformValues));
}
this->stencilThenCoverStrokePathInstanced(
count, GR_GL_UNSIGNED_INT, indices, baseID, 0xffff, writeMask,
GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES,
gXformType2GLType[transformsType], transforms);
count, gIndexType2GLType[indexType], indices, baseID,
0xffff, writeMask, GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES,
gXformType2GLType[transformType], transformValues);
} else {
this->stencilThenCoverFillPathInstanced(
count, GR_GL_UNSIGNED_INT, indices, baseID, fillMode, writeMask,
GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES,
gXformType2GLType[transformsType], transforms);
count, gIndexType2GLType[indexType], indices, baseID,
fillMode, writeMask, GR_GL_BOUNDING_BOX_OF_BOUNDING_BOXES,
gXformType2GLType[transformType], transformValues);
}
}

4
src/gpu/gl/GrGLPathRendering.h
View File

@ -41,8 +41,8 @@ public:
const SkStrokeRec&) SK_OVERRIDE;
virtual void stencilPath(const GrPath*, const GrStencilSettings&) SK_OVERRIDE;
virtual void drawPath(const GrPath*, const GrStencilSettings&) SK_OVERRIDE;
virtual void drawPaths(const GrPathRange*, const uint32_t indices[], int count,
const float transforms[], PathTransformType,
virtual void drawPaths(const GrPathRange*, const void* indices, PathIndexType,
const float transformValues[], PathTransformType, int count,
const GrStencilSettings&) SK_OVERRIDE;
/* Called when the 3D context state is unknown. */