本文整理汇总了C++中DrawInfo::isIndexed方法的典型用法代码示例。如果您正苦于以下问题:C++ DrawInfo::isIndexed方法的具体用法?C++ DrawInfo::isIndexed怎么用?C++ DrawInfo::isIndexed使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DrawInfo
的用法示例。
在下文中一共展示了DrawInfo::isIndexed方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: onDraw
void GrInOrderDrawBuffer::onDraw(const DrawInfo& info) {
GeometryPoolState& poolState = fGeoPoolStateStack.back();
const GrDrawState& drawState = this->getDrawState();
AutoClipReenable acr;
if (drawState.isClipState() &&
info.getDevBounds() &&
this->quickInsideClip(*info.getDevBounds())) {
acr.set(this->drawState());
}
this->recordClipIfNecessary();
this->recordStateIfNecessary();
const GrVertexBuffer* vb;
if (kBuffer_GeometrySrcType == this->getGeomSrc().fVertexSrc) {
vb = this->getGeomSrc().fVertexBuffer;
} else {
vb = poolState.fPoolVertexBuffer;
}
const GrIndexBuffer* ib = NULL;
if (info.isIndexed()) {
if (kBuffer_GeometrySrcType == this->getGeomSrc().fIndexSrc) {
ib = this->getGeomSrc().fIndexBuffer;
} else {
ib = poolState.fPoolIndexBuffer;
}
}
Draw* draw;
if (info.isInstanced()) {
int instancesConcated = this->concatInstancedDraw(info);
if (info.instanceCount() > instancesConcated) {
draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info, vb, ib));
draw->fInfo.adjustInstanceCount(-instancesConcated);
} else {
return;
}
} else {
draw = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, Draw, (info, vb, ib));
}
this->recordTraceMarkersIfNecessary();
// Adjust the starting vertex and index when we are using reserved or array sources to
// compensate for the fact that the data was inserted into a larger vb/ib owned by the pool.
if (kBuffer_GeometrySrcType != this->getGeomSrc().fVertexSrc) {
size_t bytes = (info.vertexCount() + info.startVertex()) * drawState.getVertexStride();
poolState.fUsedPoolVertexBytes = SkTMax(poolState.fUsedPoolVertexBytes, bytes);
draw->fInfo.adjustStartVertex(poolState.fPoolStartVertex);
}
if (info.isIndexed() && kBuffer_GeometrySrcType != this->getGeomSrc().fIndexSrc) {
size_t bytes = (info.indexCount() + info.startIndex()) * sizeof(uint16_t);
poolState.fUsedPoolIndexBytes = SkTMax(poolState.fUsedPoolIndexBytes, bytes);
draw->fInfo.adjustStartIndex(poolState.fPoolStartIndex);
}
}
示例2: setupGeometry
void GrGpuGL::setupGeometry(const DrawInfo& info, int* startIndexOffset) {
int newColorOffset;
int newCoverageOffset;
int newTexCoordOffsets[GrDrawState::kMaxTexCoords];
int newEdgeOffset;
GrVertexLayout currLayout = this->getVertexLayout();
GrGLsizei newStride = GrDrawState::VertexSizeAndOffsetsByIdx(currLayout,
newTexCoordOffsets,
&newColorOffset,
&newCoverageOffset,
&newEdgeOffset);
int oldColorOffset;
int oldCoverageOffset;
int oldTexCoordOffsets[GrDrawState::kMaxTexCoords];
int oldEdgeOffset;
GrGLsizei oldStride = GrDrawState::VertexSizeAndOffsetsByIdx(fHWGeometryState.fVertexLayout,
oldTexCoordOffsets,
&oldColorOffset,
&oldCoverageOffset,
&oldEdgeOffset);
int extraVertexOffset;
this->setBuffers(info.isIndexed(), &extraVertexOffset, startIndexOffset);
GrGLenum scalarType;
bool texCoordNorm;
if (currLayout & GrDrawState::kTextFormat_VertexLayoutBit) {
scalarType = TEXT_COORDS_GL_TYPE;
texCoordNorm = SkToBool(TEXT_COORDS_ARE_NORMALIZED);
} else {
scalarType = GR_GL_FLOAT;
texCoordNorm = false;
}
size_t vertexOffset = (info.startVertex() + extraVertexOffset) * newStride;
// all the Pointers must be set if any of these are true
bool allOffsetsChange = fHWGeometryState.fArrayPtrsDirty ||
vertexOffset != fHWGeometryState.fVertexOffset ||
newStride != oldStride;
// position and tex coord offsets change if above conditions are true
// or the type/normalization changed based on text vs nontext type coords.
bool posAndTexChange = allOffsetsChange ||
(((TEXT_COORDS_GL_TYPE != GR_GL_FLOAT) || TEXT_COORDS_ARE_NORMALIZED) &&
(GrDrawState::kTextFormat_VertexLayoutBit &
(fHWGeometryState.fVertexLayout ^ currLayout)));
if (posAndTexChange) {
int idx = GrGLProgram::PositionAttributeIdx();
GL_CALL(VertexAttribPointer(idx, 2, scalarType, false, newStride,
(GrGLvoid*)vertexOffset));
fHWGeometryState.fVertexOffset = vertexOffset;
}
for (int t = 0; t < GrDrawState::kMaxTexCoords; ++t) {
if (newTexCoordOffsets[t] > 0) {
GrGLvoid* texCoordOffset = (GrGLvoid*)(vertexOffset + newTexCoordOffsets[t]);
int idx = GrGLProgram::TexCoordAttributeIdx(t);
if (oldTexCoordOffsets[t] <= 0) {
GL_CALL(EnableVertexAttribArray(idx));
GL_CALL(VertexAttribPointer(idx, 2, scalarType, texCoordNorm,
newStride, texCoordOffset));
} else if (posAndTexChange ||
newTexCoordOffsets[t] != oldTexCoordOffsets[t]) {
GL_CALL(VertexAttribPointer(idx, 2, scalarType, texCoordNorm,
newStride, texCoordOffset));
}
} else if (oldTexCoordOffsets[t] > 0) {
GL_CALL(DisableVertexAttribArray(GrGLProgram::TexCoordAttributeIdx(t)));
}
}
if (newColorOffset > 0) {
GrGLvoid* colorOffset = (int8_t*)(vertexOffset + newColorOffset);
int idx = GrGLProgram::ColorAttributeIdx();
if (oldColorOffset <= 0) {
GL_CALL(EnableVertexAttribArray(idx));
GL_CALL(VertexAttribPointer(idx, 4, GR_GL_UNSIGNED_BYTE,
true, newStride, colorOffset));
} else if (allOffsetsChange || newColorOffset != oldColorOffset) {
GL_CALL(VertexAttribPointer(idx, 4, GR_GL_UNSIGNED_BYTE,
true, newStride, colorOffset));
}
} else if (oldColorOffset > 0) {
GL_CALL(DisableVertexAttribArray(GrGLProgram::ColorAttributeIdx()));
}
if (newCoverageOffset > 0) {
GrGLvoid* coverageOffset = (int8_t*)(vertexOffset + newCoverageOffset);
int idx = GrGLProgram::CoverageAttributeIdx();
if (oldCoverageOffset <= 0) {
GL_CALL(EnableVertexAttribArray(idx));
GL_CALL(VertexAttribPointer(idx, 4, GR_GL_UNSIGNED_BYTE,
true, newStride, coverageOffset));
} else if (allOffsetsChange || newCoverageOffset != oldCoverageOffset) {
//.........这里部分代码省略.........
示例3: onDraw
void GrInOrderDrawBuffer::onDraw(const DrawInfo& info) {
GeometryPoolState& poolState = fGeoPoolStateStack.back();
const GrDrawState& drawState = this->getDrawState();
AutoClipReenable acr;
if (drawState.isClipState() &&
NULL != info.getDevBounds() &&
this->quickInsideClip(*info.getDevBounds())) {
acr.set(this->drawState());
}
if (this->needsNewClip()) {
this->recordClip();
}
if (this->needsNewState()) {
this->recordState();
}
DrawRecord* draw;
if (info.isInstanced()) {
int instancesConcated = this->concatInstancedDraw(info);
if (info.instanceCount() > instancesConcated) {
draw = this->recordDraw(info);
draw->adjustInstanceCount(-instancesConcated);
} else {
return;
}
} else {
draw = this->recordDraw(info);
}
switch (this->getGeomSrc().fVertexSrc) {
case kBuffer_GeometrySrcType:
draw->fVertexBuffer = this->getGeomSrc().fVertexBuffer;
break;
case kReserved_GeometrySrcType: // fallthrough
case kArray_GeometrySrcType: {
size_t vertexBytes = (info.vertexCount() + info.startVertex()) *
drawState.getVertexSize();
poolState.fUsedPoolVertexBytes = GrMax(poolState.fUsedPoolVertexBytes, vertexBytes);
draw->fVertexBuffer = poolState.fPoolVertexBuffer;
draw->adjustStartVertex(poolState.fPoolStartVertex);
break;
}
default:
GrCrash("unknown geom src type");
}
draw->fVertexBuffer->ref();
if (info.isIndexed()) {
switch (this->getGeomSrc().fIndexSrc) {
case kBuffer_GeometrySrcType:
draw->fIndexBuffer = this->getGeomSrc().fIndexBuffer;
break;
case kReserved_GeometrySrcType: // fallthrough
case kArray_GeometrySrcType: {
size_t indexBytes = (info.indexCount() + info.startIndex()) * sizeof(uint16_t);
poolState.fUsedPoolIndexBytes = GrMax(poolState.fUsedPoolIndexBytes, indexBytes);
draw->fIndexBuffer = poolState.fPoolIndexBuffer;
draw->adjustStartIndex(poolState.fPoolStartIndex);
break;
}
default:
GrCrash("unknown geom src type");
}
draw->fIndexBuffer->ref();
} else {
draw->fIndexBuffer = NULL;
}
}