static bool path_fill_type_is_winding(const GrStencilSettings& pathStencilSettings) {
static const GrStencilSettings::Face pathFace = GrStencilSettings::kFront_Face;
bool isWinding = kInvert_StencilOp != pathStencilSettings.passOp(pathFace);
if (isWinding) {
// Double check that it is in fact winding.
SkASSERT(kIncClamp_StencilOp == pathStencilSettings.passOp(pathFace));
SkASSERT(kIncClamp_StencilOp == pathStencilSettings.failOp(pathFace));
SkASSERT(0x1 != pathStencilSettings.writeMask(pathFace));
SkASSERT(!pathStencilSettings.isTwoSided());
}
return isWinding;
}
void setup_depth_stencil_state(const GrVkGpu* gpu,
const GrStencilSettings& stencilSettings,
VkPipelineDepthStencilStateCreateInfo* stencilInfo) {
memset(stencilInfo, 0, sizeof(VkPipelineDepthStencilStateCreateInfo));
stencilInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
stencilInfo->pNext = nullptr;
stencilInfo->flags = 0;
// set depth testing defaults
stencilInfo->depthTestEnable = VK_FALSE;
stencilInfo->depthWriteEnable = VK_FALSE;
stencilInfo->depthCompareOp = VK_COMPARE_OP_ALWAYS;
stencilInfo->depthBoundsTestEnable = VK_FALSE;
stencilInfo->stencilTestEnable = !stencilSettings.isDisabled();
if (!stencilSettings.isDisabled()) {
// Set front face
GrStencilSettings::Face face = GrStencilSettings::kFront_Face;
stencilInfo->front.failOp = stencil_op_to_vk_stencil_op(stencilSettings.failOp(face));
stencilInfo->front.passOp = stencil_op_to_vk_stencil_op(stencilSettings.passOp(face));
stencilInfo->front.depthFailOp = stencilInfo->front.failOp;
stencilInfo->front.compareOp = stencil_func_to_vk_compare_op(stencilSettings.func(face));
stencilInfo->front.compareMask = stencilSettings.funcMask(face);
stencilInfo->front.writeMask = stencilSettings.writeMask(face);
stencilInfo->front.reference = stencilSettings.funcRef(face);
// Set back face
face = GrStencilSettings::kBack_Face;
stencilInfo->back.failOp = stencil_op_to_vk_stencil_op(stencilSettings.failOp(face));
stencilInfo->back.passOp = stencil_op_to_vk_stencil_op(stencilSettings.passOp(face));
stencilInfo->back.depthFailOp = stencilInfo->front.failOp;
stencilInfo->back.compareOp = stencil_func_to_vk_compare_op(stencilSettings.func(face));
stencilInfo->back.compareMask = stencilSettings.funcMask(face);
stencilInfo->back.writeMask = stencilSettings.writeMask(face);
stencilInfo->back.reference = stencilSettings.funcRef(face);
}
stencilInfo->minDepthBounds = 0.0f;
stencilInfo->maxDepthBounds = 1.0f;
}