Implement various vulkan stencil clears and fix various stenciling bugs.

src/gpu/vk/GrVkCommandBuffer.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 "GrVkCommandBuffer.h"
 
 #include "GrVkFramebuffer.h"
@@ skipping 86 matching lines @@
                                         const GrVkRenderTarget& target) {
     SkASSERT(fIsActive);
     SkASSERT(!fActiveRenderPass);
     VkRenderPassBeginInfo beginInfo;
     VkSubpassContents contents;
     renderPass->getBeginInfo(target, &beginInfo, &contents);
     GR_VK_CALL(gpu->vkInterface(), CmdBeginRenderPass(fCmdBuffer, &beginInfo, contents));
     fActiveRenderPass = renderPass;
     this->addResource(renderPass);
     target.addResources(*this);
-
 }
 
 void GrVkCommandBuffer::endRenderPass(const GrVkGpu* gpu) {
     SkASSERT(fIsActive);
     SkASSERT(fActiveRenderPass);
     GR_VK_CALL(gpu->vkInterface(), CmdEndRenderPass(fCmdBuffer));
     fActiveRenderPass = nullptr;
 }
 
 void GrVkCommandBuffer::submitToQueue(const GrVkGpu* gpu, VkQueue queue, GrVkGpu::SyncQueue sync) {
@@ skipping 170 matching lines @@
     SkASSERT(!fActiveRenderPass);
     this->addResource(image->resource());
     GR_VK_CALL(gpu->vkInterface(), CmdClearColorImage(fCmdBuffer,
                                                       image->textureImage(),
                                                       image->currentLayout(),
                                                       color,
                                                       subRangeCount,
                                                       subRanges));
 }
 
+void GrVkCommandBuffer::clearDepthStencilImage(const GrVkGpu* gpu,
+                                               GrVkImage* image,
+                                               const VkClearDepthStencilValue* color,
+                                               uint32_t subRangeCount,
+                                               const VkImageSubresourceRange* subRanges) {
+    SkASSERT(fIsActive);
+    SkASSERT(!fActiveRenderPass);
+    this->addResource(image->resource());
+    GR_VK_CALL(gpu->vkInterface(), CmdClearDepthStencilImage(fCmdBuffer,
+                                                             image->textureImage(),
+                                                             image->currentLayout(),
+                                                             color,
+                                                             subRangeCount,
+                                                             subRanges));
+}
+
 void GrVkCommandBuffer::clearAttachments(const GrVkGpu* gpu,
                                          int numAttachments,
                                          const VkClearAttachment* attachments,
                                          int numRects,
                                          const VkClearRect* clearRects) const {
     SkASSERT(fIsActive);
     SkASSERT(fActiveRenderPass);
     SkASSERT(numAttachments > 0);
     SkASSERT(numRects > 0);
 #ifdef SK_DEBUG
@@ skipping 54 matching lines @@
                              uint32_t firstVertex,
                              uint32_t firstInstance) const {
     SkASSERT(fIsActive);
     SkASSERT(fActiveRenderPass);
     GR_VK_CALL(gpu->vkInterface(), CmdDraw(fCmdBuffer,
                                            vertexCount,
                                            instanceCount,
                                            firstVertex,
                                            firstInstance));
 }