Various memory leak fixes in Vulkan

BUG=skia:6101

Change-Id: Iee798dd2d9dcc4521f643b814e65029b9383cc6f
Reviewed-on: https://skia-review.googlesource.com/6696
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>

src/gpu/vk/GrVkBuffer.cpp

@@ -110,6 +110,9 @@ void GrVkBuffer::vkRelease(const GrVkGpu* gpu) {
     VALIDATE();
     fResource->recycle(const_cast<GrVkGpu*>(gpu));
     fResource = nullptr;
+    if (!fDesc.fDynamic) {
+        delete[] (unsigned char*)fMapPtr;
+    }
     fMapPtr = nullptr;
     VALIDATE();
 }
@@ -117,6 +120,9 @@ void GrVkBuffer::vkRelease(const GrVkGpu* gpu) {
 void GrVkBuffer::vkAbandon() {
     fResource->unrefAndAbandon();
     fResource = nullptr;
+    if (!fDesc.fDynamic) {
+        delete[] (unsigned char*)fMapPtr;
+    }
     fMapPtr = nullptr;
     VALIDATE();
 }

src/gpu/vk/GrVkCopyManager.cpp

@@ -25,6 +25,13 @@
 #include "SkPoint.h"
 #include "SkRect.h"
 
+GrVkCopyManager::GrVkCopyManager()
+    : fVertShaderModule(VK_NULL_HANDLE)
+    , fFragShaderModule(VK_NULL_HANDLE)
+    , fPipelineLayout(VK_NULL_HANDLE) {}
+
+GrVkCopyManager::~GrVkCopyManager() {}
+
 bool GrVkCopyManager::createCopyProgram(GrVkGpu* gpu) {
     const GrShaderCaps* shaderCaps = gpu->caps()->shaderCaps();
     const char* version = shaderCaps->versionDeclString();
@@ -125,8 +132,8 @@ bool GrVkCopyManager::createCopyProgram(GrVkGpu* gpu) {
     fVertexBuffer->updateData(vdata, sizeof(vdata));
 
     // We use 2 vec4's for uniforms
-    fUniformBuffer = GrVkUniformBuffer::Create(gpu, 8 * sizeof(float));
-    SkASSERT(fUniformBuffer);
+    fUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, 8 * sizeof(float)));
+    SkASSERT(fUniformBuffer.get());
 
     return true;
 }
@@ -154,7 +161,7 @@ bool GrVkCopyManager::copySurfaceAsDraw(GrVkGpu* gpu,
         SkASSERT(VK_NULL_HANDLE == fFragShaderModule &&
                  VK_NULL_HANDLE == fPipelineLayout &&
                  nullptr == fVertexBuffer.get() &&
-                 nullptr == fUniformBuffer);
+                 nullptr == fUniformBuffer.get());
         if (!this->createCopyProgram(gpu)) {
             SkDebugf("Failed to create copy program.\n");
             return false;
@@ -392,7 +399,7 @@ void GrVkCopyManager::destroyResources(GrVkGpu* gpu) {
 
     if (fUniformBuffer) {
         fUniformBuffer->release(gpu);
-        fUniformBuffer = nullptr;
+        fUniformBuffer.reset();
     }
 }
 
@@ -403,6 +410,6 @@ void GrVkCopyManager::abandonResources() {
 
     if (fUniformBuffer) {
         fUniformBuffer->abandon();
-        fUniformBuffer = nullptr;
+        fUniformBuffer.reset();
     }
 }

src/gpu/vk/GrVkCopyManager.h

@@ -22,11 +22,9 @@ struct SkIRect;
 
 class GrVkCopyManager {
 public:
-    GrVkCopyManager()
-        : fVertShaderModule(VK_NULL_HANDLE)
-        , fFragShaderModule(VK_NULL_HANDLE)
-        , fPipelineLayout(VK_NULL_HANDLE)
-        , fUniformBuffer(nullptr) {}
+    GrVkCopyManager();
+
+    ~GrVkCopyManager();
 
     bool copySurfaceAsDraw(GrVkGpu* gpu,
                            GrSurface* dst,
@@ -49,7 +47,7 @@ private:
     VkPipelineLayout fPipelineLayout;
 
     sk_sp<GrVkVertexBuffer> fVertexBuffer;
-    GrVkUniformBuffer* fUniformBuffer;
+    std::unique_ptr<GrVkUniformBuffer> fUniformBuffer;
 };
 
 #endif