Add integer array uniforms to GL and Vulkan

src/gpu/vk/GrVkPipelineStateDataManager.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrVkPipelineStateDataManager.h"
 
 #include "GrVkGpu.h"
@@ skipping 44 matching lines @@
 }
 
 void GrVkPipelineStateDataManager::set1i(UniformHandle u, int32_t i) const {
     const Uniform& uni = fUniforms[u.toIndex()];
     SkASSERT(uni.fType == kInt_GrSLType);
     SkASSERT(GrGLSLShaderVar::kNonArray == uni.fArrayCount);
     void* buffer = this->getBufferPtrAndMarkDirty(uni);
     memcpy(buffer, &i, sizeof(int32_t));
 }
 
+void GrVkPipelineStateDataManager::set1iv(UniformHandle u,
+                                          int arrayCount,
+                                          const int32_t v[]) const {
+    const Uniform& uni = fUniforms[u.toIndex()];
+    SkASSERT(uni.fType == kInt_GrSLType);
+    SkASSERT(arrayCount > 0);
+    SkASSERT(arrayCount <= uni.fArrayCount ||
+             (1 == arrayCount && GrGLSLShaderVar::kNonArray == uni.fArrayCount));
+
+    void* buffer = this->getBufferPtrAndMarkDirty(uni);
+    SkASSERT(sizeof(int32_t) == 4);
+    for (int i = 0; i < arrayCount; ++i) {
+        const int32_t* curVec = &v[i];
+        memcpy(buffer, curVec, sizeof(int32_t));
+        buffer = static_cast<char*>(buffer) + 4*sizeof(int32_t);
+    }
+}
+
 void GrVkPipelineStateDataManager::set1f(UniformHandle u, float v0) const {
     const Uniform& uni = fUniforms[u.toIndex()];
     SkASSERT(uni.fType == kFloat_GrSLType);
     SkASSERT(GrGLSLShaderVar::kNonArray == uni.fArrayCount);
     void* buffer = this->getBufferPtrAndMarkDirty(uni);
     SkASSERT(sizeof(float) == 4);
     memcpy(buffer, &v0, sizeof(float));
 }
 
 void GrVkPipelineStateDataManager::set1fv(UniformHandle u,
@@ skipping 184 matching lines @@
         fVertexUniformsDirty = false;
     }
 
     if (fragmentBuffer && fFragmentUniformsDirty) {
         SkAssertResult(fragmentBuffer->updateData(gpu, fFragmentUniformData.get(),
                                                   fFragmentUniformSize, &updatedBuffer));
         fFragmentUniformsDirty = false;
     }
     return updatedBuffer;
 }