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Unified Diff: src/gpu/vk/GrVkSampler.cpp

Issue 1718693002: Add vulkan files into skia repo. (Closed) Base URL: https://skia.googlesource.com/skia.git@merge
Patch Set: fix path Created 4 years, 10 months ago
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Index: src/gpu/vk/GrVkSampler.cpp
diff --git a/src/gpu/vk/GrVkSampler.cpp b/src/gpu/vk/GrVkSampler.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d50c7f37447a5a9da0b3c9010aa3e6024ed6bb6c
--- /dev/null
+++ b/src/gpu/vk/GrVkSampler.cpp
@@ -0,0 +1,74 @@
+/*
+* 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 "GrVkSampler.h"
+
+#include "GrTextureAccess.h"
+#include "GrVkGpu.h"
+
+static inline VkSamplerAddressMode tile_to_vk_sampler_address(SkShader::TileMode tm) {
+ static const VkSamplerAddressMode gWrapModes[] = {
+ VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
+ VK_SAMPLER_ADDRESS_MODE_REPEAT,
+ VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT
+ };
+ GR_STATIC_ASSERT(SkShader::kTileModeCount == SK_ARRAY_COUNT(gWrapModes));
+ GR_STATIC_ASSERT(0 == SkShader::kClamp_TileMode);
+ GR_STATIC_ASSERT(1 == SkShader::kRepeat_TileMode);
+ GR_STATIC_ASSERT(2 == SkShader::kMirror_TileMode);
+ return gWrapModes[tm];
+}
+
+GrVkSampler* GrVkSampler::Create(const GrVkGpu* gpu, const GrTextureAccess& textureAccess) {
+
+ static VkFilter vkMinFilterModes[] = {
+ VK_FILTER_NEAREST,
+ VK_FILTER_LINEAR,
+ VK_FILTER_LINEAR
+ };
+ static VkFilter vkMagFilterModes[] = {
+ VK_FILTER_NEAREST,
+ VK_FILTER_LINEAR,
+ VK_FILTER_LINEAR
+ };
+
+ const GrTextureParams& params = textureAccess.getParams();
+
+ VkSamplerCreateInfo createInfo;
+ memset(&createInfo, 0, sizeof(VkSamplerCreateInfo));
+ createInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+ createInfo.pNext = 0;
+ createInfo.flags = 0;
+ createInfo.magFilter = vkMagFilterModes[params.filterMode()];
+ createInfo.minFilter = vkMinFilterModes[params.filterMode()];
+ createInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
+ createInfo.addressModeU = tile_to_vk_sampler_address(params.getTileModeX());
+ createInfo.addressModeV = tile_to_vk_sampler_address(params.getTileModeY());
+ createInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; // Shouldn't matter
+ createInfo.mipLodBias = 0.0f;
+ createInfo.anisotropyEnable = VK_FALSE;
+ createInfo.maxAnisotropy = 1.0f;
+ createInfo.compareEnable = VK_FALSE;
+ createInfo.compareOp = VK_COMPARE_OP_NEVER;
+ createInfo.minLod = 0.0f;
+ createInfo.maxLod = 0.0f;
+ createInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
+ createInfo.unnormalizedCoordinates = VK_FALSE;
+
+ VkSampler sampler;
+ GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateSampler(gpu->device(),
+ &createInfo,
+ nullptr,
+ &sampler));
+
+ return new GrVkSampler(sampler);
+}
+
+void GrVkSampler::freeGPUData(const GrVkGpu* gpu) const {
+ SkASSERT(fSampler);
+ GR_VK_CALL(gpu->vkInterface(), DestroySampler(gpu->device(), fSampler, nullptr));
+}
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