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..4bba66268ba40964900e9b51ad8df6f820261c92 |
--- /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)); |
+} |