Merge pull request #10292 from OatmealDome/lodbias-take-two

PixelShaderGen: Use LOD bias when sampling texture on Metal and OpenGL ES

1 files changed, 8 insertions, 0 deletions

diff --git a/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp b/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
index 23cb06e846..ead13df547 100644
--- a/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
+++ b/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
@@ -289,6 +289,7 @@ void VulkanContext::PopulateBackendInfo(VideoConfig* config)
   config->backend_info.bSupportsFramebufferFetch = false;          // Dependent on OS and features.
   config->backend_info.bSupportsCoarseDerivatives = true;          // Assumed support.
   config->backend_info.bSupportsTextureQueryLevels = true;         // Assumed support.
+  config->backend_info.bSupportsLodBiasInSampler = false;          // Dependent on OS.
 }
 
 void VulkanContext::PopulateBackendInfoAdapters(VideoConfig* config, const GPUList& gpu_list)
@@ -316,6 +317,13 @@ void VulkanContext::PopulateBackendInfoFeatures(VideoConfig* config, VkPhysicalD
   config->backend_info.bSupportsSSAA = (features.sampleRateShading == VK_TRUE);
   config->backend_info.bSupportsLogicOp = (features.logicOp == VK_TRUE);
 
+#ifdef __APPLE__
+  // Metal doesn't support this.
+  config->backend_info.bSupportsLodBiasInSampler = false;
+#else
+  config->backend_info.bSupportsLodBiasInSampler = true;
+#endif
+
   // Disable geometry shader when shaderTessellationAndGeometryPointSize is not supported.
   // Seems this is needed for gl_Layer.
   if (!features.shaderTessellationAndGeometryPointSize)