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Merge pull request #8244 from stenzek/vulkan-reversed-depth 

Vulkan: Use reversed depth range in viewport
This commit is contained in:
Connor McLaughlin 2019-07-18 23:50:14 +10:00 committed by GitHub
parent a77b571da7 68bd4cd79a
commit 5d66377310
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 3 deletions
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9
Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
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@ -272,6 +272,7 @@ void VulkanContext::PopulateBackendInfo(VideoConfig* config)
config->backend_info.bSupportsPostProcessing = true; // Assumed support.
config->backend_info.bSupportsBackgroundCompiling = true; // Assumed support.
config->backend_info.bSupportsCopyToVram = true; // Assumed support.
config->backend_info.bSupportsReversedDepthRange = true; // Assumed support.
config->backend_info.bSupportsDualSourceBlend = false; // Dependent on features.
config->backend_info.bSupportsGeometryShaders = false; // Dependent on features.
config->backend_info.bSupportsGSInstancing = false; // Dependent on features.
@ -283,8 +284,7 @@ void VulkanContext::PopulateBackendInfo(VideoConfig* config)
config->backend_info.bSupportsBPTCTextures = false; // Dependent on features.
config->backend_info.bSupportsLogicOp = false; // Dependent on features.
config->backend_info.bSupportsLargePoints = false; // Dependent on features.
config->backend_info.bSupportsReversedDepthRange = false; // No support yet due to driver bugs.
config->backend_info.bSupportsFramebufferFetch = false; // No support.
config->backend_info.bSupportsFramebufferFetch = false; // No support.
}
void VulkanContext::PopulateBackendInfoAdapters(VideoConfig* config, const GPUList& gpu_list)
@ -340,6 +340,11 @@ void VulkanContext::PopulateBackendInfoFeatures(VideoConfig* config, VkPhysicalD
// Seems to be fine on GCN Gen 1-2, unconfirmed on GCN Gen 3, causes driver resets on GCN Gen 4.
if (DriverDetails::HasBug(DriverDetails::BUG_PRIMITIVE_RESTART))
config->backend_info.bSupportsPrimitiveRestart = false;
// Reversed depth range is broken on some drivers, or is broken when used in combination
// with depth clamping. Fall back to inverted depth range for these.
if (DriverDetails::HasBug(DriverDetails::BUG_BROKEN_REVERSED_DEPTH_RANGE))
config->backend_info.bSupportsReversedDepthRange = false;
}
void VulkanContext::PopulateBackendInfoMultisampleModes(

5
Source/Core/VideoCommon/DriverDetails.cpp
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@ -108,7 +108,10 @@ constexpr BugInfo m_known_bugs[] = {
BUG_BROKEN_CLEAR_LOADOP_RENDERPASS, -1.0, -1.0, true},
{API_VULKAN, OS_ALL, VENDOR_QUALCOMM, DRIVER_QUALCOMM, Family::UNKNOWN, BUG_BROKEN_D32F_CLEAR,
-1.0, -1.0, true},
};
{API_VULKAN, OS_ALL, VENDOR_MESA, DRIVER_I965, Family::UNKNOWN, BUG_BROKEN_REVERSED_DEPTH_RANGE,
-1.0, -1.0, true},
{API_VULKAN, OS_ALL, VENDOR_QUALCOMM, DRIVER_QUALCOMM, Family::UNKNOWN,
BUG_BROKEN_REVERSED_DEPTH_RANGE, -1.0, -1.0, true}};
static std::map<Bug, BugInfo> m_bugs;

5
Source/Core/VideoCommon/DriverDetails.h
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@ -276,6 +276,11 @@ enum Bug
// Started version: -1
// Ended version: -1
BUG_BROKEN_D32F_CLEAR,
// BUG: Reversed viewport depth range does not work as intended on some Vulkan drivers.
// The Vulkan spec allows the minDepth/maxDepth fields in the viewport to be reversed,
// however the implementation is broken on some drivers.
BUG_BROKEN_REVERSED_DEPTH_RANGE,
};
// Initializes our internal vendor, device family, and driver version