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Merge pull request #11690 from degasus/asciiart

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Shaders: Reintroduce the old Ascii-Art shader.
This commit is contained in:
Pierre Bourdon
2023-03-28 11:17:27 +02:00
committed by GitHub
parent 012044eb64 196c684ac1
commit d62838a2f4
3 changed files with 425 additions and 3 deletions
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1
Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
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@ -79,6 +79,7 @@ static const char SUBGROUP_HELPER_HEADER[] = R"(
#extension GL_KHR_shader_subgroup_basic : enable
#extension GL_KHR_shader_subgroup_arithmetic : enable
#extension GL_KHR_shader_subgroup_ballot : enable
#extension GL_KHR_shader_subgroup_shuffle : enable
#define SUPPORTS_SUBGROUP_REDUCTION 1
#define IS_HELPER_INVOCATION gl_HelperInvocation

8
Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
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@ -981,9 +981,11 @@ void VulkanContext::PopulateShaderSubgroupSupport()
// We require basic ops (for gl_SubgroupInvocationID), ballot (for subgroupBallot,
// subgroupBallotFindLSB), and arithmetic (for subgroupMin/subgroupMax).
constexpr VkSubgroupFeatureFlags required_operations = VK_SUBGROUP_FEATURE_BASIC_BIT |
VK_SUBGROUP_FEATURE_ARITHMETIC_BIT |
VK_SUBGROUP_FEATURE_BALLOT_BIT;
// Shuffle is enabled as a workaround until SPIR-V >= 1.5 is enabled with broadcast(uniform)
// support.
constexpr VkSubgroupFeatureFlags required_operations =
VK_SUBGROUP_FEATURE_BASIC_BIT | VK_SUBGROUP_FEATURE_ARITHMETIC_BIT |
VK_SUBGROUP_FEATURE_BALLOT_BIT | VK_SUBGROUP_FEATURE_SHUFFLE_BIT;
m_supports_shader_subgroup_operations =
(subgroup_properties.supportedOperations & required_operations) == required_operations &&
subgroup_properties.supportedStages & VK_SHADER_STAGE_FRAGMENT_BIT &&