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Merge pull request #67541 from RandomShaper/refactor_subgroup_ads

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Let the RD driver itself expose subgroup caps
This commit is contained in:
Clay John 2022-10-24 12:02:06 -07:00 committed by GitHub
commit c51a42778d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 6 deletions
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3
drivers/vulkan/vulkan_context.cpp
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@ -717,9 +717,12 @@ Error VulkanContext::_check_capabilities() {
VkPhysicalDeviceProperties2 physicalDeviceProperties{};
void *nextptr = nullptr;
if (!(vulkan_major == 1 && vulkan_minor == 0)) {
subgroupProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES;
subgroupProperties.pNext = nextptr;
nextptr = &subgroupProperties;
}
if (multiview_capabilities.is_supported) {
multiviewProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PROPERTIES;

4
modules/glslang/register_types.cpp
View File

@ -53,7 +53,6 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
};
int ClientInputSemanticsVersion = 100; // maps to, say, #define VULKAN 100
bool check_subgroup_support = true; // assume we support subgroups
glslang::EShTargetClientVersion ClientVersion = glslang::EShTargetVulkan_1_2;
glslang::EShTargetLanguageVersion TargetVersion = glslang::EShTargetSpv_1_5;
@ -63,7 +62,6 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
if (capabilities->version_major == 1 && capabilities->version_minor == 0) {
ClientVersion = glslang::EShTargetVulkan_1_0;
TargetVersion = glslang::EShTargetSpv_1_0;
check_subgroup_support = false; // subgroups are not supported in Vulkan 1.0
} else if (capabilities->version_major == 1 && capabilities->version_minor == 1) {
ClientVersion = glslang::EShTargetVulkan_1_1;
TargetVersion = glslang::EShTargetSpv_1_3;
@ -88,7 +86,7 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
shader.setEnvClient(glslang::EShClientVulkan, ClientVersion);
shader.setEnvTarget(glslang::EShTargetSpv, TargetVersion);
if (check_subgroup_support) {
{
uint32_t stage_bit = 1 << p_stage;
uint32_t subgroup_in_shaders = uint32_t(p_render_device->limit_get(RD::LIMIT_SUBGROUP_IN_SHADERS));