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[vk] Disable float16 math on non-MESA AMD drivers as 2026+ versions are broken (#3661)

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thanks MaranBR

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3661
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Co-authored-by: PavelBARABANOV <pavelbarabanov94@gmail.com>
Co-committed-by: PavelBARABANOV <pavelbarabanov94@gmail.com>
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PavelBARABANOV 2026-03-03 14:27:47 +01:00 • committed by crueter
parent d720a7b4b4
commit 9d2341eaea
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8
src/video_core/vulkan_common/vulkan_device.cpp
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@ -586,12 +586,20 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
if (is_amd_driver) { if (is_amd_driver) {
// AMD drivers need a higher amount of Sets per Pool in certain circumstances like in XC2. // AMD drivers need a higher amount of Sets per Pool in certain circumstances like in XC2.
sets_per_pool = 96; sets_per_pool = 96;
// Disable VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT on AMD GCN4 and lower as it is broken. // Disable VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT on AMD GCN4 and lower as it is broken.
if (!features.shader_float16_int8.shaderFloat16) { if (!features.shader_float16_int8.shaderFloat16) {
LOG_WARNING(Render_Vulkan, LOG_WARNING(Render_Vulkan,
"AMD GCN4 and earlier have broken VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT"); "AMD GCN4 and earlier have broken VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT");
has_broken_cube_compatibility = true; has_broken_cube_compatibility = true;
} }
// AMD drivers (2026+) have broken float16 math on DKCR
if (features.shader_float16_int8.shaderFloat16) {
LOG_WARNING(Render_Vulkan,
"AMD drivers (2026+) have broken float16 math");
features.shader_float16_int8.shaderFloat16 = false;
}
} }
if (is_qualcomm) { if (is_qualcomm) {