From 0c8aeb09d2cdbfaeea84a61e3e904543ae928a4f Mon Sep 17 00:00:00 2001 From: Narr the Reg Date: Tue, 23 Aug 2022 18:37:40 -0500 Subject: video_core: vulkan: rasterizer: Workaround on viewport swizzle on AMD --- src/video_core/renderer_vulkan/vk_rasterizer.cpp | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp index 16e46d3e5..7e40c2df1 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp +++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp @@ -69,10 +69,17 @@ VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t in const float width = conv(src.scale_x * 2.0f); float y = conv(src.translate_y - src.scale_y); float height = conv(src.scale_y * 2.0f); - if (regs.screen_y_control.y_negate) { + bool y_negate = regs.screen_y_control.y_negate; + + if (!device.IsNvViewportSwizzleSupported()) { + y_negate = y_negate != (src.swizzle.y == Maxwell::ViewportSwizzle::NegativeY); + } + + if (y_negate) { y += height; height = -height; } + const float reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1.0f : 0.0f; VkViewport viewport{ .x = x, -- cgit v1.2.3