From 45bae0046a3e792ae20c572c863a5347d8ac594b Mon Sep 17 00:00:00 2001
From: kd-11 <karokidii@gmail.com>
Date: Sat, 21 Mar 2026 23:14:34 +0300
Subject: [PATCH] vk: Add support for basic SDF rendering

- Does not support scaled coordinates yet
---
 rpcs3/Emu/RSX/VK/VKOverlays.cpp | 21 +++++++++++++++++++--
 rpcs3/Emu/RSX/VK/VKOverlays.h   |  2 ++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/rpcs3/Emu/RSX/VK/VKOverlays.cpp b/rpcs3/Emu/RSX/VK/VKOverlays.cpp
index 55daab4a90..c555e7a341 100644
--- a/rpcs3/Emu/RSX/VK/VKOverlays.cpp
+++ b/rpcs3/Emu/RSX/VK/VKOverlays.cpp
@@ -510,7 +510,7 @@ namespace vk
 				glsl::input_type_push_constant,
 				0,
 				0,
-				glsl::push_constant_ref {.offset = 68, .size = 12 }
+				glsl::push_constant_ref {.offset = 68, .size = 60 }
 			)
 		);
 		return result;
@@ -527,6 +527,10 @@ namespace vk
 		// 68: uint fragment_config;
 		// 72: float timestamp;
 		// 76: float blur_intensity;
+		// 80: vec4 sdf_params;
+		// 96: vec2 sdf_origin;
+		// 104: vec2 reserved;
+		// 112: vec4 sdf_border_color;
 
 		f32 push_buf[32];
 		// 1. Vertex config (00 - 63)
@@ -557,13 +561,24 @@ namespace vk
 			.texture_mode(m_texture_type)
 			.clip_fragments(m_clip_enabled)
 			.pulse_glow(m_pulse_glow)
+			.set_sdf(m_sdf_config.func)
 			.get();
 
 		push_buf[0] = std::bit_cast<f32>(frag_config);
 		push_buf[1] = m_time;
 		push_buf[2] = m_blur_strength;
+		push_buf[3] = m_sdf_config.hx;
+		push_buf[4] = m_sdf_config.hy;
+		push_buf[5] = m_sdf_config.br;
+		push_buf[6] = m_sdf_config.bw;
+		push_buf[7] = m_sdf_config.cx;
+		push_buf[8] = m_sdf_config.cy;
+		push_buf[9] = 0.f;
+		push_buf[10] = 0.f;
 
-		vkCmdPushConstants(cmd, program->layout(), VK_SHADER_STAGE_FRAGMENT_BIT, 68, 12, push_buf);
+		std::memcpy(push_buf + 11, m_sdf_config.border_color.rgba, 16);
+
+		vkCmdPushConstants(cmd, program->layout(), VK_SHADER_STAGE_FRAGMENT_BIT, 68, 60, push_buf);
 	}
 
 	void ui_overlay_renderer::set_primitive_type(rsx::overlays::primitive_type type)
@@ -644,6 +659,8 @@ namespace vk
 			m_clip_region = command.config.clip_rect;
 			m_disable_vertex_snap = command.config.disable_vertex_snap;
 
+			m_sdf_config = command.config.sdf_config;
+
 			vk::image_view* src = nullptr;
 			switch (command.config.texture_ref)
 			{
diff --git a/rpcs3/Emu/RSX/VK/VKOverlays.h b/rpcs3/Emu/RSX/VK/VKOverlays.h
index 414c7c4945..de2c218ebe 100644
--- a/rpcs3/Emu/RSX/VK/VKOverlays.h
+++ b/rpcs3/Emu/RSX/VK/VKOverlays.h
@@ -132,6 +132,8 @@ namespace vk
 		areaf m_clip_region;
 		coordf m_viewport;
 
+		rsx::overlays::compiled_resource::sdf_config_t m_sdf_config{};
+
 		std::vector<std::unique_ptr<vk::image>> resources;
 		std::unordered_map<u64, std::unique_ptr<vk::image>> font_cache;
 		std::unordered_map<u64, std::unique_ptr<vk::image_view>> view_cache;