rend: force Native Depth Interpolation for AMD gpus

core/emulator.cpp

@@ -43,6 +43,7 @@
 #include "hw/pvr/pvr.h"
 #include "profiler/fc_profiler.h"
 #include "oslib/storage.h"
+#include "wsi/context.h"
 #include <chrono>
 
 settings_t settings;
@@ -327,6 +328,8 @@ static void loadSpecialSettings()
 			config::ForceFreePlay.override(false);
 		}
 	}
+	if (GraphicsContext::Instance()->isAMD())
+		config::NativeDepthInterpolation.override(true);
 }
 
 void dc_reset(bool hard)

core/rend/dx11/dx11context.h

@@ -55,6 +55,9 @@ public:
 	bool isIntel() const {
 		return vendorId == VENDOR_INTEL;
 	}
+	bool isAMD() override {
+		return vendorId == VENDOR_ATI || vendorId == VENDOR_AMD;
+	}
 
 	void setFrameRendered() {
 		frameRendered = true;
@@ -97,6 +100,8 @@ private:
 	pD3DCompile d3dcompiler = nullptr;
 
 	static constexpr UINT VENDOR_INTEL = 0x8086;
+	static constexpr UINT VENDOR_ATI = 0x1002;
+	static constexpr UINT VENDOR_AMD = 0x1022;
 };
 extern DX11Context theDX11Context;
 #endif

core/rend/dx11/dx11context_lr.h

@@ -50,6 +50,9 @@ public:
 	bool isIntel() const {
 		return vendorId == VENDOR_INTEL;
 	}
+	bool isAMD() override {
+		return vendorId == VENDOR_ATI || vendorId == VENDOR_AMD;
+	}
 
 	DX11Shaders& getShaders() {
 		return shaders;
@@ -90,6 +93,8 @@ private:
 	bool supportedTexFormats[5] {}; // indexed by TextureType enum
 
 	static constexpr UINT VENDOR_INTEL = 0x8086;
+	static constexpr UINT VENDOR_ATI = 0x1002;
+	static constexpr UINT VENDOR_AMD = 0x1022;
 };
 extern DX11Context theDX11Context;
 #endif

core/rend/dx9/dxcontext.cpp

@@ -89,6 +89,7 @@ bool DXContext::init(bool keepCurrentWindow)
 	driverName = std::string(id.Description);
 	driverVersion = std::to_string(id.DriverVersion.HighPart >> 16) + "." + std::to_string((u16)id.DriverVersion.HighPart)
 		+ "." + std::to_string(id.DriverVersion.LowPart >> 16) + "." + std::to_string((u16)id.DriverVersion.LowPart);
+	amd = id.VendorId == 0x1002 || id.VendorId == 0x1022;
 	deviceReady = true;
 
 	return true;

core/rend/dx9/dxcontext.h

@@ -50,6 +50,9 @@ public:
 	std::string getDriverVersion() override {
 		return driverVersion;
 	}
+	bool isAMD() override {
+		return amd;
+	}
 	void setFrameRendered() {
 		frameRendered = true;
 	}
@@ -69,6 +72,7 @@ private:
 	bool frameRendered = false;
 	std::string driverName;
 	std::string driverVersion;
+	bool amd = false;
 	bool deviceReady = false;
 };
 extern DXContext theDXContext;

core/rend/vulkan/vk_context_lr.h

@@ -82,6 +82,9 @@ public:
 			+ "." + std::to_string(VK_API_VERSION_MINOR(props.driverVersion))
 			+ "." + std::to_string(VK_API_VERSION_PATCH(props.driverVersion));
 	}
+	bool isAMD() override {
+		return vendorID == VENDOR_ATI || vendorID == VENDOR_AMD;
+	}
 	vk::Format GetDepthFormat() const { return depthFormat; }
 	static VulkanContext *Instance() { return contextInstance; }
 	bool SupportsSamplerAnisotropy() const { return samplerAnisotropy; }

core/rend/vulkan/vulkan_context.h

@@ -95,6 +95,9 @@ public:
 	std::string getDriverVersion() override {
 		return driverVersion;
 	}
+	bool isAMD() override {
+		return vendorID == VENDOR_ATI || vendorID == VENDOR_AMD;
+	}
 	vk::Format GetDepthFormat() const { return depthFormat; }
 	static VulkanContext *Instance() { return contextInstance; }
 	bool SupportsSamplerAnisotropy() const { return samplerAnisotropy; }

core/wsi/context.h

@@ -33,6 +33,7 @@ public:
 	virtual void resize() {}
 	virtual std::string getDriverName() = 0;
 	virtual std::string getDriverVersion() = 0;
+	virtual bool isAMD() = 0;
 	virtual bool hasPerPixel() { return false; }
 
 	void setWindow(void *window, void *display = nullptr) {

core/wsi/gl_context.cpp

@@ -46,6 +46,16 @@ void GLGraphicsContext::findGLVersion()
 	driverName = p != nullptr ? p : "unknown";
 	p = (const char *)glGetString(GL_VERSION);
 	driverVersion = p != nullptr ? p : "unknown";
+	p = (const char *)glGetString(GL_VENDOR);
+	std::string vendor = p != nullptr ? p : "";
+	if (vendor.substr(0, 4) == "ATI ")
+		amd = true;
+	else if (driverName.find(" ATI ") != std::string::npos
+			|| driverName.find(" AMD ") != std::string::npos)
+		// mesa
+		amd = true;
+	else
+		amd = false;
 }
 
 void GLGraphicsContext::postInit()

core/wsi/gl_context.h

@@ -50,6 +50,9 @@ public:
 	std::string getDriverVersion() override {
 		return driverVersion;
 	}
+	bool isAMD() override {
+		return amd;
+	}
 	void resetUIDriver();
 
 	bool hasPerPixel() override
@@ -70,6 +73,7 @@ private:
 	bool _isGLES = false;
 	std::string driverName;
 	std::string driverVersion;
+	bool amd = false;
 };
 
 #if defined(LIBRETRO)