PSP2: Add Playstation Vita (PSP2) support

1 files changed, 34 insertions, 1 deletions

diff --git a/common/system.h b/common/system.h
index 83bc457707..68d33b78be 100644
--- a/common/system.h
+++ b/common/system.h
@@ -361,7 +361,12 @@ public:
 		/**
 		* change analog joystick deadzone
 		*/
-		kFeatureJoystickDeadzone
+		kFeatureJoystickDeadzone,
+
+		/**
+		* shaders
+		*/
+		kFeatureShader
 
 	};
 
@@ -573,6 +578,34 @@ public:
 #endif
 
 	/**
+	 * Retrieve a list of all hardware shaders supported by this backend.
+	 * This can be only hardware shaders.
+	 * it is completely up to the backend maintainer to decide what is
+	 * appropriate here and what not.
+	 * The list is terminated by an all-zero entry.
+	 * @return a list of supported shaders
+	 */
+	virtual const GraphicsMode *getSupportedShaders() const {
+		static const OSystem::GraphicsMode no_shader[2] = {{"NONE", "Normal (no shader)", 0}, {0, 0, 0}}; 
+		return no_shader;
+	}
+
+	/**
+	 * Switch to the specified shader mode. If switching to the new mode
+	 * failed, this method returns false.
+	 *
+	 * @param mode	the ID of the new shader mode
+	 * @return true if the switch was successful, false otherwise
+	 */
+	virtual bool setShader(int id) { return false; }
+
+	/**
+	 * Determine which shader is currently active.
+	 * @return the ID of the active shader
+	 */
+	virtual int getShader() { return 0; }
+
+	/**
 	 * Set the size and color format of the virtual screen. Typical sizes include:
 	 *  - 320x200 (e.g. for most SCUMM games, and Simon)
 	 *  - 320x240 (e.g. for FM-TOWN SCUMM games)