randr: Implement RRSetCrtcConfigs

This provides a driver-independent implementation of the
RRSetCrtcConfigs API by simply using the existing interfaces.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/randr/randrstr.h b/randr/randrstr.h
index 5e2a3518c..2fe960234 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -78,6 +78,8 @@ typedef struct _rrMode		RRModeRec, *RRModePtr;
 typedef struct _rrPropertyValue	RRPropertyValueRec, *RRPropertyValuePtr;
 typedef struct _rrProperty	RRPropertyRec, *RRPropertyPtr;
 typedef struct _rrCrtc		RRCrtcRec, *RRCrtcPtr;
+typedef struct _rrScreenConfig	RRScreenConfigRec, *RRScreenConfigPtr;
+typedef struct _rrCrtcConfig	RRCrtcConfigRec, *RRCrtcConfigPtr;
 typedef struct _rrOutput	RROutputRec, *RROutputPtr;
 
 struct _rrMode {
@@ -135,6 +137,28 @@ struct _rrCrtc {
     struct pict_f_transform f_sprite_image_inverse;	/* image from crtc */
 };
 
+struct _rrScreenConfig {
+    CARD16			screen_pixmap_width;
+    CARD16			screen_pixmap_height;
+    CARD16			screen_width;
+    CARD16			screen_height;
+    CARD32			mm_width;
+    CARD32			mm_height;
+};
+
+struct _rrCrtcConfig {
+    RRCrtcPtr			crtc;
+    int				x, y;
+    RRModePtr			mode;
+    Rotation			rotation;
+    int				numOutputs;
+    RROutputPtr			*outputs;
+    struct pict_f_transform	sprite_position_transform;
+    struct pict_f_transform	sprite_image_transform;
+    PixmapPtr			pixmap;
+    int				pixmap_x, pixmap_y;
+};
+
 struct _rrOutput {
     RROutput	    id;
     ScreenPtr	    pScreen;
@@ -251,6 +275,11 @@ typedef void (*RRGetCrtcSpriteTransformPtr) (ScreenPtr pScreen,
 					     struct pict_f_transform *position_transform,
 					     struct pict_f_transform *image_transform);
 
+typedef Bool (*RRSetCrtcConfigsPtr) (ScreenPtr screen,
+				     RRScreenConfigPtr screen_config,
+				     RRCrtcConfigPtr crtc_configs,
+				     int num_configs);
+
 typedef struct _rrScrPriv {
     /*
      * 'public' part of the structure; DDXen fill this in
@@ -276,6 +305,7 @@ typedef struct _rrScrPriv {
 #endif
     RRSetCrtcSpriteTransformPtr	rrSetCrtcSpriteTransform;
     RRGetCrtcSpriteTransformPtr	rrGetCrtcSpriteTransform;
+    RRSetCrtcConfigsPtr rrSetCrtcConfigs;
 
     /*
      * Private part of the structure; not considered part of the ABI
@@ -428,6 +458,10 @@ RRScreenSizeSet (ScreenPtr  pScreen,
 		 CARD32	    mmWidth,
 		 CARD32	    mmHeight);
 
+extern _X_EXPORT void
+RRScreenCurrentConfig(ScreenPtr screen,
+		      RRScreenConfigPtr screen_config);
+
 /*
  * Send ConfigureNotify event to root window when 'something' happens
  */
@@ -671,6 +705,38 @@ extern _X_EXPORT void
 RRCrtcInitErrorValue (void);
 
 /*
+ * Free a set of crtc configs and their attached output arrays
+ */
+void
+RRFreeCrtcConfigs(RRCrtcConfigPtr configs, int num_configs);
+
+/*
+ * Convert the current crtc configuration into an RRCrtcConfig
+ */
+extern _X_EXPORT Bool
+RRCrtcCurrentConfig(RRCrtcPtr crtc,
+		    RRCrtcConfigPtr crtc_config);
+
+/*
+ * Figure out whether the specific crtc_config can fit
+ * within the screen_config
+ */
+Bool
+RRScreenCoversCrtc(RRScreenConfigPtr screen_config,
+		   RRCrtcConfigPtr crtc_config,
+		   RRTransformPtr client_transform,
+		   XID *errorValue);
+
+/*
+ * Set a screen and set of crtc configurations in one operation
+ */
+Bool
+RRSetCrtcConfigs(ScreenPtr screen,
+		 RRScreenConfigPtr screen_config,
+		 RRCrtcConfigPtr crtc_configs,
+		 int num_configs);
+
+/*
  * Crtc dispatch
  */
 
@@ -695,6 +761,9 @@ ProcRRSetCrtcTransform (ClientPtr client);
 extern _X_EXPORT int
 ProcRRGetCrtcTransform (ClientPtr client);
 
+extern _X_EXPORT int
+ProcRRSetCrtcConfigs (ClientPtr client);
+
 int
 ProcRRGetPanning (ClientPtr client);
 
@@ -916,6 +985,27 @@ extern _X_EXPORT void
 RRXineramaExtensionInit(void);
 #endif
 
+/* mirrcrtc.c */
+Bool
+miRRSetScreenConfig(ScreenPtr screen,
+		    RRScreenConfigPtr screen_config);
+
+Bool
+miRRSetCrtcConfig(RRCrtcConfigPtr crtc_config);
+
+Bool
+miRRDisableCrtc(RRCrtcPtr crtc);
+
+Bool
+miRRCheckDisableCrtc(RRScreenConfigPtr new_screen_config,
+		     RRCrtcConfigPtr old_crtc_config);
+
+Bool
+miRRSetCrtcConfigs(ScreenPtr screen,
+		   RRScreenConfigPtr screen_config,
+		   RRCrtcConfigPtr crtc_configs,
+		   int num_configs);
+
 #endif /* _RANDRSTR_H_ */
 
 /*