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randr: Add sprite position transforms

Browse source 
This implements sprite position transformations. Sprite image
transforms are passed all the way to the DDX layer, but the images are
not yet manipulated before being passed to the drivers.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
This commit is contained in:
Keith Packard 2010-12-03 22:08:06 -08:00
commit 66294afcab
11 changed files with 333 additions and 46 deletions
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63
randr/randrstr.h
View file

@ -55,9 +55,10 @@
#define RANDR_10_INTERFACE 1
#define RANDR_12_INTERFACE 1
#define RANDR_13_INTERFACE 1 /* requires RANDR_12_INTERFACE */
#define RANDR_14_INTERFACE 1 /* requires RANDR_13_INTERFACE */
#define RANDR_GET_CRTC_INTERFACE 1
#define RANDR_INTERFACE_VERSION 0x0103
#define RANDR_INTERFACE_VERSION 0x0104
typedef XID RRMode;
typedef XID RROutput;
@ -122,9 +123,16 @@ struct _rrCrtc {
Bool transforms;
RRTransformRec client_pending_transform;
RRTransformRec client_current_transform;
PictTransform client_sprite_position_transform;
PictTransform client_sprite_image_transform;
struct pict_f_transform client_sprite_f_position_transform;
struct pict_f_transform client_sprite_f_image_transform;
PictTransform transform;
struct pict_f_transform f_transform;
struct pict_f_transform f_inverse;
struct pict_f_transform f_sprite_position; /* crtc from screen */
struct pict_f_transform f_sprite_image_inverse; /* image from crtc */
};
struct _rrOutput {
@ -233,6 +241,16 @@ typedef Bool (*RRSetConfigProcPtr) (ScreenPtr pScreen,
#endif
typedef void (*RRSetCrtcSpriteTransformPtr) (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
struct pict_f_transform *position_transform,
struct pict_f_transform *image_transform);
typedef void (*RRGetCrtcSpriteTransformPtr) (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
struct pict_f_transform *position_transform,
struct pict_f_transform *image_transform);
typedef struct _rrScrPriv {
/*
* 'public' part of the structure; DDXen fill this in
@ -256,7 +274,9 @@ typedef struct _rrScrPriv {
RRGetPanningProcPtr rrGetPanning;
RRSetPanningProcPtr rrSetPanning;
#endif
RRSetCrtcSpriteTransformPtr rrSetCrtcSpriteTransform;
RRGetCrtcSpriteTransformPtr rrGetCrtcSpriteTransform;
/*
* Private part of the structure; not considered part of the ABI
*/
@ -605,25 +625,6 @@ RRCrtcGammaSetSize (RRCrtcPtr crtc,
extern _X_EXPORT void
RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height);
/*
* Compute the complete transformation matrix including
* client-specified transform, rotation/reflection values and the crtc
* offset.
*
* Return TRUE if the resulting transform is not a simple translation.
*/
extern _X_EXPORT Bool
RRTransformCompute (int x,
int y,
int width,
int height,
Rotation rotation,
RRTransformPtr rr_transform,
PictTransformPtr transform,
struct pict_f_transform *f_transform,
struct pict_f_transform *f_inverse);
/*
* Return crtc transform
*/
@ -700,6 +701,19 @@ ProcRRGetPanning (ClientPtr client);
int
ProcRRSetPanning (ClientPtr client);
void
RRCrtcSpriteTransformSet(RRCrtcPtr crtc,
PictTransform *position_transform,
PictTransform *image_transform,
struct pict_f_transform *f_position_transform,
struct pict_f_transform *f_image_transform);
int
ProcRRSetCrtcSpriteTransform (ClientPtr client);
int
ProcRRGetCrtcSpriteTransform (ClientPtr client);
/* rrdispatch.c */
extern _X_EXPORT Bool
RRClientKnowsRates (ClientPtr pClient);
@ -889,6 +903,13 @@ ProcRRConfigureOutputProperty (ClientPtr client);
extern _X_EXPORT int
ProcRRDeleteOutputProperty (ClientPtr client);
/* rrsprite.c */
extern _X_EXPORT int
ProcRRSetCrtcSpriteTransform (ClientPtr client);
extern _X_EXPORT int
ProcRRGetCrtcSpriteTransform (ClientPtr client);
/* rrxinerama.c */
#ifdef XINERAMA
extern _X_EXPORT void