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i965: Implement basic modifier image creation 

This is just a stub for now and will be filled in later.

This was split out of an earlier patch

Requested-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Ben Widawsky 2017-03-13 14:53:43 -07:00
parent d075cce258
commit 5e7d8d3961
1 changed files with 34 additions and 4 deletions
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38
src/mesa/drivers/dri/i965/intel_screen.c
View File

@ -506,10 +506,12 @@ intel_destroy_image(__DRIimage *image)
}
static __DRIimage *
intel_create_image(__DRIscreen *dri_screen,
int width, int height, int format,
unsigned int use,
void *loaderPrivate)
intel_create_image_common(__DRIscreen *dri_screen,
int width, int height, int format,
unsigned int use,
const uint64_t *modifiers,
unsigned count,
void *loaderPrivate)
{
__DRIimage *image;
struct intel_screen *screen = dri_screen->driverPrivate;
@ -517,6 +519,12 @@ intel_create_image(__DRIscreen *dri_screen,
int cpp;
unsigned long pitch;
/* Callers of this may specify a modifier, or a dri usage, but not both. The
* newer modifier interface deprecates the older usage flags newer modifier
* interface deprecates the older usage flags.
*/
assert(!(use && count));
tiling = I915_TILING_X;
if (use & __DRI_IMAGE_USE_CURSOR) {
if (width != 64 || height != 64)
@ -546,6 +554,27 @@ intel_create_image(__DRIscreen *dri_screen,
return image;
}
static __DRIimage *
intel_create_image(__DRIscreen *dri_screen,
int width, int height, int format,
unsigned int use,
void *loaderPrivate)
{
return intel_create_image_common(dri_screen, width, height, format, use, NULL, 0,
loaderPrivate);
}
static __DRIimage *
intel_create_image_with_modifiers(__DRIscreen *dri_screen,
int width, int height, int format,
const uint64_t *modifiers,
const unsigned count,
void *loaderPrivate)
{
return intel_create_image_common(dri_screen, width, height, format, 0, NULL,
0, loaderPrivate);
}
static GLboolean
intel_query_image(__DRIimage *image, int attrib, int *value)
{
@ -836,6 +865,7 @@ static const __DRIimageExtension intelImageExtension = {
.getCapabilities = NULL,
.mapImage = NULL,
.unmapImage = NULL,
.createImageWithModifiers = intel_create_image_with_modifiers,
};
static int