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st/dri: move fourcc->format conversion to a common place

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Before I cut-n-paste this a 3rd time lets consolidate it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2013-12-18 10:00:46 +10:00
parent c95ec27a4a
commit 3fd081d1a5
1 changed files with 35 additions and 46 deletions
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81
src/gallium/state_trackers/dri/drm/dri2.c
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@ -43,6 +43,37 @@
#include "dri_drawable.h"
#include "dri2_buffer.h"
static int convert_fourcc(int format, int *dri_components_p)
{
int dri_components;
switch(format) {
case __DRI_IMAGE_FOURCC_RGB565:
format = __DRI_IMAGE_FORMAT_RGB565;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ARGB8888:
format = __DRI_IMAGE_FORMAT_ARGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XRGB8888:
format = __DRI_IMAGE_FORMAT_XRGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ABGR8888:
format = __DRI_IMAGE_FORMAT_ABGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XBGR8888:
format = __DRI_IMAGE_FORMAT_XBGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
default:
return -1;
}
*dri_components_p = dri_components;
return format;
}
/**
* DRI2 flush extension.
*/
@ -812,30 +843,9 @@ dri2_from_names(__DRIscreen *screen, int width, int height, int format,
if (offsets[0] != 0)
return NULL;
switch(format) {
case __DRI_IMAGE_FOURCC_RGB565:
format = __DRI_IMAGE_FORMAT_RGB565;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ARGB8888:
format = __DRI_IMAGE_FORMAT_ARGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XRGB8888:
format = __DRI_IMAGE_FORMAT_XRGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ABGR8888:
format = __DRI_IMAGE_FORMAT_ABGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XBGR8888:
format = __DRI_IMAGE_FORMAT_XBGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
default:
format = convert_fourcc(format, &dri_components);
if (format == -1)
return NULL;
}
/* Strides are in bytes not pixels. */
stride = strides[0] /4;
@ -948,30 +958,9 @@ dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
if (offsets[0] != 0)
return NULL;
switch(fourcc) {
case __DRI_IMAGE_FOURCC_RGB565:
format = __DRI_IMAGE_FORMAT_RGB565;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ARGB8888:
format = __DRI_IMAGE_FORMAT_ARGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XRGB8888:
format = __DRI_IMAGE_FORMAT_XRGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ABGR8888:
format = __DRI_IMAGE_FORMAT_ABGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XBGR8888:
format = __DRI_IMAGE_FORMAT_XBGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
default:
format = convert_fourcc(fourcc, &dri_components);
if (format == -1)
return NULL;
}
/* Strides are in bytes not pixels. */
stride = strides[0] /4;