Commit 4861d2a3 authored by Kevin Strasser's avatar Kevin Strasser Committed by Adam Jackson

gbm: Add buffer handling and visuals for fp16 formats

Define and set a new loader cap DRI_LOADER_CAP_FP16, indicating that gbm can
handle fp16 formats.
Signed-off-by: Kevin Strasser's avatarKevin Strasser <kevin.strasser@intel.com>
Reviewed-by: Adam Jackson's avatarAdam Jackson <ajax@redhat.com>
Reviewed-by: default avatarMarek Olšák <marek.olsak@amd.com>
Reviewed-by: default avatarEmil Velikov <emil.velikov@collabora.com>
parent a427c200
......@@ -1100,6 +1100,7 @@ enum dri_loader_cap {
* only BGRA ordering can be exposed.
*/
DRI_LOADER_CAP_RGBA_ORDERING,
DRI_LOADER_CAP_FP16,
};
struct __DRIdri2LoaderExtensionRec {
......
......@@ -2422,6 +2422,8 @@ dri2_num_fourcc_format_planes(EGLint format)
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ABGR16161616F:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
......
......@@ -110,6 +110,18 @@ dri_get_buffers_with_format(__DRIdrawable * driDrawable,
count, out_count, surf->dri_private);
}
static unsigned
dri_get_capability(void *loaderPrivate, enum dri_loader_cap cap)
{
/* Note: loaderPrivate is _EGLDisplay* */
switch (cap) {
case DRI_LOADER_CAP_FP16:
return 1;
default:
return 0;
}
}
static int
image_get_buffers(__DRIdrawable *driDrawable,
unsigned int format,
......@@ -207,11 +219,12 @@ static const __DRIimageLookupExtension image_lookup_extension = {
};
static const __DRIdri2LoaderExtension dri2_loader_extension = {
.base = { __DRI_DRI2_LOADER, 3 },
.base = { __DRI_DRI2_LOADER, 4 },
.getBuffers = dri_get_buffers,
.flushFrontBuffer = dri_flush_front_buffer,
.getBuffersWithFormat = dri_get_buffers_with_format,
.getCapability = dri_get_capability,
};
static const __DRIimageLoaderExtension image_loader_extension = {
......@@ -536,6 +549,18 @@ static const struct gbm_dri_visual gbm_dri_visuals_table[] = {
{ 0, 10, 20, 30 },
{ 10, 10, 10, 2 },
},
{
GBM_FORMAT_XBGR16161616F, __DRI_IMAGE_FORMAT_XBGR16161616F,
{ 0, 16, 32, -1 },
{ 16, 16, 16, 0 },
true,
},
{
GBM_FORMAT_ABGR16161616F, __DRI_IMAGE_FORMAT_ABGR16161616F,
{ 0, 16, 32, 48 },
{ 16, 16, 16, 16 },
true,
},
};
static int
......
......@@ -271,6 +271,9 @@ gbm_bo_get_bpp(struct gbm_bo *bo)
case GBM_FORMAT_RGBA1010102:
case GBM_FORMAT_BGRA1010102:
return 32;
case GBM_FORMAT_XBGR16161616F:
case GBM_FORMAT_ABGR16161616F:
return 64;
}
}
......
......@@ -150,6 +150,15 @@ enum gbm_bo_format {
#define GBM_FORMAT_RGBA1010102 __gbm_fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
#define GBM_FORMAT_BGRA1010102 __gbm_fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
/*
* Floating point 64bpp RGB
* IEEE 754-2008 binary16 half-precision float
* [15:0] sign:exponent:mantissa 1:5:10
*/
#define GBM_FORMAT_XBGR16161616F __gbm_fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
#define GBM_FORMAT_ABGR16161616F __gbm_fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
/* packed YCbCr */
#define GBM_FORMAT_YUYV __gbm_fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
#define GBM_FORMAT_YVYU __gbm_fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
......
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