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dri: Add fp16 formats

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Add dri formats for RGBA ordered 64 bpp IEEE 754 half precision floating
point. Leverage existing offscreen render support for
MESA_FORMAT_RGBA_FLOAT16 and MESA_FORMAT_RGBX_FLOAT16.

Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Kevin Strasser
2019-01-24 17:10:02 -08:00
committed by Adam Jackson
parent 482ed4347d
commit a427c20080
4 changed files with 31 additions and 0 deletions
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4
include/GL/internal/dri_interface.h
View File

@@ -1340,6 +1340,8 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_FORMAT_ABGR2101010 0x1011
#define __DRI_IMAGE_FORMAT_SABGR8 0x1012
#define __DRI_IMAGE_FORMAT_UYVY 0x1013
#define __DRI_IMAGE_FORMAT_XBGR16161616F 0x1014
#define __DRI_IMAGE_FORMAT_ABGR16161616F 0x1015
#define __DRI_IMAGE_USE_SHARE 0x0001
#define __DRI_IMAGE_USE_SCANOUT 0x0002
@@ -1385,6 +1387,8 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_FOURCC_RGBX1010102 0x30335852
#define __DRI_IMAGE_FOURCC_BGRA1010102 0x30334142
#define __DRI_IMAGE_FOURCC_BGRX1010102 0x30335842
#define __DRI_IMAGE_FOURCC_ABGR16161616F 0x48344241
#define __DRI_IMAGE_FOURCC_XBGR16161616F 0x48344258
#define __DRI_IMAGE_FOURCC_YUV410 0x39565559
#define __DRI_IMAGE_FOURCC_YUV411 0x31315559
#define __DRI_IMAGE_FOURCC_YUV420 0x32315559

5
src/loader/loader_dri3_helper.c
View File

@@ -1120,6 +1120,9 @@ dri3_cpp_for_format(uint32_t format) {
case __DRI_IMAGE_FORMAT_SARGB8:
case __DRI_IMAGE_FORMAT_SABGR8:
return 4;
case __DRI_IMAGE_FORMAT_XBGR16161616F:
case __DRI_IMAGE_FORMAT_ABGR16161616F:
return 8;
case __DRI_IMAGE_FORMAT_NONE:
default:
return 0;
@@ -1178,6 +1181,8 @@ image_format_to_fourcc(int format)
case __DRI_IMAGE_FORMAT_ARGB2101010: return __DRI_IMAGE_FOURCC_ARGB2101010;
case __DRI_IMAGE_FORMAT_XBGR2101010: return __DRI_IMAGE_FOURCC_XBGR2101010;
case __DRI_IMAGE_FORMAT_ABGR2101010: return __DRI_IMAGE_FOURCC_ABGR2101010;
case __DRI_IMAGE_FORMAT_XBGR16161616F: return __DRI_IMAGE_FOURCC_XBGR16161616F;
case __DRI_IMAGE_FORMAT_ABGR16161616F: return __DRI_IMAGE_FOURCC_ABGR16161616F;
}
return 0;
}

8
src/mesa/drivers/dri/common/dri_util.c
View File

@@ -886,6 +886,14 @@ static const struct {
.image_format = __DRI_IMAGE_FORMAT_XRGB8888,
.mesa_format = MESA_FORMAT_B8G8R8X8_UNORM,
},
{
.image_format = __DRI_IMAGE_FORMAT_ABGR16161616F,
.mesa_format = MESA_FORMAT_RGBA_FLOAT16,
},
{
.image_format = __DRI_IMAGE_FORMAT_XBGR16161616F,
.mesa_format = MESA_FORMAT_RGBX_FLOAT16,
},
{
.image_format = __DRI_IMAGE_FORMAT_ARGB2101010,
.mesa_format = MESA_FORMAT_B10G10R10A2_UNORM,

14
src/mesa/drivers/dri/common/utils.c
View File

@@ -212,6 +212,12 @@ driCreateConfigs(mesa_format format,
/* MESA_FORMAT_R10G10B10A2_UNORM */
{{ 0x000003FF, 0x000FFC00, 0x3FF00000, 0xC0000000 },
{ 0, 10, 20, 30 }},
/* MESA_FORMAT_RGBX_FLOAT16 */
{{ 0, 0, 0, 0},
{ 0, 16, 32, -1 }},
/* MESA_FORMAT_RGBA_FLOAT16 */
{{ 0, 0, 0, 0},
{ 0, 16, 32, 48 }},
};
const uint32_t * masks;
@@ -260,6 +266,14 @@ driCreateConfigs(mesa_format format,
masks = format_table[4].masks;
shifts = format_table[4].shifts;
break;
case MESA_FORMAT_RGBX_FLOAT16:
masks = format_table[9].masks;
shifts = format_table[9].shifts;
break;
case MESA_FORMAT_RGBA_FLOAT16:
masks = format_table[10].masks;
shifts = format_table[10].shifts;
break;
case MESA_FORMAT_R10G10B10X2_UNORM:
masks = format_table[7].masks;
shifts = format_table[7].shifts;