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d3d12mipmapping: Add mip-levels property

Browse source 
Generating full levels would result in waste of GPU resource
depending on rendering usecase. Adding a property to make it
controllable

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8255>
This commit is contained in:
Seungha Yang 2025-01-08 00:56:45 +09:00 committed by GStreamer Marge Bot
parent ca82e717c6
commit f7e70e5261
2 changed files with 44 additions and 2 deletions
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16
subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
View file

@ -14767,7 +14767,7 @@
"presence": "always"
},
"src": {
"caps": "video/x-raw(memory:D3D12Memory):\n format: RGBA\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:D3D12Memory, meta:GstVideoOverlayComposition):\n format: RGBA\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n",
"caps": "video/x-raw(memory:D3D12Memory):\n format: { VUYA, RGBA, AYUV64, RGBA64_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n\nvideo/x-raw(memory:D3D12Memory, meta:GstVideoOverlayComposition):\n format: { VUYA, RGBA, AYUV64, RGBA64_LE }\n width: [ 1, 2147483647 ]\n height: [ 1, 2147483647 ]\n framerate: [ 0/1, 2147483647/1 ]\n",
"direction": "src",
"presence": "always"
}
@ -14786,6 +14786,20 @@
"readable": true,
"type": "guint",
"writable": true
},
"mip-levels": {
"blurb": "Mipmap levels to use (0 = maximum level)",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "0",
"max": "65535",
"min": "0",
"mutable": "null",
"readable": true,
"type": "guint",
"writable": true
}
},
"rank": "none"

30
subprojects/gst-plugins-bad/sys/d3d12/gstd3d12mipmapping.cpp
View file

@ -41,6 +41,7 @@
#include <queue>
#include <wrl.h>
#include <atomic>
#include <math.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
@ -75,9 +76,11 @@ enum
{
PROP_0,
PROP_ASYNC_DEPTH,
PROP_MIP_LEVELS,
};
#define DEFAULT_ASYNC_DEPTH 0
#define DEFAULT_MIP_LEVELS 0
/* *INDENT-OFF* */
struct MipMappingContext
@ -128,6 +131,7 @@ struct GstD3D12MipMappingPrivate
D3D12_BOX prev_in_rect = { };
std::atomic<guint> async_depth = { DEFAULT_ASYNC_DEPTH };
std::atomic<guint> mip_levels = { DEFAULT_MIP_LEVELS };
std::mutex lock;
};
@ -185,6 +189,12 @@ gst_d3d12_mip_mapping_class_init (GstD3D12MipMappingClass * klass)
(GParamFlags) (GST_PARAM_MUTABLE_PLAYING |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (object_class, PROP_MIP_LEVELS,
g_param_spec_uint ("mip-levels", "Mip Levels",
"Mipmap levels to use (0 = maximum level)",
0, G_MAXUINT16, DEFAULT_MIP_LEVELS,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
@ -245,6 +255,9 @@ gst_d3d12_mip_mapping_set_property (GObject * object, guint prop_id,
case PROP_ASYNC_DEPTH:
priv->async_depth = g_value_get_uint (value);
break;
case PROP_MIP_LEVELS:
priv->mip_levels = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -262,6 +275,9 @@ gst_d3d12_mip_mapping_get_property (GObject * object, guint prop_id,
case PROP_ASYNC_DEPTH:
g_value_set_uint (value, priv->async_depth);
break;
case PROP_MIP_LEVELS:
g_value_set_uint (value, priv->mip_levels);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -771,6 +787,8 @@ gst_d3d12_mip_mapping_decide_allocation (GstBaseTransform * trans,
GstQuery * query)
{
auto filter = GST_D3D12_BASE_FILTER (trans);
auto self = GST_D3D12_MIP_MAPPING (trans);
auto priv = self->priv;
GstCaps *outcaps = nullptr;
GstBufferPool *pool = nullptr;
guint size, min = 0, max = 0;
@ -819,8 +837,18 @@ gst_d3d12_mip_mapping_decide_allocation (GstBaseTransform * trans,
GST_D3D12_ALLOCATION_FLAG_DEFAULT, resource_flags,
D3D12_HEAP_FLAG_SHARED);
guint mip_levels = priv->mip_levels;
if (mip_levels != 0) {
guint max_levels = 1 + (guint) floor (log2 (MAX (info.width, info.height)));
GST_DEBUG_OBJECT (self, "Requested mip levels %d, max levels %d",
mip_levels, max_levels);
if (max_levels <= mip_levels)
mip_levels = 0;
}
/* Auto generate mip maps */
gst_d3d12_allocation_params_set_mip_levels (d3d12_params, 0);
gst_d3d12_allocation_params_set_mip_levels (d3d12_params, mip_levels);
gst_buffer_pool_config_set_d3d12_allocation_params (config, d3d12_params);
gst_d3d12_allocation_params_free (d3d12_params);