gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12converter-builder.cpp

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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstd3d12.h"
#include "gstd3d12converter-builder.h"
#include <gst/d3dshader/gstd3dshader.h>
#include <directx/d3dx12.h>
#include <mutex>
#include <string>
#include <utility>
#include <memory>
GST_DEBUG_CATEGORY_EXTERN (gst_d3d12_converter_debug);
#define GST_CAT_DEFAULT gst_d3d12_converter_debug
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
PixelShaderBlobList
gst_d3d12_get_converter_pixel_shader_blob (GstVideoFormat in_format,
GstVideoFormat out_format, gboolean in_premul, gboolean out_premul,
CONVERT_TYPE type)
{
GstD3DConverterType conv_type;
PixelShaderBlobList ret;
switch (type) {
case CONVERT_TYPE::IDENTITY:
conv_type = GST_D3D_CONVERTER_IDENTITY;
break;
case CONVERT_TYPE::SIMPLE:
conv_type = GST_D3D_CONVERTER_SIMPLE;
break;
case CONVERT_TYPE::RANGE:
conv_type = GST_D3D_CONVERTER_RANGE;
break;
case CONVERT_TYPE::GAMMA:
conv_type = GST_D3D_CONVERTER_GAMMA;
break;
case CONVERT_TYPE::PRIMARY:
conv_type = GST_D3D_CONVERTER_PRIMARY;
break;
default:
g_assert_not_reached ();
return ret;
}
GstD3DConverterPSByteCode blobs[4];
auto num_blobs = gst_d3d_converter_shader_get_ps_blob (in_format, out_format,
in_premul, out_premul, conv_type, GST_D3D_SM_5_0, blobs);
if (!num_blobs) {
GST_ERROR ("Couldn't get compiled bytecode");
return ret;
}
for (guint i = 0; i < num_blobs; i++) {
auto blob = &blobs[i];
PixelShaderBlob ps;
ps.bytecode.pShaderBytecode = blob->byte_code.byte_code;
ps.bytecode.BytecodeLength = blob->byte_code.byte_code_len;
ps.num_rtv = blob->num_rtv;
ret.push_back (ps);
}
return ret;
}
HRESULT
gst_d3d12_get_converter_vertex_shader_blob (D3D12_SHADER_BYTECODE * vs,
D3D12_INPUT_ELEMENT_DESC input_desc[2])
{
GstD3DShaderByteCode bytecode = { };
if (!gst_d3d_converter_shader_get_vs_blob (GST_D3D_SM_5_0, &bytecode)) {
GST_ERROR ("Couldn't get compiled bytecode");
return E_FAIL;
}
input_desc[0].SemanticName = "POSITION";
input_desc[0].SemanticIndex = 0;
input_desc[0].Format = DXGI_FORMAT_R32G32B32_FLOAT;
input_desc[0].InputSlot = 0;
input_desc[0].AlignedByteOffset = D3D12_APPEND_ALIGNED_ELEMENT;
input_desc[0].InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
input_desc[0].InstanceDataStepRate = 0;
input_desc[1].SemanticName = "TEXCOORD";
input_desc[1].SemanticIndex = 0;
input_desc[1].Format = DXGI_FORMAT_R32G32_FLOAT;
input_desc[1].InputSlot = 0;
input_desc[1].AlignedByteOffset = D3D12_APPEND_ALIGNED_ELEMENT;
input_desc[1].InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
input_desc[1].InstanceDataStepRate = 0;
vs->BytecodeLength = bytecode.byte_code_len;
vs->pShaderBytecode = bytecode.byte_code;
return S_OK;
}
/* root signature
*
* +-----+---------+--------------+
* | RS | size in | |
* | idx | DWORD | |
* +-----+---------+--------------+
* | 0 | 1 | table (SRV) |
* +-----+---------+--------------+
* | 1 | 16 | VS matrix |
* +-----+---------+--------------+
* | 2 | 1 | PS alpha |
* +-----+---------+--------------+
* | 3 | 2 | PS CBV |
* +-----+---------+--------------+
*/
static const D3D12_STATIC_SAMPLER_DESC static_sampler_desc_ = {
D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT,
D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
0,
1,
D3D12_COMPARISON_FUNC_ALWAYS,
D3D12_STATIC_BORDER_COLOR_OPAQUE_BLACK,
0,
D3D12_FLOAT32_MAX,
0,
0,
D3D12_SHADER_VISIBILITY_PIXEL
};
static const D3D12_ROOT_SIGNATURE_FLAGS rs_flags_ =
D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT |
D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_AMPLIFICATION_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_MESH_SHADER_ROOT_ACCESS;
ConverterRootSignature::ConverterRootSignature (D3D_ROOT_SIGNATURE_VERSION
version, UINT num_srv, D3D12_FILTER filter, bool build_lut)
{
D3D12_VERSIONED_ROOT_SIGNATURE_DESC desc = { };
num_srv_ = num_srv;
have_lut_ = build_lut;
std::vector < D3D12_STATIC_SAMPLER_DESC > static_sampler;
D3D12_STATIC_SAMPLER_DESC sampler_desc = static_sampler_desc_;
sampler_desc.Filter = filter;
if (filter == D3D12_FILTER_ANISOTROPIC)
sampler_desc.MaxAnisotropy = 16;
static_sampler.push_back (sampler_desc);
if (build_lut) {
sampler_desc = static_sampler_desc_;
sampler_desc.ShaderRegister = 1;
static_sampler.push_back (sampler_desc);
}
std::vector < D3D12_DESCRIPTOR_RANGE1 > range_v1_1;
std::vector < D3D12_ROOT_PARAMETER1 > param_list_v1_1;
CD3DX12_ROOT_PARAMETER1 param;
ps_srv_ = 0;
for (UINT i = 0; i < num_srv; i++) {
range_v1_1.push_back (CD3DX12_DESCRIPTOR_RANGE1
(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, i, 0,
D3D12_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE |
D3D12_DESCRIPTOR_RANGE_FLAG_DATA_VOLATILE));
}
if (build_lut) {
range_v1_1.push_back (CD3DX12_DESCRIPTOR_RANGE1
(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 4, 0,
D3D12_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE |
D3D12_DESCRIPTOR_RANGE_FLAG_DATA_STATIC_WHILE_SET_AT_EXECUTE));
range_v1_1.push_back (CD3DX12_DESCRIPTOR_RANGE1
(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 5, 0,
D3D12_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE |
D3D12_DESCRIPTOR_RANGE_FLAG_DATA_STATIC_WHILE_SET_AT_EXECUTE));
}
param.InitAsDescriptorTable (range_v1_1.size (),
range_v1_1.data (), D3D12_SHADER_VISIBILITY_PIXEL);
param_list_v1_1.push_back (param);
/* VS root const, maybe updated */
vs_root_const_ = (UINT) param_list_v1_1.size ();
param.InitAsConstants (16, 0, 0, D3D12_SHADER_VISIBILITY_VERTEX);
param_list_v1_1.push_back (param);
/* PS alpha constant value, maybe updated */
ps_root_const_ = (UINT) param_list_v1_1.size ();
param.InitAsConstants (1, 1, 0, D3D12_SHADER_VISIBILITY_PIXEL);
param_list_v1_1.push_back (param);
/* PS CBV, this is static */
ps_cbv_ = (UINT) param_list_v1_1.size ();
param.InitAsConstantBufferView (2, 0,
D3D12_ROOT_DESCRIPTOR_FLAG_DATA_STATIC_WHILE_SET_AT_EXECUTE,
D3D12_SHADER_VISIBILITY_PIXEL);
param_list_v1_1.push_back (param);
CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC::Init_1_1 (desc,
param_list_v1_1.size (), param_list_v1_1.data (),
static_sampler.size (), static_sampler.data (), rs_flags_);
ComPtr < ID3DBlob > error_blob;
hr_ = D3DX12SerializeVersionedRootSignature (&desc,
version, &blob_, &error_blob);
if (FAILED (hr_)) {
const gchar *error_msg = nullptr;
if (error_blob)
error_msg = (const gchar *) error_blob->GetBufferPointer ();
GST_ERROR ("Couldn't serialize root signature, hr: 0x%x, error detail: %s",
(guint) hr_, GST_STR_NULL (error_msg));
}
}
ConverterRootSignaturePtr
gst_d3d12_get_converter_root_signature (GstD3D12Device * device,
GstVideoFormat in_format, CONVERT_TYPE type, D3D12_FILTER filter)
{
auto info = gst_video_format_get_info (in_format);
auto num_planes = GST_VIDEO_FORMAT_INFO_N_PLANES (info);
bool build_lut = false;
auto device_handle = gst_d3d12_device_get_device_handle (device);
D3D_ROOT_SIGNATURE_VERSION rs_version = D3D_ROOT_SIGNATURE_VERSION_1_1;
D3D12_FEATURE_DATA_ROOT_SIGNATURE feature_data = { };
feature_data.HighestVersion = D3D_ROOT_SIGNATURE_VERSION_1_1;
auto hr = device_handle->CheckFeatureSupport (D3D12_FEATURE_ROOT_SIGNATURE,
&feature_data, sizeof (feature_data));
if (FAILED (hr)) {
rs_version = D3D_ROOT_SIGNATURE_VERSION_1_0;
} else {
GST_INFO_OBJECT (device, "Device supports version 1.1 root signature");
}
if (type == CONVERT_TYPE::GAMMA || type == CONVERT_TYPE::PRIMARY)
build_lut = true;
auto rs = std::make_shared < ConverterRootSignature >
(rs_version, num_planes, filter, build_lut);
if (!rs->IsValid ())
return nullptr;
return rs;
}