mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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146 lines
4.2 KiB
C++
146 lines
4.2 KiB
C++
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstd3d12pluginutils.h"
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#include <directx/d3dx12.h>
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#include <vector>
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#define _XM_NO_INTRINSICS_
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#include <DirectXMath.h>
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/* *INDENT-OFF* */
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using namespace DirectX;
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/* *INDENT-ON* */
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#ifndef GST_DISABLE_GST_DEBUG
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#define GST_CAT_DEFAULT ensure_debug_category()
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static GstDebugCategory *
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ensure_debug_category (void)
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{
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static GstDebugCategory *cat = nullptr;
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GST_D3D12_CALL_ONCE_BEGIN {
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cat = _gst_debug_category_new ("d3d12pluginutils", 0, "d3d12pluginutils");
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} GST_D3D12_CALL_ONCE_END;
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return cat;
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}
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#endif /* GST_DISABLE_GST_DEBUG */
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GType
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gst_d3d12_sampling_method_get_type (void)
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{
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static GType type = 0;
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static const GEnumValue methods[] = {
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{GST_D3D12_SAMPLING_METHOD_NEAREST,
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"Nearest Neighbour", "nearest-neighbour"},
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{GST_D3D12_SAMPLING_METHOD_BILINEAR,
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"Bilinear", "bilinear"},
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{GST_D3D12_SAMPLING_METHOD_LINEAR_MINIFICATION,
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"Linear minification, point magnification", "linear-minification"},
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{GST_D3D12_SAMPLING_METHOD_ANISOTROPIC, "Anisotropic", "anisotropic"},
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{0, nullptr, nullptr},
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};
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GST_D3D12_CALL_ONCE_BEGIN {
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type = g_enum_register_static ("GstD3D12SamplingMethod", methods);
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} GST_D3D12_CALL_ONCE_END;
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return type;
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}
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struct SamplingMethodMap
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{
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GstD3D12SamplingMethod method;
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D3D12_FILTER filter;
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};
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static const SamplingMethodMap sampling_method_map[] = {
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{GST_D3D12_SAMPLING_METHOD_NEAREST, D3D12_FILTER_MIN_MAG_MIP_POINT},
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{GST_D3D12_SAMPLING_METHOD_BILINEAR, D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT},
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{GST_D3D12_SAMPLING_METHOD_LINEAR_MINIFICATION,
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D3D12_FILTER_MIN_LINEAR_MAG_MIP_POINT},
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{GST_D3D12_SAMPLING_METHOD_ANISOTROPIC, D3D12_FILTER_ANISOTROPIC},
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};
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D3D12_FILTER
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gst_d3d12_sampling_method_to_native (GstD3D12SamplingMethod method)
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{
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for (guint i = 0; i < G_N_ELEMENTS (sampling_method_map); i++) {
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if (sampling_method_map[i].method == method)
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return sampling_method_map[i].filter;
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}
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return D3D12_FILTER_MIN_MAG_MIP_POINT;
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}
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GType
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gst_d3d12_msaa_mode_get_type (void)
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{
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static GType type = 0;
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static const GEnumValue msaa_mode[] = {
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{GST_D3D12_MSAA_DISABLED, "Disabled", "disabled"},
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{GST_D3D12_MSAA_2X, "2x MSAA", "2x"},
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{GST_D3D12_MSAA_4X, "4x MSAA", "4x"},
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{GST_D3D12_MSAA_8X, "8x MSAA", "8x"},
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{0, nullptr, nullptr},
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};
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GST_D3D12_CALL_ONCE_BEGIN {
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type = g_enum_register_static ("GstD3D12MSAAMode", msaa_mode);
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} GST_D3D12_CALL_ONCE_END;
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return type;
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}
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void
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gst_d3d12_buffer_after_write (GstBuffer * buffer, guint64 fence_value)
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{
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for (guint i = 0; i < gst_buffer_n_memory (buffer); i++) {
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auto mem = gst_buffer_peek_memory (buffer, i);
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g_return_if_fail (gst_is_d3d12_memory (mem));
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auto dmem = GST_D3D12_MEMORY_CAST (mem);
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dmem->fence_value = fence_value;
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GST_MINI_OBJECT_FLAG_SET (dmem, GST_D3D12_MEMORY_TRANSFER_NEED_DOWNLOAD);
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GST_MINI_OBJECT_FLAG_UNSET (dmem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
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}
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}
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gboolean
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gst_d3d12_need_transform (gfloat rotation_x, gfloat rotation_y,
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gfloat rotation_z, gfloat scale_x, gfloat scale_y)
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{
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const gfloat min_diff = 0.00001f;
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if (!XMScalarNearEqual (rotation_x, 0.0f, min_diff) ||
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!XMScalarNearEqual (rotation_y, 0.0f, min_diff) ||
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!XMScalarNearEqual (rotation_z, 0.0f, min_diff) ||
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!XMScalarNearEqual (scale_x, 1.0f, min_diff) ||
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!XMScalarNearEqual (scale_y, 1.0f, min_diff)) {
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return TRUE;
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}
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return FALSE;
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}
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