mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-02 14:36:41 +00:00
13c90b606a
Adding a new library for HLSL compile and compiled bytecode caching. This library will be used by d3d11 and d3d12 library/plugin, in order to reuse single HLSL code and compiled HLSL bytecode. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6434>
140 lines
4 KiB
C++
140 lines
4 KiB
C++
/* GStreamer
|
|
* Copyright (C) 2024 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 "gstd3dcompile.h"
|
|
#include <gmodule.h>
|
|
#include <mutex>
|
|
|
|
/**
|
|
* SECTION:gstd3dcompile
|
|
* @title: GstD3DCompile
|
|
* @short_description: HLSL compiler and utility
|
|
*
|
|
* A set of HLSL compile helper methods
|
|
*
|
|
* Since: 1.26
|
|
*/
|
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
#define GST_CAT_DEFAULT ensure_debug_category()
|
|
static GstDebugCategory *
|
|
ensure_debug_category (void)
|
|
{
|
|
static GstDebugCategory *cat = nullptr;
|
|
static std::once_flag cat_once;
|
|
|
|
std::call_once (cat_once, [&]() {
|
|
cat = _gst_debug_category_new ("d3dcompile", 0, "d3dcompile");
|
|
});
|
|
|
|
return cat;
|
|
}
|
|
#endif /* GST_DISABLE_GST_DEBUG */
|
|
|
|
static GModule *d3d_compiler_module = nullptr;
|
|
static pD3DCompile GstD3DCompileFunc = nullptr;
|
|
|
|
/**
|
|
* gst_d3d_compile_init:
|
|
*
|
|
* Loads HLSL compiler library
|
|
*
|
|
* Returns: %TRUE if HLSL compiler library is available
|
|
*
|
|
* Since: 1.26
|
|
*/
|
|
gboolean
|
|
gst_d3d_compile_init (void)
|
|
{
|
|
static std::once_flag init_once;
|
|
std::call_once (init_once, [&]() {
|
|
static const gchar *d3d_compiler_names[] = {
|
|
"d3dcompiler_47.dll",
|
|
"d3dcompiler_46.dll",
|
|
"d3dcompiler_45.dll",
|
|
"d3dcompiler_44.dll",
|
|
"d3dcompiler_43.dll",
|
|
};
|
|
|
|
for (guint i = 0; i < G_N_ELEMENTS (d3d_compiler_names); i++) {
|
|
d3d_compiler_module =
|
|
g_module_open (d3d_compiler_names[i], G_MODULE_BIND_LAZY);
|
|
|
|
if (d3d_compiler_module) {
|
|
GST_INFO ("D3D compiler %s is available", d3d_compiler_names[i]);
|
|
if (!g_module_symbol (d3d_compiler_module, "D3DCompile",
|
|
(gpointer *) & GstD3DCompileFunc)) {
|
|
GST_ERROR ("Cannot load D3DCompile symbol from %s",
|
|
d3d_compiler_names[i]);
|
|
g_module_close (d3d_compiler_module);
|
|
d3d_compiler_module = nullptr;
|
|
GstD3DCompileFunc = nullptr;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!GstD3DCompileFunc)
|
|
GST_WARNING ("D3D compiler library is unavailable");
|
|
});
|
|
|
|
if (!GstD3DCompileFunc)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_d3d_compile:
|
|
* @src_data: source data to compile
|
|
* @src_data_size: length of src_data
|
|
* @source_name: (nullable): used for strings that specify error messages
|
|
* @defines: (nullable): null-terminated array of D3D_SHADER_MACRO struct that defines shader macros
|
|
* @include: (nullable): a ID3DInclude
|
|
* @entry_point: (nullable): the name of entry point function
|
|
* @target: a string specifies the shader target
|
|
* @flags1: flags defined by D3DCOMPILE constants
|
|
* @flags2: flags defined by D3DCOMPILE_EFFECT constants
|
|
* @code: (out) (optional): a compiled code
|
|
* @error_msgs: (out) (optional) (nullable): compiler error messages
|
|
*
|
|
* Compiles HLSL code or an effect file into bytecode for a given target
|
|
*
|
|
* Returns: HRESULT return code
|
|
*
|
|
* Since: 1.26
|
|
*/
|
|
HRESULT
|
|
gst_d3d_compile (LPCVOID src_data, SIZE_T src_data_size, LPCSTR source_name,
|
|
CONST D3D_SHADER_MACRO * defines, ID3DInclude * include, LPCSTR entry_point,
|
|
LPCSTR target, UINT flags1, UINT flags2, ID3DBlob ** code,
|
|
ID3DBlob ** error_msgs)
|
|
{
|
|
if (!gst_d3d_compile_init ())
|
|
return E_FAIL;
|
|
|
|
return GstD3DCompileFunc (src_data, src_data_size, source_name, defines,
|
|
include, entry_point, target, flags1, flags2, code, error_msgs);
|
|
}
|
|
|