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d3d11: Load HLSL compiler library using g_module_open

Browse source 
Depending on OS version, available d3dcompiler library name is different.
But for UWP, we can still use the current way

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1355>
This commit is contained in:
Seungha Yang 2020-06-19 21:24:59 +09:00 committed by GStreamer Merge Bot
parent 9b8eec39b6
commit 8fe1aae96c
4 changed files with 75 additions and 9 deletions
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62
sys/d3d11/gstd3d11shader.c
View file

@ -24,10 +24,61 @@
#include "gstd3d11shader.h"
#include "gstd3d11device.h"
#include "gstd3d11utils.h"
#include <gmodule.h>
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_shader_debug);
#define GST_CAT_DEFAULT gst_d3d11_shader_debug
static GModule *d3d_compiler_module = NULL;
static pD3DCompile GstD3DCompileFunc = NULL;
gboolean
gst_d3d11_shader_init (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
#if GST_D3D11_WINAPI_ONLY_APP
/* Assuming that d3d compiler library is available */
GstD3DCompileFunc = D3DCompile;
#else
static const gchar *d3d_compiler_names[] = {
"d3dcompiler_47.dll",
"d3dcompiler_46.dll",
"d3dcompiler_45.dll",
"d3dcompiler_44.dll",
"d3dcompiler_43.dll",
};
gint i;
for (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 = NULL;
GstD3DCompileFunc = NULL;
} else {
break;
}
}
}
if (!GstD3DCompileFunc)
GST_WARNING ("D3D11 compiler library is unavailable");
#endif
g_once_init_leave (&_init, 1);
}
return ! !GstD3DCompileFunc;
}
static ID3DBlob *
compile_shader (GstD3D11Device * device, const gchar * shader_source,
gboolean is_pixel_shader)
@ -38,6 +89,11 @@ compile_shader (GstD3D11Device * device, const gchar * shader_source,
D3D_FEATURE_LEVEL feature_level;
HRESULT hr;
if (!gst_d3d11_shader_init ()) {
GST_ERROR ("D3DCompiler is unavailable");
return NULL;
}
feature_level = gst_d3d11_device_get_chosen_feature_level (device);
if (is_pixel_shader) {
@ -56,8 +112,10 @@ compile_shader (GstD3D11Device * device, const gchar * shader_source,
shader_target = "vs_4_0_level_9_1";
}
hr = D3DCompile (shader_source, strlen (shader_source), NULL, NULL, NULL,
"main", shader_target, 0, 0, &ret, &error);
g_assert (GstD3DCompileFunc);
hr = GstD3DCompileFunc (shader_source, strlen (shader_source), NULL, NULL,
NULL, "main", shader_target, 0, 0, &ret, &error);
if (!gst_d3d11_result (hr, device)) {
const gchar *err = NULL;

2
sys/d3d11/gstd3d11shader.h
View file

@ -30,6 +30,8 @@ G_BEGIN_DECLS
typedef struct _GstD3D11Quad GstD3D11Quad;
gboolean gst_d3d11_shader_init (void);
gboolean gst_d3d11_create_pixel_shader (GstD3D11Device * device,
const gchar * source,
ID3D11PixelShader ** shader);

10
sys/d3d11/meson.build
View file

@ -110,10 +110,6 @@ if get_option('debug')
set_variable(f.get(3), true)
endif
endforeach
if have_d3d11sdk_h or have_dxgidebug_h
extra_dep += [gmodule_dep]
endif
endif
d3d11_conf.set10('HAVE_D3D11SDKLAYERS_H', have_d3d11sdk_h)
@ -134,7 +130,7 @@ winapi_desktop = cxx.compiles('''#include <winapifamily.h>
dependencies: [d3d11_lib, dxgi_lib],
name: 'checking if building for Win32')
if runtimeobject_lib.found()
if runtimeobject_lib.found() and d3dcompiler_lib.found()
winapi_app = cxx.compiles('''#include <winapifamily.h>
#include <windows.applicationmodel.core.h>
#include <wrl.h>
@ -157,7 +153,7 @@ winapi_app_only = winapi_app and not winapi_desktop
if winapi_app_only
d3d11_sources += ['gstd3d11window_corewindow.cpp',
'gstd3d11window_swapchainpanel.cpp']
extra_dep += [runtimeobject_lib]
extra_dep += [runtimeobject_lib, d3dcompiler_lib]
else
d3d11_sources += ['gstd3d11window_win32.cpp']
endif
@ -174,7 +170,7 @@ gstd3d11 = library('gstd3d11',
c_args : gst_plugins_bad_args + extra_c_args,
cpp_args: gst_plugins_bad_args,
include_directories : [configinc],
dependencies : [gstbase_dep, gstvideo_dep, d3d11_lib, dxgi_lib, d3dcompiler_lib] + extra_dep,
dependencies : [gstbase_dep, gstvideo_dep, gmodule_dep, d3d11_lib, dxgi_lib] + extra_dep,
install : true,
install_dir : plugins_install_dir,
)

10
sys/d3d11/plugin.c
View file

@ -29,6 +29,7 @@
#include "gstd3d11download.h"
#include "gstd3d11colorconvert.h"
#include "gstd3d11videosinkbin.h"
#include "gstd3d11shader.h"
#ifdef HAVE_DXVA_H
#include "gstd3d11utils.h"
#include "gstd3d11h264dec.h"
@ -37,6 +38,7 @@
#include "gstd3d11vp8dec.h"
#endif
GST_DEBUG_CATEGORY (gst_d3d11_debug);
GST_DEBUG_CATEGORY (gst_d3d11_shader_debug);
GST_DEBUG_CATEGORY (gst_d3d11_colorconverter_debug);
GST_DEBUG_CATEGORY (gst_d3d11_utils_debug);
@ -57,9 +59,12 @@ GST_DEBUG_CATEGORY (gst_d3d11_vp9_dec_debug);
GST_DEBUG_CATEGORY (gst_d3d11_vp8_dec_debug);
#endif
#define GST_CAT_DEFAULT gst_d3d11_debug
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (gst_d3d11_debug, "d3d11", 0, "direct3d 11 plugin");
GST_DEBUG_CATEGORY_INIT (gst_d3d11_shader_debug,
"d3d11shader", 0, "d3d11shader");
GST_DEBUG_CATEGORY_INIT (gst_d3d11_colorconverter_debug,
@ -83,6 +88,11 @@ plugin_init (GstPlugin * plugin)
"d3d11debuglayer", 0, "native d3d11 and dxgi debug");
#endif
if (!gst_d3d11_shader_init ()) {
GST_WARNING ("Cannot initialize d3d11 shader");
return TRUE;
}
gst_element_register (plugin,
"d3d11upload", GST_RANK_NONE, GST_TYPE_D3D11_UPLOAD);
gst_element_register (plugin,