Mesa (master): d3d12: Add glon12 target which only includes d3d12 driver
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gitlab-mirror at kemper.freedesktop.org
Wed Nov 18 10:43:32 UTC 2020
Module: Mesa
Branch: master
Commit: 29996b88c2bae10a61cc2196e49b2fffd597d929
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=29996b88c2bae10a61cc2196e49b2fffd597d929
Author: Jesse Natalie <jenatali at ntdev.microsoft.com>
Date: Fri Feb 21 13:02:35 2020 -0800
d3d12: Add glon12 target which only includes d3d12 driver
This driver has no WGL or GL entrypoints, only the ones required by the
driver-loader.
Reviewed-by: Charmaine Lee <charmainel at vmware.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7535>
---
src/gallium/meson.build | 3 +
src/gallium/targets/libgl-d3d12/libgl_d3d12.c | 139 +++++++++++++++++++++++++
src/gallium/targets/libgl-d3d12/meson.build | 38 +++++++
src/gallium/targets/libgl-d3d12/openglon12.def | 20 ++++
4 files changed, 200 insertions(+)
diff --git a/src/gallium/meson.build b/src/gallium/meson.build
index ae0e7fcb3c3..4c887fbcb62 100644
--- a/src/gallium/meson.build
+++ b/src/gallium/meson.build
@@ -218,6 +218,9 @@ endif
if with_platform_windows
subdir('frontends/wgl')
subdir('targets/libgl-gdi')
+ if with_gallium_d3d12
+ subdir('targets/libgl-d3d12')
+ endif
endif
if with_tests
subdir('targets/graw-null')
diff --git a/src/gallium/targets/libgl-d3d12/libgl_d3d12.c b/src/gallium/targets/libgl-d3d12/libgl_d3d12.c
new file mode 100644
index 00000000000..94b6d99d1bf
--- /dev/null
+++ b/src/gallium/targets/libgl-d3d12/libgl_d3d12.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright © Microsoft Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+
+#include <windows.h>
+
+#include "util/u_debug.h"
+#include "stw_winsys.h"
+#include "stw_device.h"
+#include "gdi/gdi_sw_winsys.h"
+
+#include "softpipe/sp_texture.h"
+#include "softpipe/sp_screen.h"
+#include "softpipe/sp_public.h"
+
+#ifndef GALLIUM_D3D12
+#error "This file must be compiled only with the D3D12 driver"
+#endif
+#include "d3d12/d3d12_public.h"
+
+static struct pipe_screen *
+gdi_screen_create(void)
+{
+ struct pipe_screen *screen = NULL;
+ struct sw_winsys *winsys;
+
+ winsys = gdi_create_sw_winsys();
+ if(!winsys)
+ goto no_winsys;
+
+ screen = d3d12_create_screen( winsys );
+
+ if(!screen)
+ goto no_screen;
+
+ return screen;
+
+no_screen:
+ winsys->destroy(winsys);
+no_winsys:
+ return NULL;
+}
+
+
+static void
+gdi_present(struct pipe_screen *screen,
+ struct pipe_resource *res,
+ HDC hDC)
+{
+ /* This will fail if any interposing layer (trace, debug, etc) has
+ * been introduced between the state-trackers and the pipe driver.
+ *
+ * Ideally this would get replaced with a call to
+ * pipe_screen::flush_frontbuffer().
+ *
+ * Failing that, it may be necessary for intervening layers to wrap
+ * other structs such as this stw_winsys as well...
+ */
+
+ struct sw_winsys *winsys = NULL;
+ struct sw_displaytarget *dt = NULL;
+
+ screen->flush_frontbuffer(screen, res, 0, 0, hDC, NULL);
+}
+
+
+static const struct stw_winsys stw_winsys = {
+ &gdi_screen_create,
+ &gdi_present,
+ NULL, /* get_adapter_luid */
+ NULL, /* shared_surface_open */
+ NULL, /* shared_surface_close */
+ NULL /* compose */
+};
+
+
+EXTERN_C BOOL WINAPI
+DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
+
+
+BOOL WINAPI
+DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+{
+ switch (fdwReason) {
+ case DLL_PROCESS_ATTACH:
+ stw_init(&stw_winsys);
+ stw_init_thread();
+ break;
+
+ case DLL_THREAD_ATTACH:
+ stw_init_thread();
+ break;
+
+ case DLL_THREAD_DETACH:
+ stw_cleanup_thread();
+ break;
+
+ case DLL_PROCESS_DETACH:
+ if (lpvReserved == NULL) {
+ // We're being unloaded from the process.
+ stw_cleanup_thread();
+ stw_cleanup();
+ } else {
+ // Process itself is terminating, and all threads and modules are
+ // being detached.
+ //
+ // The order threads (including llvmpipe rasterizer threads) are
+ // destroyed can not be relied up, so it's not safe to cleanup.
+ //
+ // However global destructors (e.g., LLVM's) will still be called, and
+ // if Microsoft OPENGL32.DLL's DllMain is called after us, it will
+ // still try to invoke DrvDeleteContext to destroys all outstanding,
+ // so set stw_dev to NULL to return immediately if that happens.
+ stw_dev = NULL;
+ }
+ break;
+ }
+ return TRUE;
+}
diff --git a/src/gallium/targets/libgl-d3d12/meson.build b/src/gallium/targets/libgl-d3d12/meson.build
new file mode 100644
index 00000000000..2f60a29d7c9
--- /dev/null
+++ b/src/gallium/targets/libgl-d3d12/meson.build
@@ -0,0 +1,38 @@
+# Copyright © 2018 Intel Corporation
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+libopenglon12 = shared_library(
+ 'openglon12',
+ ['libgl_d3d12.c'],
+ vs_module_defs : 'openglon12.def',
+ include_directories : [
+ inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux,
+ inc_wgl, inc_gallium_winsys_sw, inc_gallium_drivers,
+ ],
+ link_whole : [libwgl],
+ link_with : [
+ libgallium, libglsl, libmesa_gallium, libwsgdi, libglapi_static, libglapi
+ ],
+ dependencies : [
+ dep_ws2_32, idep_nir, idep_mesautil, driver_d3d12
+ ],
+ name_prefix : '', # otherwise mingw will create libopenglon12.dll
+ install : true,
+)
diff --git a/src/gallium/targets/libgl-d3d12/openglon12.def b/src/gallium/targets/libgl-d3d12/openglon12.def
new file mode 100644
index 00000000000..f21e70c3b33
--- /dev/null
+++ b/src/gallium/targets/libgl-d3d12/openglon12.def
@@ -0,0 +1,20 @@
+EXPORTS
+ DrvCopyContext
+ DrvCreateContext
+ DrvCreateLayerContext
+ DrvDeleteContext
+ DrvDescribeLayerPlane
+ DrvDescribePixelFormat
+ DrvGetLayerPaletteEntries
+ DrvGetProcAddress
+ DrvPresentBuffers
+ DrvRealizeLayerPalette
+ DrvReleaseContext
+ DrvSetCallbackProcs
+ DrvSetContext
+ DrvSetLayerPaletteEntries
+ DrvSetPixelFormat
+ DrvShareLists
+ DrvSwapBuffers
+ DrvSwapLayerBuffers
+ DrvValidateVersion
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