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# $Id: Config.kmk $
## @file
# kBuild Configuration file for the Mesa3D.
#
#
# Copyright (C) 2016-2023 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-3.0-only
#
VBOX_MESA3D_CONFIG_KMK_INCLUDED := 1
# Include the top-level configure file.
ifndef VBOX_ROOT_CONFIG_KMK_INCLUDED
include $(PATH_ROOT)/Config.kmk
endif
VBOX_MESA := mesa-21.3.8
VBOX_PATH_3D := $(PATH_ROOT)/src/VBox/Additions/3D
VBOX_PATH_MESA := $(PATH_ROOT)/src/VBox/Additions/3D/mesa/$(VBOX_MESA)
VBOX_PATH_WDDM := $(PATH_ROOT)/src/VBox/Additions/WINNT/Graphics/Video
VBOX_PATH_VMSVGA_INC := $(VBOX_PATH_MESA)/src/gallium/drivers/svga/include
#
# Base template for Mesa3D code and code which uses Mesa3D libraries.
#
TEMPLATE_VBoxMesa3DGuestR3Dll = VBox Mesa 3D Guest User Mode DLL
TEMPLATE_VBoxMesa3DGuestR3Dll_EXTENDS = NewerVccVBoxGuestR3Dll
TEMPLATE_VBoxMesa3DGuestR3Dll_INST = $(INST_ADDITIONS)
TEMPLATE_VBoxMesa3DGuestR3Dll_DEFS = $(TEMPLATE_NewerVccVBoxGuestR3Dll_DEFS) \
VBOX_WITH_MESA3D
ifdef VBOX_WITH_VMSVGA
TEMPLATE_VBoxMesa3DGuestR3Dll_DEFS += \
VBOX_WITH_VMSVGA
# treat as error: warning C4013: 'close' undefined; assuming extern returning int
TEMPLATE_VBoxMesa3DGuestR3Dll_CFLAGS = $(TEMPLATE_NewerVccVBoxGuestR3Dll_CFLAGS) -we4013
endif
TEMPLATE_VBoxMesa3DGuestR3Dll_SDKS.win = $(TEMPLATE_NewerVccVBoxGuestR3Dll_SDKS) \
$(VBOX_WINDDK_GST_W8)
# VirtualBox specific modifications of the Mesa3D code.
# All modified places can be found by searching for VBOX
#
# Each define represents a group of related modifications.
# The purpose of the separation is to document why each modification was necessary.
#
# Modifications which would be nice to have in upstream Mesa code are marked with '*' here.
#
# VBOX Modifications in headers shared with VBox WDDM driver code (see comments).
# VBOX_WITH_MESA3D_COMPILE Tweaks to compile Mesa as part of VBox WDDM.
# VBOX_WITH_MESA3D_D3D_FROM_SYSTEMMEM Create D3DPOOL_SYSTEMMEM textures from provided system memory pointer.
# VBOX_WITH_MESA3D_D3D_THREADPOOL (No) threadpool for VBox build.
# VBOX_WITH_MESA3D_DBG Tweaks for easier debugging and better logging.
# VBOX_WITH_MESA3D_HACKS Hacks to make it work (need a proper solutions).
# *VBOX_WITH_MESA3D_MSC Tweaks for Microsoft VCC.
# VBOX_WITH_MESA3D_NINE_SVGA Make the D3D state tracker to work together with VMSVGA.
# VBOX_WITH_MESA3D_SVGA_GPU_FINISHED PIPE_QUERY_GPU_FINISHED in VMSVGA driver.
# VBOX_WITH_MESA3D_SVGA_HALFZ D3D Z coord [0.0;1.0] in the Gallium SVGA driver (VGPU9 only).
# VBOX_WITH_MESA3D_SVGA_INSTANCING Instancing for DrawPrimitives in the Gallium SVGA driver
# (VGPU9 only, VGPU10 has it).
TEMPLATE_VBoxMesa3DGuestR3Dll_DEFS += \
VBOX_WITH_MESA3D_COMPILE \
VBOX_WITH_MESA3D_D3D_FROM_SYSTEMMEM \
VBOX_WITH_MESA3D_D3D_THREADPOOL \
VBOX_WITH_MESA3D_DBG \
VBOX_WITH_MESA3D_HACKS \
VBOX_WITH_MESA3D_MSC \
VBOX_WITH_MESA3D_NINE_SVGA \
VBOX_WITH_MESA3D_SVGA_GPU_FINISHED \
VBOX_WITH_MESA3D_SVGA_HALFZ \
VBOX_WITH_MESA3D_SVGA_INSTANCING
ifdef VBOX_WITH_NOCRT_STATIC
TEMPLATE_VBoxMesa3DGuestR3Dll_DEFS += \
IPRT_NO_CRT_FOR_3RD_PARTY \
RT_WITHOUT_NOCRT_WRAPPERS \
RT_WITHOUT_NOCRT_WRAPPER_ALIASES
endif
TEMPLATE_VBoxMesa3DGuestR3Dll_DEFS.win = $(TEMPLATE_NewerVccVBoxGuestR3Dll_DEFS.win) \
_USE_MATH_DEFINES \
WINAPI=__stdcall \
_WIN32
TEMPLATE_VBoxMesa3DGuestR3Dll_INCS = $(TEMPLATE_NewerVccVBoxGuestR3Dll_INCS) \
$(VBOX_PATH_MESA)/include \
$(VBOX_PATH_MESA)/include/c99 \
$(VBOX_PATH_MESA)/src \
$(VBOX_PATH_MESA)/src/mesa \
$(VBOX_PATH_MESA)/src/gallium/auxiliary \
$(VBOX_PATH_MESA)/src/gallium/include \
$(VBOX_PATH_3D)/win/VBoxWddmUmHlp
ifdef VBOX_WITH_NOCRT_STATIC # Only the softfloat libs are added here as mesa includes a softfloat.h and we wish for no conflicts.
TEMPLATE_VBoxMesa3DGuestR3Dll_LIBS.x86 += $(TEMPLATE_NewerVccVBoxGuestR3Dll_LIBS.x86) \
$(VBOX_LIB_IPRT_GUEST_R3_SHARED_X86) \
$(SDK_VBoxSoftFloatGuestR3Shared_LIBS.x86)
TEMPLATE_VBoxMesa3DGuestR3Dll_LIBS.$(KBUILD_TARGET_ARCH) += $(TEMPLATE_NewerVccVBoxGuestR3Dll_LIBS.$(KBUILD_TARGET)) \
$(VBOX_LIB_IPRT_GUEST_R3_SHARED) \
$(SDK_VBoxSoftFloatGuestR3Shared_LIBS.$(KBUILD_TARGET_ARCH))
TEMPLATE_VBoxMesa3DGuestR3Dll_LDFLAGS.win += $(TEMPLATE_NewerVccVBoxGuestR3Dll_LDFLAGS.win)
# The -Oi- disable optimizations of math functions like sqrt(), that takes all
# parameters on the stack, into calls to __CIsqrt that takes parameters in FPU
# registers. While we could implement the __CIxxxx functions too, they would
# be difficult to test properly given that they're not directly callable from
# C. Also, there could be other aspects to these functions that we don't know
# about, given that they aren't documented all that well. See:
# https://docs.microsoft.com/en-us/cpp/preprocessor/intrinsic?view=msvc-160#intrinsic-floating-point-functions
# https://docs.microsoft.com/en-us/cpp/build/reference/oi-generate-intrinsic-functions?view=msvc-160
# Unforutnately, this does mean that we will miss out on a little bit of
# performance in 32-bit binaries.
TEMPLATE_VBoxMesa3DGuestR3Dll_CFLAGS.win.x86 += $(TEMPLATE_NewerVccVBoxGuestR3Dll_CFLAGS.win.x86) -Oi-
TEMPLATE_VBoxMesa3DGuestR3Dll_CXXFLAGS.win.x86 += $(TEMPLATE_NewerVccVBoxGuestR3Dll_CXXFLAGS.win.x86) -Oi-
endif
#
# Variant of VBoxMesa3DGuestR3Dll that requires Windows Vista or later.
#
TEMPLATE_VBoxMesa3DGuestR3DllMinVista = VBox Mesa 3D Guest User Mode DLL (Windows Vista or newer)
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_EXTENDS = VBoxMesa3DGuestR3Dll
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_VBOX_IMPORT_CHECKER.win.x86 := vista
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_VBOX_IMPORT_CHECKER.win.amd64 := vista
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_VBOX_SET_PE_VERSION.win.x86 := vista
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_VBOX_SET_PE_VERSION.win.amd64 := vista
ifeq ($(KBUILD_TARGET),win)
TEMPLATE_VBoxMesa3DGuestR3DllMinVista_LDFLAGS.win.x86 = $(filter-out -Section:.bss$(COMMA)RW!K,$(TEMPLATE_VBoxMesa3DGuestR3Dll_LDFLAGS.win.x86))
endif
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