glsl: Create file to contain software fp64 functions
The following patches will add implementations of various double-precision operations to this file. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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@ -103,3 +103,7 @@ $(intermediates)/glsl/ir_expression_operation_constant.h: $(LOCAL_PATH)/glsl/ir_
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$(intermediates)/glsl/ir_expression_operation_strings.h: $(LOCAL_PATH)/glsl/ir_expression_operation.py
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@mkdir -p $(dir $@)
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$(hide) $(MESA_PYTHON2) $< strings > $@
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$(intermediates)/compiler/glsl/float64_glsl.h: $(LOCAL_PATH)/glsl/xxd.py
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@mkdir -p $(dir $@)
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$(hide) $(MESA_PYTHON2) $< $(MESA_TOP)/src/compiler/glsl/float64.glsl $@ -n float64_source > $@
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@ -226,6 +226,10 @@ glsl/ir_expression_operation_strings.h: glsl/ir_expression_operation.py
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$(MKDIR_GEN)
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$(PYTHON_GEN) $(srcdir)/glsl/ir_expression_operation.py strings > $@ || ($(RM) $@; false)
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glsl/float64_glsl.h: glsl/xxd.py glsl/float64.glsl
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$(MKDIR_GEN)
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$(PYTHON_GEN) $(srcdir)/glsl/xxd.py $(srcdir)/glsl/float64.glsl $@ -n float64_source || ($(RM) $@; false)
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# Only the parsers (specifically the header files generated at the same time)
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# need to be in BUILT_SOURCES. Though if we list the parser headers YACC is
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# called for the .c/.cpp file and the .h files. By listing the .c/.cpp files
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@ -233,6 +237,7 @@ glsl/ir_expression_operation_strings.h: glsl/ir_expression_operation.py
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# will be created at the appropriate times according to standard automake
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# dependency rules.
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BUILT_SOURCES += \
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glsl/float64_glsl.h \
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glsl/glsl_parser.cpp \
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glsl/glsl_lexer.cpp \
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glsl/ir_expression_operation.h \
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@ -241,6 +246,7 @@ BUILT_SOURCES += \
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glsl/glcpp/glcpp-parse.c \
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glsl/glcpp/glcpp-lex.c
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CLEANFILES += \
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glsl/float64_glsl.h \
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glsl/glcpp/glcpp-parse.h \
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glsl/glsl_parser.h \
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glsl/glsl_parser.cpp \
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@ -178,7 +178,8 @@ LIBGLSL_GENERATED_FILES = \
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glsl/ir_expression_operation_strings.h \
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glsl/glsl_lexer.cpp \
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glsl/glsl_parser.cpp \
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glsl/glsl_parser.h
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glsl/glsl_parser.h \
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compiler/glsl/float64_glsl.h
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# libglcpp
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@ -0,0 +1,58 @@
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/*
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* The implementations contained in this file are heavily based on the
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* implementations found in the Berkeley SoftFloat library. As such, they are
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* licensed under the same 3-clause BSD license:
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*
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* License for Berkeley SoftFloat Release 3e
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*
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* John R. Hauser
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* 2018 January 20
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*
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* The following applies to the whole of SoftFloat Release 3e as well as to
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* each source file individually.
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*
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* Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 The Regents of the
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* University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions, and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions, and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#version 430
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#extension GL_ARB_gpu_shader_int64 : enable
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#extension GL_ARB_shader_bit_encoding : enable
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#pragma warning(off)
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/* Software IEEE floating-point rounding mode.
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* GLSL spec section "4.7.1 Range and Precision":
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* The rounding mode cannot be set and is undefined.
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* But here, we are able to define the rounding mode at the compilation time.
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*/
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#define FLOAT_ROUND_NEAREST_EVEN 0
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#define FLOAT_ROUND_TO_ZERO 1
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#define FLOAT_ROUND_DOWN 2
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#define FLOAT_ROUND_UP 3
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#define FLOAT_ROUNDING_MODE FLOAT_ROUND_NEAREST_EVEN
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@ -53,6 +53,13 @@ ir_expression_operation_strings_h = custom_target(
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capture : true,
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)
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float64_glsl_h = custom_target(
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'float64_glsl.h',
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input : ['xxd.py', 'float64.glsl'],
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output : 'float64_glsl.h',
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command : [prog_python, '@INPUT@', '@OUTPUT@', '-n', 'float64_source'],
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)
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files_libglsl = files(
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'ast.h',
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'ast_array_index.cpp',
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@ -213,7 +220,8 @@ files_libglsl_standalone = files(
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libglsl = static_library(
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'glsl',
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[files_libglsl, glsl_parser, glsl_lexer_cpp, ir_expression_operation_h,
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ir_expression_operation_strings_h, ir_expression_operation_constant_h],
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ir_expression_operation_strings_h, ir_expression_operation_constant_h,
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float64_glsl_h],
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c_args : [c_vis_args, c_msvc_compat_args, no_override_init_args],
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cpp_args : [cpp_vis_args, cpp_msvc_compat_args],
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link_with : libglcpp,
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@ -312,6 +312,7 @@ LOCAL_CFLAGS := \
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LOCAL_C_INCLUDES := \
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$(MESA_DRI_C_INCLUDES) \
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$(call generated-sources-dir-for,STATIC_LIBRARIES,libmesa_glsl,,) \
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$(MESA_TOP)/include/drm-uapi
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LOCAL_SRC_FILES := \
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