Mesa (gallium-llvmpipe): llvmpipe: Structure manipulation helpers.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Sun Aug 23 11:29:26 UTC 2009
Module: Mesa
Branch: gallium-llvmpipe
Commit: 07e8b5c696e28e6084aa73c256b5be1a965908ed
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=07e8b5c696e28e6084aa73c256b5be1a965908ed
Author: José Fonseca <jfonseca at vmware.com>
Date: Sun Aug 23 06:18:28 2009 +0100
llvmpipe: Structure manipulation helpers.
---
src/gallium/drivers/llvmpipe/Makefile | 1 +
src/gallium/drivers/llvmpipe/SConscript | 1 +
src/gallium/drivers/llvmpipe/lp_bld_struct.c | 54 ++++++++++++++++++++++
src/gallium/drivers/llvmpipe/lp_bld_struct.h | 63 ++++++++++++++++++++++++++
4 files changed, 119 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile
index 5603f06..ca0a8bf 100644
--- a/src/gallium/drivers/llvmpipe/Makefile
+++ b/src/gallium/drivers/llvmpipe/Makefile
@@ -21,6 +21,7 @@ C_SOURCES = \
lp_bld_store.c \
lp_bld_logic.c \
lp_bld_swizzle.c \
+ lp_bld_struct.c \
lp_bld_tgsi_soa.c \
lp_bld_type.c \
lp_clear.c \
diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript
index ed23660..10ead09 100644
--- a/src/gallium/drivers/llvmpipe/SConscript
+++ b/src/gallium/drivers/llvmpipe/SConscript
@@ -23,6 +23,7 @@ llvmpipe = env.ConvenienceLibrary(
'lp_bld_unpack.c',
'lp_bld_load.c',
'lp_bld_store.c',
+ 'lp_bld_struct.c',
'lp_bld_logic.c',
'lp_bld_swizzle.c',
'lp_bld_tgsi_soa.c',
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_struct.c b/src/gallium/drivers/llvmpipe/lp_bld_struct.c
new file mode 100644
index 0000000..4877c4d
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_bld_struct.c
@@ -0,0 +1,54 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+/**
+ * @file
+ * Helper functions for manipulation structures.
+ *
+ * @author Jose Fonseca <jfonseca at vmware.com>
+ */
+
+
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+
+#include "lp_bld_struct.h"
+
+
+LLVMValueRef
+lp_build_struct_get(LLVMBuilderRef builder,
+ LLVMValueRef ptr,
+ unsigned member,
+ const char *name)
+{
+ LLVMValueRef indices[2];
+ indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+ indices[1] = LLVMConstInt(LLVMInt32Type(), member, 0);
+ ptr = LLVMBuildGEP(builder, ptr, indices, Elements(indices), "");
+ return LLVMBuildLoad(builder, ptr, name);
+}
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_struct.h b/src/gallium/drivers/llvmpipe/lp_bld_struct.h
new file mode 100644
index 0000000..cbefdc9
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_bld_struct.h
@@ -0,0 +1,63 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Helper functions for type conversions.
+ *
+ * @author Jose Fonseca <jfonseca at vmware.com>
+ */
+
+
+#ifndef LP_BLD_STRUCT_H
+#define LP_BLD_STRUCT_H
+
+
+#include <llvm-c/Core.h>
+#include <llvm-c/Target.h>
+
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+
+
+#define LP_CHECK_STRUCT_SIZE(_ctype, _ltarget, _ltype) \
+ assert(LLVMABISizeOfType(_ltarget, _ltype) == \
+ sizeof(_ctype))
+
+#define LP_CHECK_MEMBER_OFFSET(_ctype, _cmember, _ltarget, _ltype, _lindex) \
+ assert(LLVMOffsetOfElement(_ltarget, _ltype, _lindex) == \
+ offsetof(_ctype, _cmember))
+
+
+LLVMValueRef
+lp_build_struct_get(LLVMBuilderRef builder,
+ LLVMValueRef ptr,
+ unsigned member,
+ const char *name);
+
+
+#endif /* !LP_BLD_STRUCT_H */
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