src/gallium/auxiliary/gallivm/lp_bld_format.h

/**************************************************************************
 *
 * 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.
 *
 **************************************************************************/

#ifndef LP_BLD_FORMAT_H
#define LP_BLD_FORMAT_H


/**
 * @file
 * Pixel format helpers.
 */

#include <llvm-c/Core.h>  

#include "pipe/p_format.h"

struct util_format_description;
struct lp_type;


boolean
lp_format_is_rgba8(const struct util_format_description *desc);


void
lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
                            struct lp_type type,
                            const LLVMValueRef *unswizzled,
                            LLVMValueRef *swizzled);


LLVMValueRef
lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
                         const struct util_format_description *desc,
                         LLVMValueRef packed);


LLVMValueRef
lp_build_unpack_rgba8_aos(LLVMBuilderRef builder,
                          const struct util_format_description *desc,
                          struct lp_type type,
                          LLVMValueRef packed);


LLVMValueRef
lp_build_pack_rgba_aos(LLVMBuilderRef builder,
                       const struct util_format_description *desc,
                       LLVMValueRef rgba);


void
lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
                         const struct util_format_description *format_desc,
                         struct lp_type type,
                         LLVMValueRef packed,
                         LLVMValueRef *rgba);


#endif /* !LP_BLD_FORMAT_H */