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/**************************************************************************
*
* 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 "gallivm/lp_bld.h"
#include "gallivm/lp_bld_init.h"
#include "pipe/p_format.h"
struct util_format_description;
struct lp_type;
struct lp_build_context;
/*
* AoS
*/
LLVMValueRef
lp_build_format_swizzle_aos(const struct util_format_description *desc,
struct lp_build_context *bld,
LLVMValueRef unswizzled);
LLVMValueRef
lp_build_pack_rgba_aos(struct gallivm_state *gallivm,
const struct util_format_description *desc,
LLVMValueRef rgba);
LLVMValueRef
lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
const struct util_format_description *format_desc,
struct lp_type type,
LLVMValueRef base_ptr,
LLVMValueRef offset,
LLVMValueRef i,
LLVMValueRef j);
LLVMValueRef
lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm,
const struct util_format_description *format_desc,
struct lp_type type,
LLVMValueRef base_ptr,
LLVMValueRef offset);
/*
* SoA
*/
void
lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
struct lp_build_context *bld,
const LLVMValueRef unswizzled[4],
LLVMValueRef swizzled_out[4]);
void
lp_build_unpack_rgba_soa(struct gallivm_state *gallivm,
const struct util_format_description *format_desc,
struct lp_type type,
LLVMValueRef packed,
LLVMValueRef rgba_out[4]);
void
lp_build_rgba8_to_fi32_soa(struct gallivm_state *gallivm,
struct lp_type dst_type,
LLVMValueRef packed,
LLVMValueRef *rgba);
void
lp_build_fetch_rgba_soa(struct gallivm_state *gallivm,
const struct util_format_description *format_desc,
struct lp_type type,
LLVMValueRef base_ptr,
LLVMValueRef offsets,
LLVMValueRef i,
LLVMValueRef j,
LLVMValueRef rgba_out[4]);
/*
* YUV
*/
LLVMValueRef
lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
const struct util_format_description *format_desc,
unsigned n,
LLVMValueRef base_ptr,
LLVMValueRef offset,
LLVMValueRef i,
LLVMValueRef j);
/*
* special float formats
*/
LLVMValueRef
lp_build_float_to_smallfloat(struct gallivm_state *gallivm,
struct lp_type i32_type,
LLVMValueRef src,
unsigned mantissa_bits,
unsigned exponent_bits,
unsigned mantissa_start,
boolean has_sign);
LLVMValueRef
lp_build_smallfloat_to_float(struct gallivm_state *gallivm,
struct lp_type f32_type,
LLVMValueRef src,
unsigned mantissa_bits,
unsigned exponent_bits,
unsigned mantissa_start,
boolean has_sign);
LLVMValueRef
lp_build_float_to_r11g11b10(struct gallivm_state *gallivm,
LLVMValueRef *src);
void
lp_build_r11g11b10_to_float(struct gallivm_state *gallivm,
LLVMValueRef src,
LLVMValueRef *dst);
void
lp_build_rgb9e5_to_float(struct gallivm_state *gallivm,
LLVMValueRef src,
LLVMValueRef *dst);
LLVMValueRef
lp_build_float_to_srgb_packed(struct gallivm_state *gallivm,
const struct util_format_description *dst_fmt,
struct lp_type src_type,
LLVMValueRef *src);
LLVMValueRef
lp_build_srgb_to_linear(struct gallivm_state *gallivm,
struct lp_type src_type,
LLVMValueRef src);
#endif /* !LP_BLD_FORMAT_H */
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