1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef LP_BLD_FORMAT_H
29 #define LP_BLD_FORMAT_H
34 * Pixel format helpers.
37 #include "gallivm/lp_bld.h"
38 #include "gallivm/lp_bld_init.h"
40 #include "pipe/p_format.h"
42 struct util_format_description
;
44 struct lp_build_context
;
52 lp_build_format_swizzle_aos(const struct util_format_description
*desc
,
53 struct lp_build_context
*bld
,
54 LLVMValueRef unswizzled
);
57 lp_build_pack_rgba_aos(struct gallivm_state
*gallivm
,
58 const struct util_format_description
*desc
,
62 lp_build_fetch_rgba_aos(struct gallivm_state
*gallivm
,
63 const struct util_format_description
*format_desc
,
65 LLVMValueRef base_ptr
,
71 lp_build_fetch_rgba_aos_array(struct gallivm_state
*gallivm
,
72 const struct util_format_description
*format_desc
,
74 LLVMValueRef base_ptr
,
83 lp_build_format_swizzle_soa(const struct util_format_description
*format_desc
,
84 struct lp_build_context
*bld
,
85 const LLVMValueRef unswizzled
[4],
86 LLVMValueRef swizzled_out
[4]);
89 lp_build_unpack_rgba_soa(struct gallivm_state
*gallivm
,
90 const struct util_format_description
*format_desc
,
93 LLVMValueRef rgba_out
[4]);
96 lp_build_rgba8_to_fi32_soa(struct gallivm_state
*gallivm
,
97 struct lp_type dst_type
,
102 lp_build_fetch_rgba_soa(struct gallivm_state
*gallivm
,
103 const struct util_format_description
*format_desc
,
105 LLVMValueRef base_ptr
,
106 LLVMValueRef offsets
,
109 LLVMValueRef rgba_out
[4]);
117 lp_build_fetch_subsampled_rgba_aos(struct gallivm_state
*gallivm
,
118 const struct util_format_description
*format_desc
,
120 LLVMValueRef base_ptr
,
126 * special float formats
130 lp_build_smallfloat_to_float(struct gallivm_state
*gallivm
,
131 struct lp_type f32_type
,
133 unsigned mantissa_bits
,
134 unsigned exponent_bits
,
135 unsigned mantissa_start
,
139 lp_build_float_to_r11g11b10(struct gallivm_state
*gallivm
,
143 lp_build_r11g11b10_to_float(struct gallivm_state
*gallivm
,
148 lp_build_rgb9e5_to_float(struct gallivm_state
*gallivm
,
152 #endif /* !LP_BLD_FORMAT_H */