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,
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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
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19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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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 **************************************************************************/
30 * Depth/stencil testing to LLVM IR translation.
32 * @author Jose Fonseca <jfonseca@vmware.com>
35 #ifndef LP_BLD_DEPTH_H
36 #define LP_BLD_DEPTH_H
39 #include "pipe/p_compiler.h"
40 #include "pipe/p_state.h"
42 #include "gallivm/lp_bld.h"
45 struct pipe_depth_state
;
47 struct util_format_description
;
49 struct lp_build_mask_context
;
53 lp_depth_type(const struct util_format_description
*format_desc
,
58 lp_build_depth_stencil_test(struct gallivm_state
*gallivm
,
59 const struct pipe_depth_state
*depth
,
60 const struct pipe_stencil_state stencil
[2],
61 struct lp_type z_src_type
,
62 const struct util_format_description
*format_desc
,
63 struct lp_build_mask_context
*mask
,
64 LLVMValueRef stencil_refs
[2],
69 LLVMValueRef
*z_value
,
70 LLVMValueRef
*s_value
,
74 lp_build_depth_stencil_load_swizzled(struct gallivm_state
*gallivm
,
75 struct lp_type z_src_type
,
76 const struct util_format_description
*format_desc
,
78 LLVMValueRef depth_ptr
,
79 LLVMValueRef depth_stride
,
82 LLVMValueRef loop_counter
);
85 lp_build_depth_stencil_write_swizzled(struct gallivm_state
*gallivm
,
86 struct lp_type z_src_type
,
87 const struct util_format_description
*format_desc
,
89 struct lp_build_mask_context
*mask
,
92 LLVMValueRef loop_counter
,
93 LLVMValueRef depth_ptr
,
94 LLVMValueRef depth_stride
,
96 LLVMValueRef s_value
);
100 lp_build_occlusion_count(struct gallivm_state
*gallivm
,
102 LLVMValueRef maskvalue
,
103 LLVMValueRef counter
);
105 #endif /* !LP_BLD_DEPTH_H */