1 /**************************************************************************
3 * Copyright 2010 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 **************************************************************************/
31 #include "draw/draw_private.h"
33 #include "draw/draw_vs.h"
34 #include "gallivm/lp_bld_sample.h"
36 #include "pipe/p_context.h"
37 #include "util/u_simple_list.h"
39 #include <llvm-c/Core.h>
40 #include <llvm-c/Analysis.h>
41 #include <llvm-c/Target.h>
42 #include <llvm-c/ExecutionEngine.h>
44 #define DRAW_MAX_TEXTURE_LEVELS 13 /* 4K x 4K for now */
47 struct llvm_vertex_shader
;
49 struct draw_jit_texture
55 uint32_t row_stride
[DRAW_MAX_TEXTURE_LEVELS
];
56 uint32_t img_stride
[DRAW_MAX_TEXTURE_LEVELS
];
57 const void *data
[DRAW_MAX_TEXTURE_LEVELS
];
61 DRAW_JIT_TEXTURE_WIDTH
= 0,
62 DRAW_JIT_TEXTURE_HEIGHT
,
63 DRAW_JIT_TEXTURE_DEPTH
,
64 DRAW_JIT_TEXTURE_LAST_LEVEL
,
65 DRAW_JIT_TEXTURE_ROW_STRIDE
,
66 DRAW_JIT_TEXTURE_IMG_STRIDE
,
67 DRAW_JIT_TEXTURE_DATA
,
68 DRAW_JIT_TEXTURE_NUM_FIELDS
/* number of fields above */
72 DRAW_JIT_VERTEX_VERTEX_ID
= 0,
78 * This structure is passed directly to the generated vertex shader.
80 * It contains the derived state.
82 * Changes here must be reflected in the draw_jit_context_* macros.
83 * Changes to the ordering should be avoided.
85 * Only use types with a clear size and padding here, in particular prefer the
86 * stdint.h types to the basic integer types.
88 struct draw_jit_context
90 const float *vs_constants
;
91 const float *gs_constants
;
94 struct draw_jit_texture textures
[PIPE_MAX_VERTEX_SAMPLERS
];
98 #define draw_jit_context_vs_constants(_builder, _ptr) \
99 lp_build_struct_get(_builder, _ptr, 0, "vs_constants")
101 #define draw_jit_context_gs_constants(_builder, _ptr) \
102 lp_build_struct_get(_builder, _ptr, 1, "gs_constants")
104 #define DRAW_JIT_CTX_TEXTURES 2
106 #define draw_jit_context_textures(_builder, _ptr) \
107 lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CTX_TEXTURES, "textures")
111 #define draw_jit_header_id(_builder, _ptr) \
112 lp_build_struct_get_ptr(_builder, _ptr, 0, "id")
114 #define draw_jit_header_clip(_builder, _ptr) \
115 lp_build_struct_get(_builder, _ptr, 1, "clip")
117 #define draw_jit_header_data(_builder, _ptr) \
118 lp_build_struct_get_ptr(_builder, _ptr, 2, "data")
121 #define draw_jit_vbuffer_stride(_builder, _ptr) \
122 lp_build_struct_get(_builder, _ptr, 0, "stride")
124 #define draw_jit_vbuffer_max_index(_builder, _ptr) \
125 lp_build_struct_get(_builder, _ptr, 1, "max_index")
127 #define draw_jit_vbuffer_offset(_builder, _ptr) \
128 lp_build_struct_get(_builder, _ptr, 2, "buffer_offset")
132 (*draw_jit_vert_func
)(struct draw_jit_context
*context
,
133 struct vertex_header
*io
,
134 const char *vbuffers
[PIPE_MAX_ATTRIBS
],
138 struct pipe_vertex_buffer
*vertex_buffers
);
142 (*draw_jit_vert_func_elts
)(struct draw_jit_context
*context
,
143 struct vertex_header
*io
,
144 const char *vbuffers
[PIPE_MAX_ATTRIBS
],
145 const unsigned *fetch_elts
,
146 unsigned fetch_count
,
148 struct pipe_vertex_buffer
*vertex_buffers
);
150 struct draw_llvm_variant_key
152 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
153 unsigned nr_vertex_elements
;
154 struct pipe_shader_state vs
;
155 struct lp_sampler_static_state sampler
[PIPE_MAX_VERTEX_SAMPLERS
];
158 struct draw_llvm_variant_list_item
160 struct draw_llvm_variant
*base
;
161 struct draw_llvm_variant_list_item
*next
, *prev
;
164 struct draw_llvm_variant
166 struct draw_llvm_variant_key key
;
167 LLVMValueRef function
;
168 LLVMValueRef function_elts
;
169 draw_jit_vert_func jit_func
;
170 draw_jit_vert_func_elts jit_func_elts
;
172 struct llvm_vertex_shader
*shader
;
174 struct draw_llvm
*llvm
;
175 struct draw_llvm_variant_list_item list_item_global
;
176 struct draw_llvm_variant_list_item list_item_local
;
179 struct llvm_vertex_shader
{
180 struct draw_vertex_shader base
;
182 struct draw_llvm_variant_list_item variants
;
183 unsigned variants_created
;
184 unsigned variants_cached
;
188 struct draw_context
*draw
;
190 struct draw_jit_context jit_context
;
192 struct draw_llvm_variant_list_item vs_variants_list
;
195 LLVMModuleRef module
;
196 LLVMExecutionEngineRef engine
;
197 LLVMModuleProviderRef provider
;
198 LLVMTargetDataRef target
;
199 LLVMPassManagerRef pass
;
201 LLVMTypeRef context_ptr_type
;
202 LLVMTypeRef vertex_header_ptr_type
;
203 LLVMTypeRef buffer_ptr_type
;
204 LLVMTypeRef vb_ptr_type
;
207 static INLINE
struct llvm_vertex_shader
*
208 llvm_vertex_shader(struct draw_vertex_shader
*vs
)
210 return (struct llvm_vertex_shader
*)vs
;
215 draw_llvm_create(struct draw_context
*draw
);
218 draw_llvm_destroy(struct draw_llvm
*llvm
);
220 struct draw_llvm_variant
*
221 draw_llvm_create_variant(struct draw_llvm
*llvm
, int num_inputs
);
224 draw_llvm_destroy_variant(struct draw_llvm_variant
*variant
);
227 draw_llvm_make_variant_key(struct draw_llvm
*llvm
,
228 struct draw_llvm_variant_key
*key
);
231 draw_llvm_translate_from(LLVMBuilderRef builder
,
232 LLVMValueRef vbuffer
,
233 enum pipe_format from_format
);
235 struct lp_build_sampler_soa
*
236 draw_llvm_sampler_soa_create(const struct lp_sampler_static_state
*static_state
,
237 LLVMValueRef context_ptr
);
240 draw_llvm_set_mapped_texture(struct draw_context
*draw
,
241 unsigned sampler_idx
,
242 uint32_t width
, uint32_t height
, uint32_t depth
,
244 uint32_t row_stride
[DRAW_MAX_TEXTURE_LEVELS
],
245 uint32_t img_stride
[DRAW_MAX_TEXTURE_LEVELS
],
246 const void *data
[DRAW_MAX_TEXTURE_LEVELS
]);