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 float border_color
[4];
65 DRAW_JIT_TEXTURE_WIDTH
= 0,
66 DRAW_JIT_TEXTURE_HEIGHT
,
67 DRAW_JIT_TEXTURE_DEPTH
,
68 DRAW_JIT_TEXTURE_LAST_LEVEL
,
69 DRAW_JIT_TEXTURE_ROW_STRIDE
,
70 DRAW_JIT_TEXTURE_IMG_STRIDE
,
71 DRAW_JIT_TEXTURE_DATA
,
72 DRAW_JIT_TEXTURE_MIN_LOD
,
73 DRAW_JIT_TEXTURE_MAX_LOD
,
74 DRAW_JIT_TEXTURE_LOD_BIAS
,
75 DRAW_JIT_TEXTURE_BORDER_COLOR
,
76 DRAW_JIT_TEXTURE_NUM_FIELDS
/* number of fields above */
80 DRAW_JIT_VERTEX_VERTEX_ID
= 0,
86 * This structure is passed directly to the generated vertex shader.
88 * It contains the derived state.
90 * Changes here must be reflected in the draw_jit_context_* macros.
91 * Changes to the ordering should be avoided.
93 * Only use types with a clear size and padding here, in particular prefer the
94 * stdint.h types to the basic integer types.
96 struct draw_jit_context
98 const float *vs_constants
;
99 const float *gs_constants
;
102 struct draw_jit_texture textures
[PIPE_MAX_VERTEX_SAMPLERS
];
106 #define draw_jit_context_vs_constants(_builder, _ptr) \
107 lp_build_struct_get(_builder, _ptr, 0, "vs_constants")
109 #define draw_jit_context_gs_constants(_builder, _ptr) \
110 lp_build_struct_get(_builder, _ptr, 1, "gs_constants")
112 #define DRAW_JIT_CTX_TEXTURES 2
114 #define draw_jit_context_textures(_builder, _ptr) \
115 lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CTX_TEXTURES, "textures")
119 #define draw_jit_header_id(_builder, _ptr) \
120 lp_build_struct_get_ptr(_builder, _ptr, 0, "id")
122 #define draw_jit_header_clip(_builder, _ptr) \
123 lp_build_struct_get_ptr(_builder, _ptr, 1, "clip")
125 #define draw_jit_header_data(_builder, _ptr) \
126 lp_build_struct_get_ptr(_builder, _ptr, 2, "data")
129 #define draw_jit_vbuffer_stride(_builder, _ptr) \
130 lp_build_struct_get(_builder, _ptr, 0, "stride")
132 #define draw_jit_vbuffer_max_index(_builder, _ptr) \
133 lp_build_struct_get(_builder, _ptr, 1, "max_index")
135 #define draw_jit_vbuffer_offset(_builder, _ptr) \
136 lp_build_struct_get(_builder, _ptr, 2, "buffer_offset")
140 (*draw_jit_vert_func
)(struct draw_jit_context
*context
,
141 struct vertex_header
*io
,
142 const char *vbuffers
[PIPE_MAX_ATTRIBS
],
146 struct pipe_vertex_buffer
*vertex_buffers
,
147 unsigned instance_id
);
151 (*draw_jit_vert_func_elts
)(struct draw_jit_context
*context
,
152 struct vertex_header
*io
,
153 const char *vbuffers
[PIPE_MAX_ATTRIBS
],
154 const unsigned *fetch_elts
,
155 unsigned fetch_count
,
157 struct pipe_vertex_buffer
*vertex_buffers
,
158 unsigned instance_id
);
160 struct draw_llvm_variant_key
162 unsigned nr_vertex_elements
:16;
163 unsigned nr_samplers
:12;
164 unsigned disable_cliptest
:1;
165 unsigned disable_viewport
:1;
166 unsigned disable_zclipping
:1;
167 unsigned enable_d3dclipping
:1;
169 /* Variable number of vertex elements:
171 struct pipe_vertex_element vertex_element
[1];
173 /* Followed by variable number of samplers:
175 /* struct lp_sampler_static_state sampler; */
178 #define DRAW_LLVM_MAX_VARIANT_KEY_SIZE \
179 (sizeof(struct draw_llvm_variant_key) + \
180 PIPE_MAX_VERTEX_SAMPLERS * sizeof(struct lp_sampler_static_state) + \
181 (PIPE_MAX_ATTRIBS-1) * sizeof(struct pipe_vertex_element))
185 draw_llvm_variant_key_size(unsigned nr_vertex_elements
,
186 unsigned nr_samplers
)
188 return (sizeof(struct draw_llvm_variant_key
) +
189 nr_samplers
* sizeof(struct lp_sampler_static_state
) +
190 (nr_vertex_elements
- 1) * sizeof(struct pipe_vertex_element
));
194 static INLINE
struct lp_sampler_static_state
*
195 draw_llvm_variant_key_samplers(struct draw_llvm_variant_key
*key
)
197 return (struct lp_sampler_static_state
*)
198 &key
->vertex_element
[key
->nr_vertex_elements
];
203 struct draw_llvm_variant_list_item
205 struct draw_llvm_variant
*base
;
206 struct draw_llvm_variant_list_item
*next
, *prev
;
209 struct draw_llvm_variant
211 LLVMValueRef function
;
212 LLVMValueRef function_elts
;
213 draw_jit_vert_func jit_func
;
214 draw_jit_vert_func_elts jit_func_elts
;
216 struct llvm_vertex_shader
*shader
;
218 struct draw_llvm
*llvm
;
219 struct draw_llvm_variant_list_item list_item_global
;
220 struct draw_llvm_variant_list_item list_item_local
;
222 /* key is variable-sized, must be last */
223 struct draw_llvm_variant_key key
;
224 /* key is variable-sized, must be last */
227 struct llvm_vertex_shader
{
228 struct draw_vertex_shader base
;
230 unsigned variant_key_size
;
231 struct draw_llvm_variant_list_item variants
;
232 unsigned variants_created
;
233 unsigned variants_cached
;
237 struct draw_context
*draw
;
239 struct draw_jit_context jit_context
;
241 struct draw_llvm_variant_list_item vs_variants_list
;
244 LLVMModuleRef module
;
245 LLVMExecutionEngineRef engine
;
246 LLVMModuleProviderRef provider
;
247 LLVMTargetDataRef target
;
248 LLVMPassManagerRef pass
;
250 LLVMTypeRef context_ptr_type
;
251 LLVMTypeRef vertex_header_ptr_type
;
252 LLVMTypeRef buffer_ptr_type
;
253 LLVMTypeRef vb_ptr_type
;
256 static INLINE
struct llvm_vertex_shader
*
257 llvm_vertex_shader(struct draw_vertex_shader
*vs
)
259 return (struct llvm_vertex_shader
*)vs
;
264 draw_llvm_create(struct draw_context
*draw
);
267 draw_llvm_destroy(struct draw_llvm
*llvm
);
269 struct draw_llvm_variant
*
270 draw_llvm_create_variant(struct draw_llvm
*llvm
,
271 unsigned num_vertex_header_attribs
,
272 const struct draw_llvm_variant_key
*key
);
275 draw_llvm_destroy_variant(struct draw_llvm_variant
*variant
);
277 struct draw_llvm_variant_key
*
278 draw_llvm_make_variant_key(struct draw_llvm
*llvm
, char *store
);
281 draw_llvm_translate_from(LLVMBuilderRef builder
,
282 LLVMValueRef vbuffer
,
283 enum pipe_format from_format
);
285 struct lp_build_sampler_soa
*
286 draw_llvm_sampler_soa_create(const struct lp_sampler_static_state
*static_state
,
287 LLVMValueRef context_ptr
);
290 draw_llvm_set_mapped_texture(struct draw_context
*draw
,
291 unsigned sampler_idx
,
292 uint32_t width
, uint32_t height
, uint32_t depth
,
294 uint32_t row_stride
[DRAW_MAX_TEXTURE_LEVELS
],
295 uint32_t img_stride
[DRAW_MAX_TEXTURE_LEVELS
],
296 const void *data
[DRAW_MAX_TEXTURE_LEVELS
]);