1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 /**
29 * @file
30 * C - JIT interfaces
31 *
32 * @author Jose Fonseca <jfonseca@vmware.com>
33 */
34
35
36 #include "util/u_memory.h"
37 #include "gallivm/lp_bld_init.h"
38 #include "gallivm/lp_bld_debug.h"
39 #include "gallivm/lp_bld_format.h"
40 #include "lp_context.h"
41 #include "lp_jit.h"
42
43
44 static void
lp_jit_create_types(struct lp_fragment_shader_variant * lp)45 lp_jit_create_types(struct lp_fragment_shader_variant *lp)
46 {
47 struct gallivm_state *gallivm = lp->gallivm;
48 LLVMContextRef lc = gallivm->context;
49 LLVMTypeRef viewport_type, texture_type, sampler_type;
50
51 /* struct lp_jit_viewport */
52 {
53 LLVMTypeRef elem_types[LP_JIT_VIEWPORT_NUM_FIELDS];
54
55 elem_types[LP_JIT_VIEWPORT_MIN_DEPTH] =
56 elem_types[LP_JIT_VIEWPORT_MAX_DEPTH] = LLVMFloatTypeInContext(lc);
57
58 viewport_type = LLVMStructTypeInContext(lc, elem_types,
59 ARRAY_SIZE(elem_types), 0);
60
61 LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, min_depth,
62 gallivm->target, viewport_type,
63 LP_JIT_VIEWPORT_MIN_DEPTH);
64 LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, max_depth,
65 gallivm->target, viewport_type,
66 LP_JIT_VIEWPORT_MAX_DEPTH);
67 LP_CHECK_STRUCT_SIZE(struct lp_jit_viewport,
68 gallivm->target, viewport_type);
69 }
70
71 /* struct lp_jit_texture */
72 {
73 LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
74
75 elem_types[LP_JIT_TEXTURE_WIDTH] =
76 elem_types[LP_JIT_TEXTURE_HEIGHT] =
77 elem_types[LP_JIT_TEXTURE_DEPTH] =
78 elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
79 elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
80 elem_types[LP_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
81 elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
82 elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
83 elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
84 LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
85
86 texture_type = LLVMStructTypeInContext(lc, elem_types,
87 ARRAY_SIZE(elem_types), 0);
88
89 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
90 gallivm->target, texture_type,
91 LP_JIT_TEXTURE_WIDTH);
92 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
93 gallivm->target, texture_type,
94 LP_JIT_TEXTURE_HEIGHT);
95 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
96 gallivm->target, texture_type,
97 LP_JIT_TEXTURE_DEPTH);
98 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
99 gallivm->target, texture_type,
100 LP_JIT_TEXTURE_FIRST_LEVEL);
101 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
102 gallivm->target, texture_type,
103 LP_JIT_TEXTURE_LAST_LEVEL);
104 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
105 gallivm->target, texture_type,
106 LP_JIT_TEXTURE_BASE);
107 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
108 gallivm->target, texture_type,
109 LP_JIT_TEXTURE_ROW_STRIDE);
110 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
111 gallivm->target, texture_type,
112 LP_JIT_TEXTURE_IMG_STRIDE);
113 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, mip_offsets,
114 gallivm->target, texture_type,
115 LP_JIT_TEXTURE_MIP_OFFSETS);
116 LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
117 gallivm->target, texture_type);
118 }
119
120 /* struct lp_jit_sampler */
121 {
122 LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
123 elem_types[LP_JIT_SAMPLER_MIN_LOD] =
124 elem_types[LP_JIT_SAMPLER_MAX_LOD] =
125 elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
126 elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
127 LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
128
129 sampler_type = LLVMStructTypeInContext(lc, elem_types,
130 ARRAY_SIZE(elem_types), 0);
131
132 LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
133 gallivm->target, sampler_type,
134 LP_JIT_SAMPLER_MIN_LOD);
135 LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
136 gallivm->target, sampler_type,
137 LP_JIT_SAMPLER_MAX_LOD);
138 LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
139 gallivm->target, sampler_type,
140 LP_JIT_SAMPLER_LOD_BIAS);
141 LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
142 gallivm->target, sampler_type,
143 LP_JIT_SAMPLER_BORDER_COLOR);
144 LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
145 gallivm->target, sampler_type);
146 }
147
148 /* struct lp_jit_context */
149 {
150 LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
151 LLVMTypeRef context_type;
152
153 elem_types[LP_JIT_CTX_CONSTANTS] =
154 LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
155 elem_types[LP_JIT_CTX_NUM_CONSTANTS] =
156 LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_CONST_BUFFERS);
157 elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
158 elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
159 elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
160 elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
161 elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
162 elem_types[LP_JIT_CTX_VIEWPORTS] = LLVMPointerType(viewport_type, 0);
163 elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
164 PIPE_MAX_SHADER_SAMPLER_VIEWS);
165 elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
166 PIPE_MAX_SAMPLERS);
167
168 context_type = LLVMStructTypeInContext(lc, elem_types,
169 ARRAY_SIZE(elem_types), 0);
170
171 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
172 gallivm->target, context_type,
173 LP_JIT_CTX_CONSTANTS);
174 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_constants,
175 gallivm->target, context_type,
176 LP_JIT_CTX_NUM_CONSTANTS);
177 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
178 gallivm->target, context_type,
179 LP_JIT_CTX_ALPHA_REF);
180 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
181 gallivm->target, context_type,
182 LP_JIT_CTX_STENCIL_REF_FRONT);
183 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
184 gallivm->target, context_type,
185 LP_JIT_CTX_STENCIL_REF_BACK);
186 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
187 gallivm->target, context_type,
188 LP_JIT_CTX_U8_BLEND_COLOR);
189 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
190 gallivm->target, context_type,
191 LP_JIT_CTX_F_BLEND_COLOR);
192 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, viewports,
193 gallivm->target, context_type,
194 LP_JIT_CTX_VIEWPORTS);
195 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
196 gallivm->target, context_type,
197 LP_JIT_CTX_TEXTURES);
198 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
199 gallivm->target, context_type,
200 LP_JIT_CTX_SAMPLERS);
201 LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
202 gallivm->target, context_type);
203
204 lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
205 }
206
207 /* struct lp_jit_thread_data */
208 {
209 LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
210 LLVMTypeRef thread_data_type;
211
212 elem_types[LP_JIT_THREAD_DATA_CACHE] =
213 LLVMPointerType(lp_build_format_cache_type(gallivm), 0);
214 elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt64TypeInContext(lc);
215 elem_types[LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX] =
216 LLVMInt32TypeInContext(lc);
217
218 thread_data_type = LLVMStructTypeInContext(lc, elem_types,
219 ARRAY_SIZE(elem_types), 0);
220
221 lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
222 }
223
224 if (gallivm_debug & GALLIVM_DEBUG_IR) {
225 #if HAVE_LLVM >= 0x304
226 char *str = LLVMPrintModuleToString(gallivm->module);
227 fprintf(stderr, "%s", str);
228 LLVMDisposeMessage(str);
229 #else
230 LLVMDumpModule(gallivm->module);
231 #endif
232 }
233 }
234
235
236 void
lp_jit_screen_cleanup(struct llvmpipe_screen * screen)237 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
238 {
239 /* nothing */
240 }
241
242
243 boolean
lp_jit_screen_init(struct llvmpipe_screen * screen)244 lp_jit_screen_init(struct llvmpipe_screen *screen)
245 {
246 return lp_build_init();
247 }
248
249
250 void
lp_jit_init_types(struct lp_fragment_shader_variant * lp)251 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
252 {
253 if (!lp->jit_context_ptr_type)
254 lp_jit_create_types(lp);
255 }
256