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 "lp_context.h"
40 #include "lp_jit.h"
41
42
43 static void
lp_jit_create_types(struct lp_fragment_shader_variant * lp)44 lp_jit_create_types(struct lp_fragment_shader_variant *lp)
45 {
46 struct gallivm_state *gallivm = lp->gallivm;
47 LLVMContextRef lc = gallivm->context;
48 LLVMTypeRef texture_type;
49
50 /* struct lp_jit_texture */
51 {
52 LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
53
54 elem_types[LP_JIT_TEXTURE_WIDTH] =
55 elem_types[LP_JIT_TEXTURE_HEIGHT] =
56 elem_types[LP_JIT_TEXTURE_DEPTH] =
57 elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
58 elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
59 elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
60 elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
61 LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
62 elem_types[LP_JIT_TEXTURE_DATA] =
63 LLVMArrayType(LLVMPointerType(LLVMInt8TypeInContext(lc), 0),
64 LP_MAX_TEXTURE_LEVELS);
65 elem_types[LP_JIT_TEXTURE_MIN_LOD] =
66 elem_types[LP_JIT_TEXTURE_MAX_LOD] =
67 elem_types[LP_JIT_TEXTURE_LOD_BIAS] = LLVMFloatTypeInContext(lc);
68 elem_types[LP_JIT_TEXTURE_BORDER_COLOR] =
69 LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
70
71 texture_type = LLVMStructTypeInContext(lc, elem_types,
72 Elements(elem_types), 0);
73 #if HAVE_LLVM < 0x0300
74 LLVMAddTypeName(gallivm->module, "texture", texture_type);
75
76 LLVMInvalidateStructLayout(gallivm->target, texture_type);
77 #endif
78
79 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
80 gallivm->target, texture_type,
81 LP_JIT_TEXTURE_WIDTH);
82 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
83 gallivm->target, texture_type,
84 LP_JIT_TEXTURE_HEIGHT);
85 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
86 gallivm->target, texture_type,
87 LP_JIT_TEXTURE_DEPTH);
88 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
89 gallivm->target, texture_type,
90 LP_JIT_TEXTURE_FIRST_LEVEL);
91 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
92 gallivm->target, texture_type,
93 LP_JIT_TEXTURE_LAST_LEVEL);
94 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
95 gallivm->target, texture_type,
96 LP_JIT_TEXTURE_ROW_STRIDE);
97 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
98 gallivm->target, texture_type,
99 LP_JIT_TEXTURE_IMG_STRIDE);
100 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data,
101 gallivm->target, texture_type,
102 LP_JIT_TEXTURE_DATA);
103 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, min_lod,
104 gallivm->target, texture_type,
105 LP_JIT_TEXTURE_MIN_LOD);
106 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, max_lod,
107 gallivm->target, texture_type,
108 LP_JIT_TEXTURE_MAX_LOD);
109 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, lod_bias,
110 gallivm->target, texture_type,
111 LP_JIT_TEXTURE_LOD_BIAS);
112 LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, border_color,
113 gallivm->target, texture_type,
114 LP_JIT_TEXTURE_BORDER_COLOR);
115
116 LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
117 gallivm->target, texture_type);
118 }
119
120 /* struct lp_jit_context */
121 {
122 LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
123 LLVMTypeRef context_type;
124
125 elem_types[LP_JIT_CTX_CONSTANTS] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
126 elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
127 elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
128 elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
129 elem_types[LP_JIT_CTX_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
130 elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
131 PIPE_MAX_SAMPLERS);
132
133 context_type = LLVMStructTypeInContext(lc, elem_types,
134 Elements(elem_types), 0);
135
136 #if HAVE_LLVM < 0x0300
137 LLVMInvalidateStructLayout(gallivm->target, context_type);
138
139 LLVMAddTypeName(gallivm->module, "context", context_type);
140 #endif
141
142 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
143 gallivm->target, context_type,
144 LP_JIT_CTX_CONSTANTS);
145 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
146 gallivm->target, context_type,
147 LP_JIT_CTX_ALPHA_REF);
148 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
149 gallivm->target, context_type,
150 LP_JIT_CTX_STENCIL_REF_FRONT);
151 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
152 gallivm->target, context_type,
153 LP_JIT_CTX_STENCIL_REF_BACK);
154 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color,
155 gallivm->target, context_type,
156 LP_JIT_CTX_BLEND_COLOR);
157 LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
158 gallivm->target, context_type,
159 LP_JIT_CTX_TEXTURES);
160 LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
161 gallivm->target, context_type);
162
163 lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
164 }
165
166 if (gallivm_debug & GALLIVM_DEBUG_IR) {
167 LLVMDumpModule(gallivm->module);
168 }
169 }
170
171
172 void
lp_jit_screen_cleanup(struct llvmpipe_screen * screen)173 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
174 {
175 /* nothing */
176 }
177
178
179 void
lp_jit_screen_init(struct llvmpipe_screen * screen)180 lp_jit_screen_init(struct llvmpipe_screen *screen)
181 {
182 lp_build_init();
183 }
184
185
186 void
lp_jit_init_types(struct lp_fragment_shader_variant * lp)187 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
188 {
189 if (!lp->jit_context_ptr_type)
190 lp_jit_create_types(lp);
191 }
192