lp_jit.c revision af69d88d 
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
43static void
44lp_jit_create_types(struct lp_fragment_shader_variant *lp)
45{
46   struct gallivm_state *gallivm = lp->gallivm;
47   LLVMContextRef lc = gallivm->context;
48   LLVMTypeRef viewport_type, texture_type, sampler_type;
49
50   /* struct lp_jit_viewport */
51   {
52      LLVMTypeRef elem_types[LP_JIT_VIEWPORT_NUM_FIELDS];
53
54      elem_types[LP_JIT_VIEWPORT_MIN_DEPTH] =
55      elem_types[LP_JIT_VIEWPORT_MAX_DEPTH] = LLVMFloatTypeInContext(lc);
56
57      viewport_type = LLVMStructTypeInContext(lc, elem_types,
58                                              Elements(elem_types), 0);
59
60      LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, min_depth,
61                             gallivm->target, viewport_type,
62                             LP_JIT_VIEWPORT_MIN_DEPTH);
63      LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, max_depth,
64                             gallivm->target, viewport_type,
65                             LP_JIT_VIEWPORT_MAX_DEPTH);
66      LP_CHECK_STRUCT_SIZE(struct lp_jit_viewport,
67                           gallivm->target, viewport_type);
68   }
69
70   /* struct lp_jit_texture */
71   {
72      LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
73
74      elem_types[LP_JIT_TEXTURE_WIDTH]  =
75      elem_types[LP_JIT_TEXTURE_HEIGHT] =
76      elem_types[LP_JIT_TEXTURE_DEPTH] =
77      elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
78      elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
79      elem_types[LP_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
80      elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
81      elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
82      elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
83         LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
84
85      texture_type = LLVMStructTypeInContext(lc, elem_types,
86                                             Elements(elem_types), 0);
87
88      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
89                             gallivm->target, texture_type,
90                             LP_JIT_TEXTURE_WIDTH);
91      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
92                             gallivm->target, texture_type,
93                             LP_JIT_TEXTURE_HEIGHT);
94      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
95                             gallivm->target, texture_type,
96                             LP_JIT_TEXTURE_DEPTH);
97      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
98                             gallivm->target, texture_type,
99                             LP_JIT_TEXTURE_FIRST_LEVEL);
100      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
101                             gallivm->target, texture_type,
102                             LP_JIT_TEXTURE_LAST_LEVEL);
103      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
104                             gallivm->target, texture_type,
105                             LP_JIT_TEXTURE_BASE);
106      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
107                             gallivm->target, texture_type,
108                             LP_JIT_TEXTURE_ROW_STRIDE);
109      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
110                             gallivm->target, texture_type,
111                             LP_JIT_TEXTURE_IMG_STRIDE);
112      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, mip_offsets,
113                             gallivm->target, texture_type,
114                             LP_JIT_TEXTURE_MIP_OFFSETS);
115      LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
116                           gallivm->target, texture_type);
117   }
118
119   /* struct lp_jit_sampler */
120   {
121      LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
122      elem_types[LP_JIT_SAMPLER_MIN_LOD] =
123      elem_types[LP_JIT_SAMPLER_MAX_LOD] =
124      elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
125      elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
126         LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
127
128      sampler_type = LLVMStructTypeInContext(lc, elem_types,
129                                             Elements(elem_types), 0);
130
131      LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
132                             gallivm->target, sampler_type,
133                             LP_JIT_SAMPLER_MIN_LOD);
134      LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
135                             gallivm->target, sampler_type,
136                             LP_JIT_SAMPLER_MAX_LOD);
137      LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
138                             gallivm->target, sampler_type,
139                             LP_JIT_SAMPLER_LOD_BIAS);
140      LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
141                             gallivm->target, sampler_type,
142                             LP_JIT_SAMPLER_BORDER_COLOR);
143      LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
144                           gallivm->target, sampler_type);
145   }
146
147   /* struct lp_jit_context */
148   {
149      LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
150      LLVMTypeRef context_type;
151
152      elem_types[LP_JIT_CTX_CONSTANTS] =
153         LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
154      elem_types[LP_JIT_CTX_NUM_CONSTANTS] =
155            LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_CONST_BUFFERS);
156      elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
157      elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
158      elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
159      elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
160      elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
161      elem_types[LP_JIT_CTX_VIEWPORTS] = LLVMPointerType(viewport_type, 0);
162      elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
163                                                      PIPE_MAX_SHADER_SAMPLER_VIEWS);
164      elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
165                                                      PIPE_MAX_SAMPLERS);
166
167      context_type = LLVMStructTypeInContext(lc, elem_types,
168                                             Elements(elem_types), 0);
169
170      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
171                             gallivm->target, context_type,
172                             LP_JIT_CTX_CONSTANTS);
173      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_constants,
174                             gallivm->target, context_type,
175                             LP_JIT_CTX_NUM_CONSTANTS);
176      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
177                             gallivm->target, context_type,
178                             LP_JIT_CTX_ALPHA_REF);
179      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
180                             gallivm->target, context_type,
181                             LP_JIT_CTX_STENCIL_REF_FRONT);
182      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
183                             gallivm->target, context_type,
184                             LP_JIT_CTX_STENCIL_REF_BACK);
185      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
186                             gallivm->target, context_type,
187                             LP_JIT_CTX_U8_BLEND_COLOR);
188      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
189                             gallivm->target, context_type,
190                             LP_JIT_CTX_F_BLEND_COLOR);
191      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, viewports,
192                             gallivm->target, context_type,
193                             LP_JIT_CTX_VIEWPORTS);
194      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
195                             gallivm->target, context_type,
196                             LP_JIT_CTX_TEXTURES);
197      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
198                             gallivm->target, context_type,
199                             LP_JIT_CTX_SAMPLERS);
200      LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
201                           gallivm->target, context_type);
202
203      lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
204   }
205
206   /* struct lp_jit_thread_data */
207   {
208      LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
209      LLVMTypeRef thread_data_type;
210
211      elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt64TypeInContext(lc);
212      elem_types[LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX] =
213            LLVMInt32TypeInContext(lc);
214
215      thread_data_type = LLVMStructTypeInContext(lc, elem_types,
216                                                 Elements(elem_types), 0);
217
218      lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
219   }
220
221   if (gallivm_debug & GALLIVM_DEBUG_IR) {
222      LLVMDumpModule(gallivm->module);
223   }
224}
225
226
227void
228lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
229{
230   /* nothing */
231}
232
233
234void
235lp_jit_screen_init(struct llvmpipe_screen *screen)
236{
237   lp_build_init();
238}
239
240
241void
242lp_jit_init_types(struct lp_fragment_shader_variant *lp)
243{
244   if (!lp->jit_context_ptr_type)
245      lp_jit_create_types(lp);
246}
247