src/gallium/drivers/llvmpipe/lp_jit.c

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