src/gallium/drivers/llvmpipe/lp_jit.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
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   7  * copy of this software and associated documentation files (the
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   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
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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 "lp_context.h"
  40 #include "lp_jit.h"
  41
  42
  43 static void
  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, sampler_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_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
  60       elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
  61       elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
  62       elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
  63          LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
  64
  65       texture_type = LLVMStructTypeInContext(lc, elem_types,
  66                                              Elements(elem_types), 0);
  67 #if HAVE_LLVM < 0x0300
  68       LLVMAddTypeName(gallivm->module, "texture", texture_type);
  69
  70       LLVMInvalidateStructLayout(gallivm->target, texture_type);
  71 #endif
  72
  73       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
  74                              gallivm->target, texture_type,
  75                              LP_JIT_TEXTURE_WIDTH);
  76       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
  77                              gallivm->target, texture_type,
  78                              LP_JIT_TEXTURE_HEIGHT);
  79       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
  80                              gallivm->target, texture_type,
  81                              LP_JIT_TEXTURE_DEPTH);
  82       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
  83                              gallivm->target, texture_type,
  84                              LP_JIT_TEXTURE_FIRST_LEVEL);
  85       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
  86                              gallivm->target, texture_type,
  87                              LP_JIT_TEXTURE_LAST_LEVEL);
  88       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
  89                              gallivm->target, texture_type,
  90                              LP_JIT_TEXTURE_BASE);
  91       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
  92                              gallivm->target, texture_type,
  93                              LP_JIT_TEXTURE_ROW_STRIDE);
  94       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
  95                              gallivm->target, texture_type,
  96                              LP_JIT_TEXTURE_IMG_STRIDE);
  97       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, mip_offsets,
  98                              gallivm->target, texture_type,
  99                              LP_JIT_TEXTURE_MIP_OFFSETS);
 100       LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
 101                            gallivm->target, texture_type);
 102    }
 103
 104    {
 105    /* struct lp_jit_sampler */
 106       LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
 107       elem_types[LP_JIT_SAMPLER_MIN_LOD] =
 108       elem_types[LP_JIT_SAMPLER_MAX_LOD] =
 109       elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
 110       elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
 111          LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
 112
 113       sampler_type = LLVMStructTypeInContext(lc, elem_types,
 114                                              Elements(elem_types), 0);
 115 #if HAVE_LLVM < 0x0300
 116       LLVMAddTypeName(gallivm->module, "texture", texture_type);
 117
 118       LLVMInvalidateStructLayout(gallivm->target, texture_type);
 119 #endif
 120
 121       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
 122                              gallivm->target, texture_type,
 123                              LP_JIT_SAMPLER_MIN_LOD);
 124       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
 125                              gallivm->target, texture_type,
 126                              LP_JIT_SAMPLER_MAX_LOD);
 127       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
 128                              gallivm->target, texture_type,
 129                              LP_JIT_SAMPLER_LOD_BIAS);
 130       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
 131                              gallivm->target, texture_type,
 132                              LP_JIT_SAMPLER_BORDER_COLOR);
 133       LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
 134                            gallivm->target, sampler_type);
 135    }
 136
 137    /* struct lp_jit_context */
 138    {
 139       LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
 140       LLVMTypeRef context_type;
 141
 142       elem_types[LP_JIT_CTX_CONSTANTS] =
 143             LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
 144       elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
 145       elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
 146       elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
 147       elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
 148       elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
 149       elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
 150                                                       PIPE_MAX_SHADER_SAMPLER_VIEWS);
 151       elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
 152                                                       PIPE_MAX_SAMPLERS);
 153
 154       context_type = LLVMStructTypeInContext(lc, elem_types,
 155                                              Elements(elem_types), 0);
 156
 157 #if HAVE_LLVM < 0x0300
 158       LLVMInvalidateStructLayout(gallivm->target, context_type);
 159
 160       LLVMAddTypeName(gallivm->module, "context", context_type);
 161 #endif
 162
 163       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
 164                              gallivm->target, context_type,
 165                              LP_JIT_CTX_CONSTANTS);
 166       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
 167                              gallivm->target, context_type,
 168                              LP_JIT_CTX_ALPHA_REF);
 169       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
 170                              gallivm->target, context_type,
 171                              LP_JIT_CTX_STENCIL_REF_FRONT);
 172       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
 173                              gallivm->target, context_type,
 174                              LP_JIT_CTX_STENCIL_REF_BACK);
 175       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
 176                              gallivm->target, context_type,
 177                              LP_JIT_CTX_U8_BLEND_COLOR);
 178       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
 179                              gallivm->target, context_type,
 180                              LP_JIT_CTX_F_BLEND_COLOR);
 181       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
 182                              gallivm->target, context_type,
 183                              LP_JIT_CTX_TEXTURES);
 184       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
 185                              gallivm->target, context_type,
 186                              LP_JIT_CTX_SAMPLERS);
 187       LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
 188                            gallivm->target, context_type);
 189
 190       lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
 191    }
 192
 193    /* struct lp_jit_thread_data */
 194    {
 195       LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
 196       LLVMTypeRef thread_data_type;
 197
 198       elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt32TypeInContext(lc);
 199
 200       thread_data_type = LLVMStructTypeInContext(lc, elem_types,
 201                                                  Elements(elem_types), 0);
 202
 203 #if HAVE_LLVM < 0x0300
 204       LLVMInvalidateStructLayout(gallivm->target, thread_data_type);
 205
 206       LLVMAddTypeName(gallivm->module, "thread_data", thread_data_type);
 207 #endif
 208
 209       lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
 210    }
 211
 212    if (gallivm_debug & GALLIVM_DEBUG_IR) {
 213       LLVMDumpModule(gallivm->module);
 214    }
 215 }
 216
 217
 218 void
 219 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 220 {
 221    /* nothing */
 222 }
 223
 224
 225 void
 226 lp_jit_screen_init(struct llvmpipe_screen *screen)
 227 {
 228    lp_build_init();
 229 }
 230
 231
 232 void
 233 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
 234 {
 235    if (!lp->jit_context_ptr_type)
 236       lp_jit_create_types(lp);
 237 }