src/gallium/drivers/llvmpipe/lp_jit.c

   1 /**************************************************************************
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   3  * Copyright 2009 VMware, Inc.
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   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  13  *
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  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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  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 static LLVMTypeRef
  44 create_jit_texture_type(struct gallivm_state *gallivm)
  45 {
  46    LLVMContextRef lc = gallivm->context;
  47    LLVMTypeRef texture_type;
  48    LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
  49
  50    /* struct lp_jit_texture */
  51    elem_types[LP_JIT_TEXTURE_WIDTH]  =
  52    elem_types[LP_JIT_TEXTURE_HEIGHT] =
  53    elem_types[LP_JIT_TEXTURE_DEPTH] =
  54    elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
  55    elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
  56    elem_types[LP_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
  57    elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
  58    elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
  59    elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
  60       LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
  61
  62    texture_type = LLVMStructTypeInContext(lc, elem_types,
  63                                           ARRAY_SIZE(elem_types), 0);
  64
  65    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
  66                           gallivm->target, texture_type,
  67                           LP_JIT_TEXTURE_WIDTH);
  68    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
  69                           gallivm->target, texture_type,
  70                           LP_JIT_TEXTURE_HEIGHT);
  71    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
  72                           gallivm->target, texture_type,
  73                           LP_JIT_TEXTURE_DEPTH);
  74    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
  75                           gallivm->target, texture_type,
  76                           LP_JIT_TEXTURE_BASE);
  77    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
  78                           gallivm->target, texture_type,
  79                           LP_JIT_TEXTURE_ROW_STRIDE);
  80    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
  81                           gallivm->target, texture_type,
  82                           LP_JIT_TEXTURE_IMG_STRIDE);
  83    LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
  84                           gallivm->target, texture_type,
  85                           LP_JIT_TEXTURE_FIRST_LEVEL);
  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, mip_offsets,
  90                           gallivm->target, texture_type,
  91                           LP_JIT_TEXTURE_MIP_OFFSETS);
  92    LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
  93                         gallivm->target, texture_type);
  94    return texture_type;
  95 }
  96
  97 static LLVMTypeRef
  98 create_jit_sampler_type(struct gallivm_state *gallivm)
  99 {
 100    LLVMContextRef lc = gallivm->context;
 101    LLVMTypeRef sampler_type;
 102    LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
 103    elem_types[LP_JIT_SAMPLER_MIN_LOD] =
 104    elem_types[LP_JIT_SAMPLER_MAX_LOD] =
 105    elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
 106    elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
 107       LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
 108
 109    sampler_type = LLVMStructTypeInContext(lc, elem_types,
 110                                           ARRAY_SIZE(elem_types), 0);
 111
 112    LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
 113                           gallivm->target, sampler_type,
 114                           LP_JIT_SAMPLER_MIN_LOD);
 115    LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
 116                           gallivm->target, sampler_type,
 117                           LP_JIT_SAMPLER_MAX_LOD);
 118    LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
 119                           gallivm->target, sampler_type,
 120                           LP_JIT_SAMPLER_LOD_BIAS);
 121    LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
 122                           gallivm->target, sampler_type,
 123                           LP_JIT_SAMPLER_BORDER_COLOR);
 124    LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
 125                         gallivm->target, sampler_type);
 126    return sampler_type;
 127 }
 128
 129 static LLVMTypeRef
 130 create_jit_image_type(struct gallivm_state *gallivm)
 131 {
 132    LLVMContextRef lc = gallivm->context;
 133    LLVMTypeRef image_type;
 134    LLVMTypeRef elem_types[LP_JIT_IMAGE_NUM_FIELDS];
 135    elem_types[LP_JIT_IMAGE_WIDTH] =
 136    elem_types[LP_JIT_IMAGE_HEIGHT] =
 137    elem_types[LP_JIT_IMAGE_DEPTH] = LLVMInt32TypeInContext(lc);
 138    elem_types[LP_JIT_IMAGE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
 139    elem_types[LP_JIT_IMAGE_ROW_STRIDE] =
 140    elem_types[LP_JIT_IMAGE_IMG_STRIDE] = LLVMInt32TypeInContext(lc);
 141
 142    image_type = LLVMStructTypeInContext(lc, elem_types,
 143                                         ARRAY_SIZE(elem_types), 0);
 144    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, width,
 145                           gallivm->target, image_type,
 146                           LP_JIT_IMAGE_WIDTH);
 147    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, height,
 148                           gallivm->target, image_type,
 149                           LP_JIT_IMAGE_HEIGHT);
 150    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, depth,
 151                           gallivm->target, image_type,
 152                           LP_JIT_IMAGE_DEPTH);
 153    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, base,
 154                           gallivm->target, image_type,
 155                           LP_JIT_IMAGE_BASE);
 156    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, row_stride,
 157                           gallivm->target, image_type,
 158                           LP_JIT_IMAGE_ROW_STRIDE);
 159    LP_CHECK_MEMBER_OFFSET(struct lp_jit_image, img_stride,
 160                           gallivm->target, image_type,
 161                           LP_JIT_IMAGE_IMG_STRIDE);
 162    return image_type;
 163 }
 164
 165 static void
 166 lp_jit_create_types(struct lp_fragment_shader_variant *lp)
 167 {
 168    struct gallivm_state *gallivm = lp->gallivm;
 169    LLVMContextRef lc = gallivm->context;
 170    LLVMTypeRef viewport_type, texture_type, sampler_type, image_type;
 171
 172    /* struct lp_jit_viewport */
 173    {
 174       LLVMTypeRef elem_types[LP_JIT_VIEWPORT_NUM_FIELDS];
 175
 176       elem_types[LP_JIT_VIEWPORT_MIN_DEPTH] =
 177       elem_types[LP_JIT_VIEWPORT_MAX_DEPTH] = LLVMFloatTypeInContext(lc);
 178
 179       viewport_type = LLVMStructTypeInContext(lc, elem_types,
 180                                               ARRAY_SIZE(elem_types), 0);
 181
 182       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, min_depth,
 183                              gallivm->target, viewport_type,
 184                              LP_JIT_VIEWPORT_MIN_DEPTH);
 185       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, max_depth,
 186                              gallivm->target, viewport_type,
 187                              LP_JIT_VIEWPORT_MAX_DEPTH);
 188       LP_CHECK_STRUCT_SIZE(struct lp_jit_viewport,
 189                            gallivm->target, viewport_type);
 190    }
 191
 192    texture_type = create_jit_texture_type(gallivm);
 193    sampler_type = create_jit_sampler_type(gallivm);
 194    image_type = create_jit_image_type(gallivm);
 195
 196    /* struct lp_jit_context */
 197    {
 198       LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
 199       LLVMTypeRef context_type;
 200
 201       elem_types[LP_JIT_CTX_CONSTANTS] =
 202          LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
 203       elem_types[LP_JIT_CTX_NUM_CONSTANTS] =
 204             LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_CONST_BUFFERS);
 205       elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
 206                                                       PIPE_MAX_SHADER_SAMPLER_VIEWS);
 207       elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
 208                                                       PIPE_MAX_SAMPLERS);
 209       elem_types[LP_JIT_CTX_IMAGES] = LLVMArrayType(image_type,
 210                                                     PIPE_MAX_SHADER_IMAGES);
 211       elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
 212       elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
 213       elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
 214       elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
 215       elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
 216       elem_types[LP_JIT_CTX_VIEWPORTS] = LLVMPointerType(viewport_type, 0);
 217       elem_types[LP_JIT_CTX_SSBOS] =
 218          LLVMArrayType(LLVMPointerType(LLVMInt32TypeInContext(lc), 0), LP_MAX_TGSI_SHADER_BUFFERS);
 219       elem_types[LP_JIT_CTX_NUM_SSBOS] =
 220             LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_SHADER_BUFFERS);
 221       context_type = LLVMStructTypeInContext(lc, elem_types,
 222                                              ARRAY_SIZE(elem_types), 0);
 223
 224       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
 225                              gallivm->target, context_type,
 226                              LP_JIT_CTX_CONSTANTS);
 227       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_constants,
 228                              gallivm->target, context_type,
 229                              LP_JIT_CTX_NUM_CONSTANTS);
 230       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
 231                              gallivm->target, context_type,
 232                              LP_JIT_CTX_TEXTURES);
 233       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
 234                              gallivm->target, context_type,
 235                              LP_JIT_CTX_SAMPLERS);
 236       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, images,
 237                              gallivm->target, context_type,
 238                              LP_JIT_CTX_IMAGES);
 239       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
 240                              gallivm->target, context_type,
 241                              LP_JIT_CTX_ALPHA_REF);
 242       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
 243                              gallivm->target, context_type,
 244                              LP_JIT_CTX_STENCIL_REF_FRONT);
 245       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
 246                              gallivm->target, context_type,
 247                              LP_JIT_CTX_STENCIL_REF_BACK);
 248       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
 249                              gallivm->target, context_type,
 250                              LP_JIT_CTX_U8_BLEND_COLOR);
 251       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
 252                              gallivm->target, context_type,
 253                              LP_JIT_CTX_F_BLEND_COLOR);
 254       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, viewports,
 255                              gallivm->target, context_type,
 256                              LP_JIT_CTX_VIEWPORTS);
 257       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, ssbos,
 258                              gallivm->target, context_type,
 259                              LP_JIT_CTX_SSBOS);
 260       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_ssbos,
 261                              gallivm->target, context_type,
 262                              LP_JIT_CTX_NUM_SSBOS);
 263       LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
 264                            gallivm->target, context_type);
 265
 266       lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
 267    }
 268
 269    /* struct lp_jit_thread_data */
 270    {
 271       LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
 272       LLVMTypeRef thread_data_type;
 273
 274       elem_types[LP_JIT_THREAD_DATA_CACHE] =
 275             LLVMPointerType(lp_build_format_cache_type(gallivm), 0);
 276       elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt64TypeInContext(lc);
 277       elem_types[LP_JIT_THREAD_DATA_INVOCATIONS] = LLVMInt64TypeInContext(lc);
 278       elem_types[LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX] =
 279             LLVMInt32TypeInContext(lc);
 280
 281       thread_data_type = LLVMStructTypeInContext(lc, elem_types,
 282                                                  ARRAY_SIZE(elem_types), 0);
 283
 284       lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
 285    }
 286
 287    if (gallivm_debug & GALLIVM_DEBUG_IR) {
 288 #if HAVE_LLVM >= 0x304
 289       char *str = LLVMPrintModuleToString(gallivm->module);
 290       fprintf(stderr, "%s", str);
 291       LLVMDisposeMessage(str);
 292 #else
 293       LLVMDumpModule(gallivm->module);
 294 #endif
 295    }
 296 }
 297
 298
 299 void
 300 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 301 {
 302    /* nothing */
 303 }
 304
 305
 306 boolean
 307 lp_jit_screen_init(struct llvmpipe_screen *screen)
 308 {
 309    return lp_build_init();
 310 }
 311
 312
 313 void
 314 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
 315 {
 316    if (!lp->jit_context_ptr_type)
 317       lp_jit_create_types(lp);
 318 }