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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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  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
  44 static void
  45 lp_jit_create_types(struct lp_fragment_shader_variant *lp)
  46 {
  47    struct gallivm_state *gallivm = lp->gallivm;
  48    LLVMContextRef lc = gallivm->context;
  49    LLVMTypeRef viewport_type, texture_type, sampler_type;
  50
  51    /* struct lp_jit_viewport */
  52    {
  53       LLVMTypeRef elem_types[LP_JIT_VIEWPORT_NUM_FIELDS];
  54
  55       elem_types[LP_JIT_VIEWPORT_MIN_DEPTH] =
  56       elem_types[LP_JIT_VIEWPORT_MAX_DEPTH] = LLVMFloatTypeInContext(lc);
  57
  58       viewport_type = LLVMStructTypeInContext(lc, elem_types,
  59                                               ARRAY_SIZE(elem_types), 0);
  60
  61       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, min_depth,
  62                              gallivm->target, viewport_type,
  63                              LP_JIT_VIEWPORT_MIN_DEPTH);
  64       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, max_depth,
  65                              gallivm->target, viewport_type,
  66                              LP_JIT_VIEWPORT_MAX_DEPTH);
  67       LP_CHECK_STRUCT_SIZE(struct lp_jit_viewport,
  68                            gallivm->target, viewport_type);
  69    }
  70
  71    /* struct lp_jit_texture */
  72    {
  73       LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
  74
  75       elem_types[LP_JIT_TEXTURE_WIDTH]  =
  76       elem_types[LP_JIT_TEXTURE_HEIGHT] =
  77       elem_types[LP_JIT_TEXTURE_DEPTH] =
  78       elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
  79       elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
  80       elem_types[LP_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
  81       elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
  82       elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
  83       elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
  84          LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
  85
  86       texture_type = LLVMStructTypeInContext(lc, elem_types,
  87                                              ARRAY_SIZE(elem_types), 0);
  88
  89       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
  90                              gallivm->target, texture_type,
  91                              LP_JIT_TEXTURE_WIDTH);
  92       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
  93                              gallivm->target, texture_type,
  94                              LP_JIT_TEXTURE_HEIGHT);
  95       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
  96                              gallivm->target, texture_type,
  97                              LP_JIT_TEXTURE_DEPTH);
  98       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
  99                              gallivm->target, texture_type,
 100                              LP_JIT_TEXTURE_FIRST_LEVEL);
 101       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
 102                              gallivm->target, texture_type,
 103                              LP_JIT_TEXTURE_LAST_LEVEL);
 104       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
 105                              gallivm->target, texture_type,
 106                              LP_JIT_TEXTURE_BASE);
 107       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
 108                              gallivm->target, texture_type,
 109                              LP_JIT_TEXTURE_ROW_STRIDE);
 110       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
 111                              gallivm->target, texture_type,
 112                              LP_JIT_TEXTURE_IMG_STRIDE);
 113       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, mip_offsets,
 114                              gallivm->target, texture_type,
 115                              LP_JIT_TEXTURE_MIP_OFFSETS);
 116       LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
 117                            gallivm->target, texture_type);
 118    }
 119
 120    /* struct lp_jit_sampler */
 121    {
 122       LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
 123       elem_types[LP_JIT_SAMPLER_MIN_LOD] =
 124       elem_types[LP_JIT_SAMPLER_MAX_LOD] =
 125       elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
 126       elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
 127          LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
 128
 129       sampler_type = LLVMStructTypeInContext(lc, elem_types,
 130                                              ARRAY_SIZE(elem_types), 0);
 131
 132       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
 133                              gallivm->target, sampler_type,
 134                              LP_JIT_SAMPLER_MIN_LOD);
 135       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
 136                              gallivm->target, sampler_type,
 137                              LP_JIT_SAMPLER_MAX_LOD);
 138       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
 139                              gallivm->target, sampler_type,
 140                              LP_JIT_SAMPLER_LOD_BIAS);
 141       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
 142                              gallivm->target, sampler_type,
 143                              LP_JIT_SAMPLER_BORDER_COLOR);
 144       LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
 145                            gallivm->target, sampler_type);
 146    }
 147
 148    /* struct lp_jit_context */
 149    {
 150       LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
 151       LLVMTypeRef context_type;
 152
 153       elem_types[LP_JIT_CTX_CONSTANTS] =
 154          LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
 155       elem_types[LP_JIT_CTX_NUM_CONSTANTS] =
 156             LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_CONST_BUFFERS);
 157       elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
 158       elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
 159       elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
 160       elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
 161       elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
 162       elem_types[LP_JIT_CTX_VIEWPORTS] = LLVMPointerType(viewport_type, 0);
 163       elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
 164                                                       PIPE_MAX_SHADER_SAMPLER_VIEWS);
 165       elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
 166                                                       PIPE_MAX_SAMPLERS);
 167       elem_types[LP_JIT_CTX_SSBOS] =
 168          LLVMArrayType(LLVMPointerType(LLVMInt32TypeInContext(lc), 0), LP_MAX_TGSI_SHADER_BUFFERS);
 169       elem_types[LP_JIT_CTX_NUM_SSBOS] =
 170             LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TGSI_SHADER_BUFFERS);
 171       context_type = LLVMStructTypeInContext(lc, elem_types,
 172                                              ARRAY_SIZE(elem_types), 0);
 173
 174       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
 175                              gallivm->target, context_type,
 176                              LP_JIT_CTX_CONSTANTS);
 177       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_constants,
 178                              gallivm->target, context_type,
 179                              LP_JIT_CTX_NUM_CONSTANTS);
 180       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
 181                              gallivm->target, context_type,
 182                              LP_JIT_CTX_ALPHA_REF);
 183       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
 184                              gallivm->target, context_type,
 185                              LP_JIT_CTX_STENCIL_REF_FRONT);
 186       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
 187                              gallivm->target, context_type,
 188                              LP_JIT_CTX_STENCIL_REF_BACK);
 189       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
 190                              gallivm->target, context_type,
 191                              LP_JIT_CTX_U8_BLEND_COLOR);
 192       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
 193                              gallivm->target, context_type,
 194                              LP_JIT_CTX_F_BLEND_COLOR);
 195       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, viewports,
 196                              gallivm->target, context_type,
 197                              LP_JIT_CTX_VIEWPORTS);
 198       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
 199                              gallivm->target, context_type,
 200                              LP_JIT_CTX_TEXTURES);
 201       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
 202                              gallivm->target, context_type,
 203                              LP_JIT_CTX_SAMPLERS);
 204       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, ssbos,
 205                              gallivm->target, context_type,
 206                              LP_JIT_CTX_SSBOS);
 207       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, num_ssbos,
 208                              gallivm->target, context_type,
 209                              LP_JIT_CTX_NUM_SSBOS);
 210       LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
 211                            gallivm->target, context_type);
 212
 213       lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
 214    }
 215
 216    /* struct lp_jit_thread_data */
 217    {
 218       LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
 219       LLVMTypeRef thread_data_type;
 220
 221       elem_types[LP_JIT_THREAD_DATA_CACHE] =
 222             LLVMPointerType(lp_build_format_cache_type(gallivm), 0);
 223       elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt64TypeInContext(lc);
 224       elem_types[LP_JIT_THREAD_DATA_INVOCATIONS] = LLVMInt64TypeInContext(lc);
 225       elem_types[LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX] =
 226             LLVMInt32TypeInContext(lc);
 227
 228       thread_data_type = LLVMStructTypeInContext(lc, elem_types,
 229                                                  ARRAY_SIZE(elem_types), 0);
 230
 231       lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
 232    }
 233
 234    if (gallivm_debug & GALLIVM_DEBUG_IR) {
 235 #if HAVE_LLVM >= 0x304
 236       char *str = LLVMPrintModuleToString(gallivm->module);
 237       fprintf(stderr, "%s", str);
 238       LLVMDisposeMessage(str);
 239 #else
 240       LLVMDumpModule(gallivm->module);
 241 #endif
 242    }
 243 }
 244
 245
 246 void
 247 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 248 {
 249    /* nothing */
 250 }
 251
 252
 253 boolean
 254 lp_jit_screen_init(struct llvmpipe_screen *screen)
 255 {
 256    return lp_build_init();
 257 }
 258
 259
 260 void
 261 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
 262 {
 263    if (!lp->jit_context_ptr_type)
 264       lp_jit_create_types(lp);
 265 }