src/gallium/drivers/llvmpipe/lp_jit.c

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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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  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
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  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 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 #if HAVE_LLVM < 0x0300
  61       LLVMAddTypeName(gallivm->module, "viewport", viewport_type);
  62
  63       LLVMInvalidateStructLayout(gallivm->target, viewport_type);
  64 #endif
  65
  66       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, min_depth,
  67                              gallivm->target, viewport_type,
  68                              LP_JIT_VIEWPORT_MIN_DEPTH);
  69       LP_CHECK_MEMBER_OFFSET(struct lp_jit_viewport, max_depth,
  70                              gallivm->target, viewport_type,
  71                              LP_JIT_VIEWPORT_MAX_DEPTH);
  72       LP_CHECK_STRUCT_SIZE(struct lp_jit_viewport,
  73                            gallivm->target, viewport_type);
  74    }
  75
  76    /* struct lp_jit_texture */
  77    {
  78       LLVMTypeRef elem_types[LP_JIT_TEXTURE_NUM_FIELDS];
  79
  80       elem_types[LP_JIT_TEXTURE_WIDTH]  =
  81       elem_types[LP_JIT_TEXTURE_HEIGHT] =
  82       elem_types[LP_JIT_TEXTURE_DEPTH] =
  83       elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
  84       elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32TypeInContext(lc);
  85       elem_types[LP_JIT_TEXTURE_BASE] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
  86       elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
  87       elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
  88       elem_types[LP_JIT_TEXTURE_MIP_OFFSETS] =
  89          LLVMArrayType(LLVMInt32TypeInContext(lc), LP_MAX_TEXTURE_LEVELS);
  90
  91       texture_type = LLVMStructTypeInContext(lc, elem_types,
  92                                              Elements(elem_types), 0);
  93 #if HAVE_LLVM < 0x0300
  94       LLVMAddTypeName(gallivm->module, "texture", texture_type);
  95
  96       LLVMInvalidateStructLayout(gallivm->target, texture_type);
  97 #endif
  98
  99       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
 100                              gallivm->target, texture_type,
 101                              LP_JIT_TEXTURE_WIDTH);
 102       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
 103                              gallivm->target, texture_type,
 104                              LP_JIT_TEXTURE_HEIGHT);
 105       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
 106                              gallivm->target, texture_type,
 107                              LP_JIT_TEXTURE_DEPTH);
 108       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
 109                              gallivm->target, texture_type,
 110                              LP_JIT_TEXTURE_FIRST_LEVEL);
 111       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
 112                              gallivm->target, texture_type,
 113                              LP_JIT_TEXTURE_LAST_LEVEL);
 114       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, base,
 115                              gallivm->target, texture_type,
 116                              LP_JIT_TEXTURE_BASE);
 117       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, row_stride,
 118                              gallivm->target, texture_type,
 119                              LP_JIT_TEXTURE_ROW_STRIDE);
 120       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, img_stride,
 121                              gallivm->target, texture_type,
 122                              LP_JIT_TEXTURE_IMG_STRIDE);
 123       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, mip_offsets,
 124                              gallivm->target, texture_type,
 125                              LP_JIT_TEXTURE_MIP_OFFSETS);
 126       LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
 127                            gallivm->target, texture_type);
 128    }
 129
 130    /* struct lp_jit_sampler */
 131    {
 132       LLVMTypeRef elem_types[LP_JIT_SAMPLER_NUM_FIELDS];
 133       elem_types[LP_JIT_SAMPLER_MIN_LOD] =
 134       elem_types[LP_JIT_SAMPLER_MAX_LOD] =
 135       elem_types[LP_JIT_SAMPLER_LOD_BIAS] = LLVMFloatTypeInContext(lc);
 136       elem_types[LP_JIT_SAMPLER_BORDER_COLOR] =
 137          LLVMArrayType(LLVMFloatTypeInContext(lc), 4);
 138
 139       sampler_type = LLVMStructTypeInContext(lc, elem_types,
 140                                              Elements(elem_types), 0);
 141 #if HAVE_LLVM < 0x0300
 142       LLVMAddTypeName(gallivm->module, "sampler", sampler_type);
 143
 144       LLVMInvalidateStructLayout(gallivm->target, sampler_type);
 145 #endif
 146
 147       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, min_lod,
 148                              gallivm->target, sampler_type,
 149                              LP_JIT_SAMPLER_MIN_LOD);
 150       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, max_lod,
 151                              gallivm->target, sampler_type,
 152                              LP_JIT_SAMPLER_MAX_LOD);
 153       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, lod_bias,
 154                              gallivm->target, sampler_type,
 155                              LP_JIT_SAMPLER_LOD_BIAS);
 156       LP_CHECK_MEMBER_OFFSET(struct lp_jit_sampler, border_color,
 157                              gallivm->target, sampler_type,
 158                              LP_JIT_SAMPLER_BORDER_COLOR);
 159       LP_CHECK_STRUCT_SIZE(struct lp_jit_sampler,
 160                            gallivm->target, sampler_type);
 161    }
 162
 163    /* struct lp_jit_context */
 164    {
 165       LLVMTypeRef elem_types[LP_JIT_CTX_COUNT];
 166       LLVMTypeRef context_type;
 167
 168       elem_types[LP_JIT_CTX_CONSTANTS] =
 169             LLVMArrayType(LLVMPointerType(LLVMFloatTypeInContext(lc), 0), LP_MAX_TGSI_CONST_BUFFERS);
 170       elem_types[LP_JIT_CTX_ALPHA_REF] = LLVMFloatTypeInContext(lc);
 171       elem_types[LP_JIT_CTX_STENCIL_REF_FRONT] =
 172       elem_types[LP_JIT_CTX_STENCIL_REF_BACK] = LLVMInt32TypeInContext(lc);
 173       elem_types[LP_JIT_CTX_U8_BLEND_COLOR] = LLVMPointerType(LLVMInt8TypeInContext(lc), 0);
 174       elem_types[LP_JIT_CTX_F_BLEND_COLOR] = LLVMPointerType(LLVMFloatTypeInContext(lc), 0);
 175       elem_types[LP_JIT_CTX_VIEWPORTS] = LLVMPointerType(viewport_type, 0);
 176       elem_types[LP_JIT_CTX_TEXTURES] = LLVMArrayType(texture_type,
 177                                                       PIPE_MAX_SHADER_SAMPLER_VIEWS);
 178       elem_types[LP_JIT_CTX_SAMPLERS] = LLVMArrayType(sampler_type,
 179                                                       PIPE_MAX_SAMPLERS);
 180
 181       context_type = LLVMStructTypeInContext(lc, elem_types,
 182                                              Elements(elem_types), 0);
 183
 184 #if HAVE_LLVM < 0x0300
 185       LLVMInvalidateStructLayout(gallivm->target, context_type);
 186
 187       LLVMAddTypeName(gallivm->module, "context", context_type);
 188 #endif
 189
 190       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
 191                              gallivm->target, context_type,
 192                              LP_JIT_CTX_CONSTANTS);
 193       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
 194                              gallivm->target, context_type,
 195                              LP_JIT_CTX_ALPHA_REF);
 196       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_front,
 197                              gallivm->target, context_type,
 198                              LP_JIT_CTX_STENCIL_REF_FRONT);
 199       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, stencil_ref_back,
 200                              gallivm->target, context_type,
 201                              LP_JIT_CTX_STENCIL_REF_BACK);
 202       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, u8_blend_color,
 203                              gallivm->target, context_type,
 204                              LP_JIT_CTX_U8_BLEND_COLOR);
 205       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, f_blend_color,
 206                              gallivm->target, context_type,
 207                              LP_JIT_CTX_F_BLEND_COLOR);
 208       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, viewports,
 209                              gallivm->target, context_type,
 210                              LP_JIT_CTX_VIEWPORTS);
 211       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
 212                              gallivm->target, context_type,
 213                              LP_JIT_CTX_TEXTURES);
 214       LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
 215                              gallivm->target, context_type,
 216                              LP_JIT_CTX_SAMPLERS);
 217       LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
 218                            gallivm->target, context_type);
 219
 220       lp->jit_context_ptr_type = LLVMPointerType(context_type, 0);
 221    }
 222
 223    /* struct lp_jit_thread_data */
 224    {
 225       LLVMTypeRef elem_types[LP_JIT_THREAD_DATA_COUNT];
 226       LLVMTypeRef thread_data_type;
 227
 228       elem_types[LP_JIT_THREAD_DATA_COUNTER] = LLVMInt64TypeInContext(lc);
 229       elem_types[LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX] =
 230             LLVMInt32TypeInContext(lc);
 231
 232       thread_data_type = LLVMStructTypeInContext(lc, elem_types,
 233                                                  Elements(elem_types), 0);
 234
 235 #if HAVE_LLVM < 0x0300
 236       LLVMInvalidateStructLayout(gallivm->target, thread_data_type);
 237
 238       LLVMAddTypeName(gallivm->module, "thread_data", thread_data_type);
 239 #endif
 240
 241       lp->jit_thread_data_ptr_type = LLVMPointerType(thread_data_type, 0);
 242    }
 243
 244    if (gallivm_debug & GALLIVM_DEBUG_IR) {
 245       LLVMDumpModule(gallivm->module);
 246    }
 247 }
 248
 249
 250 void
 251 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 252 {
 253    /* nothing */
 254 }
 255
 256
 257 void
 258 lp_jit_screen_init(struct llvmpipe_screen *screen)
 259 {
 260    lp_build_init();
 261 }
 262
 263
 264 void
 265 lp_jit_init_types(struct lp_fragment_shader_variant *lp)
 266 {
 267    if (!lp->jit_context_ptr_type)
 268       lp_jit_create_types(lp);
 269 }