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