src/mesa/drivers/dri/i965/brw_blorp_blit_eu.cpp

   1 /*
   2  * Copyright © 2013 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include "glsl/ralloc.h"
  25 #include "brw_blorp_blit_eu.h"
  26
  27 brw_blorp_eu_emitter::brw_blorp_eu_emitter(struct brw_context *brw)
  28    : mem_ctx(ralloc_context(NULL))
  29 {
  30    brw_init_compile(brw, &func, mem_ctx);
  31
  32    /*
  33     * By default everything is emitted as 16-wide with only a few expections
  34     * handled explicitly either here in the compiler or by one of the specific
  35     * code emission calls.
  36     * It should be also noted that here in this file any alterations of the
  37     * compression control settings are only used to affect the execution size
  38     * of the instructions. The instruction template used to initialise all the
  39     * instructions is effectively not altered -- the value stays at zero
  40     * representing either GEN6_COMPRESSION_1Q or GEN6_COMPRESSION_1H depending
  41     * on the context.
  42     * If any other settings are used in the instruction headers, they are set
  43     * elsewhere by the individual code emission calls.
  44     */
  45    brw_set_compression_control(&func, BRW_COMPRESSION_COMPRESSED);
  46 }
  47
  48 brw_blorp_eu_emitter::~brw_blorp_eu_emitter()
  49 {
  50    ralloc_free(mem_ctx);
  51 }
  52
  53 const unsigned *
  54 brw_blorp_eu_emitter::get_program(unsigned *program_size, FILE *dump_file)
  55 {
  56    brw_set_uip_jip(&func);
  57
  58    if (unlikely(INTEL_DEBUG & DEBUG_BLORP)) {
  59       printf("Native code for BLORP blit:\n");
  60       brw_dump_compile(&func, dump_file, 0, func.next_insn_offset);
  61       printf("\n");
  62    }
  63
  64    return brw_get_program(&func, program_size);
  65 }