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C++ brw_imm_d函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中brw_imm_d函数的典型用法代码示例。如果您正苦于以下问题：C++ brw_imm_d函数的具体用法？C++ brw_imm_d怎么用？C++ brw_imm_d使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了brw_imm_d函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: emit_wpos_xy

static void emit_wpos_xy(struct brw_wm_compile *c,
                struct prog_instruction *inst)
{
    struct brw_compile *p = &c->func;
    GLuint mask = inst->DstReg.WriteMask;
    struct brw_reg src0[2], dst[2];

    dst[0] = get_dst_reg(c, inst, 0, 1);
    dst[1] = get_dst_reg(c, inst, 1, 1);

    src0[0] = get_src_reg(c, &inst->SrcReg[0], 0, 1);
    src0[1] = get_src_reg(c, &inst->SrcReg[0], 1, 1);

    /* Calculate the pixel offset from window bottom left into destination
     * X and Y channels.
     */
    if (mask & WRITEMASK_X) {
	/* X' = X - origin_x */
	brw_ADD(p,
		dst[0],
		retype(src0[0], BRW_REGISTER_TYPE_W),
		brw_imm_d(0 - c->key.origin_x));
    }

    if (mask & WRITEMASK_Y) {
	/* Y' = height - (Y - origin_y) = height + origin_y - Y */
	brw_ADD(p,
		dst[1],
		negate(retype(src0[1], BRW_REGISTER_TYPE_W)),
		brw_imm_d(c->key.origin_y + c->key.drawable_height - 1));
    }
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:32，代码来源:brw_wm_glsl.c


示例2: emit_wpos_xy

static void emit_wpos_xy(struct brw_wm_compile *c,
			 const struct brw_reg *dst,
			 GLuint mask,
			 const struct brw_reg *arg0)
{
   struct brw_compile *p = &c->func;

   /* Calculate the pixel offset from window bottom left into destination
    * X and Y channels.
    */
   if (mask & WRITEMASK_X) {
      /* X' = X - origin */
      brw_ADD(p,
	      dst[0],
	      retype(arg0[0], BRW_REGISTER_TYPE_W),
	      brw_imm_d(0 - c->key.origin_x));
   }

   if (mask & WRITEMASK_Y) {
      /* Y' = height - (Y - origin_y) = height + origin_y - Y */
      brw_ADD(p,
	      dst[1],
	      negate(retype(arg0[1], BRW_REGISTER_TYPE_W)),
	      brw_imm_d(c->key.origin_y + c->key.drawable_height - 1));
   }
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:26，代码来源:brw_wm_emit.c


示例3: do_flatshade_triangle

/* Need to use a computed jump to copy flatshaded attributes as the
 * vertices are ordered according to y-coordinate before reaching this
 * point, so the PV could be anywhere.
 */
static void do_flatshade_triangle( struct brw_sf_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_context *brw = p->brw;
   GLuint nr;
   GLuint jmpi = 1;

   /* Already done in clip program:
    */
   if (c->key.primitive == SF_UNFILLED_TRIS)
      return;

   if (brw->gen == 5)
       jmpi = 2;

   nr = count_flatshaded_attributes(c);

   brw_MUL(p, c->pv, c->pv, brw_imm_d(jmpi*(nr*2+1)));
   brw_JMPI(p, c->pv, BRW_PREDICATE_NONE);

   copy_flatshaded_attributes(c, c->vert[1], c->vert[0]);
   copy_flatshaded_attributes(c, c->vert[2], c->vert[0]);
   brw_JMPI(p, brw_imm_d(jmpi*(nr*4+1)), BRW_PREDICATE_NONE);

   copy_flatshaded_attributes(c, c->vert[0], c->vert[1]);
   copy_flatshaded_attributes(c, c->vert[2], c->vert[1]);
   brw_JMPI(p, brw_imm_d(jmpi*nr*2), BRW_PREDICATE_NONE);

   copy_flatshaded_attributes(c, c->vert[0], c->vert[2]);
   copy_flatshaded_attributes(c, c->vert[1], c->vert[2]);
}
开发者ID:TechnoMancer，项目名称:mesa，代码行数:35，代码来源:brw_sf_emit.c


示例4: brw_emit_anyprim_setup

void brw_emit_anyprim_setup( struct brw_sf_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_context *brw = p->brw;
   struct brw_reg payload_prim = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0);
   struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0);
   struct brw_reg primmask;
   int jmp;
   struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));

   c->nr_verts = 3;
   alloc_regs(c);

   primmask = retype(get_element(c->tmp, 0), BRW_REGISTER_TYPE_UD);

   brw_MOV(p, primmask, brw_imm_ud(1));
   brw_SHL(p, primmask, primmask, payload_prim);

   brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_TRILIST) |
					       (1<<_3DPRIM_TRISTRIP) |
					       (1<<_3DPRIM_TRIFAN) |
					       (1<<_3DPRIM_TRISTRIP_REVERSE) |
					       (1<<_3DPRIM_POLYGON) |
					       (1<<_3DPRIM_RECTLIST) |
					       (1<<_3DPRIM_TRIFAN_NOSTIPPLE)));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_tri_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_LINELIST) |
					       (1<<_3DPRIM_LINESTRIP) |
					       (1<<_3DPRIM_LINELOOP) |
					       (1<<_3DPRIM_LINESTRIP_CONT) |
					       (1<<_3DPRIM_LINESTRIP_BF) |
					       (1<<_3DPRIM_LINESTRIP_CONT_BF)));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_line_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_point_sprite_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_emit_point_setup( c, false );
}
开发者ID:TechnoMancer，项目名称:mesa，代码行数:49，代码来源:brw_sf_emit.c


示例5: retype

void
gen8_vec4_generator::generate_oword_dual_block_offsets(struct brw_reg m1,
                                                       struct brw_reg index)
{
   int second_vertex_offset = 1;

   m1 = retype(m1, BRW_REGISTER_TYPE_D);

   /* Set up M1 (message payload).  Only the block offsets in M1.0 and
    * M1.4 are used, and the rest are ignored.
    */
   struct brw_reg m1_0 = suboffset(vec1(m1), 0);
   struct brw_reg m1_4 = suboffset(vec1(m1), 4);
   struct brw_reg index_0 = suboffset(vec1(index), 0);
   struct brw_reg index_4 = suboffset(vec1(index), 4);

   default_state.mask_control = BRW_MASK_DISABLE;
   default_state.access_mode = BRW_ALIGN_1;

   MOV(m1_0, index_0);

   if (index.file == BRW_IMMEDIATE_VALUE) {
      index_4.dw1.ud += second_vertex_offset;
      MOV(m1_4, index_4);
   } else {
      ADD(m1_4, index_4, brw_imm_d(second_vertex_offset));
   }

   default_state.mask_control = BRW_MASK_ENABLE;
   default_state.access_mode = BRW_ALIGN_16;
}
开发者ID:DirectFB，项目名称:mesa，代码行数:31，代码来源:gen8_vec4_generator.cpp


示例6: brw_ff_gs_offset_header_dw2

/**
 * Apply an additive offset to DWORD 2 of c->reg.header.
 *
 * This is used to set/unset the "PrimStart" and "PrimEnd" flags appropriately
 * for each vertex.
 */
static void brw_ff_gs_offset_header_dw2(struct brw_ff_gs_compile *c,
                                        int offset)
{
   struct brw_codegen *p = &c->func;
   brw_ADD(p, get_element_d(c->reg.header, 2), get_element_d(c->reg.header, 2),
           brw_imm_d(offset));
}
开发者ID:Unr34ler，项目名称:mesa，代码行数:13，代码来源:brw_ff_gs_emit.c


示例7: assert

/* EU takes the value from the flag register and pushes it onto some
 * sort of a stack (presumably merging with any flag value already on
 * the stack).  Within an if block, the flags at the top of the stack
 * control execution on each channel of the unit, eg. on each of the
 * 16 pixel values in our wm programs.
 *
 * When the matching 'else' instruction is reached (presumably by
 * countdown of the instruction count patched in by our ELSE/ENDIF
 * functions), the relevent flags are inverted.
 *
 * When the matching 'endif' instruction is reached, the flags are
 * popped off.  If the stack is now empty, normal execution resumes.
 *
 * No attempt is made to deal with stack overflow (14 elements?).
 */
struct brw_instruction *brw_IF(struct brw_compile *p, GLuint execute_size)
{
   struct brw_instruction *insn;

   if (p->single_program_flow) {
      assert(execute_size == BRW_EXECUTE_1);

      insn = next_insn(p, BRW_OPCODE_ADD);
      insn->header.predicate_inverse = 1;
   } else {
      insn = next_insn(p, BRW_OPCODE_IF);
   }

   /* Override the defaults for this instruction:
    */
   brw_set_dest(insn, brw_ip_reg());
   brw_set_src0(insn, brw_ip_reg());
   brw_set_src1(insn, brw_imm_d(0x0));

   insn->header.execution_size = execute_size;
   insn->header.compression_control = BRW_COMPRESSION_NONE;
   insn->header.predicate_control = BRW_PREDICATE_NORMAL;
   insn->header.mask_control = BRW_MASK_ENABLE;
   if (!p->single_program_flow)
       insn->header.thread_control = BRW_THREAD_SWITCH;

   p->current->header.predicate_control = BRW_PREDICATE_NONE;

   return insn;
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:45，代码来源:brw_eu_emit.c


示例8: brw_set_ff_sync_message

static void brw_set_ff_sync_message( struct brw_context *brw,
				 struct brw_instruction *insn,
				 GLboolean allocate,
				 GLboolean used,
				 GLuint msg_length,
				 GLuint response_length,
				 GLboolean end_of_thread,
				 GLboolean complete,
				 GLuint offset,
				 GLuint swizzle_control )
{
	brw_set_src1(insn, brw_imm_d(0));

	insn->bits3.urb_igdng.opcode = 1;
	insn->bits3.urb_igdng.offset = offset;
	insn->bits3.urb_igdng.swizzle_control = swizzle_control;
	insn->bits3.urb_igdng.allocate = allocate;
	insn->bits3.urb_igdng.used = used;
	insn->bits3.urb_igdng.complete = complete;
	insn->bits3.urb_igdng.header_present = 1;
	insn->bits3.urb_igdng.response_length = response_length;
	insn->bits3.urb_igdng.msg_length = msg_length;
	insn->bits3.urb_igdng.end_of_thread = end_of_thread;
	insn->bits2.send_igdng.sfid = BRW_MESSAGE_TARGET_URB;
	insn->bits2.send_igdng.end_of_thread = end_of_thread;
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:26，代码来源:brw_eu_emit.c


示例9: brw_ff_sync

void brw_ff_sync(struct brw_compile *p,
		   struct brw_reg dest,
		   GLuint msg_reg_nr,
		   struct brw_reg src0,
		   GLboolean allocate,
		   GLboolean used,
		   GLuint msg_length,
		   GLuint response_length,
		   GLboolean eot,
		   GLboolean writes_complete,
		   GLuint offset,
		   GLuint swizzle)
{
   struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);

   assert(msg_length < 16);

   brw_set_dest(insn, dest);
   brw_set_src0(insn, src0);
   brw_set_src1(insn, brw_imm_d(0));

   insn->header.destreg__conditionalmod = msg_reg_nr;

   brw_set_ff_sync_message(p->brw,
		       insn,
		       allocate,
		       used,
		       msg_length,
		       response_length, 
		       eot, 
		       writes_complete, 
		       offset,
		       swizzle);
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:34，代码来源:brw_eu_emit.c


示例10: do_flatshade_line

static void do_flatshade_line( struct brw_sf_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_context *brw = p->brw;
   struct brw_reg ip = brw_ip_reg();
   GLuint nr;
   GLuint jmpi = 1;

   /* Already done in clip program:
    */
   if (c->key.primitive == SF_UNFILLED_TRIS)
      return;

   if (brw->gen == 5)
       jmpi = 2;

   nr = count_flatshaded_attributes(c);

   brw_MUL(p, c->pv, c->pv, brw_imm_d(jmpi*(nr+1)));
   brw_JMPI(p, ip, ip, c->pv);
   copy_flatshaded_attributes(c, c->vert[1], c->vert[0]);

   brw_JMPI(p, ip, ip, brw_imm_ud(jmpi*nr));
   copy_flatshaded_attributes(c, c->vert[0], c->vert[1]);
}
开发者ID:ignatenkobrain，项目名称:mesa，代码行数:25，代码来源:brw_sf_emit.c


示例11: next_insn

struct brw_instruction *brw_WHILE(struct brw_compile *p, 
	       struct brw_instruction *do_insn)
{
   struct brw_instruction *insn;

   if (p->single_program_flow)
      insn = next_insn(p, BRW_OPCODE_ADD);
   else
      insn = next_insn(p, BRW_OPCODE_WHILE);

   brw_set_dest(insn, brw_ip_reg());
   brw_set_src0(insn, brw_ip_reg());
   brw_set_src1(insn, brw_imm_d(0x0));

   insn->header.compression_control = BRW_COMPRESSION_NONE;

   if (p->single_program_flow) {
      insn->header.execution_size = BRW_EXECUTE_1;

      insn->bits3.d = (do_insn - insn) * 16;
   } else {
      insn->header.execution_size = do_insn->header.execution_size;

      assert(do_insn->header.opcode == BRW_OPCODE_DO);
      insn->bits3.if_else.jump_count = do_insn - insn + 1;
      insn->bits3.if_else.pop_count = 0;
      insn->bits3.if_else.pad0 = 0;
   }

/*    insn->header.mask_control = BRW_MASK_ENABLE; */

   /* insn->header.mask_control = BRW_MASK_DISABLE; */
   p->current->header.predicate_control = BRW_PREDICATE_NONE;   
   return insn;
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:35，代码来源:brw_eu_emit.c


示例12: brw_set_sampler_message

static void brw_set_sampler_message(struct brw_context *brw,
                 struct brw_instruction *insn,
				     GLuint binding_table_index,
				     GLuint sampler,
				     GLuint msg_type,
				     GLuint response_length,
				     GLuint msg_length,
				     GLboolean eot)
{
   brw_set_src1(insn, brw_imm_d(0));

   if (BRW_IS_GM45(brw) || BRW_IS_G4X(brw)) {
      insn->bits3.sampler_gm45_g4x.binding_table_index = binding_table_index;
      insn->bits3.sampler_gm45_g4x.sampler = sampler;
      insn->bits3.sampler_gm45_g4x.msg_type = msg_type;
      insn->bits3.sampler_gm45_g4x.response_length = response_length;
      insn->bits3.sampler_gm45_g4x.msg_length = msg_length;
      insn->bits3.sampler_gm45_g4x.end_of_thread = eot;
      insn->bits3.sampler_gm45_g4x.msg_target = BRW_MESSAGE_TARGET_SAMPLER;
   } else {
      insn->bits3.sampler.binding_table_index = binding_table_index;
      insn->bits3.sampler.sampler = sampler;
      insn->bits3.sampler.msg_type = msg_type;
      insn->bits3.sampler.return_format = BRW_SAMPLER_RETURN_FORMAT_FLOAT32;
      insn->bits3.sampler.response_length = response_length;
      insn->bits3.sampler.msg_length = msg_length;
      insn->bits3.sampler.end_of_thread = eot;
      insn->bits3.sampler.msg_target = BRW_MESSAGE_TARGET_SAMPLER;
   }
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:30，代码来源:brw_eu_emit.c


示例13: do_flatshade_line

static void do_flatshade_line( struct brw_sf_compile *c )
{
    struct brw_compile *p = &c->func;
    struct intel_context *intel = &p->brw->intel;
    struct brw_reg ip = brw_ip_reg();
    GLuint nr = brw_count_bits(c->key.attrs & VERT_RESULT_COLOR_BITS);
    GLuint jmpi = 1;

    if (!nr)
        return;

    /* Already done in clip program:
     */
    if (c->key.primitive == SF_UNFILLED_TRIS)
        return;

    if (intel->gen == 5)
        jmpi = 2;

    brw_push_insn_state(p);

    brw_MUL(p, c->pv, c->pv, brw_imm_d(jmpi*(nr+1)));
    brw_JMPI(p, ip, ip, c->pv);
    copy_colors(c, c->vert[1], c->vert[0]);

    brw_JMPI(p, ip, ip, brw_imm_ud(jmpi*nr));
    copy_colors(c, c->vert[0], c->vert[1]);

    brw_pop_insn_state(p);
}
开发者ID:nikai3d，项目名称:mesa，代码行数:30，代码来源:brw_sf_emit.c


示例14: brw_clip_tri_emit_polygon

void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
{
   struct brw_codegen *p = &c->func;

   /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--)
    */
   brw_ADD(p,
	   c->reg.loopcount,
	   c->reg.nr_verts,
	   brw_imm_d(-2));
   brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_G);

   brw_IF(p, BRW_EXECUTE_1);
   {
      struct brw_indirect v0 = brw_indirect(0, 0);
      struct brw_indirect vptr = brw_indirect(1, 0);

      brw_MOV(p, get_addr_reg(vptr), brw_address(c->reg.inlist));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_START));

      brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_DO(p, BRW_EXECUTE_1);
      {
	 brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
                           (_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT));

	 brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
	 brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

	 brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
         brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ);
      }
      brw_WHILE(p);
      brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL);

      brw_clip_emit_vue(c, v0, BRW_URB_WRITE_EOT_COMPLETE,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_END));
   }
   brw_ENDIF(p);
}
开发者ID:etnaviv，项目名称:mesa，代码行数:47，代码来源:brw_clip_tri.c


示例15: gen_ADD_GRF_GRF_IMM_d

static void
gen_ADD_GRF_GRF_IMM_d(struct brw_codegen *p)
{
   struct brw_reg g0 = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_D);
   struct brw_reg g2 = retype(brw_vec8_grf(2, 0), BRW_REGISTER_TYPE_D);

   brw_ADD(p, g0, g2, brw_imm_d(1));
}
开发者ID:ChristophHaag，项目名称:mesa-mesa，代码行数:8，代码来源:test_eu_compact.cpp


示例16: brw_clip_tri_emit_polygon

void brw_clip_tri_emit_polygon(struct brw_clip_compile *c)
{
   struct brw_compile *p = &c->func;

   /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--)
    */
   brw_set_conditionalmod(p, BRW_CONDITIONAL_G);
   brw_ADD(p,
	   c->reg.loopcount,
	   c->reg.nr_verts,
	   brw_imm_d(-2));

   brw_IF(p, BRW_EXECUTE_1);
   {
      struct brw_indirect v0 = brw_indirect(0, 0);
      struct brw_indirect vptr = brw_indirect(1, 0);

      brw_MOV(p, get_addr_reg(vptr), brw_address(c->reg.inlist));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_clip_emit_vue(c, v0, 1, 0,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_START));
      
      brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
      brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

      brw_DO(p, BRW_EXECUTE_1);
      {
	 brw_clip_emit_vue(c, v0, 1, 0,
                           (_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT));
  
	 brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2));
	 brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0));

	 brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
	 brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
      }
      brw_WHILE(p);

      brw_clip_emit_vue(c, v0, 0, 1,
                        ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)
                         | URB_WRITE_PRIM_END));
   }
   brw_ENDIF(p);
}
开发者ID:CSRedRat，项目名称:mesa，代码行数:46，代码来源:brw_clip_tri.c


示例17: brw_ENDIF

void brw_ENDIF(struct brw_compile *p, 
	       struct brw_instruction *patch_insn)
{
   GLuint br = 1;

   if (BRW_IS_IGDNG(p->brw))
      br = 2; 
 
   if (p->single_program_flow) {
      /* In single program flow mode, there's no need to execute an ENDIF,
       * since we don't need to do any stack operations, and if we're executing
       * currently, we want to just continue executing.
       */
      struct brw_instruction *next = &p->store[p->nr_insn];

      assert(patch_insn->header.opcode == BRW_OPCODE_ADD);

      patch_insn->bits3.ud = (next - patch_insn) * 16;
   } else {
      struct brw_instruction *insn = next_insn(p, BRW_OPCODE_ENDIF);

      brw_set_dest(insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD));
      brw_set_src0(insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD));
      brw_set_src1(insn, brw_imm_d(0x0));

      insn->header.compression_control = BRW_COMPRESSION_NONE;
      insn->header.execution_size = patch_insn->header.execution_size;
      insn->header.mask_control = BRW_MASK_ENABLE;
      insn->header.thread_control = BRW_THREAD_SWITCH;

      assert(patch_insn->bits3.if_else.jump_count == 0);

      /* Patch the if or else instructions to point at this or the next
       * instruction respectively.
       */
      if (patch_insn->header.opcode == BRW_OPCODE_IF) {
	 /* Automagically turn it into an IFF:
	  */
	 patch_insn->header.opcode = BRW_OPCODE_IFF;
	 patch_insn->bits3.if_else.jump_count = br * (insn - patch_insn + 1);
	 patch_insn->bits3.if_else.pop_count = 0;
	 patch_insn->bits3.if_else.pad0 = 0;
      } else if (patch_insn->header.opcode == BRW_OPCODE_ELSE) {
	 patch_insn->bits3.if_else.jump_count = br * (insn - patch_insn + 1);
	 patch_insn->bits3.if_else.pop_count = 1;
	 patch_insn->bits3.if_else.pad0 = 0;
      } else {
	 assert(0);
      }

      /* Also pop item off the stack in the endif instruction:
       */
      insn->bits3.if_else.jump_count = 0;
      insn->bits3.if_else.pop_count = 1;
      insn->bits3.if_else.pad0 = 0;
   }
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:57，代码来源:brw_eu_emit.c


示例18: check_nr_verts

static void check_nr_verts( struct brw_clip_compile *c )
{
   struct brw_compile *p = &c->func;

   brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.nr_verts, brw_imm_d(3));
   brw_IF(p, BRW_EXECUTE_1);
   {
      brw_clip_kill_thread(c);
   }
   brw_ENDIF(p);
}
开发者ID:Thermionix，项目名称:Mesa-3D，代码行数:11，代码来源:brw_clip_unfilled.c


示例19: next_insn

struct brw_instruction *brw_CONT(struct brw_compile *p)
{
   struct brw_instruction *insn;
   insn = next_insn(p, BRW_OPCODE_CONTINUE);
   brw_set_dest(insn, brw_ip_reg());
   brw_set_src0(insn, brw_ip_reg());
   brw_set_src1(insn, brw_imm_d(0x0));
   insn->header.compression_control = BRW_COMPRESSION_NONE;
   insn->header.execution_size = BRW_EXECUTE_8;
   /* insn->header.mask_control = BRW_MASK_DISABLE; */
   insn->bits3.if_else.pad0 = 0;
   return insn;
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:13，代码来源:brw_eu_emit.c


示例20: brw_set_sampler_message

static void brw_set_sampler_message(struct brw_context *brw,
                                    struct brw_instruction *insn,
                                    GLuint binding_table_index,
                                    GLuint sampler,
                                    GLuint msg_type,
                                    GLuint response_length,
                                    GLuint msg_length,
                                    GLboolean eot,
                                    GLuint header_present,
                                    GLuint simd_mode)
{
   assert(eot == 0);
   brw_set_src1(insn, brw_imm_d(0));

   if (BRW_IS_IGDNG(brw)) {
      insn->bits3.sampler_igdng.binding_table_index = binding_table_index;
      insn->bits3.sampler_igdng.sampler = sampler;
      insn->bits3.sampler_igdng.msg_type = msg_type;
      insn->bits3.sampler_igdng.simd_mode = simd_mode;
      insn->bits3.sampler_igdng.header_present = header_present;
      insn->bits3.sampler_igdng.response_length = response_length;
      insn->bits3.sampler_igdng.msg_length = msg_length;
      insn->bits3.sampler_igdng.end_of_thread = eot;
      insn->bits2.send_igdng.sfid = BRW_MESSAGE_TARGET_SAMPLER;
      insn->bits2.send_igdng.end_of_thread = eot;
   } else if (BRW_IS_G4X(brw)) {
      insn->bits3.sampler_g4x.binding_table_index = binding_table_index;
      insn->bits3.sampler_g4x.sampler = sampler;
      insn->bits3.sampler_g4x.msg_type = msg_type;
      insn->bits3.sampler_g4x.response_length = response_length;
      insn->bits3.sampler_g4x.msg_length = msg_length;
      insn->bits3.sampler_g4x.end_of_thread = eot;
      insn->bits3.sampler_g4x.msg_target = BRW_MESSAGE_TARGET_SAMPLER;
   } else {
      insn->bits3.sampler.binding_table_index = binding_table_index;
      insn->bits3.sampler.sampler = sampler;
      insn->bits3.sampler.msg_type = msg_type;
      insn->bits3.sampler.return_format = BRW_SAMPLER_RETURN_FORMAT_FLOAT32;
      insn->bits3.sampler.response_length = response_length;
      insn->bits3.sampler.msg_length = msg_length;
      insn->bits3.sampler.end_of_thread = eot;
      insn->bits3.sampler.msg_target = BRW_MESSAGE_TARGET_SAMPLER;
   }
}
开发者ID:emcmanus，项目名称:FlashMesa3D，代码行数:44，代码来源:brw_eu_emit.c



注：本文中的brw_imm_d函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ brw_message_reg函数代码示例发布时间：2022-05-30
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