示例#1
0
void *
st_pbo_create_vs(struct st_context *st)
{
   struct pipe_screen *pscreen = st->pipe->screen;
   bool use_nir = PIPE_SHADER_IR_NIR ==
      pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX,
                                PIPE_SHADER_CAP_PREFERRED_IR);

   if (use_nir) {
      unsigned inputs[] =  {  VERT_ATTRIB_POS, SYSTEM_VALUE_INSTANCE_ID, };
      unsigned outputs[] = { VARYING_SLOT_POS,       VARYING_SLOT_LAYER  };

      return st_nir_make_passthrough_shader(st, "st/pbo VS",
                                            MESA_SHADER_VERTEX,
                                            st->pbo.layers ? 2 : 1,
                                            inputs, outputs, NULL, (1 << 1));
   }

   struct ureg_program *ureg;
   struct ureg_src in_pos;
   struct ureg_src in_instanceid;
   struct ureg_dst out_pos;
   struct ureg_dst out_layer;

   ureg = ureg_create(PIPE_SHADER_VERTEX);
   if (!ureg)
      return NULL;

   in_pos = ureg_DECL_vs_input(ureg, TGSI_SEMANTIC_POSITION);

   out_pos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);

   if (st->pbo.layers) {
      in_instanceid = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_INSTANCEID, 0);

      if (!st->pbo.use_gs)
         out_layer = ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0);
   }

   /* out_pos = in_pos */
   ureg_MOV(ureg, out_pos, in_pos);

   if (st->pbo.layers) {
      if (st->pbo.use_gs) {
         /* out_pos.z = i2f(gl_InstanceID) */
         ureg_I2F(ureg, ureg_writemask(out_pos, TGSI_WRITEMASK_Z),
                        ureg_scalar(in_instanceid, TGSI_SWIZZLE_X));
      } else {
         /* out_layer = gl_InstanceID */
         ureg_MOV(ureg, ureg_writemask(out_layer, TGSI_WRITEMASK_X),
                        ureg_scalar(in_instanceid, TGSI_SWIZZLE_X));
      }
   }

   ureg_END(ureg);

   return ureg_create_shader_and_destroy(ureg, st->pipe);
}
示例#2
0
static struct ureg_src
prepare_argument(struct st_translate *t, const unsigned argId,
                 const struct atifragshader_src_register *srcReg)
{
   struct ureg_src src = get_source(t, srcReg->Index);
   struct ureg_dst arg = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + argId);

   switch (srcReg->argRep) {
   case GL_NONE:
      break;
   case GL_RED:
      src = ureg_scalar(src, TGSI_SWIZZLE_X);
      break;
   case GL_GREEN:
      src = ureg_scalar(src, TGSI_SWIZZLE_Y);
      break;
   case GL_BLUE:
      src = ureg_scalar(src, TGSI_SWIZZLE_Z);
      break;
   case GL_ALPHA:
      src = ureg_scalar(src, TGSI_SWIZZLE_W);
      break;
   }
   ureg_insn(t->ureg, TGSI_OPCODE_MOV, &arg, 1, &src, 1);

   if (srcReg->argMod & GL_COMP_BIT_ATI) {
      struct ureg_src modsrc[2];
      modsrc[0] = ureg_imm1f(t->ureg, 1.0f);
      modsrc[1] = ureg_src(arg);

      ureg_insn(t->ureg, TGSI_OPCODE_SUB, &arg, 1, modsrc, 2);
   }
   if (srcReg->argMod & GL_BIAS_BIT_ATI) {
      struct ureg_src modsrc[2];
      modsrc[0] = ureg_src(arg);
      modsrc[1] = ureg_imm1f(t->ureg, 0.5f);

      ureg_insn(t->ureg, TGSI_OPCODE_SUB, &arg, 1, modsrc, 2);
   }
   if (srcReg->argMod & GL_2X_BIT_ATI) {
      struct ureg_src modsrc[2];
      modsrc[0] = ureg_src(arg);
      modsrc[1] = ureg_src(arg);

      ureg_insn(t->ureg, TGSI_OPCODE_ADD, &arg, 1, modsrc, 2);
   }
   if (srcReg->argMod & GL_NEGATE_BIT_ATI) {
      struct ureg_src modsrc[2];
      modsrc[0] = ureg_src(arg);
      modsrc[1] = ureg_imm1f(t->ureg, -1.0f);

      ureg_insn(t->ureg, TGSI_OPCODE_MUL, &arg, 1, modsrc, 2);
   }
   return  ureg_src(arg);
}
示例#3
0
static void *
create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg)
{
    struct ureg_src y_sampler, u_sampler, v_sampler;
    struct ureg_src pos;
    struct ureg_src matrow0, matrow1, matrow2, matrow3;
    struct ureg_dst y, u, v, rgb;
    struct ureg_dst out = ureg_DECL_output(ureg,
					   TGSI_SEMANTIC_COLOR,
					   0);

    pos = ureg_DECL_fs_input(ureg,
			     TGSI_SEMANTIC_GENERIC, 0,
			     TGSI_INTERPOLATE_PERSPECTIVE);

    rgb = ureg_DECL_temporary(ureg);
    y = ureg_DECL_temporary(ureg);
    u = ureg_DECL_temporary(ureg);
    v = ureg_DECL_temporary(ureg);

    y_sampler = ureg_DECL_sampler(ureg, 0);
    u_sampler = ureg_DECL_sampler(ureg, 1);
    v_sampler = ureg_DECL_sampler(ureg, 2);

    matrow0 = ureg_DECL_constant(ureg, 0);
    matrow1 = ureg_DECL_constant(ureg, 1);
    matrow2 = ureg_DECL_constant(ureg, 2);
    matrow3 = ureg_DECL_constant(ureg, 3);

    ureg_TEX(ureg, y, TGSI_TEXTURE_2D, pos, y_sampler);
    ureg_TEX(ureg, u, TGSI_TEXTURE_2D, pos, u_sampler);
    ureg_TEX(ureg, v, TGSI_TEXTURE_2D, pos, v_sampler);

    ureg_MOV(ureg, rgb, matrow3);
    ureg_MAD(ureg, rgb,
	     ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), matrow0, ureg_src(rgb));
    ureg_MAD(ureg, rgb,
	     ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X), matrow1, ureg_src(rgb));
    ureg_MAD(ureg, rgb,
	     ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X), matrow2, ureg_src(rgb));

    ureg_MOV(ureg, out, ureg_src(rgb));

    ureg_release_temporary(ureg, rgb);
    ureg_release_temporary(ureg, y);
    ureg_release_temporary(ureg, u);
    ureg_release_temporary(ureg, v);

    ureg_END(ureg);

    return ureg_create_shader_and_destroy(ureg, pipe);
}
示例#4
0
/* These instructions need special treatment */
static void
emit_special_inst(struct st_translate *t, const struct instruction_desc *desc,
                  struct ureg_dst *dst, struct ureg_src *args, unsigned argcount)
{
   struct ureg_dst tmp[1];
   struct ureg_src src[3];

   if (!strcmp(desc->name, "CND")) {
      tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + 2); /* re-purpose a3 */
      src[0] = ureg_imm1f(t->ureg, 0.5f);
      src[1] = args[2];
      ureg_insn(t->ureg, TGSI_OPCODE_SUB, tmp, 1, src, 2);
      src[0] = ureg_src(tmp[0]);
      src[1] = args[0];
      src[2] = args[1];
      ureg_insn(t->ureg, TGSI_OPCODE_CMP, dst, 1, src, 3);
   } else if (!strcmp(desc->name, "CND0")) {
      src[0] = args[2];
      src[1] = args[1];
      src[2] = args[0];
      ureg_insn(t->ureg, TGSI_OPCODE_CMP, dst, 1, src, 3);
   } else if (!strcmp(desc->name, "DOT2_ADD")) {
      /* note: DP2A is not implemented in most pipe drivers */
      tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI); /* re-purpose a1 */
      src[0] = args[0];
      src[1] = args[1];
      ureg_insn(t->ureg, TGSI_OPCODE_DP2, tmp, 1, src, 2);
      src[0] = ureg_src(tmp[0]);
      src[1] = ureg_scalar(args[2], TGSI_SWIZZLE_Z);
      ureg_insn(t->ureg, TGSI_OPCODE_ADD, dst, 1, src, 2);
   }
}
示例#5
0
static INLINE void
src_in_mask(struct ureg_program *ureg,
	    struct ureg_dst dst,
	    struct ureg_src src,
	    struct ureg_src mask,
	    unsigned component_alpha, unsigned mask_luminance)
{
    if (component_alpha == FS_CA_FULL) {
	ureg_MUL(ureg, dst, src, mask);
    } else if (component_alpha == FS_CA_SRCALPHA) {
	ureg_MUL(ureg, dst, ureg_scalar(src, TGSI_SWIZZLE_W), mask);
    } else {
	if (mask_luminance)
	    ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_X));
	else
	    ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_W));
    }
}
示例#6
0
文件: vl_idct.c 项目: kallisti5/mesa
static void
matrix_mul(struct ureg_program *shader, struct ureg_dst dst, struct ureg_dst l[2], struct ureg_dst r[2])
{
    struct ureg_dst tmp;

    tmp = ureg_DECL_temporary(shader);

    /*
     * tmp.xy = dot4(m[0][0..1], m[1][0..1])
     * dst = tmp.x + tmp.y
     */
    ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_src(l[0]), ureg_src(r[0]));
    ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(l[1]), ureg_src(r[1]));
    ureg_ADD(shader, dst,
             ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X),
             ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y));

    ureg_release_temporary(shader, tmp);
}
示例#7
0
void *
st_pbo_create_gs(struct st_context *st)
{
   static const int zero = 0;
   struct ureg_program *ureg;
   struct ureg_dst out_pos;
   struct ureg_dst out_layer;
   struct ureg_src in_pos;
   struct ureg_src imm;
   unsigned i;

   ureg = ureg_create(PIPE_SHADER_GEOMETRY);
   if (!ureg)
      return NULL;

   ureg_property(ureg, TGSI_PROPERTY_GS_INPUT_PRIM, PIPE_PRIM_TRIANGLES);
   ureg_property(ureg, TGSI_PROPERTY_GS_OUTPUT_PRIM, PIPE_PRIM_TRIANGLE_STRIP);
   ureg_property(ureg, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES, 3);

   out_pos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
   out_layer = ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0);

   in_pos = ureg_DECL_input(ureg, TGSI_SEMANTIC_POSITION, 0, 0, 1);

   imm = ureg_DECL_immediate_int(ureg, &zero, 1);

   for (i = 0; i < 3; ++i) {
      struct ureg_src in_pos_vertex = ureg_src_dimension(in_pos, i);

      /* out_pos = in_pos[i] */
      ureg_MOV(ureg, out_pos, in_pos_vertex);

      /* out_layer.x = f2i(in_pos[i].z) */
      ureg_F2I(ureg, ureg_writemask(out_layer, TGSI_WRITEMASK_X),
                     ureg_scalar(in_pos_vertex, TGSI_SWIZZLE_Z));

      ureg_EMIT(ureg, ureg_scalar(imm, TGSI_SWIZZLE_X));
   }

   ureg_END(ureg);

   return ureg_create_shader_and_destroy(ureg, st->pipe);
}
示例#8
0
文件: vl_idct.c 项目: kallisti5/mesa
static void
calc_addr(struct ureg_program *shader, struct ureg_dst addr[2],
          struct ureg_src tc, struct ureg_src start, bool right_side,
          bool transposed, float size)
{
    unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y;
    unsigned sw_start = right_side ? TGSI_SWIZZLE_Y : TGSI_SWIZZLE_X;

    unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X;
    unsigned sw_tc = right_side ? TGSI_SWIZZLE_X : TGSI_SWIZZLE_Y;

    /*
     * addr[0..1].(start) = right_side ? start.x : tc.x
     * addr[0..1].(tc) = right_side ? tc.y : start.y
     * addr[0..1].z = tc.z
     * addr[1].(start) += 1.0f / scale
     */
    ureg_MOV(shader, ureg_writemask(addr[0], wm_start), ureg_scalar(start, sw_start));
    ureg_MOV(shader, ureg_writemask(addr[0], wm_tc), ureg_scalar(tc, sw_tc));

    ureg_ADD(shader, ureg_writemask(addr[1], wm_start), ureg_scalar(start, sw_start), ureg_imm1f(shader, 1.0f / size));
    ureg_MOV(shader, ureg_writemask(addr[1], wm_tc), ureg_scalar(tc, sw_tc));
}
示例#9
0
static struct ureg_src
apply_swizzle(struct st_translate *t,
              struct ureg_src src, GLuint swizzle)
{
   if (swizzle == GL_SWIZZLE_STR_ATI) {
      return src;
   } else if (swizzle == GL_SWIZZLE_STQ_ATI) {
      return ureg_swizzle(src,
                          TGSI_SWIZZLE_X,
                          TGSI_SWIZZLE_Y,
                          TGSI_SWIZZLE_W,
                          TGSI_SWIZZLE_Z);
   } else {
      struct ureg_dst tmp[2];
      struct ureg_src imm[3];

      tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI);
      tmp[1] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + 1);
      imm[0] = src;
      imm[1] = ureg_imm4f(t->ureg, 1.0f, 1.0f, 0.0f, 0.0f);
      imm[2] = ureg_imm4f(t->ureg, 0.0f, 0.0f, 1.0f, 1.0f);
      ureg_insn(t->ureg, TGSI_OPCODE_MAD, &tmp[0], 1, imm, 3);

      if (swizzle == GL_SWIZZLE_STR_DR_ATI) {
         imm[0] = ureg_scalar(src, TGSI_SWIZZLE_Z);
      } else {
         imm[0] = ureg_scalar(src, TGSI_SWIZZLE_W);
      }
      ureg_insn(t->ureg, TGSI_OPCODE_RCP, &tmp[1], 1, &imm[0], 1);

      imm[0] = ureg_src(tmp[0]);
      imm[1] = ureg_src(tmp[1]);
      ureg_insn(t->ureg, TGSI_OPCODE_MUL, &tmp[0], 1, imm, 2);

      return ureg_src(tmp[0]);
   }
}
示例#10
0
static INLINE void
xrender_tex(struct ureg_program *ureg,
	    struct ureg_dst dst,
	    struct ureg_src coords,
	    struct ureg_src sampler,
	    struct ureg_src imm0,
	    boolean repeat_none, boolean swizzle, boolean set_alpha)
{
    if (repeat_none) {
	struct ureg_dst tmp0 = ureg_DECL_temporary(ureg);
	struct ureg_dst tmp1 = ureg_DECL_temporary(ureg);

	ureg_SGT(ureg, tmp1, ureg_swizzle(coords,
					  TGSI_SWIZZLE_X,
					  TGSI_SWIZZLE_Y,
					  TGSI_SWIZZLE_X,
					  TGSI_SWIZZLE_Y), ureg_scalar(imm0,
								       TGSI_SWIZZLE_X));
	ureg_SLT(ureg, tmp0,
		 ureg_swizzle(coords, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
			      TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y), ureg_scalar(imm0,
									   TGSI_SWIZZLE_W));
	ureg_MIN(ureg, tmp0, ureg_src(tmp0), ureg_src(tmp1));
	ureg_MIN(ureg, tmp0, ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_X),
		 ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_Y));
	ureg_TEX(ureg, tmp1, TGSI_TEXTURE_2D, coords, sampler);
	if (swizzle)
	    ureg_MOV(ureg, tmp1, ureg_swizzle(ureg_src(tmp1),
					      TGSI_SWIZZLE_Z,
					      TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X,
					      TGSI_SWIZZLE_W));
	if (set_alpha)
	    ureg_MOV(ureg,
		     ureg_writemask(tmp1, TGSI_WRITEMASK_W),
		     ureg_scalar(imm0, TGSI_SWIZZLE_W));
	ureg_MUL(ureg, dst, ureg_src(tmp1), ureg_src(tmp0));
	ureg_release_temporary(ureg, tmp0);
	ureg_release_temporary(ureg, tmp1);
    } else {
	if (swizzle) {
	    struct ureg_dst tmp = ureg_DECL_temporary(ureg);

	    ureg_TEX(ureg, tmp, TGSI_TEXTURE_2D, coords, sampler);
	    ureg_MOV(ureg, dst, ureg_swizzle(ureg_src(tmp),
					     TGSI_SWIZZLE_Z,
					     TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X,
					     TGSI_SWIZZLE_W));
	    ureg_release_temporary(ureg, tmp);
	} else {
	    ureg_TEX(ureg, dst, TGSI_TEXTURE_2D, coords, sampler);
	}
	if (set_alpha)
	    ureg_MOV(ureg,
		     ureg_writemask(dst, TGSI_WRITEMASK_W),
		     ureg_scalar(imm0, TGSI_SWIZZLE_W));
    }
}
示例#11
0
static void
linear_gradient(struct ureg_program *ureg,
		struct ureg_dst out,
		struct ureg_src pos,
		struct ureg_src sampler,
		struct ureg_src coords,
		struct ureg_src const0124,
		struct ureg_src matrow0,
		struct ureg_src matrow1, struct ureg_src matrow2)
{
    struct ureg_dst temp0 = ureg_DECL_temporary(ureg);
    struct ureg_dst temp1 = ureg_DECL_temporary(ureg);
    struct ureg_dst temp2 = ureg_DECL_temporary(ureg);
    struct ureg_dst temp3 = ureg_DECL_temporary(ureg);
    struct ureg_dst temp4 = ureg_DECL_temporary(ureg);
    struct ureg_dst temp5 = ureg_DECL_temporary(ureg);

    ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY), pos);
    ureg_MOV(ureg,
	     ureg_writemask(temp0, TGSI_WRITEMASK_Z),
	     ureg_scalar(const0124, TGSI_SWIZZLE_Y));

    ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0));
    ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0));
    ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0));
    ureg_RCP(ureg, temp3, ureg_src(temp3));
    ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3));
    ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3));

    ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_X), ureg_src(temp1));
    ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_Y), ureg_src(temp2));

    ureg_MUL(ureg, temp0,
	     ureg_scalar(coords, TGSI_SWIZZLE_Y),
	     ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_Y));
    ureg_MAD(ureg, temp1,
	     ureg_scalar(coords, TGSI_SWIZZLE_X),
	     ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_X), ureg_src(temp0));

    ureg_MUL(ureg, temp2, ureg_src(temp1), ureg_scalar(coords, TGSI_SWIZZLE_Z));

    ureg_TEX(ureg, out, TGSI_TEXTURE_1D, ureg_src(temp2), sampler);

    ureg_release_temporary(ureg, temp0);
    ureg_release_temporary(ureg, temp1);
    ureg_release_temporary(ureg, temp2);
    ureg_release_temporary(ureg, temp3);
    ureg_release_temporary(ureg, temp4);
    ureg_release_temporary(ureg, temp5);
}
示例#12
0
文件: st_pbo.c 项目: airlied/mesa
void *
st_pbo_create_vs(struct st_context *st)
{
   struct ureg_program *ureg;
   struct ureg_src in_pos;
   struct ureg_src in_instanceid;
   struct ureg_dst out_pos;
   struct ureg_dst out_layer;

   ureg = ureg_create(PIPE_SHADER_VERTEX);
   if (!ureg)
      return NULL;

   in_pos = ureg_DECL_vs_input(ureg, TGSI_SEMANTIC_POSITION);

   out_pos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);

   if (st->pbo.layers) {
      in_instanceid = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_INSTANCEID, 0);

      if (!st->pbo.use_gs)
         out_layer = ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0);
   }

   /* out_pos = in_pos */
   ureg_MOV(ureg, out_pos, in_pos);

   if (st->pbo.layers) {
      if (st->pbo.use_gs) {
         /* out_pos.z = i2f(gl_InstanceID) */
         ureg_I2F(ureg, ureg_writemask(out_pos, TGSI_WRITEMASK_Z),
                        ureg_scalar(in_instanceid, TGSI_SWIZZLE_X));
      } else {
         /* out_layer = gl_InstanceID */
         ureg_MOV(ureg, out_layer, in_instanceid);
      }
   }

   ureg_END(ureg);

   return ureg_create_shader_and_destroy(ureg, st->pipe);
}
示例#13
0
文件: vl_idct.c 项目: kallisti5/mesa
void
vl_idct_stage2_vert_shader(struct vl_idct *idct, struct ureg_program *shader,
                           unsigned first_output, struct ureg_dst tex)
{
    struct ureg_src vrect, vpos;
    struct ureg_src scale;
    struct ureg_dst t_start;
    struct ureg_dst o_l_addr[2], o_r_addr[2];

    vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
    vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);

    t_start = ureg_DECL_temporary(shader);

    --first_output;

    o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR0);
    o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR1);

    o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR0);
    o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR1);

    scale = ureg_imm2f(shader,
                       (float)VL_BLOCK_WIDTH / idct->buffer_width,
                       (float)VL_BLOCK_HEIGHT / idct->buffer_height);

    ureg_MUL(shader, ureg_writemask(tex, TGSI_WRITEMASK_Z),
             ureg_scalar(vrect, TGSI_SWIZZLE_X),
             ureg_imm1f(shader, VL_BLOCK_WIDTH / idct->nr_of_render_targets));
    ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale);

    calc_addr(shader, o_l_addr, vrect, ureg_imm1f(shader, 0.0f), false, false, VL_BLOCK_WIDTH / 4);
    calc_addr(shader, o_r_addr, ureg_src(tex), ureg_src(t_start), true, false, idct->buffer_height / 4);

    ureg_MOV(shader, ureg_writemask(o_r_addr[0], TGSI_WRITEMASK_Z), ureg_src(tex));
    ureg_MOV(shader, ureg_writemask(o_r_addr[1], TGSI_WRITEMASK_Z), ureg_src(tex));
}
static void *
create_ycbcr_frag_shader(struct vl_mc *r, float scale, bool invert,
                         vl_mc_ycbcr_frag_shader fs_callback, void *callback_priv)
{
   struct ureg_program *shader;
   struct ureg_src flags;
   struct ureg_dst tmp;
   struct ureg_dst fragment;
   unsigned label;

   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
   if (!shader)
      return NULL;

   flags = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS, TGSI_INTERPOLATE_LINEAR);

   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

   tmp = calc_line(shader);

   /*
    * if (field == tc.w)
    *    kill();
    * else {
    *    fragment.xyz  = tex(tc, sampler) * scale + tc.z
    *    fragment.w = 1.0f
    * }
    */

   ureg_SEQ(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y),
            ureg_scalar(flags, TGSI_SWIZZLE_W), ureg_src(tmp));

   ureg_IF(shader, ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), &label);

      ureg_KILP(shader);

   ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
   ureg_ELSE(shader, &label);

      fs_callback(callback_priv, r, shader, VS_O_VTEX, tmp);

      if (scale != 1.0f)
         ureg_MAD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
                  ureg_src(tmp), ureg_imm1f(shader, scale),
                  ureg_scalar(flags, TGSI_SWIZZLE_Z));
      else
         ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
                  ureg_src(tmp), ureg_scalar(flags, TGSI_SWIZZLE_Z));
                  
      ureg_MUL(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(tmp), ureg_imm1f(shader, invert ? -1.0f : 1.0f));
      ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));

   ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
   ureg_ENDIF(shader);

   ureg_release_temporary(shader, tmp);

   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, r->pipe);
}
示例#15
0
void *
util_make_fs_msaa_resolve_bilinear(struct pipe_context *pipe,
                                   enum tgsi_texture_type tgsi_tex,
                                   unsigned nr_samples,
                                   enum tgsi_return_type stype)
{
   struct ureg_program *ureg;
   struct ureg_src sampler, coord;
   struct ureg_dst out, tmp, top, bottom;
   struct ureg_dst tmp_coord[4], tmp_sum[4];
   unsigned i, c;

   ureg = ureg_create(PIPE_SHADER_FRAGMENT);
   if (!ureg)
      return NULL;

   /* Declarations. */
   sampler = ureg_DECL_sampler(ureg, 0);
   ureg_DECL_sampler_view(ureg, 0, tgsi_tex, stype, stype, stype, stype);
   coord = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_GENERIC, 0,
                              TGSI_INTERPOLATE_LINEAR);
   out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
   for (c = 0; c < 4; c++)
      tmp_sum[c] = ureg_DECL_temporary(ureg);
   for (c = 0; c < 4; c++)
      tmp_coord[c] = ureg_DECL_temporary(ureg);
   tmp = ureg_DECL_temporary(ureg);
   top = ureg_DECL_temporary(ureg);
   bottom = ureg_DECL_temporary(ureg);

   /* Instructions. */
   for (c = 0; c < 4; c++)
      ureg_MOV(ureg, tmp_sum[c], ureg_imm1f(ureg, 0));

   /* Get 4 texture coordinates for the bilinear filter. */
   ureg_F2U(ureg, tmp_coord[0], coord); /* top-left */
   ureg_UADD(ureg, tmp_coord[1], ureg_src(tmp_coord[0]),
             ureg_imm4u(ureg, 1, 0, 0, 0)); /* top-right */
   ureg_UADD(ureg, tmp_coord[2], ureg_src(tmp_coord[0]),
             ureg_imm4u(ureg, 0, 1, 0, 0)); /* bottom-left */
   ureg_UADD(ureg, tmp_coord[3], ureg_src(tmp_coord[0]),
             ureg_imm4u(ureg, 1, 1, 0, 0)); /* bottom-right */

   for (i = 0; i < nr_samples; i++) {
      for (c = 0; c < 4; c++) {
         /* Read one sample. */
         ureg_MOV(ureg, ureg_writemask(tmp_coord[c], TGSI_WRITEMASK_W),
                  ureg_imm1u(ureg, i));
         ureg_TXF(ureg, tmp, tgsi_tex, ureg_src(tmp_coord[c]), sampler);

         if (stype == TGSI_RETURN_TYPE_UINT)
            ureg_U2F(ureg, tmp, ureg_src(tmp));
         else if (stype == TGSI_RETURN_TYPE_SINT)
            ureg_I2F(ureg, tmp, ureg_src(tmp));

         /* Add it to the sum.*/
         ureg_ADD(ureg, tmp_sum[c], ureg_src(tmp_sum[c]), ureg_src(tmp));
      }
   }

   /* Calculate the average. */
   for (c = 0; c < 4; c++)
      ureg_MUL(ureg, tmp_sum[c], ureg_src(tmp_sum[c]),
               ureg_imm1f(ureg, 1.0 / nr_samples));

   /* Take the 4 average values and apply a standard bilinear filter. */
   ureg_FRC(ureg, tmp, coord);

   ureg_LRP(ureg, top,
            ureg_scalar(ureg_src(tmp), 0),
            ureg_src(tmp_sum[1]),
            ureg_src(tmp_sum[0]));

   ureg_LRP(ureg, bottom,
            ureg_scalar(ureg_src(tmp), 0),
            ureg_src(tmp_sum[3]),
            ureg_src(tmp_sum[2]));

   ureg_LRP(ureg, tmp,
            ureg_scalar(ureg_src(tmp), 1),
            ureg_src(bottom),
            ureg_src(top));

   /* Convert to the texture format and return. */
   if (stype == TGSI_RETURN_TYPE_UINT)
      ureg_F2U(ureg, out, ureg_src(tmp));
   else if (stype == TGSI_RETURN_TYPE_SINT)
      ureg_F2I(ureg, out, ureg_src(tmp));
   else
      ureg_MOV(ureg, out, ureg_src(tmp));

   ureg_END(ureg);

   return ureg_create_shader_and_destroy(ureg, pipe);
}
示例#16
0
void *si_get_blitter_vs(struct si_context *sctx, enum blitter_attrib_type type,
			unsigned num_layers)
{
	unsigned vs_blit_property;
	void **vs;

	switch (type) {
	case UTIL_BLITTER_ATTRIB_NONE:
		vs = num_layers > 1 ? &sctx->vs_blit_pos_layered :
				      &sctx->vs_blit_pos;
		vs_blit_property = SI_VS_BLIT_SGPRS_POS;
		break;
	case UTIL_BLITTER_ATTRIB_COLOR:
		vs = num_layers > 1 ? &sctx->vs_blit_color_layered :
				      &sctx->vs_blit_color;
		vs_blit_property = SI_VS_BLIT_SGPRS_POS_COLOR;
		break;
	case UTIL_BLITTER_ATTRIB_TEXCOORD_XY:
	case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW:
		assert(num_layers == 1);
		vs = &sctx->vs_blit_texcoord;
		vs_blit_property = SI_VS_BLIT_SGPRS_POS_TEXCOORD;
		break;
	default:
		assert(0);
		return NULL;
	}
	if (*vs)
		return *vs;

	struct ureg_program *ureg = ureg_create(PIPE_SHADER_VERTEX);
	if (!ureg)
		return NULL;

	/* Tell the shader to load VS inputs from SGPRs: */
	ureg_property(ureg, TGSI_PROPERTY_VS_BLIT_SGPRS, vs_blit_property);
	ureg_property(ureg, TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION, true);

	/* This is just a pass-through shader with 1-3 MOV instructions. */
	ureg_MOV(ureg,
		 ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0),
		 ureg_DECL_vs_input(ureg, 0));

	if (type != UTIL_BLITTER_ATTRIB_NONE) {
		ureg_MOV(ureg,
			 ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0),
			 ureg_DECL_vs_input(ureg, 1));
	}

	if (num_layers > 1) {
		struct ureg_src instance_id =
			ureg_DECL_system_value(ureg, TGSI_SEMANTIC_INSTANCEID, 0);
		struct ureg_dst layer =
			ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0);

		ureg_MOV(ureg, ureg_writemask(layer, TGSI_WRITEMASK_X),
			 ureg_scalar(instance_id, TGSI_SWIZZLE_X));
	}
	ureg_END(ureg);

	*vs = ureg_create_shader_and_destroy(ureg, &sctx->b);
	return *vs;
}
示例#17
0
文件: vl_idct.c 项目: kallisti5/mesa
static void *
create_mismatch_frag_shader(struct vl_idct *idct)
{
    struct ureg_program *shader;

    struct ureg_src addr[2];

    struct ureg_dst m[8][2];
    struct ureg_dst fragment;

    unsigned i;

    shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
    if (!shader)
        return NULL;

    addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR);
    addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR);

    fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

    for (i = 0; i < 8; ++i) {
        m[i][0] = ureg_DECL_temporary(shader);
        m[i][1] = ureg_DECL_temporary(shader);
    }

    for (i = 0; i < 8; ++i) {
        increment_addr(shader, m[i], addr, false, false, i, idct->buffer_height);
    }

    for (i = 0; i < 8; ++i) {
        struct ureg_src s_addr[2];
        s_addr[0] = ureg_src(m[i][0]);
        s_addr[1] = ureg_src(m[i][1]);
        fetch_four(shader, m[i], s_addr, ureg_DECL_sampler(shader, 0), false);
    }

    for (i = 1; i < 8; ++i) {
        ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[i][0]));
        ureg_ADD(shader, m[0][1], ureg_src(m[0][1]), ureg_src(m[i][1]));
    }

    ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[0][1]));
    ureg_DP4(shader, m[0][0], ureg_abs(ureg_src(m[0][0])), ureg_imm1f(shader, 1 << 14));

    ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_abs(ureg_src(m[7][1])), ureg_imm1f(shader, 1 << 14));
    ureg_FRC(shader, m[0][0], ureg_src(m[0][0]));
    ureg_SGT(shader, m[0][0], ureg_imm1f(shader, 0.5f), ureg_abs(ureg_src(m[0][0])));

    ureg_CMP(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_negate(ureg_src(m[0][0])),
             ureg_imm1f(shader, 1.0f / (1 << 15)), ureg_imm1f(shader, -1.0f / (1 << 15)));
    ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_src(m[0][0]),
             ureg_scalar(ureg_src(m[0][0]), TGSI_SWIZZLE_X));

    ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(m[7][1]));
    ureg_ADD(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_src(m[0][0]), ureg_src(m[7][1]));

    for (i = 0; i < 8; ++i) {
        ureg_release_temporary(shader, m[i][0]);
        ureg_release_temporary(shader, m[i][1]);
    }

    ureg_END(shader);

    return ureg_create_shader_and_destroy(shader, idct->pipe);
}
示例#18
0
static void *
create_vert_shader(struct vl_compositor *c)
{
   struct ureg_program *shader;
   struct ureg_src vpos, vtex, color;
   struct ureg_dst tmp;
   struct ureg_dst o_vpos, o_vtex, o_color;
   struct ureg_dst o_vtop, o_vbottom;

   shader = ureg_create(TGSI_PROCESSOR_VERTEX);
   if (!shader)
      return false;

   vpos = ureg_DECL_vs_input(shader, 0);
   vtex = ureg_DECL_vs_input(shader, 1);
   color = ureg_DECL_vs_input(shader, 2);
   tmp = ureg_DECL_temporary(shader);
   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
   o_color = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, VS_O_COLOR);
   o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX);
   o_vtop = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP);
   o_vbottom = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM);

   /*
    * o_vpos = vpos
    * o_vtex = vtex
    * o_color = color
    */
   ureg_MOV(shader, o_vpos, vpos);
   ureg_MOV(shader, o_vtex, vtex);
   ureg_MOV(shader, o_color, color);

   /*
    * tmp.x = vtex.w / 2
    * tmp.y = vtex.w / 4
    *
    * o_vtop.x = vtex.x
    * o_vtop.y = vtex.y * tmp.x + 0.25f
    * o_vtop.z = vtex.y * tmp.y + 0.25f
    * o_vtop.w = 1 / tmp.x
    *
    * o_vbottom.x = vtex.x
    * o_vbottom.y = vtex.y * tmp.x - 0.25f
    * o_vbottom.z = vtex.y * tmp.y - 0.25f
    * o_vbottom.w = 1 / tmp.y
    */
   ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X),
            ureg_scalar(vtex, TGSI_SWIZZLE_W), ureg_imm1f(shader, 0.5f));
   ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y),
            ureg_scalar(vtex, TGSI_SWIZZLE_W), ureg_imm1f(shader, 0.25f));

   ureg_MOV(shader, ureg_writemask(o_vtop, TGSI_WRITEMASK_X), vtex);
   ureg_MAD(shader, ureg_writemask(o_vtop, TGSI_WRITEMASK_Y), ureg_scalar(vtex, TGSI_SWIZZLE_Y),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X), ureg_imm1f(shader, 0.25f));
   ureg_MAD(shader, ureg_writemask(o_vtop, TGSI_WRITEMASK_Z), ureg_scalar(vtex, TGSI_SWIZZLE_Y),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), ureg_imm1f(shader, 0.25f));
   ureg_RCP(shader, ureg_writemask(o_vtop, TGSI_WRITEMASK_W),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X));

   ureg_MOV(shader, ureg_writemask(o_vbottom, TGSI_WRITEMASK_X), vtex);
   ureg_MAD(shader, ureg_writemask(o_vbottom, TGSI_WRITEMASK_Y), ureg_scalar(vtex, TGSI_SWIZZLE_Y),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X), ureg_imm1f(shader, -0.25f));
   ureg_MAD(shader, ureg_writemask(o_vbottom, TGSI_WRITEMASK_Z), ureg_scalar(vtex, TGSI_SWIZZLE_Y),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), ureg_imm1f(shader, -0.25f));
   ureg_RCP(shader, ureg_writemask(o_vbottom, TGSI_WRITEMASK_W),
            ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y));

   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, c->pipe);
}
示例#19
0
static void *
create_frag_shader_weave(struct vl_compositor *c)
{
   struct ureg_program *shader;
   struct ureg_src i_tc[2];
   struct ureg_src csc[3];
   struct ureg_src sampler[3];
   struct ureg_dst t_tc[2];
   struct ureg_dst t_texel[2];
   struct ureg_dst o_fragment;
   unsigned i, j;

   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
   if (!shader)
      return false;

   i_tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP, TGSI_INTERPOLATE_LINEAR);
   i_tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM, TGSI_INTERPOLATE_LINEAR);

   for (i = 0; i < 3; ++i) {
      csc[i] = ureg_DECL_constant(shader, i);
      sampler[i] = ureg_DECL_sampler(shader, i);
   }

   for (i = 0; i < 2; ++i) {
      t_tc[i] = ureg_DECL_temporary(shader);
      t_texel[i] = ureg_DECL_temporary(shader);
   }
   o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

   /* calculate the texture offsets
    * t_tc.x = i_tc.x
    * t_tc.y = (round(i_tc.y) + 0.5) / height * 2
    */
   for (i = 0; i < 2; ++i) {
      ureg_MOV(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_X), i_tc[i]);
      ureg_ROUND(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ), i_tc[i]);
      ureg_MOV(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_W),
               ureg_imm1f(shader, i ? 0.75f : 0.25f));
      ureg_ADD(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_YZ),
               ureg_src(t_tc[i]), ureg_imm1f(shader, 0.5f));
      ureg_MUL(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_Y),
               ureg_src(t_tc[i]), ureg_scalar(i_tc[0], TGSI_SWIZZLE_W));
      ureg_MUL(shader, ureg_writemask(t_tc[i], TGSI_WRITEMASK_Z),
               ureg_src(t_tc[i]), ureg_scalar(i_tc[1], TGSI_SWIZZLE_W));
   }

   /* fetch the texels
    * texel[0..1].x = tex(t_tc[0..1][0])
    * texel[0..1].y = tex(t_tc[0..1][1])
    * texel[0..1].z = tex(t_tc[0..1][2])
    */
   for (i = 0; i < 2; ++i)
      for (j = 0; j < 3; ++j) {
         struct ureg_src src = ureg_swizzle(ureg_src(t_tc[i]),
            TGSI_SWIZZLE_X, j ? TGSI_SWIZZLE_Z : TGSI_SWIZZLE_Y, TGSI_SWIZZLE_W, TGSI_SWIZZLE_W);

         ureg_TEX(shader, ureg_writemask(t_texel[i], TGSI_WRITEMASK_X << j),
                  TGSI_TEXTURE_3D, src, sampler[j]);
      }

   /* calculate linear interpolation factor
    * factor = |round(i_tc.y) - i_tc.y| * 2
    */
   ureg_ROUND(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_YZ), i_tc[0]);
   ureg_ADD(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_YZ),
            ureg_src(t_tc[0]), ureg_negate(i_tc[0]));
   ureg_MUL(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_XY),
            ureg_abs(ureg_src(t_tc[0])), ureg_imm1f(shader, 2.0f));
   ureg_LRP(shader, t_texel[0], ureg_swizzle(ureg_src(t_tc[0]),
            TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z),
            ureg_src(t_texel[1]), ureg_src(t_texel[0]));

   /* and finally do colour space transformation
    * fragment = csc * texel
    */
   ureg_MOV(shader, ureg_writemask(t_texel[0], TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));
   for (i = 0; i < 3; ++i)
      ureg_DP4(shader, ureg_writemask(o_fragment, TGSI_WRITEMASK_X << i), csc[i], ureg_src(t_texel[0]));

   ureg_MOV(shader, ureg_writemask(o_fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));

   for (i = 0; i < 2; ++i) {
      ureg_release_temporary(shader, t_texel[i]);
      ureg_release_temporary(shader, t_tc[i]);
   }

   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, c->pipe);
}
static void *
create_ref_frag_shader(struct vl_mc *r)
{
   const float y_scale =
      r->buffer_height / 2 *
      r->macroblock_size / VL_MACROBLOCK_HEIGHT;

   struct ureg_program *shader;
   struct ureg_src tc[2], sampler;
   struct ureg_dst ref, field;
   struct ureg_dst fragment;
   unsigned label;

   shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
   if (!shader)
      return NULL;

   tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP, TGSI_INTERPOLATE_LINEAR);
   tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM, TGSI_INTERPOLATE_LINEAR);

   sampler = ureg_DECL_sampler(shader, 0);
   ref = ureg_DECL_temporary(shader);

   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

   field = calc_line(shader);

   /*
    * ref = field.z ? tc[1] : tc[0]
    *
    * // Adjust tc acording to top/bottom field selection
    * if (|ref.z|) {
    *    ref.y *= y_scale
    *    ref.y = floor(ref.y)
    *    ref.y += ref.z
    *    ref.y /= y_scale
    * }
    * fragment.xyz = tex(ref, sampler[0])
    */
   ureg_CMP(shader, ureg_writemask(ref, TGSI_WRITEMASK_XYZ),
            ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
            tc[1], tc[0]);
   ureg_CMP(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W),
            ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
            tc[1], tc[0]);

   ureg_IF(shader, ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z), &label);

      ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
               ureg_src(ref), ureg_imm1f(shader, y_scale));
      ureg_FLR(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), ureg_src(ref));
      ureg_ADD(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
               ureg_src(ref), ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z));
      ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
               ureg_src(ref), ureg_imm1f(shader, 1.0f / y_scale));

   ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
   ureg_ENDIF(shader);

   ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), TGSI_TEXTURE_2D, ureg_src(ref), sampler);

   ureg_release_temporary(shader, ref);

   ureg_release_temporary(shader, field);
   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, r->pipe);
}
static void *
create_ycbcr_vert_shader(struct vl_mc *r, vl_mc_ycbcr_vert_shader vs_callback, void *callback_priv)
{
   struct ureg_program *shader;

   struct ureg_src vrect, vpos;
   struct ureg_dst t_vpos, t_vtex;
   struct ureg_dst o_vpos, o_flags;

   struct vertex2f scale = {
      (float)VL_BLOCK_WIDTH / r->buffer_width * VL_MACROBLOCK_WIDTH / r->macroblock_size,
      (float)VL_BLOCK_HEIGHT / r->buffer_height * VL_MACROBLOCK_HEIGHT / r->macroblock_size
   };

   unsigned label;

   shader = ureg_create(TGSI_PROCESSOR_VERTEX);
   if (!shader)
      return NULL;

   vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
   vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);

   t_vpos = calc_position(r, shader, ureg_imm2f(shader, scale.x, scale.y));
   t_vtex = ureg_DECL_temporary(shader);

   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
   o_flags = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS);

   /*
    * o_vtex.xy = t_vpos
    * o_flags.z = intra * 0.5
    *
    * if(interlaced) {
    *    t_vtex.xy = vrect.y ? { 0, scale.y } : { -scale.y : 0 }
    *    t_vtex.z = vpos.y % 2
    *    t_vtex.y = t_vtex.z ? t_vtex.x : t_vtex.y
    *    o_vpos.y = t_vtex.y + t_vpos.y
    *
    *    o_flags.w = t_vtex.z ? 0 : 1
    * }
    *
    */

   vs_callback(callback_priv, r, shader, VS_O_VTEX, t_vpos);

   ureg_MUL(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_Z),
            ureg_scalar(vpos, TGSI_SWIZZLE_Z), ureg_imm1f(shader, 0.5f));
   ureg_MOV(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W), ureg_imm1f(shader, -1.0f));

   if (r->macroblock_size == VL_MACROBLOCK_HEIGHT) { //TODO
      ureg_IF(shader, ureg_scalar(vpos, TGSI_SWIZZLE_W), &label);

         ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_XY),
                  ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_Y)),
                  ureg_imm2f(shader, 0.0f, scale.y),
                  ureg_imm2f(shader, -scale.y, 0.0f));
         ureg_MUL(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z),
                  ureg_scalar(vpos, TGSI_SWIZZLE_Y), ureg_imm1f(shader, 0.5f));

         ureg_FRC(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z), ureg_src(t_vtex));

         ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Y),
                  ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
                  ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_X),
                  ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Y));
         ureg_ADD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_Y),
                  ureg_src(t_vpos), ureg_src(t_vtex));

         ureg_CMP(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W),
                  ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
                  ureg_imm1f(shader, 0.0f), ureg_imm1f(shader, 1.0f));

      ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
      ureg_ENDIF(shader);
   }

   ureg_release_temporary(shader, t_vtex);
   ureg_release_temporary(shader, t_vpos);

   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, r->pipe);
}
示例#22
0
文件: st_pbo.c 项目: airlied/mesa
static void *
create_fs(struct st_context *st, bool download, enum pipe_texture_target target)
{
   struct pipe_context *pipe = st->pipe;
   struct pipe_screen *screen = pipe->screen;
   struct ureg_program *ureg;
   bool have_layer;
   struct ureg_dst out;
   struct ureg_src sampler;
   struct ureg_src pos;
   struct ureg_src layer;
   struct ureg_src const0;
   struct ureg_src const1;
   struct ureg_dst temp0;

   have_layer =
      st->pbo.layers &&
      (!download || target == PIPE_TEXTURE_1D_ARRAY
                 || target == PIPE_TEXTURE_2D_ARRAY
                 || target == PIPE_TEXTURE_3D
                 || target == PIPE_TEXTURE_CUBE
                 || target == PIPE_TEXTURE_CUBE_ARRAY);

   ureg = ureg_create(PIPE_SHADER_FRAGMENT);
   if (!ureg)
      return NULL;

   if (!download) {
      out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
   } else {
      struct ureg_src image;

      /* writeonly images do not require an explicitly given format. */
      image = ureg_DECL_image(ureg, 0, TGSI_TEXTURE_BUFFER, PIPE_FORMAT_NONE,
                                    true, false);
      out = ureg_dst(image);
   }

   sampler = ureg_DECL_sampler(ureg, 0);
   if (screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL)) {
      pos = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_POSITION, 0);
   } else {
      pos = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_POSITION, 0,
                               TGSI_INTERPOLATE_LINEAR);
   }
   if (have_layer) {
      layer = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_LAYER, 0,
                                       TGSI_INTERPOLATE_CONSTANT);
   }
   const0  = ureg_DECL_constant(ureg, 0);
   const1  = ureg_DECL_constant(ureg, 1);
   temp0   = ureg_DECL_temporary(ureg);

   /* Note: const0 = [ -xoffset + skip_pixels, -yoffset, stride, image_height ] */

   /* temp0.xy = f2i(temp0.xy) */
   ureg_F2I(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
                  ureg_swizzle(pos,
                               TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
                               TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));

   /* temp0.xy = temp0.xy + const0.xy */
   ureg_UADD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
                   ureg_swizzle(ureg_src(temp0),
                                TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
                                TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y),
                   ureg_swizzle(const0,
                                TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
                                TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));

   /* temp0.x = const0.z * temp0.y + temp0.x */
   ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
                   ureg_scalar(const0, TGSI_SWIZZLE_Z),
                   ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_Y),
                   ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));

   if (have_layer) {
      /* temp0.x = const0.w * layer + temp0.x */
      ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
                      ureg_scalar(const0, TGSI_SWIZZLE_W),
                      ureg_scalar(layer, TGSI_SWIZZLE_X),
                      ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));
   }

   /* temp0.w = 0 */
   ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_W), ureg_imm1u(ureg, 0));

   if (download) {
      struct ureg_dst temp1;
      struct ureg_src op[2];

      temp1 = ureg_DECL_temporary(ureg);

      /* temp1.xy = pos.xy */
      ureg_F2I(ureg, ureg_writemask(temp1, TGSI_WRITEMASK_XY), pos);

      /* temp1.zw = 0 */
      ureg_MOV(ureg, ureg_writemask(temp1, TGSI_WRITEMASK_ZW), ureg_imm1u(ureg, 0));

      if (have_layer) {
         struct ureg_dst temp1_layer =
            ureg_writemask(temp1, target == PIPE_TEXTURE_1D_ARRAY ? TGSI_WRITEMASK_Y
                                                                  : TGSI_WRITEMASK_Z);

         /* temp1.y/z = layer */
         ureg_MOV(ureg, temp1_layer, ureg_scalar(layer, TGSI_SWIZZLE_X));

         if (target == PIPE_TEXTURE_3D) {
            /* temp1.z += layer_offset */
            ureg_UADD(ureg, temp1_layer,
                            ureg_scalar(ureg_src(temp1), TGSI_SWIZZLE_Z),
                            ureg_scalar(const1, TGSI_SWIZZLE_X));
         }
      }

      /* temp1 = txf(sampler, temp1) */
      ureg_TXF(ureg, temp1, util_pipe_tex_to_tgsi_tex(target, 1),
                     ureg_src(temp1), sampler);

      /* store(out, temp0, temp1) */
      op[0] = ureg_src(temp0);
      op[1] = ureg_src(temp1);
      ureg_memory_insn(ureg, TGSI_OPCODE_STORE, &out, 1, op, 2, 0,
                             TGSI_TEXTURE_BUFFER, PIPE_FORMAT_NONE);

      ureg_release_temporary(ureg, temp1);
   } else {
      /* out = txf(sampler, temp0.x) */
      ureg_TXF(ureg, out, TGSI_TEXTURE_BUFFER, ureg_src(temp0), sampler);
   }

   ureg_release_temporary(ureg, temp0);

   ureg_END(ureg);

   return ureg_create_shader_and_destroy(ureg, pipe);
}
示例#23
0
/**
 * Emit the TGSI instructions for inverting and adjusting WPOS.
 * This code is unavoidable because it also depends on whether
 * a FBO is bound (STATE_FB_WPOS_Y_TRANSFORM).
 */
static void
emit_wpos_adjustment( struct st_translate *t,
                      const struct gl_program *program,
                      boolean invert,
                      GLfloat adjX, GLfloat adjY[2])
{
   struct ureg_program *ureg = t->ureg;

   /* Fragment program uses fragment position input.
    * Need to replace instances of INPUT[WPOS] with temp T
    * where T = INPUT[WPOS] by y is inverted.
    */
   static const gl_state_index wposTransformState[STATE_LENGTH]
      = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, 0, 0, 0 };
   
   /* XXX: note we are modifying the incoming shader here!  Need to
    * do this before emitting the constant decls below, or this
    * will be missed:
    */
   unsigned wposTransConst = _mesa_add_state_reference(program->Parameters,
                                                       wposTransformState);

   struct ureg_src wpostrans = ureg_DECL_constant( ureg, wposTransConst );
   struct ureg_dst wpos_temp = ureg_DECL_temporary( ureg );
   struct ureg_src wpos_input = t->inputs[t->inputMapping[VARYING_SLOT_POS]];

   /* First, apply the coordinate shift: */
   if (adjX || adjY[0] || adjY[1]) {
      if (adjY[0] != adjY[1]) {
         /* Adjust the y coordinate by adjY[1] or adjY[0] respectively
          * depending on whether inversion is actually going to be applied
          * or not, which is determined by testing against the inversion
          * state variable used below, which will be either +1 or -1.
          */
         struct ureg_dst adj_temp = ureg_DECL_temporary(ureg);

         ureg_CMP(ureg, adj_temp,
                  ureg_scalar(wpostrans, invert ? 2 : 0),
                  ureg_imm4f(ureg, adjX, adjY[0], 0.0f, 0.0f),
                  ureg_imm4f(ureg, adjX, adjY[1], 0.0f, 0.0f));
         ureg_ADD(ureg, wpos_temp, wpos_input, ureg_src(adj_temp));
      } else {
         ureg_ADD(ureg, wpos_temp, wpos_input,
                  ureg_imm4f(ureg, adjX, adjY[0], 0.0f, 0.0f));
      }
      wpos_input = ureg_src(wpos_temp);
   } else {
      /* MOV wpos_temp, input[wpos]
       */
      ureg_MOV( ureg, wpos_temp, wpos_input );
   }

   /* Now the conditional y flip: STATE_FB_WPOS_Y_TRANSFORM.xy/zw will be
    * inversion/identity, or the other way around if we're drawing to an FBO.
    */
   if (invert) {
      /* MAD wpos_temp.y, wpos_input, wpostrans.xxxx, wpostrans.yyyy
       */
      ureg_MAD( ureg,
                ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y ),
                wpos_input,
                ureg_scalar(wpostrans, 0),
                ureg_scalar(wpostrans, 1));
   } else {
      /* MAD wpos_temp.y, wpos_input, wpostrans.zzzz, wpostrans.wwww
       */
      ureg_MAD( ureg,
                ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y ),
                wpos_input,
                ureg_scalar(wpostrans, 2),
                ureg_scalar(wpostrans, 3));
   }

   /* Use wpos_temp as position input from here on:
    */
   t->inputs[t->inputMapping[VARYING_SLOT_POS]] = ureg_src(wpos_temp);
}
示例#24
0
static void *
create_fs(struct pipe_context *pipe, unsigned fs_traits)
{
    struct ureg_program *ureg;
    struct ureg_src /*dst_sampler, */ src_sampler, mask_sampler;
    struct ureg_src /*dst_pos, */ src_input, mask_pos;
    struct ureg_dst src, mask;
    struct ureg_dst out;
    struct ureg_src imm0 = { 0 };
    unsigned has_mask = (fs_traits & FS_MASK) != 0;
    unsigned is_fill = (fs_traits & FS_FILL) != 0;
    unsigned is_composite = (fs_traits & FS_COMPOSITE) != 0;
    unsigned is_solid = (fs_traits & FS_SOLID_FILL) != 0;
    unsigned is_lingrad = (fs_traits & FS_LINGRAD_FILL) != 0;
    unsigned is_radgrad = (fs_traits & FS_RADGRAD_FILL) != 0;
    unsigned comp_alpha_mask = fs_traits & FS_COMPONENT_ALPHA;
    unsigned is_yuv = (fs_traits & FS_YUV) != 0;
    unsigned src_repeat_none = (fs_traits & FS_SRC_REPEAT_NONE) != 0;
    unsigned mask_repeat_none = (fs_traits & FS_MASK_REPEAT_NONE) != 0;
    unsigned src_swizzle = (fs_traits & FS_SRC_SWIZZLE_RGB) != 0;
    unsigned mask_swizzle = (fs_traits & FS_MASK_SWIZZLE_RGB) != 0;
    unsigned src_set_alpha = (fs_traits & FS_SRC_SET_ALPHA) != 0;
    unsigned mask_set_alpha = (fs_traits & FS_MASK_SET_ALPHA) != 0;
    unsigned src_luminance = (fs_traits & FS_SRC_LUMINANCE) != 0;
    unsigned mask_luminance = (fs_traits & FS_MASK_LUMINANCE) != 0;
    unsigned dst_luminance = (fs_traits & FS_DST_LUMINANCE) != 0;

#if 0
    print_fs_traits(fs_traits);
#else
    (void)print_fs_traits;
#endif

    ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
    if (ureg == NULL)
	return 0;

    /* it has to be either a fill, a composite op or a yuv conversion */
    debug_assert((is_fill ^ is_composite) ^ is_yuv);
    (void)is_yuv;

    out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);

    if (src_repeat_none || mask_repeat_none ||
	src_set_alpha || mask_set_alpha || src_luminance) {
	imm0 = ureg_imm4f(ureg, 0, 0, 0, 1);
    }
    if (is_composite) {
	src_sampler = ureg_DECL_sampler(ureg, 0);
	src_input = ureg_DECL_fs_input(ureg,
				       TGSI_SEMANTIC_GENERIC, 0,
				       TGSI_INTERPOLATE_PERSPECTIVE);
    } else if (is_fill) {
	if (is_solid)
	    src_input = ureg_DECL_fs_input(ureg,
					   TGSI_SEMANTIC_COLOR, 0,
					   TGSI_INTERPOLATE_PERSPECTIVE);
	else
	    src_input = ureg_DECL_fs_input(ureg,
					   TGSI_SEMANTIC_POSITION, 0,
					   TGSI_INTERPOLATE_PERSPECTIVE);
    } else {
	debug_assert(is_yuv);
	return create_yuv_shader(pipe, ureg);
    }

    if (has_mask) {
	mask_sampler = ureg_DECL_sampler(ureg, 1);
	mask_pos = ureg_DECL_fs_input(ureg,
				      TGSI_SEMANTIC_GENERIC, 1,
				      TGSI_INTERPOLATE_PERSPECTIVE);
    }
#if 0				/* unused right now */
    dst_sampler = ureg_DECL_sampler(ureg, 2);
    dst_pos = ureg_DECL_fs_input(ureg,
				 TGSI_SEMANTIC_POSITION, 2,
				 TGSI_INTERPOLATE_PERSPECTIVE);
#endif

    if (is_composite) {
	if (has_mask || src_luminance || dst_luminance)
	    src = ureg_DECL_temporary(ureg);
	else
	    src = out;
	xrender_tex(ureg, src, src_input, src_sampler, imm0,
		    src_repeat_none, src_swizzle, src_set_alpha);
    } else if (is_fill) {
	if (is_solid) {
	    if (has_mask || src_luminance || dst_luminance)
		src = ureg_dst(src_input);
	    else
		ureg_MOV(ureg, out, src_input);
	} else if (is_lingrad || is_radgrad) {
	    struct ureg_src coords, const0124, matrow0, matrow1, matrow2;

	    if (has_mask || src_luminance || dst_luminance)
		src = ureg_DECL_temporary(ureg);
	    else
		src = out;

	    coords = ureg_DECL_constant(ureg, 0);
	    const0124 = ureg_DECL_constant(ureg, 1);
	    matrow0 = ureg_DECL_constant(ureg, 2);
	    matrow1 = ureg_DECL_constant(ureg, 3);
	    matrow2 = ureg_DECL_constant(ureg, 4);

	    if (is_lingrad) {
		linear_gradient(ureg, src,
				src_input, src_sampler,
				coords, const0124, matrow0, matrow1, matrow2);
	    } else if (is_radgrad) {
		radial_gradient(ureg, src,
				src_input, src_sampler,
				coords, const0124, matrow0, matrow1, matrow2);
	    }
	} else
	    debug_assert(!"Unknown fill type!");
    }
    if (src_luminance) {
	ureg_MOV(ureg, src, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_X));
	ureg_MOV(ureg, ureg_writemask(src, TGSI_WRITEMASK_XYZ),
		 ureg_scalar(imm0, TGSI_SWIZZLE_X));
	if (!has_mask && !dst_luminance)
	    ureg_MOV(ureg, out, ureg_src(src));
    }

    if (has_mask) {
	mask = ureg_DECL_temporary(ureg);
	xrender_tex(ureg, mask, mask_pos, mask_sampler, imm0,
		    mask_repeat_none, mask_swizzle, mask_set_alpha);
	/* src IN mask */

	src_in_mask(ureg, (dst_luminance) ? src : out, ureg_src(src),
		    ureg_src(mask),
		    comp_alpha_mask, mask_luminance);

	ureg_release_temporary(ureg, mask);
    }

    if (dst_luminance) {
	/*
	 * Make sure the alpha channel goes into the output L8 surface.
	 */
	ureg_MOV(ureg, out, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_W));
    }

    ureg_END(ureg);

    return ureg_create_shader_and_destroy(ureg, pipe);
}
示例#25
0
/**
 * Translate Mesa program to TGSI format.
 * \param program  the program to translate
 * \param numInputs  number of input registers used
 * \param inputMapping  maps Mesa fragment program inputs to TGSI generic
 *                      input indexes
 * \param inputSemanticName  the TGSI_SEMANTIC flag for each input
 * \param inputSemanticIndex  the semantic index (ex: which texcoord) for
 *                            each input
 * \param interpMode  the TGSI_INTERPOLATE_LINEAR/PERSP mode for each input
 * \param numOutputs  number of output registers used
 * \param outputMapping  maps Mesa fragment program outputs to TGSI
 *                       generic outputs
 * \param outputSemanticName  the TGSI_SEMANTIC flag for each output
 * \param outputSemanticIndex  the semantic index (ex: which texcoord) for
 *                             each output
 *
 * \return  PIPE_OK or PIPE_ERROR_OUT_OF_MEMORY
 */
enum pipe_error
st_translate_mesa_program(
   struct gl_context *ctx,
   uint procType,
   struct ureg_program *ureg,
   const struct gl_program *program,
   GLuint numInputs,
   const GLuint inputMapping[],
   const ubyte inputSemanticName[],
   const ubyte inputSemanticIndex[],
   const GLuint interpMode[],
   GLuint numOutputs,
   const GLuint outputMapping[],
   const ubyte outputSemanticName[],
   const ubyte outputSemanticIndex[],
   boolean passthrough_edgeflags,
   boolean clamp_color)
{
   struct st_translate translate, *t;
   unsigned i;
   enum pipe_error ret = PIPE_OK;

   assert(numInputs <= ARRAY_SIZE(t->inputs));
   assert(numOutputs <= ARRAY_SIZE(t->outputs));

   t = &translate;
   memset(t, 0, sizeof *t);

   t->procType = procType;
   t->inputMapping = inputMapping;
   t->outputMapping = outputMapping;
   t->ureg = ureg;

   /*_mesa_print_program(program);*/

   /*
    * Declare input attributes.
    */
   if (procType == TGSI_PROCESSOR_FRAGMENT) {
      for (i = 0; i < numInputs; i++) {
         t->inputs[i] = ureg_DECL_fs_input(ureg,
                                           inputSemanticName[i],
                                           inputSemanticIndex[i],
                                           interpMode[i]);
      }

      if (program->InputsRead & VARYING_BIT_POS) {
         /* Must do this after setting up t->inputs, and before
          * emitting constant references, below:
          */
         emit_wpos(st_context(ctx), t, program, ureg);
      }

      if (program->InputsRead & VARYING_BIT_FACE) {
         emit_face_var( t, program );
      }

      /*
       * Declare output attributes.
       */
      for (i = 0; i < numOutputs; i++) {
         switch (outputSemanticName[i]) {
         case TGSI_SEMANTIC_POSITION:
            t->outputs[i] = ureg_DECL_output( ureg,
                                              TGSI_SEMANTIC_POSITION, /* Z / Depth */
                                              outputSemanticIndex[i] );

            t->outputs[i] = ureg_writemask( t->outputs[i],
                                            TGSI_WRITEMASK_Z );
            break;
         case TGSI_SEMANTIC_STENCIL:
            t->outputs[i] = ureg_DECL_output( ureg,
                                              TGSI_SEMANTIC_STENCIL, /* Stencil */
                                              outputSemanticIndex[i] );
            t->outputs[i] = ureg_writemask( t->outputs[i],
                                            TGSI_WRITEMASK_Y );
            break;
         case TGSI_SEMANTIC_COLOR:
            t->outputs[i] = ureg_DECL_output( ureg,
                                              TGSI_SEMANTIC_COLOR,
                                              outputSemanticIndex[i] );
            break;
         default:
            debug_assert(0);
            return 0;
         }
      }
   }
   else if (procType == TGSI_PROCESSOR_GEOMETRY) {
      for (i = 0; i < numInputs; i++) {
         t->inputs[i] = ureg_DECL_input(ureg,
                                        inputSemanticName[i],
                                        inputSemanticIndex[i], 0, 1);
      }

      for (i = 0; i < numOutputs; i++) {
         t->outputs[i] = ureg_DECL_output( ureg,
                                           outputSemanticName[i],
                                           outputSemanticIndex[i] );
      }
   }
   else {
      assert(procType == TGSI_PROCESSOR_VERTEX);

      for (i = 0; i < numInputs; i++) {
         t->inputs[i] = ureg_DECL_vs_input(ureg, i);
      }

      for (i = 0; i < numOutputs; i++) {
         t->outputs[i] = ureg_DECL_output( ureg,
                                           outputSemanticName[i],
                                           outputSemanticIndex[i] );
         if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
            /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
            ureg_MOV(ureg,
                     ureg_writemask(t->outputs[i], TGSI_WRITEMASK_YZW),
                     ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
            t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
	 }
      }
      if (passthrough_edgeflags)
         emit_edgeflags( t, program );
   }

   /* Declare address register.
    */
   if (program->NumAddressRegs > 0) {
      debug_assert( program->NumAddressRegs == 1 );
      t->address[0] = ureg_DECL_address( ureg );
   }

   /* Declare misc input registers
    */
   {
      GLbitfield sysInputs = program->SystemValuesRead;
      unsigned numSys = 0;
      for (i = 0; sysInputs; i++) {
         if (sysInputs & (1 << i)) {
            unsigned semName = _mesa_sysval_to_semantic[i];
            t->systemValues[i] = ureg_DECL_system_value(ureg, numSys, semName, 0);
            if (semName == TGSI_SEMANTIC_INSTANCEID ||
                semName == TGSI_SEMANTIC_VERTEXID) {
               /* From Gallium perspective, these system values are always
                * integer, and require native integer support.  However, if
                * native integer is supported on the vertex stage but not the
                * pixel stage (e.g, i915g + draw), Mesa will generate IR that
                * assumes these system values are floats. To resolve the
                * inconsistency, we insert a U2F.
                */
               struct st_context *st = st_context(ctx);
               struct pipe_screen *pscreen = st->pipe->screen;
               assert(procType == TGSI_PROCESSOR_VERTEX);
               assert(pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_INTEGERS));
               (void) pscreen;  /* silence non-debug build warnings */
               if (!ctx->Const.NativeIntegers) {
                  struct ureg_dst temp = ureg_DECL_local_temporary(t->ureg);
                  ureg_U2F( t->ureg, ureg_writemask(temp, TGSI_WRITEMASK_X), t->systemValues[i]);
                  t->systemValues[i] = ureg_scalar(ureg_src(temp), 0);
               }
            }
            numSys++;
            sysInputs &= ~(1 << i);
         }
      }
   }

   if (program->IndirectRegisterFiles & (1 << PROGRAM_TEMPORARY)) {
      /* If temps are accessed with indirect addressing, declare temporaries
       * in sequential order.  Else, we declare them on demand elsewhere.
       */
      for (i = 0; i < program->NumTemporaries; i++) {
         /* XXX use TGSI_FILE_TEMPORARY_ARRAY when it's supported by ureg */
         t->temps[i] = ureg_DECL_temporary( t->ureg );
      }
   }

   /* Emit constants and immediates.  Mesa uses a single index space
    * for these, so we put all the translated regs in t->constants.
    */
   if (program->Parameters) {
      t->constants = calloc( program->Parameters->NumParameters,
                             sizeof t->constants[0] );
      if (t->constants == NULL) {
         ret = PIPE_ERROR_OUT_OF_MEMORY;
         goto out;
      }

      for (i = 0; i < program->Parameters->NumParameters; i++) {
         switch (program->Parameters->Parameters[i].Type) {
         case PROGRAM_STATE_VAR:
         case PROGRAM_UNIFORM:
            t->constants[i] = ureg_DECL_constant( ureg, i );
            break;

            /* Emit immediates only when there's no indirect addressing of
             * the const buffer.
             * FIXME: Be smarter and recognize param arrays:
             * indirect addressing is only valid within the referenced
             * array.
             */
         case PROGRAM_CONSTANT:
            if (program->IndirectRegisterFiles & PROGRAM_ANY_CONST)
               t->constants[i] = ureg_DECL_constant( ureg, i );
            else
               t->constants[i] = 
                  ureg_DECL_immediate( ureg,
                                       (const float*) program->Parameters->ParameterValues[i],
                                       4 );
            break;
         default:
            break;
         }
      }
   }

   /* texture samplers */
   for (i = 0; i < ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; i++) {
      if (program->SamplersUsed & (1 << i)) {
         t->samplers[i] = ureg_DECL_sampler( ureg, i );
      }
   }

   /* Emit each instruction in turn:
    */
   for (i = 0; i < program->NumInstructions; i++) {
      set_insn_start( t, ureg_get_instruction_number( ureg ));
      compile_instruction( ctx, t, &program->Instructions[i], clamp_color );
   }

   /* Fix up all emitted labels:
    */
   for (i = 0; i < t->labels_count; i++) {
      ureg_fixup_label( ureg,
                        t->labels[i].token,
                        t->insn[t->labels[i].branch_target] );
   }

out:
   free(t->insn);
   free(t->labels);
   free(t->constants);

   if (t->error) {
      debug_printf("%s: translate error flag set\n", __func__);
   }

   return ret;
}
示例#26
0
文件: vl_zscan.c 项目: airlied/mesa
static void *
create_frag_shader(struct vl_zscan *zscan)
{
   struct ureg_program *shader;
   struct ureg_src *vtex;

   struct ureg_src samp_src, samp_scan, samp_quant;

   struct ureg_dst *tmp;
   struct ureg_dst quant, fragment;

   unsigned i;

   shader = ureg_create(PIPE_SHADER_FRAGMENT);
   if (!shader)
      return NULL;

   vtex = MALLOC(zscan->num_channels * sizeof(struct ureg_src));
   tmp = MALLOC(zscan->num_channels * sizeof(struct ureg_dst));

   for (i = 0; i < zscan->num_channels; ++i)
      vtex[i] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX + i, TGSI_INTERPOLATE_LINEAR);

   samp_src = ureg_DECL_sampler(shader, 0);
   samp_scan = ureg_DECL_sampler(shader, 1);
   samp_quant = ureg_DECL_sampler(shader, 2);

   for (i = 0; i < zscan->num_channels; ++i)
      tmp[i] = ureg_DECL_temporary(shader);
   quant = ureg_DECL_temporary(shader);

   fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

   /*
    * tmp.x = tex(vtex, 1)
    * tmp.y = vtex.z
    * fragment = tex(tmp, 0) * quant
    */
   for (i = 0; i < zscan->num_channels; ++i)
      ureg_TEX(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_X), TGSI_TEXTURE_2D, vtex[i], samp_scan);

   for (i = 0; i < zscan->num_channels; ++i)
      ureg_MOV(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_Y), ureg_scalar(vtex[i], TGSI_SWIZZLE_W));

   for (i = 0; i < zscan->num_channels; ++i) {
      ureg_TEX(shader, ureg_writemask(tmp[0], TGSI_WRITEMASK_X << i), TGSI_TEXTURE_2D, ureg_src(tmp[i]), samp_src);
      ureg_TEX(shader, ureg_writemask(quant, TGSI_WRITEMASK_X << i), TGSI_TEXTURE_3D, vtex[i], samp_quant);
   }

   ureg_MUL(shader, quant, ureg_src(quant), ureg_imm1f(shader, 16.0f));
   ureg_MUL(shader, fragment, ureg_src(tmp[0]), ureg_src(quant));

   for (i = 0; i < zscan->num_channels; ++i)
      ureg_release_temporary(shader, tmp[i]);
   ureg_END(shader);

   FREE(vtex);
   FREE(tmp);

   return ureg_create_shader_and_destroy(shader, zscan->pipe);
}
示例#27
0
static void *
create_deint_frag_shader(struct vl_deint_filter *filter, unsigned field,
                         struct vertex2f *sizes, bool spatial_filter)
{
   struct ureg_program *shader;
   struct ureg_src i_vtex;
   struct ureg_src sampler_cur;
   struct ureg_src sampler_prevprev;
   struct ureg_src sampler_prev;
   struct ureg_src sampler_next;
   struct ureg_dst o_fragment;
   struct ureg_dst t_tex;
   struct ureg_dst t_comp_top, t_comp_bot;
   struct ureg_dst t_diff;
   struct ureg_dst t_a, t_b;
   struct ureg_dst t_weave, t_linear;

   shader = ureg_create(PIPE_SHADER_FRAGMENT);
   if (!shader) {
      return NULL;
   }

   t_tex = ureg_DECL_temporary(shader);
   t_comp_top = ureg_DECL_temporary(shader);
   t_comp_bot = ureg_DECL_temporary(shader);
   t_diff = ureg_DECL_temporary(shader);
   t_a = ureg_DECL_temporary(shader);
   t_b = ureg_DECL_temporary(shader);
   t_weave = ureg_DECL_temporary(shader);
   t_linear = ureg_DECL_temporary(shader);

   i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR);
   sampler_prevprev = ureg_DECL_sampler(shader, 0);
   sampler_prev = ureg_DECL_sampler(shader, 1);
   sampler_cur = ureg_DECL_sampler(shader, 2);
   sampler_next = ureg_DECL_sampler(shader, 3);
   o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);

   // we don't care about ZW interpolation (allows better optimization)
   ureg_MOV(shader, t_tex, i_vtex);
   ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW),
            ureg_imm1f(shader, 0));

   // sample between texels for cheap lowpass
   ureg_ADD(shader, t_comp_top, ureg_src(t_tex),
            ureg_imm4f(shader, sizes->x * 0.5f, sizes->y * -0.5f, 0, 0));
   ureg_ADD(shader, t_comp_bot, ureg_src(t_tex),
            ureg_imm4f(shader, sizes->x * -0.5f, sizes->y * 0.5f, 1.0f, 0));

   if (field == 0) {
      /* interpolating top field -> current field is a bottom field */
      // cur vs prev2
      ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur);
      ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prevprev);
      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
      // prev vs next
      ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prev);
      ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_next);
      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
   } else {
      /* interpolating bottom field -> current field is a top field */
      // cur vs prev2
      ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur);
      ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prevprev);
      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
      // prev vs next
      ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev);
      ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_next);
      ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b)));
   }

   // absolute maximum of differences
   ureg_MAX(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_abs(ureg_src(t_diff)),
            ureg_scalar(ureg_abs(ureg_src(t_diff)), TGSI_SWIZZLE_Y));

   if (field == 0) {
      /* weave with prev top field */
      ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler_prev);
      /* get linear interpolation from current bottom field */
      ureg_ADD(shader, t_comp_top, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * -1.0f, 1.0f, 0));
      ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur);
   } else {
      /* weave with prev bottom field */
      ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, 0, 1.0f, 0));
      ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev);
      /* get linear interpolation from current top field */
      ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * 1.0f, 0, 0));
      ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur);
   }

   // mix between weave and linear
   // fully weave if diff < 6 (0.02353), fully interpolate if diff > 14 (0.05490)
   ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_diff),
            ureg_imm4f(shader, -0.02353f, 0, 0, 0));
   ureg_MUL(shader, ureg_saturate(ureg_writemask(t_diff, TGSI_WRITEMASK_X)),
            ureg_src(t_diff), ureg_imm4f(shader, 31.8750f, 0, 0, 0));
   ureg_LRP(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_X), ureg_src(t_diff),
            ureg_src(t_linear), ureg_src(t_weave));
   ureg_MOV(shader, o_fragment, ureg_scalar(ureg_src(t_tex), TGSI_SWIZZLE_X));

   ureg_release_temporary(shader, t_tex);
   ureg_release_temporary(shader, t_comp_top);
   ureg_release_temporary(shader, t_comp_bot);
   ureg_release_temporary(shader, t_diff);
   ureg_release_temporary(shader, t_a);
   ureg_release_temporary(shader, t_b);
   ureg_release_temporary(shader, t_weave);
   ureg_release_temporary(shader, t_linear);
   ureg_END(shader);

   return ureg_create_shader_and_destroy(shader, filter->pipe);
}
示例#28
0
文件: vl_zscan.c 项目: airlied/mesa
static void *
create_vert_shader(struct vl_zscan *zscan)
{
   struct ureg_program *shader;
   struct ureg_src scale;
   struct ureg_src vrect, vpos, block_num;
   struct ureg_dst tmp;
   struct ureg_dst o_vpos;
   struct ureg_dst *o_vtex;
   unsigned i;

   shader = ureg_create(PIPE_SHADER_VERTEX);
   if (!shader)
      return NULL;

   o_vtex = MALLOC(zscan->num_channels * sizeof(struct ureg_dst));

   scale = ureg_imm2f(shader,
      (float)VL_BLOCK_WIDTH / zscan->buffer_width,
      (float)VL_BLOCK_HEIGHT / zscan->buffer_height);

   vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
   vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
   block_num = ureg_DECL_vs_input(shader, VS_I_BLOCK_NUM);

   tmp = ureg_DECL_temporary(shader);

   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);

   for (i = 0; i < zscan->num_channels; ++i)
      o_vtex[i] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX + i);

   /*
    * o_vpos.xy = (vpos + vrect) * scale
    * o_vpos.zw = 1.0f
    *
    * tmp.xy = InstanceID / blocks_per_line
    * tmp.x = frac(tmp.x)
    * tmp.y = floor(tmp.y)
    *
    * o_vtex.x = vrect.x / blocks_per_line + tmp.x
    * o_vtex.y = vrect.y
    * o_vtex.z = tmp.z * blocks_per_line / blocks_total
    */
   ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY), vpos, vrect);
   ureg_MUL(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(tmp), scale);
   ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));

   ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XW), ureg_scalar(block_num, TGSI_SWIZZLE_X),
            ureg_imm1f(shader, 1.0f / zscan->blocks_per_line));

   ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X));
   ureg_FLR(shader, ureg_writemask(tmp, TGSI_WRITEMASK_W), ureg_src(tmp));

   for (i = 0; i < zscan->num_channels; ++i) {
      ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y),
               ureg_imm1f(shader, 1.0f / (zscan->blocks_per_line * VL_BLOCK_WIDTH)
                * (i - (signed)zscan->num_channels / 2)));

      ureg_MAD(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_X), vrect,
               ureg_imm1f(shader, 1.0f / zscan->blocks_per_line), ureg_src(tmp));
      ureg_MOV(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_Y), vrect);
      ureg_MOV(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_Z), vpos);
      ureg_MUL(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_W), ureg_src(tmp),
               ureg_imm1f(shader, (float)zscan->blocks_per_line / zscan->blocks_total));
   }

   ureg_release_temporary(shader, tmp);
   ureg_END(shader);

   FREE(o_vtex);

   return ureg_create_shader_and_destroy(shader, zscan->pipe);
}