diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 197ae599bb3..ed39fb4988e 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -932,8 +932,8 @@ barycentric("at_offset", 2, [2])
 intrinsic("load_sample_pos_from_id", src_comp=[1], dest_comp=2,
           flags=[CAN_ELIMINATE, CAN_REORDER])
 
-# Loads what I believe is the primitive size, for scaling ij to pixel size:
-intrinsic("load_size_ir3", dest_comp=1, flags=[CAN_ELIMINATE, CAN_REORDER])
+intrinsic("load_persp_center_rhw_ir3", dest_comp=1,
+          flags=[CAN_ELIMINATE, CAN_REORDER])
 
 # Load texture scaling values:
 #
diff --git a/src/compiler/shader_enums.c b/src/compiler/shader_enums.c
index 65b2164b024..15d1923562d 100644
--- a/src/compiler/shader_enums.c
+++ b/src/compiler/shader_enums.c
@@ -312,7 +312,7 @@ gl_system_value_name(gl_system_value sysval)
      ENUM(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL),
      ENUM(SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE),
      ENUM(SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID),
-     ENUM(SYSTEM_VALUE_BARYCENTRIC_PERSP_SIZE),
+     ENUM(SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTER_RHW),
      ENUM(SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL),
      ENUM(SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID),
      ENUM(SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE),
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 8d18a882f7c..7c7c7afe037 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -802,7 +802,7 @@ typedef enum
    SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL,
    SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE,
    SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID,
-   SYSTEM_VALUE_BARYCENTRIC_PERSP_SIZE,
+   SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTER_RHW,
    SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL,
    SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID,
    SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE,
diff --git a/src/freedreno/ir3/ir3_compiler_nir.c b/src/freedreno/ir3/ir3_compiler_nir.c
index 385ab89db01..00d7a0b1b5b 100644
--- a/src/freedreno/ir3/ir3_compiler_nir.c
+++ b/src/freedreno/ir3/ir3_compiler_nir.c
@@ -1753,8 +1753,8 @@ get_barycentric(struct ir3_context *ctx, enum ir3_bary bary)
                  SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE);
    STATIC_ASSERT(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL + IJ_PERSP_CENTROID ==
                  SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID);
-   STATIC_ASSERT(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL + IJ_PERSP_SIZE ==
-                 SYSTEM_VALUE_BARYCENTRIC_PERSP_SIZE);
+   STATIC_ASSERT(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL + IJ_PERSP_CENTER_RHW ==
+                 SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTER_RHW);
    STATIC_ASSERT(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL + IJ_LINEAR_PIXEL ==
                  SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL);
    STATIC_ASSERT(SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL + IJ_LINEAR_CENTROID ==
@@ -2171,12 +2171,12 @@ emit_intrinsic(struct ir3_context *ctx, nir_intrinsic_instr *intr)
 
       break;
    }
-   case nir_intrinsic_load_size_ir3:
-      if (!ctx->ij[IJ_PERSP_SIZE]) {
-         ctx->ij[IJ_PERSP_SIZE] =
-            create_sysval_input(ctx, SYSTEM_VALUE_BARYCENTRIC_PERSP_SIZE, 0x1);
+   case nir_intrinsic_load_persp_center_rhw_ir3:
+      if (!ctx->ij[IJ_PERSP_CENTER_RHW]) {
+         ctx->ij[IJ_PERSP_CENTER_RHW] =
+            create_sysval_input(ctx, SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTER_RHW, 0x1);
       }
-      dst[0] = ctx->ij[IJ_PERSP_SIZE];
+      dst[0] = ctx->ij[IJ_PERSP_CENTER_RHW];
       break;
    case nir_intrinsic_load_barycentric_centroid:
    case nir_intrinsic_load_barycentric_sample:
diff --git a/src/freedreno/ir3/ir3_nir_lower_load_barycentric_at_offset.c b/src/freedreno/ir3/ir3_nir_lower_load_barycentric_at_offset.c
index d21c9e2d8de..90e93b0e8a6 100644
--- a/src/freedreno/ir3/ir3_nir_lower_load_barycentric_at_offset.c
+++ b/src/freedreno/ir3/ir3_nir_lower_load_barycentric_at_offset.c
@@ -52,7 +52,7 @@ ir3_nir_lower_load_barycentric_at_offset_instr(nir_builder *b, nir_instr *instr,
    /* note: at_offset is defined to be relative to the center of the pixel */
    nir_ssa_def *ij = nir_load_barycentric_pixel(b, 32, .interp_mode = interp_mode);
 
-   nir_ssa_def *s = load(b, 1, nir_intrinsic_load_size_ir3);
+   nir_ssa_def *s = load(b, 1, nir_intrinsic_load_persp_center_rhw_ir3);
 
    s = nir_frcp(b, s);
 
diff --git a/src/freedreno/ir3/ir3_shader.c b/src/freedreno/ir3/ir3_shader.c
index 9cbd34c9dbe..a997c324a56 100644
--- a/src/freedreno/ir3/ir3_shader.c
+++ b/src/freedreno/ir3/ir3_shader.c
@@ -863,8 +863,8 @@ ir3_shader_disasm(struct ir3_shader_variant *so, uint32_t *bin, FILE *out)
       dump_reg(
          out, "pos (ij_centroid)",
          ir3_find_sysval_regid(so, SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID));
-      dump_reg(out, "pos (ij_size)",
-               ir3_find_sysval_regid(so, SYSTEM_VALUE_BARYCENTRIC_PERSP_SIZE));
+      dump_reg(out, "pos (center_rhw)",
+               ir3_find_sysval_regid(so, SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTER_RHW));
       dump_output(out, so, FRAG_RESULT_DEPTH, "posz");
       if (so->color0_mrt) {
          dump_output(out, so, FRAG_RESULT_COLOR, "color");
diff --git a/src/freedreno/ir3/ir3_shader.h b/src/freedreno/ir3/ir3_shader.h
index f766ef12883..7b058f5c7eb 100644
--- a/src/freedreno/ir3/ir3_shader.h
+++ b/src/freedreno/ir3/ir3_shader.h
@@ -91,7 +91,7 @@ enum ir3_bary {
    IJ_PERSP_PIXEL,
    IJ_PERSP_SAMPLE,
    IJ_PERSP_CENTROID,
-   IJ_PERSP_SIZE,
+   IJ_PERSP_CENTER_RHW,
    IJ_LINEAR_PIXEL,
    IJ_LINEAR_CENTROID,
    IJ_LINEAR_SAMPLE,
diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index 6956f304a24..c852a7a923f 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -1442,7 +1442,7 @@ tu6_emit_fs_inputs(struct tu_cs *cs, const struct ir3_shader_variant *fs)
    tu_cs_emit(cs, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                   A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                   A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(smask_in_regid) |
-                  A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_SIZE]));
+                  A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
    tu_cs_emit(cs, A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
                   A6XX_HLSQ_CONTROL_3_REG_IJ_LINEAR_PIXEL(ij_regid[IJ_LINEAR_PIXEL]) |
                   A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_CENTROID(ij_regid[IJ_PERSP_CENTROID]) |
@@ -1460,7 +1460,7 @@ tu6_emit_fs_inputs(struct tu_cs *cs, const struct ir3_shader_variant *fs)
 
    bool need_size = fs->frag_face || fs->fragcoord_compmask != 0;
    bool need_size_persamp = false;
-   if (VALIDREG(ij_regid[IJ_PERSP_SIZE])) {
+   if (VALIDREG(ij_regid[IJ_PERSP_CENTER_RHW])) {
       if (sample_shading)
          need_size_persamp = true;
       else
@@ -1497,7 +1497,7 @@ tu6_emit_fs_inputs(struct tu_cs *cs, const struct ir3_shader_variant *fs)
             sample_shading ? FRAGCOORD_SAMPLE : FRAGCOORD_CENTER) |
          CONDREG(smask_in_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEMASK) |
          CONDREG(samp_id_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEID) |
-         CONDREG(ij_regid[IJ_PERSP_SIZE], A6XX_RB_RENDER_CONTROL1_SIZE) |
+         CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_SIZE) |
          COND(fs->frag_face, A6XX_RB_RENDER_CONTROL1_FACENESS));
 
    tu_cs_emit_pkt4(cs, REG_A6XX_RB_SAMPLE_CNTL, 1);
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_program.c b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
index 198a41c307d..2fc6f308a65 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_program.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
@@ -518,7 +518,7 @@ fd5_program_emit(struct fd_context *ctx, struct fd_ringbuffer *ring,
    OUT_RING(ring, A5XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                      A5XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                      A5XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(samp_mask_regid) |
-                     A5XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_SIZE]));
+                     A5XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
    OUT_RING(
       ring,
       A5XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_program.c b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
index fd739e696f3..e630ccc2dac 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_program.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
@@ -840,7 +840,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct fd_context *ctx,
    OUT_RING(ring, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) |
                      A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) |
                      A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(smask_in_regid) |
-                     A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_SIZE]));
+                     A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_regid[IJ_PERSP_CENTER_RHW]));
    OUT_RING(
       ring,
       A6XX_HLSQ_CONTROL_3_REG_IJ_PERSP_PIXEL(ij_regid[IJ_PERSP_PIXEL]) |
@@ -878,7 +878,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct fd_context *ctx,
 
    bool need_size = fs->frag_face || fs->fragcoord_compmask != 0;
    bool need_size_persamp = false;
-   if (VALIDREG(ij_regid[IJ_PERSP_SIZE])) {
+   if (VALIDREG(ij_regid[IJ_PERSP_CENTER_RHW])) {
       if (sample_shading)
          need_size_persamp = true;
       else
@@ -925,7 +925,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct fd_context *ctx,
    OUT_RING(ring,
             CONDREG(smask_in_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEMASK) |
                CONDREG(samp_id_regid, A6XX_RB_RENDER_CONTROL1_SAMPLEID) |
-               CONDREG(ij_regid[IJ_PERSP_SIZE], A6XX_RB_RENDER_CONTROL1_SIZE) |
+               CONDREG(ij_regid[IJ_PERSP_CENTER_RHW], A6XX_RB_RENDER_CONTROL1_SIZE) |
                COND(fs->frag_face, A6XX_RB_RENDER_CONTROL1_FACENESS));
 
    OUT_PKT4(ring, REG_A6XX_RB_SAMPLE_CNTL, 1);