[Mesa-dev] [PATCH 15/18] i965: add double support packing support to gs inputs

Timothy Arceri timothy.arceri at collabora.com
Fri Jun 10 23:03:35 UTC 2016


---
 src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 2890f74..1262977 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -2110,6 +2110,7 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst,
       }
       fs_reg tmp = fs_reg(VGRF, alloc.allocate(4), dst.type);
       tmp_dst = tmp;
+      first_component = first_component / 2;
    }
 
    for (unsigned iter = 0; iter < num_iterations; iter++) {
@@ -2119,7 +2120,7 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst,
             unsigned read_components = num_components + first_component;
             fs_reg tmp = bld.vgrf(dst.type, read_components);
             inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, tmp, icp_handle);
-            inst->regs_written = read_components;
+            inst->regs_written = read_components * type_sz(tmp_dst.type) / 4;
             for (unsigned i = 0; i < num_components; i++) {
                bld.MOV(offset(tmp_dst, bld, i),
                        offset(tmp, bld, i + first_component));
@@ -2142,7 +2143,7 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst,
          if (first_component != 0) {
             inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8_PER_SLOT, tmp,
                             payload);
-            inst->regs_written = read_components;
+            inst->regs_written = read_components * type_sz(tmp_dst.type) / 4;
             for (unsigned i = 0; i < num_components; i++) {
                bld.MOV(offset(tmp_dst, bld, i),
                        offset(tmp, bld, i + first_component));
-- 
2.5.5



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