[PATCH] wined3d: Parse the eval_centroid opcode.

[Zebediah Figura]

This fixes rendering of trees and other objects in SnowRunner with the Vulkan
renderer.

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 dlls/wined3d/arb_program_shader.c | 1 +
 dlls/wined3d/glsl_shader.c        | 1 +
 dlls/wined3d/shader.c             | 1 +
 dlls/wined3d/shader_sm4.c         | 2 ++
 dlls/wined3d/wined3d_private.h    | 1 +
 5 files changed, 6 insertions(+)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 5c45df8e6fa..dcdee479e17 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -5080,6 +5080,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
     /* WINED3DSIH_ENDREP                           */ shader_hw_endrep,
     /* WINED3DSIH_ENDSWITCH                        */ NULL,
     /* WINED3DSIH_EQ                               */ NULL,
+    /* WINED3DSIH_EVAL_CENTROID                    */ NULL,
     /* WINED3DSIH_EVAL_SAMPLE_INDEX                */ NULL,
     /* WINED3DSIH_EXP                              */ shader_hw_scalar_op,
     /* WINED3DSIH_EXPP                             */ shader_hw_scalar_op,
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 0c9822a95aa..40b5442ed04 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -11323,6 +11323,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
     /* WINED3DSIH_ENDREP                           */ shader_glsl_end,
     /* WINED3DSIH_ENDSWITCH                        */ shader_glsl_end,
     /* WINED3DSIH_EQ                               */ shader_glsl_relop,
+    /* WINED3DSIH_EVAL_CENTROID                    */ NULL,
     /* WINED3DSIH_EVAL_SAMPLE_INDEX                */ shader_glsl_interpolate,
     /* WINED3DSIH_EXP                              */ shader_glsl_scalar_op,
     /* WINED3DSIH_EXPP                             */ shader_glsl_expp,
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index c02f82b4d7b..c2e77021bb3 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -133,6 +133,7 @@ static const char * const shader_opcode_names[] =
     /* WINED3DSIH_ENDREP                           */ "endrep",
     /* WINED3DSIH_ENDSWITCH                        */ "endswitch",
     /* WINED3DSIH_EQ                               */ "eq",
+    /* WINED3DSIH_EVAL_CENTROID                    */ "eval_centroid",
     /* WINED3DSIH_EVAL_SAMPLE_INDEX                */ "eval_sample_index",
     /* WINED3DSIH_EXP                              */ "exp",
     /* WINED3DSIH_EXPP                             */ "expp",
diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index 266b54d1d15..e60eb9b2fc4 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -305,6 +305,7 @@ enum wined3d_sm4_opcode
     WINED3D_SM5_OP_IMM_ATOMIC_UMIN                  = 0xbd,
     WINED3D_SM5_OP_SYNC                             = 0xbe,
     WINED3D_SM5_OP_EVAL_SAMPLE_INDEX                = 0xcc,
+    WINED3D_SM5_OP_EVAL_CENTROID                    = 0xcd,
     WINED3D_SM5_OP_DCL_GS_INSTANCES                 = 0xce,
 };
 
@@ -1124,6 +1125,7 @@ static const struct wined3d_sm4_opcode_info opcode_table[] =
     {WINED3D_SM5_OP_SYNC,                             WINED3DSIH_SYNC,                             "",     "",
             shader_sm5_read_sync},
     {WINED3D_SM5_OP_EVAL_SAMPLE_INDEX,                WINED3DSIH_EVAL_SAMPLE_INDEX,                "f",    "fi"},
+    {WINED3D_SM5_OP_EVAL_CENTROID,                    WINED3DSIH_EVAL_CENTROID,                    "f",    "f"},
     {WINED3D_SM5_OP_DCL_GS_INSTANCES,                 WINED3DSIH_DCL_GS_INSTANCES,                 "",     "",
             shader_sm4_read_declaration_count},
 };
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index e2c8c3804db..affef24d353 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -917,6 +917,7 @@ enum WINED3D_SHADER_INSTRUCTION_HANDLER
     WINED3DSIH_ENDREP,
     WINED3DSIH_ENDSWITCH,
     WINED3DSIH_EQ,
+    WINED3DSIH_EVAL_CENTROID,
     WINED3DSIH_EVAL_SAMPLE_INDEX,
     WINED3DSIH_EXP,
     WINED3DSIH_EXPP,
-- 
2.36.1