[PATCH vkd3d 3/4] vkd3d-shader/sm4: Parse the "non-uniform" modifier.

[Henri Verbeet]

From: Conor McCarthy

Signed-off-by: Conor McCarthy 
Signed-off-by: Henri Verbeet 
---
 libs/vkd3d-shader/dxbc.c                 | 6 +++++-
 libs/vkd3d-shader/sm4.h                  | 3 +++
 libs/vkd3d-shader/trace.c                | 9 +++++++++
 libs/vkd3d-shader/vkd3d_shader_private.h | 1 +
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c
index f325d9b7..6afb92c5 100644
--- a/libs/vkd3d-shader/dxbc.c
+++ b/libs/vkd3d-shader/dxbc.c
@@ -1200,6 +1200,7 @@ static bool shader_sm4_read_param(struct vkd3d_sm4_data *priv, const DWORD **ptr
         param->type = register_type_table[register_type];
     }
     param->precision = VKD3D_SHADER_REGISTER_PRECISION_DEFAULT;
+    param->non_uniform = false;
     param->data_type = data_type;

*modifier = VKD3DSPSM_NONE;
@@ -1249,8 +1250,11 @@ static bool shader_sm4_read_param(struct vkd3d_sm4_data *priv, const DWORD **ptr
                 param->precision = register_precision_table[precision];
             }

+            if (extended & VKD3D_SM4_REGISTER_NON_UNIFORM_MASK)
+                param->non_uniform = true;
+
             extended &= ~(VKD3D_SM4_EXTENDED_OPERAND_TYPE_MASK | VKD3D_SM4_REGISTER_MODIFIER_MASK
-                    | VKD3D_SM4_REGISTER_PRECISION_MASK);
+                    | VKD3D_SM4_REGISTER_PRECISION_MASK | VKD3D_SM4_REGISTER_NON_UNIFORM_MASK);
             if (extended)
                 FIXME("Skipping unhandled extended operand bits 0x%08x.\n", extended);
         }
diff --git a/libs/vkd3d-shader/sm4.h b/libs/vkd3d-shader/sm4.h
index e811f198..3ac41cb0 100644
--- a/libs/vkd3d-shader/sm4.h
+++ b/libs/vkd3d-shader/sm4.h
@@ -104,6 +104,9 @@
 #define VKD3D_SM4_REGISTER_PRECISION_SHIFT    14
 #define VKD3D_SM4_REGISTER_PRECISION_MASK     (0x7u << VKD3D_SM4_REGISTER_PRECISION_SHIFT)

+#define VKD3D_SM4_REGISTER_NON_UNIFORM_SHIFT  17
+#define VKD3D_SM4_REGISTER_NON_UNIFORM_MASK   (0x1u << VKD3D_SM4_REGISTER_NON_UNIFORM_SHIFT)
+
 #define VKD3D_SM4_ADDRESSING_SHIFT2           28
 #define VKD3D_SM4_ADDRESSING_MASK2            (0x3u << VKD3D_SM4_ADDRESSING_SHIFT2)

diff --git a/libs/vkd3d-shader/trace.c b/libs/vkd3d-shader/trace.c
index dba50d2a..45f38d13 100644
--- a/libs/vkd3d-shader/trace.c
+++ b/libs/vkd3d-shader/trace.c
@@ -1202,6 +1202,13 @@ static void shader_print_precision(struct vkd3d_d3d_asm_compiler *compiler, cons
     vkd3d_string_buffer_printf(buffer, " {%s%s%s}", compiler->colours.modifier, precision, compiler->colours.reset);
 }

+static void shader_print_non_uniform(struct vkd3d_d3d_asm_compiler *compiler, const struct vkd3d_shader_register *reg)
+{
+    if (reg->non_uniform)
+        vkd3d_string_buffer_printf(&compiler->buffer, " {%snonuniform%s}",
+                compiler->colours.modifier, compiler->colours.reset);
+}
+
 static void shader_dump_dst_param(struct vkd3d_d3d_asm_compiler *compiler,
         const struct vkd3d_shader_dst_param *param, bool is_declaration)
 {
@@ -1230,6 +1237,7 @@ static void shader_dump_dst_param(struct vkd3d_d3d_asm_compiler *compiler,
     }

shader_print_precision(compiler, &param->reg);
+    shader_print_non_uniform(compiler, &param->reg);
 }

static void shader_dump_src_param(struct vkd3d_d3d_asm_compiler *compiler,
@@ -1302,6 +1310,7 @@ static void shader_dump_src_param(struct vkd3d_d3d_asm_compiler *compiler,
         shader_addline(buffer, "|");

shader_print_precision(compiler, &param->reg);
+    shader_print_non_uniform(compiler, &param->reg);
 }

static void shader_dump_ins_modifiers(struct vkd3d_d3d_asm_compiler *compiler,
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index b48b901f..8b3e7624 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -633,6 +633,7 @@ struct vkd3d_shader_register
 {
     enum vkd3d_shader_register_type type;
     enum vkd3d_shader_register_precision precision;
+    bool non_uniform;
     enum vkd3d_data_type data_type;
     struct vkd3d_shader_register_index idx[3];
     enum vkd3d_immconst_type immconst_type;