[PATCH 0/1] MR392: vkd3d-shader/tpf: Get rid of the output map.

[PATCH 1/1] vkd3d-shader/tpf: Get rid of the output map.

[Henri Verbeet]

From: Henri Verbeet

Map output registers in the backend instead, as needed.
---
 libs/vkd3d-shader/d3d_asm.c |  4 +---
 libs/vkd3d-shader/spirv.c   |  7 +++++-
 libs/vkd3d-shader/tpf.c     | 47 -------------------------------------
 3 files changed, 7 insertions(+), 51 deletions(-)

diff --git a/libs/vkd3d-shader/d3d_asm.c b/libs/vkd3d-shader/d3d_asm.c
index 6a3513a28..620a2d22d 100644
--- a/libs/vkd3d-shader/d3d_asm.c
+++ b/libs/vkd3d-shader/d3d_asm.c
@@ -880,9 +880,7 @@ static void shader_dump_register(struct vkd3d_d3d_asm_compiler *compiler, const
             break;

case VKD3DSPR_COLOROUT:
-            shader_addline(buffer, "o");
-            if (!shader_ver_ge(&compiler->shader_version, 4, 0))
-                shader_addline(buffer, "C");
+            shader_addline(buffer, "oC");
             break;

case VKD3DSPR_DEPTHOUT:
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 07e276c57..d490e7452 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -3003,9 +3003,11 @@ static bool spirv_compiler_get_register_name(char *buffer, unsigned int buffer_s
             snprintf(buffer, buffer_size, "vicp%u", idx);
             break;
         case VKD3DSPR_OUTPUT:
-        case VKD3DSPR_COLOROUT:
             snprintf(buffer, buffer_size, "o%u", idx);
             break;
+        case VKD3DSPR_COLOROUT:
+            snprintf(buffer, buffer_size, "oC%u", idx);
+            break;
         case VKD3DSPR_DEPTHOUT:
         case VKD3DSPR_DEPTHOUTGE:
         case VKD3DSPR_DEPTHOUTLE:
@@ -5061,6 +5063,9 @@ static void spirv_compiler_emit_output(struct spirv_compiler *compiler,

if (is_patch_constant)
             location += shader_signature_next_location(&compiler->output_signature);
+        else if (compiler->shader_type == VKD3D_SHADER_TYPE_PIXEL
+                && signature_element->sysval_semantic == VKD3D_SHADER_SV_TARGET)
+            location = signature_element->semantic_index;

id = spirv_compiler_emit_array_variable(compiler, &builder->global_stream,
                 storage_class, component_type, output_component_count, array_sizes, 2);
diff --git a/libs/vkd3d-shader/tpf.c b/libs/vkd3d-shader/tpf.c
index 0fc16b4c7..fb0bbdaad 100644
--- a/libs/vkd3d-shader/tpf.c
+++ b/libs/vkd3d-shader/tpf.c
@@ -618,8 +618,6 @@ struct vkd3d_shader_sm4_parser
 {
     const uint32_t *start, *end, *ptr;

-    unsigned int output_map[MAX_REG_OUTPUT];
-
     enum vkd3d_shader_opcode phase;
     bool has_control_point_phase;
     unsigned int input_register_masks[MAX_REG_OUTPUT];
@@ -1656,31 +1654,6 @@ static enum vkd3d_sm4_swizzle_type vkd3d_sm4_get_default_swizzle_type(
     return register_type_info->default_src_swizzle_type;
 }

-static void map_register(const struct vkd3d_shader_sm4_parser *sm4, struct vkd3d_shader_register *reg)
-{
-    switch (sm4->p.shader_version.type)
-    {
-        case VKD3D_SHADER_TYPE_PIXEL:
-            if (reg->type == VKD3DSPR_OUTPUT)
-            {
-                unsigned int reg_idx = reg->idx[0].offset;
-
-                if (reg_idx >= ARRAY_SIZE(sm4->output_map))
-                {
-                    /* Validated later */
-                    break;
-                }
-
-                reg->type = VKD3DSPR_COLOROUT;
-                reg->idx[0].offset = sm4->output_map[reg_idx];
-            }
-            break;
-
-        default:
-            break;
-    }
-}
-
 static enum vkd3d_data_type map_data_type(char t)
 {
     switch (t)
@@ -1944,8 +1917,6 @@ static bool shader_sm4_read_param(struct vkd3d_shader_sm4_parser *priv, const ui
         ++param->idx_count;
     }

-    map_register(priv, param);
-
     return true;
 }

@@ -2476,7 +2447,6 @@ static bool shader_sm4_init(struct vkd3d_shader_sm4_parser *sm4, const uint32_t
 {
     struct vkd3d_shader_version version;
     uint32_t version_token, token_count;
-    unsigned int i;

if (byte_code_size / sizeof(*byte_code) < 2)
     {
@@ -2536,23 +2506,6 @@ static bool shader_sm4_init(struct vkd3d_shader_sm4_parser *sm4, const uint32_t
         return false;
     sm4->ptr = sm4->start;

-    memset(sm4->output_map, 0xff, sizeof(sm4->output_map));
-    for (i = 0; i < output_signature->element_count; ++i)
-    {
-        struct signature_element *e = &output_signature->elements[i];
-
-        if (version.type == VKD3D_SHADER_TYPE_PIXEL
-                && ascii_strcasecmp(e->semantic_name, "SV_Target"))
-            continue;
-        if (e->register_index >= ARRAY_SIZE(sm4->output_map))
-        {
-            WARN("Invalid output index %u.\n", e->register_index);
-            continue;
-        }
-
-        sm4->output_map[e->register_index] = e->semantic_index;
-    }
-
     init_sm4_lookup_tables(&sm4->lookup);

return true;

[PATCH 0/1] MR392: vkd3d-shader/tpf: Get rid of the output map. - approved

[Henri Verbeet (＠hverbeet)]

This merge request was approved by Henri Verbeet.