[PATCH 6/6] wined3d: Match position output register by sysval semantic value.

[Józef Kucia]

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
In SM4+ shaders sysval semantic names can be written with arbitrary choice of letter case.
---
 dlls/wined3d/glsl_shader.c |  4 ++--
 dlls/wined3d/shader.c      | 24 ++++++++++++++++++------
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index c345d67..8c22468 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -5053,7 +5053,7 @@ static void shader_glsl_input_pack(const struct wined3d_shader *shader, struct w
 
         if (args->vp_mode == vertexshader)
         {
-            if (input->sysval_semantic == WINED3D_SV_POSITION)
+            if (input->sysval_semantic == WINED3D_SV_POSITION && !semantic_idx)
                 shader_addline(buffer, "ps_in[%u]%s = vpos%s;\n",
                         shader->u.ps.input_reg_map[input->register_idx], reg_mask, reg_mask);
             else if (args->pointsprite && shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_TEXCOORD))
@@ -5392,7 +5392,7 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
             semantic_idx = output->semantic_idx;
             shader_glsl_write_mask_to_str(output->mask, reg_mask);
 
-            if (shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_POSITION) && !semantic_idx)
+            if (output->sysval_semantic == WINED3D_SV_POSITION && !semantic_idx)
             {
                 shader_addline(buffer, "gl_Position%s = vs_out[%u]%s;\n",
                         reg_mask, output->register_idx, reg_mask);
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 01c5d50..bcaee1c 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -256,7 +256,7 @@ static void shader_dump_src_param(struct wined3d_string_buffer *buffer,
 
 const char *debug_d3dshaderinstructionhandler(enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx)
 {
-    if (handler_idx >= sizeof(shader_opcode_names) / sizeof(*shader_opcode_names))
+    if (handler_idx >= ARRAY_SIZE(shader_opcode_names))
         return wine_dbg_sprintf("UNRECOGNIZED(%#x)", handler_idx);
 
     return shader_opcode_names[handler_idx];
@@ -264,7 +264,7 @@ const char *debug_d3dshaderinstructionhandler(enum WINED3D_SHADER_INSTRUCTION_HA
 
 static const char *shader_semantic_name_from_usage(enum wined3d_decl_usage usage)
 {
-    if (usage >= sizeof(semantic_names) / sizeof(*semantic_names))
+    if (usage >= ARRAY_SIZE(semantic_names))
     {
         FIXME("Unrecognized usage %#x.\n", usage);
         return "UNRECOGNIZED";
@@ -277,14 +277,26 @@ static enum wined3d_decl_usage shader_usage_from_semantic_name(const char *name)
 {
     unsigned int i;
 
-    for (i = 0; i < sizeof(semantic_names) / sizeof(*semantic_names); ++i)
+    for (i = 0; i < ARRAY_SIZE(semantic_names); ++i)
     {
-        if (!strcmp(name, semantic_names[i])) return i;
+        if (!strcmp(name, semantic_names[i]))
+            return i;
     }
 
     return ~0U;
 }
 
+static enum wined3d_sysval_semantic shader_sysval_semantic_from_usage(enum wined3d_decl_usage usage)
+{
+    switch (usage)
+    {
+        case WINED3D_DECL_USAGE_POSITION:
+            return WINED3D_SV_POSITION;
+        default:
+            return 0;
+    }
+}
+
 BOOL shader_match_semantic(const char *semantic_name, enum wined3d_decl_usage usage)
 {
     return !strcmp(semantic_name, shader_semantic_name_from_usage(usage));
@@ -295,7 +307,7 @@ static void shader_signature_from_semantic(struct wined3d_shader_signature_eleme
 {
     e->semantic_name = shader_semantic_name_from_usage(s->usage);
     e->semantic_idx = s->usage_idx;
-    e->sysval_semantic = 0;
+    e->sysval_semantic = shader_sysval_semantic_from_usage(s->usage);
     e->component_type = 0;
     e->register_idx = s->reg.reg.idx[0].offset;
     e->mask = s->reg.write_mask;
@@ -306,7 +318,7 @@ static void shader_signature_from_usage(struct wined3d_shader_signature_element
 {
     e->semantic_name = shader_semantic_name_from_usage(usage);
     e->semantic_idx = usage_idx;
-    e->sysval_semantic = 0;
+    e->sysval_semantic = shader_sysval_semantic_from_usage(usage);
     e->component_type = 0;
     e->register_idx = reg_idx;
     e->mask = write_mask;
-- 
2.7.3