Józef Kucia : wined3d: Use correct initial color for FFP texture blending in ARB program shader backend.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c251d0217102b6c8c987f87795d1c1ef7bbb8b5f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c251d0217102b6c8c987f87795...

Author: Józef Kucia 
Date:   Wed Dec  9 14:48:02 2015 +0100

wined3d: Use correct initial color for FFP texture blending in ARB program shader backend.

Signed-off-by: Józef Kucia 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

dlls/wined3d/arb_program_shader.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 2af9845..be3d727 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -6082,8 +6082,7 @@ static const char *get_argreg(struct wined3d_string_buffer *buffer, DWORD argnum
             ret = "fragment.color.primary"; break;

case WINED3DTA_CURRENT:
-            if (!stage) ret = "fragment.color.primary";
-            else ret = "ret";
+            ret = "ret";
             break;

case WINED3DTA_TEXTURE:
@@ -6163,8 +6162,6 @@ static void gen_ffp_instr(struct wined3d_string_buffer *buffer, unsigned int sta
     switch (op)
     {
         case WINED3D_TOP_DISABLE:
-            if (!stage)
-                shader_addline(buffer, "MOV %s%s, fragment.color.primary;\n", dstreg, dstmask);
             break;

case WINED3D_TOP_SELECT_ARG2:
@@ -6309,7 +6306,6 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con
     DWORD arg0, arg1, arg2;
     BOOL tempreg_used = FALSE, tfactor_used = FALSE;
     BOOL op_equal;
-    const char *final_combiner_src = "ret";
     BOOL custom_linear_fog = FALSE;
     struct color_fixup_masks masks;

@@ -6440,7 +6436,7 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con
     if (tempreg_used || settings->sRGB_write)
         shader_addline(&buffer, "MOV tempreg, 0.0;\n");

-    /* Generate texture sampling instructions) */
+    /* Generate texture sampling instructions */
     for (stage = 0; stage < MAX_TEXTURES && settings->op[stage].cop != WINED3D_TOP_DISABLE; ++stage)
     {
         if (!tex_read[stage])
@@ -6516,15 +6512,13 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con
         shader_addline(&buffer, "KIL -TMP;\n"); /* discard if true */
     }

+    shader_addline(&buffer, "MOV ret, fragment.color.primary;\n");
+
     /* Generate the main shader */
     for (stage = 0; stage < MAX_TEXTURES; ++stage)
     {
         if (settings->op[stage].cop == WINED3D_TOP_DISABLE)
-        {
-            if (!stage)
-                final_combiner_src = "fragment.color.primary";
             break;
-        }

if (settings->op[stage].cop == WINED3D_TOP_SELECT_ARG1
                 && settings->op[stage].aop == WINED3D_TOP_SELECT_ARG1)
@@ -6549,8 +6543,6 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con
             gen_ffp_instr(&buffer, stage, TRUE, FALSE, settings->op[stage].dst,
                           settings->op[stage].cop, settings->op[stage].carg0,
                           settings->op[stage].carg1, settings->op[stage].carg2);
-            if (!stage)
-                shader_addline(&buffer, "MOV ret.w, fragment.color.primary.w;\n");
         }
         else if (op_equal)
         {
@@ -6569,7 +6561,7 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con

if (settings->sRGB_write || custom_linear_fog)
     {
-        shader_addline(&buffer, "MAD ret, fragment.color.secondary, specular_enable, %s;\n", final_combiner_src);
+        shader_addline(&buffer, "MAD ret, fragment.color.secondary, specular_enable, ret;\n");
         if (settings->sRGB_write)
             arbfp_add_sRGB_correction(&buffer, "ret", "arg0", "arg1", "arg2", "tempreg", FALSE);
         if (custom_linear_fog)
@@ -6578,8 +6570,7 @@ static GLuint gen_arbfp_ffp_shader(const struct ffp_frag_settings *settings, con
     }
     else
     {
-        shader_addline(&buffer, "MAD result.color, fragment.color.secondary, specular_enable, %s;\n",
-                final_combiner_src);
+        shader_addline(&buffer, "MAD result.color, fragment.color.secondary, specular_enable, ret;\n");
     }

/* Footer */