Stefan Dösinger : wined3d: Make the MAC ARBvp implementation happy about ARL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5a6b4e9f476237dc8b69cb84156f3a9dc2d69d8a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5a6b4e9f476237dc8b69cb84156f3a9dc2d69d8a

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Thu Jul 17 15:58:23 2008 -0500

wined3d: Make the MAC ARBvp implementation happy about ARL.

---

 dlls/wined3d/arb_program_shader.c |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 22a8b55..2de05bf 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -1718,15 +1718,30 @@ void vshader_hw_map2gl(SHADER_OPCODE_ARG* arg) {
     unsigned int i;
 
     if ((curOpcode->opcode == WINED3DSIO_MOV && dst_regtype == WINED3DSPR_ADDR) || curOpcode->opcode == WINED3DSIO_MOVA) {
+        memset(tmpLine, 0, sizeof(tmpLine));
         if(shader->rel_offset) {
-            memset(tmpLine, 0, sizeof(tmpLine));
             vshader_program_add_param(arg, src[0], TRUE, tmpLine);
             shader_addline(buffer, "ADD TMP.x, %s, helper_const.z;\n", tmpLine);
             shader_addline(buffer, "ARL A0.x, TMP.x;\n");
-            return;
         } else {
-            strcpy(tmpLine, "ARL");
+            /* Apple's ARB_vertex_program implementation does not accept an ARL source argument
+             * with more than one component. Thus replicate the first source argument over all
+             * 4 components. For example, .xyzw -> .x (or better: .xxxx), .zwxy -> .z, etc)
+             */
+            DWORD parm = src[0] & ~(WINED3DVS_SWIZZLE_MASK);
+                   if((src[0] & WINED3DVS_X_W) == WINED3DVS_X_W) {
+                parm |= WINED3DVS_X_W | WINED3DVS_Y_W | WINED3DVS_Z_W | WINED3DVS_W_W;
+            } else if((src[0] & WINED3DVS_X_Z) == WINED3DVS_X_Z) {
+                parm |= WINED3DVS_X_Z | WINED3DVS_Y_Z | WINED3DVS_Z_Z | WINED3DVS_W_Z;
+            } else if((src[0] & WINED3DVS_X_Y) == WINED3DVS_X_Y) {
+                parm |= WINED3DVS_X_Y | WINED3DVS_Y_Y | WINED3DVS_Z_Y | WINED3DVS_W_Y;
+            } else if((src[0] & WINED3DVS_X_X) == WINED3DVS_X_X) {
+                parm |= WINED3DVS_X_X | WINED3DVS_Y_X | WINED3DVS_Z_X | WINED3DVS_W_X;
+            }
+            vshader_program_add_param(arg, parm, TRUE, tmpLine);
+            shader_addline(buffer, "ARL A0.x, %s;\n", tmpLine);
         }
+        return;
     } else
         strcpy(tmpLine, curOpcode->glname);