Fix alpha value of STATE_LIGHTMODEL_SCENECOLOR. From the spec:

 The "w" component of the program parameter variable is filled with
 the alpha component of the front diffuse material color.

Make sure matrix inverses are uptodate also.

diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 2d39821..e406e10 100644 (file)
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -648,20 +648,22 @@ _mesa_fetch_state(GLcontext *ctx, const enum state_index state[],
       if (state[1] == 0) {
          /* front */
          GLint i;
-         for (i = 0; i < 4; i++) {
+         for (i = 0; i < 3; i++) {
             value[i] = ctx->Light.Model.Ambient[i]
                * ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT][i]
                + ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_EMISSION][i];
          }
+        value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
       }
       else {
          /* back */
          GLint i;
-         for (i = 0; i < 4; i++) {
+         for (i = 0; i < 3; i++) {
             value[i] = ctx->Light.Model.Ambient[i]
                * ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_AMBIENT][i]
                + ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_EMISSION][i];
          }
+        value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
       }
       return;
    case STATE_LIGHTPROD:
@@ -806,7 +808,9 @@ _mesa_fetch_state(GLcontext *ctx, const enum state_index state[],
          }
          if (modifier == STATE_MATRIX_INVERSE ||
              modifier == STATE_MATRIX_INVTRANS) {
-            /* XXX be sure inverse is up to date */
+            /* Be sure inverse is up to date:
+            */
+           _math_matrix_analyse( matrix );
             m = matrix->inv;
          }
          else {