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
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -648,20 +648,22 @@
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 @@
}
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 {