summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/light.c11
-rw-r--r--src/mesa/tnl/t_vb_light.c10
2 files changed, 12 insertions, 9 deletions
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index ad9cef1dc4c..87a06db309d 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -706,13 +706,14 @@ _mesa_update_material( struct gl_context *ctx, GLuint bitmask )
void
_mesa_update_color_material( struct gl_context *ctx, const GLfloat color[4] )
{
- const GLbitfield bitmask = ctx->Light._ColorMaterialBitmask;
+ GLbitfield bitmask = ctx->Light._ColorMaterialBitmask;
struct gl_material *mat = &ctx->Light.Material;
- int i;
- for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
- if (bitmask & (1<<i))
- COPY_4FV( mat->Attrib[i], color );
+ while (bitmask) {
+ const int i = u_bit_scan(&bitmask);
+
+ COPY_4FV( mat->Attrib[i], color );
+ }
_mesa_update_material( ctx, bitmask );
}
diff --git a/src/mesa/tnl/t_vb_light.c b/src/mesa/tnl/t_vb_light.c
index 4342b6ed465..8d13712e218 100644
--- a/src/mesa/tnl/t_vb_light.c
+++ b/src/mesa/tnl/t_vb_light.c
@@ -233,10 +233,12 @@ prepare_materials(struct gl_context *ctx,
* with the color pointer for each one.
*/
if (ctx->Light.ColorMaterialEnabled) {
- const GLuint bitmask = ctx->Light._ColorMaterialBitmask;
- for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
- if (bitmask & (1<<i))
- VB->AttribPtr[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] = VB->AttribPtr[_TNL_ATTRIB_COLOR0];
+ GLbitfield bitmask = ctx->Light._ColorMaterialBitmask;
+ while (bitmask) {
+ const int i = u_bit_scan(&bitmask);
+ VB->AttribPtr[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] =
+ VB->AttribPtr[_TNL_ATTRIB_COLOR0];
+ }
}
/* Now, for each material attribute that's tracking vertex color, save