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-rw-r--r--src/mesa/main/enable.c2
-rw-r--r--src/mesa/main/light.c1
-rw-r--r--src/mesa/main/mtypes.h2
3 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 1d674bf39f6..bc59280f090 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -402,10 +402,12 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.Light[cap-GL_LIGHT0].Enabled = state;
if (state) {
+ ctx->Light._EnabledLights |= 1u << (cap - GL_LIGHT0);
insert_at_tail(&ctx->Light.EnabledList,
&ctx->Light.Light[cap-GL_LIGHT0]);
}
else {
+ ctx->Light._EnabledLights &= ~(1u << (cap - GL_LIGHT0));
remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]);
}
break;
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 4a8dee3f649..a52efdbdf87 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -1171,6 +1171,7 @@ _mesa_init_lighting( struct gl_context *ctx )
GLuint i;
/* Lighting group */
+ ctx->Light._EnabledLights = 0;
for (i = 0; i < MAX_LIGHTS; i++) {
init_light( &ctx->Light.Light[i], i );
}
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index b86a0eead0f..bea589fabbb 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -630,6 +630,8 @@ struct gl_light_attrib
* Derived state for optimizations:
*/
/*@{*/
+ GLbitfield _EnabledLights; /**< bitmask containing enabled lights */
+
GLboolean _NeedEyeCoords;
GLboolean _NeedVertices; /**< Use fast shader? */
struct gl_light EnabledList; /**< List sentinel */