fix GL_REFLECTION_MAP texgen by not using tex matrix negation when lighting is not...

diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index 452d354..658ce63 100644 (file)
--- a/src/mesa/drivers/dri/r200/r200_state.c
+++ b/src/mesa/drivers/dri/r200/r200_state.c
@@ -1970,6 +1970,8 @@ static void r200Enable( GLcontext *ctx, GLenum cap, GLboolean state )
 
    case GL_LIGHTING:
       r200UpdateSpecular(ctx);
+      /* for reflection map fixup - might set recheck_texgen for all units too */
+      rmesa->NewGLState |= _NEW_TEXTURE;
       break;
 
    case GL_LINE_SMOOTH:

diff --git a/src/mesa/drivers/dri/r200/r200_texstate.c b/src/mesa/drivers/dri/r200/r200_texstate.c
index acc980c..9c8997a 100644 (file)
--- a/src/mesa/drivers/dri/r200/r200_texstate.c
+++ b/src/mesa/drivers/dri/r200/r200_texstate.c
@@ -1304,11 +1304,13 @@ static GLboolean r200_validate_texgen( GLcontext *ctx, GLuint unit )
    case GL_REFLECTION_MAP_NV:
       rmesa->TexGenNeedNormals[unit] = GL_TRUE;
       tgi |= R200_TEXGEN_INPUT_EYE_REFLECT<<inputshift;
-      set_texgen_matrix( rmesa, unit, 
-        (texUnit->TexGenEnabled & S_BIT) ? reflect : I,
-        (texUnit->TexGenEnabled & T_BIT) ? reflect + 4 : I + 4,
-        (texUnit->TexGenEnabled & R_BIT) ? reflect + 8 : I + 8,
-        I + 12);
+      /* pretty weird, must only negate when lighting is enabled? */
+      if (ctx->Light.Enabled)
+        set_texgen_matrix( rmesa, unit, 
+           (texUnit->TexGenEnabled & S_BIT) ? reflect : I,
+           (texUnit->TexGenEnabled & T_BIT) ? reflect + 4 : I + 4,
+           (texUnit->TexGenEnabled & R_BIT) ? reflect + 8 : I + 8,
+           I + 12);
       break;
 
    case GL_NORMAL_MAP_NV: