Merge commit 'origin/master' into gallium-0.2

[mesa.git] / src / mesa / main / light.c

diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 6e057614badf559fabfd253068cc0aa158a35ad7..d4db960f1b9a500e2c672a7c6da32f386760f13d 100644 (file)
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -53,6 +53,11 @@ _mesa_ShadeModel( GLenum mode )
 
    FLUSH_VERTICES(ctx, _NEW_LIGHT);
    ctx->Light.ShadeModel = mode;
+   if (mode == GL_FLAT)
+      ctx->_TriangleCaps |= DD_FLATSHADE;
+   else
+      ctx->_TriangleCaps &= ~DD_FLATSHADE;
+
    if (ctx->Driver.ShadeModel)
       ctx->Driver.ShadeModel( ctx, mode );
 }
@@ -179,6 +184,7 @@ _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params )
    GET_CURRENT_CONTEXT(ctx);
    GLint i = (GLint) (light - GL_LIGHT0);
    GLfloat temp[4];
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    if (i < 0 || i >= (GLint) ctx->Const.MaxLights) {
       _mesa_error( ctx, GL_INVALID_ENUM, "glLight(light=0x%x)", light );
@@ -441,6 +447,10 @@ _mesa_LightModelfv( GLenum pname, const GLfloat *params )
            return;
         FLUSH_VERTICES(ctx, _NEW_LIGHT);
         ctx->Light.Model.TwoSide = newbool;
+         if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+            ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+         else
+            ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
          break;
       case GL_LIGHT_MODEL_COLOR_CONTROL:
          if (params[0] == (GLfloat) GL_SINGLE_COLOR)
@@ -1119,7 +1129,7 @@ compute_light_positions( GLcontext *ctx )
       }
       else {
          /* positional light w/ homogeneous coordinate, divide by W */
-         GLfloat wInv = 1.0 / light->_Position[3];
+         GLfloat wInv = (GLfloat)1.0 / light->_Position[3];
          light->_Position[0] *= wInv;
          light->_Position[1] *= wInv;
          light->_Position[2] *= wInv;
@@ -1357,6 +1367,7 @@ _mesa_init_lighting( GLcontext *ctx )
    /* Miscellaneous */
    ctx->Light._NeedEyeCoords = GL_FALSE;
    ctx->_NeedEyeCoords = GL_FALSE;
+   ctx->_ForceEyeCoords = GL_FALSE;
    ctx->_ModelViewInvScale = 1.0;
 }