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Diffstat (limited to 'src/mesa/main/enable.c')
-rw-r--r--src/mesa/main/enable.c91
1 files changed, 30 insertions, 61 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 91268b596d2..076d8731f8f 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -49,8 +49,11 @@
}
+/**
+ * Helper to enable/disable client-side state.
+ */
static void
-client_state( GLcontext *ctx, GLenum cap, GLboolean state )
+client_state(GLcontext *ctx, GLenum cap, GLboolean state)
{
GLuint flag;
GLuint *var;
@@ -134,17 +137,14 @@ client_state( GLcontext *ctx, GLenum cap, GLboolean state )
ctx->Array.ArrayObj->_Enabled &= ~flag;
if (ctx->Driver.Enable) {
- (*ctx->Driver.Enable)( ctx, cap, state );
+ ctx->Driver.Enable( ctx, cap, state );
}
}
/**
* Enable GL capability.
- *
- * \param cap capability.
- *
- * \sa glEnable().
+ * \param cap state to enable/disable.
*
* Get's the current context, assures that we're outside glBegin()/glEnd() and
* calls client_state().
@@ -160,10 +160,7 @@ _mesa_EnableClientState( GLenum cap )
/**
* Disable GL capability.
- *
- * \param cap capability.
- *
- * \sa glDisable().
+ * \param cap state to enable/disable.
*
* Get's the current context, assures that we're outside glBegin()/glEnd() and
* calls client_state().
@@ -195,10 +192,10 @@ _mesa_DisableClientState( GLenum cap )
/**
- * Perform glEnable() and glDisable() calls.
+ * Helper function to enable or disable state.
*
* \param ctx GL context.
- * \param cap capability.
+ * \param cap the state to enable/disable
* \param state whether to enable or disable the specified capability.
*
* Updates the current context and flushes the vertices as needed. For
@@ -206,7 +203,8 @@ _mesa_DisableClientState( GLenum cap )
* are effectivly present before updating. Notifies the driver via
* dd_function_table::Enable.
*/
-void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
+void
+_mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
{
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s %s (newstate is %x)\n",
@@ -285,7 +283,6 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.CullFlag = state;
break;
-
case GL_CULL_VERTEX_EXT:
CHECK_EXTENSION(EXT_cull_vertex, cap);
if (ctx->Transform.CullVertexFlag == state)
@@ -293,13 +290,12 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
ctx->Transform.CullVertexFlag = state;
break;
-
case GL_DEPTH_TEST:
if (state && ctx->DrawBuffer->Visual.depthBits == 0) {
_mesa_warning(ctx,"glEnable(GL_DEPTH_TEST) but no depth buffer");
return;
}
- if (ctx->Depth.Test==state)
+ if (ctx->Depth.Test == state)
return;
FLUSH_VERTICES(ctx, _NEW_DEPTH);
ctx->Depth.Test = state;
@@ -308,13 +304,13 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
if (ctx->NoDither) {
state = GL_FALSE; /* MESA_NO_DITHER env var */
}
- if (ctx->Color.DitherFlag==state)
+ if (ctx->Color.DitherFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.DitherFlag = state;
break;
case GL_FOG:
- if (ctx->Fog.Enabled==state)
+ if (ctx->Fog.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_FOG);
ctx->Fog.Enabled = state;
@@ -351,26 +347,18 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
return;
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.Enabled = state;
-
- if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
- ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
- else
- ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
-
break;
case GL_LINE_SMOOTH:
if (ctx->Line.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_LINE);
ctx->Line.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_LINE_SMOOTH;
break;
case GL_LINE_STIPPLE:
if (ctx->Line.StippleFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_LINE);
ctx->Line.StippleFlag = state;
- ctx->_TriangleCaps ^= DD_LINE_STIPPLE;
break;
case GL_INDEX_LOGIC_OP:
if (ctx->Color.IndexLogicOpEnabled == state)
@@ -505,41 +493,38 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
ctx->Transform.Normalize = state;
break;
case GL_POINT_SMOOTH:
- if (ctx->Point.SmoothFlag==state)
+ if (ctx->Point.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_POINT_SMOOTH;
break;
case GL_POLYGON_SMOOTH:
- if (ctx->Polygon.SmoothFlag==state)
+ if (ctx->Polygon.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_TRI_SMOOTH;
break;
case GL_POLYGON_STIPPLE:
- if (ctx->Polygon.StippleFlag==state)
+ if (ctx->Polygon.StippleFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.StippleFlag = state;
- ctx->_TriangleCaps ^= DD_TRI_STIPPLE;
break;
case GL_POLYGON_OFFSET_POINT:
- if (ctx->Polygon.OffsetPoint==state)
+ if (ctx->Polygon.OffsetPoint == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetPoint = state;
break;
case GL_POLYGON_OFFSET_LINE:
- if (ctx->Polygon.OffsetLine==state)
+ if (ctx->Polygon.OffsetLine == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetLine = state;
break;
case GL_POLYGON_OFFSET_FILL:
/*case GL_POLYGON_OFFSET_EXT:*/
- if (ctx->Polygon.OffsetFill==state)
+ if (ctx->Polygon.OffsetFill == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetFill = state;
@@ -551,7 +536,7 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
ctx->Transform.RescaleNormals = state;
break;
case GL_SCISSOR_TEST:
- if (ctx->Scissor.Enabled==state)
+ if (ctx->Scissor.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_SCISSOR);
ctx->Scissor.Enabled = state;
@@ -568,7 +553,7 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
"glEnable(GL_STENCIL_TEST) but no stencil buffer");
return;
}
- if (ctx->Stencil.Enabled==state)
+ if (ctx->Stencil.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_STENCIL);
ctx->Stencil.Enabled = state;
@@ -916,11 +901,6 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
return;
FLUSH_VERTICES(ctx, _NEW_STENCIL);
ctx->Stencil.TestTwoSide = state;
- if (state) {
- ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
- } else {
- ctx->_TriangleCaps &= ~DD_TRI_TWOSTENCIL;
- }
break;
#if FEATURE_ARB_fragment_program
@@ -973,20 +953,14 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
}
if (ctx->Driver.Enable) {
- (*ctx->Driver.Enable)( ctx, cap, state );
+ ctx->Driver.Enable( ctx, cap, state );
}
}
/**
- * Enable GL capability.
- *
- * \param cap capability.
- *
- * \sa glEnable().
- *
- * Get's the current context, assures that we're outside glBegin()/glEnd() and
- * calls _mesa_set_enable().
+ * Enable GL capability. Called by glEnable()
+ * \param cap state to enable.
*/
void GLAPIENTRY
_mesa_Enable( GLenum cap )
@@ -999,14 +973,8 @@ _mesa_Enable( GLenum cap )
/**
- * Disable GL capability.
- *
- * \param cap capability.
- *
- * \sa glDisable().
- *
- * Get's the current context, assures that we're outside glBegin()/glEnd() and
- * calls _mesa_set_enable().
+ * Disable GL capability. Called by glDisable()
+ * \param cap state to disable.
*/
void GLAPIENTRY
_mesa_Disable( GLenum cap )
@@ -1032,10 +1000,11 @@ _mesa_Disable( GLenum cap )
return GL_FALSE; \
}
+
/**
- * Test whether a capability is enabled.
+ * Return simple enable/disable state.
*
- * \param cap capability.
+ * \param cap state variable to query.
*
* Returns the state of the specified capability from the current GL context.
* For the capabilities associated with extensions verifies that those