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authorBrian <brian@yutani.localnet.net>2006-12-13 15:31:14 -0700
committerBrian <brian@yutani.localnet.net>2006-12-13 15:31:14 -0700
commit8dcfcad7a2598ba835930aac8f3fd6576e464c1c (patch)
tree980a80caa5c4c2666b106285d72bcff009adde25 /src/mesa/main/state.c
parent6c305c083113075a1f11d5081b8c9dd1b98a7b1e (diff)
Move all the code for computing ctx->_TriangleCaps into state.c.
ctx->_TriangleCaps should probably go away altogether someday...
Diffstat (limited to 'src/mesa/main/state.c')
-rw-r--r--src/mesa/main/state.c104
1 files changed, 83 insertions, 21 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index e62fbe47d1..4184aeb9d9 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -821,16 +821,6 @@ _mesa_init_exec_table(struct _glapi_table *exec)
/*@{*/
-static void
-update_separate_specular( GLcontext *ctx )
-{
- if (NEED_SECONDARY_COLOR(ctx))
- ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
- else
- ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
-}
-
-
/**
* Update state dependent on vertex arrays.
*/
@@ -1014,16 +1004,88 @@ update_color(GLcontext *ctx)
/**
- * If __GLcontextRec::NewState is non-zero then this function \b must be called
- * before rendering any primitive. Basically, function pointers and
- * miscellaneous flags are updated to reflect the current state of the state
- * machine.
+ * Update the ctx->_TriangleCaps bitfield.
+ * XXX that bitfield should really go away someday!
+ * This function must be called after other update_*() functions since
+ * there are dependencies on some other derived values.
+ */
+static void
+update_tricaps(GLcontext *ctx, GLbitfield new_state)
+{
+ ctx->_TriangleCaps = 0;
+
+ /*
+ * Points
+ */
+ if (new_state & _NEW_POINT) {
+ if (ctx->Point.SmoothFlag)
+ ctx->_TriangleCaps |= DD_POINT_SMOOTH;
+ if (ctx->Point._Size != 1.0F)
+ ctx->_TriangleCaps |= DD_POINT_SIZE;
+ if (ctx->Point._Attenuated)
+ ctx->_TriangleCaps |= DD_POINT_ATTEN;
+ }
+
+ /*
+ * Lines
+ */
+ if (new_state & _NEW_LINE) {
+ if (ctx->Line.SmoothFlag)
+ ctx->_TriangleCaps |= DD_LINE_SMOOTH;
+ if (ctx->Line.StippleFlag)
+ ctx->_TriangleCaps |= DD_LINE_STIPPLE;
+ if (ctx->Line._Width != 1.0)
+ ctx->_TriangleCaps |= DD_LINE_WIDTH;
+ }
+
+ /*
+ * Polygons
+ */
+ if (new_state & _NEW_POLYGON) {
+ if (ctx->Polygon.SmoothFlag)
+ ctx->_TriangleCaps |= DD_TRI_SMOOTH;
+ if (ctx->Polygon.StippleFlag)
+ ctx->_TriangleCaps |= DD_TRI_STIPPLE;
+ if (ctx->Polygon.FrontMode != GL_FILL
+ || ctx->Polygon.BackMode != GL_FILL)
+ ctx->_TriangleCaps |= DD_TRI_UNFILLED;
+ if (ctx->Polygon.CullFlag
+ && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
+ ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
+ if (ctx->Polygon.OffsetPoint ||
+ ctx->Polygon.OffsetLine ||
+ ctx->Polygon.OffsetFill)
+ ctx->_TriangleCaps |= DD_TRI_OFFSET;
+ }
+
+ /*
+ * Lighting and shading
+ */
+ if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+ ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+ if (ctx->Light.ShadeModel == GL_FLAT)
+ ctx->_TriangleCaps |= DD_FLATSHADE;
+ if (NEED_SECONDARY_COLOR(ctx))
+ ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
+
+ /*
+ * Stencil
+ */
+ if (ctx->Stencil._TestTwoSide)
+ ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
+}
+
+
+/**
+ * Compute derived GL state.
+ * If __GLcontextRec::NewState is non-zero then this function \b must
+ * be called before rendering anything.
*
* Calls dd_function_table::UpdateState to perform any internal state
* management necessary.
*
* \sa _mesa_update_modelview_project(), _mesa_update_texture(),
- * _mesa_update_buffer_bounds(), _mesa_update_polygon(),
+ * _mesa_update_buffer_bounds(),
* _mesa_update_lighting() and _mesa_update_tnl_spaces().
*/
void
@@ -1052,9 +1114,6 @@ _mesa_update_state_locked( GLcontext *ctx )
if (new_state & _NEW_POINT)
_mesa_update_point( ctx );
- if (new_state & _NEW_POLYGON)
- _mesa_update_polygon( ctx );
-
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
@@ -1064,9 +1123,6 @@ _mesa_update_state_locked( GLcontext *ctx )
if (new_state & _IMAGE_NEW_TRANSFER_STATE)
_mesa_update_pixel( ctx, new_state );
- if (new_state & _DD_NEW_SEPARATE_SPECULAR)
- update_separate_specular( ctx );
-
if (new_state & (_NEW_ARRAY | _NEW_PROGRAM))
update_arrays( ctx );
@@ -1076,6 +1132,10 @@ _mesa_update_state_locked( GLcontext *ctx )
if (new_state & _NEW_COLOR)
update_color( ctx );
+ if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
+ | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
+ update_tricaps( ctx, new_state );
+
if (ctx->_MaintainTexEnvProgram) {
if (new_state & (_NEW_TEXTURE | _DD_NEW_SEPARATE_SPECULAR | _NEW_FOG))
_mesa_UpdateTexEnvProgram(ctx);
@@ -1122,3 +1182,5 @@ _mesa_update_state( GLcontext *ctx )
/*@}*/
+
+