diff options
Diffstat (limited to 'src/mesa/main/state.c')
| -rw-r--r-- | src/mesa/main/state.c | 72 |
1 files changed, 27 insertions, 45 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index e5ca69ea614..43e4872d66f 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -1,4 +1,4 @@ -/* $Id: state.c,v 1.52 2000/12/16 00:19:12 brianp Exp $ */ +/* $Id: state.c,v 1.53 2000/12/26 05:09:29 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -26,8 +26,7 @@ /* - * This file initializes the immediate-mode dispatch table (which may - * be state-dependant) and manages internal Mesa state update. + * This file manages internal Mesa state update. */ @@ -80,13 +79,11 @@ #include "varray.h" #include "winpos.h" -#include "swrast/swrast.h" #include "math/m_matrix.h" #include "math/m_xform.h" #endif - static int generic_noop(void) { @@ -112,6 +109,7 @@ _mesa_init_no_op_table(struct _glapi_table *table, GLuint tableSize) } + /* * Initialize the given dispatch table with pointers to Mesa's * immediate-mode commands. @@ -501,27 +499,10 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize) static void update_polygon( GLcontext *ctx ) { - ctx->_TriangleCaps &= ~DD_TRI_CULL_FRONT_BACK; - - /* Setup CullBits bitmask */ - if (ctx->Polygon.CullFlag) { - switch(ctx->Polygon.CullFaceMode) { - case GL_BACK: - ctx->Polygon._CullBits = 1; - break; - case GL_FRONT: - ctx->Polygon._CullBits = 2; - break; - default: - case GL_FRONT_AND_BACK: - ctx->Polygon._CullBits = 0; - ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK; - break; - } - } - else { - ctx->Polygon._CullBits = 3; - } + ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET); + +/* if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) */ +/* ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK; */ /* Any Polygon offsets enabled? */ ctx->Polygon._OffsetAny = GL_FALSE; @@ -587,8 +568,8 @@ update_tnl_spaces( GLcontext *ctx, GLuint oldneedeyecoords ) else { GLuint new_state = ctx->NewState; - /* Recalculate that same state if and only if it has been - * invalidated by other statechanges. + /* Recalculate that same state only if it has been invalidated + * by other statechanges. */ if (new_state & _NEW_MODELVIEW) update_modelview_scale(ctx); @@ -652,7 +633,6 @@ update_projection( GLcontext *ctx ) } - /* * Return a bitmask of IMAGE_*_BIT flags which to indicate which * pixel transfer operations are enabled. @@ -725,13 +705,17 @@ update_image_transfer_state(GLcontext *ctx) * rendering any primitive. Basically, function pointers and miscellaneous * flags are updated to reflect the current state of the state machine. * - * Special care is taken with the derived value _NeedEyeCoords. These + * The above constraint is now maintained largely by the two Exec + * dispatch tables, which trigger the appropriate flush on transition + * between State and Geometry modes. + * + * Special care is taken with the derived value _NeedEyeCoords. This * is a bitflag which is updated with information from a number of * attribute groups (MODELVIEW, LIGHT, TEXTURE). A lot of derived * state references this value, and must be treated with care to * ensure that updates are done correctly. All state dependent on * _NeedEyeCoords is calculated from within _mesa_update_tnl_spaces(), - * and from nowhere else. + * and from nowhere else. */ void gl_update_state( GLcontext *ctx ) { @@ -755,7 +739,7 @@ void gl_update_state( GLcontext *ctx ) /* References ColorMatrix.type (derived above). */ - if (new_state & (_NEW_PIXEL|_NEW_COLOR_MATRIX)) + if (new_state & _IMAGE_NEW_TRANSFER_STATE) update_image_transfer_state(ctx); /* Contributes to NeedEyeCoords, NeedNormals. @@ -784,27 +768,20 @@ void gl_update_state( GLcontext *ctx ) ctx->_NeedEyeCoords |= NEED_EYE_LIGHT_MODELVIEW; } - /* point attenuation requires eye coords */ - if (new_state & _NEW_POINT) { - if (ctx->Point._Attenuated) { - ctx->_NeedEyeCoords |= NEED_EYE_POINT_ATTEN; - } - } - /* ctx->_NeedEyeCoords and ctx->_NeedEyeNormals are now uptodate. + /* ctx->_NeedEyeCoords is now uptodate. * - * If the truth value of either has changed, update for the new - * lighting space and recompute the positions of lights and the + * If the truth value of this variable has changed, update for the + * new lighting space and recompute the positions of lights and the * normal transform. * * If the lighting space hasn't changed, may still need to recompute - * light positions & normal transforms for other reasons. + * light positions & normal transforms for other reasons. */ if (new_state & (_NEW_MODELVIEW | _NEW_PROJECTION | - _TNL_NEW_NORMAL_TRANSFORM | _NEW_LIGHT | - _TNL_NEW_NEED_EYE_COORDS)) + _MESA_NEW_NEED_EYE_COORDS)) update_tnl_spaces( ctx, oldneedeyecoords ); /* @@ -812,7 +789,12 @@ void gl_update_state( GLcontext *ctx ) * to it's specific, private functions, and performs any * internal state management necessary, including invalidating * state of active modules. + * + * Set ctx->NewState to zero to avoid recursion if + * Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?) */ - ctx->Driver.UpdateState(ctx); ctx->NewState = 0; + ctx->Driver.UpdateState(ctx, new_state); + + ctx->Array.NewState = 0; } |