New vbo_set_draw_func() to keep vbo context opaque to state tracker and tnl module.
[mesa.git] / src / mesa / tnl / t_context.c
index bea2e3765088617306142b2aac7c92b8cf7dc654..0ace5c2d6f182f9994cf2189d2c10b48cafc1b4f 100644 (file)
@@ -1,10 +1,8 @@
-/* $Id: t_context.c,v 1.16 2001/03/19 02:25:36 keithw Exp $ */
-
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  6.5.2
  *
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors:
- *    Keith Whitwell <keithw@valinux.com>
+ *    Keith Whitwell <keith@tungstengraphics.com>
  */
 
 
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "mem.h"
-#include "dlist.h"
-#include "vtxfmt.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "main/light.h"
 
+#include "tnl.h"
 #include "t_context.h"
-#include "t_array_api.h"
-#include "t_eval_api.h"
-#include "t_imm_alloc.h"
-#include "t_imm_api.h"
-#include "t_imm_exec.h"
-#include "t_imm_dlist.h"
 #include "t_pipeline.h"
-#include "tnl.h"
-
-#ifndef THREADS
-struct immediate *_tnl_CurrentInput = NULL;
-#endif
-
-
-void
-_tnl_MakeCurrent( GLcontext *ctx,
-                 GLframebuffer *drawBuffer,
-                 GLframebuffer *readBuffer )
-{
-#ifndef THREADS
-   SET_IMMEDIATE( ctx, TNL_CURRENT_IM(ctx) );
-#endif
-}
-
-
-static void
-install_driver_callbacks( GLcontext *ctx )
-{
-   ctx->Driver.NewList = _tnl_NewList;
-   ctx->Driver.EndList = _tnl_EndList;
-   ctx->Driver.FlushVertices = _tnl_flush_vertices;
-   ctx->Driver.MakeCurrent = _tnl_MakeCurrent;
-   ctx->Driver.BeginCallList = _tnl_BeginCallList;
-   ctx->Driver.EndCallList = _tnl_EndCallList;
-}
-
+#include "t_vp_build.h"
 
+#include "vbo/vbo.h"
 
 GLboolean
 _tnl_CreateContext( GLcontext *ctx )
@@ -89,40 +55,32 @@ _tnl_CreateContext( GLcontext *ctx )
 
    /* Initialize the VB.
     */
-   tnl->vb.Size = MAX2( IMM_SIZE,
-                       ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES);
+   tnl->vb.Size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
 
 
-   /* Initialize tnl state and tnl->vtxfmt.
+   /* Initialize tnl state.
     */
-   _tnl_dlist_init( ctx );
-   _tnl_array_init( ctx );
-   _tnl_imm_init( ctx );
-   _tnl_eval_init( ctx );
-   _tnl_install_pipeline( ctx, _tnl_default_pipeline );
-
-
-   tnl->NeedProjCoords = GL_TRUE;
+   if (ctx->VertexProgram._MaintainTnlProgram) {
+      _tnl_install_pipeline( ctx, _tnl_vp_pipeline );
+   } else {
+      _tnl_install_pipeline( ctx, _tnl_default_pipeline );
+   }
 
-   /* Hook our functions into exec and compile dispatch tables.
-    */
-   _mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
-   _mesa_install_save_vtxfmt( ctx, &tnl->vtxfmt );
-   ctx->Save->CallList = _mesa_save_CallList;  
-   ctx->Save->CallLists = _mesa_save_CallLists;
-   ctx->Save->EvalMesh1 = _mesa_save_EvalMesh1;        
-   ctx->Save->EvalMesh2 = _mesa_save_EvalMesh2;
-   ctx->Save->Begin = _tnl_save_Begin;
+   tnl->NeedNdcCoords = GL_TRUE;
+   tnl->AllowVertexFog = GL_TRUE;
+   tnl->AllowPixelFog = GL_TRUE;
 
    /* Set a few default values in the driver struct.
     */
-   install_driver_callbacks(ctx);
-   ctx->Driver.NeedFlush = FLUSH_UPDATE_CURRENT;
-   ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
-   ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
+   tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+   tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+   tnl->Driver.NotifyMaterialChange = _mesa_validate_all_lighting_tables;
+
+   tnl->nr_blocks = 0;
+
+   /* plug in the VBO drawing function */
+   vbo_set_draw_func(ctx, _tnl_draw_prims);
 
-   tnl->Driver.RenderTabElts = _tnl_render_tab_elts;
-   tnl->Driver.RenderTabVerts = _tnl_render_tab_verts;
    return GL_TRUE;
 }
 
@@ -132,14 +90,10 @@ _tnl_DestroyContext( GLcontext *ctx )
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
 
-/*     _tnl_dlist_destroy( ctx ); */
-   _tnl_array_destroy( ctx );
-   _tnl_imm_destroy( ctx );
-/*     _tnl_eval_destroy( ctx ); */
    _tnl_destroy_pipeline( ctx );
 
    FREE(tnl);
-   ctx->swtnl_context = 0;
+   ctx->swtnl_context = NULL;
 }
 
 
@@ -147,67 +101,117 @@ void
 _tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
+   const struct gl_vertex_program *vp = ctx->VertexProgram._Current;
+   const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
 
-   if (new_state & _NEW_ARRAY) {
-      struct immediate *IM = TNL_CURRENT_IM(ctx);
-      IM->ArrayEltFlags = ~ctx->Array._Enabled;
-      IM->ArrayEltFlush = !ctx->Array.LockCount;
-      IM->ArrayEltIncr = ctx->Array.Vertex.Enabled ? 1 : 0;
-      tnl->pipeline.run_input_changes |= ctx->Array.NewState; /* overkill */
+   if (new_state & (_NEW_HINT)) {
+      ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
+      tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+         || !tnl->AllowPixelFog;
    }
 
-   tnl->pipeline.run_state_changes |= new_state;
-   tnl->pipeline.build_state_changes |= (new_state &
-                                        tnl->pipeline.build_state_trigger);
+   tnl->pipeline.new_state |= new_state;
+
+   /* Calculate tnl->render_inputs:
+    */
+   if (ctx->Visual.rgbMode) {
+      GLuint i;
+
+      RENDERINPUTS_ZERO( tnl->render_inputs_bitset );
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
+      if (!fp || (fp->Base.InputsRead & FRAG_BIT_COL0)) {
+         RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR0 );
+      }
+      for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+         if (ctx->Texture._EnabledCoordUnits & (1 << i)) {
+            RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) );
+         }
+      }
+
+      if (NEED_SECONDARY_COLOR(ctx))
+         RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR1 );
+   }
+   else {
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR_INDEX );
+   }
 
-   tnl->eval.EvalNewState |= new_state;
+   if (ctx->Fog.Enabled ||
+       ((ctx->FragmentProgram._Active || ctx->FragmentProgram._Current) &&
+        (ctx->FragmentProgram._Current->FogOption != GL_NONE ||
+         (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_FOGC))))
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG );
+
+   if (ctx->Polygon.FrontMode != GL_FILL || 
+       ctx->Polygon.BackMode != GL_FILL)
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_EDGEFLAG );
+
+   if (ctx->RenderMode == GL_FEEDBACK)
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX0 );
+
+   if (ctx->Point._Attenuated ||
+       (ctx->VertexProgram._Enabled && ctx->VertexProgram.PointSizeEnabled))
+      RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POINTSIZE );
+
+   /* check for varying vars which are written by the vertex program */
+   if (vp) {
+      GLuint i;
+      for (i = 0; i < MAX_VARYING; i++) {
+         if (vp->Base.OutputsWritten & (1 << (VERT_RESULT_VAR0 + i))) {
+            RENDERINPUTS_SET(tnl->render_inputs_bitset,
+                             _TNL_ATTRIB_GENERIC(i));
+         }
+      }
+   }
 }
 
 
 void
-_tnl_wakeup_exec( GLcontext *ctx )
+_tnl_wakeup( GLcontext *ctx )
 {
-   TNLcontext *tnl = TNL_CONTEXT(ctx);
-
-   install_driver_callbacks(ctx);
-   ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
-
-   /* Hook our functions into exec and compile dispatch tables.
-    */
-   _mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
-
-   /* Call all appropriate driver callbacks to revive state.
-    */
-   _tnl_MakeCurrent( ctx, ctx->DrawBuffer, ctx->ReadBuffer );
-
    /* Assume we haven't been getting state updates either:
     */
    _tnl_InvalidateState( ctx, ~0 );
-   tnl->pipeline.run_input_changes = ~0;
+
+#if 0
+   if (ctx->Light.ColorMaterialEnabled) {
+      _mesa_update_color_material( ctx, 
+                                  ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
+   }
+#endif
 }
 
 
+
+
+/**
+ * Drivers call this function to tell the TCL module whether or not
+ * it wants Normalized Device Coords (NDC) computed.  I.e. whether
+ * we should "Divide-by-W".  Software renders will want that.
+ */
 void
-_tnl_wakeup_save_exec( GLcontext *ctx )
+_tnl_need_projected_coords( GLcontext *ctx, GLboolean mode )
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
-
-   _tnl_wakeup_exec( ctx );
-   _mesa_install_save_vtxfmt( ctx, &tnl->vtxfmt );
-   ctx->Save->CallList = _mesa_save_CallList;  /* fixme */
-   ctx->Save->CallLists = _mesa_save_CallLists;
-   ctx->Save->EvalMesh1 = _mesa_save_EvalMesh1;        /* fixme */
-   ctx->Save->EvalMesh2 = _mesa_save_EvalMesh2;
-   ctx->Save->Begin = _tnl_save_Begin;
+   tnl->NeedNdcCoords = mode;
 }
 
+void
+_tnl_allow_vertex_fog( GLcontext *ctx, GLboolean value )
+{
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+   tnl->AllowVertexFog = value;
+   tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+      || !tnl->AllowPixelFog;
+
+}
 
 void
-_tnl_need_projected_coords( GLcontext *ctx, GLboolean mode )
+_tnl_allow_pixel_fog( GLcontext *ctx, GLboolean value )
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
-   if (tnl->NeedProjCoords != mode) {
-      tnl->NeedProjCoords = mode;
-      _tnl_InvalidateState( ctx, _NEW_PROJECTION );
-   }
+   tnl->AllowPixelFog = value;
+   tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+      || !tnl->AllowPixelFog;
 }
+