+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 7.2
- *
- * Copyright (C) 1999-2008 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"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include <precomp.h>
-
-GLboolean
-_tnl_CreateContext( struct gl_context *ctx )
-{
- TNLcontext *tnl;
-
- /* Create the TNLcontext structure
- */
- ctx->swtnl_context = tnl = (TNLcontext *) CALLOC( sizeof(TNLcontext) );
-
- if (!tnl) {
- return GL_FALSE;
- }
-
- /* Initialize the VB.
- */
- tnl->vb.Size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
-
-
- /* Initialize tnl state.
- */
- _tnl_install_pipeline( ctx, _tnl_default_pipeline );
-
- tnl->NeedNdcCoords = GL_TRUE;
- tnl->AllowVertexFog = GL_TRUE;
- tnl->AllowPixelFog = GL_TRUE;
-
- /* Set a few default values in the driver struct.
- */
- 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_vbo_draw_prims);
-
- _math_init_transformation();
- _math_init_translate();
-
- return GL_TRUE;
-}
-
-
-void
-_tnl_DestroyContext( struct gl_context *ctx )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- _tnl_destroy_pipeline( ctx );
-
- FREE(tnl);
- ctx->swtnl_context = NULL;
-}
-
-
-void
-_tnl_InvalidateState( struct gl_context *ctx, GLuint new_state )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- if (new_state & _NEW_HINT) {
- ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
- tnl->_DoVertexFog = ((tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
- || !tnl->AllowPixelFog);
- }
-
- tnl->pipeline.new_state |= new_state;
-
- /* Calculate tnl->render_inputs. This bitmask indicates which vertex
- * attributes need to be emitted to the rasterizer.
- */
- tnl->render_inputs_bitset = BITFIELD64_BIT(_TNL_ATTRIB_POS);
-
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_COLOR);
-
- if (ctx->Texture._EnabledCoord) {
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_TEX);
- }
-
- if (ctx->Fog.Enabled) {
- /* Either fixed-function fog or a fragment program needs fog coord.
- */
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_FOG);
- }
-
- if (ctx->Polygon.FrontMode != GL_FILL ||
- ctx->Polygon.BackMode != GL_FILL)
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_EDGEFLAG);
-
- if (ctx->RenderMode == GL_FEEDBACK)
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_TEX);
-
- if (ctx->Point._Attenuated)
- tnl->render_inputs_bitset |= BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE);
-}
-
-
-void
-_tnl_wakeup( struct gl_context *ctx )
-{
- /* Assume we haven't been getting state updates either:
- */
- _tnl_InvalidateState( ctx, ~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_need_projected_coords( struct gl_context *ctx, GLboolean mode )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- tnl->NeedNdcCoords = mode;
-}
-
-void
-_tnl_allow_vertex_fog( struct gl_context *ctx, GLboolean value )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- tnl->AllowVertexFog = value;
- tnl->_DoVertexFog = ((tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
- || !tnl->AllowPixelFog);
-
-}
-
-void
-_tnl_allow_pixel_fog( struct gl_context *ctx, GLboolean value )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- tnl->AllowPixelFog = value;
- tnl->_DoVertexFog = ((tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
- || !tnl->AllowPixelFog);
-}
-
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