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Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
-rw-r--r-- | src/mesa/state_tracker/st_draw.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c new file mode 100644 index 0000000..a424d1d --- /dev/null +++ b/src/mesa/state_tracker/st_draw.c @@ -0,0 +1,120 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "imports.h" + +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_draw.h" +#include "pipe/p_context.h" + +/* + * TNL stage which feeds into the above. + * + * XXX: this needs to go into each driver using this code, because we + * cannot make the leap from ctx->draw_context in this file. The + * driver needs to customize tnl anyway, so this isn't a big deal. + */ +static GLboolean draw( GLcontext * ctx, struct tnl_pipeline_stage *stage ) +{ + struct st_context *st = st_context(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + /* Validate driver and pipe state: + */ + st_validate_state( st ); + + /* Call into the new draw code to handle the VB: + */ + st->pipe->draw_vb( st->pipe, VB ); + + /* Finished + */ + return GL_FALSE; +} + +const struct tnl_pipeline_stage st_draw = { + "check state and draw", + NULL, + NULL, + NULL, + NULL, + draw +}; + +static const struct tnl_pipeline_stage *st_pipeline[] = { + &_tnl_vertex_transform_stage, + &_tnl_vertex_cull_stage, + &_tnl_normal_transform_stage, + &_tnl_lighting_stage, + &_tnl_fog_coordinate_stage, + &_tnl_texgen_stage, + &_tnl_texture_transform_stage, + &_tnl_point_attenuation_stage, + &_tnl_vertex_program_stage, + &st_draw, /* ADD: escape to pipe */ + 0, +}; + +/* This is all a hack to keep using tnl until we have vertex programs + * up and running. + */ +void st_init_draw( struct st_context *st ) +{ + GLcontext *ctx = st->ctx; + + _tnl_destroy_pipeline( ctx ); + _tnl_install_pipeline( ctx, st_pipeline ); +} + + +void st_destroy_draw( struct st_context *st ) +{ + /* Nothing to do. + */ +} + + +/** XXX temporary here */ +void +st_clear(struct st_context *st, GLboolean color, GLboolean depth, + GLboolean stencil, GLboolean accum) +{ + /* This makes sure the softpipe has the latest scissor, etc values */ + st_validate_state( st ); + + st->pipe->clear(st->pipe, color, depth, stencil, accum); +} + |