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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_context.h')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_context.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h new file mode 100644 index 00000000000..d529e4e9a27 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -0,0 +1,182 @@ + +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * \brief Public interface into the drawing module. + */ + +/* Authors: Keith Whitwell <[email protected]> + */ + + +#ifndef DRAW_CONTEXT_H +#define DRAW_CONTEXT_H + + +#include "pipe/p_state.h" + + +struct pipe_context; +struct draw_context; +struct draw_stage; +struct draw_vertex_shader; +struct tgsi_sampler; + + +struct draw_context *draw_create( void ); + +void draw_destroy( struct draw_context *draw ); + +void draw_set_viewport_state( struct draw_context *draw, + const struct pipe_viewport_state *viewport ); + +void draw_set_clip_state( struct draw_context *pipe, + const struct pipe_clip_state *clip ); + +void draw_set_rasterizer_state( struct draw_context *draw, + const struct pipe_rasterizer_state *raster ); + +void draw_set_rasterize_stage( struct draw_context *draw, + struct draw_stage *stage ); + +void draw_wide_point_threshold(struct draw_context *draw, float threshold); + +void draw_wide_line_threshold(struct draw_context *draw, float threshold); + +void draw_enable_line_stipple(struct draw_context *draw, boolean enable); + +void draw_enable_point_sprites(struct draw_context *draw, boolean enable); + +void draw_set_mrd(struct draw_context *draw, double mrd); + +boolean +draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe); + +boolean +draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe); + +boolean +draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe); + + +int +draw_find_vs_output(const struct draw_context *draw, + uint semantic_name, uint semantic_index); + +uint +draw_num_vs_outputs(const struct draw_context *draw); + + +void +draw_texture_samplers(struct draw_context *draw, + uint num_samplers, + struct tgsi_sampler **samplers); + + + +/* + * Vertex shader functions + */ + +struct draw_vertex_shader * +draw_create_vertex_shader(struct draw_context *draw, + const struct pipe_shader_state *shader); +void draw_bind_vertex_shader(struct draw_context *draw, + struct draw_vertex_shader *dvs); +void draw_delete_vertex_shader(struct draw_context *draw, + struct draw_vertex_shader *dvs); + + + +/* + * Vertex data functions + */ + +void draw_set_vertex_buffers(struct draw_context *draw, + unsigned count, + const struct pipe_vertex_buffer *buffers); + +void draw_set_vertex_elements(struct draw_context *draw, + unsigned count, + const struct pipe_vertex_element *elements); + +void +draw_set_mapped_element_buffer_range( struct draw_context *draw, + unsigned eltSize, + unsigned min_index, + unsigned max_index, + const void *elements ); + +void draw_set_mapped_element_buffer( struct draw_context *draw, + unsigned eltSize, + const void *elements ); + +void draw_set_mapped_vertex_buffer(struct draw_context *draw, + unsigned attr, const void *buffer); + +void draw_set_mapped_constant_buffer(struct draw_context *draw, + const void *buffer, + unsigned size ); + +void draw_set_edgeflags( struct draw_context *draw, + const unsigned *edgeflag ); + + +/*********************************************************************** + * draw_prim.c + */ + +void draw_arrays(struct draw_context *draw, unsigned prim, + unsigned start, unsigned count); + +void draw_flush(struct draw_context *draw); + + +/******************************************************************************* + * Driver backend interface + */ +struct vbuf_render; +void draw_set_render( struct draw_context *draw, + struct vbuf_render *render ); + +void draw_set_driver_clipping( struct draw_context *draw, + boolean bypass_clipping ); + +void draw_set_force_passthrough( struct draw_context *draw, + boolean enable ); + +/******************************************************************************* + * Draw pipeline + */ +boolean draw_need_pipeline(const struct draw_context *draw, + const struct pipe_rasterizer_state *rasterizer, + unsigned prim ); + + + +#endif /* DRAW_CONTEXT_H */ |