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Diffstat (limited to 'src/gallium/include/pipe/p_context.h')
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h new file mode 100644 index 00000000000..39f95695fb6 --- /dev/null +++ b/src/gallium/include/pipe/p_context.h @@ -0,0 +1,221 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#ifndef PIPE_CONTEXT_H +#define PIPE_CONTEXT_H + +#include "p_state.h" + + +struct pipe_state_cache; + +/* Opaque driver handles: + */ +struct pipe_query; + +/** + * Gallium rendering context. Basically: + * - state setting functions + * - VBO drawing functions + * - surface functions + * - device queries + */ +struct pipe_context { + struct pipe_winsys *winsys; + + void *priv; /** context private data (for DRI for example) */ + + void (*destroy)( struct pipe_context * ); + + /* + * Queries + */ + /** type is one of PIPE_SURFACE, PIPE_TEXTURE, etc. */ + boolean (*is_format_supported)( struct pipe_context *pipe, + enum pipe_format format, uint type ); + + const char *(*get_name)( struct pipe_context *pipe ); + + const char *(*get_vendor)( struct pipe_context *pipe ); + + int (*get_param)( struct pipe_context *pipe, int param ); + float (*get_paramf)( struct pipe_context *pipe, int param ); + + + /* + * Drawing. + * Return false on fallbacks (temporary??) + */ + boolean (*draw_arrays)( struct pipe_context *pipe, + unsigned mode, unsigned start, unsigned count); + + boolean (*draw_elements)( struct pipe_context *pipe, + struct pipe_buffer *indexBuffer, + unsigned indexSize, + unsigned mode, unsigned start, unsigned count); + + + /** + * Query objects + */ + struct pipe_query *(*create_query)( struct pipe_context *pipe, + unsigned query_type ); + + void (*destroy_query)(struct pipe_context *pipe, + struct pipe_query *q); + + void (*begin_query)(struct pipe_context *pipe, struct pipe_query *q); + void (*end_query)(struct pipe_context *pipe, struct pipe_query *q); + + boolean (*get_query_result)(struct pipe_context *pipe, + struct pipe_query *q, + boolean wait, + uint64 *result); + + /* + * State functions + */ + void * (*create_blend_state)(struct pipe_context *, + const struct pipe_blend_state *); + void (*bind_blend_state)(struct pipe_context *, void *); + void (*delete_blend_state)(struct pipe_context *, void *); + + void * (*create_sampler_state)(struct pipe_context *, + const struct pipe_sampler_state *); + void (*bind_sampler_state)(struct pipe_context *, unsigned unit, void *); + void (*delete_sampler_state)(struct pipe_context *, void *); + + void * (*create_rasterizer_state)(struct pipe_context *, + const struct pipe_rasterizer_state *); + void (*bind_rasterizer_state)(struct pipe_context *, void *); + void (*delete_rasterizer_state)(struct pipe_context *, void *); + + void * (*create_depth_stencil_alpha_state)(struct pipe_context *, + const struct pipe_depth_stencil_alpha_state *); + void (*bind_depth_stencil_alpha_state)(struct pipe_context *, void *); + void (*delete_depth_stencil_alpha_state)(struct pipe_context *, void *); + + void * (*create_fs_state)(struct pipe_context *, + const struct pipe_shader_state *); + void (*bind_fs_state)(struct pipe_context *, void *); + void (*delete_fs_state)(struct pipe_context *, void *); + + void * (*create_vs_state)(struct pipe_context *, + const struct pipe_shader_state *); + void (*bind_vs_state)(struct pipe_context *, void *); + void (*delete_vs_state)(struct pipe_context *, void *); + + /* The following look more properties than states. + * maybe combine a few of them into states or pass them + * in the bind calls to the state */ + void (*set_blend_color)( struct pipe_context *, + const struct pipe_blend_color * ); + + void (*set_clip_state)( struct pipe_context *, + const struct pipe_clip_state * ); + + void (*set_constant_buffer)( struct pipe_context *, + uint shader, uint index, + const struct pipe_constant_buffer *buf ); + + void (*set_framebuffer_state)( struct pipe_context *, + const struct pipe_framebuffer_state * ); + + void (*set_polygon_stipple)( struct pipe_context *, + const struct pipe_poly_stipple * ); + + void (*set_scissor_state)( struct pipe_context *, + const struct pipe_scissor_state * ); + + + /* Currently a sampler is constrained to sample from a single texture: + */ + void (*set_sampler_texture)( struct pipe_context *, + unsigned sampler, + struct pipe_texture * ); + + void (*set_viewport_state)( struct pipe_context *, + const struct pipe_viewport_state * ); + + /* + * Vertex arrays + */ + void (*set_vertex_buffer)( struct pipe_context *, + unsigned index, + const struct pipe_vertex_buffer * ); + + void (*set_vertex_element)( struct pipe_context *, + unsigned index, + const struct pipe_vertex_element * ); + + + /* + * Surface functions + */ + + void (*surface_copy)(struct pipe_context *pipe, + unsigned do_flip, /*<< flip surface contents vertically */ + struct pipe_surface *dest, + unsigned destx, unsigned desty, + struct pipe_surface *src, /* don't make this const - + need to map/unmap */ + unsigned srcx, unsigned srcy, + unsigned width, unsigned height); + + void (*surface_fill)(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, + unsigned value); + + void (*clear)(struct pipe_context *pipe, + struct pipe_surface *ps, + unsigned clearValue); + + + /* + * Texture functions + */ + struct pipe_texture * (*texture_create)(struct pipe_context *pipe, + const struct pipe_texture *templat); + + void (*texture_release)(struct pipe_context *pipe, + struct pipe_texture **pt); + + /** Get a surface which is a "view" into a texture */ + struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe, + struct pipe_texture *texture, + unsigned face, unsigned level, + unsigned zslice); + + /* Flush rendering: + */ + void (*flush)( struct pipe_context *pipe, + unsigned flags ); +}; + +#endif /* PIPE_CONTEXT_H */ |