| /************************************************************************** |
| * |
| * 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; |
| |
| |
| /** |
| * Gallium rendering context. Basically: |
| * - state setting functions |
| * - VBO drawing functions |
| * - memory region function |
| * - device queries |
| */ |
| struct pipe_context { |
| struct pipe_winsys *winsys; |
| |
| void *priv; /** context private data (for DRI for example) */ |
| |
| void (*destroy)( struct pipe_context * ); |
| |
| /* |
| * Queries |
| */ |
| boolean (*is_format_supported)( struct pipe_context *pipe, |
| uint format ); |
| |
| 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_handle *indexBuffer, |
| unsigned indexSize, |
| unsigned mode, unsigned start, unsigned count); |
| |
| /** Clear a surface to given value (no scissor; clear whole surface) */ |
| void (*clear)(struct pipe_context *pipe, struct pipe_surface *ps, |
| unsigned clearValue); |
| |
| /** |
| * Query objects |
| */ |
| void (*begin_query)(struct pipe_context *pipe, struct pipe_query_object *q); |
| void (*end_query)(struct pipe_context *pipe, struct pipe_query_object *q); |
| void (*wait_query)(struct pipe_context *pipe, struct pipe_query_object *q); |
| |
| /* |
| * State functions |
| */ |
| void * (*create_alpha_test_state)(struct pipe_context *, |
| const struct pipe_alpha_test_state *); |
| void (*bind_alpha_test_state)(struct pipe_context *, void *); |
| void (*delete_alpha_test_state)(struct pipe_context *, void *); |
| |
| 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_state)(struct pipe_context *, |
| const struct pipe_depth_stencil_state *); |
| void (*bind_depth_stencil_state)(struct pipe_context *, void *); |
| void (*delete_depth_stencil_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_clear_color_state)( struct pipe_context *, |
| const struct pipe_clear_color_state * ); |
| |
| void (*set_constant_buffer)( struct pipe_context *, |
| uint shader, uint index, |
| const struct pipe_constant_buffer *buf ); |
| |
| void (*set_feedback_state)( struct pipe_context *, |
| const struct pipe_feedback_state *); |
| |
| 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_sampler_units)( struct pipe_context *, |
| uint num_samplers, const uint *units ); |
| |
| void (*set_scissor_state)( struct pipe_context *, |
| const struct pipe_scissor_state * ); |
| |
| void (*set_texture_state)( struct pipe_context *, |
| unsigned unit, |
| struct pipe_mipmap_tree * ); |
| |
| 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 * ); |
| |
| /* |
| * Vertex feedback |
| */ |
| void (*set_feedback_buffer)(struct pipe_context *, |
| unsigned index, |
| const struct pipe_feedback_buffer *); |
| |
| /** Get a surface which is a "view" into a texture */ |
| struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe, |
| struct pipe_mipmap_tree *texture, |
| unsigned face, unsigned level, |
| unsigned zslice); |
| |
| /** Get a block of raw pixel data from a surface */ |
| void (*get_tile)(struct pipe_context *pipe, |
| struct pipe_surface *ps, |
| uint x, uint y, uint w, uint h, |
| void *p, int dst_stride); |
| /** Put a block of raw pixel data into a surface */ |
| void (*put_tile)(struct pipe_context *pipe, |
| struct pipe_surface *ps, |
| uint x, uint y, uint w, uint h, |
| const void *p, int src_stride); |
| /* XXX temporary here, move these to softpipe */ |
| void (*get_tile_rgba)(struct pipe_context *pipe, struct pipe_surface *ps, |
| uint x, uint y, uint w, uint h, float *p); |
| void (*put_tile_rgba)(struct pipe_context *pipe, struct pipe_surface *ps, |
| uint x, uint y, uint w, uint h, const float *p); |
| |
| |
| /* |
| * Memory region functions |
| */ |
| ubyte *(*region_map)(struct pipe_context *pipe, struct pipe_region *r); |
| |
| void (*region_unmap)(struct pipe_context *pipe, struct pipe_region *r); |
| |
| |
| /* |
| * Surface functions |
| */ |
| void (*surface_data)(struct pipe_context *pipe, |
| struct pipe_surface *dest, |
| unsigned destx, unsigned desty, |
| const void *src, unsigned src_stride, |
| unsigned srcx, unsigned srcy, |
| unsigned width, unsigned height); |
| |
| void (*surface_copy)(struct pipe_context *pipe, |
| 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); |
| |
| |
| /* |
| * Texture functions |
| */ |
| boolean (*mipmap_tree_layout)( struct pipe_context *pipe, |
| struct pipe_mipmap_tree *mt ); |
| |
| |
| /* Flush rendering: |
| */ |
| void (*flush)( struct pipe_context *pipe, |
| unsigned flags ); |
| }; |
| |
| #endif /* PIPE_CONTEXT_H */ |