mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-25 03:58:19 +02:00
6dd284f7c8
This moves the gallium interface for clears from using a pointer to 4 floats to a pointer to a union of float/unsigned/int values. Notes: 1. the value is opaque. 2. only when the value is used should it be interpretered according to the surface format it is going to be used with. 3. float clears on integer buffers and vice-versa are undefined. v2: fixed up vega and graw, dropped hunks that shouldn't have been in patch. Signed-off-by: Dave Airlie <airlied@redhat.com>
425 lines
16 KiB
C
425 lines
16 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef PIPE_CONTEXT_H
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#define PIPE_CONTEXT_H
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#include "p_compiler.h"
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#include "p_format.h"
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#include "p_video_enums.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct pipe_blend_color;
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struct pipe_blend_state;
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struct pipe_box;
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struct pipe_clip_state;
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struct pipe_depth_stencil_alpha_state;
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struct pipe_draw_info;
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struct pipe_fence_handle;
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struct pipe_framebuffer_state;
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struct pipe_index_buffer;
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struct pipe_query;
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struct pipe_poly_stipple;
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struct pipe_rasterizer_state;
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struct pipe_resolve_info;
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struct pipe_resource;
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struct pipe_sampler_state;
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struct pipe_sampler_view;
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struct pipe_scissor_state;
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struct pipe_shader_state;
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struct pipe_stencil_ref;
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struct pipe_stream_output_state;
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struct pipe_surface;
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struct pipe_vertex_buffer;
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struct pipe_vertex_element;
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struct pipe_video_buffer;
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struct pipe_video_decoder;
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struct pipe_viewport_state;
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union pipe_color_union;
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/**
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* Gallium rendering context. Basically:
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* - state setting functions
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* - VBO drawing functions
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* - surface functions
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*/
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struct pipe_context {
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struct pipe_winsys *winsys;
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struct pipe_screen *screen;
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void *priv; /**< context private data (for DRI for example) */
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void *draw; /**< private, for draw module (temporary?) */
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void (*destroy)( struct pipe_context * );
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/**
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* VBO drawing
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*/
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/*@{*/
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void (*draw_vbo)( struct pipe_context *pipe,
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const struct pipe_draw_info *info );
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/**
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* Draw the stream output buffer at index 0
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*/
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void (*draw_stream_output)( struct pipe_context *pipe, unsigned mode );
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/*@}*/
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/**
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* Predicate subsequent rendering on occlusion query result
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* \param query the query predicate, or NULL if no predicate
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* \param mode one of PIPE_RENDER_COND_x
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*/
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void (*render_condition)( struct pipe_context *pipe,
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struct pipe_query *query,
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uint mode );
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/**
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* Query objects
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*/
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/*@{*/
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struct pipe_query *(*create_query)( struct pipe_context *pipe,
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unsigned query_type );
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void (*destroy_query)(struct pipe_context *pipe,
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struct pipe_query *q);
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void (*begin_query)(struct pipe_context *pipe, struct pipe_query *q);
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void (*end_query)(struct pipe_context *pipe, struct pipe_query *q);
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/**
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* Get results of a query.
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* \param wait if true, this query will block until the result is ready
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* \return TRUE if results are ready, FALSE otherwise
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*/
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boolean (*get_query_result)(struct pipe_context *pipe,
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struct pipe_query *q,
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boolean wait,
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void *result);
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/*@}*/
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/**
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* State functions (create/bind/destroy state objects)
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*/
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/*@{*/
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void * (*create_blend_state)(struct pipe_context *,
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const struct pipe_blend_state *);
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void (*bind_blend_state)(struct pipe_context *, void *);
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void (*delete_blend_state)(struct pipe_context *, void *);
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void * (*create_sampler_state)(struct pipe_context *,
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const struct pipe_sampler_state *);
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void (*bind_fragment_sampler_states)(struct pipe_context *,
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unsigned num_samplers,
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void **samplers);
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void (*bind_vertex_sampler_states)(struct pipe_context *,
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unsigned num_samplers,
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void **samplers);
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void (*bind_geometry_sampler_states)(struct pipe_context *,
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unsigned num_samplers,
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void **samplers);
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void (*delete_sampler_state)(struct pipe_context *, void *);
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void * (*create_rasterizer_state)(struct pipe_context *,
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const struct pipe_rasterizer_state *);
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void (*bind_rasterizer_state)(struct pipe_context *, void *);
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void (*delete_rasterizer_state)(struct pipe_context *, void *);
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void * (*create_depth_stencil_alpha_state)(struct pipe_context *,
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const struct pipe_depth_stencil_alpha_state *);
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void (*bind_depth_stencil_alpha_state)(struct pipe_context *, void *);
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void (*delete_depth_stencil_alpha_state)(struct pipe_context *, void *);
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void * (*create_fs_state)(struct pipe_context *,
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const struct pipe_shader_state *);
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void (*bind_fs_state)(struct pipe_context *, void *);
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void (*delete_fs_state)(struct pipe_context *, void *);
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void * (*create_vs_state)(struct pipe_context *,
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const struct pipe_shader_state *);
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void (*bind_vs_state)(struct pipe_context *, void *);
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void (*delete_vs_state)(struct pipe_context *, void *);
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void * (*create_gs_state)(struct pipe_context *,
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const struct pipe_shader_state *);
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void (*bind_gs_state)(struct pipe_context *, void *);
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void (*delete_gs_state)(struct pipe_context *, void *);
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void * (*create_vertex_elements_state)(struct pipe_context *,
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unsigned num_elements,
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const struct pipe_vertex_element *);
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void (*bind_vertex_elements_state)(struct pipe_context *, void *);
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void (*delete_vertex_elements_state)(struct pipe_context *, void *);
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void * (*create_stream_output_state)(struct pipe_context *,
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const struct pipe_stream_output_state *);
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void (*bind_stream_output_state)(struct pipe_context *, void *);
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void (*delete_stream_output_state)(struct pipe_context*, void*);
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/*@}*/
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/**
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* Parameter-like state (or properties)
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*/
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/*@{*/
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void (*set_blend_color)( struct pipe_context *,
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const struct pipe_blend_color * );
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void (*set_stencil_ref)( struct pipe_context *,
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const struct pipe_stencil_ref * );
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void (*set_sample_mask)( struct pipe_context *,
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unsigned sample_mask );
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void (*set_clip_state)( struct pipe_context *,
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const struct pipe_clip_state * );
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void (*set_constant_buffer)( struct pipe_context *,
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uint shader, uint index,
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struct pipe_resource *buf );
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void (*set_framebuffer_state)( struct pipe_context *,
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const struct pipe_framebuffer_state * );
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void (*set_polygon_stipple)( struct pipe_context *,
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const struct pipe_poly_stipple * );
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void (*set_scissor_state)( struct pipe_context *,
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const struct pipe_scissor_state * );
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void (*set_viewport_state)( struct pipe_context *,
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const struct pipe_viewport_state * );
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void (*set_fragment_sampler_views)(struct pipe_context *,
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unsigned num_views,
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struct pipe_sampler_view **);
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void (*set_vertex_sampler_views)(struct pipe_context *,
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unsigned num_views,
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struct pipe_sampler_view **);
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void (*set_geometry_sampler_views)(struct pipe_context *,
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unsigned num_views,
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struct pipe_sampler_view **);
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void (*set_vertex_buffers)( struct pipe_context *,
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unsigned num_buffers,
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const struct pipe_vertex_buffer * );
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void (*set_index_buffer)( struct pipe_context *pipe,
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const struct pipe_index_buffer * );
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void (*set_stream_output_buffers)(struct pipe_context *,
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struct pipe_resource **buffers,
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int *offsets, /*array of offsets
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from the start of each
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of the buffers */
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int num_buffers);
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/*@}*/
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/**
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* Resource functions for blit-like functionality
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*
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* If a driver supports multisampling, resource_resolve must be available.
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*/
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/*@{*/
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/**
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* Copy a block of pixels from one resource to another.
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* The resource must be of the same format.
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* Resources with nr_samples > 1 are not allowed.
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*/
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void (*resource_copy_region)(struct pipe_context *pipe,
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struct pipe_resource *dst,
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unsigned dst_level,
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unsigned dstx, unsigned dsty, unsigned dstz,
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struct pipe_resource *src,
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unsigned src_level,
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const struct pipe_box *src_box);
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/**
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* Resolve a multisampled resource into a non-multisampled one.
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* Source and destination must be of the same format.
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*/
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void (*resource_resolve)(struct pipe_context *pipe,
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const struct pipe_resolve_info *info);
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/*@}*/
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/**
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* Clear the specified set of currently bound buffers to specified values.
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* The entire buffers are cleared (no scissor, no colormask, etc).
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*
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* \param buffers bitfield of PIPE_CLEAR_* values.
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* \param color pointer to a union of fiu array for each of r, g, b, a.
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* \param depth depth clear value in [0,1].
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* \param stencil stencil clear value
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*/
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void (*clear)(struct pipe_context *pipe,
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unsigned buffers,
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const union pipe_color_union *color,
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double depth,
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unsigned stencil);
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/**
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* Clear a color rendertarget surface.
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* \param color pointer to an union of fiu array for each of r, g, b, a.
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*/
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void (*clear_render_target)(struct pipe_context *pipe,
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struct pipe_surface *dst,
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const union pipe_color_union *color,
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unsigned dstx, unsigned dsty,
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unsigned width, unsigned height);
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/**
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* Clear a depth-stencil surface.
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* \param clear_flags bitfield of PIPE_CLEAR_DEPTH/STENCIL values.
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* \param depth depth clear value in [0,1].
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* \param stencil stencil clear value
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*/
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void (*clear_depth_stencil)(struct pipe_context *pipe,
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struct pipe_surface *dst,
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unsigned clear_flags,
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double depth,
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unsigned stencil,
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unsigned dstx, unsigned dsty,
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unsigned width, unsigned height);
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/** Flush draw commands
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*/
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void (*flush)( struct pipe_context *pipe,
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struct pipe_fence_handle **fence );
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/**
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* Create a view on a texture to be used by a shader stage.
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*/
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struct pipe_sampler_view * (*create_sampler_view)(struct pipe_context *ctx,
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struct pipe_resource *texture,
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const struct pipe_sampler_view *templat);
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void (*sampler_view_destroy)(struct pipe_context *ctx,
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struct pipe_sampler_view *view);
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/**
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* Get a surface which is a "view" into a resource, used by
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* render target / depth stencil stages.
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* \param usage bitmaks of PIPE_BIND_* flags
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*/
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struct pipe_surface *(*create_surface)(struct pipe_context *ctx,
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struct pipe_resource *resource,
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const struct pipe_surface *templat);
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void (*surface_destroy)(struct pipe_context *ctx,
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struct pipe_surface *);
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/**
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* Get a transfer object for transferring data to/from a texture.
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*
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* Transfers are (by default) context-private and allow uploads to be
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* interleaved with
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*/
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struct pipe_transfer *(*get_transfer)(struct pipe_context *,
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struct pipe_resource *resource,
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unsigned level,
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unsigned usage, /* a combination of PIPE_TRANSFER_x */
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const struct pipe_box *);
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void (*transfer_destroy)(struct pipe_context *,
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struct pipe_transfer *);
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void *(*transfer_map)( struct pipe_context *,
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struct pipe_transfer *transfer );
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/* If transfer was created with WRITE|FLUSH_EXPLICIT, only the
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* regions specified with this call are guaranteed to be written to
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* the resource.
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*/
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void (*transfer_flush_region)( struct pipe_context *,
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struct pipe_transfer *transfer,
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const struct pipe_box *);
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void (*transfer_unmap)( struct pipe_context *,
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struct pipe_transfer *transfer );
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/* One-shot transfer operation with data supplied in a user
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* pointer. XXX: strides??
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*/
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void (*transfer_inline_write)( struct pipe_context *,
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struct pipe_resource *,
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unsigned level,
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unsigned usage, /* a combination of PIPE_TRANSFER_x */
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const struct pipe_box *,
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const void *data,
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unsigned stride,
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unsigned layer_stride);
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/* Notify a driver that a content of a user buffer has been changed.
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* The changed range is [offset, offset+size-1].
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* The new width0 of the buffer is offset+size. */
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void (*redefine_user_buffer)(struct pipe_context *,
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struct pipe_resource *,
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unsigned offset,
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unsigned size);
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/**
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* Flush any pending framebuffer writes and invalidate texture caches.
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*/
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void (*texture_barrier)(struct pipe_context *);
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/**
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* Creates a video decoder for a specific video codec/profile
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*/
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struct pipe_video_decoder *(*create_video_decoder)( struct pipe_context *context,
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enum pipe_video_profile profile,
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enum pipe_video_entrypoint entrypoint,
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enum pipe_video_chroma_format chroma_format,
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unsigned width, unsigned height, unsigned max_references );
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/**
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* Creates a video buffer as decoding target
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*/
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struct pipe_video_buffer *(*create_video_buffer)( struct pipe_context *context,
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enum pipe_format buffer_format,
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enum pipe_video_chroma_format chroma_format,
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unsigned width, unsigned height );
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* PIPE_CONTEXT_H */
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