src/gallium/drivers/r600/r600_context.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef R600_CONTEXT_H
  24 #define R600_CONTEXT_H
  25
  26 #include <pipe/p_state.h>
  27 #include <pipe/p_context.h>
  28 #include <tgsi/tgsi_scan.h>
  29 #include <tgsi/tgsi_parse.h>
  30 #include <tgsi/tgsi_util.h>
  31 #include <util/u_blitter.h>
  32 #include "radeon.h"
  33 #include "r600_shader.h"
  34
  35 /* XXX move this to a more appropriate place */
  36 struct r600_vertex_elements_state
  37 {
  38         unsigned count;
  39         struct pipe_vertex_element elements[32];
  40 };
  41
  42 struct r600_pipe_shader {
  43         unsigned                                type;
  44         struct r600_shader                      shader;
  45         struct radeon_bo                        *bo;
  46         struct radeon_state                     *state;
  47 };
  48
  49 struct r600_context {
  50         struct pipe_context             context;
  51         struct r600_screen              *screen;
  52         struct radeon                   *rw;
  53         struct radeon_ctx               *ctx;
  54         struct radeon_state             *cb_cntl;
  55         struct radeon_state             *db;
  56         struct radeon_state             *config;
  57         struct r600_pipe_shader         *ps_shader;
  58         struct r600_pipe_shader         *vs_shader;
  59         unsigned                        flat_shade;
  60         unsigned                        nvertex_buffer;
  61         struct r600_vertex_elements_state *vertex_elements;
  62         struct pipe_vertex_buffer       vertex_buffer[PIPE_MAX_ATTRIBS];
  63         struct blitter_context          *blitter;
  64         struct pipe_stencil_ref         stencil_ref;
  65         struct pipe_framebuffer_state   fb_state;
  66         struct radeon_draw              *draw;
  67         struct pipe_viewport_state      viewport;
  68 };
  69
  70 /* Convenience cast wrapper. */
  71 static INLINE struct r600_context *r600_context(struct pipe_context *pipe)
  72 {
  73     return (struct r600_context*)pipe;
  74 }
  75
  76 void r600_draw_arrays(struct pipe_context *ctx, unsigned mode,
  77                         unsigned start, unsigned count);
  78 void r600_draw_elements(struct pipe_context *ctx,
  79                 struct pipe_resource *index_buffer,
  80                 unsigned index_size, int index_bias, unsigned mode,
  81                 unsigned start, unsigned count);
  82 void r600_draw_range_elements(struct pipe_context *ctx,
  83                 struct pipe_resource *index_buffer,
  84                 unsigned index_size, int index_bias, unsigned min_index,
  85                 unsigned max_index, unsigned mode,
  86                 unsigned start, unsigned count);
  87
  88 void r600_init_blit_functions(struct r600_context *rctx);
  89 void r600_init_state_functions(struct r600_context *rctx);
  90 void r600_init_query_functions(struct r600_context* rctx);
  91 struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv);
  92
  93 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *rpshader);
  94 struct r600_pipe_shader *r600_pipe_shader_create(struct pipe_context *ctx,
  95                                                 unsigned type,
  96                                                 const struct tgsi_token *tokens);
  97 int r600_pipe_shader_update(struct pipe_context *ctx, struct r600_pipe_shader *rpshader);
  98
  99 #endif