1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #ifndef CELL_CONTEXT_H
30 #define CELL_CONTEXT_H
33 #include "pipe/p_context.h"
34 #include "pipe/p_defines.h"
35 #include "draw/draw_vertex.h"
36 #include "draw/draw_vbuf.h"
37 #include "cell_winsys.h"
38 #include "cell/common.h"
39 #include "rtasm/rtasm_ppc_spe.h"
40 #include "tgsi/tgsi_scan.h"
41 #include "util/u_keymap.h"
44 struct cell_vbuf_render
;
48 * Cell vertex shader state, subclass of pipe_shader_state.
50 struct cell_vertex_shader_state
52 struct pipe_shader_state shader
;
53 struct tgsi_shader_info info
;
59 * Cell fragment shader state, subclass of pipe_shader_state.
61 struct cell_fragment_shader_state
63 struct pipe_shader_state shader
;
64 struct tgsi_shader_info info
;
65 struct spe_function code
;
71 * Key for mapping per-fragment state to cached SPU machine code.
72 * keymap(cell_fragment_ops_key) => cell_command_fragment_ops
74 struct cell_fragment_ops_key
76 struct pipe_blend_state blend
;
77 struct pipe_depth_stencil_alpha_state dsa
;
78 enum pipe_format color_format
;
79 enum pipe_format zs_format
;
84 * Per-context state, subclass of pipe_context.
88 struct pipe_context pipe
;
90 struct cell_winsys
*winsys
;
92 const struct pipe_blend_state
*blend
;
93 const struct pipe_sampler_state
*sampler
[PIPE_MAX_SAMPLERS
];
95 const struct pipe_depth_stencil_alpha_state
*depth_stencil
;
96 const struct pipe_rasterizer_state
*rasterizer
;
97 const struct cell_vertex_shader_state
*vs
;
98 const struct cell_fragment_shader_state
*fs
;
100 struct spe_function logic_op
;
102 struct pipe_blend_color blend_color
;
103 struct pipe_clip_state clip
;
104 struct pipe_constant_buffer constants
[2];
105 struct pipe_framebuffer_state framebuffer
;
106 struct pipe_poly_stipple poly_stipple
;
107 struct pipe_scissor_state scissor
;
108 struct cell_texture
*texture
[PIPE_MAX_SAMPLERS
];
110 struct pipe_viewport_state viewport
;
111 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
112 uint num_vertex_buffers
;
113 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
114 uint num_vertex_elements
;
116 ubyte
*cbuf_map
[PIPE_MAX_COLOR_BUFS
];
119 struct pipe_surface
*tex_surf
;
124 /** Cache of code generated for per-fragment ops */
125 struct keymap
*fragment_ops_cache
;
127 /** The primitive drawing context */
128 struct draw_context
*draw
;
129 struct draw_stage
*render_stage
;
131 /** For post-transformed vertex buffering: */
132 struct cell_vbuf_render
*vbuf_render
;
133 struct draw_stage
*vbuf
;
135 struct vertex_info vertex_info
;
137 /** Mapped constant buffers */
138 void *mapped_constants
[PIPE_SHADER_TYPES
];
140 struct cell_spu_function_info spu_functions ALIGN16_ATTRIB
;
144 /** Buffers for command batches, vertex/index data */
145 uint buffer_size
[CELL_NUM_BUFFERS
];
146 ubyte buffer
[CELL_NUM_BUFFERS
][CELL_BUFFER_SIZE
] ALIGN16_ATTRIB
;
148 int cur_batch
; /**< which buffer is being filled w/ commands */
150 /** [4] to ensure 16-byte alignment for each status word */
151 uint buffer_status
[CELL_MAX_SPUS
][CELL_NUM_BUFFERS
][4] ALIGN16_ATTRIB
;
154 struct spe_function attrib_fetch
;
155 unsigned attrib_fetch_offsets
[PIPE_MAX_ATTRIBS
];
157 unsigned debug_flags
;
163 static INLINE
struct cell_context
*
164 cell_context(struct pipe_context
*pipe
)
166 return (struct cell_context
*) pipe
;
170 extern struct pipe_context
*
171 cell_create_context(struct pipe_screen
*screen
, struct cell_winsys
*cws
);
174 cell_vertex_shader_queue_flush(struct draw_context
*draw
);
177 /* XXX find a better home for this */
178 extern void cell_update_vertex_fetch(struct draw_context
*draw
);
181 #endif /* CELL_CONTEXT_H */