2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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:
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
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. */
23 #ifndef R300_CONTEXT_H
24 #define R300_CONTEXT_H
26 #include "draw/draw_context.h"
27 #include "draw/draw_vertex.h"
29 #include "pipe/p_context.h"
31 #include "tgsi/tgsi_scan.h"
33 #include "util/u_memory.h"
34 #include "util/u_simple_list.h"
36 #include "r300_clear.h"
37 #include "r300_query.h"
38 #include "r300_screen.h"
39 #include "r300_winsys.h"
41 struct r300_fragment_shader
;
42 struct r300_vertex_shader
;
44 struct r300_blend_state
{
45 uint32_t blend_control
; /* R300_RB3D_CBLEND: 0x4e04 */
46 uint32_t alpha_blend_control
; /* R300_RB3D_ABLEND: 0x4e08 */
47 uint32_t rop
; /* R300_RB3D_ROPCNTL: 0x4e18 */
48 uint32_t dither
; /* R300_RB3D_DITHER_CTL: 0x4e50 */
51 struct r300_blend_color_state
{
52 /* RV515 and earlier */
53 uint32_t blend_color
; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
55 uint32_t blend_color_red_alpha
; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
56 uint32_t blend_color_green_blue
; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
59 struct r300_dsa_state
{
60 uint32_t alpha_function
; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
61 uint32_t alpha_reference
; /* R500_FG_ALPHA_VALUE: 0x4be0 */
62 uint32_t z_buffer_control
; /* R300_ZB_CNTL: 0x4f00 */
63 uint32_t z_stencil_control
; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
64 uint32_t stencil_ref_mask
; /* R300_ZB_STENCILREFMASK: 0x4f08 */
65 uint32_t z_buffer_top
; /* R300_ZB_ZTOP: 0x4f14 */
66 uint32_t stencil_ref_bf
; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
69 struct r300_rs_state
{
70 /* Draw-specific rasterizer state */
71 struct pipe_rasterizer_state rs
;
73 /* Whether or not to enable the VTE. This is referenced at the very
74 * last moment during emission of VTE state, to decide whether or not
75 * the VTE should be used for transformation. */
78 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
79 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
80 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
81 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
82 uint32_t depth_scale_front
; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
83 uint32_t depth_offset_front
;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
84 uint32_t depth_scale_back
; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
85 uint32_t depth_offset_back
; /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
86 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
87 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
88 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
89 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
90 uint32_t color_control
; /* R300_GA_COLOR_CONTROL: 0x4278 */
93 struct r300_rs_block
{
94 uint32_t ip
[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
95 uint32_t count
; /* R300_RS_COUNT */
96 uint32_t inst_count
; /* R300_RS_INST_COUNT */
97 uint32_t inst
[8]; /* R300_RS_INST_[0-7] */
100 struct r300_sampler_state
{
101 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
102 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
103 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
106 struct r300_scissor_state
{
107 uint32_t scissor_top_left
; /* R300_SC_SCISSORS_TL: 0x43e0 */
108 uint32_t scissor_bottom_right
; /* R300_SC_SCISSORS_BR: 0x43e4 */
111 struct r300_texture_state
{
112 uint32_t format0
; /* R300_TX_FORMAT0: 0x4480 */
113 uint32_t format1
; /* R300_TX_FORMAT1: 0x44c0 */
114 uint32_t format2
; /* R300_TX_FORMAT2: 0x4500 */
117 struct r300_viewport_state
{
118 float xscale
; /* R300_VAP_VPORT_XSCALE: 0x2098 */
119 float xoffset
; /* R300_VAP_VPORT_XOFFSET: 0x209c */
120 float yscale
; /* R300_VAP_VPORT_YSCALE: 0x20a0 */
121 float yoffset
; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
122 float zscale
; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */
123 float zoffset
; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
124 uint32_t vte_control
; /* R300_VAP_VTE_CNTL: 0x20b0 */
127 #define R300_NEW_BLEND 0x00000001
128 #define R300_NEW_BLEND_COLOR 0x00000002
129 #define R300_NEW_CLIP 0x00000004
130 #define R300_NEW_CONSTANTS 0x00000008
131 #define R300_NEW_DSA 0x00000010
132 #define R300_NEW_FRAMEBUFFERS 0x00000020
133 #define R300_NEW_FRAGMENT_SHADER 0x00000040
134 #define R300_NEW_RASTERIZER 0x00000080
135 #define R300_NEW_RS_BLOCK 0x00000100
136 #define R300_NEW_SAMPLER 0x00000200
137 #define R300_ANY_NEW_SAMPLERS 0x0001fe00
138 #define R300_NEW_SCISSOR 0x00020000
139 #define R300_NEW_TEXTURE 0x00040000
140 #define R300_ANY_NEW_TEXTURES 0x03fc0000
141 #define R300_NEW_VERTEX_FORMAT 0x04000000
142 #define R300_NEW_VERTEX_SHADER 0x08000000
143 #define R300_NEW_VIEWPORT 0x10000000
144 #define R300_NEW_KITCHEN_SINK 0x1fffffff
146 /* The next several objects are not pure Radeon state; they inherit from
147 * various Gallium classes. */
149 struct r300_constant_buffer
{
150 /* Buffer of constants */
151 /* XXX first number should be raised */
152 float constants
[32][4];
153 /* Total number of constants */
159 * This is not a subclass of pipe_query because pipe_query is never
160 * actually fully defined. So, rather than have it as a member, and do
161 * subclass-style casting, we treat pipe_query as an opaque, and just
162 * trust that our state tracker does not ever mess up query objects.
165 /* The kind of query. Currently only OQ is supported. */
167 /* Whether this query is currently active. Only active queries will
168 * get emitted into the command stream, and only active queries get
171 /* The current count of this query. Required to be at least 32 bits. */
173 /* The offset of this query into the query buffer, in bytes. */
175 /* Linked list members. */
176 struct r300_query
* prev
;
177 struct r300_query
* next
;
180 struct r300_texture
{
182 struct pipe_texture tex
;
184 /* Offsets into the buffer. */
185 unsigned offset
[PIPE_MAX_TEXTURE_LEVELS
];
187 /* Stride (pitch?) of this texture in bytes */
190 /* Total size of this texture, in bytes. */
193 /* Pipe buffer backing this texture. */
194 struct pipe_buffer
* buffer
;
196 /* Registers carrying texture format data. */
197 struct r300_texture_state state
;
200 struct r300_vertex_format
{
202 struct vertex_info vinfo
;
203 /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
204 uint32_t vap_prog_stream_cntl
[8];
205 /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
206 uint32_t vap_prog_stream_cntl_ext
[8];
207 /* Map of vertex attributes into PVS memory for HW TCL,
208 * or GA memory for SW TCL. */
210 /* Map of rasterizer attributes from GB through RS to US. */
214 static struct pipe_viewport_state r300_viewport_identity
= {
215 .scale
= {1.0, 1.0, 1.0, 1.0},
216 .translate
= {0.0, 0.0, 0.0, 0.0},
219 struct r300_context
{
221 struct pipe_context context
;
223 /* The interface to the windowing system, etc. */
224 struct r300_winsys
* winsys
;
225 /* Draw module. Used mostly for SW TCL. */
226 struct draw_context
* draw
;
228 /* Vertex buffer for rendering. */
229 struct pipe_buffer
* vbo
;
230 /* Offset into the VBO. */
233 /* Occlusion query buffer. */
234 struct pipe_buffer
* oqbo
;
236 struct r300_query
* query_list
;
238 /* Various CSO state objects. */
240 struct r300_blend_state
* blend_state
;
241 /* Blend color state. */
242 struct r300_blend_color_state
* blend_color_state
;
243 /* User clip planes. */
244 struct pipe_clip_state clip_state
;
245 /* Shader constants. */
246 struct r300_constant_buffer shader_constants
[PIPE_SHADER_TYPES
];
247 /* Depth, stencil, and alpha state. */
248 struct r300_dsa_state
* dsa_state
;
249 /* Fragment shader. */
250 struct r300_fragment_shader
* fs
;
251 /* Framebuffer state. We currently don't need our own version of this. */
252 struct pipe_framebuffer_state framebuffer_state
;
253 /* Rasterizer state. */
254 struct r300_rs_state
* rs_state
;
255 /* RS block state. */
256 struct r300_rs_block
* rs_block
;
257 /* Sampler states. */
258 struct r300_sampler_state
* sampler_states
[8];
261 struct r300_scissor_state
* scissor_state
;
262 /* Texture states. */
263 struct r300_texture
* textures
[8];
265 /* Vertex buffers for Gallium. */
266 struct pipe_vertex_buffer vertex_buffers
[PIPE_MAX_ATTRIBS
];
267 int vertex_buffer_count
;
268 /* Vertex information. */
269 struct r300_vertex_format vertex_info
;
271 struct r300_vertex_shader
* vs
;
272 /* Viewport state. */
273 struct r300_viewport_state
* viewport_state
;
274 /* Bitmask of dirty state objects. */
275 uint32_t dirty_state
;
276 /* Flag indicating whether or not the HW is dirty. */
280 /* Convenience cast wrapper. */
281 static INLINE
struct r300_context
* r300_context(struct pipe_context
* context
)
283 return (struct r300_context
*)context
;
286 /* Context initialization. */
287 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
);
288 void r300_init_state_functions(struct r300_context
* r300
);
289 void r300_init_surface_functions(struct r300_context
* r300
);
291 #endif /* R300_CONTEXT_H */