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_vertex.h"
28 #include "util/u_blitter.h"
30 #include "pipe/p_context.h"
31 #include "util/u_inlines.h"
33 #include "r300_screen.h"
37 struct r300_fragment_shader
;
38 struct r300_vertex_shader
;
42 struct r300_atom
*prev
, *next
;
43 /* Name, for debugging. */
47 /* Emit the state to the context. */
48 void (*emit
)(struct r300_context
*, void*);
49 /* Upper bound on number of dwords to emit. */
51 /* Whether this atom should be emitted. */
53 /* Another dirty flag that is never automatically cleared. */
57 struct r300_blend_state
{
58 uint32_t blend_control
; /* R300_RB3D_CBLEND: 0x4e04 */
59 uint32_t alpha_blend_control
; /* R300_RB3D_ABLEND: 0x4e08 */
60 uint32_t color_channel_mask
; /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */
61 uint32_t rop
; /* R300_RB3D_ROPCNTL: 0x4e18 */
62 uint32_t dither
; /* R300_RB3D_DITHER_CTL: 0x4e50 */
65 struct r300_blend_color_state
{
66 /* RV515 and earlier */
67 uint32_t blend_color
; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
69 uint32_t blend_color_red_alpha
; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
70 uint32_t blend_color_green_blue
; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
73 struct r300_dsa_state
{
74 uint32_t alpha_function
; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
75 uint32_t alpha_reference
; /* R500_FG_ALPHA_VALUE: 0x4be0 */
76 uint32_t z_buffer_control
; /* R300_ZB_CNTL: 0x4f00 */
77 uint32_t z_stencil_control
; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
78 uint32_t stencil_ref_mask
; /* R300_ZB_STENCILREFMASK: 0x4f08 */
79 uint32_t stencil_ref_bf
; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
82 struct r300_rs_state
{
83 /* Draw-specific rasterizer state */
84 struct pipe_rasterizer_state rs
;
86 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
87 uint32_t antialiasing_config
; /* R300_GB_AA_CONFIG: 0x4020 */
88 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
89 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
90 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
91 float depth_scale
; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
92 /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
93 float depth_offset
; /* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
94 /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
95 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
96 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
97 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
98 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
99 uint32_t color_control
; /* R300_GA_COLOR_CONTROL: 0x4278 */
100 uint32_t polygon_mode
; /* R300_GA_POLY_MODE: 0x4288 */
103 struct r300_rs_block
{
104 uint32_t ip
[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
105 uint32_t count
; /* R300_RS_COUNT */
106 uint32_t inst_count
; /* R300_RS_INST_COUNT */
107 uint32_t inst
[8]; /* R300_RS_INST_[0-7] */
110 struct r300_sampler_state
{
111 struct pipe_sampler_state state
;
113 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
114 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
115 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
117 /* Min/max LOD must be clamped to [0, last_level], thus
118 * it's dependent on a currently bound texture */
119 unsigned min_lod
, max_lod
;
122 struct r300_texture_state
{
123 uint32_t format0
; /* R300_TX_FORMAT0: 0x4480 */
124 uint32_t format1
; /* R300_TX_FORMAT1: 0x44c0 */
125 uint32_t format2
; /* R300_TX_FORMAT2: 0x4500 */
128 struct r300_viewport_state
{
129 float xscale
; /* R300_VAP_VPORT_XSCALE: 0x2098 */
130 float xoffset
; /* R300_VAP_VPORT_XOFFSET: 0x209c */
131 float yscale
; /* R300_VAP_VPORT_YSCALE: 0x20a0 */
132 float yoffset
; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
133 float zscale
; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */
134 float zoffset
; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
135 uint32_t vte_control
; /* R300_VAP_VTE_CNTL: 0x20b0 */
138 struct r300_ztop_state
{
139 uint32_t z_buffer_top
; /* R300_ZB_ZTOP: 0x4f14 */
142 #define R300_NEW_FRAGMENT_SHADER 0x00000020
143 #define R300_NEW_FRAGMENT_SHADER_CONSTANTS 0x00000040
144 #define R300_NEW_SAMPLER 0x00000200
145 #define R300_ANY_NEW_SAMPLERS 0x0001fe00
146 #define R300_NEW_TEXTURE 0x00040000
147 #define R300_ANY_NEW_TEXTURES 0x03fc0000
148 #define R300_NEW_VERTEX_SHADER 0x08000000
149 #define R300_NEW_VERTEX_SHADER_CONSTANTS 0x10000000
150 #define R300_NEW_QUERY 0x40000000
151 #define R300_NEW_KITCHEN_SINK 0x7fffffff
153 /* The next several objects are not pure Radeon state; they inherit from
154 * various Gallium classes. */
156 struct r300_constant_buffer
{
157 /* Buffer of constants */
158 /* XXX first number should be raised */
159 float constants
[32][4];
160 /* Total number of constants */
166 * This is not a subclass of pipe_query because pipe_query is never
167 * actually fully defined. So, rather than have it as a member, and do
168 * subclass-style casting, we treat pipe_query as an opaque, and just
169 * trust that our state tracker does not ever mess up query objects.
172 /* The kind of query. Currently only OQ is supported. */
174 /* Whether this query is currently active. Only active queries will
175 * get emitted into the command stream, and only active queries get
178 /* The current count of this query. Required to be at least 32 bits. */
180 /* The offset of this query into the query buffer, in bytes. */
182 /* if we've flushed the query */
184 /* if begin has been emitted */
185 boolean begin_emitted
;
186 /* Linked list members. */
187 struct r300_query
* prev
;
188 struct r300_query
* next
;
191 enum r300_buffer_tiling
{
192 R300_BUFFER_LINEAR
= 0,
194 R300_BUFFER_SQUARETILED
197 struct r300_texture
{
199 struct pipe_texture tex
;
201 /* Offsets into the buffer. */
202 unsigned offset
[PIPE_MAX_TEXTURE_LEVELS
];
204 /* A pitch for each mip-level */
205 unsigned pitch
[PIPE_MAX_TEXTURE_LEVELS
];
207 /* Size of one zslice or face based on the texture target */
208 unsigned layer_size
[PIPE_MAX_TEXTURE_LEVELS
];
211 * If non-zero, override the natural texture layout with
212 * a custom stride (in bytes).
214 * \note Mipmapping fails for textures with a non-natural layout!
216 * \sa r300_texture_get_stride
218 unsigned stride_override
;
220 /* Total size of this texture, in bytes. */
223 /* Whether this texture has non-power-of-two dimensions.
224 * It can be either a regular texture or a rectangle one.
228 /* Pipe buffer backing this texture. */
229 struct pipe_buffer
* buffer
;
231 /* Registers carrying texture format data. */
232 struct r300_texture_state state
;
235 enum r300_buffer_tiling microtile
, macrotile
;
238 struct r300_vertex_info
{
240 struct vertex_info vinfo
;
242 /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
243 uint32_t vap_prog_stream_cntl
[8];
244 /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
245 uint32_t vap_prog_stream_cntl_ext
[8];
248 extern struct pipe_viewport_state r300_viewport_identity
;
250 struct r300_context
{
252 struct pipe_context context
;
254 /* The interface to the windowing system, etc. */
255 struct radeon_winsys
* winsys
;
256 /* Draw module. Used mostly for SW TCL. */
257 struct draw_context
* draw
;
258 /* Accelerated blit support. */
259 struct blitter_context
* blitter
;
261 /* Vertex buffer for rendering. */
262 struct pipe_buffer
* vbo
;
263 /* Offset into the VBO. */
266 /* Occlusion query buffer. */
267 struct pipe_buffer
* oqbo
;
269 struct r300_query
*query_current
;
270 struct r300_query query_list
;
272 /* Vertex formatting information. */
273 struct r300_atom vertex_format_state
;
275 /* Various CSO state objects. */
276 /* Beginning of atom list. */
277 struct r300_atom atom_list
;
279 struct r300_atom blend_state
;
280 /* Blend color state. */
281 struct r300_atom blend_color_state
;
282 /* User clip planes. */
283 struct r300_atom clip_state
;
284 /* Shader constants. */
285 struct r300_constant_buffer shader_constants
[PIPE_SHADER_TYPES
];
286 /* Depth, stencil, and alpha state. */
287 struct r300_atom dsa_state
;
288 /* Fragment shader. */
289 struct r300_fragment_shader
* fs
;
290 /* Framebuffer state. */
291 struct r300_atom fb_state
;
292 /* Rasterizer state. */
293 struct r300_atom rs_state
;
294 /* RS block state. */
295 struct r300_atom rs_block_state
;
296 /* Sampler states. */
297 struct r300_sampler_state
* sampler_states
[8];
300 struct r300_atom scissor_state
;
301 /* Texture states. */
302 struct r300_texture
* textures
[8];
305 struct r300_vertex_shader
* vs
;
306 /* Viewport state. */
307 struct r300_atom viewport_state
;
309 struct r300_atom ztop_state
;
311 /* Invariant state. This must be emitted to get the engine started. */
312 struct r300_atom invariant_state
;
314 /* Vertex buffers for Gallium. */
315 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
316 int vertex_buffer_count
;
317 /* Vertex elements for Gallium. */
318 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
319 int vertex_element_count
;
321 /* Bitmask of dirty state objects. */
322 uint32_t dirty_state
;
323 /* Flag indicating whether or not the HW is dirty. */
325 /* Whether the TCL engine should be in bypass mode. */
327 /* Whether polygon offset is enabled. */
328 boolean polygon_offset_enabled
;
329 /* Z buffer bit depth. */
330 uint32_t zbuffer_bpp
;
333 /* Convenience cast wrapper. */
334 static INLINE
struct r300_context
* r300_context(struct pipe_context
* context
)
336 return (struct r300_context
*)context
;
340 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
343 /* Context initialization. */
344 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
);
345 void r300_init_state_functions(struct r300_context
* r300
);
346 void r300_init_surface_functions(struct r300_context
* r300
);
348 static INLINE boolean
CTX_DBG_ON(struct r300_context
* ctx
, unsigned flags
)
350 return SCREEN_DBG_ON(r300_screen(ctx
->context
.screen
), flags
);
353 static INLINE
void CTX_DBG(struct r300_context
* ctx
, unsigned flags
,
354 const char * fmt
, ...)
356 if (CTX_DBG_ON(ctx
, flags
)) {
359 debug_vprintf(fmt
, va
);
364 #define DBG_ON CTX_DBG_ON
367 #endif /* R300_CONTEXT_H */