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 "pipe/p_context.h"
29 #include "pipe/p_inlines.h"
31 struct r300_fragment_shader
;
32 struct r300_vertex_shader
;
34 struct r300_blend_state
{
35 uint32_t blend_control
; /* R300_RB3D_CBLEND: 0x4e04 */
36 uint32_t alpha_blend_control
; /* R300_RB3D_ABLEND: 0x4e08 */
37 uint32_t color_channel_mask
; /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */
38 uint32_t rop
; /* R300_RB3D_ROPCNTL: 0x4e18 */
39 uint32_t dither
; /* R300_RB3D_DITHER_CTL: 0x4e50 */
42 struct r300_blend_color_state
{
43 /* RV515 and earlier */
44 uint32_t blend_color
; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
46 uint32_t blend_color_red_alpha
; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
47 uint32_t blend_color_green_blue
; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
50 struct r300_dsa_state
{
51 uint32_t alpha_function
; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
52 uint32_t alpha_reference
; /* R500_FG_ALPHA_VALUE: 0x4be0 */
53 uint32_t z_buffer_control
; /* R300_ZB_CNTL: 0x4f00 */
54 uint32_t z_stencil_control
; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
55 uint32_t stencil_ref_mask
; /* R300_ZB_STENCILREFMASK: 0x4f08 */
56 uint32_t stencil_ref_bf
; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
59 struct r300_rs_state
{
60 /* Draw-specific rasterizer state */
61 struct pipe_rasterizer_state rs
;
63 /* Whether or not to enable the VTE. This is referenced at the very
64 * last moment during emission of VTE state, to decide whether or not
65 * the VTE should be used for transformation. */
68 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
69 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
70 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
71 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
72 uint32_t depth_scale_front
; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
73 uint32_t depth_offset_front
;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
74 uint32_t depth_scale_back
; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
75 uint32_t depth_offset_back
; /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
76 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
77 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
78 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
79 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
80 uint32_t color_control
; /* R300_GA_COLOR_CONTROL: 0x4278 */
81 uint32_t polygon_mode
; /* R300_GA_POLY_MODE: 0x4288 */
84 struct r300_rs_block
{
85 uint32_t ip
[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
86 uint32_t count
; /* R300_RS_COUNT */
87 uint32_t inst_count
; /* R300_RS_INST_COUNT */
88 uint32_t inst
[8]; /* R300_RS_INST_[0-7] */
91 struct r300_sampler_state
{
92 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
93 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
94 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
96 /* Min/max LOD must be clamped to [0, last_level], thus
97 * it's dependent on a currently bound texture */
98 unsigned min_lod
, max_lod
;
101 struct r300_scissor_regs
{
102 uint32_t top_left
; /* R300_SC_SCISSORS_TL: 0x43e0 */
103 uint32_t bottom_right
; /* R300_SC_SCISSORS_BR: 0x43e4 */
105 /* Whether everything is culled by scissoring. */
109 struct r300_scissor_state
{
110 struct r300_scissor_regs framebuffer
;
111 struct r300_scissor_regs scissor
;
114 struct r300_texture_state
{
115 uint32_t format0
; /* R300_TX_FORMAT0: 0x4480 */
116 uint32_t format1
; /* R300_TX_FORMAT1: 0x44c0 */
117 uint32_t format2
; /* R300_TX_FORMAT2: 0x4500 */
120 struct r300_viewport_state
{
121 float xscale
; /* R300_VAP_VPORT_XSCALE: 0x2098 */
122 float xoffset
; /* R300_VAP_VPORT_XOFFSET: 0x209c */
123 float yscale
; /* R300_VAP_VPORT_YSCALE: 0x20a0 */
124 float yoffset
; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
125 float zscale
; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */
126 float zoffset
; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
127 uint32_t vte_control
; /* R300_VAP_VTE_CNTL: 0x20b0 */
130 struct r300_ztop_state
{
131 uint32_t z_buffer_top
; /* R300_ZB_ZTOP: 0x4f14 */
134 #define R300_NEW_BLEND 0x00000001
135 #define R300_NEW_BLEND_COLOR 0x00000002
136 #define R300_NEW_CLIP 0x00000004
137 #define R300_NEW_DSA 0x00000008
138 #define R300_NEW_FRAMEBUFFERS 0x00000010
139 #define R300_NEW_FRAGMENT_SHADER 0x00000020
140 #define R300_NEW_FRAGMENT_SHADER_CONSTANTS 0x00000040
141 #define R300_NEW_RASTERIZER 0x00000080
142 #define R300_NEW_RS_BLOCK 0x00000100
143 #define R300_NEW_SAMPLER 0x00000200
144 #define R300_ANY_NEW_SAMPLERS 0x0001fe00
145 #define R300_NEW_SCISSOR 0x00020000
146 #define R300_NEW_TEXTURE 0x00040000
147 #define R300_ANY_NEW_TEXTURES 0x03fc0000
148 #define R300_NEW_VERTEX_FORMAT 0x04000000
149 #define R300_NEW_VERTEX_SHADER 0x08000000
150 #define R300_NEW_VERTEX_SHADER_CONSTANTS 0x10000000
151 #define R300_NEW_VIEWPORT 0x20000000
152 #define R300_NEW_QUERY 0x40000000
153 #define R300_NEW_KITCHEN_SINK 0x7fffffff
155 /* The next several objects are not pure Radeon state; they inherit from
156 * various Gallium classes. */
158 struct r300_constant_buffer
{
159 /* Buffer of constants */
160 /* XXX first number should be raised */
161 float constants
[32][4];
162 /* Total number of constants */
168 * This is not a subclass of pipe_query because pipe_query is never
169 * actually fully defined. So, rather than have it as a member, and do
170 * subclass-style casting, we treat pipe_query as an opaque, and just
171 * trust that our state tracker does not ever mess up query objects.
174 /* The kind of query. Currently only OQ is supported. */
176 /* Whether this query is currently active. Only active queries will
177 * get emitted into the command stream, and only active queries get
180 /* The current count of this query. Required to be at least 32 bits. */
182 /* The offset of this query into the query buffer, in bytes. */
184 /* if we've flushed the query */
186 /* if begin has been emitted */
187 boolean begin_emitted
;
188 /* Linked list members. */
189 struct r300_query
* prev
;
190 struct r300_query
* next
;
193 struct r300_texture
{
195 struct pipe_texture tex
;
197 /* Offsets into the buffer. */
198 unsigned offset
[PIPE_MAX_TEXTURE_LEVELS
];
200 /* A pitch for each mip-level */
201 unsigned pitch
[PIPE_MAX_TEXTURE_LEVELS
];
203 /* Size of one zslice or face based on the texture target */
204 unsigned layer_size
[PIPE_MAX_TEXTURE_LEVELS
];
207 * If non-zero, override the natural texture layout with
208 * a custom stride (in bytes).
210 * \note Mipmapping fails for textures with a non-natural layout!
212 * \sa r300_texture_get_stride
214 unsigned stride_override
;
216 /* Total size of this texture, in bytes. */
219 /* Whether this texture has non-power-of-two dimensions.
220 * It can be either a regular texture or a rectangle one.
224 /* Pipe buffer backing this texture. */
225 struct pipe_buffer
* buffer
;
227 /* Registers carrying texture format data. */
228 struct r300_texture_state state
;
231 struct r300_vertex_info
{
233 struct vertex_info vinfo
;
235 /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
236 uint32_t vap_prog_stream_cntl
[8];
237 /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
238 uint32_t vap_prog_stream_cntl_ext
[8];
241 extern struct pipe_viewport_state r300_viewport_identity
;
243 struct r300_context
{
245 struct pipe_context context
;
247 /* The interface to the windowing system, etc. */
248 struct radeon_winsys
* winsys
;
249 /* Draw module. Used mostly for SW TCL. */
250 struct draw_context
* draw
;
252 /* Vertex buffer for rendering. */
253 struct pipe_buffer
* vbo
;
254 /* Offset into the VBO. */
257 /* Occlusion query buffer. */
258 struct pipe_buffer
* oqbo
;
260 struct r300_query
*query_current
;
261 struct r300_query query_list
;
263 /* Shader hash table. Used to store vertex formatting information, which
264 * depends on the combination of both currently loaded shaders. */
265 struct util_hash_table
* shader_hash_table
;
266 /* Vertex formatting information. */
267 struct r300_vertex_info
* vertex_info
;
269 /* Various CSO state objects. */
271 struct r300_blend_state
* blend_state
;
272 /* Blend color state. */
273 struct r300_blend_color_state
* blend_color_state
;
274 /* User clip planes. */
275 struct pipe_clip_state clip_state
;
276 /* Shader constants. */
277 struct r300_constant_buffer shader_constants
[PIPE_SHADER_TYPES
];
278 /* Depth, stencil, and alpha state. */
279 struct r300_dsa_state
* dsa_state
;
280 /* Fragment shader. */
281 struct r300_fragment_shader
* fs
;
282 /* Framebuffer state. We currently don't need our own version of this. */
283 struct pipe_framebuffer_state framebuffer_state
;
284 /* Rasterizer state. */
285 struct r300_rs_state
* rs_state
;
286 /* RS block state. */
287 struct r300_rs_block
* rs_block
;
288 /* Sampler states. */
289 struct r300_sampler_state
* sampler_states
[8];
292 struct r300_scissor_state
* scissor_state
;
293 /* Texture states. */
294 struct r300_texture
* textures
[8];
297 struct r300_vertex_shader
* vs
;
298 /* Viewport state. */
299 struct r300_viewport_state
* viewport_state
;
301 struct r300_ztop_state ztop_state
;
303 /* Vertex buffers for Gallium. */
304 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
305 int vertex_buffer_count
;
306 /* Vertex elements for Gallium. */
307 struct pipe_vertex_element vertex_element
[PIPE_MAX_ATTRIBS
];
308 int vertex_element_count
;
310 /* Bitmask of dirty state objects. */
311 uint32_t dirty_state
;
312 /* Flag indicating whether or not the HW is dirty. */
315 /** Combination of DBG_xxx flags */
319 /* Convenience cast wrapper. */
320 static INLINE
struct r300_context
* r300_context(struct pipe_context
* context
)
322 return (struct r300_context
*)context
;
325 /* Context initialization. */
326 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
);
327 void r300_init_state_functions(struct r300_context
* r300
);
328 void r300_init_surface_functions(struct r300_context
* r300
);
330 /* Debug functionality. */
333 * Debug flags to disable/enable certain groups of debugging outputs.
335 * \note These may be rather coarse, and the grouping may be impractical.
336 * If you find, while debugging the driver, that a different grouping
337 * of these flags would be beneficial, just feel free to change them
338 * but make sure to update the documentation in r300_debug.c to reflect
342 #define DBG_HELP 0x0000001
343 #define DBG_FP 0x0000002
344 #define DBG_VP 0x0000004
345 #define DBG_CS 0x0000008
346 #define DBG_DRAW 0x0000010
347 #define DBG_TEX 0x0000020
348 #define DBG_FALL 0x0000040
351 static INLINE boolean
DBG_ON(struct r300_context
* ctx
, unsigned flags
)
353 return (ctx
->debug
& flags
) ? TRUE
: FALSE
;
356 static INLINE
void DBG(struct r300_context
* ctx
, unsigned flags
, const char * fmt
, ...)
358 if (DBG_ON(ctx
, flags
)) {
361 debug_vprintf(fmt
, va
);
366 void r300_init_debug(struct r300_context
* ctx
);
368 #endif /* R300_CONTEXT_H */