r600g: Match alpha ref precision to color format precision.
[profile/ivi/mesa.git] / src / gallium / drivers / r600 / r600_pipe.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  * Authors:
24  *      Jerome Glisse
25  */
26 #ifndef R600_PIPE_H
27 #define R600_PIPE_H
28
29 #include <pipe/p_state.h>
30 #include <pipe/p_screen.h>
31 #include <pipe/p_context.h>
32 #include <util/u_math.h>
33 #include "util/u_slab.h"
34 #include "util/u_vbuf_mgr.h"
35 #include "r600.h"
36 #include "r600_public.h"
37 #include "r600_shader.h"
38 #include "r600_resource.h"
39
40 #define R600_MAX_CONST_BUFFERS 1
41 #define R600_MAX_CONST_BUFFER_SIZE 4096
42
43 #ifdef PIPE_ARCH_BIG_ENDIAN
44 #define R600_BIG_ENDIAN 1
45 #else
46 #define R600_BIG_ENDIAN 0
47 #endif
48
49 enum r600_pipe_state_id {
50         R600_PIPE_STATE_BLEND = 0,
51         R600_PIPE_STATE_BLEND_COLOR,
52         R600_PIPE_STATE_CONFIG,
53         R600_PIPE_STATE_CLIP,
54         R600_PIPE_STATE_SCISSOR,
55         R600_PIPE_STATE_VIEWPORT,
56         R600_PIPE_STATE_RASTERIZER,
57         R600_PIPE_STATE_VGT,
58         R600_PIPE_STATE_FRAMEBUFFER,
59         R600_PIPE_STATE_DSA,
60         R600_PIPE_STATE_STENCIL_REF,
61         R600_PIPE_STATE_PS_SHADER,
62         R600_PIPE_STATE_VS_SHADER,
63         R600_PIPE_STATE_CONSTANT,
64         R600_PIPE_STATE_SAMPLER,
65         R600_PIPE_STATE_RESOURCE,
66         R600_PIPE_STATE_POLYGON_OFFSET,
67         R600_PIPE_STATE_FETCH_SHADER,
68         R600_PIPE_NSTATES
69 };
70
71 struct r600_screen {
72         struct pipe_screen              screen;
73         struct radeon                   *radeon;
74         struct r600_tiling_info         *tiling_info;
75         struct util_slab_mempool        pool_buffers;
76         unsigned                        num_contexts;
77
78         /* for thread-safe write accessing to num_contexts */
79         pipe_mutex                      mutex_num_contexts;
80 };
81
82 struct r600_pipe_sampler_view {
83         struct pipe_sampler_view        base;
84         struct r600_pipe_state          state;
85 };
86
87 struct r600_pipe_rasterizer {
88         struct r600_pipe_state          rstate;
89         bool                            flatshade;
90         unsigned                        sprite_coord_enable;
91         float                           offset_units;
92         float                           offset_scale;
93 };
94
95 struct r600_pipe_blend {
96         struct r600_pipe_state          rstate;
97         unsigned                        cb_target_mask;
98 };
99
100 struct r600_pipe_dsa {
101         struct r600_pipe_state          rstate;
102         unsigned                        alpha_ref;
103 };
104
105 struct r600_vertex_element
106 {
107         unsigned                        count;
108         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
109         struct u_vbuf_mgr_elements      *vmgr_elements;
110         struct r600_bo                  *fetch_shader;
111         unsigned                        fs_size;
112         struct r600_pipe_state          rstate;
113         /* if offset is to big for fetch instructio we need to alterate
114          * offset of vertex buffer, record here the offset need to add
115          */
116         unsigned                        vbuffer_need_offset;
117         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
118 };
119
120 struct r600_pipe_shader {
121         struct r600_shader              shader;
122         struct r600_pipe_state          rstate;
123         struct r600_bo                  *bo;
124         struct r600_bo                  *bo_fetch;
125         struct r600_vertex_element      vertex_elements;
126 };
127
128 /* needed for blitter save */
129 #define NUM_TEX_UNITS 16
130
131 struct r600_textures_info {
132         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
133         unsigned                        n_views;
134         void                            *samplers[NUM_TEX_UNITS];
135         unsigned                        n_samplers;
136 };
137
138 struct r600_fence {
139         struct pipe_reference           reference;
140         struct r600_pipe_context        *ctx;
141         unsigned                        index; /* in the shared bo */
142         struct list_head                head;
143 };
144
145 #define FENCE_BLOCK_SIZE 16
146
147 struct r600_fence_block {
148         struct r600_fence               fences[FENCE_BLOCK_SIZE];
149         struct list_head                head;
150 };
151
152 struct r600_pipe_fences {
153         struct r600_bo                  *bo;
154         unsigned                        *data;
155         unsigned                        next_index;
156         /* linked list of preallocated blocks */
157         struct list_head                blocks;
158         /* linked list of freed fences */
159         struct list_head                pool;
160 };
161
162 #define R600_CONSTANT_ARRAY_SIZE 256
163 #define R600_RESOURCE_ARRAY_SIZE 160
164
165 struct r600_pipe_context {
166         struct pipe_context             context;
167         struct blitter_context          *blitter;
168         unsigned                        family;
169         void                            *custom_dsa_flush;
170         struct r600_screen              *screen;
171         struct radeon                   *radeon;
172         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
173         struct r600_context             ctx;
174         struct r600_vertex_element      *vertex_elements;
175         struct r600_pipe_state          fs_resource[PIPE_MAX_ATTRIBS];
176         struct pipe_framebuffer_state   framebuffer;
177         struct pipe_index_buffer        index_buffer;
178         unsigned                        cb_target_mask;
179         /* for saving when using blitter */
180         struct pipe_stencil_ref         stencil_ref;
181         struct pipe_viewport_state      viewport;
182         struct pipe_clip_state          clip;
183         struct r600_pipe_state          config;
184         struct r600_pipe_shader         *ps_shader;
185         struct r600_pipe_shader         *vs_shader;
186         struct r600_pipe_state          vs_const_buffer;
187         struct r600_pipe_state          vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
188         struct r600_pipe_state          ps_const_buffer;
189         struct r600_pipe_state          ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
190         struct r600_pipe_rasterizer     *rasterizer;
191         /* shader information */
192         unsigned                        sprite_coord_enable;
193         bool                            flatshade;
194         bool                            export_16bpc;
195         unsigned                        alpha_ref;
196         bool                            alpha_ref_dirty;
197         struct r600_textures_info       ps_samplers;
198
199         struct r600_pipe_fences         fences;
200
201         struct u_vbuf_mgr               *vbuf_mgr;
202         struct util_slab_mempool        pool_transfers;
203         bool                            blit;
204
205 };
206
207 struct r600_drawl {
208         struct pipe_draw_info   info;
209         struct pipe_context     *ctx;
210         unsigned                index_size;
211         unsigned                index_buffer_offset;
212         struct pipe_resource    *index_buffer;
213 };
214
215 /* evergreen_state.c */
216 void evergreen_init_state_functions(struct r600_pipe_context *rctx);
217 void evergreen_init_config(struct r600_pipe_context *rctx);
218 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
219 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
220 void evergreen_fetch_shader(struct r600_vertex_element *ve);
221 void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
222 void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
223 void evergreen_pipe_set_buffer_resource(struct r600_pipe_context *rctx,
224                                         struct r600_pipe_state *rstate,
225                                         struct r600_resource *rbuffer,
226                                         unsigned offset, unsigned stride);
227
228 /* r600_blit.c */
229 void r600_init_blit_functions(struct r600_pipe_context *rctx);
230 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
231 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
232 void r600_flush_depth_textures(struct r600_pipe_context *rctx);
233
234 /* r600_buffer.c */
235 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
236                                          const struct pipe_resource *templ);
237 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
238                                               void *ptr, unsigned bytes,
239                                               unsigned bind);
240 struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
241                                               struct winsys_handle *whandle);
242 void r600_upload_index_buffer(struct r600_pipe_context *rctx, struct r600_drawl *draw);
243
244 /* r600_query.c */
245 void r600_init_query_functions(struct r600_pipe_context *rctx);
246
247 /* r600_resource.c */
248 void r600_init_context_resource_functions(struct r600_pipe_context *r600);
249
250 /* r600_shader.c */
251 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader, const struct tgsi_token *tokens);
252 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
253 int r600_find_vs_semantic_index(struct r600_shader *vs,
254                                 struct r600_shader *ps, int id);
255
256 /* r600_state.c */
257 void r600_init_state_functions(struct r600_pipe_context *rctx);
258 void r600_init_config(struct r600_pipe_context *rctx);
259 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
260 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
261 void r600_fetch_shader(struct r600_vertex_element *ve);
262 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
263 void r600_polygon_offset_update(struct r600_pipe_context *rctx);
264 void r600_pipe_set_buffer_resource(struct r600_pipe_context *rctx,
265                                    struct r600_pipe_state *rstate,
266                                    struct r600_resource *rbuffer,
267                                    unsigned offset, unsigned stride);
268
269 /* r600_texture.c */
270 void r600_init_screen_texture_functions(struct pipe_screen *screen);
271 void r600_init_surface_functions(struct r600_pipe_context *r600);
272 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
273                                   const unsigned char *swizzle_view,
274                                   uint32_t *word4_p, uint32_t *yuv_format_p);
275 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
276                                         unsigned level, unsigned layer);
277
278 /* r600_translate.c */
279 void r600_translate_index_buffer(struct r600_pipe_context *r600,
280                                  struct pipe_resource **index_buffer,
281                                  unsigned *index_size,
282                                  unsigned *start, unsigned count);
283
284 /* r600_state_common.c */
285 void r600_set_index_buffer(struct pipe_context *ctx,
286                            const struct pipe_index_buffer *ib);
287 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
288                              const struct pipe_vertex_buffer *buffers);
289 void *r600_create_vertex_elements(struct pipe_context *ctx,
290                                   unsigned count,
291                                   const struct pipe_vertex_element *elements);
292 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
293 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
294 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
295 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
296 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
297 void r600_sampler_view_destroy(struct pipe_context *ctx,
298                                struct pipe_sampler_view *state);
299 void r600_delete_state(struct pipe_context *ctx, void *state);
300 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
301 void *r600_create_shader_state(struct pipe_context *ctx,
302                                const struct pipe_shader_state *state);
303 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
304 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
305 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
306 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
307 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
308                               struct pipe_resource *buffer);
309 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
310
311 /*
312  * common helpers
313  */
314 static INLINE u32 S_FIXED(float value, u32 frac_bits)
315 {
316         return value * (1 << frac_bits);
317 }
318 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
319
320 #endif