2 * Copyright 2009 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 #include "draw/draw_context.h"
24 #include "draw/draw_vbuf.h"
26 #include "pipe/p_inlines.h"
28 #include "util/u_memory.h"
29 #include "util/u_prim.h"
32 #include "r300_context.h"
33 #include "r300_emit.h"
35 #include "r300_render.h"
36 #include "r300_state_derived.h"
38 /* r300_render: Vertex and index buffer primitive emission. */
39 #define R300_MAX_VBO_SIZE (1024 * 1024)
41 static uint32_t r300_translate_primitive(unsigned prim
)
44 case PIPE_PRIM_POINTS
:
45 return R300_VAP_VF_CNTL__PRIM_POINTS
;
47 return R300_VAP_VF_CNTL__PRIM_LINES
;
48 case PIPE_PRIM_LINE_LOOP
:
49 return R300_VAP_VF_CNTL__PRIM_LINE_LOOP
;
50 case PIPE_PRIM_LINE_STRIP
:
51 return R300_VAP_VF_CNTL__PRIM_LINE_STRIP
;
52 case PIPE_PRIM_TRIANGLES
:
53 return R300_VAP_VF_CNTL__PRIM_TRIANGLES
;
54 case PIPE_PRIM_TRIANGLE_STRIP
:
55 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP
;
56 case PIPE_PRIM_TRIANGLE_FAN
:
57 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN
;
59 return R300_VAP_VF_CNTL__PRIM_QUADS
;
60 case PIPE_PRIM_QUAD_STRIP
:
61 return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP
;
62 case PIPE_PRIM_POLYGON
:
63 return R300_VAP_VF_CNTL__PRIM_POLYGON
;
69 /* This is the fast-path drawing & emission for HW TCL. */
70 boolean
r300_draw_range_elements(struct pipe_context
* pipe
,
71 struct pipe_buffer
* indexBuffer
,
79 struct r300_context
* r300
= r300_context(pipe
);
80 uint32_t prim
= r300_translate_primitive(mode
);
81 struct pipe_vertex_buffer
* aos
= r300
->vertex_buffers
;
82 unsigned aos_count
= r300
->vertex_buffer_count
;
90 if (!u_trim_pipe_prim(mode
, &count
)) {
95 for (i
= 0; i
< aos_count
; i
++) {
96 if (!r300
->winsys
->add_buffer(r300
->winsys
, aos
[i
].buffer
,
97 RADEON_GEM_DOMAIN_GTT
, 0)) {
98 pipe
->flush(pipe
, 0, NULL
);
102 if (!r300
->winsys
->validate(r300
->winsys
)) {
103 pipe
->flush(pipe
, 0, NULL
);
106 debug_printf("r300: Stuck in validation loop, gonna quit now.");
113 r300_emit_dirty_state(r300
);
115 packet_size
= (aos_count
>> 1) * 3 + (aos_count
& 1) * 2;
117 BEGIN_CS(3 + packet_size
+ (aos_count
* 2));
118 OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR
, packet_size
);
120 for (i
= 0; i
< aos_count
- 1; i
+= 2) {
121 OUT_CS(aos
[i
].stride
|
122 (aos
[i
].stride
<< 8) |
123 (aos
[i
+ 1].stride
<< 16) |
124 (aos
[i
+ 1].stride
<< 24));
125 OUT_CS(aos
[i
].buffer_offset
+ start
* 4 * aos
[i
].stride
);
126 OUT_CS(aos
[i
+ 1].buffer_offset
+ start
* 4 * aos
[i
+ 1].stride
);
129 OUT_CS(aos
[i
].stride
| (aos
[i
].stride
<< 8));
130 OUT_CS(aos
[i
].buffer_offset
+ start
* 4 * aos
[i
].stride
);
132 for (i
= 0; i
< aos_count
; i
++) {
133 OUT_CS_RELOC(aos
[i
].buffer
, 0, RADEON_GEM_DOMAIN_GTT
, 0, 0);
138 indices
= (short*)pipe_buffer_map(pipe
->screen
, indexBuffer
,
139 PIPE_BUFFER_USAGE_CPU_READ
);
141 /* Set the starting point. */
144 BEGIN_CS(2 + (count
+1)/2);
145 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2
, (count
+ 1)/2);
146 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES
| (count
<< 16) | prim
);
147 for (i
= 0; i
< count
- 1; i
+= 2) {
148 OUT_CS(indices
[i
+ 1] << 16 | indices
[i
]);
151 OUT_CS(indices
[count
- 1]);
156 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2
, 0);
157 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST
| (count
<< 16) |
165 /* Simple helpers for context setup. Should probably be moved to util. */
166 boolean
r300_draw_elements(struct pipe_context
* pipe
,
167 struct pipe_buffer
* indexBuffer
,
168 unsigned indexSize
, unsigned mode
,
169 unsigned start
, unsigned count
)
171 return pipe
->draw_range_elements(pipe
, indexBuffer
, indexSize
, 0, ~0,
175 boolean
r300_draw_arrays(struct pipe_context
* pipe
, unsigned mode
,
176 unsigned start
, unsigned count
)
178 return pipe
->draw_elements(pipe
, NULL
, 0, mode
, start
, count
);
181 /****************************************************************************
182 * The rest of this file is for SW TCL rendering only. Please be polite and *
183 * keep these functions separated so that they are easier to locate. ~C. *
184 ***************************************************************************/
186 /* Draw-based drawing for SW TCL chipsets. */
187 boolean
r300_swtcl_draw_range_elements(struct pipe_context
* pipe
,
188 struct pipe_buffer
* indexBuffer
,
196 struct r300_context
* r300
= r300_context(pipe
);
199 if (!u_trim_pipe_prim(mode
, &count
)) {
203 for (i
= 0; i
< r300
->vertex_buffer_count
; i
++) {
204 void* buf
= pipe_buffer_map(pipe
->screen
,
205 r300
->vertex_buffers
[i
].buffer
,
206 PIPE_BUFFER_USAGE_CPU_READ
);
207 draw_set_mapped_vertex_buffer(r300
->draw
, i
, buf
);
211 void* indices
= pipe_buffer_map(pipe
->screen
, indexBuffer
,
212 PIPE_BUFFER_USAGE_CPU_READ
);
213 draw_set_mapped_element_buffer_range(r300
->draw
, indexSize
,
214 minIndex
, maxIndex
, indices
);
216 draw_set_mapped_element_buffer(r300
->draw
, 0, NULL
);
219 draw_set_mapped_constant_buffer(r300
->draw
,
220 r300
->shader_constants
[PIPE_SHADER_VERTEX
].constants
,
221 r300
->shader_constants
[PIPE_SHADER_VERTEX
].count
*
222 (sizeof(float) * 4));
224 draw_arrays(r300
->draw
, mode
, start
, count
);
226 for (i
= 0; i
< r300
->vertex_buffer_count
; i
++) {
227 pipe_buffer_unmap(pipe
->screen
, r300
->vertex_buffers
[i
].buffer
);
228 draw_set_mapped_vertex_buffer(r300
->draw
, i
, NULL
);
232 pipe_buffer_unmap(pipe
->screen
, indexBuffer
);
233 draw_set_mapped_element_buffer_range(r300
->draw
, 0, start
,
234 start
+ count
- 1, NULL
);
240 /* Object for rendering using Draw. */
243 struct vbuf_render base
;
246 struct r300_context
* r300
;
248 /* Vertex information */
254 struct pipe_buffer
* vbo
;
261 static INLINE
struct r300_render
*
262 r300_render(struct vbuf_render
* render
)
264 return (struct r300_render
*)render
;
267 static const struct vertex_info
*
268 r300_render_get_vertex_info(struct vbuf_render
* render
)
270 struct r300_render
* r300render
= r300_render(render
);
271 struct r300_context
* r300
= r300render
->r300
;
273 r300_update_derived_state(r300
);
275 return &r300
->vertex_info
->vinfo
;
278 static boolean
r300_render_allocate_vertices(struct vbuf_render
* render
,
282 struct r300_render
* r300render
= r300_render(render
);
283 struct r300_context
* r300
= r300render
->r300
;
284 struct pipe_screen
* screen
= r300
->context
.screen
;
285 size_t size
= (size_t)vertex_size
* (size_t)count
;
287 if (size
+ r300render
->vbo_offset
> r300render
->vbo_size
)
289 pipe_buffer_reference(&r300
->vbo
, NULL
);
290 r300render
->vbo
= pipe_buffer_create(screen
,
292 PIPE_BUFFER_USAGE_VERTEX
,
294 r300render
->vbo_offset
= 0;
295 r300render
->vbo_size
= R300_MAX_VBO_SIZE
;
298 r300render
->vertex_size
= vertex_size
;
299 r300
->vbo
= r300render
->vbo
;
300 r300
->vbo_offset
= r300render
->vbo_offset
;
302 return (r300render
->vbo
) ? TRUE
: FALSE
;
305 static void* r300_render_map_vertices(struct vbuf_render
* render
)
307 struct r300_render
* r300render
= r300_render(render
);
308 struct pipe_screen
* screen
= r300render
->r300
->context
.screen
;
310 r300render
->vbo_ptr
= pipe_buffer_map(screen
, r300render
->vbo
,
311 PIPE_BUFFER_USAGE_CPU_WRITE
);
313 return (r300render
->vbo_ptr
+ r300render
->vbo_offset
);
316 static void r300_render_unmap_vertices(struct vbuf_render
* render
,
320 struct r300_render
* r300render
= r300_render(render
);
321 struct pipe_screen
* screen
= r300render
->r300
->context
.screen
;
322 CS_LOCALS(r300render
->r300
);
324 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX
, max
);
327 r300render
->vbo_max_used
= MAX2(r300render
->vbo_max_used
,
328 r300render
->vertex_size
* (max
+ 1));
329 pipe_buffer_unmap(screen
, r300render
->vbo
);
332 static void r300_render_release_vertices(struct vbuf_render
* render
)
334 struct r300_render
* r300render
= r300_render(render
);
336 r300render
->vbo_offset
+= r300render
->vbo_max_used
;
337 r300render
->vbo_max_used
= 0;
340 static boolean
r300_render_set_primitive(struct vbuf_render
* render
,
343 struct r300_render
* r300render
= r300_render(render
);
345 r300render
->prim
= prim
;
346 r300render
->hwprim
= r300_translate_primitive(prim
);
351 static void r300_render_draw_arrays(struct vbuf_render
* render
,
355 struct r300_render
* r300render
= r300_render(render
);
356 struct r300_context
* r300
= r300render
->r300
;
360 r300_emit_dirty_state(r300
);
362 DBG(r300
, DBG_DRAW
, "r300: Doing vbuf render, count %d\n", count
);
365 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2
, 0);
366 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST
| (count
<< 16) |
371 static void r300_render_draw(struct vbuf_render
* render
,
372 const ushort
* indices
,
375 struct r300_render
* r300render
= r300_render(render
);
376 struct r300_context
* r300
= r300render
->r300
;
381 r300_emit_dirty_state(r300
);
383 BEGIN_CS(2 + (count
+1)/2);
384 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2
, (count
+1)/2);
385 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES
| (count
<< 16) |
387 for (i
= 0; i
< count
-1; i
+= 2) {
388 OUT_CS(indices
[i
+1] << 16 | indices
[i
]);
391 OUT_CS(indices
[count
-1]);
396 static void r300_render_destroy(struct vbuf_render
* render
)
401 static struct vbuf_render
* r300_render_create(struct r300_context
* r300
)
403 struct r300_render
* r300render
= CALLOC_STRUCT(r300_render
);
405 r300render
->r300
= r300
;
407 /* XXX find real numbers plz */
408 r300render
->base
.max_vertex_buffer_bytes
= 128 * 1024;
409 r300render
->base
.max_indices
= 16 * 1024;
411 r300render
->base
.get_vertex_info
= r300_render_get_vertex_info
;
412 r300render
->base
.allocate_vertices
= r300_render_allocate_vertices
;
413 r300render
->base
.map_vertices
= r300_render_map_vertices
;
414 r300render
->base
.unmap_vertices
= r300_render_unmap_vertices
;
415 r300render
->base
.set_primitive
= r300_render_set_primitive
;
416 r300render
->base
.draw
= r300_render_draw
;
417 r300render
->base
.draw_arrays
= r300_render_draw_arrays
;
418 r300render
->base
.release_vertices
= r300_render_release_vertices
;
419 r300render
->base
.destroy
= r300_render_destroy
;
421 r300render
->vbo
= NULL
;
422 r300render
->vbo_size
= 0;
423 r300render
->vbo_offset
= 0;
425 return &r300render
->base
;
428 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
)
430 struct vbuf_render
* render
;
431 struct draw_stage
* stage
;
433 render
= r300_render_create(r300
);
439 stage
= draw_vbuf_stage(r300
->draw
, render
);
442 render
->destroy(render
);
446 draw_set_render(r300
->draw
, render
);