1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
32 #include "util/u_prim.h"
33 #include "util/u_format.h"
35 #include "freedreno_draw.h"
36 #include "freedreno_context.h"
37 #include "freedreno_state.h"
38 #include "freedreno_resource.h"
39 #include "freedreno_query_hw.h"
40 #include "freedreno_util.h"
43 resource_used(struct fd_context
*ctx
, struct pipe_resource
*prsc
,
44 enum fd_resource_status status
)
46 struct fd_resource
*rsc
;
51 rsc
= fd_resource(prsc
);
52 rsc
->status
|= status
;
54 rsc
->stencil
->status
|= status
;
56 /* TODO resources can actually be shared across contexts,
57 * so I'm not sure a single list-head will do the trick?
59 debug_assert((rsc
->pending_ctx
== ctx
) || !rsc
->pending_ctx
);
60 list_delinit(&rsc
->list
);
61 list_addtail(&rsc
->list
, &ctx
->used_resources
);
62 rsc
->pending_ctx
= ctx
;
66 resource_read(struct fd_context
*ctx
, struct pipe_resource
*prsc
)
68 resource_used(ctx
, prsc
, FD_PENDING_READ
);
72 resource_written(struct fd_context
*ctx
, struct pipe_resource
*prsc
)
74 resource_used(ctx
, prsc
, FD_PENDING_WRITE
);
78 fd_draw_vbo(struct pipe_context
*pctx
, const struct pipe_draw_info
*info
)
80 struct fd_context
*ctx
= fd_context(pctx
);
81 struct pipe_framebuffer_state
*pfb
= &ctx
->framebuffer
;
82 struct pipe_scissor_state
*scissor
= fd_context_get_scissor(ctx
);
83 unsigned i
, prims
, buffers
= 0;
85 /* if we supported transform feedback, we'd have to disable this: */
86 if (((scissor
->maxx
- scissor
->minx
) *
87 (scissor
->maxy
- scissor
->miny
)) == 0) {
91 /* TODO: push down the region versions into the tiles */
92 if (!fd_render_condition_check(pctx
))
95 /* emulate unsupported primitives: */
96 if (!fd_supported_prim(ctx
, info
->mode
)) {
97 if (ctx
->streamout
.num_targets
> 0)
98 debug_error("stream-out with emulated prims");
99 util_primconvert_save_index_buffer(ctx
->primconvert
, &ctx
->indexbuf
);
100 util_primconvert_save_rasterizer_state(ctx
->primconvert
, ctx
->rasterizer
);
101 util_primconvert_draw_vbo(ctx
->primconvert
, info
);
105 ctx
->needs_flush
= true;
108 * Figure out the buffers/features we need:
111 if (fd_depth_enabled(ctx
)) {
112 buffers
|= FD_BUFFER_DEPTH
;
113 resource_written(ctx
, pfb
->zsbuf
->texture
);
114 ctx
->gmem_reason
|= FD_GMEM_DEPTH_ENABLED
;
117 if (fd_stencil_enabled(ctx
)) {
118 buffers
|= FD_BUFFER_STENCIL
;
119 resource_written(ctx
, pfb
->zsbuf
->texture
);
120 ctx
->gmem_reason
|= FD_GMEM_STENCIL_ENABLED
;
123 if (fd_logicop_enabled(ctx
))
124 ctx
->gmem_reason
|= FD_GMEM_LOGICOP_ENABLED
;
126 for (i
= 0; i
< pfb
->nr_cbufs
; i
++) {
127 struct pipe_resource
*surf
;
132 surf
= pfb
->cbufs
[i
]->texture
;
134 resource_written(ctx
, surf
);
135 buffers
|= PIPE_CLEAR_COLOR0
<< i
;
137 if (surf
->nr_samples
> 1)
138 ctx
->gmem_reason
|= FD_GMEM_MSAA_ENABLED
;
140 if (fd_blend_enabled(ctx
, i
))
141 ctx
->gmem_reason
|= FD_GMEM_BLEND_ENABLED
;
144 /* Skip over buffer 0, that is sent along with the command stream */
145 for (i
= 1; i
< PIPE_MAX_CONSTANT_BUFFERS
; i
++) {
146 resource_read(ctx
, ctx
->constbuf
[PIPE_SHADER_VERTEX
].cb
[i
].buffer
);
147 resource_read(ctx
, ctx
->constbuf
[PIPE_SHADER_FRAGMENT
].cb
[i
].buffer
);
150 /* Mark VBOs as being read */
151 for (i
= 0; i
< ctx
->vtx
.vertexbuf
.count
; i
++) {
152 assert(!ctx
->vtx
.vertexbuf
.vb
[i
].user_buffer
);
153 resource_read(ctx
, ctx
->vtx
.vertexbuf
.vb
[i
].buffer
);
156 /* Mark index buffer as being read */
157 resource_read(ctx
, ctx
->indexbuf
.buffer
);
159 /* Mark textures as being read */
160 for (i
= 0; i
< ctx
->verttex
.num_textures
; i
++)
161 if (ctx
->verttex
.textures
[i
])
162 resource_read(ctx
, ctx
->verttex
.textures
[i
]->texture
);
163 for (i
= 0; i
< ctx
->fragtex
.num_textures
; i
++)
164 if (ctx
->fragtex
.textures
[i
])
165 resource_read(ctx
, ctx
->fragtex
.textures
[i
]->texture
);
167 /* Mark streamout buffers as being written.. */
168 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
169 if (ctx
->streamout
.targets
[i
])
170 resource_written(ctx
, ctx
->streamout
.targets
[i
]->buffer
);
174 prims
= u_reduced_prims_for_vertices(info
->mode
, info
->count
);
176 ctx
->stats
.draw_calls
++;
178 /* TODO prims_emitted should be clipped when the stream-out buffer is
179 * not large enough. See max_tf_vtx().. probably need to move that
180 * into common code. Although a bit more annoying since a2xx doesn't
181 * use ir3 so no common way to get at the pipe_stream_output_info
182 * which is needed for this calculation.
184 if (ctx
->streamout
.num_targets
> 0)
185 ctx
->stats
.prims_emitted
+= prims
;
186 ctx
->stats
.prims_generated
+= prims
;
188 /* any buffers that haven't been cleared yet, we need to restore: */
189 ctx
->restore
|= buffers
& (FD_BUFFER_ALL
& ~ctx
->cleared
);
190 /* and any buffers used, need to be resolved: */
191 ctx
->resolve
|= buffers
;
193 DBG("%x num_draws=%u (%s/%s)", buffers
, ctx
->num_draws
,
194 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
195 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
197 fd_hw_query_set_stage(ctx
, ctx
->ring
, FD_STAGE_DRAW
);
198 ctx
->draw_vbo(ctx
, info
);
200 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
201 ctx
->streamout
.offsets
[i
] += info
->count
;
203 if (fd_mesa_debug
& FD_DBG_DDRAW
)
204 ctx
->dirty
= 0xffffffff;
206 /* if an app (or, well, piglit test) does many thousands of draws
207 * without flush (or anything which implicitly flushes, like
208 * changing render targets), we can exceed the ringbuffer size.
209 * Since we don't currently have a sane way to wrapparound, and
210 * we use the same buffer for both draw and tiling commands, for
211 * now we need to do this hack and trigger flush if we are running
212 * low on remaining space for cmds:
214 if (((ctx
->ring
->cur
- ctx
->ring
->start
) >
215 (ctx
->ring
->size
/4 - FD_TILING_COMMANDS_DWORDS
)) ||
216 (fd_mesa_debug
& FD_DBG_FLUSH
))
217 fd_context_render(pctx
);
220 /* TODO figure out how to make better use of existing state mechanism
221 * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep
222 * track of what state really actually changes, and (b) reduce the code
223 * in the a2xx/a3xx parts.
227 fd_clear(struct pipe_context
*pctx
, unsigned buffers
,
228 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
230 struct fd_context
*ctx
= fd_context(pctx
);
231 struct pipe_framebuffer_state
*pfb
= &ctx
->framebuffer
;
232 struct pipe_scissor_state
*scissor
= fd_context_get_scissor(ctx
);
233 unsigned cleared_buffers
;
236 /* TODO: push down the region versions into the tiles */
237 if (!fd_render_condition_check(pctx
))
240 /* for bookkeeping about which buffers have been cleared (and thus
241 * can fully or partially skip mem2gmem) we need to ignore buffers
242 * that have already had a draw, in case apps do silly things like
243 * clear after draw (ie. if you only clear the color buffer, but
244 * something like alpha-test causes side effects from the draw in
245 * the depth buffer, etc)
247 cleared_buffers
= buffers
& (FD_BUFFER_ALL
& ~ctx
->restore
);
249 /* do we have full-screen scissor? */
250 if (!memcmp(scissor
, &ctx
->disabled_scissor
, sizeof(*scissor
))) {
251 ctx
->cleared
|= cleared_buffers
;
253 ctx
->partial_cleared
|= cleared_buffers
;
254 if (cleared_buffers
& PIPE_CLEAR_COLOR
)
255 ctx
->cleared_scissor
.color
= *scissor
;
256 if (cleared_buffers
& PIPE_CLEAR_DEPTH
)
257 ctx
->cleared_scissor
.depth
= *scissor
;
258 if (cleared_buffers
& PIPE_CLEAR_STENCIL
)
259 ctx
->cleared_scissor
.stencil
= *scissor
;
261 ctx
->resolve
|= buffers
;
262 ctx
->needs_flush
= true;
264 if (buffers
& PIPE_CLEAR_COLOR
)
265 for (i
= 0; i
< pfb
->nr_cbufs
; i
++)
266 if (buffers
& (PIPE_CLEAR_COLOR0
<< i
))
267 resource_written(ctx
, pfb
->cbufs
[i
]->texture
);
269 if (buffers
& (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
)) {
270 resource_written(ctx
, pfb
->zsbuf
->texture
);
271 ctx
->gmem_reason
|= FD_GMEM_CLEARS_DEPTH_STENCIL
;
274 DBG("%x depth=%f, stencil=%u (%s/%s)", buffers
, depth
, stencil
,
275 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
276 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
278 fd_hw_query_set_stage(ctx
, ctx
->ring
, FD_STAGE_CLEAR
);
280 ctx
->clear(ctx
, buffers
, color
, depth
, stencil
);
282 ctx
->dirty
|= FD_DIRTY_ZSA
|
284 FD_DIRTY_RASTERIZER
|
285 FD_DIRTY_SAMPLE_MASK
|
289 FD_DIRTY_FRAMEBUFFER
;
291 if (fd_mesa_debug
& FD_DBG_DCLEAR
)
292 ctx
->dirty
= 0xffffffff;
296 fd_clear_render_target(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
297 const union pipe_color_union
*color
,
298 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
300 DBG("TODO: x=%u, y=%u, w=%u, h=%u", x
, y
, w
, h
);
304 fd_clear_depth_stencil(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
305 unsigned buffers
, double depth
, unsigned stencil
,
306 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
308 DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u",
309 buffers
, depth
, stencil
, x
, y
, w
, h
);
313 fd_draw_init(struct pipe_context
*pctx
)
315 list_inithead(&fd_context(pctx
)->used_resources
);
317 pctx
->draw_vbo
= fd_draw_vbo
;
318 pctx
->clear
= fd_clear
;
319 pctx
->clear_render_target
= fd_clear_render_target
;
320 pctx
->clear_depth_stencil
= fd_clear_depth_stencil
;