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 /* emulate unsupported primitives: */
92 if (!fd_supported_prim(ctx
, info
->mode
)) {
93 if (ctx
->streamout
.num_targets
> 0)
94 debug_error("stream-out with emulated prims");
95 util_primconvert_save_index_buffer(ctx
->primconvert
, &ctx
->indexbuf
);
96 util_primconvert_save_rasterizer_state(ctx
->primconvert
, ctx
->rasterizer
);
97 util_primconvert_draw_vbo(ctx
->primconvert
, info
);
101 ctx
->needs_flush
= true;
104 * Figure out the buffers/features we need:
107 if (fd_depth_enabled(ctx
)) {
108 buffers
|= FD_BUFFER_DEPTH
;
109 resource_written(ctx
, pfb
->zsbuf
->texture
);
110 ctx
->gmem_reason
|= FD_GMEM_DEPTH_ENABLED
;
113 if (fd_stencil_enabled(ctx
)) {
114 buffers
|= FD_BUFFER_STENCIL
;
115 resource_written(ctx
, pfb
->zsbuf
->texture
);
116 ctx
->gmem_reason
|= FD_GMEM_STENCIL_ENABLED
;
119 if (fd_logicop_enabled(ctx
))
120 ctx
->gmem_reason
|= FD_GMEM_LOGICOP_ENABLED
;
122 for (i
= 0; i
< pfb
->nr_cbufs
; i
++) {
123 struct pipe_resource
*surf
;
128 surf
= pfb
->cbufs
[i
]->texture
;
130 resource_written(ctx
, surf
);
131 buffers
|= PIPE_CLEAR_COLOR0
<< i
;
133 if (surf
->nr_samples
> 1)
134 ctx
->gmem_reason
|= FD_GMEM_MSAA_ENABLED
;
136 if (fd_blend_enabled(ctx
, i
))
137 ctx
->gmem_reason
|= FD_GMEM_BLEND_ENABLED
;
140 /* Skip over buffer 0, that is sent along with the command stream */
141 for (i
= 1; i
< PIPE_MAX_CONSTANT_BUFFERS
; i
++) {
142 resource_read(ctx
, ctx
->constbuf
[PIPE_SHADER_VERTEX
].cb
[i
].buffer
);
143 resource_read(ctx
, ctx
->constbuf
[PIPE_SHADER_FRAGMENT
].cb
[i
].buffer
);
146 /* Mark VBOs as being read */
147 for (i
= 0; i
< ctx
->vtx
.vertexbuf
.count
; i
++) {
148 assert(!ctx
->vtx
.vertexbuf
.vb
[i
].user_buffer
);
149 resource_read(ctx
, ctx
->vtx
.vertexbuf
.vb
[i
].buffer
);
152 /* Mark index buffer as being read */
153 resource_read(ctx
, ctx
->indexbuf
.buffer
);
155 /* Mark textures as being read */
156 for (i
= 0; i
< ctx
->verttex
.num_textures
; i
++)
157 if (ctx
->verttex
.textures
[i
])
158 resource_read(ctx
, ctx
->verttex
.textures
[i
]->texture
);
159 for (i
= 0; i
< ctx
->fragtex
.num_textures
; i
++)
160 if (ctx
->fragtex
.textures
[i
])
161 resource_read(ctx
, ctx
->fragtex
.textures
[i
]->texture
);
163 /* Mark streamout buffers as being written.. */
164 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
165 if (ctx
->streamout
.targets
[i
])
166 resource_written(ctx
, ctx
->streamout
.targets
[i
]->buffer
);
170 prims
= u_reduced_prims_for_vertices(info
->mode
, info
->count
);
172 ctx
->stats
.draw_calls
++;
173 ctx
->stats
.prims_emitted
+= prims
;
175 /* any buffers that haven't been cleared yet, we need to restore: */
176 ctx
->restore
|= buffers
& (FD_BUFFER_ALL
& ~ctx
->cleared
);
177 /* and any buffers used, need to be resolved: */
178 ctx
->resolve
|= buffers
;
180 DBG("%x num_draws=%u (%s/%s)", buffers
, ctx
->num_draws
,
181 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
182 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
184 fd_hw_query_set_stage(ctx
, ctx
->ring
, FD_STAGE_DRAW
);
185 ctx
->draw_vbo(ctx
, info
);
187 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
188 ctx
->streamout
.offsets
[i
] += prims
;
190 if (fd_mesa_debug
& FD_DBG_DDRAW
)
191 ctx
->dirty
= 0xffffffff;
193 /* if an app (or, well, piglit test) does many thousands of draws
194 * without flush (or anything which implicitly flushes, like
195 * changing render targets), we can exceed the ringbuffer size.
196 * Since we don't currently have a sane way to wrapparound, and
197 * we use the same buffer for both draw and tiling commands, for
198 * now we need to do this hack and trigger flush if we are running
199 * low on remaining space for cmds:
201 if (((ctx
->ring
->cur
- ctx
->ring
->start
) >
202 (ctx
->ring
->size
/4 - FD_TILING_COMMANDS_DWORDS
)) ||
203 (fd_mesa_debug
& FD_DBG_FLUSH
))
204 fd_context_render(pctx
);
207 /* TODO figure out how to make better use of existing state mechanism
208 * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep
209 * track of what state really actually changes, and (b) reduce the code
210 * in the a2xx/a3xx parts.
214 fd_clear(struct pipe_context
*pctx
, unsigned buffers
,
215 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
217 struct fd_context
*ctx
= fd_context(pctx
);
218 struct pipe_framebuffer_state
*pfb
= &ctx
->framebuffer
;
219 struct pipe_scissor_state
*scissor
= fd_context_get_scissor(ctx
);
220 unsigned cleared_buffers
;
223 /* for bookkeeping about which buffers have been cleared (and thus
224 * can fully or partially skip mem2gmem) we need to ignore buffers
225 * that have already had a draw, in case apps do silly things like
226 * clear after draw (ie. if you only clear the color buffer, but
227 * something like alpha-test causes side effects from the draw in
228 * the depth buffer, etc)
230 cleared_buffers
= buffers
& (FD_BUFFER_ALL
& ~ctx
->restore
);
232 /* do we have full-screen scissor? */
233 if (!memcmp(scissor
, &ctx
->disabled_scissor
, sizeof(*scissor
))) {
234 ctx
->cleared
|= cleared_buffers
;
236 ctx
->partial_cleared
|= cleared_buffers
;
237 if (cleared_buffers
& PIPE_CLEAR_COLOR
)
238 ctx
->cleared_scissor
.color
= *scissor
;
239 if (cleared_buffers
& PIPE_CLEAR_DEPTH
)
240 ctx
->cleared_scissor
.depth
= *scissor
;
241 if (cleared_buffers
& PIPE_CLEAR_STENCIL
)
242 ctx
->cleared_scissor
.stencil
= *scissor
;
244 ctx
->resolve
|= buffers
;
245 ctx
->needs_flush
= true;
247 if (buffers
& PIPE_CLEAR_COLOR
)
248 for (i
= 0; i
< pfb
->nr_cbufs
; i
++)
249 if (buffers
& (PIPE_CLEAR_COLOR0
<< i
))
250 resource_written(ctx
, pfb
->cbufs
[i
]->texture
);
252 if (buffers
& (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
)) {
253 resource_written(ctx
, pfb
->zsbuf
->texture
);
254 ctx
->gmem_reason
|= FD_GMEM_CLEARS_DEPTH_STENCIL
;
257 DBG("%x depth=%f, stencil=%u (%s/%s)", buffers
, depth
, stencil
,
258 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
259 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
261 fd_hw_query_set_stage(ctx
, ctx
->ring
, FD_STAGE_CLEAR
);
263 ctx
->clear(ctx
, buffers
, color
, depth
, stencil
);
265 ctx
->dirty
|= FD_DIRTY_ZSA
|
267 FD_DIRTY_RASTERIZER
|
268 FD_DIRTY_SAMPLE_MASK
|
272 FD_DIRTY_FRAMEBUFFER
;
274 if (fd_mesa_debug
& FD_DBG_DCLEAR
)
275 ctx
->dirty
= 0xffffffff;
279 fd_clear_render_target(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
280 const union pipe_color_union
*color
,
281 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
283 DBG("TODO: x=%u, y=%u, w=%u, h=%u", x
, y
, w
, h
);
287 fd_clear_depth_stencil(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
288 unsigned buffers
, double depth
, unsigned stencil
,
289 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
291 DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u",
292 buffers
, depth
, stencil
, x
, y
, w
, h
);
296 fd_draw_init(struct pipe_context
*pctx
)
298 list_inithead(&fd_context(pctx
)->used_resources
);
300 pctx
->draw_vbo
= fd_draw_vbo
;
301 pctx
->clear
= fd_clear
;
302 pctx
->clear_render_target
= fd_clear_render_target
;
303 pctx
->clear_depth_stencil
= fd_clear_depth_stencil
;