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"
34 #include "util/u_helpers.h"
36 #include "freedreno_draw.h"
37 #include "freedreno_context.h"
38 #include "freedreno_state.h"
39 #include "freedreno_resource.h"
40 #include "freedreno_query_hw.h"
41 #include "freedreno_util.h"
44 resource_read(struct fd_batch
*batch
, struct pipe_resource
*prsc
)
48 fd_batch_resource_used(batch
, fd_resource(prsc
), false);
52 resource_written(struct fd_batch
*batch
, struct pipe_resource
*prsc
)
56 fd_batch_resource_used(batch
, fd_resource(prsc
), true);
60 fd_draw_vbo(struct pipe_context
*pctx
, const struct pipe_draw_info
*info
)
62 struct fd_context
*ctx
= fd_context(pctx
);
63 struct fd_batch
*batch
= ctx
->batch
;
64 struct pipe_framebuffer_state
*pfb
= &batch
->framebuffer
;
65 struct pipe_scissor_state
*scissor
= fd_context_get_scissor(ctx
);
66 unsigned i
, prims
, buffers
= 0;
68 /* if we supported transform feedback, we'd have to disable this: */
69 if (((scissor
->maxx
- scissor
->minx
) *
70 (scissor
->maxy
- scissor
->miny
)) == 0) {
74 /* TODO: push down the region versions into the tiles */
75 if (!fd_render_condition_check(pctx
))
78 /* emulate unsupported primitives: */
79 if (!fd_supported_prim(ctx
, info
->mode
)) {
80 if (ctx
->streamout
.num_targets
> 0)
81 debug_error("stream-out with emulated prims");
82 util_primconvert_save_index_buffer(ctx
->primconvert
, &ctx
->indexbuf
);
83 util_primconvert_save_rasterizer_state(ctx
->primconvert
, ctx
->rasterizer
);
84 util_primconvert_draw_vbo(ctx
->primconvert
, info
);
88 /* Upload a user index buffer. */
89 struct pipe_index_buffer ibuffer_saved
= {};
90 if (info
->indexed
&& ctx
->indexbuf
.user_buffer
&&
91 !util_save_and_upload_index_buffer(pctx
, info
, &ctx
->indexbuf
,
97 fd_batch_reset(batch
);
101 batch
->blit
= ctx
->in_blit
;
102 batch
->back_blit
= ctx
->in_shadow
;
104 /* NOTE: needs to be before resource_written(batch->query_buf), otherwise
105 * query_buf may not be created yet.
107 fd_hw_query_set_stage(batch
, batch
->draw
, FD_STAGE_DRAW
);
110 * Figure out the buffers/features we need:
113 pipe_mutex_lock(ctx
->screen
->lock
);
115 if (fd_depth_enabled(ctx
)) {
116 buffers
|= FD_BUFFER_DEPTH
;
117 resource_written(batch
, pfb
->zsbuf
->texture
);
118 batch
->gmem_reason
|= FD_GMEM_DEPTH_ENABLED
;
121 if (fd_stencil_enabled(ctx
)) {
122 buffers
|= FD_BUFFER_STENCIL
;
123 resource_written(batch
, pfb
->zsbuf
->texture
);
124 batch
->gmem_reason
|= FD_GMEM_STENCIL_ENABLED
;
127 if (fd_logicop_enabled(ctx
))
128 batch
->gmem_reason
|= FD_GMEM_LOGICOP_ENABLED
;
130 for (i
= 0; i
< pfb
->nr_cbufs
; i
++) {
131 struct pipe_resource
*surf
;
136 surf
= pfb
->cbufs
[i
]->texture
;
138 resource_written(batch
, surf
);
139 buffers
|= PIPE_CLEAR_COLOR0
<< i
;
141 if (surf
->nr_samples
> 1)
142 batch
->gmem_reason
|= FD_GMEM_MSAA_ENABLED
;
144 if (fd_blend_enabled(ctx
, i
))
145 batch
->gmem_reason
|= FD_GMEM_BLEND_ENABLED
;
148 foreach_bit(i
, ctx
->constbuf
[PIPE_SHADER_VERTEX
].enabled_mask
)
149 resource_read(batch
, ctx
->constbuf
[PIPE_SHADER_VERTEX
].cb
[i
].buffer
);
150 foreach_bit(i
, ctx
->constbuf
[PIPE_SHADER_FRAGMENT
].enabled_mask
)
151 resource_read(batch
, ctx
->constbuf
[PIPE_SHADER_FRAGMENT
].cb
[i
].buffer
);
153 /* Mark VBOs as being read */
154 foreach_bit(i
, ctx
->vtx
.vertexbuf
.enabled_mask
) {
155 assert(!ctx
->vtx
.vertexbuf
.vb
[i
].user_buffer
);
156 resource_read(batch
, ctx
->vtx
.vertexbuf
.vb
[i
].buffer
);
159 /* Mark index buffer as being read */
160 resource_read(batch
, ctx
->indexbuf
.buffer
);
162 /* Mark textures as being read */
163 foreach_bit(i
, ctx
->verttex
.valid_textures
)
164 resource_read(batch
, ctx
->verttex
.textures
[i
]->texture
);
165 foreach_bit(i
, ctx
->fragtex
.valid_textures
)
166 resource_read(batch
, ctx
->fragtex
.textures
[i
]->texture
);
168 /* Mark streamout buffers as being written.. */
169 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
170 if (ctx
->streamout
.targets
[i
])
171 resource_written(batch
, ctx
->streamout
.targets
[i
]->buffer
);
173 resource_written(batch
, batch
->query_buf
);
175 pipe_mutex_unlock(ctx
->screen
->lock
);
179 prims
= u_reduced_prims_for_vertices(info
->mode
, info
->count
);
181 ctx
->stats
.draw_calls
++;
183 /* TODO prims_emitted should be clipped when the stream-out buffer is
184 * not large enough. See max_tf_vtx().. probably need to move that
185 * into common code. Although a bit more annoying since a2xx doesn't
186 * use ir3 so no common way to get at the pipe_stream_output_info
187 * which is needed for this calculation.
189 if (ctx
->streamout
.num_targets
> 0)
190 ctx
->stats
.prims_emitted
+= prims
;
191 ctx
->stats
.prims_generated
+= prims
;
193 /* any buffers that haven't been cleared yet, we need to restore: */
194 batch
->restore
|= buffers
& (FD_BUFFER_ALL
& ~batch
->cleared
);
195 /* and any buffers used, need to be resolved: */
196 batch
->resolve
|= buffers
;
198 DBG("%p: %x %ux%u num_draws=%u (%s/%s)", batch
, buffers
,
199 pfb
->width
, pfb
->height
, batch
->num_draws
,
200 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
201 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
203 if (ctx
->draw_vbo(ctx
, info
))
204 batch
->needs_flush
= true;
206 for (i
= 0; i
< ctx
->streamout
.num_targets
; i
++)
207 ctx
->streamout
.offsets
[i
] += info
->count
;
209 if (fd_mesa_debug
& FD_DBG_DDRAW
)
210 ctx
->dirty
= 0xffffffff;
212 fd_batch_check_size(batch
);
214 if (info
->indexed
&& ibuffer_saved
.user_buffer
)
215 pctx
->set_index_buffer(pctx
, &ibuffer_saved
);
218 /* Generic clear implementation (partially) using u_blitter: */
220 fd_blitter_clear(struct pipe_context
*pctx
, unsigned buffers
,
221 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
223 struct fd_context
*ctx
= fd_context(pctx
);
224 struct pipe_framebuffer_state
*pfb
= &ctx
->batch
->framebuffer
;
225 struct blitter_context
*blitter
= ctx
->blitter
;
227 fd_blitter_pipe_begin(ctx
, false, true, FD_STAGE_CLEAR
);
229 util_blitter_common_clear_setup(blitter
, pfb
->width
, pfb
->height
,
230 buffers
, NULL
, NULL
);
232 struct pipe_stencil_ref sr
= {
233 .ref_value
= { stencil
& 0xff }
235 pctx
->set_stencil_ref(pctx
, &sr
);
237 struct pipe_constant_buffer cb
= {
239 .user_buffer
= &color
->ui
,
241 pctx
->set_constant_buffer(pctx
, PIPE_SHADER_FRAGMENT
, 0, &cb
);
243 if (!ctx
->clear_rs_state
) {
244 const struct pipe_rasterizer_state tmpl
= {
245 .cull_face
= PIPE_FACE_NONE
,
246 .half_pixel_center
= 1,
247 .bottom_edge_rule
= 1,
251 ctx
->clear_rs_state
= pctx
->create_rasterizer_state(pctx
, &tmpl
);
253 pctx
->bind_rasterizer_state(pctx
, ctx
->clear_rs_state
);
255 struct pipe_viewport_state vp
= {
256 .scale
= { 0.5f
* pfb
->width
, -0.5f
* pfb
->height
, depth
},
257 .translate
= { 0.5f
* pfb
->width
, 0.5f
* pfb
->height
, 0.0f
},
259 pctx
->set_viewport_states(pctx
, 0, 1, &vp
);
261 pctx
->bind_vertex_elements_state(pctx
, ctx
->solid_vbuf_state
.vtx
);
262 pctx
->set_vertex_buffers(pctx
, blitter
->vb_slot
, 1,
263 &ctx
->solid_vbuf_state
.vertexbuf
.vb
[0]);
264 pctx
->set_stream_output_targets(pctx
, 0, NULL
, NULL
);
265 pctx
->bind_vs_state(pctx
, ctx
->solid_prog
.vp
);
266 pctx
->bind_fs_state(pctx
, ctx
->solid_prog
.fp
);
268 struct pipe_draw_info info
= {
269 .mode
= PIPE_PRIM_MAX
, /* maps to DI_PT_RECTLIST */
274 ctx
->draw_vbo(ctx
, &info
);
276 util_blitter_restore_constant_buffer_state(blitter
);
277 util_blitter_restore_vertex_states(blitter
);
278 util_blitter_restore_fragment_states(blitter
);
279 util_blitter_restore_render_cond(blitter
);
280 util_blitter_unset_running_flag(blitter
);
282 fd_blitter_pipe_end(ctx
);
285 /* TODO figure out how to make better use of existing state mechanism
286 * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep
287 * track of what state really actually changes, and (b) reduce the code
288 * in the a2xx/a3xx parts.
292 fd_clear(struct pipe_context
*pctx
, unsigned buffers
,
293 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
295 struct fd_context
*ctx
= fd_context(pctx
);
296 struct fd_batch
*batch
= ctx
->batch
;
297 struct pipe_framebuffer_state
*pfb
= &batch
->framebuffer
;
298 struct pipe_scissor_state
*scissor
= fd_context_get_scissor(ctx
);
299 unsigned cleared_buffers
;
302 /* TODO: push down the region versions into the tiles */
303 if (!fd_render_condition_check(pctx
))
307 fd_batch_reset(batch
);
311 /* for bookkeeping about which buffers have been cleared (and thus
312 * can fully or partially skip mem2gmem) we need to ignore buffers
313 * that have already had a draw, in case apps do silly things like
314 * clear after draw (ie. if you only clear the color buffer, but
315 * something like alpha-test causes side effects from the draw in
316 * the depth buffer, etc)
318 cleared_buffers
= buffers
& (FD_BUFFER_ALL
& ~batch
->restore
);
320 /* do we have full-screen scissor? */
321 if (!memcmp(scissor
, &ctx
->disabled_scissor
, sizeof(*scissor
))) {
322 batch
->cleared
|= cleared_buffers
;
324 batch
->partial_cleared
|= cleared_buffers
;
325 if (cleared_buffers
& PIPE_CLEAR_COLOR
)
326 batch
->cleared_scissor
.color
= *scissor
;
327 if (cleared_buffers
& PIPE_CLEAR_DEPTH
)
328 batch
->cleared_scissor
.depth
= *scissor
;
329 if (cleared_buffers
& PIPE_CLEAR_STENCIL
)
330 batch
->cleared_scissor
.stencil
= *scissor
;
332 batch
->resolve
|= buffers
;
333 batch
->needs_flush
= true;
335 pipe_mutex_lock(ctx
->screen
->lock
);
337 if (buffers
& PIPE_CLEAR_COLOR
)
338 for (i
= 0; i
< pfb
->nr_cbufs
; i
++)
339 if (buffers
& (PIPE_CLEAR_COLOR0
<< i
))
340 resource_written(batch
, pfb
->cbufs
[i
]->texture
);
342 if (buffers
& (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
)) {
343 resource_written(batch
, pfb
->zsbuf
->texture
);
344 batch
->gmem_reason
|= FD_GMEM_CLEARS_DEPTH_STENCIL
;
347 resource_written(batch
, batch
->query_buf
);
349 pipe_mutex_unlock(ctx
->screen
->lock
);
351 DBG("%p: %x %ux%u depth=%f, stencil=%u (%s/%s)", batch
, buffers
,
352 pfb
->width
, pfb
->height
, depth
, stencil
,
353 util_format_short_name(pipe_surface_format(pfb
->cbufs
[0])),
354 util_format_short_name(pipe_surface_format(pfb
->zsbuf
)));
356 /* if per-gen backend doesn't implement ctx->clear() generic
360 fd_blitter_clear(pctx
, buffers
, color
, depth
, stencil
);
364 fd_hw_query_set_stage(batch
, batch
->draw
, FD_STAGE_CLEAR
);
366 ctx
->clear(ctx
, buffers
, color
, depth
, stencil
);
368 ctx
->dirty
|= FD_DIRTY_ZSA
|
370 FD_DIRTY_RASTERIZER
|
371 FD_DIRTY_SAMPLE_MASK
|
375 FD_DIRTY_FRAMEBUFFER
;
377 if (fd_mesa_debug
& FD_DBG_DCLEAR
)
378 ctx
->dirty
= 0xffffffff;
382 fd_clear_render_target(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
383 const union pipe_color_union
*color
,
384 unsigned x
, unsigned y
, unsigned w
, unsigned h
,
385 bool render_condition_enabled
)
387 DBG("TODO: x=%u, y=%u, w=%u, h=%u", x
, y
, w
, h
);
391 fd_clear_depth_stencil(struct pipe_context
*pctx
, struct pipe_surface
*ps
,
392 unsigned buffers
, double depth
, unsigned stencil
,
393 unsigned x
, unsigned y
, unsigned w
, unsigned h
,
394 bool render_condition_enabled
)
396 DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u",
397 buffers
, depth
, stencil
, x
, y
, w
, h
);
401 fd_draw_init(struct pipe_context
*pctx
)
403 pctx
->draw_vbo
= fd_draw_vbo
;
404 pctx
->clear
= fd_clear
;
405 pctx
->clear_render_target
= fd_clear_render_target
;
406 pctx
->clear_depth_stencil
= fd_clear_depth_stencil
;