1/*
2 * Copyright (c) 2012-2015 Etnaviv Project
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 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *    Wladimir J. van der Laan <laanwj@gmail.com>
25 */
26
27#include "etnaviv_clear_blit.h"
28
29#include "hw/common.xml.h"
30
31#include "etnaviv_blt.h"
32#include "etnaviv_context.h"
33#include "etnaviv_emit.h"
34#include "etnaviv_format.h"
35#include "etnaviv_resource.h"
36#include "etnaviv_rs.h"
37#include "etnaviv_surface.h"
38#include "etnaviv_translate.h"
39
40#include "pipe/p_defines.h"
41#include "pipe/p_state.h"
42#include "util/compiler.h"
43#include "util/u_blitter.h"
44#include "util/u_inlines.h"
45#include "util/u_memory.h"
46#include "util/u_surface.h"
47
48/* Save current state for blitter operation */
49void
50etna_blit_save_state(struct etna_context *ctx)
51{
52   util_blitter_save_fragment_constant_buffer_slot(ctx->blitter,
53                                                   ctx->constant_buffer[PIPE_SHADER_FRAGMENT].cb);
54   util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertex_buffer.vb);
55   util_blitter_save_vertex_elements(ctx->blitter, ctx->vertex_elements);
56   util_blitter_save_vertex_shader(ctx->blitter, ctx->shader.bind_vs);
57   util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer);
58   util_blitter_save_viewport(ctx->blitter, &ctx->viewport_s);
59   util_blitter_save_scissor(ctx->blitter, &ctx->scissor);
60   util_blitter_save_fragment_shader(ctx->blitter, ctx->shader.bind_fs);
61   util_blitter_save_blend(ctx->blitter, ctx->blend);
62   util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa);
63   util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref_s);
64   util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask, 0);
65   util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer_s);
66   util_blitter_save_fragment_sampler_states(ctx->blitter,
67         ctx->num_fragment_samplers, (void **)ctx->sampler);
68   util_blitter_save_fragment_sampler_views(ctx->blitter,
69         ctx->num_fragment_sampler_views, ctx->sampler_view);
70}
71
72uint64_t
73etna_clear_blit_pack_rgba(enum pipe_format format, const union pipe_color_union *color)
74{
75   union util_color uc;
76
77   util_pack_color_union(format, &uc, color);
78
79   switch (util_format_get_blocksize(format)) {
80   case 1:
81      uc.ui[0] = uc.ui[0] << 8 | (uc.ui[0] & 0xff);
82      FALLTHROUGH;
83   case 2:
84      uc.ui[0] =  uc.ui[0] << 16 | (uc.ui[0] & 0xffff);
85      FALLTHROUGH;
86   case 4:
87      uc.ui[1] = uc.ui[0];
88      FALLTHROUGH;
89   default:
90      return (uint64_t) uc.ui[1] << 32 | uc.ui[0];
91   }
92}
93
94static void
95etna_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
96{
97   struct etna_context *ctx = etna_context(pctx);
98   struct pipe_blit_info info = *blit_info;
99
100   if (ctx->blit(pctx, &info))
101      return;
102
103   if (util_try_blit_via_copy_region(pctx, &info, false))
104      return;
105
106   if (info.mask & PIPE_MASK_S) {
107      DBG("cannot blit stencil, skipping");
108      info.mask &= ~PIPE_MASK_S;
109   }
110
111   if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
112      DBG("blit unsupported %s -> %s",
113          util_format_short_name(info.src.resource->format),
114          util_format_short_name(info.dst.resource->format));
115      return;
116   }
117
118   etna_blit_save_state(ctx);
119   util_blitter_blit(ctx->blitter, &info);
120}
121
122static void
123etna_clear_render_target(struct pipe_context *pctx, struct pipe_surface *dst,
124                         const union pipe_color_union *color, unsigned dstx,
125                         unsigned dsty, unsigned width, unsigned height,
126                         bool render_condition_enabled)
127{
128   struct etna_context *ctx = etna_context(pctx);
129
130   /* XXX could fall back to RS when target area is full screen / resolveable
131    * and no TS. */
132   etna_blit_save_state(ctx);
133   util_blitter_clear_render_target(ctx->blitter, dst, color, dstx, dsty, width, height);
134}
135
136static void
137etna_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *dst,
138                         unsigned clear_flags, double depth, unsigned stencil,
139                         unsigned dstx, unsigned dsty, unsigned width,
140                         unsigned height, bool render_condition_enabled)
141{
142   struct etna_context *ctx = etna_context(pctx);
143
144   /* XXX could fall back to RS when target area is full screen / resolveable
145    * and no TS. */
146   etna_blit_save_state(ctx);
147   util_blitter_clear_depth_stencil(ctx->blitter, dst, clear_flags, depth,
148                                    stencil, dstx, dsty, width, height);
149}
150
151static void
152etna_resource_copy_region(struct pipe_context *pctx, struct pipe_resource *dst,
153                          unsigned dst_level, unsigned dstx, unsigned dsty,
154                          unsigned dstz, struct pipe_resource *src,
155                          unsigned src_level, const struct pipe_box *src_box)
156{
157   struct etna_context *ctx = etna_context(pctx);
158
159   if (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER &&
160       util_blitter_is_copy_supported(ctx->blitter, dst, src)) {
161      etna_blit_save_state(ctx);
162      util_blitter_copy_texture(ctx->blitter, dst, dst_level, dstx, dsty, dstz,
163                                src, src_level, src_box);
164   } else {
165      util_resource_copy_region(pctx, dst, dst_level, dstx, dsty, dstz, src,
166                                src_level, src_box);
167   }
168}
169
170static void
171etna_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
172{
173   struct etna_resource *rsc = etna_resource(prsc);
174
175   if (rsc->render) {
176      if (etna_resource_older(rsc, etna_resource(rsc->render))) {
177         etna_copy_resource(pctx, prsc, rsc->render, 0, 0);
178         rsc->seqno = etna_resource(rsc->render)->seqno;
179      }
180   } else if (etna_resource_needs_flush(rsc)) {
181      etna_copy_resource(pctx, prsc, prsc, 0, 0);
182      rsc->flush_seqno = rsc->seqno;
183   }
184}
185
186void
187etna_copy_resource(struct pipe_context *pctx, struct pipe_resource *dst,
188                   struct pipe_resource *src, int first_level, int last_level)
189{
190   struct etna_resource *src_priv = etna_resource(src);
191   struct etna_resource *dst_priv = etna_resource(dst);
192
193   assert(src->format == dst->format);
194   assert(src->array_size == dst->array_size);
195   assert(last_level <= dst->last_level && last_level <= src->last_level);
196
197   struct pipe_blit_info blit = {};
198   blit.mask = util_format_get_mask(dst->format);
199   blit.filter = PIPE_TEX_FILTER_NEAREST;
200   blit.src.resource = src;
201   blit.src.format = src->format;
202   blit.dst.resource = dst;
203   blit.dst.format = dst->format;
204   blit.dst.box.depth = blit.src.box.depth = 1;
205
206   /* Copy each level and each layer */
207   for (int level = first_level; level <= last_level; level++) {
208      blit.src.level = blit.dst.level = level;
209      blit.src.box.width = blit.dst.box.width =
210         MIN2(src_priv->levels[level].padded_width, dst_priv->levels[level].padded_width);
211      blit.src.box.height = blit.dst.box.height =
212         MIN2(src_priv->levels[level].padded_height, dst_priv->levels[level].padded_height);
213      unsigned depth = MIN2(src_priv->levels[level].depth, dst_priv->levels[level].depth);
214      if (dst->array_size > 1) {
215         assert(depth == 1); /* no array of 3d texture */
216         depth = dst->array_size;
217      }
218
219      for (int z = 0; z < depth; z++) {
220         blit.src.box.z = blit.dst.box.z = z;
221         pctx->blit(pctx, &blit);
222      }
223   }
224}
225
226void
227etna_copy_resource_box(struct pipe_context *pctx, struct pipe_resource *dst,
228                       struct pipe_resource *src, int level,
229                       struct pipe_box *box)
230{
231   assert(src->format == dst->format);
232   assert(src->array_size == dst->array_size);
233
234   struct pipe_blit_info blit = {};
235   blit.mask = util_format_get_mask(dst->format);
236   blit.filter = PIPE_TEX_FILTER_NEAREST;
237   blit.src.resource = src;
238   blit.src.format = src->format;
239   blit.src.box = *box;
240   blit.dst.resource = dst;
241   blit.dst.format = dst->format;
242   blit.dst.box = *box;
243
244   blit.dst.box.depth = blit.src.box.depth = 1;
245   blit.src.level = blit.dst.level = level;
246
247   for (int z = 0; z < box->depth; z++) {
248      blit.src.box.z = blit.dst.box.z = box->z + z;
249      pctx->blit(pctx, &blit);
250   }
251}
252
253void
254etna_clear_blit_init(struct pipe_context *pctx)
255{
256   struct etna_context *ctx = etna_context(pctx);
257   struct etna_screen *screen = ctx->screen;
258
259   pctx->blit = etna_blit;
260   pctx->clear_render_target = etna_clear_render_target;
261   pctx->clear_depth_stencil = etna_clear_depth_stencil;
262   pctx->resource_copy_region = etna_resource_copy_region;
263   pctx->flush_resource = etna_flush_resource;
264
265   if (screen->specs.use_blt)
266      etna_clear_blit_blt_init(pctx);
267   else
268      etna_clear_blit_rs_init(pctx);
269}
270