/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "si_pipe.h"
#include "si_compute.h"
#include "util/u_format.h"
#include "util/u_log.h"
#include "util/u_surface.h"
enum {
SI_COPY = SI_SAVE_FRAMEBUFFER | SI_SAVE_TEXTURES |
SI_SAVE_FRAGMENT_STATE | SI_DISABLE_RENDER_COND,
SI_BLIT = SI_SAVE_FRAMEBUFFER | SI_SAVE_TEXTURES |
SI_SAVE_FRAGMENT_STATE,
SI_DECOMPRESS = SI_SAVE_FRAMEBUFFER | SI_SAVE_FRAGMENT_STATE |
SI_DISABLE_RENDER_COND,
SI_COLOR_RESOLVE = SI_SAVE_FRAMEBUFFER | SI_SAVE_FRAGMENT_STATE
};
void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op)
{
struct si_context *sctx = (struct si_context *)ctx;
util_blitter_save_vertex_shader(sctx->blitter, sctx->vs_shader.cso);
util_blitter_save_tessctrl_shader(sctx->blitter, sctx->tcs_shader.cso);
util_blitter_save_tesseval_shader(sctx->blitter, sctx->tes_shader.cso);
util_blitter_save_geometry_shader(sctx->blitter, sctx->gs_shader.cso);
util_blitter_save_so_targets(sctx->blitter, sctx->streamout.num_targets,
(struct pipe_stream_output_target**)sctx->streamout.targets);
util_blitter_save_rasterizer(sctx->blitter, sctx->queued.named.rasterizer);
if (op & SI_SAVE_FRAGMENT_STATE) {
util_blitter_save_blend(sctx->blitter, sctx->queued.named.blend);
util_blitter_save_depth_stencil_alpha(sctx->blitter, sctx->queued.named.dsa);
util_blitter_save_stencil_ref(sctx->blitter, &sctx->stencil_ref.state);
util_blitter_save_fragment_shader(sctx->blitter, sctx->ps_shader.cso);
util_blitter_save_sample_mask(sctx->blitter, sctx->sample_mask.sample_mask);
util_blitter_save_scissor(sctx->blitter, &sctx->scissors.states[0]);
}
if (op & SI_SAVE_FRAMEBUFFER)
util_blitter_save_framebuffer(sctx->blitter, &sctx->framebuffer.state);
if (op & SI_SAVE_TEXTURES) {
util_blitter_save_fragment_sampler_states(
sctx->blitter, 2,
(void**)sctx->samplers[PIPE_SHADER_FRAGMENT].sampler_states);
util_blitter_save_fragment_sampler_views(sctx->blitter, 2,
sctx->samplers[PIPE_SHADER_FRAGMENT].views);
}
if (op & SI_DISABLE_RENDER_COND)
sctx->b.render_cond_force_off = true;
}
void si_blitter_end(struct pipe_context *ctx)
{
struct si_context *sctx = (struct si_context *)ctx;
sctx->b.render_cond_force_off = false;
/* Restore shader pointers because the VS blit shader changed all
* non-global VS user SGPRs. */
sctx->shader_pointers_dirty |= SI_DESCS_SHADER_MASK(VERTEX);
sctx->vertex_buffer_pointer_dirty = true;
si_mark_atom_dirty(sctx, &sctx->shader_pointers.atom);
}
static unsigned u_max_sample(struct pipe_resource *r)
{
return r->nr_samples ? r->nr_samples - 1 : 0;
}
static unsigned
si_blit_dbcb_copy(struct si_context *sctx,
struct r600_texture *src,
struct r600_texture *dst,
unsigned planes, unsigned level_mask,
unsigned first_layer, unsigned last_layer,
unsigned first_sample, unsigned last_sample)
{
struct pipe_surface surf_tmpl = {{0}};
unsigned layer, sample, checked_last_layer, max_layer;
unsigned fully_copied_levels = 0;
if (planes & PIPE_MASK_Z)
sctx->dbcb_depth_copy_enabled = true;
if (planes & PIPE_MASK_S)
sctx->dbcb_stencil_copy_enabled = true;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
assert(sctx->dbcb_depth_copy_enabled || sctx->dbcb_stencil_copy_enabled);
sctx->decompression_enabled = true;
while (level_mask) {
unsigned level = u_bit_scan(&level_mask);
/* The smaller the mipmap level, the less layers there are
* as far as 3D textures are concerned. */
max_layer = util_max_layer(&src->resource.b.b, level);
checked_last_layer = MIN2(last_layer, max_layer);
surf_tmpl.u.tex.level = level;
for (layer = first_layer; layer <= checked_last_layer; layer++) {
struct pipe_surface *zsurf, *cbsurf;
surf_tmpl.format = src->resource.b.b.format;
surf_tmpl.u.tex.first_layer = layer;
surf_tmpl.u.tex.last_layer = layer;
zsurf = sctx->b.b.create_surface(&sctx->b.b, &src->resource.b.b, &surf_tmpl);
surf_tmpl.format = dst->resource.b.b.format;
cbsurf = sctx->b.b.create_surface(&sctx->b.b, &dst->resource.b.b, &surf_tmpl);
for (sample = first_sample; sample <= last_sample; sample++) {
if (sample != sctx->dbcb_copy_sample) {
sctx->dbcb_copy_sample = sample;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
}
si_blitter_begin(&sctx->b.b, SI_DECOMPRESS);
util_blitter_custom_depth_stencil(sctx->blitter, zsurf, cbsurf, 1 << sample,
sctx->custom_dsa_flush, 1.0f);
si_blitter_end(&sctx->b.b);
}
pipe_surface_reference(&zsurf, NULL);
pipe_surface_reference(&cbsurf, NULL);
}
if (first_layer == 0 && last_layer >= max_layer &&
first_sample == 0 && last_sample >= u_max_sample(&src->resource.b.b))
fully_copied_levels |= 1u << level;
}
sctx->decompression_enabled = false;
sctx->dbcb_depth_copy_enabled = false;
sctx->dbcb_stencil_copy_enabled = false;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
return fully_copied_levels;
}
static void si_blit_decompress_depth(struct pipe_context *ctx,
struct r600_texture *texture,
struct r600_texture *staging,
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer,
unsigned first_sample, unsigned last_sample)
{
const struct util_format_description *desc;
unsigned planes = 0;
assert(staging != NULL && "use si_blit_decompress_zs_in_place instead");
desc = util_format_description(staging->resource.b.b.format);
if (util_format_has_depth(desc))
planes |= PIPE_MASK_Z;
if (util_format_has_stencil(desc))
planes |= PIPE_MASK_S;
si_blit_dbcb_copy(
(struct si_context *)ctx, texture, staging, planes,
u_bit_consecutive(first_level, last_level - first_level + 1),
first_layer, last_layer, first_sample, last_sample);
}
/* Helper function for si_blit_decompress_zs_in_place.
*/
static void
si_blit_decompress_zs_planes_in_place(struct si_context *sctx,
struct r600_texture *texture,
unsigned planes, unsigned level_mask,
unsigned first_layer, unsigned last_layer)
{
struct pipe_surface *zsurf, surf_tmpl = {{0}};
unsigned layer, max_layer, checked_last_layer;
unsigned fully_decompressed_mask = 0;
if (!level_mask)
return;
if (planes & PIPE_MASK_S)
sctx->db_flush_stencil_inplace = true;
if (planes & PIPE_MASK_Z)
sctx->db_flush_depth_inplace = true;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
surf_tmpl.format = texture->resource.b.b.format;
sctx->decompression_enabled = true;
while (level_mask) {
unsigned level = u_bit_scan(&level_mask);
surf_tmpl.u.tex.level = level;
/* The smaller the mipmap level, the less layers there are
* as far as 3D textures are concerned. */
max_layer = util_max_layer(&texture->resource.b.b, level);
checked_last_layer = MIN2(last_layer, max_layer);
for (layer = first_layer; layer <= checked_last_layer; layer++) {
surf_tmpl.u.tex.first_layer = layer;
surf_tmpl.u.tex.last_layer = layer;
zsurf = sctx->b.b.create_surface(&sctx->b.b, &texture->resource.b.b, &surf_tmpl);
si_blitter_begin(&sctx->b.b, SI_DECOMPRESS);
util_blitter_custom_depth_stencil(sctx->blitter, zsurf, NULL, ~0,
sctx->custom_dsa_flush,
1.0f);
si_blitter_end(&sctx->b.b);
pipe_surface_reference(&zsurf, NULL);
}
/* The texture will always be dirty if some layers aren't flushed.
* I don't think this case occurs often though. */
if (first_layer == 0 && last_layer >= max_layer) {
fully_decompressed_mask |= 1u << level;
}
}
if (planes & PIPE_MASK_Z)
texture->dirty_level_mask &= ~fully_decompressed_mask;
if (planes & PIPE_MASK_S)
texture->stencil_dirty_level_mask &= ~fully_decompressed_mask;
sctx->decompression_enabled = false;
sctx->db_flush_depth_inplace = false;
sctx->db_flush_stencil_inplace = false;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
}
/* Helper function of si_flush_depth_texture: decompress the given levels
* of Z and/or S planes in place.
*/
static void
si_blit_decompress_zs_in_place(struct si_context *sctx,
struct r600_texture *texture,
unsigned levels_z, unsigned levels_s,
unsigned first_layer, unsigned last_layer)
{
unsigned both = levels_z & levels_s;
/* First, do combined Z & S decompresses for levels that need it. */
if (both) {
si_blit_decompress_zs_planes_in_place(
sctx, texture, PIPE_MASK_Z | PIPE_MASK_S,
both,
first_layer, last_layer);
levels_z &= ~both;
levels_s &= ~both;
}
/* Now do separate Z and S decompresses. */
if (levels_z) {
si_blit_decompress_zs_planes_in_place(
sctx, texture, PIPE_MASK_Z,
levels_z,
first_layer, last_layer);
}
if (levels_s) {
si_blit_decompress_zs_planes_in_place(
sctx, texture, PIPE_MASK_S,
levels_s,
first_layer, last_layer);
}
}
static void
si_decompress_depth(struct si_context *sctx,
struct r600_texture *tex,
unsigned required_planes,
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer)
{
unsigned inplace_planes = 0;
unsigned copy_planes = 0;
unsigned level_mask = u_bit_consecutive(first_level, last_level - first_level + 1);
unsigned levels_z = 0;
unsigned levels_s = 0;
if (required_planes & PIPE_MASK_Z) {
levels_z = level_mask & tex->dirty_level_mask;
if (levels_z) {
if (si_can_sample_zs(tex, false))
inplace_planes |= PIPE_MASK_Z;
else
copy_planes |= PIPE_MASK_Z;
}
}
if (required_planes & PIPE_MASK_S) {
levels_s = level_mask & tex->stencil_dirty_level_mask;
if (levels_s) {
if (si_can_sample_zs(tex, true))
inplace_planes |= PIPE_MASK_S;
else
copy_planes |= PIPE_MASK_S;
}
}
if (unlikely(sctx->b.log))
u_log_printf(sctx->b.log,
"\n------------------------------------------------\n"
"Decompress Depth (levels %u - %u, levels Z: 0x%x S: 0x%x)\n\n",
first_level, last_level, levels_z, levels_s);
/* We may have to allocate the flushed texture here when called from
* si_decompress_subresource.
*/
if (copy_planes &&
(tex->flushed_depth_texture ||
si_init_flushed_depth_texture(&sctx->b.b, &tex->resource.b.b, NULL))) {
struct r600_texture *dst = tex->flushed_depth_texture;
unsigned fully_copied_levels;
unsigned levels = 0;
assert(tex->flushed_depth_texture);
if (util_format_is_depth_and_stencil(dst->resource.b.b.format))
copy_planes = PIPE_MASK_Z | PIPE_MASK_S;
if (copy_planes & PIPE_MASK_Z) {
levels |= levels_z;
levels_z = 0;
}
if (copy_planes & PIPE_MASK_S) {
levels |= levels_s;
levels_s = 0;
}
fully_copied_levels = si_blit_dbcb_copy(
sctx, tex, dst, copy_planes, levels,
first_layer, last_layer,
0, u_max_sample(&tex->resource.b.b));
if (copy_planes & PIPE_MASK_Z)
tex->dirty_level_mask &= ~fully_copied_levels;
if (copy_planes & PIPE_MASK_S)
tex->stencil_dirty_level_mask &= ~fully_copied_levels;
}
if (inplace_planes) {
bool has_htile = si_htile_enabled(tex, first_level);
bool tc_compat_htile = vi_tc_compat_htile_enabled(tex, first_level);
/* Don't decompress if there is no HTILE or when HTILE is
* TC-compatible. */
if (has_htile && !tc_compat_htile) {
si_blit_decompress_zs_in_place(
sctx, tex,
levels_z, levels_s,
first_layer, last_layer);
} else {
/* This is only a cache flush.
*
* Only clear the mask that we are flushing, because
* si_make_DB_shader_coherent() treats different levels
* and depth and stencil differently.
*/
if (inplace_planes & PIPE_MASK_Z)
tex->dirty_level_mask &= ~levels_z;
if (inplace_planes & PIPE_MASK_S)
tex->stencil_dirty_level_mask &= ~levels_s;
}
/* Only in-place decompression needs to flush DB caches, or
* when we don't decompress but TC-compatible planes are dirty.
*/
si_make_DB_shader_coherent(sctx, tex->resource.b.b.nr_samples,
inplace_planes & PIPE_MASK_S,
tc_compat_htile);
}
/* set_framebuffer_state takes care of coherency for single-sample.
* The DB->CB copy uses CB for the final writes.
*/
if (copy_planes && tex->resource.b.b.nr_samples > 1)
si_make_CB_shader_coherent(sctx, tex->resource.b.b.nr_samples,
false);
}
static void
si_decompress_sampler_depth_textures(struct si_context *sctx,
struct si_samplers *textures)
{
unsigned i;
unsigned mask = textures->needs_depth_decompress_mask;
while (mask) {
struct pipe_sampler_view *view;
struct si_sampler_view *sview;
struct r600_texture *tex;
i = u_bit_scan(&mask);
view = textures->views[i];
assert(view);
sview = (struct si_sampler_view*)view;
tex = (struct r600_texture *)view->texture;
assert(tex->db_compatible);
si_decompress_depth(sctx, tex,
sview->is_stencil_sampler ? PIPE_MASK_S : PIPE_MASK_Z,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
}
}
static void si_blit_decompress_color(struct pipe_context *ctx,
struct r600_texture *rtex,
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer,
bool need_dcc_decompress)
{
struct si_context *sctx = (struct si_context *)ctx;
void* custom_blend;
unsigned layer, checked_last_layer, max_layer;
unsigned level_mask =
u_bit_consecutive(first_level, last_level - first_level + 1);
if (!need_dcc_decompress)
level_mask &= rtex->dirty_level_mask;
if (!level_mask)
return;
if (unlikely(sctx->b.log))
u_log_printf(sctx->b.log,
"\n------------------------------------------------\n"
"Decompress Color (levels %u - %u, mask 0x%x)\n\n",
first_level, last_level, level_mask);
if (need_dcc_decompress) {
custom_blend = sctx->custom_blend_dcc_decompress;
assert(rtex->dcc_offset);
/* disable levels without DCC */
for (int i = first_level; i <= last_level; i++) {
if (!vi_dcc_enabled(rtex, i))
level_mask &= ~(1 << i);
}
} else if (rtex->fmask.size) {
custom_blend = sctx->custom_blend_fmask_decompress;
} else {
custom_blend = sctx->custom_blend_eliminate_fastclear;
}
sctx->decompression_enabled = true;
while (level_mask) {
unsigned level = u_bit_scan(&level_mask);
/* The smaller the mipmap level, the less layers there are
* as far as 3D textures are concerned. */
max_layer = util_max_layer(&rtex->resource.b.b, level);
checked_last_layer = MIN2(last_layer, max_layer);
for (layer = first_layer; layer <= checked_last_layer; layer++) {
struct pipe_surface *cbsurf, surf_tmpl;
surf_tmpl.format = rtex->resource.b.b.format;
surf_tmpl.u.tex.level = level;
surf_tmpl.u.tex.first_layer = layer;
surf_tmpl.u.tex.last_layer = layer;
cbsurf = ctx->create_surface(ctx, &rtex->resource.b.b, &surf_tmpl);
/* Required before and after FMASK and DCC_DECOMPRESS. */
if (custom_blend == sctx->custom_blend_fmask_decompress ||
custom_blend == sctx->custom_blend_dcc_decompress)
sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_CB;
si_blitter_begin(ctx, SI_DECOMPRESS);
util_blitter_custom_color(sctx->blitter, cbsurf, custom_blend);
si_blitter_end(ctx);
if (custom_blend == sctx->custom_blend_fmask_decompress ||
custom_blend == sctx->custom_blend_dcc_decompress)
sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_CB;
pipe_surface_reference(&cbsurf, NULL);
}
/* The texture will always be dirty if some layers aren't flushed.
* I don't think this case occurs often though. */
if (first_layer == 0 && last_layer >= max_layer) {
rtex->dirty_level_mask &= ~(1 << level);
}
}
sctx->decompression_enabled = false;
si_make_CB_shader_coherent(sctx, rtex->resource.b.b.nr_samples,
vi_dcc_enabled(rtex, first_level));
}
static void
si_decompress_color_texture(struct si_context *sctx, struct r600_texture *tex,
unsigned first_level, unsigned last_level)
{
/* CMASK or DCC can be discarded and we can still end up here. */
if (!tex->cmask.size && !tex->fmask.size && !tex->dcc_offset)
return;
si_blit_decompress_color(&sctx->b.b, tex, first_level, last_level, 0,
util_max_layer(&tex->resource.b.b, first_level),
false);
}
static void
si_decompress_sampler_color_textures(struct si_context *sctx,
struct si_samplers *textures)
{
unsigned i;
unsigned mask = textures->needs_color_decompress_mask;
while (mask) {
struct pipe_sampler_view *view;
struct r600_texture *tex;
i = u_bit_scan(&mask);
view = textures->views[i];
assert(view);
tex = (struct r600_texture *)view->texture;
si_decompress_color_texture(sctx, tex, view->u.tex.first_level,
view->u.tex.last_level);
}
}
static void
si_decompress_image_color_textures(struct si_context *sctx,
struct si_images *images)
{
unsigned i;
unsigned mask = images->needs_color_decompress_mask;
while (mask) {
const struct pipe_image_view *view;
struct r600_texture *tex;
i = u_bit_scan(&mask);
view = &images->views[i];
assert(view->resource->target != PIPE_BUFFER);
tex = (struct r600_texture *)view->resource;
si_decompress_color_texture(sctx, tex, view->u.tex.level,
view->u.tex.level);
}
}
static void si_check_render_feedback_texture(struct si_context *sctx,
struct r600_texture *tex,
unsigned first_level,
unsigned last_level,
unsigned first_layer,
unsigned last_layer)
{
bool render_feedback = false;
if (!tex->dcc_offset)
return;
for (unsigned j = 0; j < sctx->framebuffer.state.nr_cbufs; ++j) {
struct r600_surface * surf;
if (!sctx->framebuffer.state.cbufs[j])
continue;
surf = (struct r600_surface*)sctx->framebuffer.state.cbufs[j];
if (tex == (struct r600_texture *)surf->base.texture &&
surf->base.u.tex.level >= first_level &&
surf->base.u.tex.level <= last_level &&
surf->base.u.tex.first_layer <= last_layer &&
surf->base.u.tex.last_layer >= first_layer) {
render_feedback = true;
break;
}
}
if (render_feedback)
si_texture_disable_dcc(&sctx->b, tex);
}
static void si_check_render_feedback_textures(struct si_context *sctx,
struct si_samplers *textures)
{
uint32_t mask = textures->enabled_mask;
while (mask) {
const struct pipe_sampler_view *view;
struct r600_texture *tex;
unsigned i = u_bit_scan(&mask);
view = textures->views[i];
if(view->texture->target == PIPE_BUFFER)
continue;
tex = (struct r600_texture *)view->texture;
si_check_render_feedback_texture(sctx, tex,
view->u.tex.first_level,
view->u.tex.last_level,
view->u.tex.first_layer,
view->u.tex.last_layer);
}
}
static void si_check_render_feedback_images(struct si_context *sctx,
struct si_images *images)
{
uint32_t mask = images->enabled_mask;
while (mask) {
const struct pipe_image_view *view;
struct r600_texture *tex;
unsigned i = u_bit_scan(&mask);
view = &images->views[i];
if (view->resource->target == PIPE_BUFFER)
continue;
tex = (struct r600_texture *)view->resource;
si_check_render_feedback_texture(sctx, tex,
view->u.tex.level,
view->u.tex.level,
view->u.tex.first_layer,
view->u.tex.last_layer);
}
}
static void si_check_render_feedback_resident_textures(struct si_context *sctx)
{
util_dynarray_foreach(&sctx->resident_tex_handles,
struct si_texture_handle *, tex_handle) {
struct pipe_sampler_view *view;
struct r600_texture *tex;
view = (*tex_handle)->view;
if (view->texture->target == PIPE_BUFFER)
continue;
tex = (struct r600_texture *)view->texture;
si_check_render_feedback_texture(sctx, tex,
view->u.tex.first_level,
view->u.tex.last_level,
view->u.tex.first_layer,
view->u.tex.last_layer);
}
}
static void si_check_render_feedback_resident_images(struct si_context *sctx)
{
util_dynarray_foreach(&sctx->resident_img_handles,
struct si_image_handle *, img_handle) {
struct pipe_image_view *view;
struct r600_texture *tex;
view = &(*img_handle)->view;
if (view->resource->target == PIPE_BUFFER)
continue;
tex = (struct r600_texture *)view->resource;
si_check_render_feedback_texture(sctx, tex,
view->u.tex.level,
view->u.tex.level,
view->u.tex.first_layer,
view->u.tex.last_layer);
}
}
static void si_check_render_feedback(struct si_context *sctx)
{
if (!sctx->need_check_render_feedback)
return;
for (int i = 0; i < SI_NUM_SHADERS; ++i) {
si_check_render_feedback_images(sctx, &sctx->images[i]);
si_check_render_feedback_textures(sctx, &sctx->samplers[i]);
}
si_check_render_feedback_resident_images(sctx);
si_check_render_feedback_resident_textures(sctx);
sctx->need_check_render_feedback = false;
}
static void si_decompress_resident_textures(struct si_context *sctx)
{
util_dynarray_foreach(&sctx->resident_tex_needs_color_decompress,
struct si_texture_handle *, tex_handle) {
struct pipe_sampler_view *view = (*tex_handle)->view;
struct r600_texture *tex = (struct r600_texture *)view->texture;
si_decompress_color_texture(sctx, tex, view->u.tex.first_level,
view->u.tex.last_level);
}
util_dynarray_foreach(&sctx->resident_tex_needs_depth_decompress,
struct si_texture_handle *, tex_handle) {
struct pipe_sampler_view *view = (*tex_handle)->view;
struct si_sampler_view *sview = (struct si_sampler_view *)view;
struct r600_texture *tex = (struct r600_texture *)view->texture;
si_decompress_depth(sctx, tex,
sview->is_stencil_sampler ? PIPE_MASK_S : PIPE_MASK_Z,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
}
}
static void si_decompress_resident_images(struct si_context *sctx)
{
util_dynarray_foreach(&sctx->resident_img_needs_color_decompress,
struct si_image_handle *, img_handle) {
struct pipe_image_view *view = &(*img_handle)->view;
struct r600_texture *tex = (struct r600_texture *)view->resource;
si_decompress_color_texture(sctx, tex, view->u.tex.level,
view->u.tex.level);
}
}
void si_decompress_textures(struct si_context *sctx, unsigned shader_mask)
{
unsigned compressed_colortex_counter, mask;
if (sctx->blitter->running)
return;
/* Update the compressed_colortex_mask if necessary. */
compressed_colortex_counter = p_atomic_read(&sctx->screen->compressed_colortex_counter);
if (compressed_colortex_counter != sctx->b.last_compressed_colortex_counter) {
sctx->b.last_compressed_colortex_counter = compressed_colortex_counter;
si_update_needs_color_decompress_masks(sctx);
}
/* Decompress color & depth textures if needed. */
mask = sctx->shader_needs_decompress_mask & shader_mask;
while (mask) {
unsigned i = u_bit_scan(&mask);
if (sctx->samplers[i].needs_depth_decompress_mask) {
si_decompress_sampler_depth_textures(sctx, &sctx->samplers[i]);
}
if (sctx->samplers[i].needs_color_decompress_mask) {
si_decompress_sampler_color_textures(sctx, &sctx->samplers[i]);
}
if (sctx->images[i].needs_color_decompress_mask) {
si_decompress_image_color_textures(sctx, &sctx->images[i]);
}
}
if (shader_mask & u_bit_consecutive(0, SI_NUM_GRAPHICS_SHADERS)) {
if (sctx->uses_bindless_samplers)
si_decompress_resident_textures(sctx);
if (sctx->uses_bindless_images)
si_decompress_resident_images(sctx);
} else if (shader_mask & (1 << PIPE_SHADER_COMPUTE)) {
if (sctx->cs_shader_state.program->uses_bindless_samplers)
si_decompress_resident_textures(sctx);
if (sctx->cs_shader_state.program->uses_bindless_images)
si_decompress_resident_images(sctx);
}
si_check_render_feedback(sctx);
}
/* Helper for decompressing a portion of a color or depth resource before
* blitting if any decompression is needed.
* The driver doesn't decompress resources automatically while u_blitter is
* rendering. */
static void si_decompress_subresource(struct pipe_context *ctx,
struct pipe_resource *tex,
unsigned planes, unsigned level,
unsigned first_layer, unsigned last_layer)
{
struct si_context *sctx = (struct si_context *)ctx;
struct r600_texture *rtex = (struct r600_texture*)tex;
if (rtex->db_compatible) {
planes &= PIPE_MASK_Z | PIPE_MASK_S;
if (!rtex->surface.has_stencil)
planes &= ~PIPE_MASK_S;
/* If we've rendered into the framebuffer and it's a blitting
* source, make sure the decompression pass is invoked
* by dirtying the framebuffer.
*/
if (sctx->framebuffer.state.zsbuf &&
sctx->framebuffer.state.zsbuf->u.tex.level == level &&
sctx->framebuffer.state.zsbuf->texture == tex)
si_update_fb_dirtiness_after_rendering(sctx);
si_decompress_depth(sctx, rtex, planes,
level, level,
first_layer, last_layer);
} else if (rtex->fmask.size || rtex->cmask.size || rtex->dcc_offset) {
/* If we've rendered into the framebuffer and it's a blitting
* source, make sure the decompression pass is invoked
* by dirtying the framebuffer.
*/
for (unsigned i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) {
if (sctx->framebuffer.state.cbufs[i] &&
sctx->framebuffer.state.cbufs[i]->u.tex.level == level &&
sctx->framebuffer.state.cbufs[i]->texture == tex) {
si_update_fb_dirtiness_after_rendering(sctx);
break;
}
}
si_blit_decompress_color(ctx, rtex, level, level,
first_layer, last_layer, false);
}
}
struct texture_orig_info {
unsigned format;
unsigned width0;
unsigned height0;
unsigned npix_x;
unsigned npix_y;
unsigned npix0_x;
unsigned npix0_y;
};
void si_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
struct si_context *sctx = (struct si_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)src;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
unsigned dst_width, dst_height, src_width0, src_height0;
unsigned dst_width0, dst_height0, src_force_level = 0;
struct pipe_box sbox, dstbox;
/* Handle buffers first. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
si_copy_buffer(sctx, dst, src, dstx, src_box->x, src_box->width, 0);
return;
}
assert(u_max_sample(dst) == u_max_sample(src));
/* The driver doesn't decompress resources automatically while
* u_blitter is rendering. */
si_decompress_subresource(ctx, src, PIPE_MASK_RGBAZS, src_level,
src_box->z, src_box->z + src_box->depth - 1);
dst_width = u_minify(dst->width0, dst_level);
dst_height = u_minify(dst->height0, dst_level);
dst_width0 = dst->width0;
dst_height0 = dst->height0;
src_width0 = src->width0;
src_height0 = src->height0;
util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
util_blitter_default_src_texture(sctx->blitter, &src_templ, src, src_level);
if (util_format_is_compressed(src->format) ||
util_format_is_compressed(dst->format)) {
unsigned blocksize = rsrc->surface.bpe;
if (blocksize == 8)
src_templ.format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
else
src_templ.format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
dst_templ.format = src_templ.format;
dst_width = util_format_get_nblocksx(dst->format, dst_width);
dst_height = util_format_get_nblocksy(dst->format, dst_height);
dst_width0 = util_format_get_nblocksx(dst->format, dst_width0);
dst_height0 = util_format_get_nblocksy(dst->format, dst_height0);
src_width0 = util_format_get_nblocksx(src->format, src_width0);
src_height0 = util_format_get_nblocksy(src->format, src_height0);
dstx = util_format_get_nblocksx(dst->format, dstx);
dsty = util_format_get_nblocksy(dst->format, dsty);
sbox.x = util_format_get_nblocksx(src->format, src_box->x);
sbox.y = util_format_get_nblocksy(src->format, src_box->y);
sbox.z = src_box->z;
sbox.width = util_format_get_nblocksx(src->format, src_box->width);
sbox.height = util_format_get_nblocksy(src->format, src_box->height);
sbox.depth = src_box->depth;
src_box = &sbox;
src_force_level = src_level;
} else if (!util_blitter_is_copy_supported(sctx->blitter, dst, src)) {
if (util_format_is_subsampled_422(src->format)) {
src_templ.format = PIPE_FORMAT_R8G8B8A8_UINT;
dst_templ.format = PIPE_FORMAT_R8G8B8A8_UINT;
dst_width = util_format_get_nblocksx(dst->format, dst_width);
dst_width0 = util_format_get_nblocksx(dst->format, dst_width0);
src_width0 = util_format_get_nblocksx(src->format, src_width0);
dstx = util_format_get_nblocksx(dst->format, dstx);
sbox = *src_box;
sbox.x = util_format_get_nblocksx(src->format, src_box->x);
sbox.width = util_format_get_nblocksx(src->format, src_box->width);
src_box = &sbox;
} else {
unsigned blocksize = rsrc->surface.bpe;
switch (blocksize) {
case 1:
dst_templ.format = PIPE_FORMAT_R8_UNORM;
src_templ.format = PIPE_FORMAT_R8_UNORM;
break;
case 2:
dst_templ.format = PIPE_FORMAT_R8G8_UNORM;
src_templ.format = PIPE_FORMAT_R8G8_UNORM;
break;
case 4:
dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
src_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
break;
case 8:
dst_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
src_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
break;
case 16:
dst_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
src_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
break;
default:
fprintf(stderr, "Unhandled format %s with blocksize %u\n",
util_format_short_name(src->format), blocksize);
assert(0);
}
}
}
/* SNORM8 blitting has precision issues on some chips. Use the SINT
* equivalent instead, which doesn't force DCC decompression.
* Note that some chips avoid this issue by using SDMA.
*/
if (util_format_is_snorm8(dst_templ.format)) {
switch (dst_templ.format) {
case PIPE_FORMAT_R8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_R8_SINT;
break;
case PIPE_FORMAT_R8G8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_R8G8_SINT;
break;
case PIPE_FORMAT_R8G8B8X8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_R8G8B8X8_SINT;
break;
case PIPE_FORMAT_R8G8B8A8_SNORM:
/* There are no SINT variants for ABGR and XBGR, so we have to use RGBA. */
case PIPE_FORMAT_A8B8G8R8_SNORM:
case PIPE_FORMAT_X8B8G8R8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_R8G8B8A8_SINT;
break;
case PIPE_FORMAT_A8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_A8_SINT;
break;
case PIPE_FORMAT_L8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_L8_SINT;
break;
case PIPE_FORMAT_L8A8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_L8A8_SINT;
break;
case PIPE_FORMAT_I8_SNORM:
dst_templ.format = src_templ.format = PIPE_FORMAT_I8_SINT;
break;
default:; /* fall through */
}
}
vi_disable_dcc_if_incompatible_format(&sctx->b, dst, dst_level,
dst_templ.format);
vi_disable_dcc_if_incompatible_format(&sctx->b, src, src_level,
src_templ.format);
/* Initialize the surface. */
dst_view = si_create_surface_custom(ctx, dst, &dst_templ,
dst_width0, dst_height0,
dst_width, dst_height);
/* Initialize the sampler view. */
src_view = si_create_sampler_view_custom(ctx, src, &src_templ,
src_width0, src_height0,
src_force_level);
u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height),
abs(src_box->depth), &dstbox);
/* Copy. */
si_blitter_begin(ctx, SI_COPY);
util_blitter_blit_generic(sctx->blitter, dst_view, &dstbox,
src_view, src_box, src_width0, src_height0,
PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL,
false);
si_blitter_end(ctx);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
static void si_do_CB_resolve(struct si_context *sctx,
const struct pipe_blit_info *info,
struct pipe_resource *dst,
unsigned dst_level, unsigned dst_z,
enum pipe_format format)
{
/* Required before and after CB_RESOLVE. */
sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_CB;
si_blitter_begin(&sctx->b.b, SI_COLOR_RESOLVE |
(info->render_condition_enable ? 0 : SI_DISABLE_RENDER_COND));
util_blitter_custom_resolve_color(sctx->blitter, dst, dst_level, dst_z,
info->src.resource, info->src.box.z,
~0, sctx->custom_blend_resolve,
format);
si_blitter_end(&sctx->b.b);
/* Flush caches for possible texturing. */
si_make_CB_shader_coherent(sctx, 1, false);
}
static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct si_context *sctx = (struct si_context*)ctx;
struct r600_texture *src = (struct r600_texture*)info->src.resource;
struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
MAYBE_UNUSED struct r600_texture *rtmp;
unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
enum pipe_format format = info->src.format;
struct pipe_resource *tmp, templ;
struct pipe_blit_info blit;
/* Check basic requirements for hw resolve. */
if (!(info->src.resource->nr_samples > 1 &&
info->dst.resource->nr_samples <= 1 &&
!util_format_is_pure_integer(format) &&
!util_format_is_depth_or_stencil(format) &&
util_max_layer(info->src.resource, 0) == 0))
return false;
/* Hardware MSAA resolve doesn't work if SPI format = NORM16_ABGR and
* the format is R16G16. Use R16A16, which does work.
*/
if (format == PIPE_FORMAT_R16G16_UNORM)
format = PIPE_FORMAT_R16A16_UNORM;
if (format == PIPE_FORMAT_R16G16_SNORM)
format = PIPE_FORMAT_R16A16_SNORM;
/* Check the remaining requirements for hw resolve. */
if (util_max_layer(info->dst.resource, info->dst.level) == 0 &&
!info->scissor_enable &&
(info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA &&
util_is_format_compatible(util_format_description(info->src.format),
util_format_description(info->dst.format)) &&
dst_width == info->src.resource->width0 &&
dst_height == info->src.resource->height0 &&
info->dst.box.x == 0 &&
info->dst.box.y == 0 &&
info->dst.box.width == dst_width &&
info->dst.box.height == dst_height &&
info->dst.box.depth == 1 &&
info->src.box.x == 0 &&
info->src.box.y == 0 &&
info->src.box.width == dst_width &&
info->src.box.height == dst_height &&
info->src.box.depth == 1 &&
!dst->surface.is_linear &&
(!dst->cmask.size || !dst->dirty_level_mask)) { /* dst cannot be fast-cleared */
/* Check the last constraint. */
if (src->surface.micro_tile_mode != dst->surface.micro_tile_mode) {
/* The next fast clear will switch to this mode to
* get direct hw resolve next time if the mode is
* different now.
*/
src->last_msaa_resolve_target_micro_mode =
dst->surface.micro_tile_mode;
goto resolve_to_temp;
}
/* Resolving into a surface with DCC is unsupported. Since
* it's being overwritten anyway, clear it to uncompressed.
* This is still the fastest codepath even with this clear.
*/
if (vi_dcc_enabled(dst, info->dst.level)) {
/* TODO: Implement per-level DCC clears for GFX9. */
if (sctx->b.chip_class >= GFX9 &&
info->dst.resource->last_level != 0)
goto resolve_to_temp;
vi_dcc_clear_level(sctx, dst, info->dst.level,
0xFFFFFFFF);
dst->dirty_level_mask &= ~(1 << info->dst.level);
}
/* Resolve directly from src to dst. */
si_do_CB_resolve(sctx, info, info->dst.resource,
info->dst.level, info->dst.box.z, format);
return true;
}
resolve_to_temp:
/* Shader-based resolve is VERY SLOW. Instead, resolve into
* a temporary texture and blit.
*/
memset(&templ, 0, sizeof(templ));
templ.target = PIPE_TEXTURE_2D;
templ.format = info->src.resource->format;
templ.width0 = info->src.resource->width0;
templ.height0 = info->src.resource->height0;
templ.depth0 = 1;
templ.array_size = 1;
templ.usage = PIPE_USAGE_DEFAULT;
templ.flags = R600_RESOURCE_FLAG_FORCE_TILING |
R600_RESOURCE_FLAG_DISABLE_DCC;
/* The src and dst microtile modes must be the same. */
if (src->surface.micro_tile_mode == RADEON_MICRO_MODE_DISPLAY)
templ.bind = PIPE_BIND_SCANOUT;
else
templ.bind = 0;
tmp = ctx->screen->resource_create(ctx->screen, &templ);
if (!tmp)
return false;
rtmp = (struct r600_texture*)tmp;
assert(!rtmp->surface.is_linear);
assert(src->surface.micro_tile_mode == rtmp->surface.micro_tile_mode);
/* resolve */
si_do_CB_resolve(sctx, info, tmp, 0, 0, format);
/* blit */
blit = *info;
blit.src.resource = tmp;
blit.src.box.z = 0;
si_blitter_begin(ctx, SI_BLIT |
(info->render_condition_enable ? 0 : SI_DISABLE_RENDER_COND));
util_blitter_blit(sctx->blitter, &blit);
si_blitter_end(ctx);
pipe_resource_reference(&tmp, NULL);
return true;
}
static void si_blit(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct si_context *sctx = (struct si_context*)ctx;
struct r600_texture *rdst = (struct r600_texture *)info->dst.resource;
if (do_hardware_msaa_resolve(ctx, info)) {
return;
}
/* Using SDMA for copying to a linear texture in GTT is much faster.
* This improves DRI PRIME performance.
*
* resource_copy_region can't do this yet, because dma_copy calls it
* on failure (recursion).
*/
if (rdst->surface.is_linear &&
sctx->b.dma_copy &&
util_can_blit_via_copy_region(info, false)) {
sctx->b.dma_copy(ctx, info->dst.resource, info->dst.level,
info->dst.box.x, info->dst.box.y,
info->dst.box.z,
info->src.resource, info->src.level,
&info->src.box);
return;
}
assert(util_blitter_is_blit_supported(sctx->blitter, info));
/* The driver doesn't decompress resources automatically while
* u_blitter is rendering. */
vi_disable_dcc_if_incompatible_format(&sctx->b, info->src.resource,
info->src.level,
info->src.format);
vi_disable_dcc_if_incompatible_format(&sctx->b, info->dst.resource,
info->dst.level,
info->dst.format);
si_decompress_subresource(ctx, info->src.resource, info->mask,
info->src.level,
info->src.box.z,
info->src.box.z + info->src.box.depth - 1);
if (sctx->screen->debug_flags & DBG(FORCE_DMA) &&
util_try_blit_via_copy_region(ctx, info))
return;
si_blitter_begin(ctx, SI_BLIT |
(info->render_condition_enable ? 0 : SI_DISABLE_RENDER_COND));
util_blitter_blit(sctx->blitter, info);
si_blitter_end(ctx);
}
static boolean si_generate_mipmap(struct pipe_context *ctx,
struct pipe_resource *tex,
enum pipe_format format,
unsigned base_level, unsigned last_level,
unsigned first_layer, unsigned last_layer)
{
struct si_context *sctx = (struct si_context*)ctx;
struct r600_texture *rtex = (struct r600_texture *)tex;
if (!util_blitter_is_copy_supported(sctx->blitter, tex, tex))
return false;
/* The driver doesn't decompress resources automatically while
* u_blitter is rendering. */
vi_disable_dcc_if_incompatible_format(&sctx->b, tex, base_level,
format);
si_decompress_subresource(ctx, tex, PIPE_MASK_RGBAZS,
base_level, first_layer, last_layer);
/* Clear dirty_level_mask for the levels that will be overwritten. */
assert(base_level < last_level);
rtex->dirty_level_mask &= ~u_bit_consecutive(base_level + 1,
last_level - base_level);
sctx->generate_mipmap_for_depth = rtex->is_depth;
si_blitter_begin(ctx, SI_BLIT | SI_DISABLE_RENDER_COND);
util_blitter_generate_mipmap(sctx->blitter, tex, format,
base_level, last_level,
first_layer, last_layer);
si_blitter_end(ctx);
sctx->generate_mipmap_for_depth = false;
return true;
}
static void si_flush_resource(struct pipe_context *ctx,
struct pipe_resource *res)
{
struct r600_texture *rtex = (struct r600_texture*)res;
assert(res->target != PIPE_BUFFER);
assert(!rtex->dcc_separate_buffer || rtex->dcc_gather_statistics);
/* st/dri calls flush twice per frame (not a bug), this prevents double
* decompression. */
if (rtex->dcc_separate_buffer && !rtex->separate_dcc_dirty)
return;
if (!rtex->is_depth && (rtex->cmask.size || rtex->dcc_offset)) {
si_blit_decompress_color(ctx, rtex, 0, res->last_level,
0, util_max_layer(res, 0),
rtex->dcc_separate_buffer != NULL);
}
/* Always do the analysis even if DCC is disabled at the moment. */
if (rtex->dcc_gather_statistics && rtex->separate_dcc_dirty) {
rtex->separate_dcc_dirty = false;
vi_separate_dcc_process_and_reset_stats(ctx, rtex);
}
}
static void si_decompress_dcc(struct pipe_context *ctx,
struct r600_texture *rtex)
{
if (!rtex->dcc_offset)
return;
si_blit_decompress_color(ctx, rtex, 0, rtex->resource.b.b.last_level,
0, util_max_layer(&rtex->resource.b.b, 0),
true);
}
void si_init_blit_functions(struct si_context *sctx)
{
sctx->b.b.resource_copy_region = si_resource_copy_region;
sctx->b.b.blit = si_blit;
sctx->b.b.flush_resource = si_flush_resource;
sctx->b.b.generate_mipmap = si_generate_mipmap;
sctx->b.blit_decompress_depth = si_blit_decompress_depth;
sctx->b.decompress_dcc = si_decompress_dcc;
}