radeonsi: allocate DCC in the same backing buffer as the texture

To allow sharing textures with DCC enabled.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák
2016-02-21 22:49:38 +01:00
parent 60c08aa90b
commit b744ac9f44
8 changed files with 38 additions and 57 deletions

View File

@@ -222,7 +222,7 @@ struct r600_texture {
struct r600_fmask_info fmask;
struct r600_cmask_info cmask;
struct r600_resource *cmask_buffer;
struct r600_resource *dcc_buffer;
unsigned dcc_offset; /* 0 = disabled */
unsigned cb_color_info; /* fast clear enable bit */
unsigned color_clear_value[2];

View File

@@ -346,7 +346,6 @@ static void r600_texture_destroy(struct pipe_screen *screen,
if (rtex->cmask_buffer != &rtex->resource) {
pipe_resource_reference((struct pipe_resource**)&rtex->cmask_buffer, NULL);
}
pipe_resource_reference((struct pipe_resource**)&rtex->dcc_buffer, NULL);
pb_reference(&resource->buf, NULL);
FREE(rtex);
}
@@ -569,25 +568,6 @@ static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen
rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
}
static void vi_texture_alloc_dcc_separate(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
if (rscreen->debug_flags & DBG_NO_DCC)
return;
rtex->dcc_buffer = (struct r600_resource *)
r600_aligned_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
PIPE_USAGE_DEFAULT, rtex->surface.dcc_size, rtex->surface.dcc_alignment);
if (rtex->dcc_buffer == NULL) {
return;
}
r600_screen_clear_buffer(rscreen, &rtex->dcc_buffer->b.b, 0, rtex->surface.dcc_size,
0xFFFFFFFF, true);
rtex->cb_color_info |= VI_S_028C70_DCC_ENABLE(1);
}
static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
@@ -722,10 +702,10 @@ void r600_print_texture_info(struct r600_texture *rtex, FILE *f)
rtex->htile_buffer->buf->alignment, rtex->htile.pitch,
rtex->htile.height, rtex->htile.xalign, rtex->htile.yalign);
if (rtex->dcc_buffer) {
fprintf(f, " DCC: size=%u, alignment=%u\n",
rtex->dcc_buffer->b.b.width0,
rtex->dcc_buffer->buf->alignment);
if (rtex->dcc_offset) {
fprintf(f, " DCC: offset=%u, size=%"PRIu64", alignment=%"PRIu64"\n",
rtex->dcc_offset, rtex->surface.dcc_size,
rtex->surface.dcc_alignment);
for (i = 0; i <= rtex->surface.last_level; i++)
fprintf(f, " DCCLevel[%i]: offset=%"PRIu64"\n",
i, rtex->surface.level[i].dcc_offset);
@@ -823,8 +803,14 @@ r600_texture_create_object(struct pipe_screen *screen,
return NULL;
}
}
if (rtex->surface.dcc_size)
vi_texture_alloc_dcc_separate(rscreen, rtex);
if (!buf && rtex->surface.dcc_size &&
!(rscreen->debug_flags & DBG_NO_DCC)) {
/* Reserve space for the DCC buffer. */
rtex->dcc_offset = align(rtex->size, rtex->surface.dcc_alignment);
rtex->size = rtex->dcc_offset + rtex->surface.dcc_size;
rtex->cb_color_info |= VI_S_028C70_DCC_ENABLE(1);
}
}
/* Now create the backing buffer. */
@@ -846,6 +832,12 @@ r600_texture_create_object(struct pipe_screen *screen,
rtex->cmask.offset, rtex->cmask.size,
0xCCCCCCCC, true);
}
if (rtex->dcc_offset) {
r600_screen_clear_buffer(rscreen, &rtex->resource.b.b,
rtex->dcc_offset,
rtex->surface.dcc_size,
0xFFFFFFFF, true);
}
/* Initialize the CMASK base register value. */
rtex->cmask.base_address_reg =
@@ -1553,7 +1545,7 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
continue;
}
if (tex->dcc_buffer) {
if (tex->dcc_offset) {
uint32_t reset_value;
bool clear_words_needed;
@@ -1562,8 +1554,9 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
vi_get_fast_clear_parameters(fb->cbufs[i]->format, color, &reset_value, &clear_words_needed);
rctx->clear_buffer(&rctx->b, &tex->dcc_buffer->b.b,
0, tex->surface.dcc_size, reset_value, true);
rctx->clear_buffer(&rctx->b, &tex->resource.b.b,
tex->dcc_offset, tex->surface.dcc_size,
reset_value, true);
if (clear_words_needed)
tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;

View File

@@ -243,7 +243,7 @@ void cik_sdma_copy(struct pipe_context *ctx,
if (src->format != dst->format ||
rdst->surface.nsamples > 1 || rsrc->surface.nsamples > 1 ||
(rdst->dirty_level_mask | rdst->stencil_dirty_level_mask) & (1 << dst_level) ||
rdst->dcc_buffer || rsrc->dcc_buffer) {
rdst->dcc_offset || rsrc->dcc_offset) {
goto fallback;
}

View File

@@ -330,7 +330,7 @@ void si_decompress_color_textures(struct si_context *sctx,
assert(view);
tex = (struct r600_texture *)view->texture;
assert(tex->cmask.size || tex->fmask.size || tex->dcc_buffer);
assert(tex->cmask.size || tex->fmask.size || tex->dcc_offset);
si_blit_decompress_color(&sctx->b.b, tex,
view->u.tex.first_level, view->u.tex.last_level,
@@ -483,7 +483,7 @@ static void si_decompress_subresource(struct pipe_context *ctx,
si_blit_decompress_depth_in_place(sctx, rtex, true,
level, level,
first_layer, last_layer);
} else if (rtex->fmask.size || rtex->cmask.size || rtex->dcc_buffer) {
} else if (rtex->fmask.size || rtex->cmask.size || rtex->dcc_offset) {
si_blit_decompress_color(ctx, rtex, level, level,
first_layer, last_layer);
}
@@ -712,7 +712,7 @@ static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
dst->surface.level[info->dst.level].mode >= RADEON_SURF_MODE_1D &&
!(dst->surface.flags & RADEON_SURF_SCANOUT) &&
(!dst->cmask.size || !dst->dirty_level_mask) && /* dst cannot be fast-cleared */
!dst->dcc_buffer) {
!dst->dcc_offset) {
si_blitter_begin(ctx, SI_COLOR_RESOLVE |
(info->render_condition_enable ? 0 : SI_DISABLE_RENDER_COND));
util_blitter_custom_resolve_color(sctx->blitter,
@@ -761,7 +761,7 @@ static void si_flush_resource(struct pipe_context *ctx,
assert(res->target != PIPE_BUFFER);
if (!rtex->is_depth && (rtex->cmask.size || rtex->dcc_buffer)) {
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));
}

View File

@@ -158,12 +158,6 @@ static void si_sampler_view_add_buffers(struct si_context *sctx,
rview->resource, RADEON_USAGE_READ,
r600_get_sampler_view_priority(rview->resource));
}
if (rview->dcc_buffer && rview->dcc_buffer != rview->resource) {
radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
rview->dcc_buffer, RADEON_USAGE_READ,
RADEON_PRIO_DCC);
}
}
static void si_sampler_views_begin_new_cs(struct si_context *sctx,
@@ -263,7 +257,7 @@ static void si_set_sampler_views(struct pipe_context *ctx,
samplers->depth_texture_mask &= ~(1 << slot);
}
if (rtex->cmask.size || rtex->fmask.size ||
(rtex->dcc_buffer && rtex->dirty_level_mask)) {
(rtex->dcc_offset && rtex->dirty_level_mask)) {
samplers->compressed_colortex_mask |= 1 << slot;
} else {
samplers->compressed_colortex_mask &= ~(1 << slot);

View File

@@ -249,7 +249,7 @@ void si_dma_copy(struct pipe_context *ctx,
(rdst->dirty_level_mask | rdst->stencil_dirty_level_mask) & (1 << dst_level) ||
rdst->cmask.size || rdst->fmask.size ||
rsrc->cmask.size || rsrc->fmask.size ||
rdst->dcc_buffer || rsrc->dcc_buffer) {
rdst->dcc_offset || rsrc->dcc_offset) {
goto fallback;
}

View File

@@ -121,7 +121,6 @@ struct si_sampler_view {
struct pipe_sampler_view base;
struct list_head list;
struct r600_resource *resource;
struct r600_resource *dcc_buffer;
/* [0..7] = image descriptor
* [4..7] = buffer descriptor */
uint32_t state[8];

View File

@@ -2318,9 +2318,8 @@ static void si_initialize_color_surface(struct si_context *sctx,
surf->cb_color_info = color_info;
surf->cb_color_attrib = color_attrib;
if (sctx->b.chip_class >= VI && rtex->dcc_buffer) {
if (sctx->b.chip_class >= VI && rtex->dcc_offset) {
unsigned max_uncompressed_block_size = 2;
uint64_t dcc_offset = rtex->surface.level[level].dcc_offset;
if (rtex->surface.nsamples > 1) {
if (rtex->surface.bpe == 1)
@@ -2331,7 +2330,9 @@ static void si_initialize_color_surface(struct si_context *sctx,
surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) |
S_028C78_INDEPENDENT_64B_BLOCKS(1);
surf->cb_dcc_base = (rtex->dcc_buffer->gpu_address + dcc_offset) >> 8;
surf->cb_dcc_base = (rtex->resource.gpu_address +
rtex->dcc_offset +
rtex->surface.level[level].dcc_offset) >> 8;
}
if (rtex->fmask.size) {
@@ -2670,12 +2671,6 @@ static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom
RADEON_PRIO_CMASK);
}
if (tex->dcc_buffer && tex->dcc_buffer != &tex->resource) {
radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
tex->dcc_buffer, RADEON_USAGE_READWRITE,
RADEON_PRIO_DCC);
}
radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C,
sctx->b.chip_class >= VI ? 14 : 13);
radeon_emit(cs, cb->cb_color_base); /* R_028C60_CB_COLOR0_BASE */
@@ -3069,13 +3064,13 @@ si_create_sampler_view_custom(struct pipe_context *ctx,
view->state[5] = (S_008F24_BASE_ARRAY(state->u.tex.first_layer) |
S_008F24_LAST_ARRAY(last_layer));
if (tmp->dcc_buffer) {
uint64_t dcc_offset = surflevel[base_level].dcc_offset;
if (tmp->dcc_offset) {
unsigned swap = r600_translate_colorswap(pipe_format);
view->state[6] = S_008F28_COMPRESSION_EN(1) | S_008F28_ALPHA_IS_ON_MSB(swap <= 1);
view->state[7] = (tmp->dcc_buffer->gpu_address + dcc_offset) >> 8;
view->dcc_buffer = tmp->dcc_buffer;
view->state[7] = (tmp->resource.gpu_address +
tmp->dcc_offset +
surflevel[base_level].dcc_offset) >> 8;
} else {
view->state[6] = 0;
view->state[7] = 0;