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mesa/src/gallium/drivers/radeon/r600_texture.c

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/*
* 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.
*
* Authors:
* Jerome Glisse
* Corbin Simpson
*/
#include "r600_pipe_common.h"
#include "r600_cs.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_pack_color.h"
#include <errno.h>
#include <inttypes.h>
/* Same as resource_copy_region, except that both upsampling and downsampling are allowed. */
static void r600_copy_region_with_blit(struct pipe_context *pipe,
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 pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = src;
blit.src.format = src->format;
blit.src.level = src_level;
blit.src.box = *src_box;
blit.dst.resource = dst;
blit.dst.format = dst->format;
blit.dst.level = dst_level;
blit.dst.box.x = dstx;
blit.dst.box.y = dsty;
blit.dst.box.z = dstz;
blit.dst.box.width = src_box->width;
blit.dst.box.height = src_box->height;
blit.dst.box.depth = src_box->depth;
blit.mask = util_format_get_mask(src->format) &
util_format_get_mask(dst->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
if (blit.mask) {
pipe->blit(pipe, &blit);
}
}
/* Copy from a full GPU texture to a transfer's staging one. */
static void r600_copy_to_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
{
struct r600_common_context *rctx = (struct r600_common_context*)ctx;
struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
struct pipe_resource *dst = &rtransfer->staging->b.b;
struct pipe_resource *src = transfer->resource;
if (src->nr_samples > 1) {
r600_copy_region_with_blit(ctx, dst, 0, 0, 0, 0,
src, transfer->level, &transfer->box);
return;
}
rctx->dma_copy(ctx, dst, 0, 0, 0, 0, src, transfer->level,
&transfer->box);
}
/* Copy from a transfer's staging texture to a full GPU one. */
static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer)
{
struct r600_common_context *rctx = (struct r600_common_context*)ctx;
struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer;
struct pipe_resource *dst = transfer->resource;
struct pipe_resource *src = &rtransfer->staging->b.b;
struct pipe_box sbox;
u_box_3d(0, 0, 0, transfer->box.width, transfer->box.height, transfer->box.depth, &sbox);
if (dst->nr_samples > 1) {
r600_copy_region_with_blit(ctx, dst, transfer->level,
transfer->box.x, transfer->box.y, transfer->box.z,
src, 0, &sbox);
return;
}
rctx->dma_copy(ctx, dst, transfer->level,
transfer->box.x, transfer->box.y, transfer->box.z,
src, 0, &sbox);
}
static unsigned r600_texture_get_offset(struct r600_texture *rtex, unsigned level,
const struct pipe_box *box)
{
enum pipe_format format = rtex->resource.b.b.format;
return rtex->surface.level[level].offset +
box->z * rtex->surface.level[level].slice_size +
box->y / util_format_get_blockheight(format) * rtex->surface.level[level].pitch_bytes +
box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
}
static int r600_init_surface(struct r600_common_screen *rscreen,
struct radeon_surface *surface,
const struct pipe_resource *ptex,
unsigned array_mode,
bool is_flushed_depth)
{
const struct util_format_description *desc =
util_format_description(ptex->format);
bool is_depth, is_stencil;
is_depth = util_format_has_depth(desc);
is_stencil = util_format_has_stencil(desc);
surface->npix_x = ptex->width0;
surface->npix_y = ptex->height0;
surface->npix_z = ptex->depth0;
surface->blk_w = util_format_get_blockwidth(ptex->format);
surface->blk_h = util_format_get_blockheight(ptex->format);
surface->blk_d = 1;
surface->array_size = 1;
surface->last_level = ptex->last_level;
if (rscreen->chip_class >= EVERGREEN && !is_flushed_depth &&
ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
surface->bpe = 4; /* stencil is allocated separately on evergreen */
} else {
surface->bpe = util_format_get_blocksize(ptex->format);
/* align byte per element on dword */
if (surface->bpe == 3) {
surface->bpe = 4;
}
}
surface->nsamples = ptex->nr_samples ? ptex->nr_samples : 1;
surface->flags = RADEON_SURF_SET(array_mode, MODE);
switch (ptex->target) {
case PIPE_TEXTURE_1D:
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D, TYPE);
break;
case PIPE_TEXTURE_RECT:
case PIPE_TEXTURE_2D:
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE);
break;
case PIPE_TEXTURE_3D:
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_3D, TYPE);
break;
case PIPE_TEXTURE_1D_ARRAY:
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_1D_ARRAY, TYPE);
surface->array_size = ptex->array_size;
break;
case PIPE_TEXTURE_2D_ARRAY:
case PIPE_TEXTURE_CUBE_ARRAY: /* cube array layout like 2d array */
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D_ARRAY, TYPE);
surface->array_size = ptex->array_size;
break;
case PIPE_TEXTURE_CUBE:
surface->flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_CUBEMAP, TYPE);
break;
case PIPE_BUFFER:
default:
return -EINVAL;
}
if (ptex->bind & PIPE_BIND_SCANOUT) {
surface->flags |= RADEON_SURF_SCANOUT;
}
if (!is_flushed_depth && is_depth) {
surface->flags |= RADEON_SURF_ZBUFFER;
if (is_stencil) {
surface->flags |= RADEON_SURF_SBUFFER |
RADEON_SURF_HAS_SBUFFER_MIPTREE;
}
}
if (rscreen->chip_class >= SI) {
surface->flags |= RADEON_SURF_HAS_TILE_MODE_INDEX;
}
return 0;
}
static int r600_setup_surface(struct pipe_screen *screen,
struct r600_texture *rtex,
unsigned pitch_in_bytes_override)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
int r;
r = rscreen->ws->surface_init(rscreen->ws, &rtex->surface);
if (r) {
return r;
}
rtex->size = rtex->surface.bo_size;
if (pitch_in_bytes_override && pitch_in_bytes_override != rtex->surface.level[0].pitch_bytes) {
/* old ddx on evergreen over estimate alignment for 1d, only 1 level
* for those
*/
rtex->surface.level[0].nblk_x = pitch_in_bytes_override / rtex->surface.bpe;
rtex->surface.level[0].pitch_bytes = pitch_in_bytes_override;
rtex->surface.level[0].slice_size = pitch_in_bytes_override * rtex->surface.level[0].nblk_y;
if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
rtex->surface.stencil_offset =
rtex->surface.stencil_level[0].offset = rtex->surface.level[0].slice_size;
}
}
return 0;
}
static boolean r600_texture_get_handle(struct pipe_screen* screen,
struct pipe_resource *ptex,
struct winsys_handle *whandle)
{
struct r600_texture *rtex = (struct r600_texture*)ptex;
struct r600_resource *resource = &rtex->resource;
struct radeon_surface *surface = &rtex->surface;
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
rscreen->ws->buffer_set_tiling(resource->buf,
NULL,
surface->level[0].mode >= RADEON_SURF_MODE_1D ?
RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
surface->level[0].mode >= RADEON_SURF_MODE_2D ?
RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
surface->bankw, surface->bankh,
surface->tile_split,
surface->stencil_tile_split,
surface->mtilea,
surface->level[0].pitch_bytes,
(surface->flags & RADEON_SURF_SCANOUT) != 0);
return rscreen->ws->buffer_get_handle(resource->buf,
surface->level[0].pitch_bytes, whandle);
}
static void r600_texture_destroy(struct pipe_screen *screen,
struct pipe_resource *ptex)
{
struct r600_texture *rtex = (struct r600_texture*)ptex;
struct r600_resource *resource = &rtex->resource;
if (rtex->flushed_depth_texture)
pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL);
pipe_resource_reference((struct pipe_resource**)&rtex->htile_buffer, NULL);
if (rtex->cmask_buffer != &rtex->resource) {
pipe_resource_reference((struct pipe_resource**)&rtex->cmask_buffer, NULL);
}
pb_reference(&resource->buf, NULL);
FREE(rtex);
}
static const struct u_resource_vtbl r600_texture_vtbl;
/* The number of samples can be specified independently of the texture. */
void r600_texture_get_fmask_info(struct r600_common_screen *rscreen,
struct r600_texture *rtex,
unsigned nr_samples,
struct r600_fmask_info *out)
{
/* FMASK is allocated like an ordinary texture. */
struct radeon_surface fmask = rtex->surface;
memset(out, 0, sizeof(*out));
fmask.bo_alignment = 0;
fmask.bo_size = 0;
fmask.nsamples = 1;
fmask.flags |= RADEON_SURF_FMASK;
/* Force 2D tiling if it wasn't set. This may occur when creating
* FMASK for MSAA resolve on R6xx. On R6xx, the single-sample
* destination buffer must have an FMASK too. */
fmask.flags = RADEON_SURF_CLR(fmask.flags, MODE);
fmask.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE);
if (rscreen->chip_class >= SI) {
fmask.flags |= RADEON_SURF_HAS_TILE_MODE_INDEX;
}
switch (nr_samples) {
case 2:
case 4:
fmask.bpe = 1;
if (rscreen->chip_class <= CAYMAN) {
fmask.bankh = 4;
}
break;
case 8:
fmask.bpe = 4;
break;
default:
R600_ERR("Invalid sample count for FMASK allocation.\n");
return;
}
/* Overallocate FMASK on R600-R700 to fix colorbuffer corruption.
* This can be fixed by writing a separate FMASK allocator specifically
* for R600-R700 asics. */
if (rscreen->chip_class <= R700) {
fmask.bpe *= 2;
}
if (rscreen->ws->surface_init(rscreen->ws, &fmask)) {
R600_ERR("Got error in surface_init while allocating FMASK.\n");
return;
}
assert(fmask.level[0].mode == RADEON_SURF_MODE_2D);
out->slice_tile_max = (fmask.level[0].nblk_x * fmask.level[0].nblk_y) / 64;
if (out->slice_tile_max)
out->slice_tile_max -= 1;
out->tile_mode_index = fmask.tiling_index[0];
out->pitch = fmask.level[0].nblk_x;
out->bank_height = fmask.bankh;
out->alignment = MAX2(256, fmask.bo_alignment);
out->size = fmask.bo_size;
}
static void r600_texture_allocate_fmask(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
r600_texture_get_fmask_info(rscreen, rtex,
rtex->resource.b.b.nr_samples, &rtex->fmask);
rtex->fmask.offset = align(rtex->size, rtex->fmask.alignment);
rtex->size = rtex->fmask.offset + rtex->fmask.size;
}
void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
struct r600_texture *rtex,
struct r600_cmask_info *out)
{
unsigned cmask_tile_width = 8;
unsigned cmask_tile_height = 8;
unsigned cmask_tile_elements = cmask_tile_width * cmask_tile_height;
unsigned element_bits = 4;
unsigned cmask_cache_bits = 1024;
unsigned num_pipes = rscreen->tiling_info.num_channels;
unsigned pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
unsigned elements_per_macro_tile = (cmask_cache_bits / element_bits) * num_pipes;
unsigned pixels_per_macro_tile = elements_per_macro_tile * cmask_tile_elements;
unsigned sqrt_pixels_per_macro_tile = sqrt(pixels_per_macro_tile);
unsigned macro_tile_width = util_next_power_of_two(sqrt_pixels_per_macro_tile);
unsigned macro_tile_height = pixels_per_macro_tile / macro_tile_width;
unsigned pitch_elements = align(rtex->surface.npix_x, macro_tile_width);
unsigned height = align(rtex->surface.npix_y, macro_tile_height);
unsigned base_align = num_pipes * pipe_interleave_bytes;
unsigned slice_bytes =
((pitch_elements * height * element_bits + 7) / 8) / cmask_tile_elements;
assert(macro_tile_width % 128 == 0);
assert(macro_tile_height % 128 == 0);
out->slice_tile_max = ((pitch_elements * height) / (128*128)) - 1;
out->alignment = MAX2(256, base_align);
out->size = (util_max_layer(&rtex->resource.b.b, 0) + 1) *
align(slice_bytes, base_align);
}
static void si_texture_get_cmask_info(struct r600_common_screen *rscreen,
struct r600_texture *rtex,
struct r600_cmask_info *out)
{
unsigned pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
unsigned num_pipes = rscreen->tiling_info.num_channels;
unsigned cl_width, cl_height;
switch (num_pipes) {
case 2:
cl_width = 32;
cl_height = 16;
break;
case 4:
cl_width = 32;
cl_height = 32;
break;
case 8:
cl_width = 64;
cl_height = 32;
break;
case 16: /* Hawaii */
cl_width = 64;
cl_height = 64;
break;
default:
assert(0);
return;
}
unsigned base_align = num_pipes * pipe_interleave_bytes;
unsigned width = align(rtex->surface.npix_x, cl_width*8);
unsigned height = align(rtex->surface.npix_y, cl_height*8);
unsigned slice_elements = (width * height) / (8*8);
/* Each element of CMASK is a nibble. */
unsigned slice_bytes = slice_elements / 2;
out->slice_tile_max = (width * height) / (128*128);
if (out->slice_tile_max)
out->slice_tile_max -= 1;
out->alignment = MAX2(256, base_align);
out->size = (util_max_layer(&rtex->resource.b.b, 0) + 1) *
align(slice_bytes, base_align);
}
static void r600_texture_allocate_cmask(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
if (rscreen->chip_class >= SI) {
si_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
} else {
r600_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
}
rtex->cmask.offset = align(rtex->size, rtex->cmask.alignment);
rtex->size = rtex->cmask.offset + rtex->cmask.size;
if (rscreen->chip_class >= SI)
rtex->cb_color_info |= SI_S_028C70_FAST_CLEAR(1);
else
rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
}
static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
if (rtex->cmask_buffer)
return;
assert(rtex->cmask.size == 0);
if (rscreen->chip_class >= SI) {
si_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
} else {
r600_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
}
rtex->cmask_buffer = (struct r600_resource *)
pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
PIPE_USAGE_DEFAULT, rtex->cmask.size);
if (rtex->cmask_buffer == NULL) {
rtex->cmask.size = 0;
return;
}
/* update colorbuffer state bits */
rtex->cmask.base_address_reg = rtex->cmask_buffer->gpu_address >> 8;
if (rscreen->chip_class >= SI)
rtex->cb_color_info |= SI_S_028C70_FAST_CLEAR(1);
else
rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
}
static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
unsigned cl_width, cl_height, width, height;
unsigned slice_elements, slice_bytes, pipe_interleave_bytes, base_align;
unsigned num_pipes = rscreen->tiling_info.num_channels;
if (rscreen->chip_class <= EVERGREEN &&
rscreen->info.drm_minor < 26)
return 0;
/* HW bug on R6xx. */
if (rscreen->chip_class == R600 &&
(rtex->surface.level[0].npix_x > 7680 ||
rtex->surface.level[0].npix_y > 7680))
return 0;
/* HTILE is broken with 1D tiling on old kernels and CIK. */
if (rscreen->chip_class >= CIK &&
rtex->surface.level[0].mode == RADEON_SURF_MODE_1D &&
rscreen->info.drm_minor < 38)
return 0;
switch (num_pipes) {
case 1:
cl_width = 32;
cl_height = 16;
break;
case 2:
cl_width = 32;
cl_height = 32;
break;
case 4:
cl_width = 64;
cl_height = 32;
break;
case 8:
cl_width = 64;
cl_height = 64;
break;
case 16:
cl_width = 128;
cl_height = 64;
break;
default:
assert(0);
return 0;
}
width = align(rtex->surface.npix_x, cl_width * 8);
height = align(rtex->surface.npix_y, cl_height * 8);
slice_elements = (width * height) / (8 * 8);
slice_bytes = slice_elements * 4;
pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
base_align = num_pipes * pipe_interleave_bytes;
return (util_max_layer(&rtex->resource.b.b, 0) + 1) *
align(slice_bytes, base_align);
}
static void r600_texture_allocate_htile(struct r600_common_screen *rscreen,
struct r600_texture *rtex)
{
unsigned htile_size = r600_texture_get_htile_size(rscreen, rtex);
if (!htile_size)
return;
rtex->htile_buffer = (struct r600_resource*)
pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
PIPE_USAGE_DEFAULT, htile_size);
if (rtex->htile_buffer == NULL) {
/* this is not a fatal error as we can still keep rendering
* without htile buffer */
R600_ERR("Failed to create buffer object for htile buffer.\n");
} else {
r600_screen_clear_buffer(rscreen, &rtex->htile_buffer->b.b, 0, htile_size, 0);
}
}
/* Common processing for r600_texture_create and r600_texture_from_handle */
static struct r600_texture *
r600_texture_create_object(struct pipe_screen *screen,
const struct pipe_resource *base,
unsigned pitch_in_bytes_override,
struct pb_buffer *buf,
struct radeon_surface *surface)
{
struct r600_texture *rtex;
struct r600_resource *resource;
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
rtex = CALLOC_STRUCT(r600_texture);
if (rtex == NULL)
return NULL;
resource = &rtex->resource;
resource->b.b = *base;
resource->b.vtbl = &r600_texture_vtbl;
pipe_reference_init(&resource->b.b.reference, 1);
resource->b.b.screen = screen;
rtex->pitch_override = pitch_in_bytes_override;
/* don't include stencil-only formats which we don't support for rendering */
rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));
rtex->surface = *surface;
if (r600_setup_surface(screen, rtex, pitch_in_bytes_override)) {
FREE(rtex);
return NULL;
}
/* Tiled depth textures utilize the non-displayable tile order.
* This must be done after r600_setup_surface.
* Applies to R600-Cayman. */
rtex->non_disp_tiling = rtex->is_depth && rtex->surface.level[0].mode >= RADEON_SURF_MODE_1D;
if (rtex->is_depth) {
if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER |
R600_RESOURCE_FLAG_FLUSHED_DEPTH)) &&
(rscreen->debug_flags & DBG_HYPERZ)) {
r600_texture_allocate_htile(rscreen, rtex);
}
} else {
if (base->nr_samples > 1) {
if (!buf) {
r600_texture_allocate_fmask(rscreen, rtex);
r600_texture_allocate_cmask(rscreen, rtex);
rtex->cmask_buffer = &rtex->resource;
}
if (!rtex->fmask.size || !rtex->cmask.size) {
FREE(rtex);
return NULL;
}
}
}
/* Now create the backing buffer. */
if (!buf) {
if (!r600_init_resource(rscreen, resource, rtex->size,
rtex->surface.bo_alignment, TRUE)) {
FREE(rtex);
return NULL;
}
} else {
resource->buf = buf;
resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->cs_buf);
resource->domains = rscreen->ws->buffer_get_initial_domain(resource->cs_buf);
}
if (rtex->cmask.size) {
/* Initialize the cmask to 0xCC (= compressed state). */
r600_screen_clear_buffer(rscreen, &rtex->cmask_buffer->b.b,
rtex->cmask.offset, rtex->cmask.size, 0xCCCCCCCC);
}
/* Initialize the CMASK base register value. */
rtex->cmask.base_address_reg =
(rtex->resource.gpu_address + rtex->cmask.offset) >> 8;
if (rscreen->debug_flags & DBG_VM) {
fprintf(stderr, "VM start=0x%"PRIX64" end=0x%"PRIX64" | Texture %ix%ix%i, %i levels, %i samples, %s\n",
rtex->resource.gpu_address,
rtex->resource.gpu_address + rtex->resource.buf->size,
base->width0, base->height0, util_max_layer(base, 0)+1, base->last_level+1,
base->nr_samples ? base->nr_samples : 1, util_format_short_name(base->format));
}
if (rscreen->debug_flags & DBG_TEX ||
(rtex->resource.b.b.last_level > 0 && rscreen->debug_flags & DBG_TEXMIP)) {
printf("Texture: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
"blk_h=%u, blk_d=%u, array_size=%u, last_level=%u, "
"bpe=%u, nsamples=%u, flags=0x%x, %s\n",
rtex->surface.npix_x, rtex->surface.npix_y,
rtex->surface.npix_z, rtex->surface.blk_w,
rtex->surface.blk_h, rtex->surface.blk_d,
rtex->surface.array_size, rtex->surface.last_level,
rtex->surface.bpe, rtex->surface.nsamples,
rtex->surface.flags, util_format_short_name(base->format));
for (int i = 0; i <= rtex->surface.last_level; i++) {
printf(" L %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
"npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
"nblk_z=%u, pitch_bytes=%u, mode=%u\n",
i, rtex->surface.level[i].offset,
rtex->surface.level[i].slice_size,
u_minify(rtex->resource.b.b.width0, i),
u_minify(rtex->resource.b.b.height0, i),
u_minify(rtex->resource.b.b.depth0, i),
rtex->surface.level[i].nblk_x,
rtex->surface.level[i].nblk_y,
rtex->surface.level[i].nblk_z,
rtex->surface.level[i].pitch_bytes,
rtex->surface.level[i].mode);
}
if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
for (int i = 0; i <= rtex->surface.last_level; i++) {
printf(" S %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
"npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
"nblk_z=%u, pitch_bytes=%u, mode=%u\n",
i, rtex->surface.stencil_level[i].offset,
rtex->surface.stencil_level[i].slice_size,
u_minify(rtex->resource.b.b.width0, i),
u_minify(rtex->resource.b.b.height0, i),
u_minify(rtex->resource.b.b.depth0, i),
rtex->surface.stencil_level[i].nblk_x,
rtex->surface.stencil_level[i].nblk_y,
rtex->surface.stencil_level[i].nblk_z,
rtex->surface.stencil_level[i].pitch_bytes,
rtex->surface.stencil_level[i].mode);
}
}
}
return rtex;
}
static unsigned r600_choose_tiling(struct r600_common_screen *rscreen,
const struct pipe_resource *templ)
{
const struct util_format_description *desc = util_format_description(templ->format);
/* MSAA resources must be 2D tiled. */
if (templ->nr_samples > 1)
return RADEON_SURF_MODE_2D;
/* Transfer resources should be linear. */
if (templ->flags & R600_RESOURCE_FLAG_TRANSFER)
return RADEON_SURF_MODE_LINEAR_ALIGNED;
/* Handle common candidates for the linear mode.
* Compressed textures must always be tiled. */
if (!(templ->flags & R600_RESOURCE_FLAG_FORCE_TILING) &&
!util_format_is_compressed(templ->format)) {
/* Not everything can be linear, so we cannot enforce it
* for all textures. */
if ((rscreen->debug_flags & DBG_NO_TILING) &&
(!util_format_is_depth_or_stencil(templ->format) ||
!(templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH)))
return RADEON_SURF_MODE_LINEAR_ALIGNED;
/* Tiling doesn't work with the 422 (SUBSAMPLED) formats on R600+. */
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
return RADEON_SURF_MODE_LINEAR_ALIGNED;
/* Cursors are linear on SI.
* (XXX double-check, maybe also use RADEON_SURF_SCANOUT) */
if (rscreen->chip_class >= SI &&
(templ->bind & PIPE_BIND_CURSOR))
return RADEON_SURF_MODE_LINEAR_ALIGNED;
if (templ->bind & PIPE_BIND_LINEAR)
return RADEON_SURF_MODE_LINEAR_ALIGNED;
/* Textures with a very small height are recommended to be linear. */
if (templ->target == PIPE_TEXTURE_1D ||
templ->target == PIPE_TEXTURE_1D_ARRAY ||
templ->height0 <= 4)
return RADEON_SURF_MODE_LINEAR_ALIGNED;
/* Textures likely to be mapped often. */
if (templ->usage == PIPE_USAGE_STAGING ||
templ->usage == PIPE_USAGE_STREAM)
return RADEON_SURF_MODE_LINEAR_ALIGNED;
}
/* Make small textures 1D tiled. */
if (templ->width0 <= 16 || templ->height0 <= 16 ||
(rscreen->debug_flags & DBG_NO_2D_TILING))
return RADEON_SURF_MODE_1D;
/* The allocator will switch to 1D if needed. */
return RADEON_SURF_MODE_2D;
}
struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
struct radeon_surface surface = {0};
int r;
r = r600_init_surface(rscreen, &surface, templ,
r600_choose_tiling(rscreen, templ),
templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH);
if (r) {
return NULL;
}
r = rscreen->ws->surface_best(rscreen->ws, &surface);
if (r) {
return NULL;
}
return (struct pipe_resource *)r600_texture_create_object(screen, templ,
0, NULL, &surface);
}
static struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
const struct pipe_resource *templ,
struct winsys_handle *whandle)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
struct pb_buffer *buf = NULL;
unsigned stride = 0;
unsigned array_mode;
enum radeon_bo_layout micro, macro;
struct radeon_surface surface;
bool scanout;
int r;
/* Support only 2D textures without mipmaps */
if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
templ->depth0 != 1 || templ->last_level != 0)
return NULL;
buf = rscreen->ws->buffer_from_handle(rscreen->ws, whandle, &stride);
if (!buf)
return NULL;
rscreen->ws->buffer_get_tiling(buf, &micro, &macro,
&surface.bankw, &surface.bankh,
&surface.tile_split,
&surface.stencil_tile_split,
&surface.mtilea, &scanout);
if (macro == RADEON_LAYOUT_TILED)
array_mode = RADEON_SURF_MODE_2D;
else if (micro == RADEON_LAYOUT_TILED)
array_mode = RADEON_SURF_MODE_1D;
else
array_mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
r = r600_init_surface(rscreen, &surface, templ, array_mode, false);
if (r) {
return NULL;
}
if (scanout)
surface.flags |= RADEON_SURF_SCANOUT;
return (struct pipe_resource *)r600_texture_create_object(screen, templ,
stride, buf, &surface);
}
bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
struct pipe_resource *texture,
struct r600_texture **staging)
{
struct r600_texture *rtex = (struct r600_texture*)texture;
struct pipe_resource resource;
struct r600_texture **flushed_depth_texture = staging ?
staging : &rtex->flushed_depth_texture;
if (!staging && rtex->flushed_depth_texture)
return true; /* it's ready */
resource.target = texture->target;
resource.format = texture->format;
resource.width0 = texture->width0;
resource.height0 = texture->height0;
resource.depth0 = texture->depth0;
resource.array_size = texture->array_size;
resource.last_level = texture->last_level;
resource.nr_samples = texture->nr_samples;
resource.usage = staging ? PIPE_USAGE_STAGING : PIPE_USAGE_DEFAULT;
resource.bind = texture->bind & ~PIPE_BIND_DEPTH_STENCIL;
resource.flags = texture->flags | R600_RESOURCE_FLAG_FLUSHED_DEPTH;
if (staging)
resource.flags |= R600_RESOURCE_FLAG_TRANSFER;
*flushed_depth_texture = (struct r600_texture *)ctx->screen->resource_create(ctx->screen, &resource);
if (*flushed_depth_texture == NULL) {
R600_ERR("failed to create temporary texture to hold flushed depth\n");
return false;
}
(*flushed_depth_texture)->is_flushing_texture = TRUE;
(*flushed_depth_texture)->non_disp_tiling = false;
return true;
}
/**
* Initialize the pipe_resource descriptor to be of the same size as the box,
* which is supposed to hold a subregion of the texture "orig" at the given
* mipmap level.
*/
static void r600_init_temp_resource_from_box(struct pipe_resource *res,
struct pipe_resource *orig,
const struct pipe_box *box,
unsigned level, unsigned flags)
{
memset(res, 0, sizeof(*res));
res->format = orig->format;
res->width0 = box->width;
res->height0 = box->height;
res->depth0 = 1;
res->array_size = 1;
res->usage = flags & R600_RESOURCE_FLAG_TRANSFER ? PIPE_USAGE_STAGING : PIPE_USAGE_DEFAULT;
res->flags = flags;
/* We must set the correct texture target and dimensions for a 3D box. */
if (box->depth > 1 && util_max_layer(orig, level) > 0)
res->target = orig->target;
else
res->target = PIPE_TEXTURE_2D;
switch (res->target) {
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY:
case PIPE_TEXTURE_CUBE_ARRAY:
res->array_size = box->depth;
break;
case PIPE_TEXTURE_3D:
res->depth0 = box->depth;
break;
default:;
}
}
static void *r600_texture_transfer_map(struct pipe_context *ctx,
struct pipe_resource *texture,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **ptransfer)
{
struct r600_common_context *rctx = (struct r600_common_context*)ctx;
struct r600_texture *rtex = (struct r600_texture*)texture;
struct r600_transfer *trans;
boolean use_staging_texture = FALSE;
struct r600_resource *buf;
unsigned offset = 0;
char *map;
/* We cannot map a tiled texture directly because the data is
* in a different order, therefore we do detiling using a blit.
*
* Also, use a temporary in GTT memory for read transfers, as
* the CPU is much happier reading out of cached system memory
* than uncached VRAM.
*/
if (rtex->surface.level[0].mode >= RADEON_SURF_MODE_1D)
use_staging_texture = TRUE;
/* Untiled buffers in VRAM, which is slow for CPU reads */
if ((usage & PIPE_TRANSFER_READ) && !(usage & PIPE_TRANSFER_MAP_DIRECTLY) &&
(rtex->resource.domains == RADEON_DOMAIN_VRAM)) {
use_staging_texture = TRUE;
}
/* Use a staging texture for uploads if the underlying BO is busy. */
if (!(usage & PIPE_TRANSFER_READ) &&
(r600_rings_is_buffer_referenced(rctx, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||
rctx->ws->buffer_is_busy(rtex->resource.buf, RADEON_USAGE_READWRITE))) {
use_staging_texture = TRUE;
}
if (texture->flags & R600_RESOURCE_FLAG_TRANSFER) {
use_staging_texture = FALSE;
}
if (use_staging_texture && (usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
return NULL;
}
trans = CALLOC_STRUCT(r600_transfer);
if (trans == NULL)
return NULL;
trans->transfer.resource = texture;
trans->transfer.level = level;
trans->transfer.usage = usage;
trans->transfer.box = *box;
if (rtex->is_depth) {
struct r600_texture *staging_depth;
if (rtex->resource.b.b.nr_samples > 1) {
/* MSAA depth buffers need to be converted to single sample buffers.
*
* Mapping MSAA depth buffers can occur if ReadPixels is called
* with a multisample GLX visual.
*
* First downsample the depth buffer to a temporary texture,
* then decompress the temporary one to staging.
*
* Only the region being mapped is transfered.
*/
struct pipe_resource resource;
r600_init_temp_resource_from_box(&resource, texture, box, level, 0);
if (!r600_init_flushed_depth_texture(ctx, &resource, &staging_depth)) {
R600_ERR("failed to create temporary texture to hold untiled copy\n");
FREE(trans);
return NULL;
}
if (usage & PIPE_TRANSFER_READ) {
struct pipe_resource *temp = ctx->screen->resource_create(ctx->screen, &resource);
r600_copy_region_with_blit(ctx, temp, 0, 0, 0, 0, texture, level, box);
rctx->blit_decompress_depth(ctx, (struct r600_texture*)temp, staging_depth,
0, 0, 0, box->depth, 0, 0);
pipe_resource_reference((struct pipe_resource**)&temp, NULL);
}
}
else {
/* XXX: only readback the rectangle which is being mapped? */
/* XXX: when discard is true, no need to read back from depth texture */
if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) {
R600_ERR("failed to create temporary texture to hold untiled copy\n");
FREE(trans);
return NULL;
}
rctx->blit_decompress_depth(ctx, rtex, staging_depth,
level, level,
box->z, box->z + box->depth - 1,
0, 0);
offset = r600_texture_get_offset(staging_depth, level, box);
}
trans->transfer.stride = staging_depth->surface.level[level].pitch_bytes;
trans->transfer.layer_stride = staging_depth->surface.level[level].slice_size;
trans->staging = (struct r600_resource*)staging_depth;
} else if (use_staging_texture) {
struct pipe_resource resource;
struct r600_texture *staging;
r600_init_temp_resource_from_box(&resource, texture, box, level,
R600_RESOURCE_FLAG_TRANSFER);
resource.usage = (usage & PIPE_TRANSFER_READ) ?
PIPE_USAGE_STAGING : PIPE_USAGE_STREAM;
/* Create the temporary texture. */
staging = (struct r600_texture*)ctx->screen->resource_create(ctx->screen, &resource);
if (staging == NULL) {
R600_ERR("failed to create temporary texture to hold untiled copy\n");
FREE(trans);
return NULL;
}
trans->staging = &staging->resource;
trans->transfer.stride = staging->surface.level[0].pitch_bytes;
trans->transfer.layer_stride = staging->surface.level[0].slice_size;
if (usage & PIPE_TRANSFER_READ) {
r600_copy_to_staging_texture(ctx, trans);
}
} else {
/* the resource is mapped directly */
trans->transfer.stride = rtex->surface.level[level].pitch_bytes;
trans->transfer.layer_stride = rtex->surface.level[level].slice_size;
offset = r600_texture_get_offset(rtex, level, box);
}
if (trans->staging) {
buf = trans->staging;
if (!rtex->is_depth && !(usage & PIPE_TRANSFER_READ))
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
} else {
buf = &rtex->resource;
}
if (!(map = r600_buffer_map_sync_with_rings(rctx, buf, usage))) {
pipe_resource_reference((struct pipe_resource**)&trans->staging, NULL);
FREE(trans);
return NULL;
}
*ptransfer = &trans->transfer;
return map + offset;
}
static void r600_texture_transfer_unmap(struct pipe_context *ctx,
struct pipe_transfer* transfer)
{
struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
struct r600_common_context *rctx = (struct r600_common_context*)ctx;
struct radeon_winsys_cs_handle *buf;
struct pipe_resource *texture = transfer->resource;
struct r600_texture *rtex = (struct r600_texture*)texture;
if (rtransfer->staging) {
buf = rtransfer->staging->cs_buf;
} else {
buf = r600_resource(transfer->resource)->cs_buf;
}
rctx->ws->buffer_unmap(buf);
if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) {
if (rtex->is_depth && rtex->resource.b.b.nr_samples <= 1) {
ctx->resource_copy_region(ctx, texture, transfer->level,
transfer->box.x, transfer->box.y, transfer->box.z,
&rtransfer->staging->b.b, transfer->level,
&transfer->box);
} else {
r600_copy_from_staging_texture(ctx, rtransfer);
}
}
if (rtransfer->staging)
pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL);
FREE(transfer);
}
static const struct u_resource_vtbl r600_texture_vtbl =
{
NULL, /* get_handle */
r600_texture_destroy, /* resource_destroy */
r600_texture_transfer_map, /* transfer_map */
NULL, /* transfer_flush_region */
r600_texture_transfer_unmap, /* transfer_unmap */
NULL /* transfer_inline_write */
};
struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_surface *templ,
unsigned width, unsigned height)
{
struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
if (surface == NULL)
return NULL;
assert(templ->u.tex.first_layer <= util_max_layer(texture, templ->u.tex.level));
assert(templ->u.tex.last_layer <= util_max_layer(texture, templ->u.tex.level));
pipe_reference_init(&surface->base.reference, 1);
pipe_resource_reference(&surface->base.texture, texture);
surface->base.context = pipe;
surface->base.format = templ->format;
surface->base.width = width;
surface->base.height = height;
surface->base.u = templ->u;
return &surface->base;
}
static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
struct pipe_resource *tex,
const struct pipe_surface *templ)
{
unsigned level = templ->u.tex.level;
return r600_create_surface_custom(pipe, tex, templ,
u_minify(tex->width0, level),
u_minify(tex->height0, level));
}
static void r600_surface_destroy(struct pipe_context *pipe,
struct pipe_surface *surface)
{
struct r600_surface *surf = (struct r600_surface*)surface;
pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_fmask, NULL);
pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_cmask, NULL);
pipe_resource_reference(&surface->texture, NULL);
FREE(surface);
}
unsigned r600_translate_colorswap(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
#define HAS_SWIZZLE(chan,swz) (desc->swizzle[chan] == UTIL_FORMAT_SWIZZLE_##swz)
if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
return V_0280A0_SWAP_STD;
if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
return ~0U;
switch (desc->nr_channels) {
case 1:
if (HAS_SWIZZLE(0,X))
return V_0280A0_SWAP_STD; /* X___ */
else if (HAS_SWIZZLE(3,X))
return V_0280A0_SWAP_ALT_REV; /* ___X */
break;
case 2:
if ((HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,Y)) ||
(HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,NONE)) ||
(HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,Y)))
return V_0280A0_SWAP_STD; /* XY__ */
else if ((HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,X)) ||
(HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,NONE)) ||
(HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,X)))
return V_0280A0_SWAP_STD_REV; /* YX__ */
else if (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(3,Y))
return V_0280A0_SWAP_ALT; /* X__Y */
else if (HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(3,X))
return V_0280A0_SWAP_ALT_REV; /* Y__X */
break;
case 3:
if (HAS_SWIZZLE(0,X))
return V_0280A0_SWAP_STD; /* XYZ */
else if (HAS_SWIZZLE(0,Z))
return V_0280A0_SWAP_STD_REV; /* ZYX */
break;
case 4:
/* check the middle channels, the 1st and 4th channel can be NONE */
if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,Z))
return V_0280A0_SWAP_STD; /* XYZW */
else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,Y))
return V_0280A0_SWAP_STD_REV; /* WZYX */
else if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,X))
return V_0280A0_SWAP_ALT; /* ZYXW */
else if (HAS_SWIZZLE(1,X) && HAS_SWIZZLE(2,Y))
return V_0280A0_SWAP_ALT_REV; /* WXYZ */
break;
}
return ~0U;
}
static void evergreen_set_clear_color(struct r600_texture *rtex,
enum pipe_format surface_format,
const union pipe_color_union *color)
{
union util_color uc;
memset(&uc, 0, sizeof(uc));
if (util_format_is_pure_uint(surface_format)) {
util_format_write_4ui(surface_format, color->ui, 0, &uc, 0, 0, 0, 1, 1);
} else if (util_format_is_pure_sint(surface_format)) {
util_format_write_4i(surface_format, color->i, 0, &uc, 0, 0, 0, 1, 1);
} else {
util_pack_color(color->f, surface_format, &uc);
}
memcpy(rtex->color_clear_value, &uc, 2 * sizeof(uint32_t));
}
void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
struct pipe_framebuffer_state *fb,
struct r600_atom *fb_state,
unsigned *buffers,
const union pipe_color_union *color)
{
int i;
if (rctx->current_render_cond)
return;
for (i = 0; i < fb->nr_cbufs; i++) {
struct r600_texture *tex;
unsigned clear_bit = PIPE_CLEAR_COLOR0 << i;
if (!fb->cbufs[i])
continue;
/* if this colorbuffer is not being cleared */
if (!(*buffers & clear_bit))
continue;
tex = (struct r600_texture *)fb->cbufs[i]->texture;
/* 128-bit formats are unusupported */
if (util_format_get_blocksizebits(fb->cbufs[i]->format) > 64) {
continue;
}
/* the clear is allowed if all layers are bound */
if (fb->cbufs[i]->u.tex.first_layer != 0 ||
fb->cbufs[i]->u.tex.last_layer != util_max_layer(&tex->resource.b.b, 0)) {
continue;
}
/* cannot clear mipmapped textures */
if (fb->cbufs[i]->texture->last_level != 0) {
continue;
}
/* only supported on tiled surfaces */
if (tex->surface.level[0].mode < RADEON_SURF_MODE_1D) {
continue;
}
/* fast color clear with 1D tiling doesn't work on old kernels and CIK */
if (tex->surface.level[0].mode == RADEON_SURF_MODE_1D &&
rctx->chip_class >= CIK && rctx->screen->info.drm_minor < 38) {
continue;
}
/* ensure CMASK is enabled */
r600_texture_alloc_cmask_separate(rctx->screen, tex);
if (tex->cmask.size == 0) {
continue;
}
/* Do the fast clear. */
evergreen_set_clear_color(tex, fb->cbufs[i]->format, color);
rctx->clear_buffer(&rctx->b, &tex->cmask_buffer->b.b,
tex->cmask.offset, tex->cmask.size, 0);
tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
fb_state->dirty = true;
*buffers &= ~clear_bit;
}
}
void r600_init_screen_texture_functions(struct r600_common_screen *rscreen)
{
rscreen->b.resource_from_handle = r600_texture_from_handle;
rscreen->b.resource_get_handle = r600_texture_get_handle;
}
void r600_init_context_texture_functions(struct r600_common_context *rctx)
{
rctx->b.create_surface = r600_create_surface;
rctx->b.surface_destroy = r600_surface_destroy;
}
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