/*
* 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 "r600_pipe.h"
#include "util/u_surface.h"
#include "util/u_blitter.h"
#include "util/u_format.h"
enum r600_blitter_op /* bitmask */
{
R600_SAVE_FRAGMENT_STATE = 1,
R600_SAVE_TEXTURES = 2,
R600_SAVE_FRAMEBUFFER = 4,
R600_DISABLE_RENDER_COND = 8,
R600_CLEAR = R600_SAVE_FRAGMENT_STATE,
R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER,
R600_COPY_BUFFER = R600_DISABLE_RENDER_COND,
R600_COPY_TEXTURE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
R600_DISABLE_RENDER_COND,
R600_DECOMPRESS = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
R600_COLOR_RESOLVE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND
};
static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_suspend_nontimer_queries(rctx);
util_blitter_save_vertex_buffers(rctx->blitter,
util_last_bit(rctx->vertex_buffer_state.enabled_mask),
rctx->vertex_buffer_state.vb);
util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
(struct pipe_stream_output_target**)rctx->so_targets);
util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
if (op & R600_SAVE_FRAGMENT_STATE) {
if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
}
util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
}
util_blitter_save_sample_mask(rctx->blitter, rctx->sample_mask.sample_mask);
}
if (op & R600_SAVE_FRAMEBUFFER)
util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
if (op & R600_SAVE_TEXTURES) {
util_blitter_save_fragment_sampler_states(
rctx->blitter, rctx->ps_samplers.n_samplers,
(void**)rctx->ps_samplers.samplers);
util_blitter_save_fragment_sampler_views(
rctx->blitter, util_last_bit(rctx->ps_samplers.views.enabled_mask),
(struct pipe_sampler_view**)rctx->ps_samplers.views.views);
}
if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
rctx->saved_render_cond = rctx->current_render_cond;
rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
rctx->context.render_condition(&rctx->context, NULL, 0);
}
}
static void r600_blitter_end(struct pipe_context *ctx)
{
struct r600_context *rctx = (struct r600_context *)ctx;
if (rctx->saved_render_cond) {
rctx->context.render_condition(&rctx->context,
rctx->saved_render_cond,
rctx->saved_render_cond_mode);
rctx->saved_render_cond = NULL;
}
r600_resume_nontimer_queries(rctx);
}
static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
{
switch (r->target) {
case PIPE_TEXTURE_CUBE:
return 6 - 1;
case PIPE_TEXTURE_3D:
return u_minify(r->depth0, level) - 1;
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY:
return r->array_size - 1;
default:
return 0;
}
}
static unsigned u_max_sample(struct pipe_resource *r)
{
return r->nr_samples ? r->nr_samples - 1 : 0;
}
void r600_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)
{
struct r600_context *rctx = (struct r600_context *)ctx;
unsigned layer, level, sample, checked_last_layer, max_layer, max_sample;
struct r600_texture *flushed_depth_texture = staging ?
staging : texture->flushed_depth_texture;
const struct util_format_description *desc =
util_format_description(texture->resource.b.b.format);
float depth;
if (!staging && !texture->dirty_level_mask)
return;
max_sample = u_max_sample(&texture->resource.b.b);
/* XXX Decompressing MSAA depth textures is broken on R6xx.
* There is also a hardlock if CMASK and FMASK are not present.
* Just skip this until we find out how to fix it. */
if (rctx->chip_class == R600 && max_sample > 0) {
texture->dirty_level_mask = 0;
return;
}
if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
depth = 0.0f;
else
depth = 1.0f;
/* Enable decompression in DB_RENDER_CONTROL */
rctx->db_misc_state.flush_depthstencil_through_cb = true;
rctx->db_misc_state.copy_depth = util_format_has_depth(desc);
rctx->db_misc_state.copy_stencil = util_format_has_stencil(desc);
rctx->db_misc_state.copy_sample = first_sample;
r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
for (level = first_level; level <= last_level; level++) {
if (!staging && !(texture->dirty_level_mask & (1 << level)))
continue;
/* The smaller the mipmap level, the less layers there are
* as far as 3D textures are concerned. */
max_layer = u_max_layer(&texture->resource.b.b, level);
checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
for (layer = first_layer; layer <= checked_last_layer; layer++) {
for (sample = first_sample; sample <= last_sample; sample++) {
struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
if (sample != rctx->db_misc_state.copy_sample) {
rctx->db_misc_state.copy_sample = sample;
r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
surf_tmpl.format = texture->resource.b.b.format;
surf_tmpl.u.tex.level = level;
surf_tmpl.u.tex.first_layer = layer;
surf_tmpl.u.tex.last_layer = layer;
surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
surf_tmpl.u.tex.level = level;
surf_tmpl.u.tex.first_layer = layer;
surf_tmpl.u.tex.last_layer = layer;
surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
cbsurf = ctx->create_surface(ctx,
&flushed_depth_texture->resource.b.b, &surf_tmpl);
r600_blitter_begin(ctx, R600_DECOMPRESS);
util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, 1 << sample,
rctx->custom_dsa_flush, depth);
r600_blitter_end(ctx);
pipe_surface_reference(&zsurf, NULL);
pipe_surface_reference(&cbsurf, NULL);
}
}
/* The texture will always be dirty if some layers or samples aren't flushed.
* I don't think this case occurs often though. */
if (!staging &&
first_layer == 0 && last_layer == max_layer &&
first_sample == 0 && last_sample == max_sample) {
texture->dirty_level_mask &= ~(1 << level);
}
}
/* reenable compression in DB_RENDER_CONTROL */
rctx->db_misc_state.flush_depthstencil_through_cb = false;
r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
void r600_decompress_depth_textures(struct r600_context *rctx,
struct r600_samplerview_state *textures)
{
unsigned i;
unsigned depth_texture_mask = textures->compressed_depthtex_mask;
while (depth_texture_mask) {
struct pipe_sampler_view *view;
struct r600_texture *tex;
i = u_bit_scan(&depth_texture_mask);
view = &textures->views[i]->base;
assert(view);
tex = (struct r600_texture *)view->texture;
assert(tex->is_depth && !tex->is_flushing_texture);
r600_blit_decompress_depth(&rctx->context, tex, NULL,
view->u.tex.first_level, view->u.tex.last_level,
0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level),
0, u_max_sample(&tex->resource.b.b));
}
}
static void r600_blit_decompress_color(struct pipe_context *ctx,
struct r600_texture *rtex,
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer)
{
struct r600_context *rctx = (struct r600_context *)ctx;
unsigned layer, level, checked_last_layer, max_layer;
assert(rctx->chip_class != CAYMAN);
if (!rtex->dirty_level_mask)
return;
for (level = first_level; level <= last_level; level++) {
if (!(rtex->dirty_level_mask & (1 << level)))
continue;
/* The smaller the mipmap level, the less layers there are
* as far as 3D textures are concerned. */
max_layer = u_max_layer(&rtex->resource.b.b, level);
checked_last_layer = last_layer < max_layer ? 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;
surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
cbsurf = ctx->create_surface(ctx, &rtex->resource.b.b, &surf_tmpl);
r600_blitter_begin(ctx, R600_DECOMPRESS);
util_blitter_custom_color(rctx->blitter, cbsurf,
rctx->custom_blend_decompress);
r600_blitter_end(ctx);
pipe_surface_reference(&cbsurf, NULL);
}
/* The texture will always be dirty if some layers or samples 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);
}
}
}
void r600_decompress_color_textures(struct r600_context *rctx,
struct r600_samplerview_state *textures)
{
unsigned i;
unsigned mask = textures->compressed_colortex_mask;
/* Cayman cannot decompress an MSAA colorbuffer,
* but it can read it compressed, so skip this. */
assert(rctx->chip_class != CAYMAN);
if (rctx->chip_class == CAYMAN) {
return;
}
while (mask) {
struct pipe_sampler_view *view;
struct r600_texture *tex;
i = u_bit_scan(&mask);
view = &textures->views[i]->base;
assert(view);
tex = (struct r600_texture *)view->texture;
assert(tex->cmask_size && tex->fmask_size);
r600_blit_decompress_color(&rctx->context, tex,
view->u.tex.first_level, view->u.tex.last_level,
0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level));
}
}
static void r600_copy_first_sample(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_box box;
if (rsrc->is_depth && !rsrc->is_flushing_texture) {
if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
return; /* error */
/* Decompress the first sample only. */
r600_blit_decompress_depth(ctx, rsrc, NULL,
0, 0,
info->src.layer, info->src.layer,
0, 0);
}
if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
r600_blit_decompress_color(ctx, rsrc,
0, 0,
info->src.layer, info->src.layer);
}
/* this is correct for upside-down blits too */
u_box_2d(info->src.x0,
info->src.y0,
info->src.x1 - info->src.x0,
info->src.y1 - info->src.y0, &box);
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, info->dst.res,
info->dst.level, info->dst.layer, &box);
dst_view = ctx->create_surface(ctx, info->dst.res, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(&src_templ, info->src.res, 0);
src_view = ctx->create_sampler_view(ctx, info->src.res, &src_templ);
/* Copy the first sample into dst. */
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture_view(rctx->blitter, dst_view, ~0, info->dst.x0,
info->dst.y0, src_view, 0, &box,
info->src.res->width0, info->src.res->height0,
info->mask);
r600_blitter_end(ctx);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
static boolean is_simple_resolve(const struct pipe_resolve_info *info)
{
unsigned dst_width = u_minify(info->dst.res->width0, info->dst.level);
unsigned dst_height = u_minify(info->dst.res->height0, info->dst.level);
struct r600_texture *dst = (struct r600_texture*)info->dst.res;
unsigned dst_tile_mode = dst->surface.level[info->dst.level].mode;
return info->dst.res->format == info->src.res->format &&
dst_width == info->src.res->width0 &&
dst_height == info->src.res->height0 &&
info->dst.x0 == 0 &&
info->dst.y0 == 0 &&
info->dst.x1 == dst_width &&
info->dst.y1 == dst_height &&
info->src.x0 == 0 &&
info->src.y0 == 0 &&
info->src.x1 == dst_width &&
info->src.y1 == dst_height &&
/* Dst must be tiled. If it's not, we have to use a temporary
* resource which is tiled. */
dst_tile_mode >= RADEON_SURF_MODE_1D;
}
static void r600_color_resolve(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_screen *screen = ctx->screen;
struct pipe_resource *tmp, templ;
struct pipe_box box;
unsigned sample_mask =
rctx->chip_class == CAYMAN ? ~0 : ((1ull << MAX2(1, info->src.res->nr_samples)) - 1);
assert((info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA);
if (is_simple_resolve(info)) {
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
util_blitter_custom_resolve_color(rctx->blitter,
info->dst.res, info->dst.level, info->dst.layer,
info->src.res, info->src.layer,
sample_mask, rctx->custom_blend_resolve);
r600_blitter_end(ctx);
return;
}
/* resolve into a temporary texture, then blit */
templ.target = PIPE_TEXTURE_2D;
templ.format = info->src.res->format;
templ.width0 = info->src.res->width0;
templ.height0 = info->src.res->height0;
templ.depth0 = 1;
templ.array_size = 1;
templ.last_level = 0;
templ.nr_samples = 0;
templ.usage = PIPE_USAGE_STATIC;
templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
templ.flags = R600_RESOURCE_FLAG_FORCE_TILING; /* dst must not have a linear layout */
tmp = screen->resource_create(screen, &templ);
/* XXX use scissor, so that only the needed part of the resource is resolved */
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
util_blitter_custom_resolve_color(rctx->blitter,
tmp, 0, 0,
info->src.res, info->src.layer,
sample_mask, rctx->custom_blend_resolve);
r600_blitter_end(ctx);
/* this is correct for upside-down blits too */
u_box_2d(info->src.x0,
info->src.y0,
info->src.x1 - info->src.x0,
info->src.y1 - info->src.y0, &box);
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture(rctx->blitter, info->dst.res, info->dst.level,
~0, info->dst.x0, info->dst.y0, info->dst.layer,
tmp, 0, 0, &box);
r600_blitter_end(ctx);
pipe_resource_reference(&tmp, NULL);
}
static void r600_resource_resolve(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
/* make sure we're doing a resolve operation */
assert(info->src.res->nr_samples > 1);
assert(info->dst.res->nr_samples <= 1);
/* limitations of multisample resources */
assert(info->src.res->last_level == 0);
assert(info->src.res->target == PIPE_TEXTURE_2D ||
info->src.res->target == PIPE_TEXTURE_2D_ARRAY);
/* check if the resolve box is valid */
assert(info->dst.x0 < info->dst.x1);
assert(info->dst.y0 < info->dst.y1);
/* scaled resolve isn't allowed */
assert(abs(info->dst.x0 - info->dst.x1) ==
abs(info->src.x0 - info->src.x1));
assert(abs(info->dst.y0 - info->dst.y1) ==
abs(info->src.y0 - info->src.y1));
if ((info->mask & PIPE_MASK_ZS) ||
util_format_is_pure_integer(info->src.res->format)) {
r600_copy_first_sample(ctx, info);
} else {
r600_color_resolve(ctx, info);
}
}
static void r600_clear(struct pipe_context *ctx, unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_framebuffer_state *fb = &rctx->framebuffer;
r600_blitter_begin(ctx, R600_CLEAR);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
color, depth, stencil);
r600_blitter_end(ctx);
}
static void r600_clear_render_target(struct pipe_context *ctx,
struct pipe_surface *dst,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
util_blitter_clear_render_target(rctx->blitter, dst, color,
dstx, dsty, width, height);
r600_blitter_end(ctx);
}
static void r600_clear_depth_stencil(struct pipe_context *ctx,
struct pipe_surface *dst,
unsigned clear_flags,
double depth,
unsigned stencil,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
dstx, dsty, width, height);
r600_blitter_end(ctx);
}
void r600_copy_buffer(struct pipe_context *ctx, struct
pipe_resource *dst, unsigned dstx,
struct pipe_resource *src, const struct pipe_box *src_box)
{
struct r600_context *rctx = (struct r600_context*)ctx;
if (rctx->screen->has_streamout &&
/* Require dword alignment. */
dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) {
r600_blitter_begin(ctx, R600_COPY_BUFFER);
util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width);
r600_blitter_end(ctx);
} else {
util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box);
}
}
struct texture_orig_info {
unsigned format;
unsigned width0;
unsigned height0;
unsigned npix_x;
unsigned npix_y;
unsigned npix0_x;
unsigned npix0_y;
};
static void r600_compressed_to_blittable(struct pipe_resource *tex,
unsigned level,
struct texture_orig_info *orig)
{
struct r600_texture *rtex = (struct r600_texture*)tex;
unsigned pixsize = util_format_get_blocksize(rtex->resource.b.b.format);
int new_format;
int new_height, new_width;
orig->format = tex->format;
orig->width0 = tex->width0;
orig->height0 = tex->height0;
orig->npix0_x = rtex->surface.level[0].npix_x;
orig->npix0_y = rtex->surface.level[0].npix_y;
orig->npix_x = rtex->surface.level[level].npix_x;
orig->npix_y = rtex->surface.level[level].npix_y;
if (pixsize == 8)
new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
else
new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
new_width = util_format_get_nblocksx(tex->format, orig->width0);
new_height = util_format_get_nblocksy(tex->format, orig->height0);
tex->width0 = new_width;
tex->height0 = new_height;
tex->format = new_format;
rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
}
static void r600_subsampled_2x1_32bpp_to_blittable(struct pipe_resource *tex,
unsigned level,
struct texture_orig_info *orig)
{
struct r600_texture *rtex = (struct r600_texture*)tex;
orig->format = tex->format;
orig->width0 = tex->width0;
orig->height0 = tex->height0;
orig->npix0_x = rtex->surface.level[0].npix_x;
orig->npix0_y = rtex->surface.level[0].npix_y;
orig->npix_x = rtex->surface.level[level].npix_x;
orig->npix_y = rtex->surface.level[level].npix_y;
tex->width0 = util_format_get_nblocksx(orig->format, orig->width0);
tex->format = PIPE_FORMAT_R8G8B8A8_UINT;
rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
}
static void r600_change_format(struct pipe_resource *tex,
unsigned level,
struct texture_orig_info *orig,
enum pipe_format format)
{
struct r600_texture *rtex = (struct r600_texture*)tex;
orig->format = tex->format;
orig->width0 = tex->width0;
orig->height0 = tex->height0;
orig->npix0_x = rtex->surface.level[0].npix_x;
orig->npix0_y = rtex->surface.level[0].npix_y;
orig->npix_x = rtex->surface.level[level].npix_x;
orig->npix_y = rtex->surface.level[level].npix_y;
tex->format = format;
}
static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
unsigned level,
struct texture_orig_info *orig)
{
struct r600_texture *rtex = (struct r600_texture*)tex;
tex->format = orig->format;
tex->width0 = orig->width0;
tex->height0 = orig->height0;
rtex->surface.level[0].npix_x = orig->npix0_x;
rtex->surface.level[0].npix_y = orig->npix0_y;
rtex->surface.level[level].npix_x = orig->npix_x;
rtex->surface.level[level].npix_y = orig->npix_y;
}
static bool util_format_is_subsampled_2x1_32bpp(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
return desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED &&
desc->block.width == 2 &&
desc->block.height == 1 &&
desc->block.bits == 32;
}
static void r600_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 r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)src;
struct texture_orig_info orig_info[2];
struct pipe_box sbox;
const struct pipe_box *psbox = src_box;
boolean restore_orig[2];
unsigned last_sample, i;
memset(orig_info, 0, sizeof(orig_info));
/* Handle buffers first. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
r600_copy_buffer(ctx, dst, dstx, src, src_box);
return;
}
assert(u_max_sample(dst) == u_max_sample(src));
last_sample = u_max_sample(dst);
/* This must be done before entering u_blitter to avoid recursion. */
if (rsrc->is_depth && !rsrc->is_flushing_texture) {
if (!r600_init_flushed_depth_texture(ctx, src, NULL))
return; /* error */
r600_blit_decompress_depth(ctx, rsrc, NULL,
src_level, src_level,
src_box->z, src_box->z + src_box->depth - 1,
0, u_max_sample(src));
}
if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
r600_blit_decompress_color(ctx, rsrc, src_level, src_level,
src_box->z, src_box->z + src_box->depth - 1);
}
restore_orig[0] = restore_orig[1] = FALSE;
if (util_format_is_compressed(src->format) &&
util_format_is_compressed(dst->format)) {
r600_compressed_to_blittable(src, src_level, &orig_info[0]);
restore_orig[0] = TRUE;
sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
sbox.z = src_box->z;
sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
sbox.depth = src_box->depth;
psbox = &sbox;
r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
restore_orig[1] = TRUE;
/* translate the dst box as well */
dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
} else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
PIPE_MASK_RGBAZS)) {
if (util_format_is_subsampled_2x1_32bpp(src->format) &&
util_format_is_subsampled_2x1_32bpp(dst->format)) {
r600_subsampled_2x1_32bpp_to_blittable(src, src_level, &orig_info[0]);
r600_subsampled_2x1_32bpp_to_blittable(dst, dst_level, &orig_info[1]);
sbox = *src_box;
sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
psbox = &sbox;
dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
} else {
unsigned blocksize = util_format_get_blocksize(src->format);
switch (blocksize) {
case 1:
r600_change_format(src, src_level, &orig_info[0],
PIPE_FORMAT_R8_UNORM);
r600_change_format(dst, dst_level, &orig_info[1],
PIPE_FORMAT_R8_UNORM);
break;
case 4:
r600_change_format(src, src_level, &orig_info[0],
PIPE_FORMAT_R8G8B8A8_UNORM);
r600_change_format(dst, dst_level, &orig_info[1],
PIPE_FORMAT_R8G8B8A8_UNORM);
break;
default:
fprintf(stderr, "Unhandled format %s with blocksize %u\n",
util_format_short_name(src->format), blocksize);
assert(0);
}
}
restore_orig[0] = TRUE;
restore_orig[1] = TRUE;
}
/* XXX Properly implement multisample textures on Cayman. In the meantime,
* copy only the first sample (which is the only one that doesn't return garbage). */
if (rctx->chip_class == CAYMAN) {
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture(rctx->blitter, dst, dst_level, ~0, dstx, dsty, dstz,
src, src_level, 0, psbox);
r600_blitter_end(ctx);
} else {
for (i = 0; i <= last_sample; i++) {
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture(rctx->blitter, dst, dst_level, 1 << i, dstx, dsty, dstz,
src, src_level, i, psbox);
r600_blitter_end(ctx);
}
}
if (restore_orig[0])
r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
if (restore_orig[1])
r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
}
void r600_init_blit_functions(struct r600_context *rctx)
{
rctx->context.clear = r600_clear;
rctx->context.clear_render_target = r600_clear_render_target;
rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
rctx->context.resource_copy_region = r600_resource_copy_region;
rctx->context.resource_resolve = r600_resource_resolve;
}