/*
* 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 "compute_memory_pool.h"
#include "evergreen_compute.h"
#include "util/u_surface.h"
#include "util/u_format.h"
#include "evergreend.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_BLIT = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES,
R600_DECOMPRESS = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
R600_COLOR_RESOLVE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER
};
static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
{
struct r600_context *rctx = (struct r600_context *)ctx;
if (rctx->cmd_buf_is_compute) {
rctx->b.gfx.flush(rctx, PIPE_FLUSH_ASYNC, NULL);
rctx->cmd_buf_is_compute = false;
}
util_blitter_save_vertex_buffer_slot(rctx->blitter, rctx->vertex_buffer_state.vb);
util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_fetch_shader.cso);
util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
util_blitter_save_geometry_shader(rctx->blitter, rctx->gs_shader);
util_blitter_save_tessctrl_shader(rctx->blitter, rctx->tcs_shader);
util_blitter_save_tesseval_shader(rctx->blitter, rctx->tes_shader);
util_blitter_save_so_targets(rctx->blitter, rctx->b.streamout.num_targets,
(struct pipe_stream_output_target**)rctx->b.streamout.targets);
util_blitter_save_rasterizer(rctx->blitter, rctx->rasterizer_state.cso);
if (op & R600_SAVE_FRAGMENT_STATE) {
util_blitter_save_viewport(rctx->blitter, &rctx->b.viewports.states[0]);
util_blitter_save_scissor(rctx->blitter, &rctx->b.scissors.states[0]);
util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
util_blitter_save_blend(rctx->blitter, rctx->blend_state.cso);
util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->dsa_state.cso);
util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref.pipe_state);
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.state);
if (op & R600_SAVE_TEXTURES) {
util_blitter_save_fragment_sampler_states(
rctx->blitter, util_last_bit(rctx->samplers[PIPE_SHADER_FRAGMENT].states.enabled_mask),
(void**)rctx->samplers[PIPE_SHADER_FRAGMENT].states.states);
util_blitter_save_fragment_sampler_views(
rctx->blitter, util_last_bit(rctx->samplers[PIPE_SHADER_FRAGMENT].views.enabled_mask),
(struct pipe_sampler_view**)rctx->samplers[PIPE_SHADER_FRAGMENT].views.views);
}
if (op & R600_DISABLE_RENDER_COND)
rctx->b.render_cond_force_off = true;
}
static void r600_blitter_end(struct pipe_context *ctx)
{
struct r600_context *rctx = (struct r600_context *)ctx;
rctx->b.render_cond_force_off = false;
}
static unsigned u_max_sample(struct pipe_resource *r)
{
return r->nr_samples ? r->nr_samples - 1 : 0;
}
static 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->b.chip_class == R600 && max_sample > 0) {
texture->dirty_level_mask = 0;
return;
}
if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
rctx->b.family == CHIP_RV620 || rctx->b.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_mark_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 = util_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_mark_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;
zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
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_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
static void r600_blit_decompress_depth_in_place(struct r600_context *rctx,
struct r600_texture *texture,
bool is_stencil_sampler,
unsigned first_level, unsigned last_level,
unsigned first_layer, unsigned last_layer)
{
struct pipe_surface *zsurf, surf_tmpl = {{0}};
unsigned layer, max_layer, checked_last_layer, level;
unsigned *dirty_level_mask;
/* Enable decompression in DB_RENDER_CONTROL */
if (is_stencil_sampler) {
rctx->db_misc_state.flush_stencil_inplace = true;
dirty_level_mask = &texture->stencil_dirty_level_mask;
} else {
rctx->db_misc_state.flush_depth_inplace = true;
dirty_level_mask = &texture->dirty_level_mask;
}
r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
surf_tmpl.format = texture->resource.b.b.format;
for (level = first_level; level <= last_level; level++) {
if (!(*dirty_level_mask & (1 << level)))
continue;
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 = last_layer < max_layer ? 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 = rctx->b.b.create_surface(&rctx->b.b, &texture->resource.b.b, &surf_tmpl);
r600_blitter_begin(&rctx->b.b, R600_DECOMPRESS);
util_blitter_custom_depth_stencil(rctx->blitter, zsurf, NULL, ~0,
rctx->custom_dsa_flush, 1.0f);
r600_blitter_end(&rctx->b.b);
pipe_surface_reference(&zsurf, 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) {
*dirty_level_mask &= ~(1 << level);
}
}
/* Disable decompression in DB_RENDER_CONTROL */
rctx->db_misc_state.flush_depth_inplace = false;
rctx->db_misc_state.flush_stencil_inplace = false;
r600_mark_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_pipe_sampler_view *rview;
struct r600_texture *tex;
i = u_bit_scan(&depth_texture_mask);
view = &textures->views[i]->base;
assert(view);
rview = (struct r600_pipe_sampler_view*)view;
tex = (struct r600_texture *)view->texture;
assert(tex->db_compatible);
if (r600_can_sample_zs(tex, rview->is_stencil_sampler)) {
r600_blit_decompress_depth_in_place(rctx, tex,
rview->is_stencil_sampler,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
} else {
r600_blit_decompress_depth(&rctx->b.b, tex, NULL,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level),
0, u_max_sample(&tex->resource.b.b));
}
}
}
void r600_decompress_depth_images(struct r600_context *rctx,
struct r600_image_state *images)
{
unsigned i;
unsigned depth_texture_mask = images->compressed_depthtex_mask;
while (depth_texture_mask) {
struct r600_image_view *view;
struct r600_texture *tex;
i = u_bit_scan(&depth_texture_mask);
view = &images->views[i];
assert(view);
tex = (struct r600_texture *)view->base.resource;
assert(tex->db_compatible);
if (r600_can_sample_zs(tex, false)) {
r600_blit_decompress_depth_in_place(rctx, tex,
false,
view->base.u.tex.level,
view->base.u.tex.level,
0, util_max_layer(&tex->resource.b.b, view->base.u.tex.level));
} else {
r600_blit_decompress_depth(&rctx->b.b, tex, NULL,
view->base.u.tex.level,
view->base.u.tex.level,
0, util_max_layer(&tex->resource.b.b, view->base.u.tex.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;
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 = util_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;
cbsurf = ctx->create_surface(ctx, &rtex->resource.b.b, &surf_tmpl);
r600_blitter_begin(ctx, R600_DECOMPRESS);
util_blitter_custom_color(rctx->blitter, cbsurf,
rtex->fmask.size ? rctx->custom_blend_decompress : rctx->custom_blend_fastclear);
r600_blitter_end(ctx);
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);
}
}
}
void r600_decompress_color_textures(struct r600_context *rctx,
struct r600_samplerview_state *textures)
{
unsigned i;
unsigned mask = textures->compressed_colortex_mask;
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);
r600_blit_decompress_color(&rctx->b.b, tex,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
}
}
void r600_decompress_color_images(struct r600_context *rctx,
struct r600_image_state *images)
{
unsigned i;
unsigned mask = images->compressed_colortex_mask;
while (mask) {
struct r600_image_view *view;
struct r600_texture *tex;
i = u_bit_scan(&mask);
view = &images->views[i];
assert(view);
tex = (struct r600_texture *)view->base.resource;
assert(tex->cmask.size);
r600_blit_decompress_color(&rctx->b.b, tex,
view->base.u.tex.level, view->base.u.tex.level,
view->base.u.tex.first_layer,
view->base.u.tex.last_layer);
}
}
/* 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 bool r600_decompress_subresource(struct pipe_context *ctx,
struct pipe_resource *tex,
unsigned level,
unsigned first_layer, unsigned last_layer)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rtex = (struct r600_texture*)tex;
if (rtex->db_compatible) {
if (r600_can_sample_zs(rtex, false)) {
r600_blit_decompress_depth_in_place(rctx, rtex, false,
level, level,
first_layer, last_layer);
if (rtex->surface.has_stencil) {
r600_blit_decompress_depth_in_place(rctx, rtex, true,
level, level,
first_layer, last_layer);
}
} else {
if (!r600_init_flushed_depth_texture(ctx, tex, NULL))
return false; /* error */
r600_blit_decompress_depth(ctx, rtex, NULL,
level, level,
first_layer, last_layer,
0, u_max_sample(tex));
}
} else if (rtex->cmask.size) {
r600_blit_decompress_color(ctx, rtex, level, level,
first_layer, last_layer);
}
return true;
}
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.state;
if (buffers & PIPE_CLEAR_COLOR && rctx->b.chip_class >= EVERGREEN) {
evergreen_do_fast_color_clear(&rctx->b, fb, &rctx->framebuffer.atom,
&buffers, NULL, color);
if (!buffers)
return; /* all buffers have been fast cleared */
}
if (buffers & PIPE_CLEAR_COLOR) {
int i;
/* These buffers cannot use fast clear, make sure to disable expansion. */
for (i = 0; i < fb->nr_cbufs; i++) {
struct r600_texture *tex;
/* If not clearing this buffer, skip. */
if (!(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
if (!fb->cbufs[i])
continue;
tex = (struct r600_texture *)fb->cbufs[i]->texture;
if (tex->fmask.size == 0)
tex->dirty_level_mask &= ~(1 << fb->cbufs[i]->u.tex.level);
}
}
/* if hyperz enabled just clear hyperz */
if (fb->zsbuf && (buffers & PIPE_CLEAR_DEPTH)) {
struct r600_texture *rtex;
unsigned level = fb->zsbuf->u.tex.level;
rtex = (struct r600_texture*)fb->zsbuf->texture;
/* We can't use hyperz fast clear if each slice of a texture
* array are clear to different value. To simplify code just
* disable fast clear for texture array.
*/
if (r600_htile_enabled(rtex, level) &&
fb->zsbuf->u.tex.first_layer == 0 &&
fb->zsbuf->u.tex.last_layer == util_max_layer(&rtex->resource.b.b, level)) {
if (rtex->depth_clear_value != depth) {
rtex->depth_clear_value = depth;
r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
}
rctx->db_misc_state.htile_clear = true;
r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
}
r600_blitter_begin(ctx, R600_CLEAR);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
util_framebuffer_get_num_layers(fb),
buffers, color, depth, stencil);
r600_blitter_end(ctx);
/* disable fast clear */
if (rctx->db_misc_state.htile_clear) {
rctx->db_misc_state.htile_clear = false;
r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
}
}
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,
bool render_condition_enabled)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE |
(render_condition_enabled ? 0 : R600_DISABLE_RENDER_COND));
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,
bool render_condition_enabled)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_blitter_begin(ctx, R600_CLEAR_SURFACE |
(render_condition_enabled ? 0 : R600_DISABLE_RENDER_COND));
util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
dstx, dsty, width, height);
r600_blitter_end(ctx);
}
static 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->b.has_cp_dma) {
r600_cp_dma_copy_buffer(rctx, dst, dstx, src, src_box->x, src_box->width);
}
else if (rctx->screen->b.has_streamout &&
/* Require 4-byte 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);
}
}
/**
* Global buffers are not really resources, they are are actually offsets
* into a single global resource (r600_screen::global_pool). The means
* they don't have their own buf handle, so they cannot be passed
* to r600_copy_buffer() and must be handled separately.
*/
static void r600_copy_global_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;
struct compute_memory_pool *pool = rctx->screen->global_pool;
struct pipe_box new_src_box = *src_box;
if (src->bind & PIPE_BIND_GLOBAL) {
struct r600_resource_global *rsrc =
(struct r600_resource_global *)src;
struct compute_memory_item *item = rsrc->chunk;
if (is_item_in_pool(item)) {
new_src_box.x += 4 * item->start_in_dw;
src = (struct pipe_resource *)pool->bo;
} else {
if (item->real_buffer == NULL) {
item->real_buffer =
r600_compute_buffer_alloc_vram(pool->screen,
item->size_in_dw * 4);
}
src = (struct pipe_resource*)item->real_buffer;
}
}
if (dst->bind & PIPE_BIND_GLOBAL) {
struct r600_resource_global *rdst =
(struct r600_resource_global *)dst;
struct compute_memory_item *item = rdst->chunk;
if (is_item_in_pool(item)) {
dstx += 4 * item->start_in_dw;
dst = (struct pipe_resource *)pool->bo;
} else {
if (item->real_buffer == NULL) {
item->real_buffer =
r600_compute_buffer_alloc_vram(pool->screen,
item->size_in_dw * 4);
}
dst = (struct pipe_resource*)item->real_buffer;
}
}
r600_copy_buffer(ctx, dst, dstx, src, &new_src_box);
}
static void r600_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
uint64_t offset, uint64_t size, unsigned value,
enum r600_coherency coher)
{
struct r600_context *rctx = (struct r600_context*)ctx;
if (rctx->screen->b.has_cp_dma &&
rctx->b.chip_class >= EVERGREEN &&
offset % 4 == 0 && size % 4 == 0) {
evergreen_cp_dma_clear_buffer(rctx, dst, offset, size, value, coher);
} else if (rctx->screen->b.has_streamout && offset % 4 == 0 && size % 4 == 0) {
union pipe_color_union clear_value;
clear_value.ui[0] = value;
r600_blitter_begin(ctx, R600_DISABLE_RENDER_COND);
util_blitter_clear_buffer(rctx->blitter, dst, offset, size,
1, &clear_value);
r600_blitter_end(ctx);
} else {
uint32_t *map = r600_buffer_map_sync_with_rings(&rctx->b, r600_resource(dst),
PIPE_TRANSFER_WRITE);
map += offset / 4;
size /= 4;
for (unsigned i = 0; i < size; i++)
*map++ = value;
}
}
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 pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
unsigned dst_width, dst_height, src_width0, src_height0, src_widthFL, src_heightFL;
unsigned src_force_level = 0;
struct pipe_box sbox, dstbox;
/* Handle buffers first. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
if ((src->bind & PIPE_BIND_GLOBAL) ||
(dst->bind & PIPE_BIND_GLOBAL)) {
r600_copy_global_buffer(ctx, dst, dstx, src, src_box);
} else {
r600_copy_buffer(ctx, dst, dstx, src, src_box);
}
return;
}
assert(u_max_sample(dst) == u_max_sample(src));
/* The driver doesn't decompress resources automatically while
* u_blitter is rendering. */
if (!r600_decompress_subresource(ctx, src, src_level,
src_box->z, src_box->z + src_box->depth - 1)) {
return; /* error */
}
dst_width = u_minify(dst->width0, dst_level);
dst_height = u_minify(dst->height0, dst_level);
src_width0 = src->width0;
src_height0 = src->height0;
src_widthFL = u_minify(src->width0, src_level);
src_heightFL = u_minify(src->height0, src_level);
util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
util_blitter_default_src_texture(rctx->blitter, &src_templ, src, src_level);
if (util_format_is_compressed(src->format) ||
util_format_is_compressed(dst->format)) {
unsigned blocksize = util_format_get_blocksize(src->format);
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);
src_width0 = util_format_get_nblocksx(src->format, src_width0);
src_height0 = util_format_get_nblocksy(src->format, src_height0);
src_widthFL = util_format_get_nblocksx(src->format, src_widthFL);
src_heightFL = util_format_get_nblocksy(src->format, src_heightFL);
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(rctx->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);
src_width0 = util_format_get_nblocksx(src->format, src_width0);
src_widthFL = util_format_get_nblocksx(src->format, src_widthFL);
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 = util_format_get_blocksize(src->format);
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);
}
}
}
dst_view = r600_create_surface_custom(ctx, dst, &dst_templ,
/* we don't care about these two for r600g */
dst->width0, dst->height0,
dst_width, dst_height);
if (rctx->b.chip_class >= EVERGREEN) {
src_view = evergreen_create_sampler_view_custom(ctx, src, &src_templ,
src_width0, src_height0,
src_force_level);
} else {
src_view = r600_create_sampler_view_custom(ctx, src, &src_templ,
src_widthFL, src_heightFL);
}
u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height),
abs(src_box->depth), &dstbox);
/* Copy. */
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_blit_generic(rctx->blitter, dst_view, &dstbox,
src_view, src_box, src_width0, src_height0,
PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL,
FALSE);
r600_blitter_end(ctx);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct r600_context *rctx = (struct r600_context*)ctx;
struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
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;
unsigned sample_mask =
rctx->b.chip_class == CAYMAN ? ~0 :
((1ull << MAX2(1, info->src.resource->nr_samples)) - 1);
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;
/* Check the remaining requirements for hw resolve. */
if (util_max_layer(info->dst.resource, info->dst.level) == 0 &&
util_is_format_compatible(util_format_description(info->src.format),
util_format_description(info->dst.format)) &&
!info->scissor_enable &&
(info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA &&
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.u.legacy.level[info->dst.level].mode >= RADEON_SURF_MODE_1D &&
(!dst->cmask.size || !dst->dirty_level_mask) /* dst cannot be fast-cleared */) {
r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
(info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
util_blitter_custom_resolve_color(rctx->blitter,
info->dst.resource, info->dst.level,
info->dst.box.z,
info->src.resource, info->src.box.z,
sample_mask, rctx->custom_blend_resolve,
format);
r600_blitter_end(ctx);
return true;
}
/* 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;
tmp = ctx->screen->resource_create(ctx->screen, &templ);
if (!tmp)
return false;
/* resolve */
r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
(info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
util_blitter_custom_resolve_color(rctx->blitter, tmp, 0, 0,
info->src.resource, info->src.box.z,
sample_mask, rctx->custom_blend_resolve,
format);
r600_blitter_end(ctx);
/* blit */
blit = *info;
blit.src.resource = tmp;
blit.src.box.z = 0;
r600_blitter_begin(ctx, R600_BLIT |
(info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
util_blitter_blit(rctx->blitter, &blit);
r600_blitter_end(ctx);
pipe_resource_reference(&tmp, NULL);
return true;
}
static void r600_blit(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct r600_context *rctx = (struct r600_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.u.legacy.level[info->dst.level].mode ==
RADEON_SURF_MODE_LINEAR_ALIGNED &&
rctx->b.dma_copy &&
util_can_blit_via_copy_region(info, false)) {
rctx->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(rctx->blitter, info));
/* The driver doesn't decompress resources automatically while
* u_blitter is rendering. */
if (!r600_decompress_subresource(ctx, info->src.resource, info->src.level,
info->src.box.z,
info->src.box.z + info->src.box.depth - 1)) {
return; /* error */
}
if (rctx->screen->b.debug_flags & DBG_FORCE_DMA &&
util_try_blit_via_copy_region(ctx, info))
return;
r600_blitter_begin(ctx, R600_BLIT |
(info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
util_blitter_blit(rctx->blitter, info);
r600_blitter_end(ctx);
}
static void r600_flush_resource(struct pipe_context *ctx,
struct pipe_resource *res)
{
struct r600_texture *rtex = (struct r600_texture*)res;
assert(res->target != PIPE_BUFFER);
if (!rtex->is_depth && rtex->cmask.size) {
r600_blit_decompress_color(ctx, rtex, 0, res->last_level,
0, util_max_layer(res, 0));
}
}
void r600_init_blit_functions(struct r600_context *rctx)
{
rctx->b.b.clear = r600_clear;
rctx->b.b.clear_render_target = r600_clear_render_target;
rctx->b.b.clear_depth_stencil = r600_clear_depth_stencil;
rctx->b.b.resource_copy_region = r600_resource_copy_region;
rctx->b.b.blit = r600_blit;
rctx->b.b.flush_resource = r600_flush_resource;
rctx->b.clear_buffer = r600_clear_buffer;
rctx->b.blit_decompress_depth = r600_blit_decompress_depth;
}