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Regard whitespace Rev 4357 → Rev 4358

/contrib/sdk/sources/Mesa/src/gallium/drivers/r600/r600_blit.c
0,0 → 1,913
/*
* 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_BLIT = 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_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_so_targets(rctx->blitter, rctx->streamout.num_targets,
(struct pipe_stream_output_target**)rctx->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->viewport.state);
util_blitter_save_scissor(rctx->blitter, &rctx->scissor.scissor);
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->current_render_cond) {
util_blitter_save_render_condition(rctx->blitter,
rctx->current_render_cond,
rctx->current_render_cond_cond,
rctx->current_render_cond_mode);
}
}
 
static void r600_blitter_end(struct pipe_context *ctx)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_resume_nontimer_queries(rctx);
}
 
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;
rctx->db_misc_state.atom.dirty = true;
 
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;
rctx->db_misc_state.atom.dirty = true;
}
 
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;
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,
&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;
rctx->db_misc_state.atom.dirty = true;
}
 
static void r600_blit_decompress_depth_in_place(struct r600_context *rctx,
struct r600_texture *texture,
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;
 
/* Enable decompression in DB_RENDER_CONTROL */
rctx->db_misc_state.flush_depthstencil_in_place = true;
rctx->db_misc_state.atom.dirty = true;
 
surf_tmpl.format = texture->resource.b.b.format;
 
for (level = first_level; level <= last_level; level++) {
if (!(texture->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->context.create_surface(&rctx->context, &texture->resource.b.b, &surf_tmpl);
 
r600_blitter_begin(&rctx->context, R600_DECOMPRESS);
util_blitter_custom_depth_stencil(rctx->blitter, zsurf, NULL, ~0,
rctx->custom_dsa_flush, 1.0f);
r600_blitter_end(&rctx->context);
 
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) {
texture->dirty_level_mask &= ~(1 << level);
}
}
 
/* Disable decompression in DB_RENDER_CONTROL */
rctx->db_misc_state.flush_depthstencil_in_place = false;
rctx->db_misc_state.atom.dirty = true;
}
 
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);
 
if (rctx->chip_class >= EVERGREEN ||
r600_can_read_depth(tex)) {
r600_blit_decompress_depth_in_place(rctx, tex,
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->context, 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));
}
}
}
 
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, rctx->custom_blend_decompress);
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 && tex->fmask_size);
 
r600_blit_decompress_color(&rctx->context, tex,
view->u.tex.first_level, view->u.tex.last_level,
0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
}
}
 
/* 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->is_depth && !rtex->is_flushing_texture) {
if (rctx->chip_class >= EVERGREEN ||
r600_can_read_depth(rtex)) {
r600_blit_decompress_depth_in_place(rctx, rtex,
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->fmask_size && rtex->cmask_size) {
r600_blit_decompress_color(ctx, rtex, level, level,
first_layer, last_layer);
}
return true;
}
 
static boolean is_simple_msaa_resolve(const struct pipe_blit_info *info)
{
unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
unsigned dst_tile_mode = dst->surface.level[info->dst.level].mode;
 
return info->dst.resource->format == info->src.resource->format &&
info->dst.resource->format == info->dst.format &&
info->src.resource->format == info->src.format &&
!info->scissor_enable &&
info->mask == 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->src.box.x == 0 &&
info->src.box.y == 0 &&
info->src.box.width == dst_width &&
info->src.box.height == 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_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
unsigned offset, unsigned size, unsigned char value);
 
static void evergreen_set_clear_color(struct pipe_surface *cbuf,
const union pipe_color_union *color)
{
unsigned *clear_value = ((struct r600_texture *)cbuf->texture)->color_clear_value;
union util_color uc;
 
memset(&uc, 0, sizeof(uc));
 
if (util_format_is_pure_uint(cbuf->format)) {
util_format_write_4ui(cbuf->format, color->ui, 0, &uc, 0, 0, 0, 1, 1);
} else if (util_format_is_pure_sint(cbuf->format)) {
util_format_write_4i(cbuf->format, color->i, 0, &uc, 0, 0, 0, 1, 1);
} else {
util_pack_color(color->f, cbuf->format, &uc);
}
 
memcpy(clear_value, &uc, 2 * sizeof(uint32_t));
}
 
static bool can_fast_clear_color(struct pipe_context *ctx)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_framebuffer_state *fb = &rctx->framebuffer.state;
int i;
 
if (rctx->chip_class < EVERGREEN) {
return false;
}
 
for (i = 0; i < fb->nr_cbufs; i++) {
struct r600_texture *tex = (struct r600_texture *)fb->cbufs[i]->texture;
 
if (tex->cmask_size == 0) {
return false;
}
 
/* 128-bit formats are unuspported */
if (util_format_get_blocksizebits(fb->cbufs[i]->format) > 64) {
return false;
}
 
/* 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)) {
return false;
}
}
 
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;
 
/* fast color clear on AA framebuffers (EG+) */
if ((buffers & PIPE_CLEAR_COLOR) && can_fast_clear_color(ctx)) {
int i;
 
for (i = 0; i < fb->nr_cbufs; i++) {
struct r600_texture *tex = (struct r600_texture *)fb->cbufs[i]->texture;
 
evergreen_set_clear_color(fb->cbufs[i], color);
r600_clear_buffer(ctx, fb->cbufs[i]->texture,
tex->cmask_offset, tex->cmask_size, 0);
tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
}
 
rctx->framebuffer.atom.dirty = true;
 
buffers &= ~PIPE_CLEAR_COLOR;
if (!buffers)
return;
}
 
/* 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.
*/
/* Only use htile for first level */
if (rtex->htile && !level && rtex->surface.array_size == 1) {
if (rtex->depth_clear != depth) {
rtex->depth_clear = depth;
rctx->db_state.atom.dirty = true;
}
rctx->db_misc_state.htile_clear = true;
rctx->db_misc_state.atom.dirty = true;
}
}
 
r600_blitter_begin(ctx, R600_CLEAR);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
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;
rctx->db_misc_state.atom.dirty = true;
}
}
 
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_cp_dma) {
r600_cp_dma_copy_buffer(rctx, dst, dstx, src, src_box->x, src_box->width);
}
else if (rctx->screen->has_streamout &&
/* Require 4-byte alignment. */
dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) {
 
/* Flush both resources. */
r600_flag_resource_cache_flush(rctx, src);
r600_flag_resource_cache_flush(rctx, dst);
 
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);
 
/* Flush the dst in case the 3D engine has been prefetching the resource. */
r600_flag_resource_cache_flush(rctx, dst);
} else {
util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box);
}
}
 
static void r600_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
unsigned offset, unsigned size, unsigned char value)
{
struct r600_context *rctx = (struct r600_context*)ctx;
uint32_t v = value;
 
if (rctx->screen->has_cp_dma &&
rctx->chip_class >= EVERGREEN &&
offset % 4 == 0 && size % 4 == 0) {
uint32_t clear_value = v | (v << 8) | (v << 16) | (v << 24);
 
evergreen_cp_dma_clear_buffer(rctx, dst, offset, size, clear_value);
} else if (rctx->screen->has_streamout && offset % 4 == 0 && size % 4 == 0) {
union pipe_color_union clear_value;
 
clear_value.ui[0] = v | (v << 8) | (v << 16) | (v << 24);
 
r600_flag_resource_cache_flush(rctx, dst);
 
r600_blitter_begin(ctx, R600_DISABLE_RENDER_COND);
util_blitter_clear_buffer(rctx->blitter, dst, offset, size,
1, &clear_value);
r600_blitter_end(ctx);
 
/* Flush again in case the 3D engine has been prefetching the resource. */
r600_flag_resource_cache_flush(rctx, dst);
} else {
char *map = r600_buffer_mmap_sync_with_rings(rctx, r600_resource(dst),
PIPE_TRANSFER_WRITE);
memset(map + offset, value, size);
}
}
 
void r600_screen_clear_buffer(struct r600_screen *rscreen, struct pipe_resource *dst,
unsigned offset, unsigned size, unsigned char value)
{
pipe_mutex_lock(rscreen->aux_context_lock);
r600_clear_buffer(rscreen->aux_context, dst, offset, size, value);
rscreen->aux_context->flush(rscreen->aux_context, NULL, 0);
pipe_mutex_unlock(rscreen->aux_context_lock);
}
 
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 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;
struct pipe_box sbox, dstbox;
 
/* 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));
 
/* 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(&src_templ, src, src_level);
 
if (util_format_is_compressed(src->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;
} else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
PIPE_MASK_RGBAZS)) {
if (util_format_is_subsampled_2x1_32bpp(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, dst_width, dst_height);
 
if (rctx->chip_class >= EVERGREEN) {
src_view = evergreen_create_sampler_view_custom(ctx, src, &src_templ,
src_width0, src_height0);
} 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,
TRUE);
r600_blitter_end(ctx);
 
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
 
/* For MSAA integer resolving to work, we change the format to NORM using this function. */
static enum pipe_format int_to_norm_format(enum pipe_format format)
{
switch (format) {
#define REPLACE_FORMAT_SIGN(format,sign) \
case PIPE_FORMAT_##format##_##sign##INT: \
return PIPE_FORMAT_##format##_##sign##NORM
#define REPLACE_FORMAT(format) \
REPLACE_FORMAT_SIGN(format, U); \
REPLACE_FORMAT_SIGN(format, S)
 
REPLACE_FORMAT_SIGN(B10G10R10A2, U);
REPLACE_FORMAT(R8);
REPLACE_FORMAT(R8G8);
REPLACE_FORMAT(R8G8B8X8);
REPLACE_FORMAT(R8G8B8A8);
REPLACE_FORMAT(A8);
REPLACE_FORMAT(I8);
REPLACE_FORMAT(L8);
REPLACE_FORMAT(L8A8);
REPLACE_FORMAT(R16);
REPLACE_FORMAT(R16G16);
REPLACE_FORMAT(R16G16B16X16);
REPLACE_FORMAT(R16G16B16A16);
REPLACE_FORMAT(A16);
REPLACE_FORMAT(I16);
REPLACE_FORMAT(L16);
REPLACE_FORMAT(L16A16);
 
#undef REPLACE_FORMAT
#undef REPLACE_FORMAT_SIGN
default:
return format;
}
}
 
static void r600_msaa_color_resolve(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_screen *screen = ctx->screen;
struct pipe_resource *tmp, templ;
struct pipe_blit_info blit;
unsigned sample_mask =
rctx->chip_class == CAYMAN ? ~0 :
((1ull << MAX2(1, info->src.resource->nr_samples)) - 1);
 
assert(info->src.level == 0);
assert(info->src.box.depth == 1);
assert(info->dst.box.depth == 1);
 
if (is_simple_msaa_resolve(info)) {
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
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,
int_to_norm_format(info->dst.format));
r600_blitter_end(ctx);
return;
}
 
/* resolve into a temporary texture, then blit */
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.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);
 
/* resolve */
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
util_blitter_custom_resolve_color(rctx->blitter,
tmp, 0, 0,
info->src.resource, info->src.box.z,
sample_mask, rctx->custom_blend_resolve,
int_to_norm_format(tmp->format));
r600_blitter_end(ctx);
 
/* blit */
blit = *info;
blit.src.resource = tmp;
blit.src.box.z = 0;
 
r600_blitter_begin(ctx, R600_BLIT);
util_blitter_blit(rctx->blitter, &blit);
r600_blitter_end(ctx);
 
pipe_resource_reference(&tmp, NULL);
}
 
static void r600_blit(struct pipe_context *ctx,
const struct pipe_blit_info *info)
{
struct r600_context *rctx = (struct r600_context*)ctx;
 
assert(util_blitter_is_blit_supported(rctx->blitter, info));
 
if (info->src.resource->nr_samples > 1 &&
info->dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(info->src.resource->format) &&
!util_format_is_pure_integer(int_to_norm_format(info->src.resource->format))) {
r600_msaa_color_resolve(ctx, info);
return;
}
 
/* 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 */
}
 
r600_blitter_begin(ctx, R600_BLIT);
util_blitter_blit(rctx->blitter, info);
r600_blitter_end(ctx);
}
 
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.blit = r600_blit;
}