static void r300_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit_info)
{
struct r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct pipe_blit_info info = *blit_info;
/* Decompress ZMASK. */
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == info.src.resource ||
fb->zsbuf->texture == info.dst.resource) {
r300_decompress_zmask(r300);
}
}
/* Blit a combined depth-stencil resource as color.
* S8Z24 is the only supported stencil format. */
if ((info.mask & PIPE_MASK_S) &&
info.src.format == PIPE_FORMAT_S8_UINT_Z24_UNORM &&
info.dst.format == PIPE_FORMAT_S8_UINT_Z24_UNORM) {
info.src.format = PIPE_FORMAT_B8G8R8A8_UNORM;
info.dst.format = PIPE_FORMAT_B8G8R8A8_UNORM;
if (info.mask & PIPE_MASK_Z) {
info.mask = PIPE_MASK_RGBA; /* depth+stencil */
} else {
info.mask = PIPE_MASK_B; /* stencil only */
}
}
r300_blitter_begin(r300, R300_BLIT);
util_blitter_blit(r300->blitter, &info);
r300_blitter_end(r300);
}
/* Clear a region of a depth stencil surface. */
static void r300_clear_depth_stencil(struct pipe_context *pipe,
struct pipe_surface *dst,
unsigned clear_flags,
double depth,
unsigned stencil,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height,
bool render_condition_enabled)
{
struct r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == dst->texture) {
r300_decompress_zmask(r300);
}
}
/* XXX Do not decompress ZMask of the currently-set zbuffer. */
r300_blitter_begin(r300, R300_CLEAR_SURFACE |
(render_condition_enabled ? 0 : R300_IGNORE_RENDER_COND));
util_blitter_clear_depth_stencil(r300->blitter, dst, clear_flags, depth, stencil,
dstx, dsty, width, height);
r300_blitter_end(r300);
}
static void r300_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit)
{
struct r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct pipe_blit_info info = *blit;
/* MSAA resolve. */
if (info.src.resource->nr_samples > 1 &&
!util_format_is_depth_or_stencil(info.src.resource->format)) {
r300_msaa_resolve(pipe, &info);
return;
}
/* Can't read MSAA textures. */
if (info.src.resource->nr_samples > 1) {
return;
}
/* Blit a combined depth-stencil resource as color.
* S8Z24 is the only supported stencil format. */
if ((info.mask & PIPE_MASK_S) &&
info.src.format == PIPE_FORMAT_S8_UINT_Z24_UNORM &&
info.dst.format == PIPE_FORMAT_S8_UINT_Z24_UNORM) {
if (info.dst.resource->nr_samples > 1) {
/* Cannot do that with MSAA buffers. */
info.mask &= ~PIPE_MASK_S;
if (!(info.mask & PIPE_MASK_Z)) {
return;
}
} else {
/* Single-sample buffer. */
info.src.format = PIPE_FORMAT_B8G8R8A8_UNORM;
info.dst.format = PIPE_FORMAT_B8G8R8A8_UNORM;
if (info.mask & PIPE_MASK_Z) {
info.mask = PIPE_MASK_RGBA; /* depth+stencil */
} else {
info.mask = PIPE_MASK_B; /* stencil only */
}
}
}
/* Decompress ZMASK. */
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == info.src.resource ||
fb->zsbuf->texture == info.dst.resource) {
r300_decompress_zmask(r300);
}
}
r300_blitter_begin(r300, R300_BLIT |
(info.render_condition_enable ? 0 : R300_IGNORE_RENDER_COND));
util_blitter_blit(r300->blitter, &info);
r300_blitter_end(r300);
}
void r300_flush(struct pipe_context *pipe,
unsigned flags,
struct pipe_fence_handle **fence)
{
struct r300_context *r300 = r300_context(pipe);
if (r300->screen->info.drm_minor >= 12) {
flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
}
if (r300->dirty_hw) {
r300_flush_and_cleanup(r300, flags, fence);
} else {
if (fence) {
/* We have to create a fence object, but the command stream is empty
* and we cannot emit an empty CS. Let's write to some reg. */
CS_LOCALS(r300);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
r300->rws->cs_flush(r300->cs, flags, fence, 0);
} else {
/* Even if hw is not dirty, we should at least reset the CS in case
* the space checking failed for the first draw operation. */
r300->rws->cs_flush(r300->cs, flags, NULL, 0);
}
}
/* Update Hyper-Z status. */
if (r300->hyperz_enabled) {
/* If there was a Z clear, keep Hyper-Z access. */
if (r300->num_z_clears) {
r300->hyperz_time_of_last_flush = os_time_get();
r300->num_z_clears = 0;
} else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) {
/* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
r300->hiz_in_use = FALSE;
/* Decompress the Z buffer. */
if (r300->zmask_in_use) {
if (r300->locked_zbuffer) {
r300_decompress_zmask_locked(r300);
} else {
r300_decompress_zmask(r300);
}
if (fence && *fence)
r300->rws->fence_reference(fence, NULL);
r300_flush_and_cleanup(r300, flags, fence);
}
/* Revoke Hyper-Z access, so that some other process can take it. */
r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
FALSE);
r300->hyperz_enabled = FALSE;
}
}
}
void r300_decompress_zmask_locked_unsafe(struct r300_context *r300)
{
struct pipe_framebuffer_state fb;
memset(&fb, 0, sizeof(fb));
fb.width = r300->locked_zbuffer->width;
fb.height = r300->locked_zbuffer->height;
fb.zsbuf = r300->locked_zbuffer;
r300->context.set_framebuffer_state(&r300->context, &fb);
r300_decompress_zmask(r300);
}
/* Copy a block of pixels from one surface to another. */
static void r300_resource_copy_region(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 r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct pipe_resource old_src = *src;
struct pipe_resource old_dst = *dst;
struct pipe_resource new_src = old_src;
struct pipe_resource new_dst = old_dst;
const struct util_format_description *desc =
util_format_description(dst->format);
struct pipe_box box;
/* Fallback for buffers. */
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
return;
}
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == src ||
fb->zsbuf->texture == dst) {
r300_decompress_zmask(r300);
}
}
/* Handle non-renderable plain formats. */
if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN &&
(desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB ||
!pipe->screen->is_format_supported(pipe->screen,
src->format, src->target,
src->nr_samples,
PIPE_BIND_SAMPLER_VIEW) ||
!pipe->screen->is_format_supported(pipe->screen,
dst->format, dst->target,
dst->nr_samples,
PIPE_BIND_RENDER_TARGET))) {
switch (util_format_get_blocksize(old_dst.format)) {
case 1:
new_dst.format = PIPE_FORMAT_I8_UNORM;
break;
case 2:
new_dst.format = PIPE_FORMAT_B4G4R4A4_UNORM;
break;
case 4:
new_dst.format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case 8:
new_dst.format = PIPE_FORMAT_R16G16B16A16_UNORM;
break;
default:
debug_printf("r300: surface_copy: Unhandled format: %s. Falling back to software.\n"
"r300: surface_copy: Software fallback doesn't work for tiled textures.\n",
util_format_short_name(dst->format));
}
new_src.format = new_dst.format;
}
/* Handle compressed formats. */
if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC ||
desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
switch (util_format_get_blocksize(old_dst.format)) {
case 8:
/* 1 pixel = 4 bits,
* we set 1 pixel = 2 bytes ===> 4 times larger pixels. */
new_dst.format = PIPE_FORMAT_B4G4R4A4_UNORM;
break;
case 16:
/* 1 pixel = 8 bits,
* we set 1 pixel = 4 bytes ===> 4 times larger pixels. */
new_dst.format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
}
/* Since the pixels are 4 times larger, we must decrease
* the image size and the coordinates 4 times. */
new_src.format = new_dst.format;
new_dst.height0 = (new_dst.height0 + 3) / 4;
new_src.height0 = (new_src.height0 + 3) / 4;
dsty /= 4;
box = *src_box;
box.y /= 4;
box.height = (box.height + 3) / 4;
src_box = &box;
}
if (old_src.format != new_src.format)
r300_resource_set_properties(pipe->screen, src, &new_src);
if (old_dst.format != new_dst.format)
r300_resource_set_properties(pipe->screen, dst, &new_dst);
r300_hw_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
if (old_src.format != new_src.format)
r300_resource_set_properties(pipe->screen, src, &old_src);
if (old_dst.format != new_dst.format)
r300_resource_set_properties(pipe->screen, dst, &old_dst);
}
/* Copy a block of pixels from one surface to another. */
static void r300_resource_copy_region(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_screen *screen = pipe->screen;
struct r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
unsigned src_width0 = r300_resource(src)->tex.width0;
unsigned src_height0 = r300_resource(src)->tex.height0;
unsigned dst_width0 = r300_resource(dst)->tex.width0;
unsigned dst_height0 = r300_resource(dst)->tex.height0;
unsigned layout;
struct pipe_box box;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_surface dst_templ, *dst_view;
/* Fallback for buffers. */
if ((dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) ||
!r300_is_blit_supported(dst->format)) {
util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
return;
}
/* The code below changes the texture format so that the copy can be done
* on hardware. E.g. depth-stencil surfaces are copied as RGBA
* colorbuffers. */
util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz, src_box);
util_blitter_default_src_texture(&src_templ, src, src_level);
layout = util_format_description(dst_templ.format)->layout;
/* Handle non-renderable plain formats. */
if (layout == UTIL_FORMAT_LAYOUT_PLAIN &&
(!screen->is_format_supported(screen, src_templ.format, src->target,
src->nr_samples,
PIPE_BIND_SAMPLER_VIEW) ||
!screen->is_format_supported(screen, dst_templ.format, dst->target,
dst->nr_samples,
PIPE_BIND_RENDER_TARGET))) {
switch (util_format_get_blocksize(dst_templ.format)) {
case 1:
dst_templ.format = PIPE_FORMAT_I8_UNORM;
break;
case 2:
dst_templ.format = PIPE_FORMAT_B4G4R4A4_UNORM;
break;
case 4:
dst_templ.format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case 8:
dst_templ.format = PIPE_FORMAT_R16G16B16A16_UNORM;
break;
default:
debug_printf("r300: copy_region: Unhandled format: %s. Falling back to software.\n"
"r300: copy_region: Software fallback doesn't work for tiled textures.\n",
util_format_short_name(dst_templ.format));
}
src_templ.format = dst_templ.format;
}
/* Handle compressed formats. */
if (layout == UTIL_FORMAT_LAYOUT_S3TC ||
layout == UTIL_FORMAT_LAYOUT_RGTC) {
assert(src_templ.format == dst_templ.format);
box = *src_box;
src_box = &box;
dst_width0 = align(dst_width0, 4);
dst_height0 = align(dst_height0, 4);
src_width0 = align(src_width0, 4);
src_height0 = align(src_height0, 4);
box.width = align(box.width, 4);
box.height = align(box.height, 4);
switch (util_format_get_blocksize(dst_templ.format)) {
case 8:
/* one 4x4 pixel block has 8 bytes.
* we set 1 pixel = 4 bytes ===> 1 block corrensponds to 2 pixels. */
dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
dst_width0 = dst_width0 / 2;
src_width0 = src_width0 / 2;
dstx /= 2;
box.x /= 2;
box.width /= 2;
break;
case 16:
/* one 4x4 pixel block has 16 bytes.
* we set 1 pixel = 4 bytes ===> 1 block corresponds to 4 pixels. */
dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
break;
}
src_templ.format = dst_templ.format;
dst_height0 = dst_height0 / 4;
src_height0 = src_height0 / 4;
dsty /= 4;
box.y /= 4;
box.height /= 4;
}
/* Fallback for textures. */
if (!screen->is_format_supported(screen, dst_templ.format,
dst->target, dst->nr_samples,
PIPE_BIND_RENDER_TARGET) ||
!screen->is_format_supported(screen, src_templ.format,
src->target, src->nr_samples,
PIPE_BIND_SAMPLER_VIEW)) {
assert(0 && "this shouldn't happen, update r300_is_blit_supported");
util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
return;
}
/* Decompress ZMASK. */
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == src ||
fb->zsbuf->texture == dst) {
r300_decompress_zmask(r300);
}
}
dst_view = r300_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0);
src_view = r300_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0);
r300_blitter_begin(r300, R300_COPY);
util_blitter_blit_generic(r300->blitter, dst_view, dstx, dsty,
abs(src_box->width), abs(src_box->height),
src_view, src_box,
src_width0, src_height0, PIPE_MASK_RGBAZS,
PIPE_TEX_FILTER_NEAREST, NULL, FALSE);
r300_blitter_end(r300);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
void r300_flush(struct pipe_context *pipe,
unsigned flags,
struct pipe_fence_handle **fence)
{
struct r300_context *r300 = r300_context(pipe);
struct pb_buffer **rfence = (struct pb_buffer**)fence;
if (r300->draw && !r300->draw_vbo_locked)
r300_draw_flush_vbuf(r300);
if (r300->screen->info.drm_minor >= 12) {
flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
}
if (rfence) {
/* Create a fence, which is a dummy BO. */
*rfence = r300->rws->buffer_create(r300->rws, 1, 1,
PIPE_BIND_CUSTOM,
RADEON_DOMAIN_GTT);
/* Add the fence as a dummy relocation. */
r300->rws->cs_add_reloc(r300->cs,
r300->rws->buffer_get_cs_handle(*rfence),
RADEON_USAGE_READWRITE, RADEON_DOMAIN_GTT);
}
if (r300->dirty_hw) {
r300_flush_and_cleanup(r300, flags);
} else {
if (rfence) {
/* We have to create a fence object, but the command stream is empty
* and we cannot emit an empty CS. Let's write to some reg. */
CS_LOCALS(r300);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
r300->rws->cs_flush(r300->cs, flags);
} else {
/* Even if hw is not dirty, we should at least reset the CS in case
* the space checking failed for the first draw operation. */
r300->rws->cs_flush(r300->cs, flags);
}
}
/* Update Hyper-Z status. */
if (r300->num_z_clears) {
r300->hyperz_time_of_last_flush = os_time_get();
} else if (!r300->hyperz_time_of_last_flush > 2000000) {
/* 2 seconds without a Z clear pretty much means a dead context
* for HyperZ. */
r300->hiz_in_use = FALSE;
/* Decompress Z buffer. */
if (r300->zmask_in_use) {
if (r300->locked_zbuffer) {
r300_decompress_zmask_locked(r300);
} else {
r300_decompress_zmask(r300);
}
r300_flush_and_cleanup(r300, flags);
}
/* Release HyperZ. */
r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
FALSE);
}
r300->num_z_clears = 0;
}
