if (!rtex->cmask.size)
return;
- rtex->cmask_buffer = (struct r600_resource *)
+ rtex->cmask_buffer =
si_aligned_buffer_create(&sscreen->b,
SI_RESOURCE_FLAG_UNMAPPABLE,
PIPE_USAGE_DEFAULT,
memcpy(rtex->color_clear_value, &uc, 2 * sizeof(uint32_t));
}
-static bool vi_get_fast_clear_parameters(enum pipe_format surface_format,
- const union pipe_color_union *color,
- uint32_t* reset_value,
- bool* clear_words_needed)
+/** Linearize and convert luminace/intensity to red. */
+enum pipe_format si_simplify_cb_format(enum pipe_format format)
{
- bool values[4] = {};
- int i;
- bool main_value = false;
- bool extra_value = false;
- int extra_channel;
+ format = util_format_linear(format);
+ format = util_format_luminance_to_red(format);
+ return util_format_intensity_to_red(format);
+}
+
+bool vi_alpha_is_on_msb(enum pipe_format format)
+{
+ format = si_simplify_cb_format(format);
- /* This is needed to get the correct DCC clear value for luminance formats.
- * 1) Get the linear format (because the next step can't handle L8_SRGB).
- * 2) Convert luminance to red. (the real hw format for luminance)
+ /* Formats with 3 channels can't have alpha. */
+ if (util_format_description(format)->nr_channels == 3)
+ return true; /* same as xxxA; is any value OK here? */
+
+ return si_translate_colorswap(format, false) <= 1;
+}
+
+static bool vi_get_fast_clear_parameters(enum pipe_format base_format,
+ enum pipe_format surface_format,
+ const union pipe_color_union *color,
+ uint32_t* clear_value,
+ bool *eliminate_needed)
+{
+ /* If we want to clear without needing a fast clear eliminate step, we
+ * can set color and alpha independently to 0 or 1 (or 0/max for integer
+ * formats).
*/
- surface_format = util_format_linear(surface_format);
- surface_format = util_format_luminance_to_red(surface_format);
+ bool values[4] = {}; /* whether to clear to 0 or 1 */
+ bool color_value = false; /* clear color to 0 or 1 */
+ bool alpha_value = false; /* clear alpha to 0 or 1 */
+ int alpha_channel; /* index of the alpha component */
+ bool has_color = false;
+ bool has_alpha = false;
- const struct util_format_description *desc = util_format_description(surface_format);
+ const struct util_format_description *desc =
+ util_format_description(si_simplify_cb_format(surface_format));
+ /* 128-bit fast clear with different R,G,B values is unsupported. */
if (desc->block.bits == 128 &&
(color->ui[0] != color->ui[1] ||
color->ui[0] != color->ui[2]))
return false;
- *clear_words_needed = true;
- *reset_value = 0x20202020U;
+ *eliminate_needed = true;
+ *clear_value = 0x20202020U; /* use CB clear color registers */
- /* If we want to clear without needing a fast clear eliminate step, we
- * can set each channel to 0 or 1 (or 0/max for integer formats). We
- * have two sets of flags, one for the last or first channel(extra) and
- * one for the other channels(main).
- */
+ if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
+ return true; /* need ELIMINATE_FAST_CLEAR */
- if (surface_format == PIPE_FORMAT_R11G11B10_FLOAT ||
- surface_format == PIPE_FORMAT_B5G6R5_UNORM ||
- surface_format == PIPE_FORMAT_B5G6R5_SRGB ||
- util_format_is_alpha(surface_format)) {
- extra_channel = -1;
- } else if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
- if (si_translate_colorswap(surface_format, false) <= 1)
- extra_channel = desc->nr_channels - 1;
- else
- extra_channel = 0;
- } else
- return true;
+ bool base_alpha_is_on_msb = vi_alpha_is_on_msb(base_format);
+ bool surf_alpha_is_on_msb = vi_alpha_is_on_msb(surface_format);
- for (i = 0; i < 4; ++i) {
- int index = desc->swizzle[i] - PIPE_SWIZZLE_X;
+ /* Formats with 3 channels can't have alpha. */
+ if (desc->nr_channels == 3)
+ alpha_channel = -1;
+ else if (surf_alpha_is_on_msb)
+ alpha_channel = desc->nr_channels - 1;
+ else
+ alpha_channel = 0;
- if (desc->swizzle[i] < PIPE_SWIZZLE_X ||
- desc->swizzle[i] > PIPE_SWIZZLE_W)
+ for (int i = 0; i < 4; ++i) {
+ if (desc->swizzle[i] >= PIPE_SWIZZLE_0)
continue;
if (desc->channel[i].pure_integer &&
values[i] = color->i[i] != 0;
if (color->i[i] != 0 && MIN2(color->i[i], max) != max)
- return true;
+ return true; /* need ELIMINATE_FAST_CLEAR */
} else if (desc->channel[i].pure_integer &&
desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
/* Use the maximum value for clamping the clear color. */
values[i] = color->ui[i] != 0U;
if (color->ui[i] != 0U && MIN2(color->ui[i], max) != max)
- return true;
+ return true; /* need ELIMINATE_FAST_CLEAR */
} else {
values[i] = color->f[i] != 0.0F;
if (color->f[i] != 0.0F && color->f[i] != 1.0F)
- return true;
+ return true; /* need ELIMINATE_FAST_CLEAR */
}
- if (index == extra_channel)
- extra_value = values[i];
- else
- main_value = values[i];
+ if (desc->swizzle[i] == alpha_channel) {
+ alpha_value = values[i];
+ has_alpha = true;
+ } else {
+ color_value = values[i];
+ has_color = true;
+ }
}
- for (int i = 0; i < 4; ++i)
- if (values[i] != main_value &&
- desc->swizzle[i] - PIPE_SWIZZLE_X != extra_channel &&
- desc->swizzle[i] >= PIPE_SWIZZLE_X &&
- desc->swizzle[i] <= PIPE_SWIZZLE_W)
- return true;
+ /* If alpha isn't present, make it the same as color, and vice versa. */
+ if (!has_alpha)
+ alpha_value = color_value;
+ else if (!has_color)
+ color_value = alpha_value;
+
+ if (color_value != alpha_value &&
+ base_alpha_is_on_msb != surf_alpha_is_on_msb)
+ return true; /* require ELIMINATE_FAST_CLEAR */
+
+ /* Check if all color values are equal if they are present. */
+ for (int i = 0; i < 4; ++i) {
+ if (desc->swizzle[i] <= PIPE_SWIZZLE_W &&
+ desc->swizzle[i] != alpha_channel &&
+ values[i] != color_value)
+ return true; /* require ELIMINATE_FAST_CLEAR */
+ }
- *clear_words_needed = false;
- if (main_value)
- *reset_value |= 0x80808080U;
+ /* This doesn't need ELIMINATE_FAST_CLEAR.
+ * CB uses both the DCC clear codes and the CB clear color registers,
+ * so they must match.
+ */
+ *eliminate_needed = false;
- if (extra_value)
- *reset_value |= 0x40404040U;
+ if (color_value)
+ *clear_value |= 0x80808080U;
+ if (alpha_value)
+ *clear_value |= 0x40404040U;
return true;
}
/* Try to clear DCC first, otherwise try CMASK. */
if (vi_dcc_enabled(tex, 0)) {
uint32_t reset_value;
- bool clear_words_needed;
+ bool eliminate_needed;
if (sctx->screen->debug_flags & DBG(NO_DCC_CLEAR))
continue;
!tex->surface.u.legacy.level[level].dcc_fast_clear_size)
continue;
- if (!vi_get_fast_clear_parameters(fb->cbufs[i]->format,
+ if (!vi_get_fast_clear_parameters(tex->resource.b.b.format,
+ fb->cbufs[i]->format,
color, &reset_value,
- &clear_words_needed))
+ &eliminate_needed))
continue;
- if (clear_words_needed && too_small)
+ if (eliminate_needed && too_small)
continue;
/* DCC fast clear with MSAA should clear CMASK to 0xC. */
if (tex->resource.b.b.nr_samples >= 2 && tex->cmask.size) {
/* TODO: This doesn't work with MSAA. */
- if (clear_words_needed)
+ if (eliminate_needed)
continue;
si_clear_buffer(sctx, &tex->cmask_buffer->b.b,
vi_dcc_clear_level(sctx, tex, 0, reset_value);
- if (clear_words_needed)
+ if (eliminate_needed)
need_decompress_pass = true;
tex->separate_dcc_dirty = true;
si_set_clear_color(tex, fb->cbufs[i]->format, color);
sctx->framebuffer.dirty_cbufs |= 1 << i;
- si_mark_atom_dirty(sctx, &sctx->framebuffer.atom);
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.framebuffer);
*buffers &= ~clear_bit;
}
}
zstex->depth_clear_value = depth;
sctx->framebuffer.dirty_zsbuf = true;
- si_mark_atom_dirty(sctx, &sctx->framebuffer.atom); /* updates DB_DEPTH_CLEAR */
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.framebuffer); /* updates DB_DEPTH_CLEAR */
sctx->db_depth_clear = true;
- si_mark_atom_dirty(sctx, &sctx->db_render_state);
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
}
/* TC-compatible HTILE only supports stencil clears to 0. */
zstex->stencil_clear_value = stencil;
sctx->framebuffer.dirty_zsbuf = true;
- si_mark_atom_dirty(sctx, &sctx->framebuffer.atom); /* updates DB_STENCIL_CLEAR */
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.framebuffer); /* updates DB_STENCIL_CLEAR */
sctx->db_stencil_clear = true;
- si_mark_atom_dirty(sctx, &sctx->db_render_state);
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
}
/* TODO: Find out what's wrong here. Fast depth clear leads to
sctx->db_depth_clear = false;
sctx->db_depth_disable_expclear = false;
zstex->depth_cleared = true;
- si_mark_atom_dirty(sctx, &sctx->db_render_state);
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
}
if (sctx->db_stencil_clear) {
sctx->db_stencil_clear = false;
sctx->db_stencil_disable_expclear = false;
zstex->stencil_cleared = true;
- si_mark_atom_dirty(sctx, &sctx->db_render_state);
+ si_mark_atom_dirty(sctx, &sctx->atoms.s.db_render_state);
}
}
projects / mesa.git / blobdiff