i965/miptree: Rename the non_msrt_mcs functions to _ccs

While we're here, we also make the two support checks static since there
are no users outside intel_mipmap_tree.c.

Reviewed-by: Chad Versace <chadversary@chromium.org>
This commit is contained in:
Jason Ekstrand 2017-06-15 21:02:20 -07:00
parent a7059a764e
commit 764cce442e
3 changed files with 25 additions and 40 deletions

View file

@ -793,7 +793,7 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
*/
if (can_fast_clear && !irb->mt->mcs_buf) {
assert(!intel_miptree_is_lossless_compressed(brw, irb->mt));
if (!intel_miptree_alloc_non_msrt_mcs(brw, irb->mt, false)) {
if (!intel_miptree_alloc_ccs(brw, irb->mt, false)) {
/* There are a few reasons in addition to out-of-memory, that can
* cause intel_miptree_alloc_non_msrt_mcs to fail. Try to recover by
* falling back to non-fast clear.

View file

@ -101,9 +101,8 @@ compute_msaa_layout(struct brw_context *brw, mesa_format format,
}
}
bool
intel_tiling_supports_non_msrt_mcs(const struct brw_context *brw,
unsigned tiling)
static bool
intel_tiling_supports_ccs(const struct brw_context *brw, unsigned tiling)
{
/* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render
* Target(s)", beneath the "Fast Color Clear" bullet (p326):
@ -141,9 +140,9 @@ intel_tiling_supports_non_msrt_mcs(const struct brw_context *brw,
* - MCS and Lossless compression is supported for TiledY/TileYs/TileYf
* non-MSRTs only.
*/
bool
intel_miptree_supports_non_msrt_fast_clear(struct brw_context *brw,
const struct intel_mipmap_tree *mt)
static bool
intel_miptree_supports_ccs(struct brw_context *brw,
const struct intel_mipmap_tree *mt)
{
/* MCS support does not exist prior to Gen7 */
if (brw->gen < 7)
@ -243,9 +242,9 @@ intel_miptree_is_lossless_compressed(const struct brw_context *brw,
return mt->num_samples <= 1;
}
bool
intel_miptree_supports_lossless_compressed(struct brw_context *brw,
const struct intel_mipmap_tree *mt)
static bool
intel_miptree_supports_ccs_e(struct brw_context *brw,
const struct intel_mipmap_tree *mt)
{
/* For now compression is only enabled for integer formats even though
* there exist supported floating point formats also. This is a heuristic
@ -257,8 +256,7 @@ intel_miptree_supports_lossless_compressed(struct brw_context *brw,
if (_mesa_get_format_datatype(mt->format) == GL_FLOAT)
return false;
/* Fast clear mechanism and lossless compression go hand in hand. */
if (!intel_miptree_supports_non_msrt_fast_clear(brw, mt))
if (!intel_miptree_supports_ccs(brw, mt))
return false;
/* Fast clear can be also used to clear srgb surfaces by using equivalent
@ -539,7 +537,7 @@ intel_miptree_create_layout(struct brw_context *brw,
* 7 | ? | ?
* 6 | ? | ?
*/
if (intel_miptree_supports_non_msrt_fast_clear(brw, mt)) {
if (intel_miptree_supports_ccs(brw, mt)) {
if (brw->gen >= 9 || (brw->gen == 8 && num_samples <= 1))
layout_flags |= MIPTREE_LAYOUT_FORCE_HALIGN16;
} else if (brw->gen >= 9 && num_samples > 1) {
@ -861,8 +859,8 @@ intel_miptree_create(struct brw_context *brw,
* clear actually occurs or when compressed single sampled buffer is
* written by the GPU for the first time.
*/
if (intel_tiling_supports_non_msrt_mcs(brw, mt->tiling) &&
intel_miptree_supports_non_msrt_fast_clear(brw, mt)) {
if (intel_tiling_supports_ccs(brw, mt->tiling) &&
intel_miptree_supports_ccs(brw, mt)) {
mt->aux_disable &= ~INTEL_AUX_DISABLE_CCS;
assert(brw->gen < 8 || mt->halign == 16 || num_samples <= 1);
@ -874,10 +872,10 @@ intel_miptree_create(struct brw_context *brw,
const bool is_lossless_compressed =
unlikely(!lossless_compression_disabled) &&
brw->gen >= 9 && !mt->is_scanout &&
intel_miptree_supports_lossless_compressed(brw, mt);
intel_miptree_supports_ccs_e(brw, mt);
if (is_lossless_compressed) {
intel_miptree_alloc_non_msrt_mcs(brw, mt, is_lossless_compressed);
intel_miptree_alloc_ccs(brw, mt, is_lossless_compressed);
}
}
@ -996,8 +994,8 @@ intel_update_winsys_renderbuffer_miptree(struct brw_context *intel,
* Allocation of the MCS miptree will be deferred until the first fast
* clear actually occurs.
*/
if (intel_tiling_supports_non_msrt_mcs(intel, singlesample_mt->tiling) &&
intel_miptree_supports_non_msrt_fast_clear(intel, singlesample_mt)) {
if (intel_tiling_supports_ccs(intel, singlesample_mt->tiling) &&
intel_miptree_supports_ccs(intel, singlesample_mt)) {
singlesample_mt->aux_disable &= ~INTEL_AUX_DISABLE_CCS;
}
@ -1710,9 +1708,9 @@ intel_miptree_alloc_mcs(struct brw_context *brw,
}
bool
intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
bool is_lossless_compressed)
intel_miptree_alloc_ccs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
bool is_ccs_e)
{
assert(mt->mcs_buf == NULL);
assert(!(mt->aux_disable & (INTEL_AUX_DISABLE_MCS | INTEL_AUX_DISABLE_CCS)));
@ -1740,8 +1738,7 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
* not use the gpu access flag which can cause an unnecessary delay if the
* backing pages happened to be just used by the GPU.
*/
const uint32_t alloc_flags =
is_lossless_compressed ? 0 : BO_ALLOC_FOR_RENDER;
const uint32_t alloc_flags = is_ccs_e ? 0 : BO_ALLOC_FOR_RENDER;
mt->mcs_buf = intel_alloc_aux_buffer(brw, "ccs-miptree",
&temp_ccs_surf, alloc_flags, mt);
if (!mt->mcs_buf) {
@ -1755,7 +1752,7 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
* used for lossless compression which requires similar initialisation
* as multi-sample compression.
*/
if (is_lossless_compressed) {
if (is_ccs_e) {
/* Hardware sets the auxiliary buffer to all zeroes when it does full
* resolve. Initialize it accordingly in case the first renderer is
* cpu (or other none compression aware party).

View file

@ -644,21 +644,9 @@ intel_miptree_is_lossless_compressed(const struct brw_context *brw,
const struct intel_mipmap_tree *mt);
bool
intel_tiling_supports_non_msrt_mcs(const struct brw_context *brw,
unsigned tiling);
bool
intel_miptree_supports_non_msrt_fast_clear(struct brw_context *brw,
const struct intel_mipmap_tree *mt);
bool
intel_miptree_supports_lossless_compressed(struct brw_context *brw,
const struct intel_mipmap_tree *mt);
bool
intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
bool is_lossless_compressed);
intel_miptree_alloc_ccs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
bool is_ccs_e);
enum {
MIPTREE_LAYOUT_ACCELERATED_UPLOAD = 1 << 0,