MODIFIER_PRIORITY_X,
MODIFIER_PRIORITY_Y,
MODIFIER_PRIORITY_Y_CCS,
+ MODIFIER_PRIORITY_Y_GEN12_RC_CCS,
};
static const uint64_t priority_to_modifier[] = {
[MODIFIER_PRIORITY_X] = I915_FORMAT_MOD_X_TILED,
[MODIFIER_PRIORITY_Y] = I915_FORMAT_MOD_Y_TILED,
[MODIFIER_PRIORITY_Y_CCS] = I915_FORMAT_MOD_Y_TILED_CCS,
+ [MODIFIER_PRIORITY_Y_GEN12_RC_CCS] = I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
};
static bool
modifier_is_supported(const struct gen_device_info *devinfo,
enum pipe_format pfmt, uint64_t modifier)
{
- /* XXX: do something real */
+ /* Check for basic device support. */
switch (modifier) {
+ case DRM_FORMAT_MOD_LINEAR:
+ case I915_FORMAT_MOD_X_TILED:
+ case I915_FORMAT_MOD_Y_TILED:
+ break;
+ case I915_FORMAT_MOD_Y_TILED_CCS:
+ if (devinfo->gen <= 8 || devinfo->gen >= 12)
+ return false;
+ break;
+ case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+ if (devinfo->gen != 12)
+ return false;
+ break;
+ case DRM_FORMAT_MOD_INVALID:
+ default:
+ return false;
+ }
+
+ /* Check remaining requirements. */
+ switch (modifier) {
+ case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
case I915_FORMAT_MOD_Y_TILED_CCS: {
if (unlikely(INTEL_DEBUG & DEBUG_NO_RBC))
return false;
iris_format_for_usage(devinfo, pfmt,
ISL_SURF_USAGE_RENDER_TARGET_BIT).fmt;
- enum isl_format linear_format = isl_format_srgb_to_linear(rt_format);
-
- if (!isl_format_supports_ccs_e(devinfo, linear_format))
+ if (rt_format == ISL_FORMAT_UNSUPPORTED ||
+ !isl_format_supports_ccs_e(devinfo, rt_format))
return false;
-
- return devinfo->gen >= 9 && devinfo->gen <= 11;
+ break;
}
- case I915_FORMAT_MOD_Y_TILED:
- case I915_FORMAT_MOD_X_TILED:
- case DRM_FORMAT_MOD_LINEAR:
- return true;
- case DRM_FORMAT_MOD_INVALID:
default:
- return false;
+ break;
}
+
+ return true;
}
static uint64_t
continue;
switch (modifiers[i]) {
+ case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+ prio = MAX2(prio, MODIFIER_PRIORITY_Y_GEN12_RC_CCS);
+ break;
case I915_FORMAT_MOD_Y_TILED_CCS:
prio = MAX2(prio, MODIFIER_PRIORITY_Y_CCS);
break;
I915_FORMAT_MOD_X_TILED,
I915_FORMAT_MOD_Y_TILED,
I915_FORMAT_MOD_Y_TILED_CCS,
+ I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
};
int supported_mods = 0;
*count = supported_mods;
}
-static isl_surf_usage_flags_t
-pipe_bind_to_isl_usage(unsigned bindings)
+enum isl_format
+iris_image_view_get_format(struct iris_context *ice,
+ const struct pipe_image_view *img)
{
- isl_surf_usage_flags_t usage = 0;
-
- if (bindings & PIPE_BIND_RENDER_TARGET)
- usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
-
- if (bindings & PIPE_BIND_SAMPLER_VIEW)
- usage |= ISL_SURF_USAGE_TEXTURE_BIT;
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
- if (bindings & (PIPE_BIND_SHADER_IMAGE | PIPE_BIND_SHADER_BUFFER))
- usage |= ISL_SURF_USAGE_STORAGE_BIT;
+ isl_surf_usage_flags_t usage = ISL_SURF_USAGE_STORAGE_BIT;
+ enum isl_format isl_fmt =
+ iris_format_for_usage(devinfo, img->format, usage).fmt;
- if (bindings & PIPE_BIND_DISPLAY_TARGET)
- usage |= ISL_SURF_USAGE_DISPLAY_BIT;
+ if (img->shader_access & PIPE_IMAGE_ACCESS_READ) {
+ /* On Gen8, try to use typed surfaces reads (which support a
+ * limited number of formats), and if not possible, fall back
+ * to untyped reads.
+ */
+ if (devinfo->gen == 8 &&
+ !isl_has_matching_typed_storage_image_format(devinfo, isl_fmt))
+ return ISL_FORMAT_RAW;
+ else
+ return isl_lower_storage_image_format(devinfo, isl_fmt);
+ }
- return usage;
+ return isl_fmt;
}
struct pipe_resource *
iris_resource_disable_aux(res);
iris_bo_unreference(res->bo);
+ iris_pscreen_unref(res->base.screen);
+
free(res);
}
return NULL;
res->base = *templ;
- res->base.screen = pscreen;
+ res->base.screen = iris_pscreen_ref(pscreen);
pipe_reference_init(&res->base.reference, 1);
res->aux.possible_usages = 1 << ISL_AUX_USAGE_NONE;
return true;
}
+static bool
+iris_resource_configure_main(const struct iris_screen *screen,
+ struct iris_resource *res,
+ const struct pipe_resource *templ,
+ uint64_t modifier, uint32_t row_pitch_B)
+{
+ res->mod_info = isl_drm_modifier_get_info(modifier);
+
+ if (modifier != DRM_FORMAT_MOD_INVALID && res->mod_info == NULL)
+ return false;
+
+ isl_tiling_flags_t tiling_flags = 0;
+
+ if (res->mod_info != NULL) {
+ tiling_flags = 1 << res->mod_info->tiling;
+ } else if (templ->usage == PIPE_USAGE_STAGING ||
+ templ->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR)) {
+ tiling_flags = ISL_TILING_LINEAR_BIT;
+ } else if (templ->bind & PIPE_BIND_SCANOUT) {
+ tiling_flags = screen->devinfo.has_tiling_uapi ?
+ ISL_TILING_X_BIT : ISL_TILING_LINEAR_BIT;
+ } else {
+ tiling_flags = ISL_TILING_ANY_MASK;
+ }
+
+ isl_surf_usage_flags_t usage = 0;
+
+ if (templ->bind & PIPE_BIND_RENDER_TARGET)
+ usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
+
+ if (templ->bind & PIPE_BIND_SAMPLER_VIEW)
+ usage |= ISL_SURF_USAGE_TEXTURE_BIT;
+
+ if (templ->bind & PIPE_BIND_SHADER_IMAGE)
+ usage |= ISL_SURF_USAGE_STORAGE_BIT;
+
+ if (templ->bind & PIPE_BIND_SCANOUT)
+ usage |= ISL_SURF_USAGE_DISPLAY_BIT;
+
+ if (templ->target == PIPE_TEXTURE_CUBE ||
+ templ->target == PIPE_TEXTURE_CUBE_ARRAY) {
+ usage |= ISL_SURF_USAGE_CUBE_BIT;
+ }
+
+ if (templ->usage != PIPE_USAGE_STAGING &&
+ util_format_is_depth_or_stencil(templ->format)) {
+
+ /* Should be handled by u_transfer_helper */
+ assert(!util_format_is_depth_and_stencil(templ->format));
+
+ usage |= templ->format == PIPE_FORMAT_S8_UINT ?
+ ISL_SURF_USAGE_STENCIL_BIT : ISL_SURF_USAGE_DEPTH_BIT;
+ }
+
+ const enum isl_format format =
+ iris_format_for_usage(&screen->devinfo, templ->format, usage).fmt;
+
+ const struct isl_surf_init_info init_info = {
+ .dim = target_to_isl_surf_dim(templ->target),
+ .format = format,
+ .width = templ->width0,
+ .height = templ->height0,
+ .depth = templ->depth0,
+ .levels = templ->last_level + 1,
+ .array_len = templ->array_size,
+ .samples = MAX2(templ->nr_samples, 1),
+ .min_alignment_B = 0,
+ .row_pitch_B = row_pitch_B,
+ .usage = usage,
+ .tiling_flags = tiling_flags
+ };
+
+ if (!isl_surf_init_s(&screen->isl_dev, &res->surf, &init_info))
+ return false;
+
+ res->internal_format = templ->format;
+
+ return true;
+}
+
/**
* Configure aux for the resource, but don't allocate it. For images which
* might be shared with modifiers, we must allocate the image and aux data in
*/
static bool
iris_resource_configure_aux(struct iris_screen *screen,
- struct iris_resource *res, bool imported,
- uint64_t *aux_size_B,
- uint32_t *alloc_flags)
+ struct iris_resource *res, bool imported)
{
const struct gen_device_info *devinfo = &screen->devinfo;
/* Try to create the auxiliary surfaces allowed by the modifier or by
* the user if no modifier is specified.
*/
- assert(!res->mod_info || res->mod_info->aux_usage == ISL_AUX_USAGE_NONE ||
- res->mod_info->aux_usage == ISL_AUX_USAGE_CCS_E);
+ assert(!res->mod_info ||
+ res->mod_info->aux_usage == ISL_AUX_USAGE_NONE ||
+ res->mod_info->aux_usage == ISL_AUX_USAGE_CCS_E ||
+ res->mod_info->aux_usage == ISL_AUX_USAGE_GEN12_CCS_E);
const bool has_mcs = !res->mod_info &&
isl_surf_get_mcs_surf(&screen->isl_dev, &res->surf, &res->aux.surf);
res->aux.possible_usages |=
1 << (has_ccs ? ISL_AUX_USAGE_MCS_CCS : ISL_AUX_USAGE_MCS);
} else if (has_hiz) {
- res->aux.possible_usages |=
- 1 << (has_ccs ? ISL_AUX_USAGE_HIZ_CCS : ISL_AUX_USAGE_HIZ);
+ if (!has_ccs) {
+ res->aux.possible_usages |= 1 << ISL_AUX_USAGE_HIZ;
+ } else if (res->surf.samples == 1 &&
+ (res->surf.usage & ISL_SURF_USAGE_TEXTURE_BIT)) {
+ /* If this resource is single-sampled and will be used as a texture,
+ * put the HiZ surface in write-through mode so that we can sample
+ * from it.
+ */
+ res->aux.possible_usages |= 1 << ISL_AUX_USAGE_HIZ_CCS_WT;
+ } else {
+ res->aux.possible_usages |= 1 << ISL_AUX_USAGE_HIZ_CCS;
+ }
+ } else if (has_ccs && isl_surf_usage_is_stencil(res->surf.usage)) {
+ res->aux.possible_usages |= 1 << ISL_AUX_USAGE_STC_CCS;
} else if (has_ccs) {
- if (want_ccs_e_for_format(devinfo, res->surf.format))
- res->aux.possible_usages |= 1 << ISL_AUX_USAGE_CCS_E;
-
- if (isl_format_supports_ccs_d(devinfo, res->surf.format))
+ if (want_ccs_e_for_format(devinfo, res->surf.format)) {
+ res->aux.possible_usages |= devinfo->gen < 12 ?
+ 1 << ISL_AUX_USAGE_CCS_E : 1 << ISL_AUX_USAGE_GEN12_CCS_E;
+ } else if (isl_format_supports_ccs_d(devinfo, res->surf.format)) {
res->aux.possible_usages |= 1 << ISL_AUX_USAGE_CCS_D;
+ }
}
res->aux.usage = util_last_bit(res->aux.possible_usages) - 1;
if (!devinfo->has_sample_with_hiz || res->surf.samples > 1)
res->aux.sampler_usages &= ~(1 << ISL_AUX_USAGE_HIZ);
- /* We don't always support sampling with HIZ_CCS. But when we do, treat it
- * as CCS_E.*/
+ /* ISL_AUX_USAGE_HIZ_CCS doesn't support sampling at all */
res->aux.sampler_usages &= ~(1 << ISL_AUX_USAGE_HIZ_CCS);
- if (isl_surf_supports_hiz_ccs_wt(devinfo, &res->surf, res->aux.usage))
- res->aux.sampler_usages |= 1 << ISL_AUX_USAGE_CCS_E;
enum isl_aux_state initial_state;
- *aux_size_B = 0;
- *alloc_flags = 0;
assert(!res->aux.bo);
switch (res->aux.usage) {
case ISL_AUX_USAGE_NONE:
+ /* Update relevant fields to indicate that aux is disabled. */
+ iris_resource_disable_aux(res);
+
/* Having no aux buffer is only okay if there's no modifier with aux. */
return !res->mod_info || res->mod_info->aux_usage == ISL_AUX_USAGE_NONE;
case ISL_AUX_USAGE_HIZ:
case ISL_AUX_USAGE_HIZ_CCS:
+ case ISL_AUX_USAGE_HIZ_CCS_WT:
initial_state = ISL_AUX_STATE_AUX_INVALID;
break;
case ISL_AUX_USAGE_MCS:
break;
case ISL_AUX_USAGE_CCS_D:
case ISL_AUX_USAGE_CCS_E:
+ case ISL_AUX_USAGE_GEN12_CCS_E:
+ case ISL_AUX_USAGE_STC_CCS:
/* When CCS_E is used, we need to ensure that the CCS starts off in
* a valid state. From the Sky Lake PRM, "MCS Buffer for Render
* Target(s)":
* For CCS_D, do the same thing. On Gen9+, this avoids having any
* undefined bits in the aux buffer.
*/
- if (imported)
+ if (imported) {
+ assert(res->aux.usage != ISL_AUX_USAGE_STC_CCS);
initial_state =
isl_drm_modifier_get_default_aux_state(res->mod_info->modifier);
- else
+ } else {
initial_state = ISL_AUX_STATE_PASS_THROUGH;
- *alloc_flags |= BO_ALLOC_ZEROED;
+ }
break;
+ case ISL_AUX_USAGE_MC:
+ default:
+ unreachable("Unsupported aux mode");
}
/* Create the aux_state for the auxiliary buffer. */
if (!res->aux.state)
return false;
- /* Increase the aux offset if the main and aux surfaces will share a BO. */
- res->aux.offset =
- !res->mod_info || res->mod_info->aux_usage == res->aux.usage ?
- ALIGN(res->surf.size_B, res->aux.surf.alignment_B) : 0;
- uint64_t size = res->aux.surf.size_B;
-
- /* Allocate space in the buffer for storing the CCS. */
- if (res->aux.extra_aux.surf.size_B > 0) {
- const uint64_t padded_aux_size =
- ALIGN(size, res->aux.extra_aux.surf.alignment_B);
- res->aux.extra_aux.offset = res->aux.offset + padded_aux_size;
- size = padded_aux_size + res->aux.extra_aux.surf.size_B;
- }
-
- /* Allocate space in the buffer for storing the clear color. On modern
- * platforms (gen > 9), we can read it directly from such buffer.
- *
- * On gen <= 9, we are going to store the clear color on the buffer
- * anyways, and copy it back to the surface state during state emission.
- *
- * Also add some padding to make sure the fast clear color state buffer
- * starts at a 4K alignment. We believe that 256B might be enough, but due
- * to lack of testing we will leave this as 4K for now.
- */
- size = ALIGN(size, 4096);
- res->aux.clear_color_offset = res->aux.offset + size;
- size += iris_get_aux_clear_color_state_size(screen);
- *aux_size_B = size;
-
if (isl_aux_usage_has_hiz(res->aux.usage)) {
for (unsigned level = 0; level < res->surf.levels; ++level) {
uint32_t width = u_minify(res->surf.phys_level0_sa.width, level);
* Returns false on unexpected error (e.g. mapping a BO failed).
*/
static bool
-iris_resource_init_aux_buf(struct iris_resource *res, uint32_t alloc_flags,
+iris_resource_init_aux_buf(struct iris_resource *res,
unsigned clear_color_state_size)
{
- if (!(alloc_flags & BO_ALLOC_ZEROED)) {
- void *map = iris_bo_map(NULL, res->aux.bo, MAP_WRITE | MAP_RAW);
+ void *map = iris_bo_map(NULL, res->aux.bo, MAP_WRITE | MAP_RAW);
- if (!map)
- return false;
+ if (!map)
+ return false;
- if (iris_resource_get_aux_state(res, 0, 0) != ISL_AUX_STATE_AUX_INVALID) {
- uint8_t memset_value = isl_aux_usage_has_mcs(res->aux.usage) ? 0xFF : 0;
- memset((char*)map + res->aux.offset, memset_value,
- res->aux.surf.size_B);
- }
+ if (iris_resource_get_aux_state(res, 0, 0) != ISL_AUX_STATE_AUX_INVALID) {
+ /* See iris_resource_configure_aux for the memset_value rationale. */
+ uint8_t memset_value = isl_aux_usage_has_mcs(res->aux.usage) ? 0xFF : 0;
+ memset((char*)map + res->aux.offset, memset_value,
+ res->aux.surf.size_B);
+ }
- /* Bspec section titled : MCS/CCS Buffers for Render Target(s) states:
- * - If Software wants to enable Color Compression without Fast clear,
- * Software needs to initialize MCS with zeros.
- * - Lossless compression and CCS initialized to all F (using HW Fast
- * Clear or SW direct Clear)
- *
- * We think, the first bullet point above is referring to CCS aux
- * surface. Since we initialize the MCS in the clear state, we also
- * initialize the CCS in the clear state (via SW direct clear) to keep
- * the two in sync.
- */
- memset((char*)map + res->aux.extra_aux.offset,
- isl_aux_usage_has_mcs(res->aux.usage) ? 0xFF : 0,
- res->aux.extra_aux.surf.size_B);
+ memset((char*)map + res->aux.extra_aux.offset,
+ 0, res->aux.extra_aux.surf.size_B);
- /* Zero the indirect clear color to match ::fast_clear_color. */
- memset((char *)map + res->aux.clear_color_offset, 0,
- clear_color_state_size);
+ /* Zero the indirect clear color to match ::fast_clear_color. */
+ memset((char *)map + res->aux.clear_color_offset, 0,
+ clear_color_state_size);
- iris_bo_unmap(res->aux.bo);
- }
+ iris_bo_unmap(res->aux.bo);
if (clear_color_state_size > 0) {
res->aux.clear_color_bo = res->aux.bo;
return true;
}
-/**
- * Allocate the initial aux surface for a resource based on aux.usage
- *
- * Returns false on unexpected error (e.g. allocation failed, or invalid
- * configuration result).
- */
-static bool
-iris_resource_alloc_separate_aux(struct iris_screen *screen,
- struct iris_resource *res)
-{
- uint32_t alloc_flags;
- uint64_t size;
- if (!iris_resource_configure_aux(screen, res, false, &size, &alloc_flags))
- return false;
-
- if (size == 0)
- return true;
-
- /* Allocate the auxiliary buffer. ISL has stricter set of alignment rules
- * the drm allocator. Therefore, one can pass the ISL dimensions in terms
- * of bytes instead of trying to recalculate based on different format
- * block sizes.
- */
- res->aux.bo = iris_bo_alloc_tiled(screen->bufmgr, "aux buffer", size, 4096,
- IRIS_MEMZONE_OTHER,
- isl_tiling_to_i915_tiling(res->aux.surf.tiling),
- res->aux.surf.row_pitch_B, alloc_flags);
- if (!res->aux.bo) {
- return false;
- }
-
- if (!iris_resource_init_aux_buf(res, alloc_flags,
- iris_get_aux_clear_color_state_size(screen)))
- return false;
-
- map_aux_addresses(screen, res);
-
- return true;
-}
-
void
iris_resource_finish_aux_import(struct pipe_screen *pscreen,
struct iris_resource *res)
assert(res->bo->size >= (res->aux.offset + res->aux.surf.size_B));
assert(res->aux.clear_color_bo == NULL);
- res->aux.clear_color_offset = 0;
assert(aux_res->aux.surf.row_pitch_B == res->aux.surf.row_pitch_B);
if (clear_color_state_size > 0) {
res->aux.clear_color_bo =
- iris_bo_alloc(screen->bufmgr, "clear color buffer",
- clear_color_state_size, IRIS_MEMZONE_OTHER);
- res->aux.clear_color_offset = 0;
+ iris_bo_alloc_tiled(screen->bufmgr, "clear color_buffer",
+ clear_color_state_size, 1, IRIS_MEMZONE_OTHER,
+ I915_TILING_NONE, 0, BO_ALLOC_ZEROED);
}
iris_resource_destroy(&screen->base, res->base.next);
res->base.next = NULL;
+
+ map_aux_addresses(screen, res);
}
static struct pipe_resource *
return NULL;
}
+ if (templ->bind & PIPE_BIND_SHARED)
+ iris_bo_make_external(res->bo);
+
return &res->base;
}
if (!res)
return NULL;
- const struct util_format_description *format_desc =
- util_format_description(templ->format);
- const bool has_depth = util_format_has_depth(format_desc);
uint64_t modifier =
select_best_modifier(devinfo, templ->format, modifiers, modifiers_count);
- isl_tiling_flags_t tiling_flags = ISL_TILING_ANY_MASK;
-
- if (modifier != DRM_FORMAT_MOD_INVALID) {
- res->mod_info = isl_drm_modifier_get_info(modifier);
-
- tiling_flags = 1 << res->mod_info->tiling;
- } else {
- if (modifiers_count > 0) {
- fprintf(stderr, "Unsupported modifier, resource creation failed.\n");
- goto fail;
- }
-
- /* Use linear for staging buffers */
- if (templ->usage == PIPE_USAGE_STAGING ||
- templ->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR) )
- tiling_flags = ISL_TILING_LINEAR_BIT;
- }
-
- isl_surf_usage_flags_t usage = pipe_bind_to_isl_usage(templ->bind);
-
- if (templ->target == PIPE_TEXTURE_CUBE ||
- templ->target == PIPE_TEXTURE_CUBE_ARRAY)
- usage |= ISL_SURF_USAGE_CUBE_BIT;
-
- if (templ->usage != PIPE_USAGE_STAGING) {
- if (templ->format == PIPE_FORMAT_S8_UINT)
- usage |= ISL_SURF_USAGE_STENCIL_BIT;
- else if (has_depth)
- usage |= ISL_SURF_USAGE_DEPTH_BIT;
+ if (modifier == DRM_FORMAT_MOD_INVALID && modifiers_count > 0) {
+ fprintf(stderr, "Unsupported modifier, resource creation failed.\n");
+ goto fail;
}
- enum pipe_format pfmt = templ->format;
- res->internal_format = pfmt;
-
- /* Should be handled by u_transfer_helper */
- assert(!util_format_is_depth_and_stencil(pfmt));
-
- struct iris_format_info fmt = iris_format_for_usage(devinfo, pfmt, usage);
- assert(fmt.fmt != ISL_FORMAT_UNSUPPORTED);
-
UNUSED const bool isl_surf_created_successfully =
- isl_surf_init(&screen->isl_dev, &res->surf,
- .dim = target_to_isl_surf_dim(templ->target),
- .format = fmt.fmt,
- .width = templ->width0,
- .height = templ->height0,
- .depth = templ->depth0,
- .levels = templ->last_level + 1,
- .array_len = templ->array_size,
- .samples = MAX2(templ->nr_samples, 1),
- .min_alignment_B = 0,
- .row_pitch_B = 0,
- .usage = usage,
- .tiling_flags = tiling_flags);
+ iris_resource_configure_main(screen, res, templ, modifier, 0);
assert(isl_surf_created_successfully);
const char *name = "miptree";
IRIS_RESOURCE_FLAG_SURFACE_MEMZONE |
IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE)));
- uint32_t aux_preferred_alloc_flags;
- uint64_t aux_size = 0;
- if (!iris_resource_configure_aux(screen, res, false, &aux_size,
- &aux_preferred_alloc_flags)) {
+ if (!iris_resource_configure_aux(screen, res, false))
goto fail;
- }
/* Modifiers require the aux data to be in the same buffer as the main
- * surface, but we combine them even when a modifiers is not being used.
+ * surface, but we combine them even when a modifier is not being used.
*/
- const uint64_t bo_size =
- MAX2(res->surf.size_B, res->aux.offset + aux_size);
+ uint64_t bo_size = res->surf.size_B;
+
+ /* Allocate space for the aux buffer. */
+ if (res->aux.surf.size_B > 0) {
+ res->aux.offset = ALIGN(bo_size, res->aux.surf.alignment_B);
+ bo_size = res->aux.offset + res->aux.surf.size_B;
+ }
+
+ /* Allocate space for the extra aux buffer. */
+ if (res->aux.extra_aux.surf.size_B > 0) {
+ res->aux.extra_aux.offset =
+ ALIGN(bo_size, res->aux.extra_aux.surf.alignment_B);
+ bo_size = res->aux.extra_aux.offset + res->aux.extra_aux.surf.size_B;
+ }
+
+ /* Allocate space for the indirect clear color.
+ *
+ * Also add some padding to make sure the fast clear color state buffer
+ * starts at a 4K alignment. We believe that 256B might be enough, but due
+ * to lack of testing we will leave this as 4K for now.
+ */
+ if (res->aux.surf.size_B > 0) {
+ res->aux.clear_color_offset = ALIGN(bo_size, 4096);
+ bo_size = res->aux.clear_color_offset +
+ iris_get_aux_clear_color_state_size(screen);
+ }
+
uint32_t alignment = MAX2(4096, res->surf.alignment_B);
res->bo = iris_bo_alloc_tiled(screen->bufmgr, name, bo_size, alignment,
memzone,
if (!res->bo)
goto fail;
- if (aux_size > 0) {
+ if (res->aux.surf.size_B > 0) {
res->aux.bo = res->bo;
iris_bo_reference(res->aux.bo);
unsigned clear_color_state_size =
iris_get_aux_clear_color_state_size(screen);
- if (!iris_resource_init_aux_buf(res, flags, clear_color_state_size))
+ if (!iris_resource_init_aux_buf(res, clear_color_state_size))
goto fail;
map_aux_addresses(screen, res);
}
+ if (templ->bind & PIPE_BIND_SHARED)
+ iris_bo_make_external(res->bo);
+
return &res->base;
fail:
user_memory, templ->width0,
IRIS_MEMZONE_OTHER);
if (!res->bo) {
- free(res);
+ iris_resource_destroy(pscreen, &res->base);
return NULL;
}
struct winsys_handle *whandle,
unsigned usage)
{
+ assert(templ->target != PIPE_BUFFER);
+
struct iris_screen *screen = (struct iris_screen *)pscreen;
- struct gen_device_info *devinfo = &screen->devinfo;
struct iris_bufmgr *bufmgr = screen->bufmgr;
struct iris_resource *res = iris_alloc_resource(pscreen, templ);
- const struct isl_drm_modifier_info *mod_inf =
- isl_drm_modifier_get_info(whandle->modifier);
- uint32_t tiling;
-
if (!res)
return NULL;
switch (whandle->type) {
case WINSYS_HANDLE_TYPE_FD:
- if (mod_inf)
- tiling = isl_tiling_to_i915_tiling(mod_inf->tiling);
- else
- tiling = I915_TILING_LAST + 1;
res->bo = iris_bo_import_dmabuf(bufmgr, whandle->handle,
- tiling, whandle->stride);
+ whandle->modifier);
break;
case WINSYS_HANDLE_TYPE_SHARED:
res->bo = iris_bo_gem_create_from_name(bufmgr, "winsys image",
unreachable("invalid winsys handle type");
}
if (!res->bo)
- return NULL;
+ goto fail;
res->offset = whandle->offset;
-
- if (mod_inf == NULL) {
- mod_inf =
- isl_drm_modifier_get_info(tiling_to_modifier(res->bo->tiling_mode));
- }
- assert(mod_inf);
-
- res->mod_info = mod_inf;
-
- isl_surf_usage_flags_t isl_usage = pipe_bind_to_isl_usage(templ->bind);
-
- const struct iris_format_info fmt =
- iris_format_for_usage(devinfo, templ->format, isl_usage);
- res->internal_format = templ->format;
-
- if (templ->target == PIPE_BUFFER) {
- res->surf.tiling = ISL_TILING_LINEAR;
+ res->external_format = whandle->format;
+
+ /* Create a surface for each plane specified by the external format. */
+ if (whandle->plane < util_format_get_num_planes(whandle->format)) {
+
+ const uint64_t modifier =
+ whandle->modifier != DRM_FORMAT_MOD_INVALID ?
+ whandle->modifier : tiling_to_modifier(res->bo->tiling_mode);
+
+ UNUSED const bool isl_surf_created_successfully =
+ iris_resource_configure_main(screen, res, templ, modifier,
+ whandle->stride);
+ assert(isl_surf_created_successfully);
+ assert(res->bo->tiling_mode ==
+ isl_tiling_to_i915_tiling(res->surf.tiling));
+
+ UNUSED const bool ok = iris_resource_configure_aux(screen, res, true);
+ assert(ok);
+ /* The gallium dri layer will create a separate plane resource for the
+ * aux image. iris_resource_finish_aux_import will merge the separate aux
+ * parameters back into a single iris_resource.
+ */
} else {
- if (whandle->modifier == DRM_FORMAT_MOD_INVALID || whandle->plane == 0) {
- UNUSED const bool isl_surf_created_successfully =
- isl_surf_init(&screen->isl_dev, &res->surf,
- .dim = target_to_isl_surf_dim(templ->target),
- .format = fmt.fmt,
- .width = templ->width0,
- .height = templ->height0,
- .depth = templ->depth0,
- .levels = templ->last_level + 1,
- .array_len = templ->array_size,
- .samples = MAX2(templ->nr_samples, 1),
- .min_alignment_B = 0,
- .row_pitch_B = whandle->stride,
- .usage = isl_usage,
- .tiling_flags = 1 << res->mod_info->tiling);
- assert(isl_surf_created_successfully);
- assert(res->bo->tiling_mode ==
- isl_tiling_to_i915_tiling(res->surf.tiling));
-
- // XXX: create_ccs_buf_for_image?
- if (whandle->modifier == DRM_FORMAT_MOD_INVALID) {
- if (!iris_resource_alloc_separate_aux(screen, res))
- goto fail;
- } else {
- if (res->mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
- uint32_t alloc_flags;
- uint64_t size;
- bool ok = iris_resource_configure_aux(screen, res, true, &size,
- &alloc_flags);
- assert(ok);
- /* The gallium dri layer will create a separate plane resource
- * for the aux image. iris_resource_finish_aux_import will
- * merge the separate aux parameters back into a single
- * iris_resource.
- */
- }
- }
- } else {
- /* Save modifier import information to reconstruct later. After
- * import, this will be available under a second image accessible
- * from the main image with res->base.next. See
- * iris_resource_finish_aux_import.
- */
- res->aux.surf.row_pitch_B = whandle->stride;
- res->aux.offset = whandle->offset;
- res->aux.bo = res->bo;
- res->bo = NULL;
- }
+ /* Save modifier import information to reconstruct later. After import,
+ * this will be available under a second image accessible from the main
+ * image with res->base.next. See iris_resource_finish_aux_import.
+ */
+ res->aux.surf.row_pitch_B = whandle->stride;
+ res->aux.offset = whandle->offset;
+ res->aux.bo = res->bo;
+ res->bo = NULL;
}
return &res->base;
iris_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource)
{
struct iris_context *ice = (struct iris_context *)ctx;
- struct iris_batch *render_batch = &ice->batches[IRIS_BATCH_RENDER];
struct iris_resource *res = (void *) resource;
const struct isl_drm_modifier_info *mod = res->mod_info;
- iris_resource_prepare_access(ice, render_batch, res,
+ iris_resource_prepare_access(ice, res,
0, INTEL_REMAINING_LEVELS,
0, INTEL_REMAINING_LAYERS,
mod ? mod->aux_usage : ISL_AUX_USAGE_NONE,
}
static bool
-iris_resource_get_param(struct pipe_screen *screen,
+iris_resource_get_param(struct pipe_screen *pscreen,
struct pipe_context *context,
struct pipe_resource *resource,
unsigned plane,
unsigned handle_usage,
uint64_t *value)
{
+ struct iris_screen *screen = (struct iris_screen *)pscreen;
struct iris_resource *res = (struct iris_resource *)resource;
bool mod_with_aux =
res->mod_info && res->mod_info->aux_usage != ISL_AUX_USAGE_NONE;
unsigned handle;
if (iris_resource_unfinished_aux_import(res))
- iris_resource_finish_aux_import(screen, res);
+ iris_resource_finish_aux_import(pscreen, res);
struct iris_bo *bo = wants_aux ? res->aux.bo : res->bo;
if (result)
*value = handle;
return result;
- case PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS:
- *value = iris_bo_export_gem_handle(bo);
+ case PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS: {
+ /* Because we share the same drm file across multiple iris_screen, when
+ * we export a GEM handle we must make sure it is valid in the DRM file
+ * descriptor the caller is using (this is the FD given at screen
+ * creation).
+ */
+ uint32_t handle;
+ if (iris_bo_export_gem_handle_for_device(bo, screen->winsys_fd, &handle))
+ return false;
+ *value = handle;
return true;
+ }
+
case PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD:
result = iris_bo_export_dmabuf(bo, (int *) &handle) == 0;
if (result)
struct winsys_handle *whandle,
unsigned usage)
{
+ struct iris_screen *screen = (struct iris_screen *) pscreen;
struct iris_resource *res = (struct iris_resource *)resource;
bool mod_with_aux =
res->mod_info && res->mod_info->aux_usage != ISL_AUX_USAGE_NONE;
whandle->stride = res->surf.row_pitch_B;
bo = res->bo;
}
+
+ whandle->format = res->external_format;
whandle->modifier =
res->mod_info ? res->mod_info->modifier
: tiling_to_modifier(res->bo->tiling_mode);
#ifndef NDEBUG
enum isl_aux_usage allowed_usage =
+ usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH ? res->aux.usage :
res->mod_info ? res->mod_info->aux_usage : ISL_AUX_USAGE_NONE;
if (res->aux.usage != allowed_usage) {
switch (whandle->type) {
case WINSYS_HANDLE_TYPE_SHARED:
return iris_bo_flink(bo, &whandle->handle) == 0;
- case WINSYS_HANDLE_TYPE_KMS:
- whandle->handle = iris_bo_export_gem_handle(bo);
+ case WINSYS_HANDLE_TYPE_KMS: {
+ /* Because we share the same drm file across multiple iris_screen, when
+ * we export a GEM handle we must make sure it is valid in the DRM file
+ * descriptor the caller is using (this is the FD given at screen
+ * creation).
+ */
+ uint32_t handle;
+ if (iris_bo_export_gem_handle_for_device(bo, screen->winsys_fd, &handle))
+ return false;
+ whandle->handle = handle;
return true;
+ }
case WINSYS_HANDLE_TYPE_FD:
return iris_bo_export_dmabuf(bo, (int *) &whandle->handle) == 0;
}
if (resource->target != PIPE_BUFFER)
return;
+ /* If it's already invalidated, don't bother doing anything. */
+ if (res->valid_buffer_range.start > res->valid_buffer_range.end)
+ return;
+
if (!resource_is_busy(ice, res)) {
/* The resource is idle, so just mark that it contains no data and
* keep using the same underlying buffer object.
/* Rebind the buffer, replacing any state referring to the old BO's
* address, and marking state dirty so it's reemitted.
*/
- ice->vtbl.rebind_buffer(ice, res, old_bo->gtt_offset);
+ screen->vtbl.rebind_buffer(ice, res);
util_range_set_empty(&res->valid_buffer_range);
struct iris_resource *res = (struct iris_resource *)resource;
struct isl_surf *surf = &res->surf;
+ if (iris_resource_unfinished_aux_import(res))
+ iris_resource_finish_aux_import(ctx->screen, res);
+
if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
/* Replace the backing storage with a fresh buffer for non-async maps */
if (!(usage & (PIPE_TRANSFER_UNSYNCHRONIZED |
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
- bool need_resolve = false;
- bool need_color_resolve = false;
-
- if (resource->target != PIPE_BUFFER) {
- bool need_hiz_resolve = iris_resource_level_has_hiz(res, level);
-
- need_color_resolve =
- (res->aux.usage == ISL_AUX_USAGE_CCS_D ||
- res->aux.usage == ISL_AUX_USAGE_CCS_E) &&
- iris_has_color_unresolved(res, level, 1, box->z, box->depth);
-
- need_resolve = need_color_resolve || need_hiz_resolve;
- }
-
bool map_would_stall = false;
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
- map_would_stall = need_resolve || resource_is_busy(ice, res);
+ map_would_stall =
+ resource_is_busy(ice, res) ||
+ iris_has_invalid_primary(res, level, 1, box->z, box->depth);
if (map_would_stall && (usage & PIPE_TRANSFER_DONTBLOCK) &&
(usage & PIPE_TRANSFER_MAP_DIRECTLY))
* read from the original buffer, we'd simply copy it to a temporary...
* then stall (a bit longer) to read from that buffer.
*
- * Images are less clear-cut. Color resolves are destructive, removing
- * the underlying compression, so we'd rather blit the data to a linear
+ * Images are less clear-cut. Resolves can be destructive, removing some
+ * of the underlying compression, so we'd rather blit the data to a linear
* temporary and map that, to avoid the resolve. (It might be better to
* a tiled temporary and use the tiled_memcpy paths...)
*/
- if (!(usage & PIPE_TRANSFER_DISCARD_RANGE) && !need_color_resolve)
+ if (!(usage & PIPE_TRANSFER_DISCARD_RANGE) &&
+ !iris_has_invalid_primary(res, level, 1, box->z, box->depth)) {
no_gpu = true;
+ }
const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
if (fmtl->txc == ISL_TXC_ASTC)
no_gpu = true;
- if ((map_would_stall || res->aux.usage == ISL_AUX_USAGE_CCS_E) && !no_gpu) {
+ if (!map_would_stall &&
+ res->aux.usage != ISL_AUX_USAGE_CCS_E &&
+ res->aux.usage != ISL_AUX_USAGE_GEN12_CCS_E) {
+ no_gpu = true;
+ }
+
+ if (!no_gpu) {
/* If we need a synchronous mapping and the resource is busy, or needs
* resolving, we copy to/from a linear temporary buffer using the GPU.
*/
} else {
/* Otherwise we're free to map on the CPU. */
- if (need_resolve) {
- iris_resource_access_raw(ice, &ice->batches[IRIS_BATCH_RENDER], res,
- level, box->z, box->depth,
+ if (resource->target != PIPE_BUFFER) {
+ iris_resource_access_raw(ice, res, level, box->z, box->depth,
usage & PIPE_TRANSFER_WRITE);
}
slab_free(&ice->transfer_pool, map);
}
+/**
+ * The pipe->texture_subdata() driver hook.
+ *
+ * Mesa's state tracker takes this path whenever possible, even with
+ * PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER set.
+ */
+static void
+iris_texture_subdata(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ const void *data,
+ unsigned stride,
+ unsigned layer_stride)
+{
+ struct iris_context *ice = (struct iris_context *)ctx;
+ struct iris_resource *res = (struct iris_resource *)resource;
+ const struct isl_surf *surf = &res->surf;
+
+ assert(resource->target != PIPE_BUFFER);
+
+ if (iris_resource_unfinished_aux_import(res))
+ iris_resource_finish_aux_import(ctx->screen, res);
+
+ /* Just use the transfer-based path for linear buffers - it will already
+ * do a direct mapping, or a simple linear staging buffer.
+ *
+ * Linear staging buffers appear to be better than tiled ones, too, so
+ * take that path if we need the GPU to perform color compression, or
+ * stall-avoidance blits.
+ */
+ if (surf->tiling == ISL_TILING_LINEAR ||
+ (isl_aux_usage_has_ccs(res->aux.usage) &&
+ res->aux.usage != ISL_AUX_USAGE_CCS_D) ||
+ resource_is_busy(ice, res)) {
+ return u_default_texture_subdata(ctx, resource, level, usage, box,
+ data, stride, layer_stride);
+ }
+
+ /* No state trackers pass any flags other than PIPE_TRANSFER_WRITE */
+
+ iris_resource_access_raw(ice, res, level, box->z, box->depth, true);
+
+ for (int i = 0; i < IRIS_BATCH_COUNT; i++) {
+ if (iris_batch_references(&ice->batches[i], res->bo))
+ iris_batch_flush(&ice->batches[i]);
+ }
+
+ uint8_t *dst = iris_bo_map(&ice->dbg, res->bo, MAP_WRITE | MAP_RAW);
+
+ for (int s = 0; s < box->depth; s++) {
+ const uint8_t *src = data + s * layer_stride;
+
+ if (surf->tiling == ISL_TILING_W) {
+ unsigned x0_el, y0_el;
+ get_image_offset_el(surf, level, box->z + s, &x0_el, &y0_el);
+
+ for (unsigned y = 0; y < box->height; y++) {
+ for (unsigned x = 0; x < box->width; x++) {
+ ptrdiff_t offset = s8_offset(surf->row_pitch_B,
+ x0_el + box->x + x,
+ y0_el + box->y + y);
+ dst[offset] = src[y * stride + x];
+ }
+ }
+ } else {
+ unsigned x1, x2, y1, y2;
+
+ tile_extents(surf, box, level, s, &x1, &x2, &y1, &y2);
+
+ isl_memcpy_linear_to_tiled(x1, x2, y1, y2,
+ (void *)dst, (void *)src,
+ surf->row_pitch_B, stride,
+ false, surf->tiling, ISL_MEMCPY);
+ }
+ }
+}
+
/**
* Mark state dirty that needs to be re-emitted when a resource is written.
*/
iris_dirty_for_history(struct iris_context *ice,
struct iris_resource *res)
{
- uint64_t dirty = 0ull;
+ uint64_t stage_dirty = 0ull;
if (res->bind_history & PIPE_BIND_CONSTANT_BUFFER) {
- dirty |= ((uint64_t)res->bind_stages) << IRIS_SHIFT_FOR_DIRTY_CONSTANTS;
+ stage_dirty |= ((uint64_t)res->bind_stages)
+ << IRIS_SHIFT_FOR_STAGE_DIRTY_CONSTANTS;
}
- ice->state.dirty |= dirty;
+ ice->state.stage_dirty |= stage_dirty;
}
/**
ctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
ctx->transfer_unmap = u_transfer_helper_transfer_unmap;
ctx->buffer_subdata = u_default_buffer_subdata;
- ctx->texture_subdata = u_default_texture_subdata;
+ ctx->texture_subdata = iris_texture_subdata;
}