[Mesa-dev] [PATCH 05/16] i965: Make irb::mt_layer logical instead of physical
Jason Ekstrand
jason at jlekstrand.net
Mon Jul 17 16:04:58 UTC 2017
Thank you, thank you, thank you! This has been annoying me for a long
time. Good to see it get sorted. I did a quick grep through the tree and
it looks like you got them all.
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
On Mon, Jul 17, 2017 at 6:34 AM, Topi Pohjolainen <
topi.pohjolainen at gmail.com> wrote:
> same as irb::layer_count. In case of copies and blits msaa
> surfacas already fall to blorp which natively works with logical
> slices.
>
> Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
> ---
> src/mesa/drivers/dri/i965/brw_blorp.c | 44
> +++++-------------------
> src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 19 ++--------
> src/mesa/drivers/dri/i965/intel_fbo.c | 3 +-
> src/mesa/drivers/dri/i965/intel_fbo.h | 5 ---
> 4 files changed, 12 insertions(+), 59 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c
> b/src/mesa/drivers/dri/i965/brw_blorp.c
> index 1b5b0f49e8..11f2fae380 100644
> --- a/src/mesa/drivers/dri/i965/brw_blorp.c
> +++ b/src/mesa/drivers/dri/i965/brw_blorp.c
> @@ -272,20 +272,6 @@ swizzle_to_scs(GLenum swizzle)
> return (enum isl_channel_select)((swizzle + 4) & 7);
> }
>
> -static unsigned
> -physical_to_logical_layer(struct intel_mipmap_tree *mt,
> - unsigned physical_layer)
> -{
> - if (mt->num_samples > 1 &&
> - (mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
> - mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS)) {
> - assert(physical_layer % mt->num_samples == 0);
> - return physical_layer / mt->num_samples;
> - } else {
> - return physical_layer;
> - }
> -}
> -
> /**
> * Note: if the src (or dst) is a 2D multisample array texture on Gen7+
> using
> * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, src_layer (dst_layer)
> is
> @@ -308,10 +294,6 @@ brw_blorp_blit_miptrees(struct brw_context *brw,
> GLenum filter, bool mirror_x, bool mirror_y,
> bool decode_srgb, bool encode_srgb)
> {
> - /* Blorp operates in logical layers */
> - src_layer = physical_to_logical_layer(src_mt, src_layer);
> - dst_layer = physical_to_logical_layer(dst_mt, dst_layer);
> -
> DBG("%s from %dx %s mt %p %d %d (%f,%f) (%f,%f)"
> "to %dx %s mt %p %d %d (%f,%f) (%f,%f) (flip %d,%d)\n",
> __func__,
> @@ -733,12 +715,6 @@ set_write_disables(const struct intel_renderbuffer
> *irb,
> return disables;
> }
>
> -static unsigned
> -irb_logical_mt_layer(struct intel_renderbuffer *irb)
> -{
> - return physical_to_logical_layer(irb->mt, irb->mt_layer);
> -}
> -
> static void
> do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
> struct gl_renderbuffer *rb, unsigned buf,
> @@ -776,8 +752,6 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> !brw_is_color_fast_clear_compatible(brw, irb->mt,
> &ctx->Color.ClearColor))
> can_fast_clear = false;
>
> - const unsigned logical_layer = irb_logical_mt_layer(irb);
> -
> /* Surface state can only record one fast clear color value. Therefore
> * unless different levels/layers agree on the color it can be used to
> * represent only single level/layer. Here it will be reserved for the
> @@ -804,7 +778,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
>
> if (can_fast_clear) {
> const enum isl_aux_state aux_state =
> - intel_miptree_get_aux_state(irb->mt, irb->mt_level,
> logical_layer);
> + intel_miptree_get_aux_state(irb->mt, irb->mt_level,
> irb->mt_layer);
> union isl_color_value clear_color =
> brw_meta_convert_fast_clear_color(brw, irb->mt,
> &ctx->Color.ClearColor);
> @@ -826,7 +800,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> struct isl_surf isl_tmp[2];
> struct blorp_surf surf;
> blorp_surf_for_miptree(brw, &surf, irb->mt, true, false, 0,
> - &level, logical_layer, num_layers, isl_tmp);
> + &level, irb->mt_layer, num_layers, isl_tmp);
>
> /* Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render
> Target(s)":
> *
> @@ -846,7 +820,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> blorp_batch_init(&brw->blorp, &batch, brw, 0);
> blorp_fast_clear(&batch, &surf,
> brw->mesa_to_isl_render_format[format],
> - level, logical_layer, num_layers,
> + level, irb->mt_layer, num_layers,
> x0, y0, x1, y1);
> blorp_batch_finish(&batch);
>
> @@ -857,7 +831,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> * redundant clears.
> */
> intel_miptree_set_aux_state(brw, irb->mt, irb->mt_level,
> - logical_layer, num_layers,
> + irb->mt_layer, num_layers,
> ISL_AUX_STATE_CLEAR);
> } else {
> DBG("%s (slow) to mt %p level %d layer %d+%d\n", __FUNCTION__,
> @@ -869,7 +843,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> (1 << ISL_AUX_USAGE_MCS) |
> (1 << ISL_AUX_USAGE_CCS_E) |
> (1 << ISL_AUX_USAGE_CCS_D),
> - &level, logical_layer, num_layers, isl_tmp);
> + &level, irb->mt_layer, num_layers, isl_tmp);
>
> union isl_color_value clear_color;
> memcpy(clear_color.f32, ctx->Color.ClearColor.f, sizeof(float) * 4);
> @@ -879,7 +853,7 @@ do_single_blorp_clear(struct brw_context *brw, struct
> gl_framebuffer *fb,
> blorp_clear(&batch, &surf,
> brw->mesa_to_isl_render_format[format],
> ISL_SWIZZLE_IDENTITY,
> - level, irb_logical_mt_layer(irb), num_layers,
> + level, irb->mt_layer, num_layers,
> x0, y0, x1, y1,
> clear_color, color_write_disable);
> blorp_batch_finish(&batch);
> @@ -972,7 +946,7 @@ brw_blorp_clear_depth_stencil(struct brw_context *brw,
> find_miptree(GL_DEPTH_BUFFER_BIT, irb);
>
> level = irb->mt_level;
> - start_layer = irb_logical_mt_layer(irb);
> + start_layer = irb->mt_layer;
> num_layers = fb->MaxNumLayers ? irb->layer_count : 1;
>
> unsigned depth_level = level;
> @@ -991,11 +965,11 @@ brw_blorp_clear_depth_stencil(struct brw_context
> *brw,
>
> if (mask & BUFFER_BIT_DEPTH) {
> assert(level == irb->mt_level);
> - assert(start_layer == irb_logical_mt_layer(irb));
> + assert(start_layer == irb->mt_layer);
> assert(num_layers == fb->MaxNumLayers ? irb->layer_count : 1);
> } else {
> level = irb->mt_level;
> - start_layer = irb_logical_mt_layer(irb);
> + start_layer = irb->mt_layer;
> num_layers = fb->MaxNumLayers ? irb->layer_count : 1;
> }
>
> diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> index 8d95f13f98..da5c5128c1 100644
> --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> @@ -215,16 +215,11 @@ brw_update_renderbuffer_surface(struct brw_context
> *brw,
> __func__, _mesa_get_format_name(rb_format));
> }
>
> - const unsigned layer_multiplier =
> - (irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
> - irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
> - MAX2(irb->mt->num_samples, 1) : 1;
> -
> struct isl_view view = {
> .format = brw->mesa_to_isl_render_format[rb_format],
> .base_level = irb->mt_level - irb->mt->first_level,
> .levels = 1,
> - .base_array_layer = irb->mt_layer / layer_multiplier,
> + .base_array_layer = irb->mt_layer,
> .array_len = MAX2(irb->layer_count, 1),
> .swizzle = ISL_SWIZZLE_IDENTITY,
> .usage = ISL_SURF_USAGE_RENDER_TARGET_BIT,
> @@ -1201,21 +1196,11 @@ update_renderbuffer_read_surfaces(struct
> brw_context *brw)
> irb->mt->target == GL_TEXTURE_1D_ARRAY ?
> GL_TEXTURE_2D_ARRAY :
> irb->mt->target;
>
> - /* intel_renderbuffer::mt_layer is expressed in sample units
> for
> - * the UMS and CMS multisample layouts, but
> - * intel_renderbuffer::layer_count is expressed in units of
> whole
> - * logical layers regardless of the multisample layout.
> - */
> - const unsigned mt_layer_unit =
> - (irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
> - irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
> - MAX2(irb->mt->num_samples, 1) : 1;
> -
> const struct isl_view view = {
> .format = format,
> .base_level = irb->mt_level - irb->mt->first_level,
> .levels = 1,
> - .base_array_layer = irb->mt_layer / mt_layer_unit,
> + .base_array_layer = irb->mt_layer,
> .array_len = irb->layer_count,
> .swizzle = ISL_SWIZZLE_IDENTITY,
> .usage = ISL_SURF_USAGE_TEXTURE_BIT,
> diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c
> b/src/mesa/drivers/dri/i965/intel_fbo.c
> index 91d75ed9cc..a73ca59946 100644
> --- a/src/mesa/drivers/dri/i965/intel_fbo.c
> +++ b/src/mesa/drivers/dri/i965/intel_fbo.c
> @@ -530,6 +530,7 @@ intel_renderbuffer_update_wrapper(struct brw_context
> *brw,
>
> intel_miptree_check_level_layer(mt, level, layer);
> irb->mt_level = level;
> + irb->mt_layer = layer;
>
> int layer_multiplier;
> switch (mt->msaa_layout) {
> @@ -542,8 +543,6 @@ intel_renderbuffer_update_wrapper(struct brw_context
> *brw,
> layer_multiplier = 1;
> }
>
> - irb->mt_layer = layer_multiplier * layer;
> -
> if (!layered) {
> irb->layer_count = 1;
> } else if (mt->target != GL_TEXTURE_3D && image->TexObject->NumLayers
> > 0) {
> diff --git a/src/mesa/drivers/dri/i965/intel_fbo.h
> b/src/mesa/drivers/dri/i965/intel_fbo.h
> index 7093ad6613..1e2494286b 100644
> --- a/src/mesa/drivers/dri/i965/intel_fbo.h
> +++ b/src/mesa/drivers/dri/i965/intel_fbo.h
> @@ -89,11 +89,6 @@ struct intel_renderbuffer
> *
> * For renderbuffers not created with glFramebufferTexture*(),
> mt_level and
> * mt_layer are 0.
> - *
> - * Note: for a 2D multisample array texture on Gen7+ using
> - * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, mt_layer is the
> physical
> - * layer holding sample 0. So, for example, if mt->num_samples == 4,
> then
> - * logical layer n corresponds to mt_layer == 4*n.
> */
> unsigned int mt_level;
> unsigned int mt_layer;
> --
> 2.11.0
>
> _______________________________________________
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> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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