freedreno: switch to layout helper
[mesa.git] / src / gallium / drivers / freedreno / a6xx / fd6_resource.c
index ff869d7d87bb3473a0bc8fe037dfa6c27e06ad54..430044aebbb243ab4243314088092696c85c16b1 100644 (file)
@@ -26,6 +26,9 @@
  */
 
 #include "fd6_resource.h"
+#include "fd6_format.h"
+
+#include "a6xx.xml.h"
 
 /* indexed by cpp, including msaa 2x and 4x: */
 static const struct {
@@ -70,23 +73,23 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
        /* in layer_first layout, the level (slice) contains just one
         * layer (since in fact the layer contains the slices)
         */
-       uint32_t layers_in_level = rsc->layer_first ? 1 : prsc->array_size;
-       int ta = rsc->cpp;
+       uint32_t layers_in_level = rsc->layout.layer_first ? 1 : prsc->array_size;
+       int ta = rsc->layout.cpp;
 
        /* The z16/r16 formats seem to not play by the normal tiling rules: */
-       if ((rsc->cpp == 2) && (util_format_get_nr_components(format) == 1))
+       if ((rsc->layout.cpp == 2) && (util_format_get_nr_components(format) == 1))
                ta = 0;
 
        debug_assert(ta < ARRAY_SIZE(tile_alignment));
        debug_assert(tile_alignment[ta].pitchalign);
 
        for (level = 0; level <= prsc->last_level; level++) {
-               struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
-               bool linear_level = fd_resource_level_linear(prsc, level);
+               struct fdl_slice *slice = fd_resource_slice(rsc, level);
+               uint32_t tile_mode = fd_resource_tile_mode(prsc, level);
                uint32_t width, height;
 
                /* tiled levels of 3D textures are rounded up to PoT dimensions: */
-               if ((prsc->target == PIPE_TEXTURE_3D) && rsc->tile_mode && !linear_level) {
+               if ((prsc->target == PIPE_TEXTURE_3D) && tile_mode) {
                        width = twidth;
                        height = theight;
                } else {
@@ -96,7 +99,7 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
                uint32_t aligned_height = height;
                uint32_t blocks;
 
-               if (rsc->tile_mode && !linear_level) {
+               if (tile_mode) {
                        pitchalign = tile_alignment[ta].pitchalign;
                        aligned_height = align(aligned_height,
                                        tile_alignment[ta].heightalign);
@@ -130,23 +133,24 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
                 * range gets into range, we stop reducing it.
                 */
                if (prsc->target == PIPE_TEXTURE_3D) {
-                       if (level <= 1 || (rsc->slices[level - 1].size0 > 0xf000)) {
-                               slice->size0 = align(blocks * rsc->cpp, alignment);
+                       if (level < 1 || fd_resource_slice(rsc, level - 1)->size0 > 0xf000) {
+                               slice->size0 = align(blocks * rsc->layout.cpp, alignment);
                        } else {
-                               slice->size0 = rsc->slices[level - 1].size0;
+                               slice->size0 = fd_resource_slice(rsc, level - 1)->size0;
                        }
                } else {
-                       slice->size0 = align(blocks * rsc->cpp, alignment);
+                       slice->size0 = align(blocks * rsc->layout.cpp, alignment);
                }
 
                size += slice->size0 * depth * layers_in_level;
 
 #if 0
-               debug_printf("%s: %ux%ux%u@%u:\t%2u: stride=%4u, size=%6u,%7u, aligned_height=%3u, blocks=%u\n",
+               fprintf(stderr, "%s: %ux%ux%u@%u:\t%2u: stride=%4u, size=%6u,%7u, aligned_height=%3u, blocks=%u, offset=0x%x tiling=%d\n",
                                util_format_name(prsc->format),
-                               width, height, depth, rsc->cpp,
-                               level, slice->pitch * rsc->cpp,
-                               slice->size0, size, aligned_height, blocks);
+                               width, height, depth, rsc->layout.cpp,
+                               level, slice->pitch * rsc->layout.cpp,
+                               slice->size0, size, aligned_height, blocks,
+                               slice->offset, fd_resource_tile_mode(prsc, level));
 #endif
 
                depth = u_minify(depth, 1);
@@ -159,6 +163,132 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
        return size;
 }
 
+/* A subset of the valid tiled formats can be compressed.  We do
+ * already require tiled in order to be compressed, but just because
+ * it can be tiled doesn't mean it can be compressed.
+ */
+static bool
+ok_ubwc_format(enum pipe_format pfmt)
+{
+       /* NOTE: both x24s8 and z24s8 map to RB6_X8Z24_UNORM, but UBWC
+        * does not seem to work properly when sampling x24s8.. possibly
+        * because we sample it as TFMT6_8_8_8_8_UINT.
+        *
+        * This could possibly be a hw limitation, or maybe something
+        * else wrong somewhere (although z24s8 blits and sampling with
+        * UBWC seem fine).  Recheck on a later revision of a6xx
+        */
+       if (pfmt == PIPE_FORMAT_X24S8_UINT)
+               return false;
+
+       switch (fd6_pipe2color(pfmt)) {
+       case RB6_R10G10B10A2_UINT:
+       case RB6_R10G10B10A2_UNORM:
+       case RB6_R11G11B10_FLOAT:
+       case RB6_R16_FLOAT:
+       case RB6_R16G16B16A16_FLOAT:
+       case RB6_R16G16B16A16_SINT:
+       case RB6_R16G16B16A16_UINT:
+       case RB6_R16G16_FLOAT:
+       case RB6_R16G16_SINT:
+       case RB6_R16G16_UINT:
+       case RB6_R16_SINT:
+       case RB6_R16_UINT:
+       case RB6_R32G32B32A32_SINT:
+       case RB6_R32G32B32A32_UINT:
+       case RB6_R32G32_SINT:
+       case RB6_R32G32_UINT:
+       case RB6_R5G6B5_UNORM:
+       case RB6_R8G8B8A8_SINT:
+       case RB6_R8G8B8A8_UINT:
+       case RB6_R8G8B8A8_UNORM:
+       case RB6_R8G8B8_UNORM:
+       case RB6_R8G8_SINT:
+       case RB6_R8G8_UINT:
+       case RB6_R8G8_UNORM:
+       case RB6_Z24_UNORM_S8_UINT:
+       case RB6_Z24_UNORM_S8_UINT_AS_R8G8B8A8:
+               return true;
+       default:
+               return false;
+       }
+}
+
+uint32_t
+fd6_fill_ubwc_buffer_sizes(struct fd_resource *rsc)
+{
+#define RBG_TILE_WIDTH_ALIGNMENT 64
+#define RGB_TILE_HEIGHT_ALIGNMENT 16
+#define UBWC_PLANE_SIZE_ALIGNMENT 4096
+
+       struct pipe_resource *prsc = &rsc->base;
+       uint32_t width = prsc->width0;
+       uint32_t height = prsc->height0;
+
+       if (!ok_ubwc_format(prsc->format))
+               return 0;
+
+       /* limit things to simple single level 2d for now: */
+       if ((prsc->depth0 != 1) || (prsc->array_size != 1) || (prsc->last_level != 0))
+               return 0;
+
+       uint32_t block_width, block_height;
+       switch (rsc->layout.cpp) {
+       case 2:
+       case 4:
+               block_width = 16;
+               block_height = 4;
+               break;
+       case 8:
+               block_width = 8;
+               block_height = 4;
+               break;
+       case 16:
+               block_width = 4;
+               block_height = 4;
+               break;
+       default:
+               return 0;
+       }
+
+       uint32_t meta_stride =
+               ALIGN_POT(DIV_ROUND_UP(width, block_width), RBG_TILE_WIDTH_ALIGNMENT);
+       uint32_t meta_height =
+               ALIGN_POT(DIV_ROUND_UP(height, block_height), RGB_TILE_HEIGHT_ALIGNMENT);
+       uint32_t meta_size =
+               ALIGN_POT(meta_stride * meta_height, UBWC_PLANE_SIZE_ALIGNMENT);
+
+       /* UBWC goes first, then color data.. this constraint is mainly only
+        * because it is what the kernel expects for scanout.  For non-2D we
+        * could just use a separate UBWC buffer..
+        */
+       rsc->layout.ubwc_offset = 0;
+       rsc->layout.offset = meta_size;
+       rsc->layout.ubwc_pitch = meta_stride;
+       rsc->layout.ubwc_size = meta_size >> 2;   /* in dwords??? */
+       rsc->layout.tile_mode = TILE6_3;
+
+       return meta_size;
+}
+
+/**
+ * Ensure the rsc is in an ok state to be used with the specified format.
+ * This handles the case of UBWC buffers used with non-UBWC compatible
+ * formats, by triggering an uncompress.
+ */
+void
+fd6_validate_format(struct fd_context *ctx, struct fd_resource *rsc,
+               enum pipe_format format)
+{
+       if (!rsc->layout.ubwc_size)
+               return;
+
+       if (ok_ubwc_format(format))
+               return;
+
+       fd_resource_uncompress(ctx, rsc);
+}
+
 uint32_t
 fd6_setup_slices(struct fd_resource *rsc)
 {
@@ -166,11 +296,11 @@ fd6_setup_slices(struct fd_resource *rsc)
 
        switch (rsc->base.target) {
        case PIPE_TEXTURE_3D:
-               rsc->layer_first = false;
+               rsc->layout.layer_first = false;
                alignment = 4096;
                break;
        default:
-               rsc->layer_first = true;
+               rsc->layout.layer_first = true;
                alignment = 1;
                break;
        }