2 files changed, 454 insertions, 0 deletions

diff --git a/src/amd/common/ac_surface.c b/src/amd/common/ac_surface.c
index 6cfa99625e8..cf741049db8 100644
--- a/src/amd/common/ac_surface.c
+++ b/src/amd/common/ac_surface.c
@@ -33,6 +33,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <amdgpu.h>
+#include <amdgpu_drm.h>
 
 #include "addrlib/addrinterface.h"
 
@@ -200,3 +201,432 @@ ADDR_HANDLE amdgpu_addr_create(enum radeon_family family,
 
 	return addrCreateOutput.hLib;
 }
+
+static int gfx6_compute_level(ADDR_HANDLE addrlib,
+			      const struct ac_surf_config *config,
+			      struct radeon_surf *surf, bool is_stencil,
+			      unsigned level, bool compressed,
+			      ADDR_COMPUTE_SURFACE_INFO_INPUT *AddrSurfInfoIn,
+			      ADDR_COMPUTE_SURFACE_INFO_OUTPUT *AddrSurfInfoOut,
+			      ADDR_COMPUTE_DCCINFO_INPUT *AddrDccIn,
+			      ADDR_COMPUTE_DCCINFO_OUTPUT *AddrDccOut,
+			      ADDR_COMPUTE_HTILE_INFO_INPUT *AddrHtileIn,
+			      ADDR_COMPUTE_HTILE_INFO_OUTPUT *AddrHtileOut)
+{
+	struct legacy_surf_level *surf_level;
+	ADDR_E_RETURNCODE ret;
+
+	AddrSurfInfoIn->mipLevel = level;
+	AddrSurfInfoIn->width = u_minify(config->info.width, level);
+	AddrSurfInfoIn->height = u_minify(config->info.height, level);
+
+	if (config->is_3d)
+		AddrSurfInfoIn->numSlices = u_minify(config->info.depth, level);
+	else if (config->is_cube)
+		AddrSurfInfoIn->numSlices = 6;
+	else
+		AddrSurfInfoIn->numSlices = config->info.array_size;
+
+	if (level > 0) {
+		/* Set the base level pitch. This is needed for calculation
+		 * of non-zero levels. */
+		if (is_stencil)
+			AddrSurfInfoIn->basePitch = surf->u.legacy.stencil_level[0].nblk_x;
+		else
+			AddrSurfInfoIn->basePitch = surf->u.legacy.level[0].nblk_x;
+
+		/* Convert blocks to pixels for compressed formats. */
+		if (compressed)
+			AddrSurfInfoIn->basePitch *= surf->blk_w;
+	}
+
+	ret = AddrComputeSurfaceInfo(addrlib,
+				     AddrSurfInfoIn,
+				     AddrSurfInfoOut);
+	if (ret != ADDR_OK) {
+		return ret;
+	}
+
+	surf_level = is_stencil ? &surf->u.legacy.stencil_level[level] : &surf->u.legacy.level[level];
+	surf_level->offset = align64(surf->surf_size, AddrSurfInfoOut->baseAlign);
+	surf_level->slice_size = AddrSurfInfoOut->sliceSize;
+	surf_level->nblk_x = AddrSurfInfoOut->pitch;
+	surf_level->nblk_y = AddrSurfInfoOut->height;
+
+	switch (AddrSurfInfoOut->tileMode) {
+	case ADDR_TM_LINEAR_ALIGNED:
+		surf_level->mode = RADEON_SURF_MODE_LINEAR_ALIGNED;
+		break;
+	case ADDR_TM_1D_TILED_THIN1:
+		surf_level->mode = RADEON_SURF_MODE_1D;
+		break;
+	case ADDR_TM_2D_TILED_THIN1:
+		surf_level->mode = RADEON_SURF_MODE_2D;
+		break;
+	default:
+		assert(0);
+	}
+
+	if (is_stencil)
+		surf->u.legacy.stencil_tiling_index[level] = AddrSurfInfoOut->tileIndex;
+	else
+		surf->u.legacy.tiling_index[level] = AddrSurfInfoOut->tileIndex;
+
+	surf->surf_size = surf_level->offset + AddrSurfInfoOut->surfSize;
+
+	/* Clear DCC fields at the beginning. */
+	surf_level->dcc_offset = 0;
+
+	/* The previous level's flag tells us if we can use DCC for this level. */
+	if (AddrSurfInfoIn->flags.dccCompatible &&
+	    (level == 0 || AddrDccOut->subLvlCompressible)) {
+		AddrDccIn->colorSurfSize = AddrSurfInfoOut->surfSize;
+		AddrDccIn->tileMode = AddrSurfInfoOut->tileMode;
+		AddrDccIn->tileInfo = *AddrSurfInfoOut->pTileInfo;
+		AddrDccIn->tileIndex = AddrSurfInfoOut->tileIndex;
+		AddrDccIn->macroModeIndex = AddrSurfInfoOut->macroModeIndex;
+
+		ret = AddrComputeDccInfo(addrlib,
+					 AddrDccIn,
+					 AddrDccOut);
+
+		if (ret == ADDR_OK) {
+			surf_level->dcc_offset = surf->dcc_size;
+			surf_level->dcc_fast_clear_size = AddrDccOut->dccFastClearSize;
+			surf->num_dcc_levels = level + 1;
+			surf->dcc_size = surf_level->dcc_offset + AddrDccOut->dccRamSize;
+			surf->dcc_alignment = MAX2(surf->dcc_alignment, AddrDccOut->dccRamBaseAlign);
+		}
+	}
+
+	/* TC-compatible HTILE. */
+	if (!is_stencil &&
+	    AddrSurfInfoIn->flags.depth &&
+	    AddrSurfInfoIn->flags.tcCompatible &&
+	    surf_level->mode == RADEON_SURF_MODE_2D &&
+	    level == 0) {
+		AddrHtileIn->flags.tcCompatible = 1;
+		AddrHtileIn->pitch = AddrSurfInfoOut->pitch;
+		AddrHtileIn->height = AddrSurfInfoOut->height;
+		AddrHtileIn->numSlices = AddrSurfInfoOut->depth;
+		AddrHtileIn->blockWidth = ADDR_HTILE_BLOCKSIZE_8;
+		AddrHtileIn->blockHeight = ADDR_HTILE_BLOCKSIZE_8;
+		AddrHtileIn->pTileInfo = AddrSurfInfoOut->pTileInfo;
+		AddrHtileIn->tileIndex = AddrSurfInfoOut->tileIndex;
+		AddrHtileIn->macroModeIndex = AddrSurfInfoOut->macroModeIndex;
+
+		ret = AddrComputeHtileInfo(addrlib,
+					   AddrHtileIn,
+					   AddrHtileOut);
+
+		if (ret == ADDR_OK) {
+			surf->htile_size = AddrHtileOut->htileBytes;
+			surf->htile_alignment = AddrHtileOut->baseAlign;
+		}
+	}
+
+	return 0;
+}
+
+#define   G_009910_MICRO_TILE_MODE(x)          (((x) >> 0) & 0x03)
+#define   G_009910_MICRO_TILE_MODE_NEW(x)      (((x) >> 22) & 0x07)
+
+static void gfx6_set_micro_tile_mode(struct radeon_surf *surf,
+				     const struct amdgpu_gpu_info *amdinfo)
+{
+	uint32_t tile_mode = amdinfo->gb_tile_mode[surf->u.legacy.tiling_index[0]];
+
+	if (amdinfo->family_id >= AMDGPU_FAMILY_CI)
+		surf->micro_tile_mode = G_009910_MICRO_TILE_MODE_NEW(tile_mode);
+	else
+		surf->micro_tile_mode = G_009910_MICRO_TILE_MODE(tile_mode);
+}
+
+static unsigned cik_get_macro_tile_index(struct radeon_surf *surf)
+{
+	unsigned index, tileb;
+
+	tileb = 8 * 8 * surf->bpe;
+	tileb = MIN2(surf->u.legacy.tile_split, tileb);
+
+	for (index = 0; tileb > 64; index++)
+		tileb >>= 1;
+
+	assert(index < 16);
+	return index;
+}
+
+/**
+ * Fill in the tiling information in \p surf based on the given surface config.
+ *
+ * The following fields of \p surf must be initialized by the caller:
+ * blk_w, blk_h, bpe, flags.
+ */
+int gfx6_compute_surface(ADDR_HANDLE addrlib,
+			 const struct ac_surf_config *config,
+			 enum radeon_surf_mode mode,
+			 struct radeon_surf *surf)
+{
+	unsigned level;
+	bool compressed;
+	ADDR_COMPUTE_SURFACE_INFO_INPUT AddrSurfInfoIn = {0};
+	ADDR_COMPUTE_SURFACE_INFO_OUTPUT AddrSurfInfoOut = {0};
+	ADDR_COMPUTE_DCCINFO_INPUT AddrDccIn = {0};
+	ADDR_COMPUTE_DCCINFO_OUTPUT AddrDccOut = {0};
+	ADDR_COMPUTE_HTILE_INFO_INPUT AddrHtileIn = {0};
+	ADDR_COMPUTE_HTILE_INFO_OUTPUT AddrHtileOut = {0};
+	ADDR_TILEINFO AddrTileInfoIn = {0};
+	ADDR_TILEINFO AddrTileInfoOut = {0};
+	int r;
+
+	AddrSurfInfoIn.size = sizeof(ADDR_COMPUTE_SURFACE_INFO_INPUT);
+	AddrSurfInfoOut.size = sizeof(ADDR_COMPUTE_SURFACE_INFO_OUTPUT);
+	AddrDccIn.size = sizeof(ADDR_COMPUTE_DCCINFO_INPUT);
+	AddrDccOut.size = sizeof(ADDR_COMPUTE_DCCINFO_OUTPUT);
+	AddrHtileIn.size = sizeof(ADDR_COMPUTE_HTILE_INFO_INPUT);
+	AddrHtileOut.size = sizeof(ADDR_COMPUTE_HTILE_INFO_OUTPUT);
+	AddrSurfInfoOut.pTileInfo = &AddrTileInfoOut;
+
+	compressed = surf->blk_w == 4 && surf->blk_h == 4;
+
+	/* MSAA and FMASK require 2D tiling. */
+	if (config->info.samples > 1 ||
+	    (surf->flags & RADEON_SURF_FMASK))
+		mode = RADEON_SURF_MODE_2D;
+
+	/* DB doesn't support linear layouts. */
+	if (surf->flags & (RADEON_SURF_Z_OR_SBUFFER) &&
+	    mode < RADEON_SURF_MODE_1D)
+		mode = RADEON_SURF_MODE_1D;
+
+	/* Set the requested tiling mode. */
+	switch (mode) {
+	case RADEON_SURF_MODE_LINEAR_ALIGNED:
+		AddrSurfInfoIn.tileMode = ADDR_TM_LINEAR_ALIGNED;
+		break;
+	case RADEON_SURF_MODE_1D:
+		AddrSurfInfoIn.tileMode = ADDR_TM_1D_TILED_THIN1;
+		break;
+	case RADEON_SURF_MODE_2D:
+		AddrSurfInfoIn.tileMode = ADDR_TM_2D_TILED_THIN1;
+		break;
+	default:
+		assert(0);
+	}
+
+	/* The format must be set correctly for the allocation of compressed
+	 * textures to work. In other cases, setting the bpp is sufficient.
+	 */
+	if (compressed) {
+		switch (surf->bpe) {
+		case 8:
+			AddrSurfInfoIn.format = ADDR_FMT_BC1;
+			break;
+		case 16:
+			AddrSurfInfoIn.format = ADDR_FMT_BC3;
+			break;
+		default:
+			assert(0);
+		}
+	}
+	else {
+		AddrDccIn.bpp = AddrSurfInfoIn.bpp = surf->bpe * 8;
+	}
+
+	AddrDccIn.numSamples = AddrSurfInfoIn.numSamples =
+		config->info.samples ? config->info.samples : 1;
+	AddrSurfInfoIn.tileIndex = -1;
+
+	/* Set the micro tile type. */
+	if (surf->flags & RADEON_SURF_SCANOUT)
+		AddrSurfInfoIn.tileType = ADDR_DISPLAYABLE;
+	else if (surf->flags & (RADEON_SURF_Z_OR_SBUFFER | RADEON_SURF_FMASK))
+		AddrSurfInfoIn.tileType = ADDR_DEPTH_SAMPLE_ORDER;
+	else
+		AddrSurfInfoIn.tileType = ADDR_NON_DISPLAYABLE;
+
+	AddrSurfInfoIn.flags.color = !(surf->flags & RADEON_SURF_Z_OR_SBUFFER);
+	AddrSurfInfoIn.flags.depth = (surf->flags & RADEON_SURF_ZBUFFER) != 0;
+	AddrSurfInfoIn.flags.cube = config->is_cube;
+	AddrSurfInfoIn.flags.fmask = (surf->flags & RADEON_SURF_FMASK) != 0;
+	AddrSurfInfoIn.flags.display = (surf->flags & RADEON_SURF_SCANOUT) != 0;
+	AddrSurfInfoIn.flags.pow2Pad = config->info.levels > 1;
+	AddrSurfInfoIn.flags.tcCompatible = (surf->flags & RADEON_SURF_TC_COMPATIBLE_HTILE) != 0;
+
+	/* Only degrade the tile mode for space if TC-compatible HTILE hasn't been
+	 * requested, because TC-compatible HTILE requires 2D tiling.
+	 */
+	AddrSurfInfoIn.flags.opt4Space = !AddrSurfInfoIn.flags.tcCompatible &&
+					 !AddrSurfInfoIn.flags.fmask &&
+					 config->info.samples <= 1 &&
+					 (surf->flags & RADEON_SURF_OPTIMIZE_FOR_SPACE);
+
+	/* DCC notes:
+	 * - If we add MSAA support, keep in mind that CB can't decompress 8bpp
+	 *   with samples >= 4.
+	 * - Mipmapped array textures have low performance (discovered by a closed
+	 *   driver team).
+	 */
+	AddrSurfInfoIn.flags.dccCompatible =
+		config->chip_class >= VI &&
+		!(surf->flags & RADEON_SURF_Z_OR_SBUFFER) &&
+		!(surf->flags & RADEON_SURF_DISABLE_DCC) &&
+		!compressed && AddrDccIn.numSamples <= 1 &&
+		((config->info.array_size == 1 && config->info.depth == 1) ||
+		 config->info.levels == 1);
+
+	AddrSurfInfoIn.flags.noStencil = (surf->flags & RADEON_SURF_SBUFFER) == 0;
+	AddrSurfInfoIn.flags.compressZ = AddrSurfInfoIn.flags.depth;
+
+	/* noStencil = 0 can result in a depth part that is incompatible with
+	 * mipmapped texturing. So set noStencil = 1 when mipmaps are requested (in
+	 * this case, we may end up setting stencil_adjusted).
+	 *
+	 * TODO: update addrlib to a newer version, remove this, and
+	 * use flags.matchStencilTileCfg = 1 as an alternative fix.
+	 */
+	if (config->info.levels > 1)
+		AddrSurfInfoIn.flags.noStencil = 1;
+
+	/* Set preferred macrotile parameters. This is usually required
+	 * for shared resources. This is for 2D tiling only. */
+	if (AddrSurfInfoIn.tileMode >= ADDR_TM_2D_TILED_THIN1 &&
+	    surf->u.legacy.bankw && surf->u.legacy.bankh &&
+	    surf->u.legacy.mtilea && surf->u.legacy.tile_split) {
+		assert(!(surf->flags & RADEON_SURF_FMASK));
+
+		/* If any of these parameters are incorrect, the calculation
+		 * will fail. */
+		AddrTileInfoIn.banks = surf->u.legacy.num_banks;
+		AddrTileInfoIn.bankWidth = surf->u.legacy.bankw;
+		AddrTileInfoIn.bankHeight = surf->u.legacy.bankh;
+		AddrTileInfoIn.macroAspectRatio = surf->u.legacy.mtilea;
+		AddrTileInfoIn.tileSplitBytes = surf->u.legacy.tile_split;
+		AddrTileInfoIn.pipeConfig = surf->u.legacy.pipe_config + 1; /* +1 compared to GB_TILE_MODE */
+		AddrSurfInfoIn.flags.opt4Space = 0;
+		AddrSurfInfoIn.pTileInfo = &AddrTileInfoIn;
+
+		/* If AddrSurfInfoIn.pTileInfo is set, Addrlib doesn't set
+		 * the tile index, because we are expected to know it if
+		 * we know the other parameters.
+		 *
+		 * This is something that can easily be fixed in Addrlib.
+		 * For now, just figure it out here.
+		 * Note that only 2D_TILE_THIN1 is handled here.
+		 */
+		assert(!(surf->flags & RADEON_SURF_Z_OR_SBUFFER));
+		assert(AddrSurfInfoIn.tileMode == ADDR_TM_2D_TILED_THIN1);
+
+		if (config->chip_class == SI) {
+			if (AddrSurfInfoIn.tileType == ADDR_DISPLAYABLE) {
+				if (surf->bpe == 2)
+					AddrSurfInfoIn.tileIndex = 11; /* 16bpp */
+				else
+					AddrSurfInfoIn.tileIndex = 12; /* 32bpp */
+			} else {
+				if (surf->bpe == 1)
+					AddrSurfInfoIn.tileIndex = 14; /* 8bpp */
+				else if (surf->bpe == 2)
+					AddrSurfInfoIn.tileIndex = 15; /* 16bpp */
+				else if (surf->bpe == 4)
+					AddrSurfInfoIn.tileIndex = 16; /* 32bpp */
+				else
+					AddrSurfInfoIn.tileIndex = 17; /* 64bpp (and 128bpp) */
+			}
+		} else {
+			/* CIK - VI */
+			if (AddrSurfInfoIn.tileType == ADDR_DISPLAYABLE)
+				AddrSurfInfoIn.tileIndex = 10; /* 2D displayable */
+			else
+				AddrSurfInfoIn.tileIndex = 14; /* 2D non-displayable */
+
+			/* Addrlib doesn't set this if tileIndex is forced like above. */
+			AddrSurfInfoOut.macroModeIndex = cik_get_macro_tile_index(surf);
+		}
+	}
+
+	surf->num_dcc_levels = 0;
+	surf->surf_size = 0;
+	surf->dcc_size = 0;
+	surf->dcc_alignment = 1;
+	surf->htile_size = 0;
+	surf->htile_alignment = 1;
+
+	/* Calculate texture layout information. */
+	for (level = 0; level < config->info.levels; level++) {
+		r = gfx6_compute_level(addrlib, config, surf, false, level, compressed,
+				       &AddrSurfInfoIn, &AddrSurfInfoOut,
+				       &AddrDccIn, &AddrDccOut, &AddrHtileIn, &AddrHtileOut);
+		if (r)
+			return r;
+
+		if (level == 0) {
+			surf->surf_alignment = AddrSurfInfoOut.baseAlign;
+			surf->u.legacy.pipe_config = AddrSurfInfoOut.pTileInfo->pipeConfig - 1;
+			gfx6_set_micro_tile_mode(surf, config->amdinfo);
+
+			/* For 2D modes only. */
+			if (AddrSurfInfoOut.tileMode >= ADDR_TM_2D_TILED_THIN1) {
+				surf->u.legacy.bankw = AddrSurfInfoOut.pTileInfo->bankWidth;
+				surf->u.legacy.bankh = AddrSurfInfoOut.pTileInfo->bankHeight;
+				surf->u.legacy.mtilea = AddrSurfInfoOut.pTileInfo->macroAspectRatio;
+				surf->u.legacy.tile_split = AddrSurfInfoOut.pTileInfo->tileSplitBytes;
+				surf->u.legacy.num_banks = AddrSurfInfoOut.pTileInfo->banks;
+				surf->u.legacy.macro_tile_index = AddrSurfInfoOut.macroModeIndex;
+			} else {
+				surf->u.legacy.macro_tile_index = 0;
+			}
+		}
+	}
+
+	/* Calculate texture layout information for stencil. */
+	if (surf->flags & RADEON_SURF_SBUFFER) {
+		AddrSurfInfoIn.bpp = 8;
+		AddrSurfInfoIn.flags.depth = 0;
+		AddrSurfInfoIn.flags.stencil = 1;
+		AddrSurfInfoIn.flags.tcCompatible = 0;
+		/* This will be ignored if AddrSurfInfoIn.pTileInfo is NULL. */
+		AddrTileInfoIn.tileSplitBytes = surf->u.legacy.stencil_tile_split;
+
+		for (level = 0; level < config->info.levels; level++) {
+			r = gfx6_compute_level(addrlib, config, surf, true, level, compressed,
+					       &AddrSurfInfoIn, &AddrSurfInfoOut,
+					       &AddrDccIn, &AddrDccOut,
+					       NULL, NULL);
+			if (r)
+				return r;
+
+			/* DB uses the depth pitch for both stencil and depth. */
+			if (surf->u.legacy.stencil_level[level].nblk_x !=
+			    surf->u.legacy.level[level].nblk_x)
+				surf->u.legacy.stencil_adjusted = true;
+
+			if (level == 0) {
+				/* For 2D modes only. */
+				if (AddrSurfInfoOut.tileMode >= ADDR_TM_2D_TILED_THIN1) {
+					surf->u.legacy.stencil_tile_split =
+						AddrSurfInfoOut.pTileInfo->tileSplitBytes;
+				}
+			}
+		}
+	}
+
+	/* Recalculate the whole DCC miptree size including disabled levels.
+	 * This is what addrlib does, but calling addrlib would be a lot more
+	 * complicated.
+	 */
+	if (surf->dcc_size && config->info.levels > 1) {
+		surf->dcc_size = align64(surf->surf_size >> 8,
+					 config->pipe_interleave_bytes *
+					 config->num_tile_pipes);
+	}
+
+	/* Make sure HTILE covers the whole miptree, because the shader reads
+	 * TC-compatible HTILE even for levels where it's disabled by DB.
+	 */
+	if (surf->htile_size && config->info.levels > 1)
+		surf->htile_size *= 2;
+
+	surf->is_linear = surf->u.legacy.level[0].mode == RADEON_SURF_MODE_LINEAR_ALIGNED;
+	return 0;
+}
diff --git a/src/amd/common/ac_surface.h b/src/amd/common/ac_surface.h
index d648e88ae20..5e4cb81630b 100644
--- a/src/amd/common/ac_surface.h
+++ b/src/amd/common/ac_surface.h
@@ -182,7 +182,31 @@ struct radeon_surf {
     } u;
 };
 
+struct ac_surf_info {
+	uint32_t width;
+	uint32_t height;
+	uint32_t depth;
+	uint8_t samples;
+	uint8_t levels;
+	uint16_t array_size;
+};
+
+struct ac_surf_config {
+	struct ac_surf_info info;
+	unsigned is_3d : 1;
+	unsigned is_cube : 1;
+	enum chip_class chip_class : 4;
+	unsigned num_tile_pipes;
+	unsigned pipe_interleave_bytes;
+	const struct amdgpu_gpu_info *amdinfo;
+};
+
 ADDR_HANDLE amdgpu_addr_create(enum radeon_family family,
 			       const struct amdgpu_gpu_info *info);
 
+int gfx6_compute_surface(ADDR_HANDLE addrlib,
+			 const struct ac_surf_config *config,
+			 enum radeon_surf_mode mode,
+			 struct radeon_surf *surf);
+
 #endif /* AC_SURFACE_H */