/* * Copyright 2012 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "radeon.h" static const unsigned MicroBlockTable[5][3][2] = { /*linear tiled square-tiled */ {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */ {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */ {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */ {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */ {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */ }; /* Return true if macrotiling can be enabled */ static Bool RADEONMacroSwitch(int width, int height, int bpp, uint32_t flags, Bool rv350_mode) { unsigned tilew, tileh, microtiled, logbpp; logbpp = RADEONLog2(bpp / 8); if (logbpp > 4) return 0; microtiled = !!(flags & RADEON_TILING_MICRO); tilew = MicroBlockTable[logbpp][microtiled][0] * 8; tileh = MicroBlockTable[logbpp][microtiled][1] * 8; /* See TX_FILTER1_n.MACRO_SWITCH. */ if (rv350_mode) { return width >= tilew && height >= tileh; } else { return width > tilew && height > tileh; } } /* Calculate appropriate tiling and pitch for a pixmap and allocate a BO that * can hold it. */ struct radeon_bo* radeon_alloc_pixmap_bo(ScrnInfoPtr pScrn, int width, int height, int depth, int usage_hint, int bitsPerPixel, int *new_pitch, struct radeon_surface *new_surface, uint32_t *new_tiling) { RADEONInfoPtr info = RADEONPTR(pScrn); int pitch, base_align; uint32_t size, heighta; int cpp = bitsPerPixel / 8; uint32_t tiling = 0; struct radeon_surface surface; struct radeon_bo *bo; int domain = RADEON_GEM_DOMAIN_VRAM; if (usage_hint) { if (info->allowColorTiling) { if (usage_hint & RADEON_CREATE_PIXMAP_TILING_MACRO) tiling |= RADEON_TILING_MACRO; if (usage_hint & RADEON_CREATE_PIXMAP_TILING_MICRO) tiling |= RADEON_TILING_MICRO; } if (usage_hint & RADEON_CREATE_PIXMAP_DEPTH) tiling |= RADEON_TILING_MACRO | RADEON_TILING_MICRO; #ifdef CREATE_PIXMAP_USAGE_SHARED if ((usage_hint & 0xffff) == CREATE_PIXMAP_USAGE_SHARED) { tiling = 0; domain = RADEON_GEM_DOMAIN_GTT; } #endif } /* Small pixmaps must not be macrotiled on R300, hw cannot sample them * correctly because samplers automatically switch to macrolinear. */ if (info->ChipFamily >= CHIP_FAMILY_R300 && info->ChipFamily <= CHIP_FAMILY_RS740 && (tiling & RADEON_TILING_MACRO) && !RADEONMacroSwitch(width, height, bitsPerPixel, tiling, info->ChipFamily >= CHIP_FAMILY_RV350)) { tiling &= ~RADEON_TILING_MACRO; } heighta = RADEON_ALIGN(height, drmmode_get_height_align(pScrn, tiling)); pitch = RADEON_ALIGN(width, drmmode_get_pitch_align(pScrn, cpp, tiling)) * cpp; base_align = drmmode_get_base_align(pScrn, cpp, tiling); size = RADEON_ALIGN(heighta * pitch, RADEON_GPU_PAGE_SIZE); memset(&surface, 0, sizeof(struct radeon_surface)); if (info->ChipFamily >= CHIP_FAMILY_R600 && info->surf_man) { if (width) { surface.npix_x = width; /* need to align height to 8 for old kernel */ surface.npix_y = RADEON_ALIGN(height, 8); surface.npix_z = 1; surface.blk_w = 1; surface.blk_h = 1; surface.blk_d = 1; surface.array_size = 1; surface.last_level = 0; surface.bpe = cpp; surface.nsamples = 1; if (height < 64) { /* disable 2d tiling for small surface to work around * the fact that ddx align height to 8 pixel for old * obscure reason i can't remember */ tiling &= ~RADEON_TILING_MACRO; } surface.flags = RADEON_SURF_SCANOUT; surface.flags |= RADEON_SURF_SET(RADEON_SURF_TYPE_2D, TYPE); surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_LINEAR, MODE); if ((tiling & RADEON_TILING_MICRO)) { surface.flags = RADEON_SURF_CLR(surface.flags, MODE); surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_1D, MODE); } if ((tiling & RADEON_TILING_MACRO)) { surface.flags = RADEON_SURF_CLR(surface.flags, MODE); surface.flags |= RADEON_SURF_SET(RADEON_SURF_MODE_2D, MODE); } if (usage_hint & RADEON_CREATE_PIXMAP_SZBUFFER) { surface.flags |= RADEON_SURF_ZBUFFER; surface.flags |= RADEON_SURF_SBUFFER; } if (radeon_surface_best(info->surf_man, &surface)) { return NULL; } if (radeon_surface_init(info->surf_man, &surface)) { return NULL; } size = surface.bo_size; base_align = surface.bo_alignment; pitch = surface.level[0].pitch_bytes; tiling = 0; switch (surface.level[0].mode) { case RADEON_SURF_MODE_2D: tiling |= RADEON_TILING_MACRO; tiling |= surface.bankw << RADEON_TILING_EG_BANKW_SHIFT; tiling |= surface.bankh << RADEON_TILING_EG_BANKH_SHIFT; tiling |= surface.mtilea << RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT; tiling |= eg_tile_split(surface.tile_split) << RADEON_TILING_EG_TILE_SPLIT_SHIFT; tiling |= eg_tile_split(surface.stencil_tile_split) << RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT; break; case RADEON_SURF_MODE_1D: tiling |= RADEON_TILING_MICRO; break; default: break; } } } bo = radeon_bo_open(info->bufmgr, 0, size, base_align, domain, 0); if (bo && tiling && radeon_bo_set_tiling(bo, tiling, pitch) == 0) *new_tiling = tiling; *new_surface = surface; *new_pitch = pitch; return bo; }