diff options
Diffstat (limited to 'src/gallium/drivers/radeon/r600_texture.c')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_texture.c | 82 |
1 files changed, 67 insertions, 15 deletions
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 47f9b0e4374..c7ef2777c20 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -459,20 +459,61 @@ void r600_texture_init_cmask(struct r600_common_screen *rscreen, } } -static void r600_texture_allocate_htile(struct r600_common_screen *rscreen, - struct r600_texture *rtex) +static unsigned si_texture_htile_alloc_size(struct r600_common_screen *rscreen, + struct r600_texture *rtex) +{ + unsigned cl_width, cl_height, width, height; + unsigned slice_elements, slice_bytes, pipe_interleave_bytes, base_align; + unsigned num_pipes = rscreen->tiling_info.num_channels; + + switch (num_pipes) { + case 2: + cl_width = 32; + cl_height = 32; + break; + case 4: + cl_width = 64; + cl_height = 32; + break; + case 8: + cl_width = 64; + cl_height = 64; + break; + case 16: + cl_width = 128; + cl_height = 64; + break; + default: + assert(0); + return 0; + } + + width = align(rtex->surface.npix_x, cl_width * 8); + height = align(rtex->surface.npix_y, cl_height * 8); + + slice_elements = (width * height) / (8 * 8); + slice_bytes = slice_elements * 4; + + pipe_interleave_bytes = rscreen->tiling_info.group_bytes; + base_align = num_pipes * pipe_interleave_bytes; + + return rtex->surface.array_size * align(slice_bytes, base_align); +} + +static unsigned r600_texture_htile_alloc_size(struct r600_common_screen *rscreen, + struct r600_texture *rtex) { unsigned sw = rtex->surface.level[0].nblk_x * rtex->surface.blk_w; unsigned sh = rtex->surface.level[0].nblk_y * rtex->surface.blk_h; - unsigned htile_size; unsigned npipes = rscreen->info.r600_num_tile_pipes; + unsigned htile_size; /* XXX also use it for other texture targets */ if (rscreen->info.drm_minor < 26 || rtex->resource.b.b.target != PIPE_TEXTURE_2D || rtex->surface.level[0].nblk_x < 32 || rtex->surface.level[0].nblk_y < 32) { - return; + return 0; } /* this alignment and htile size only apply to linear htile buffer */ @@ -481,15 +522,30 @@ static void r600_texture_allocate_htile(struct r600_common_screen *rscreen, htile_size = (sw >> 3) * (sh >> 3) * 4; /* must be aligned with 2K * npipes */ htile_size = align(htile_size, (2 << 10) * npipes); + return htile_size; +} + +static void r600_texture_allocate_htile(struct r600_common_screen *rscreen, + struct r600_texture *rtex) +{ + unsigned htile_size; + if (rscreen->chip_class >= SI) { + htile_size = si_texture_htile_alloc_size(rscreen, rtex); + } else { + htile_size = r600_texture_htile_alloc_size(rscreen, rtex); + } + + if (!htile_size) + return; /* XXX don't allocate it separately */ - rtex->htile_buffer = (struct r600_resource*)pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM, - PIPE_USAGE_STATIC, htile_size); + rtex->htile_buffer = (struct r600_resource*) + pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM, + PIPE_USAGE_STATIC, htile_size); if (rtex->htile_buffer == NULL) { /* this is not a fatal error as we can still keep rendering - * without htile buffer - */ - R600_ERR("r600: failed to create bo for htile buffers\n"); + * without htile buffer */ + R600_ERR("Failed to create buffer object for htile buffer.\n"); } else { r600_screen_clear_buffer(rscreen, &rtex->htile_buffer->b.b, 0, htile_size, 0); } @@ -536,12 +592,8 @@ r600_texture_create_object(struct pipe_screen *screen, if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER | R600_RESOURCE_FLAG_FLUSHED_DEPTH)) && !(rscreen->debug_flags & DBG_NO_HYPERZ)) { - if (rscreen->chip_class >= SI) { - /* XXX implement Hyper-Z for SI. - * Reuse the CMASK allocator, which is almost the same as HTILE. */ - } else { - r600_texture_allocate_htile(rscreen, rtex); - } + + r600_texture_allocate_htile(rscreen, rtex); } } else { if (base->nr_samples > 1) { |