diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_texture.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index d378a7150d..e8b1d67007 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -1034,6 +1034,8 @@ struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen, struct r300_surface* surface = CALLOC_STRUCT(r300_surface); if (surface) { + uint32_t stride, offset, tile_height; + pipe_reference_init(&surface->base.reference, 1); pipe_resource_reference(&surface->base.texture, texture); surface->base.format = texture->format; @@ -1054,6 +1056,34 @@ struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen, surface->offset = r300_texture_get_offset(tex, level, zslice, face); surface->pitch = tex->fb_state.pitch[level]; surface->format = tex->fb_state.format; + + /* Parameters for the CBZB clear. */ + surface->cbzb_width = align(surface->base.width, 64); + + /* Height must be aligned to the size of a tile. */ + tile_height = r300_get_pixel_alignment(tex, tex->mip_macrotile[level], + DIM_HEIGHT); + surface->cbzb_height = align((surface->base.height + 1) / 2, + tile_height); + + /* Offset must be aligned to 2K and must point at the beginning + * of a scanline. */ + stride = r300_texture_get_stride(r300_screen(screen), tex, level); + offset = surface->offset + stride * surface->cbzb_height; + surface->cbzb_midpoint_offset = offset & ~2047; + + surface->cbzb_pitch = surface->pitch & 0x1ffffc; + + if (util_format_get_blocksizebits(surface->base.format) == 32) + surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; + else + surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z; + + SCREEN_DBG(r300_screen(screen), DBG_TEX, + "CBZB Dim: %ix%i, Misalignment: %i, Macro: %s\n", + surface->cbzb_width, surface->cbzb_height, + offset & 2047, + tex->mip_macrotile[level] ? "YES" : " NO"); } return &surface->base; |