From 00b86ecf6f2f936bad6d628622ea5546c780ab8d Mon Sep 17 00:00:00 2001 From: "Xiang, Haihao" Date: Fri, 17 Aug 2007 12:42:52 -0400 Subject: i965: align width/height for volume texture --- src/mesa/drivers/dri/i965/brw_tex_layout.c | 46 +++++++++++++++++++-------- src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 1 + 2 files changed, 34 insertions(+), 13 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c index af1ad0f1ef..2094a1c8ad 100644 --- a/src/mesa/drivers/dri/i965/brw_tex_layout.c +++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c @@ -37,6 +37,7 @@ #include "intel_tex_layout.h" #include "macros.h" +#define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1)) GLboolean brw_miptree_layout( struct intel_mipmap_tree *mt ) { @@ -53,11 +54,20 @@ GLboolean brw_miptree_layout( struct intel_mipmap_tree *mt ) GLuint pack_x_pitch, pack_x_nr; GLuint pack_y_pitch; GLuint level; + GLuint align_h = 2; + GLuint align_w = 4; - mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp; mt->total_height = 0; + + if (mt->compressed) { + align_w = intel_compressed_alignment(mt->internal_format); + mt->pitch = ALIGN(width, align_w); + pack_y_pitch = (height + 3) / 4; + } else { + mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp; + pack_y_pitch = ALIGN(mt->height0, align_h); + } - pack_y_pitch = MAX2(mt->height0, 2); pack_x_pitch = mt->pitch; pack_x_nr = 1; @@ -83,20 +93,30 @@ GLboolean brw_miptree_layout( struct intel_mipmap_tree *mt ) mt->total_height += y; - - if (pack_x_pitch > 4) { - pack_x_pitch >>= 1; - pack_x_nr <<= 1; - assert(pack_x_pitch * pack_x_nr <= mt->pitch); - } - - if (pack_y_pitch > 2) { - pack_y_pitch >>= 1; - } - width = minify(width); height = minify(height); depth = minify(depth); + + if (mt->compressed) { + pack_y_pitch = (height + 3) / 4; + + if (pack_x_pitch > ALIGN(width, align_w)) { + pack_x_pitch = ALIGN(width, align_w); + pack_x_nr <<= 1; + } + } else { + if (pack_x_pitch > 4) { + pack_x_pitch >>= 1; + pack_x_nr <<= 1; + assert(pack_x_pitch * pack_x_nr <= mt->pitch); + } + + if (pack_y_pitch > 2) { + pack_y_pitch >>= 1; + pack_y_pitch = ALIGN(pack_y_pitch, align_h); + } + } + } break; } diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c index f24f234682..0fb33e27f4 100644 --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c @@ -233,6 +233,7 @@ GLboolean intel_miptree_image_data(struct intel_context *intel, if (dst->compressed) { alignment = intel_compressed_alignment(dst->internal_format); + src_row_pitch = ((src_row_pitch + alignment - 1) & ~(alignment - 1)); width = ((width + alignment - 1) & ~(alignment - 1)); height = (height + 3) / 4; } -- cgit v1.2.3