diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_tex_layout.c | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c index 51a617fcb4..be8ce546a9 100644 --- a/src/mesa/drivers/dri/i965/brw_tex_layout.c +++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c @@ -28,7 +28,6 @@ * Authors: * Keith Whitwell <keith@tungstengraphics.com> */ - /* Code to layout images in a mipmap tree for i965. */ @@ -40,14 +39,14 @@ #define FILE_DEBUG_FLAG DEBUG_MIPTREE -GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_tree *mt ) +GLboolean brw_miptree_layout(struct intel_context *intel, + struct intel_mipmap_tree *mt) { - /* XXX: these vary depending on image format: - */ -/* GLint align_w = 4; */ + /* XXX: these vary depending on image format: */ + /* GLint align_w = 4; */ switch (mt->target) { - case GL_TEXTURE_CUBE_MAP: + case GL_TEXTURE_CUBE_MAP: case GL_TEXTURE_3D: { GLuint width = mt->width0; GLuint height = mt->height0; @@ -59,7 +58,7 @@ GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_t GLuint align_w = 4; mt->total_height = 0; - + if (mt->compressed) { align_w = intel_compressed_alignment(mt->internal_format); mt->pitch = ALIGN(width, align_w); @@ -72,12 +71,12 @@ GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_t pack_x_pitch = mt->pitch; pack_x_nr = 1; - for ( level = mt->first_level ; level <= mt->last_level ; level++ ) { + for (level = mt->first_level ; level <= mt->last_level ; level++) { GLuint nr_images = mt->target == GL_TEXTURE_3D ? depth : 6; GLint x = 0; GLint y = 0; GLint q, j; - + intel_miptree_set_level_info(mt, level, nr_images, 0, mt->total_height, width, height, depth); @@ -89,7 +88,7 @@ GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_t } x = 0; - y += pack_y_pitch; + y += pack_y_pitch; } @@ -98,25 +97,25 @@ GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_t 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 (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); - } - } + if (pack_y_pitch > 2) { + pack_y_pitch >>= 1; + pack_y_pitch = ALIGN(pack_y_pitch, align_h); + } + } } break; @@ -126,12 +125,12 @@ GLboolean brw_miptree_layout( struct intel_context *intel, struct intel_mipmap_t i945_miptree_layout_2d(intel, mt); break; } - DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, - mt->pitch, + DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, + mt->pitch, mt->total_height, mt->cpp, mt->pitch * mt->total_height * mt->cpp ); - + return GL_TRUE; } |