+ r300->rs_block_state.size = 13 + count*2;
+ }
+}
+
+static void rgba_to_bgra(float color[4])
+{
+ float x = color[0];
+ color[0] = color[2];
+ color[2] = x;
+}
+
+static uint32_t r300_get_border_color(enum pipe_format format,
+ const float border[4],
+ boolean is_r500)
+{
+ const struct util_format_description *desc;
+ float border_swizzled[4] = {0};
+ union util_color uc = {0};
+
+ desc = util_format_description(format);
+
+ /* Do depth formats first. */
+ if (util_format_is_depth_or_stencil(format)) {
+ switch (format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]);
+ case PIPE_FORMAT_X8Z24_UNORM:
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ if (is_r500) {
+ return util_pack_z(PIPE_FORMAT_X8Z24_UNORM, border[0]);
+ } else {
+ return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]) << 16;
+ }
+ default:
+ assert(0);
+ return 0;
+ }
+ }
+
+ /* Apply inverse swizzle of the format. */
+ util_format_unswizzle_4f(border_swizzled, border, desc->swizzle);
+
+ /* Compressed formats. */
+ if (util_format_is_compressed(format)) {
+ switch (format) {
+ case PIPE_FORMAT_RGTC1_SNORM:
+ case PIPE_FORMAT_LATC1_SNORM:
+ border_swizzled[0] = border_swizzled[0] < 0 ?
+ border_swizzled[0]*0.5+1 :
+ border_swizzled[0]*0.5;
+ /* Pass through. */
+
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_LATC1_UNORM:
+ /* Add 1/32 to round the border color instead of truncating. */
+ /* The Y component is used for the border color. */
+ border_swizzled[1] = border_swizzled[0] + 1.0f/32;
+ util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc);
+ return uc.ui;
+ case PIPE_FORMAT_RGTC2_SNORM:
+ case PIPE_FORMAT_LATC2_SNORM:
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
+ return uc.ui;
+ case PIPE_FORMAT_RGTC2_UNORM:
+ case PIPE_FORMAT_LATC2_UNORM:
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ return uc.ui;
+ case PIPE_FORMAT_DXT1_SRGB:
+ case PIPE_FORMAT_DXT1_SRGBA:
+ case PIPE_FORMAT_DXT3_SRGBA:
+ case PIPE_FORMAT_DXT5_SRGBA:
+ util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_SRGB, &uc);
+ return uc.ui;
+ default:
+ util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
+ return uc.ui;
+ }
+ }
+
+ switch (desc->channel[0].size) {
+ case 2:
+ rgba_to_bgra(border_swizzled);
+ util_pack_color(border_swizzled, PIPE_FORMAT_B2G3R3_UNORM, &uc);
+ break;
+
+ case 4:
+ rgba_to_bgra(border_swizzled);
+ util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc);
+ break;
+
+ case 5:
+ rgba_to_bgra(border_swizzled);
+ if (desc->channel[1].size == 5) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_B5G5R5A1_UNORM, &uc);
+ } else if (desc->channel[1].size == 6) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_B5G6R5_UNORM, &uc);
+ } else {
+ assert(0);
+ }
+ break;
+
+ default:
+ case 8:
+ if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
+ } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
+ if (desc->nr_channels == 2) {
+ border_swizzled[3] = border_swizzled[1];
+ util_pack_color(border_swizzled, PIPE_FORMAT_L8A8_SRGB, &uc);
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SRGB, &uc);
+ }
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ }
+ break;
+
+ case 10:
+ util_pack_color(border_swizzled, PIPE_FORMAT_R10G10B10A2_UNORM, &uc);
+ break;
+
+ case 16:
+ if (desc->nr_channels <= 2) {
+ if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_FLOAT, &uc);
+ } else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_SNORM, &uc);
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_UNORM, &uc);
+ }
+ } else {
+ if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ }
+ }
+ break;
+
+ case 32:
+ if (desc->nr_channels == 1) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R32_FLOAT, &uc);
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ }
+ break;