r300: add half_float_vertex support

2010-02-14 21:58:00 +01:00
parent 6e958832af
commit 558c15995f
2 changed files with 11 additions and 0 deletions
@@ -244,6 +244,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #       define R300_DATA_TYPE_SHORT_4                   7
 #       define R300_DATA_TYPE_VECTOR_3_TTT              8
 #       define R300_DATA_TYPE_VECTOR_3_EET              9
+#       define R300_DATA_TYPE_FLOAT_8                   10
+#       define R300_DATA_TYPE_FLT16_2                   11
+#       define R300_DATA_TYPE_FLT16_4                   12
 #       define R300_SKIP_DWORDS_SHIFT                   4
 #       define R300_DST_VEC_LOC_SHIFT                   8
 #       define R300_LAST_VEC                            (1 << 13)
@@ -507,6 +507,14 @@ r300_translate_vertex_data_type(enum pipe_format format) {
        /* Half-floats, floats, doubles */
        case UTIL_FORMAT_TYPE_FLOAT:
            switch (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0)) {
+                case 16:
+                    /* XXX Supported only on RV350 and later. */
+                    if (components > 2) {
+                        result = R300_DATA_TYPE_FLT16_4;
+                    } else {
+                        result = R300_DATA_TYPE_FLT16_2;
+                    }
+                    break;
                case 32:
                    result = R300_DATA_TYPE_FLOAT_1 + (components - 1);
                    break;