- default:
- assert(0);
- }
- }
-}
-
-static void r300_shader_vap_output_fmt(struct r300_vertex_shader* vs)
-{
- struct r300_shader_semantics* vs_outputs = &vs->outputs;
- uint32_t* hwfmt = vs->hwfmt;
- int i, gen_count;
- boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
- vs_outputs->bcolor[1] != ATTR_UNUSED;
-
- /* Do the actual vertex_info setup.
- *
- * vertex_info has four uints of hardware-specific data in it.
- * vinfo.hwfmt[0] is R300_VAP_VTX_STATE_CNTL
- * vinfo.hwfmt[1] is R300_VAP_VSM_VTX_ASSM
- * vinfo.hwfmt[2] is R300_VAP_OUTPUT_VTX_FMT_0
- * vinfo.hwfmt[3] is R300_VAP_OUTPUT_VTX_FMT_1 */
-
- hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */
-
- /* Position. */
- if (vs_outputs->pos != ATTR_UNUSED) {
- hwfmt[1] |= R300_INPUT_CNTL_POS;
- hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
- } else {
- assert(0);
- }
-
- /* Point size. */
- if (vs_outputs->psize != ATTR_UNUSED) {
- hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
- }
-
- /* Colors. */
- for (i = 0; i < ATTR_COLOR_COUNT; i++) {
- if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used) {
- hwfmt[1] |= R300_INPUT_CNTL_COLOR;
- hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i;
- }
- }
-
- /* Back-face colors. */
- if (any_bcolor_used) {
- for (i = 0; i < ATTR_COLOR_COUNT; i++) {
- hwfmt[1] |= R300_INPUT_CNTL_COLOR;
- hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i);
- }
- }
-
- /* Texture coordinates. */
- gen_count = 0;
- for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
- if (vs_outputs->generic[i] != ATTR_UNUSED) {
- hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count);
- hwfmt[3] |= (4 << (3 * gen_count));
- gen_count++;
- }
- }
-
- /* Fog coordinates. */
- if (vs_outputs->fog != ATTR_UNUSED) {
- hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count);
- hwfmt[3] |= (4 << (3 * gen_count));
- gen_count++;
- }
-
- /* XXX magic */
- assert(gen_count <= 8);
-
- /* WPOS. */
- vs->wpos_tex_output = gen_count;
-}
-
-/* Sets up stream mapping to equivalent VS outputs if TCL is bypassed
- * or isn't present. */
-static void r300_stream_locations_notcl(
- struct r300_shader_semantics* vs_outputs,
- int* stream_loc)
-{
- int i, tabi = 0, gen_count;
- boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
- vs_outputs->bcolor[1] != ATTR_UNUSED;
-
- /* Position. */
- stream_loc[tabi++] = 0;
-
- /* Point size. */
- if (vs_outputs->psize != ATTR_UNUSED) {
- stream_loc[tabi++] = 1;
- }
-
- /* Colors. */
- for (i = 0; i < ATTR_COLOR_COUNT; i++) {
- if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used) {
- stream_loc[tabi++] = 2 + i;
- }
- }