+void r600_polygon_offset_update(struct r600_pipe_context *rctx)
+{
+ struct r600_pipe_state state;
+
+ state.id = R600_PIPE_STATE_POLYGON_OFFSET;
+ state.nregs = 0;
+ if (rctx->rasterizer && rctx->framebuffer.zsbuf) {
+ float offset_units = rctx->rasterizer->offset_units;
+ unsigned offset_db_fmt_cntl = 0, depth;
+
+ switch (rctx->framebuffer.zsbuf->texture->format) {
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ depth = -24;
+ offset_units *= 2.0f;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ depth = -23;
+ offset_units *= 1.0f;
+ offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ depth = -16;
+ offset_units *= 4.0f;
+ break;
+ default:
+ return;
+ }
+ /* FIXME some of those reg can be computed with cso */
+ offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS(depth);
+ r600_pipe_state_add_reg(&state,
+ R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE,
+ fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E04_PA_SU_POLY_OFFSET_FRONT_OFFSET,
+ fui(offset_units), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E08_PA_SU_POLY_OFFSET_BACK_SCALE,
+ fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E0C_PA_SU_POLY_OFFSET_BACK_OFFSET,
+ fui(offset_units), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
+ offset_db_fmt_cntl, 0xFFFFFFFF, NULL);
+ r600_context_pipe_state_set(&rctx->ctx, &state);
+ }
+}
+
+/* FIXME optimize away spi update when it's not needed */
+static void r600_spi_update(struct r600_pipe_context *rctx)
+{
+ struct r600_pipe_shader *shader = rctx->ps_shader;
+ struct r600_pipe_state rstate;
+ struct r600_shader *rshader = &shader->shader;
+ unsigned i, tmp;
+
+ rstate.nregs = 0;
+ for (i = 0; i < rshader->ninput; i++) {
+ tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i));
+ if (rshader->input[i].centroid)
+ tmp |= S_028644_SEL_CENTROID(1);
+ if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
+ tmp |= S_028644_SEL_LINEAR(1);
+
+ if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
+ rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
+ rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
+ tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
+ }
+ if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
+ rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
+ tmp |= S_028644_PT_SPRITE_TEX(1);
+ }
+ r600_pipe_state_add_reg(&rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL);
+ }
+ r600_context_pipe_state_set(&rctx->ctx, &rstate);
+}
+
+void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
+{
+ struct r600_pipe_state *rstate;
+ struct r600_resource *rbuffer;
+ struct pipe_vertex_buffer *vertex_buffer;
+ unsigned i, offset;
+
+ /* we don't update until we know vertex elements */
+ if (rctx->vertex_elements == NULL || !rctx->nvertex_buffer)
+ return;
+
+ if (rctx->vertex_elements->incompatible_layout) {
+ /* translate rebind new vertex elements so
+ * return once translated
+ */
+ r600_begin_vertex_translate(rctx);
+ return;
+ }
+
+ if (rctx->any_user_vbs) {
+ r600_upload_user_buffers(rctx);
+ rctx->any_user_vbs = FALSE;
+ }
+
+ if (rctx->vertex_elements->vbuffer_need_offset) {
+ /* one resource per vertex elements */
+ rctx->nvs_resource = rctx->vertex_elements->count;
+ } else {
+ /* bind vertex buffer once */
+ rctx->nvs_resource = rctx->nvertex_buffer;
+ }
+
+ for (i = 0 ; i < rctx->nvs_resource; i++) {
+ rstate = &rctx->vs_resource[i];
+ rstate->id = R600_PIPE_STATE_RESOURCE;
+ rstate->nregs = 0;
+
+ if (rctx->vertex_elements->vbuffer_need_offset) {
+ /* one resource per vertex elements */
+ unsigned vbuffer_index;
+ vbuffer_index = rctx->vertex_elements->elements[i].vertex_buffer_index;
+ vertex_buffer = &rctx->vertex_buffer[vbuffer_index];
+ rbuffer = (struct r600_resource*)vertex_buffer->buffer;
+ offset = rctx->vertex_elements->vbuffer_offset[i];
+ } else {
+ /* bind vertex buffer once */
+ vertex_buffer = &rctx->vertex_buffer[i];
+ rbuffer = (struct r600_resource*)vertex_buffer->buffer;
+ offset = 0;
+ }
+ if (vertex_buffer == NULL || rbuffer == NULL)
+ continue;
+ offset += vertex_buffer->buffer_offset + r600_bo_offset(rbuffer->bo);
+
+ r600_pipe_state_add_reg(rstate, R_038000_RESOURCE0_WORD0,
+ offset, 0xFFFFFFFF, rbuffer->bo);
+ r600_pipe_state_add_reg(rstate, R_038004_RESOURCE0_WORD1,
+ rbuffer->bo_size - offset - 1, 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(rstate, R_038008_RESOURCE0_WORD2,
+ S_038008_STRIDE(vertex_buffer->stride),
+ 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(rstate, R_03800C_RESOURCE0_WORD3,
+ 0x00000000, 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(rstate, R_038010_RESOURCE0_WORD4,
+ 0x00000000, 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(rstate, R_038014_RESOURCE0_WORD5,
+ 0x00000000, 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(rstate, R_038018_RESOURCE0_WORD6,
+ 0xC0000000, 0xFFFFFFFF, NULL);
+ r600_context_pipe_state_set_fs_resource(&rctx->ctx, rstate, i);
+ }
+}
+