--- /dev/null
+/**********************************************************
+ * Copyright 2018-2020 VMware, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ **********************************************************/
+
+#include "pipe/p_context.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_parse.h"
+
+#include "svga_context.h"
+#include "svga_shader.h"
+
+static void
+svga_set_tess_state(struct pipe_context *pipe,
+ const float default_outer_level[4],
+ const float default_inner_level[2])
+{
+ struct svga_context *svga = svga_context(pipe);
+ unsigned i;
+
+ for (i = 0; i < 4; i++) {
+ svga->curr.default_tesslevels[i] = default_outer_level[i];
+ }
+ for (i = 0; i < 2; i++) {
+ svga->curr.default_tesslevels[i + 4] = default_inner_level[i];
+ }
+}
+
+
+static void *
+svga_create_tcs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_tcs_shader *tcs;
+
+ tcs = CALLOC_STRUCT(svga_tcs_shader);
+ if (!tcs)
+ return NULL;
+
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CREATETCS);
+
+ tcs->base.tokens = tgsi_dup_tokens(templ->tokens);
+
+ /* Collect basic info that we'll need later:
+ */
+ tgsi_scan_shader(tcs->base.tokens, &tcs->base.info);
+
+ tcs->base.id = svga->debug.shader_id++;
+
+ tcs->generic_outputs = svga_get_generic_outputs_mask(&tcs->base.info);
+
+ SVGA_STATS_TIME_POP(svga_sws(svga));
+ return tcs;
+}
+
+
+static void
+svga_bind_tcs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_tcs_shader *tcs = (struct svga_tcs_shader *) shader;
+ struct svga_context *svga = svga_context(pipe);
+
+ if (tcs == svga->curr.tcs)
+ return;
+
+ svga->curr.tcs = tcs;
+ svga->dirty |= SVGA_NEW_TCS;
+}
+
+
+static void
+svga_delete_tcs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_tcs_shader *tcs = (struct svga_tcs_shader *) shader;
+ struct svga_tcs_shader *next_tcs;
+ struct svga_shader_variant *variant, *tmp;
+
+ svga_hwtnl_flush_retry(svga);
+
+ assert(tcs->base.parent == NULL);
+
+ while (tcs) {
+ next_tcs = (struct svga_tcs_shader *)tcs->base.next;
+ for (variant = tcs->base.variants; variant; variant = tmp) {
+ tmp = variant->next;
+
+ /* Check if deleting currently bound shader */
+ if (variant == svga->state.hw_draw.tcs) {
+ SVGA_RETRY(svga, svga_set_shader(svga, SVGA3D_SHADERTYPE_HS, NULL));
+ svga->state.hw_draw.tcs = NULL;
+ }
+
+ svga_destroy_shader_variant(svga, variant);
+ }
+
+ FREE((void *)tcs->base.tokens);
+ FREE(tcs);
+ tcs = next_tcs;
+ }
+}
+
+
+void
+svga_cleanup_tcs_state(struct svga_context *svga)
+{
+ if (svga->tcs.passthrough_tcs) {
+ svga_delete_tcs_state(&svga->pipe, svga->tcs.passthrough_tcs);
+ }
+}
+
+
+static void *
+svga_create_tes_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_tes_shader *tes;
+
+ tes = CALLOC_STRUCT(svga_tes_shader);
+ if (!tes)
+ return NULL;
+
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CREATETES);
+
+ tes->base.tokens = tgsi_dup_tokens(templ->tokens);
+
+ /* Collect basic info that we'll need later:
+ */
+ tgsi_scan_shader(tes->base.tokens, &tes->base.info);
+
+ tes->base.id = svga->debug.shader_id++;
+
+ tes->generic_inputs = svga_get_generic_inputs_mask(&tes->base.info);
+
+ SVGA_STATS_TIME_POP(svga_sws(svga));
+ return tes;
+}
+
+
+static void
+svga_bind_tes_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_tes_shader *tes = (struct svga_tes_shader *) shader;
+ struct svga_context *svga = svga_context(pipe);
+
+ if (tes == svga->curr.tes)
+ return;
+
+ svga->curr.tes = tes;
+ svga->dirty |= SVGA_NEW_TES;
+}
+
+
+static void
+svga_delete_tes_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_tes_shader *tes = (struct svga_tes_shader *) shader;
+ struct svga_tes_shader *next_tes;
+ struct svga_shader_variant *variant, *tmp;
+
+ svga_hwtnl_flush_retry(svga);
+
+ assert(tes->base.parent == NULL);
+
+ while (tes) {
+ next_tes = (struct svga_tes_shader *)tes->base.next;
+ for (variant = tes->base.variants; variant; variant = tmp) {
+ tmp = variant->next;
+
+ /* Check if deleting currently bound shader */
+ if (variant == svga->state.hw_draw.tes) {
+ SVGA_RETRY(svga, svga_set_shader(svga, SVGA3D_SHADERTYPE_DS, NULL));
+ svga->state.hw_draw.tes = NULL;
+ }
+
+ svga_destroy_shader_variant(svga, variant);
+ }
+
+ FREE((void *)tes->base.tokens);
+ FREE(tes);
+ tes = next_tes;
+ }
+}
+
+
+void
+svga_init_ts_functions(struct svga_context *svga)
+{
+ svga->pipe.set_tess_state = svga_set_tess_state;
+ svga->pipe.create_tcs_state = svga_create_tcs_state;
+ svga->pipe.bind_tcs_state = svga_bind_tcs_state;
+ svga->pipe.delete_tcs_state = svga_delete_tcs_state;
+ svga->pipe.create_tes_state = svga_create_tes_state;
+ svga->pipe.bind_tes_state = svga_bind_tes_state;
+ svga->pipe.delete_tes_state = svga_delete_tes_state;
+}