Module: Mesa
Branch: master
Commit: 7ce20cf59a1171c4fa2e17a6c0c2f7e24b1150d2
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=7ce20cf59a1171c4fa2e17a6c0c2f7e24b1150d2
Author: Brian Paul <bri...@vmware.com>
Date: Fri Aug 7 15:21:29 2015 -0600
svga: add new svga_pipe_gs.c file
Signed-off-by: Brian Paul <bri...@vmware.com>
---
src/gallium/drivers/svga/svga_pipe_gs.c | 142 +++++++++++++++++++++++++++++++
1 file changed, 142 insertions(+)
diff --git a/src/gallium/drivers/svga/svga_pipe_gs.c
b/src/gallium/drivers/svga/svga_pipe_gs.c
new file mode 100644
index 0000000..752c8c7
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_pipe_gs.c
@@ -0,0 +1,142 @@
+/**********************************************************
+ * Copyright 2014 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 "draw/draw_context.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_bitmask.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_text.h"
+
+#include "svga_context.h"
+#include "svga_cmd.h"
+#include "svga_debug.h"
+#include "svga_shader.h"
+#include "svga_streamout.h"
+
+static void *
+svga_create_gs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_geometry_shader *gs = CALLOC_STRUCT(svga_geometry_shader);
+
+ if (!gs)
+ return NULL;
+
+ gs->base.tokens = tgsi_dup_tokens(templ->tokens);
+
+ /* Collect basic info that we'll need later:
+ */
+ tgsi_scan_shader(gs->base.tokens, &gs->base.info);
+
+ gs->draw_shader = draw_create_geometry_shader(svga->swtnl.draw, templ);
+
+ gs->base.id = svga->debug.shader_id++;
+
+ gs->generic_outputs = svga_get_generic_outputs_mask(&gs->base.info);
+
+ /* check for any stream output declarations */
+ if (templ->stream_output.num_outputs) {
+ gs->base.stream_output = svga_create_stream_output(svga, &gs->base,
+
&templ->stream_output);
+ }
+
+ return gs;
+}
+
+
+static void
+svga_bind_gs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader;
+ struct svga_context *svga = svga_context(pipe);
+
+ svga->curr.user_gs = gs;
+ svga->dirty |= SVGA_NEW_GS;
+}
+
+
+static void
+svga_delete_gs_state(struct pipe_context *pipe, void *shader)
+{
+ struct svga_context *svga = svga_context(pipe);
+ struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader;
+ struct svga_geometry_shader *next_gs;
+ struct svga_shader_variant *variant, *tmp;
+ enum pipe_error ret;
+
+ svga_hwtnl_flush_retry(svga);
+
+ /* Start deletion from the original geometry shader state */
+ if (gs->base.parent != NULL)
+ gs = (struct svga_geometry_shader *)gs->base.parent;
+
+ /* Free the list of geometry shaders */
+ while (gs) {
+ next_gs = (struct svga_geometry_shader *)gs->base.next;
+
+ if (gs->base.stream_output != NULL)
+ svga_delete_stream_output(svga, gs->base.stream_output);
+
+ draw_delete_geometry_shader(svga->swtnl.draw, gs->draw_shader);
+
+ for (variant = gs->base.variants; variant; variant = tmp) {
+ tmp = variant->next;
+
+ /* Check if deleting currently bound shader */
+ if (variant == svga->state.hw_draw.gs) {
+ ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL);
+ if (ret != PIPE_OK) {
+ svga_context_flush(svga, NULL);
+ ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL);
+ assert(ret == PIPE_OK);
+ }
+ svga->state.hw_draw.gs = NULL;
+ }
+
+ ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS,
variant);
+ if (ret != PIPE_OK) {
+ svga_context_flush(svga, NULL);
+ ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS,
+ variant);
+ assert(ret == PIPE_OK);
+ }
+ }
+
+ FREE((void *)gs->base.tokens);
+ FREE(gs);
+ gs = next_gs;
+ }
+}
+
+
+void
+svga_init_gs_functions(struct svga_context *svga)
+{
+ svga->pipe.create_gs_state = svga_create_gs_state;
+ svga->pipe.bind_gs_state = svga_bind_gs_state;
+ svga->pipe.delete_gs_state = svga_delete_gs_state;
+}
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