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-rw-r--r--src/gallium/auxiliary/draw/draw_context.c9
-rw-r--r--src/gallium/auxiliary/draw/draw_context.h7
-rw-r--r--src/gallium/auxiliary/draw/draw_private.h1
-rw-r--r--src/gallium/auxiliary/draw/draw_vs.c13
-rw-r--r--src/gallium/drivers/llvmpipe/lp_draw_arrays.c15
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_gs.c21
6 files changed, 43 insertions, 23 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index bb56f1b..2fb9bac 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -735,15 +735,6 @@ draw_set_mapped_so_targets(struct draw_context *draw,
}
void
-draw_set_so_state(struct draw_context *draw,
- struct pipe_stream_output_info *state)
-{
- memcpy(&draw->so.state,
- state,
- sizeof(struct pipe_stream_output_info));
-}
-
-void
draw_set_sampler_views(struct draw_context *draw,
unsigned shader_stage,
struct pipe_sampler_view **views,
diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h
index 426fd44..1d25b7f 100644
--- a/src/gallium/auxiliary/draw/draw_context.h
+++ b/src/gallium/auxiliary/draw/draw_context.h
@@ -171,6 +171,9 @@ void draw_bind_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs);
void draw_delete_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs);
+void draw_vs_attach_so(struct draw_vertex_shader *dvs,
+ const struct pipe_stream_output_info *info);
+void draw_vs_reset_so(struct draw_vertex_shader *dvs);
/*
@@ -226,10 +229,6 @@ draw_set_mapped_so_targets(struct draw_context *draw,
int num_targets,
struct draw_so_target *targets[PIPE_MAX_SO_BUFFERS]);
-void
-draw_set_so_state(struct draw_context *draw,
- struct pipe_stream_output_info *state);
-
/***********************************************************************
* draw_pt.c
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 5063c3c..757ed26 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -279,7 +279,6 @@ struct draw_context
/** Stream output (vertex feedback) state */
struct {
- struct pipe_stream_output_info state;
struct draw_so_target *targets[PIPE_MAX_SO_BUFFERS];
uint num_targets;
} so;
diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
index 266cca7..afec376 100644
--- a/src/gallium/auxiliary/draw/draw_vs.c
+++ b/src/gallium/auxiliary/draw/draw_vs.c
@@ -245,3 +245,16 @@ draw_vs_get_emit( struct draw_context *draw,
return draw->vs.emit;
}
+
+void
+draw_vs_attach_so(struct draw_vertex_shader *dvs,
+ const struct pipe_stream_output_info *info)
+{
+ dvs->state.stream_output = *info;
+}
+
+void
+draw_vs_reset_so(struct draw_vertex_shader *dvs)
+{
+ memset(&dvs->state.stream_output, 0, sizeof(dvs->state.stream_output));
+}
diff --git a/src/gallium/drivers/llvmpipe/lp_draw_arrays.c b/src/gallium/drivers/llvmpipe/lp_draw_arrays.c
index ae00c49..efeca25 100644
--- a/src/gallium/drivers/llvmpipe/lp_draw_arrays.c
+++ b/src/gallium/drivers/llvmpipe/lp_draw_arrays.c
@@ -101,6 +101,13 @@ llvmpipe_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
llvmpipe_prepare_geometry_sampling(lp,
lp->num_sampler_views[PIPE_SHADER_GEOMETRY],
lp->sampler_views[PIPE_SHADER_GEOMETRY]);
+ if (lp->gs && !lp->gs->shader.tokens) {
+ /* we have an empty geometry shader with stream output, so
+ attach the stream output info to the current vertex shader */
+ if (lp->vs) {
+ draw_vs_attach_so(lp->vs->draw_data, &lp->gs->shader.stream_output);
+ }
+ }
/* draw! */
draw_vbo(draw, info);
@@ -116,6 +123,14 @@ llvmpipe_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
}
draw_set_mapped_so_targets(draw, 0, NULL);
+ if (lp->gs && !lp->gs->shader.tokens) {
+ /* we have attached stream output to the vs for rendering,
+ now lets reset it */
+ if (lp->vs) {
+ draw_vs_reset_so(lp->vs->draw_data);
+ }
+ }
+
llvmpipe_cleanup_vertex_sampling(lp);
llvmpipe_cleanup_geometry_sampling(lp);
diff --git a/src/gallium/drivers/llvmpipe/lp_state_gs.c b/src/gallium/drivers/llvmpipe/lp_state_gs.c
index fd6f5f7..b18795c 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_gs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_gs.c
@@ -53,15 +53,18 @@ llvmpipe_create_gs_state(struct pipe_context *pipe,
if (0)
tgsi_dump(templ->tokens, 0);
- /* copy shader tokens, the ones passed in will go away.
- */
- state->shader.tokens = tgsi_dup_tokens(templ->tokens);
- if (state->shader.tokens == NULL)
- goto fail;
-
- state->draw_data = draw_create_geometry_shader(llvmpipe->draw, templ);
- if (state->draw_data == NULL)
- goto fail;
+ /* copy stream output info */
+ state->shader = *templ;
+ if (templ->tokens) {
+ /* copy shader tokens, the ones passed in will go away. */
+ state->shader.tokens = tgsi_dup_tokens(templ->tokens);
+ if (state->shader.tokens == NULL)
+ goto fail;
+
+ state->draw_data = draw_create_geometry_shader(llvmpipe->draw, templ);
+ if (state->draw_data == NULL)
+ goto fail;
+ }
return state;