Mesa (master): gallium/u_blitter: disable tessellation for all operations
Marek Olšák
mareko at kemper.freedesktop.org
Sat May 16 13:17:59 UTC 2015
Module: Mesa
Branch: master
Commit: 267ad27ab64956dff857b8584c4862da2e7dfc78
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=267ad27ab64956dff857b8584c4862da2e7dfc78
Author: Marek Olšák <marek.olsak at amd.com>
Date: Tue Sep 23 18:40:27 2014 +0200
gallium/u_blitter: disable tessellation for all operations
Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Signed-off-by: Marek Olšák <marek.olsak at amd.com>
---
src/gallium/auxiliary/util/u_blitter.c | 27 +++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_blitter.h | 16 +++++++++++++++-
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 24a5b93..16bf90f 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -130,6 +130,7 @@ struct blitter_context_priv
unsigned dst_height;
boolean has_geometry_shader;
+ boolean has_tessellation;
boolean has_layered;
boolean has_stream_out;
boolean has_stencil_export;
@@ -183,6 +184,11 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
ctx->has_geometry_shader =
pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
+
+ ctx->has_tessellation =
+ pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL,
+ PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
+
ctx->has_stream_out =
pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0;
@@ -510,6 +516,8 @@ static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx)
assert(ctx->base.saved_velem_state != INVALID_PTR);
assert(ctx->base.saved_vs != INVALID_PTR);
assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR);
+ assert(!ctx->has_tessellation || ctx->base.saved_tcs != INVALID_PTR);
+ assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR);
assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0);
assert(ctx->base.saved_rs_state != INVALID_PTR);
}
@@ -538,6 +546,13 @@ static void blitter_restore_vertex_states(struct blitter_context_priv *ctx)
ctx->base.saved_gs = INVALID_PTR;
}
+ if (ctx->has_tessellation) {
+ pipe->bind_tcs_state(pipe, ctx->base.saved_tcs);
+ pipe->bind_tes_state(pipe, ctx->base.saved_tes);
+ ctx->base.saved_tcs = INVALID_PTR;
+ ctx->base.saved_tes = INVALID_PTR;
+ }
+
/* Stream outputs. */
if (ctx->has_stream_out) {
unsigned offsets[PIPE_MAX_SO_BUFFERS];
@@ -1108,6 +1123,10 @@ static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx,
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
+ if (ctx->has_tessellation) {
+ pipe->bind_tcs_state(pipe, NULL);
+ pipe->bind_tes_state(pipe, NULL);
+ }
if (ctx->has_stream_out)
pipe->set_stream_output_targets(pipe, 0, NULL, NULL);
}
@@ -1967,6 +1986,10 @@ void util_blitter_copy_buffer(struct blitter_context *blitter,
bind_vs_pos_only(ctx);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
+ if (ctx->has_tessellation) {
+ pipe->bind_tcs_state(pipe, NULL);
+ pipe->bind_tes_state(pipe, NULL);
+ }
pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
so_target = pipe->create_stream_output_target(pipe, dst, dstx, size);
@@ -2027,6 +2050,10 @@ void util_blitter_clear_buffer(struct blitter_context *blitter,
bind_vs_pos_only(ctx);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
+ if (ctx->has_tessellation) {
+ pipe->bind_tcs_state(pipe, NULL);
+ pipe->bind_tes_state(pipe, NULL);
+ }
pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
so_target = pipe->create_stream_output_target(pipe, dst, offset, size);
diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h
index 1568030..93b0e51 100644
--- a/src/gallium/auxiliary/util/u_blitter.h
+++ b/src/gallium/auxiliary/util/u_blitter.h
@@ -102,7 +102,7 @@ struct blitter_context
void *saved_dsa_state; /**< depth stencil alpha state */
void *saved_velem_state; /**< vertex elements state */
void *saved_rs_state; /**< rasterizer state */
- void *saved_fs, *saved_vs, *saved_gs; /**< shaders */
+ void *saved_fs, *saved_vs, *saved_gs, *saved_tcs, *saved_tes; /**< shaders */
struct pipe_framebuffer_state saved_fb_state; /**< framebuffer state */
struct pipe_stencil_ref saved_stencil_ref; /**< stencil ref */
@@ -427,6 +427,20 @@ void util_blitter_save_geometry_shader(struct blitter_context *blitter,
blitter->saved_gs = gs;
}
+static INLINE void
+util_blitter_save_tessctrl_shader(struct blitter_context *blitter,
+ void *sh)
+{
+ blitter->saved_tcs = sh;
+}
+
+static INLINE void
+util_blitter_save_tesseval_shader(struct blitter_context *blitter,
+ void *sh)
+{
+ blitter->saved_tes = sh;
+}
+
static INLINE
void util_blitter_save_framebuffer(struct blitter_context *blitter,
const struct pipe_framebuffer_state *state)
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