From 267ad27ab64956dff857b8584c4862da2e7dfc78 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 23 Sep 2014 18:40:27 +0200 Subject: [PATCH] gallium/u_blitter: disable tessellation for all operations MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Roland Scheidegger Signed-off-by: Marek Olšák --- 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) -- 2.7.4