From 64aa67a360ab09db1691b37b86178e008c4e3711 Mon Sep 17 00:00:00 2001 From: Luca Barbieri Date: Sun, 18 Apr 2010 14:50:14 +0200 Subject: u_blitter: add support for saving vertex buffers Currently r300g does not save vertex buffer on blitter calls. It gets away with it because the current Mesa state tracker usually resets vertex buffers on every draw calls. However, this is wrong. nvfx won't be lucky because it needs to use the blitter inside draw calls. --- src/gallium/auxiliary/util/u_blitter.c | 8 ++++++++ src/gallium/auxiliary/util/u_blitter.h | 16 ++++++++++++++++ 2 files changed, 24 insertions(+) (limited to 'src/gallium') diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index f3b42f7bf9..956aedc8a1 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -132,6 +132,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe) ctx->blitter.saved_fb_state.nr_cbufs = ~0; ctx->blitter.saved_num_sampler_views = ~0; ctx->blitter.saved_num_sampler_states = ~0; + ctx->blitter.saved_num_vertex_buffers = ~0; /* blend state objects */ memset(&blend, 0, sizeof(blend)); @@ -318,6 +319,13 @@ static void blitter_restore_CSOs(struct blitter_context_priv *ctx) ctx->blitter.saved_sampler_views); ctx->blitter.saved_num_sampler_views = ~0; } + + if (ctx->blitter.saved_num_vertex_buffers != ~0) { + pipe->set_vertex_buffers(pipe, + ctx->blitter.saved_num_vertex_buffers, + ctx->blitter.saved_vertex_buffers); + ctx->blitter.saved_num_vertex_buffers = ~0; + } } static void blitter_set_rectangle(struct blitter_context_priv *ctx, diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h index 2ad7201a29..f6e3ce4874 100644 --- a/src/gallium/auxiliary/util/u_blitter.h +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -57,6 +57,9 @@ struct blitter_context int saved_num_sampler_views; struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS]; + + int saved_num_vertex_buffers; + struct pipe_vertex_buffer saved_vertex_buffers[PIPE_MAX_ATTRIBS]; }; /** @@ -255,6 +258,19 @@ util_blitter_save_fragment_sampler_views(struct blitter_context *blitter, num_views * sizeof(struct pipe_sampler_view *)); } +static INLINE void +util_blitter_save_vertex_buffers(struct blitter_context *blitter, + int num_vertex_buffers, + struct pipe_vertex_buffer *vertex_buffers) +{ + assert(num_vertex_buffers <= Elements(blitter->saved_vertex_buffers)); + + blitter->saved_num_vertex_buffers = num_vertex_buffers; + memcpy(blitter->saved_vertex_buffers, + vertex_buffers, + num_vertex_buffers * sizeof(struct pipe_vertex_buffer)); +} + #ifdef __cplusplus } #endif -- cgit v1.2.3