From 2fe521fa419ee153afb6295289dc5e95d3229858 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Mon, 30 Jan 2012 01:23:14 +0100 Subject: r600g: add a new simple API for state emission --- src/gallium/drivers/r600/r600_pipe.h | 42 ++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'src/gallium/drivers/r600/r600_pipe.h') diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h index 0aaec4be9b0..78b6d83fe30 100644 --- a/src/gallium/drivers/r600/r600_pipe.h +++ b/src/gallium/drivers/r600/r600_pipe.h @@ -48,6 +48,25 @@ #define R600_BIG_ENDIAN 0 #endif +enum r600_atom_flags { + /* When set, atoms are added at the beginning of the dirty list + * instead of the end. */ + EMIT_EARLY = (1 << 0) +}; + +/* This encapsulates a state or an operation which can emitted into the GPU + * command stream. It's not limited to states only, it can be used for anything + * that wants to write commands into the CS (e.g. cache flushes). */ +struct r600_atom { + void (*emit)(struct r600_context *ctx, struct r600_atom *state); + + unsigned num_dw; + enum r600_atom_flags flags; + bool dirty; + + struct list_head head; +}; + enum r600_pipe_state_id { R600_PIPE_STATE_BLEND = 0, R600_PIPE_STATE_BLEND_COLOR, @@ -251,6 +270,9 @@ struct r600_context { unsigned default_ps_gprs, default_vs_gprs; + /* States based on r600_state. */ + struct list_head dirty_states; + /* Below are variables from the old r600_context. */ struct radeon_winsys_cs *cs; @@ -290,6 +312,26 @@ struct r600_context { unsigned *vs_so_stride_in_dw; }; +static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom) +{ + atom->emit(rctx, atom); + atom->dirty = false; + if (atom->head.next && atom->head.prev) + LIST_DELINIT(&atom->head); +} + +static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state) +{ + if (!state->dirty) { + if (state->flags & EMIT_EARLY) { + LIST_ADD(&state->head, &rctx->dirty_states); + } else { + LIST_ADDTAIL(&state->head, &rctx->dirty_states); + } + state->dirty = true; + } +} + /* evergreen_state.c */ void evergreen_init_state_functions(struct r600_context *rctx); void evergreen_init_config(struct r600_context *rctx); -- cgit v1.2.3