diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_state_upload.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_state_upload.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_state_upload.c b/src/gallium/drivers/i965/brw_state_upload.c new file mode 100644 index 00000000000..f8b91eff816 --- /dev/null +++ b/src/gallium/drivers/i965/brw_state_upload.c @@ -0,0 +1,270 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice (including the + next paragraph) shall be included in all copies or substantial + portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + **********************************************************************/ + /* + * Authors: + * Keith Whitwell <[email protected]> + */ + + + +#include "brw_context.h" +#include "brw_state.h" +#include "brw_batchbuffer.h" +#include "brw_debug.h" + +const struct brw_tracked_state *atoms[] = +{ +/* &brw_wm_input_sizes, */ + &brw_vs_prog, + &brw_gs_prog, + &brw_clip_prog, + &brw_sf_prog, + &brw_wm_prog, + + /* Once all the programs are done, we know how large urb entry + * sizes need to be and can decide if we need to change the urb + * layout. + */ + &brw_curbe_offsets, + &brw_recalculate_urb_fence, + + &brw_cc_vp, + &brw_cc_unit, + + &brw_vs_surfaces, /* must do before unit */ + /*&brw_wm_constant_surface,*/ /* must do before wm surfaces/bind bo */ + &brw_wm_surfaces, /* must do before samplers and unit */ + &brw_wm_samplers, + + &brw_wm_unit, + &brw_sf_vp, + &brw_sf_unit, + &brw_vs_unit, /* always required, enabled or not */ + &brw_clip_unit, + &brw_gs_unit, + + /* Command packets: + */ + &brw_invarient_state, + &brw_state_base_address, + + &brw_binding_table_pointers, + &brw_blend_constant_color, + + &brw_depthbuffer, + &brw_polygon_stipple, + &brw_line_stipple, + + &brw_psp_urb_cbs, + + &brw_drawing_rect, + &brw_indices, + &brw_index_buffer, + &brw_vertices, + + &brw_curbe_buffer +}; + + +void brw_init_state( struct brw_context *brw ) +{ + brw_init_caches(brw); +} + + +void brw_destroy_state( struct brw_context *brw ) +{ + brw_destroy_caches(brw); + brw_destroy_batch_cache(brw); +} + +/*********************************************************************** + */ + +static GLboolean check_state( const struct brw_state_flags *a, + const struct brw_state_flags *b ) +{ + return ((a->mesa & b->mesa) || + (a->brw & b->brw) || + (a->cache & b->cache)); +} + +static void accumulate_state( struct brw_state_flags *a, + const struct brw_state_flags *b ) +{ + a->mesa |= b->mesa; + a->brw |= b->brw; + a->cache |= b->cache; +} + + +static void xor_states( struct brw_state_flags *result, + const struct brw_state_flags *a, + const struct brw_state_flags *b ) +{ + result->mesa = a->mesa ^ b->mesa; + result->brw = a->brw ^ b->brw; + result->cache = a->cache ^ b->cache; +} + +static void +brw_clear_validated_bos(struct brw_context *brw) +{ + int i; + + /* Clear the last round of validated bos */ + for (i = 0; i < brw->state.validated_bo_count; i++) { + bo_reference(&brw->state.validated_bos[i], NULL); + } + brw->state.validated_bo_count = 0; +} + + +/*********************************************************************** + * Emit all state: + */ +enum pipe_error brw_validate_state( struct brw_context *brw ) +{ + struct brw_state_flags *state = &brw->state.dirty; + GLuint i; + int ret; + + brw_clear_validated_bos(brw); + brw_add_validated_bo(brw, brw->batch->buf); + + if (brw->flags.always_emit_state) { + state->mesa |= ~0; + state->brw |= ~0; + state->cache |= ~0; + } + + if (state->mesa == 0 && + state->cache == 0 && + state->brw == 0) + return 0; + + if (brw->state.dirty.brw & BRW_NEW_CONTEXT) + brw_clear_batch_cache(brw); + + /* do prepare stage for all atoms */ + for (i = 0; i < Elements(atoms); i++) { + const struct brw_tracked_state *atom = atoms[i]; + + if (check_state(state, &atom->dirty)) { + if (atom->prepare) { + ret = atom->prepare(brw); + if (ret) + return ret; + } + } + } + + /* Make sure that the textures which are referenced by the current + * brw fragment program are actually present/valid. + * If this fails, we can experience GPU lock-ups. + */ + { + const struct brw_fragment_shader *fp = brw->curr.fragment_shader; + if (fp) { + assert(fp->info.file_max[TGSI_FILE_SAMPLER] < (int)brw->curr.num_samplers); + /*assert(fp->info.texture_max <= brw->curr.num_textures);*/ + } + } + + return 0; +} + + +enum pipe_error brw_upload_state(struct brw_context *brw) +{ + struct brw_state_flags *state = &brw->state.dirty; + int ret; + int i; + + brw_clear_validated_bos(brw); + + if (BRW_DEBUG) { + /* Debug version which enforces various sanity checks on the + * state flags which are generated and checked to help ensure + * state atoms are ordered correctly in the list. + */ + struct brw_state_flags examined, prev; + memset(&examined, 0, sizeof(examined)); + prev = *state; + + for (i = 0; i < Elements(atoms); i++) { + const struct brw_tracked_state *atom = atoms[i]; + struct brw_state_flags generated; + + assert(atom->dirty.mesa || + atom->dirty.brw || + atom->dirty.cache); + + if (check_state(state, &atom->dirty)) { + if (atom->emit) { + ret = atom->emit( brw ); + if (ret) + return ret; + } + } + + accumulate_state(&examined, &atom->dirty); + + /* generated = (prev ^ state) + * if (examined & generated) + * fail; + */ + xor_states(&generated, &prev, state); + assert(!check_state(&examined, &generated)); + prev = *state; + } + } + else { + for (i = 0; i < Elements(atoms); i++) { + const struct brw_tracked_state *atom = atoms[i]; + + if (check_state(state, &atom->dirty)) { + if (atom->emit) { + ret = atom->emit( brw ); + if (ret) + return ret; + } + } + } + } + + if (BRW_DEBUG & DEBUG_STATE) { + brw_update_dirty_counts( state->mesa, + state->brw, + state->cache ); + } + + /* Clear dirty flags: + */ + memset(state, 0, sizeof(*state)); + return 0; +} |