/* * Copyright 2008 Corbin Simpson * * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR 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. */ #include "draw/draw_context.h" #include "util/u_memory.h" #include "util/u_simple_list.h" #include "util/u_upload_mgr.h" #include "r300_context.h" #include "r300_emit.h" #include "r300_screen.h" #include "r300_screen_buffer.h" #include "r300_state_invariant.h" #include "r300_winsys.h" #include static void r300_destroy_context(struct pipe_context* context) { struct r300_context* r300 = r300_context(context); struct r300_query* query, * temp; struct r300_atom *atom; util_blitter_destroy(r300->blitter); draw_destroy(r300->draw); /* Print stats, if enabled. */ if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) { fprintf(stderr, "r300: Stats for context %p:\n", r300); fprintf(stderr, " : Flushes: %" PRIu64 "\n", r300->flush_counter); foreach(atom, &r300->atom_list) { fprintf(stderr, " : %s: %" PRIu64 " emits\n", atom->name, atom->counter); } } /* Free the OQ BO. */ context->screen->resource_destroy(context->screen, r300->oqbo); /* If there are any queries pending or not destroyed, remove them now. */ foreach_s(query, temp, &r300->query_list) { remove_from_list(query); FREE(query); } u_upload_destroy(r300->upload_vb); u_upload_destroy(r300->upload_ib); translate_cache_destroy(r300->tran.translate_cache); FREE(r300->blend_color_state.state); FREE(r300->clip_state.state); FREE(r300->fb_state.state); FREE(r300->rs_block_state.state); FREE(r300->scissor_state.state); FREE(r300->textures_state.state); FREE(r300->viewport_state.state); FREE(r300->ztop_state.state); FREE(r300->fs_constants.state); FREE(r300->vs_constants.state); if (!r300->screen->caps.has_tcl) { FREE(r300->vertex_stream_state.state); } FREE(r300); } static void r300_flush_cb(void *data) { struct r300_context* const cs_context_copy = data; cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL); } #define R300_INIT_ATOM(atomname, atomsize) \ r300->atomname.name = #atomname; \ r300->atomname.state = NULL; \ r300->atomname.size = atomsize; \ r300->atomname.emit = r300_emit_##atomname; \ r300->atomname.dirty = FALSE; \ insert_at_tail(&r300->atom_list, &r300->atomname); static void r300_setup_atoms(struct r300_context* r300) { boolean is_r500 = r300->screen->caps.is_r500; boolean has_tcl = r300->screen->caps.has_tcl; /* Create the actual atom list. * * Each atom is examined and emitted in the order it appears here, which * can affect performance and conformance if not handled with care. * * Some atoms never change size, others change every emit - those have * the size of 0 here. */ make_empty_list(&r300->atom_list); R300_INIT_ATOM(invariant_state, 71); R300_INIT_ATOM(query_start, 4); R300_INIT_ATOM(ztop_state, 2); R300_INIT_ATOM(blend_state, 8); R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2); R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2); R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6); R300_INIT_ATOM(fb_state, 0); R300_INIT_ATOM(rs_state, 0); R300_INIT_ATOM(scissor_state, 3); R300_INIT_ATOM(viewport_state, 9); R300_INIT_ATOM(rs_block_state, 0); R300_INIT_ATOM(vertex_stream_state, 0); R300_INIT_ATOM(pvs_flush, 2); R300_INIT_ATOM(vs_state, 0); R300_INIT_ATOM(vs_constants, 0); R300_INIT_ATOM(texture_cache_inval, 2); R300_INIT_ATOM(textures_state, 0); R300_INIT_ATOM(fs, 0); R300_INIT_ATOM(fs_rc_constant_state, 0); R300_INIT_ATOM(fs_constants, 0); /* Replace emission functions for r500. */ if (r300->screen->caps.is_r500) { r300->fs.emit = r500_emit_fs; r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state; r300->fs_constants.emit = r500_emit_fs_constants; } /* Some non-CSO atoms need explicit space to store the state locally. */ r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state); r300->clip_state.state = CALLOC_STRUCT(pipe_clip_state); r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state); r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block); r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state); r300->textures_state.state = CALLOC_STRUCT(r300_textures_state); r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state); r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state); r300->fs_constants.state = CALLOC_STRUCT(r300_constant_buffer); r300->vs_constants.state = CALLOC_STRUCT(r300_constant_buffer); if (!r300->screen->caps.has_tcl) { r300->vertex_stream_state.state = CALLOC_STRUCT(r300_vertex_stream_state); } /* Some non-CSO atoms don't use the state pointer. */ r300->invariant_state.allow_null_state = TRUE; r300->fs_rc_constant_state.allow_null_state = TRUE; r300->pvs_flush.allow_null_state = TRUE; r300->query_start.allow_null_state = TRUE; r300->texture_cache_inval.allow_null_state = TRUE; } struct pipe_context* r300_create_context(struct pipe_screen* screen, void *priv) { struct r300_context* r300 = CALLOC_STRUCT(r300_context); struct r300_screen* r300screen = r300_screen(screen); struct r300_winsys_screen *rws = r300screen->rws; if (!r300) return NULL; r300->rws = rws; r300->screen = r300screen; r300->context.winsys = (struct pipe_winsys*)rws; r300->context.screen = screen; r300->context.priv = priv; r300->context.destroy = r300_destroy_context; if (!r300screen->caps.has_tcl) { /* Create a Draw. This is used for SW TCL. */ r300->draw = draw_create(&r300->context); /* Enable our renderer. */ draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300)); /* Enable Draw's clipping. */ draw_set_driver_clipping(r300->draw, FALSE); /* Disable converting points/lines to triangles. */ draw_wide_line_threshold(r300->draw, 10000000.f); draw_wide_point_threshold(r300->draw, 10000000.f); } r300_setup_atoms(r300); /* Open up the OQ BO. */ r300->oqbo = pipe_buffer_create(screen, R300_BIND_OQBO, 4096); make_empty_list(&r300->query_list); r300_init_blit_functions(r300); r300_init_flush_functions(r300); r300_init_query_functions(r300); r300_init_render_functions(r300); r300_init_state_functions(r300); r300_init_resource_functions(r300); r300->invariant_state.dirty = TRUE; rws->set_flush_cb(r300->rws, r300_flush_cb, r300); r300->dirty_hw++; r300->blitter = util_blitter_create(&r300->context); r300->upload_ib = u_upload_create(&r300->context, 32 * 1024, 16, PIPE_BIND_INDEX_BUFFER); if (r300->upload_ib == NULL) goto no_upload_ib; r300->upload_vb = u_upload_create(&r300->context, 128 * 1024, 16, PIPE_BIND_VERTEX_BUFFER); if (r300->upload_vb == NULL) goto no_upload_vb; r300->tran.translate_cache = translate_cache_create(); return &r300->context; no_upload_ib: u_upload_destroy(r300->upload_ib); no_upload_vb: FREE(r300); return NULL; } boolean r300_check_cs(struct r300_context *r300, unsigned size) { return size <= r300->rws->get_cs_free_dwords(r300->rws); } void r300_finish(struct r300_context *r300) { struct pipe_framebuffer_state *fb; unsigned i; /* This is a preliminary implementation of glFinish. * * The ideal implementation should use something like EmitIrqLocked and * WaitIrq, or better, real fences. */ if (r300->fb_state.state) { fb = r300->fb_state.state; for (i = 0; i < fb->nr_cbufs; i++) { if (fb->cbufs[i]->texture) { r300->rws->buffer_wait(r300->rws, r300_texture(fb->cbufs[i]->texture)->buffer); return; } } if (fb->zsbuf && fb->zsbuf->texture) { r300->rws->buffer_wait(r300->rws, r300_texture(fb->zsbuf->texture)->buffer); } } }