cso_context.rar_cso

/************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * 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, 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 TUNGSTEN GRAPHICS 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. * **************************************************************************/ /** * @file * * Wrap the cso cache & hash mechanisms in a simplified * pipe-driver-specific interface. * * @author Zack Rusin <zack@tungstengraphics.com> * @author Keith Whitwell <keith@tungstengraphics.com> */ #include "pipe/p_state.h" #include "util/u_draw.h" #include "util/u_framebuffer.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" #include "util/u_vbuf.h" #include "tgsi/tgsi_parse.h" #include "cso_cache/cso_context.h" #include "cso_cache/cso_cache.h" #include "cso_cache/cso_hash.h" #include "cso_context.h" /** * Info related to samplers and sampler views. * We have one of these for fragment samplers and another for vertex samplers. */ struct sampler_info { struct { void *samplers[PIPE_MAX_SAMPLERS]; unsigned nr_samplers; } hw; void *samplers[PIPE_MAX_SAMPLERS]; unsigned nr_samplers; void *samplers_saved[PIPE_MAX_SAMPLERS]; unsigned nr_samplers_saved; struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS]; unsigned nr_views; struct pipe_sampler_view *views_saved[PIPE_MAX_SAMPLERS]; unsigned nr_views_saved; }; struct cso_context { struct pipe_context *pipe; struct cso_cache *cache; struct u_vbuf *vbuf; boolean has_geometry_shader; boolean has_streamout; struct sampler_info samplers[PIPE_SHADER_TYPES]; uint nr_vertex_buffers; struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; uint nr_vertex_buffers_saved; struct pipe_vertex_buffer vertex_buffers_saved[PIPE_MAX_ATTRIBS]; unsigned nr_so_targets; struct pipe_stream_output_target *so_targets[PIPE_MAX_SO_BUFFERS]; unsigned nr_so_targets_saved; struct pipe_stream_output_target *so_targets_saved[PIPE_MAX_SO_BUFFERS]; /** Current and saved state. * The saved state is used as a 1-deep stack. */ void *blend, *blend_saved; void *depth_stencil, *depth_stencil_saved; void *rasterizer, *rasterizer_saved; void *fragment_shader, *fragment_shader_saved; void *vertex_shader, *vertex_shader_saved; void *geometry_shader, *geometry_shader_saved; void *velements, *velements_saved; struct pipe_clip_state clip; struct pipe_clip_state clip_saved; struct pipe_framebuffer_state fb, fb_saved; struct pipe_viewport_state vp, vp_saved; struct pipe_blend_color blend_color; unsigned sample_mask, sample_mask_saved; struct pipe_stencil_ref stencil_ref, stencil_ref_saved; }; static boolean delete_blend_state(struct cso_context *ctx, void *state) { struct cso_blend *cso = (struct cso_blend *)state; if (ctx->blend == cso->data) return FALSE; if (cso->delete_state) cso->delete_state(cso->context, cso->data); FREE(state); return TRUE; } static boolean delete_depth_stencil_state(struct cso_context *ctx, void *state) { struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state; if (ctx->depth_stencil == cso->data) return FALSE; if (cso->delete_state) cso->delete_state(cso->context, cso->data); FREE(state); return TRUE; } static boolean delete_sampler_state(struct cso_context *ctx, void *state) { struct cso_sampler *cso = (struct cso_sampler *)state; if (cso->delete_state) cso->delete_state(cso->context, cso->data); FREE(state); return TRUE; } static boolean delete_rasterizer_state(struct cso_context *ctx, void *state) { struct cso_rasterizer *cso = (struct cso_rasterizer *)state; if (ctx->rasterizer == cso->data) return FALSE; if (cso->delete_state) cso->delete_state(cso->context, cso->data); FREE(state); return TRUE; } static boolean delete_vertex_elements(struct cso_context *ctx, void *state) { struct cso_velements *cso = (struct cso_velements *)state; if (ctx->velements == cso->data) return FALSE; if (cso->delete_state) cso->delete_state(cso->context, cso->data); FREE(state); return TRUE; } static INLINE boolean delete_cso(struct cso_context *ctx, void *state, enum cso_cache_type type) { switch (type) { case CSO_BLEND: return delete_blend_state(ctx, state); case CSO_SAMPLER: return delete_sampler_state(ctx, state); case CSO_DEPTH_STENCIL_ALPHA: return delete_depth_stencil_state(ctx, state); case CSO_RASTERIZER: return delete_rasterizer_state(ctx, state); case CSO_VELEMENTS: return delete_vertex_elements(ctx, state); default: assert(0); FREE(state); } return FALSE; } static INLINE void sanitize_hash(struct cso_hash *hash, enum cso_cache_type type, int max_size, void *user_data) { struct cso_context *ctx = (struct cso_context *)user_data; /* if we're approach the maximum size, remove fourth of the entries * otherwise every subsequent call will go through the same */ int hash_size = cso_hash_size(hash); int max_entries = (max_size > hash_size) ? max_size : hash_size; int to_remove = (max_size < max_entries) * max_entries/4; struct cso_hash_iter iter = cso_hash_first_node(hash); if (hash_size > max_size) to_remove += hash_size - max_size; while (to_remove) { /*remove elements until we're good */ /*fixme: currently we pick the nodes to remove at random*/ void *cso = cso_hash_iter_data(iter); if (delete_cso(ctx, cso, type)) { iter = cso_hash_erase(hash, iter); --to_remove; } else iter = cso_hash_iter_next(iter); } } static void cso_init_vbuf(struct cso_context *cso) { struct u_vbuf_caps caps; u_vbuf_get_caps(cso->pipe->screen, &caps); /* Install u_vbuf if there is anything unsupported. */ if (!caps.buffer_offset_unaligned || !caps.buffer_stride_unaligned || !caps.velem_src_offset_unaligned || !caps.format_fixed32 || !caps.format_float16 || !caps.format_float64 || !caps.format_norm32 || !caps.format_scaled32 || !caps.user_vertex_buffers) { cso->vbuf = u_vbuf_create(cso->pipe, &caps); } } struct cso_context *cso_create_context( struct pipe_context *pipe ) { struct cso_context *ctx = CALLOC_STRUCT(cso_context); if (ctx == NULL) goto out; ctx->cache = cso_cache_create(); if (ctx->cache == NULL) goto out; cso_cache_set_sanitize_callback(ctx->cache, sanitize_hash, ctx); ctx->pipe = pipe; ctx->sample_mask_saved = ~0; cso_init_vbuf(ctx); /* Enable for testing: */ if (0) cso_set_maximum_cache_si