/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ /* * Copyright (C) 2012 Rob Clark * * 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 AUTHORS OR COPYRIGHT HOLDERS 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: * Rob Clark */ #include "pipe/p_state.h" #include "util/u_string.h" #include "util/u_memory.h" #include "util/u_inlines.h" #include "freedreno_texture.h" #include "freedreno_context.h" #include "freedreno_util.h" static void fd_sampler_state_delete(struct pipe_context *pctx, void *hwcso) { FREE(hwcso); } static void fd_sampler_view_destroy(struct pipe_context *pctx, struct pipe_sampler_view *view) { pipe_resource_reference(&view->texture, NULL); FREE(view); } static void bind_sampler_states(struct fd_texture_stateobj *tex, unsigned nr, void **hwcso) { unsigned i; unsigned new_nr = 0; for (i = 0; i < nr; i++) { if (hwcso[i]) new_nr = i + 1; tex->samplers[i] = hwcso[i]; tex->dirty_samplers |= (1 << i); } for (; i < tex->num_samplers; i++) { tex->samplers[i] = NULL; tex->dirty_samplers |= (1 << i); } tex->num_samplers = new_nr; } static void set_sampler_views(struct fd_texture_stateobj *tex, unsigned nr, struct pipe_sampler_view **views) { unsigned i; unsigned new_nr = 0; for (i = 0; i < nr; i++) { if (views[i]) new_nr = i + 1; pipe_sampler_view_reference(&tex->textures[i], views[i]); tex->dirty_samplers |= (1 << i); } for (; i < tex->num_textures; i++) { pipe_sampler_view_reference(&tex->textures[i], NULL); tex->dirty_samplers |= (1 << i); } tex->num_textures = new_nr; } void fd_sampler_states_bind(struct pipe_context *pctx, unsigned shader, unsigned start, unsigned nr, void **hwcso) { struct fd_context *ctx = fd_context(pctx); assert(start == 0); if (shader == PIPE_SHADER_FRAGMENT) { bind_sampler_states(&ctx->fragtex, nr, hwcso); ctx->dirty |= FD_DIRTY_FRAGTEX; } else if (shader == PIPE_SHADER_VERTEX) { bind_sampler_states(&ctx->verttex, nr, hwcso); ctx->dirty |= FD_DIRTY_VERTTEX; } } static void fd_fragtex_set_sampler_views(struct pipe_context *pctx, unsigned nr, struct pipe_sampler_view **views) { struct fd_context *ctx = fd_context(pctx); /* on a2xx, since there is a flat address space for textures/samplers, * a change in # of fragment textures/samplers will trigger patching and * re-emitting the vertex shader: */ if (nr != ctx->fragtex.num_textures) ctx->dirty |= FD_DIRTY_TEXSTATE; set_sampler_views(&ctx->fragtex, nr, views); ctx->dirty |= FD_DIRTY_FRAGTEX; } static void fd_verttex_set_sampler_views(struct pipe_context *pctx, unsigned nr, struct pipe_sampler_view **views) { struct fd_context *ctx = fd_context(pctx); set_sampler_views(&ctx->verttex, nr, views); ctx->dirty |= FD_DIRTY_VERTTEX; } void fd_set_sampler_views(struct pipe_context *pctx, unsigned shader, unsigned start, unsigned nr, struct pipe_sampler_view **views) { assert(start == 0); switch (shader) { case PIPE_SHADER_FRAGMENT: fd_fragtex_set_sampler_views(pctx, nr, views); break; case PIPE_SHADER_VERTEX: fd_verttex_set_sampler_views(pctx, nr, views); break; default: ; } } void fd_texture_init(struct pipe_context *pctx) { pctx->delete_sampler_state = fd_sampler_state_delete; pctx->sampler_view_destroy = fd_sampler_view_destroy; }