| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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 <robclark@freedesktop.org> |
| */ |
| |
| #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 start, unsigned nr, void **hwcso) |
| { |
| unsigned i; |
| |
| for (i = 0; i < nr; i++) { |
| unsigned p = i + start; |
| tex->samplers[p] = hwcso[i]; |
| if (tex->samplers[p]) |
| tex->valid_samplers |= (1 << p); |
| else |
| tex->valid_samplers &= ~(1 << p); |
| } |
| |
| tex->num_samplers = util_last_bit(tex->valid_samplers); |
| } |
| |
| static void set_sampler_views(struct fd_texture_stateobj *tex, |
| unsigned start, unsigned nr, struct pipe_sampler_view **views) |
| { |
| unsigned i; |
| |
| for (i = 0; i < nr; i++) { |
| struct pipe_sampler_view *view = views ? views[i] : NULL; |
| unsigned p = i + start; |
| pipe_sampler_view_reference(&tex->textures[p], view); |
| if (tex->textures[p]) |
| tex->valid_textures |= (1 << p); |
| else |
| tex->valid_textures &= ~(1 << p); |
| } |
| |
| tex->num_textures = util_last_bit(tex->valid_textures); |
| } |
| |
| void |
| fd_sampler_states_bind(struct pipe_context *pctx, |
| enum pipe_shader_type shader, unsigned start, |
| unsigned nr, void **hwcso) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| |
| bind_sampler_states(&ctx->tex[shader], start, nr, hwcso); |
| ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX; |
| ctx->dirty |= FD_DIRTY_TEX; |
| } |
| |
| void |
| fd_set_sampler_views(struct pipe_context *pctx, enum pipe_shader_type shader, |
| unsigned start, unsigned nr, |
| struct pipe_sampler_view **views) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| |
| set_sampler_views(&ctx->tex[shader], start, nr, views); |
| ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX; |
| ctx->dirty |= FD_DIRTY_TEX; |
| } |
| |
| void |
| fd_texture_init(struct pipe_context *pctx) |
| { |
| pctx->delete_sampler_state = fd_sampler_state_delete; |
| |
| pctx->sampler_view_destroy = fd_sampler_view_destroy; |
| } |
| |
| /* helper for setting up border-color buffer for a3xx/a4xx: */ |
| void |
| fd_setup_border_colors(struct fd_texture_stateobj *tex, void *ptr, |
| unsigned offset) |
| { |
| unsigned i, j; |
| |
| for (i = 0; i < tex->num_samplers; i++) { |
| struct pipe_sampler_state *sampler = tex->samplers[i]; |
| uint16_t *bcolor = (uint16_t *)((uint8_t *)ptr + |
| (BORDERCOLOR_SIZE * offset) + |
| (BORDERCOLOR_SIZE * i)); |
| uint32_t *bcolor32 = (uint32_t *)&bcolor[16]; |
| |
| if (!sampler) |
| continue; |
| |
| /* |
| * XXX HACK ALERT XXX |
| * |
| * The border colors need to be swizzled in a particular |
| * format-dependent order. Even though samplers don't know about |
| * formats, we can assume that with a GL state tracker, there's a |
| * 1:1 correspondence between sampler and texture. Take advantage |
| * of that knowledge. |
| */ |
| if (i < tex->num_textures && tex->textures[i]) { |
| const struct util_format_description *desc = |
| util_format_description(tex->textures[i]->format); |
| for (j = 0; j < 4; j++) { |
| if (desc->swizzle[j] >= 4) |
| continue; |
| |
| const struct util_format_channel_description *chan = |
| &desc->channel[desc->swizzle[j]]; |
| if (chan->pure_integer) { |
| bcolor32[desc->swizzle[j] + 4] = sampler->border_color.i[j]; |
| bcolor[desc->swizzle[j] + 8] = sampler->border_color.i[j]; |
| } else { |
| bcolor32[desc->swizzle[j]] = fui(sampler->border_color.f[j]); |
| bcolor[desc->swizzle[j]] = |
| util_float_to_half(sampler->border_color.f[j]); |
| } |
| } |
| } |
| } |
| } |