| 0,0 → 1,306 |
|---|
| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2013 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 "util/u_format.h" |
| |
| #include "fd3_texture.h" |
| #include "fd3_format.h" |
| |
| static enum a3xx_tex_clamp |
| tex_clamp(unsigned wrap, bool clamp_to_edge) |
| { |
| /* Hardware does not support _CLAMP, but we emulate it: */ |
| if (wrap == PIPE_TEX_WRAP_CLAMP) { |
| wrap = (clamp_to_edge) ? |
| PIPE_TEX_WRAP_CLAMP_TO_EDGE : PIPE_TEX_WRAP_CLAMP_TO_BORDER; |
| } |
| |
| switch (wrap) { |
| case PIPE_TEX_WRAP_REPEAT: |
| return A3XX_TEX_REPEAT; |
| case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
| return A3XX_TEX_CLAMP_TO_EDGE; |
| case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
| return A3XX_TEX_CLAMP_TO_BORDER; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: |
| /* only works for PoT.. need to emulate otherwise! */ |
| return A3XX_TEX_MIRROR_CLAMP; |
| case PIPE_TEX_WRAP_MIRROR_REPEAT: |
| return A3XX_TEX_MIRROR_REPEAT; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP: |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: |
| /* these two we could perhaps emulate, but we currently |
| * just don't advertise PIPE_CAP_TEXTURE_MIRROR_CLAMP |
| */ |
| default: |
| DBG("invalid wrap: %u", wrap); |
| return 0; |
| } |
| } |
| |
| static enum a3xx_tex_filter |
| tex_filter(unsigned filter, bool aniso) |
| { |
| switch (filter) { |
| case PIPE_TEX_FILTER_NEAREST: |
| return A3XX_TEX_NEAREST; |
| case PIPE_TEX_FILTER_LINEAR: |
| return aniso ? A3XX_TEX_ANISO : A3XX_TEX_LINEAR; |
| default: |
| DBG("invalid filter: %u", filter); |
| return 0; |
| } |
| } |
| |
| static void * |
| fd3_sampler_state_create(struct pipe_context *pctx, |
| const struct pipe_sampler_state *cso) |
| { |
| struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj); |
| unsigned aniso = util_last_bit(MIN2(cso->max_anisotropy >> 1, 8)); |
| bool miplinear = false; |
| bool clamp_to_edge; |
| |
| if (!so) |
| return NULL; |
| |
| if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR) |
| miplinear = true; |
| |
| so->base = *cso; |
| |
| /* |
| * For nearest filtering, _CLAMP means _CLAMP_TO_EDGE; for linear |
| * filtering, _CLAMP means _CLAMP_TO_BORDER while additionally |
| * clamping the texture coordinates to [0.0, 1.0]. |
| * |
| * The clamping will be taken care of in the shaders. There are two |
| * filters here, but let the minification one has a say. |
| */ |
| clamp_to_edge = (cso->min_img_filter == PIPE_TEX_FILTER_NEAREST); |
| if (!clamp_to_edge) { |
| so->saturate_s = (cso->wrap_s == PIPE_TEX_WRAP_CLAMP); |
| so->saturate_t = (cso->wrap_t == PIPE_TEX_WRAP_CLAMP); |
| so->saturate_r = (cso->wrap_r == PIPE_TEX_WRAP_CLAMP); |
| } |
| |
| so->texsamp0 = |
| COND(!cso->normalized_coords, A3XX_TEX_SAMP_0_UNNORM_COORDS) | |
| COND(miplinear, A3XX_TEX_SAMP_0_MIPFILTER_LINEAR) | |
| A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) | |
| A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) | |
| A3XX_TEX_SAMP_0_ANISO(aniso) | |
| A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, clamp_to_edge)) | |
| A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, clamp_to_edge)) | |
| A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, clamp_to_edge)); |
| |
| if (cso->compare_mode) |
| so->texsamp0 |= A3XX_TEX_SAMP_0_COMPARE_FUNC(cso->compare_func); /* maps 1:1 */ |
| |
| if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) { |
| so->texsamp1 = |
| A3XX_TEX_SAMP_1_LOD_BIAS(cso->lod_bias) | |
| A3XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) | |
| A3XX_TEX_SAMP_1_MAX_LOD(cso->max_lod); |
| } else { |
| so->texsamp1 = 0x00000000; |
| } |
| |
| return so; |
| } |
| |
| static void |
| fd3_sampler_states_bind(struct pipe_context *pctx, |
| unsigned shader, unsigned start, |
| unsigned nr, void **hwcso) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd3_context *fd3_ctx = fd3_context(ctx); |
| uint16_t saturate_s = 0, saturate_t = 0, saturate_r = 0; |
| unsigned i; |
| |
| for (i = 0; i < nr; i++) { |
| if (hwcso[i]) { |
| struct fd3_sampler_stateobj *sampler = |
| fd3_sampler_stateobj(hwcso[i]); |
| if (sampler->saturate_s) |
| saturate_s |= (1 << i); |
| if (sampler->saturate_t) |
| saturate_t |= (1 << i); |
| if (sampler->saturate_r) |
| saturate_r |= (1 << i); |
| } |
| } |
| |
| fd_sampler_states_bind(pctx, shader, start, nr, hwcso); |
| |
| if (shader == PIPE_SHADER_FRAGMENT) { |
| fd3_ctx->fsaturate = |
| (saturate_s != 0) || |
| (saturate_t != 0) || |
| (saturate_r != 0); |
| fd3_ctx->fsaturate_s = saturate_s; |
| fd3_ctx->fsaturate_t = saturate_t; |
| fd3_ctx->fsaturate_r = saturate_r; |
| } else if (shader == PIPE_SHADER_VERTEX) { |
| fd3_ctx->vsaturate = |
| (saturate_s != 0) || |
| (saturate_t != 0) || |
| (saturate_r != 0); |
| fd3_ctx->vsaturate_s = saturate_s; |
| fd3_ctx->vsaturate_t = saturate_t; |
| fd3_ctx->vsaturate_r = saturate_r; |
| } |
| } |
| |
| static enum a3xx_tex_type |
| tex_type(unsigned target) |
| { |
| switch (target) { |
| default: |
| assert(0); |
| case PIPE_BUFFER: |
| case PIPE_TEXTURE_1D: |
| case PIPE_TEXTURE_1D_ARRAY: |
| return A3XX_TEX_1D; |
| case PIPE_TEXTURE_RECT: |
| case PIPE_TEXTURE_2D: |
| case PIPE_TEXTURE_2D_ARRAY: |
| return A3XX_TEX_2D; |
| case PIPE_TEXTURE_3D: |
| return A3XX_TEX_3D; |
| case PIPE_TEXTURE_CUBE: |
| case PIPE_TEXTURE_CUBE_ARRAY: |
| return A3XX_TEX_CUBE; |
| } |
| } |
| |
| static struct pipe_sampler_view * |
| fd3_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc, |
| const struct pipe_sampler_view *cso) |
| { |
| struct fd3_pipe_sampler_view *so = CALLOC_STRUCT(fd3_pipe_sampler_view); |
| struct fd_resource *rsc = fd_resource(prsc); |
| unsigned lvl = cso->u.tex.first_level; |
| unsigned miplevels = cso->u.tex.last_level - lvl; |
| uint32_t sz2 = 0; |
| |
| if (!so) |
| return NULL; |
| |
| so->base = *cso; |
| pipe_reference(NULL, &prsc->reference); |
| so->base.texture = prsc; |
| so->base.reference.count = 1; |
| so->base.context = pctx; |
| |
| so->texconst0 = |
| A3XX_TEX_CONST_0_TYPE(tex_type(prsc->target)) | |
| A3XX_TEX_CONST_0_FMT(fd3_pipe2tex(cso->format)) | |
| A3XX_TEX_CONST_0_MIPLVLS(miplevels) | |
| fd3_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g, |
| cso->swizzle_b, cso->swizzle_a); |
| |
| if (util_format_is_srgb(cso->format)) |
| so->texconst0 |= A3XX_TEX_CONST_0_SRGB; |
| |
| so->texconst1 = |
| A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso->format)) | |
| A3XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) | |
| A3XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl)); |
| /* when emitted, A3XX_TEX_CONST_2_INDX() must be OR'd in: */ |
| so->texconst2 = |
| A3XX_TEX_CONST_2_PITCH(rsc->slices[lvl].pitch * rsc->cpp); |
| switch (prsc->target) { |
| case PIPE_TEXTURE_1D_ARRAY: |
| case PIPE_TEXTURE_2D_ARRAY: |
| so->texconst3 = |
| A3XX_TEX_CONST_3_DEPTH(prsc->array_size - 1) | |
| A3XX_TEX_CONST_3_LAYERSZ1(rsc->slices[0].size0); |
| break; |
| case PIPE_TEXTURE_3D: |
| so->texconst3 = |
| A3XX_TEX_CONST_3_DEPTH(u_minify(prsc->depth0, lvl)) | |
| A3XX_TEX_CONST_3_LAYERSZ1(rsc->slices[lvl].size0); |
| while (lvl < cso->u.tex.last_level && sz2 != rsc->slices[lvl+1].size0) |
| sz2 = rsc->slices[++lvl].size0; |
| so->texconst3 |= A3XX_TEX_CONST_3_LAYERSZ2(sz2); |
| break; |
| default: |
| so->texconst3 = 0x00000000; |
| break; |
| } |
| |
| return &so->base; |
| } |
| |
| static void |
| fd3_set_sampler_views(struct pipe_context *pctx, unsigned shader, |
| unsigned start, unsigned nr, |
| struct pipe_sampler_view **views) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd3_context *fd3_ctx = fd3_context(ctx); |
| struct fd_texture_stateobj *tex; |
| uint16_t integer_s = 0, *ptr; |
| int i; |
| |
| fd_set_sampler_views(pctx, shader, start, nr, views); |
| |
| switch (shader) { |
| case PIPE_SHADER_FRAGMENT: |
| tex = &ctx->fragtex; |
| ptr = &fd3_ctx->finteger_s; |
| break; |
| case PIPE_SHADER_VERTEX: |
| tex = &ctx->verttex; |
| ptr = &fd3_ctx->vinteger_s; |
| break; |
| default: |
| return; |
| } |
| |
| for (i = 0; i < tex->num_textures; i++) |
| if (util_format_is_pure_integer(tex->textures[i]->format)) |
| integer_s |= 1 << i; |
| *ptr = integer_s; |
| } |
| |
| |
| void |
| fd3_texture_init(struct pipe_context *pctx) |
| { |
| pctx->create_sampler_state = fd3_sampler_state_create; |
| pctx->bind_sampler_states = fd3_sampler_states_bind; |
| pctx->create_sampler_view = fd3_sampler_view_create; |
| pctx->set_sampler_views = fd3_set_sampler_views; |
| } |