| 0,0 → 1,140 |
|---|
| /* -*- 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 "fd3_texture.h" |
| #include "fd3_util.h" |
| |
| static enum a3xx_tex_clamp |
| tex_clamp(unsigned wrap) |
| { |
| /* hardware probably supports more, but we can't coax all the |
| * wrap/clamp modes out of the GLESv2 blob driver. |
| * |
| * TODO once we have basics working, go back and just try |
| * different values and see what happens |
| */ |
| switch (wrap) { |
| case PIPE_TEX_WRAP_REPEAT: |
| return A3XX_TEX_REPEAT; |
| case PIPE_TEX_WRAP_CLAMP: |
| case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
| case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
| return A3XX_TEX_CLAMP_TO_EDGE; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP: |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: |
| case PIPE_TEX_WRAP_MIRROR_REPEAT: |
| return A3XX_TEX_MIRROR_REPEAT; |
| default: |
| DBG("invalid wrap: %u", wrap); |
| return 0; |
| } |
| } |
| |
| static enum a3xx_tex_filter |
| tex_filter(unsigned filter) |
| { |
| switch (filter) { |
| case PIPE_TEX_FILTER_NEAREST: |
| return A3XX_TEX_NEAREST; |
| case PIPE_TEX_FILTER_LINEAR: |
| return 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); |
| |
| if (!so) |
| return NULL; |
| |
| so->base = *cso; |
| |
| so->texsamp0 = |
| A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) | |
| A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) | |
| A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) | |
| A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) | |
| A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r)); |
| so->texsamp1 = 0x00000000; /* ??? */ |
| |
| return so; |
| } |
| |
| 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); |
| |
| 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->tex_resource = rsc; |
| |
| so->texconst0 = |
| 0x40000000 | /* ??? */ |
| A3XX_TEX_CONST_0_FMT(fd3_pipe2tex(cso->format)) | |
| fd3_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g, |
| cso->swizzle_b, cso->swizzle_a); |
| so->texconst1 = |
| A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso->format)) | |
| A3XX_TEX_CONST_1_WIDTH(prsc->width0) | |
| A3XX_TEX_CONST_1_HEIGHT(prsc->height0); |
| /* when emitted, A3XX_TEX_CONST_2_INDX() must be OR'd in: */ |
| so->texconst2 = |
| A3XX_TEX_CONST_2_PITCH(rsc->pitch * rsc->cpp); |
| so->texconst3 = 0x00000000; /* ??? */ |
| |
| return &so->base; |
| } |
| |
| void |
| fd3_texture_init(struct pipe_context *pctx) |
| { |
| pctx->create_sampler_state = fd3_sampler_state_create; |
| pctx->create_sampler_view = fd3_sampler_view_create; |
| } |