pan_cs.h

/*
 * Copyright (C) 2021 Collabora, Ltd.
 *
 * 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:
 *   Alyssa Rosenzweig <[email protected]>
 *   Boris Brezillon <[email protected]>
 */

#ifndef __PAN_CS_H
#define __PAN_CS_H

#include "pan_texture.h"

struct pan_compute_dim {
        uint32_t x, y, z;
};

struct pan_fb_color_attachment {
        const struct pan_image_view *view;
        bool *crc_valid;
        bool clear;
        bool preload;
        bool discard;
        uint32_t clear_value[4];
};

struct pan_fb_zs_attachment {
        struct {
                const struct pan_image_view *zs, *s;
        } view;

        struct {
                bool z, s;
        } clear;

        struct {
                bool z, s;
        } discard;

        struct {
                bool z, s;
        } preload;

        struct {
                float depth;
                uint8_t stencil;
        } clear_value;
};

struct pan_tiler_context {
        union {
                mali_ptr bifrost;
                struct {
                        bool disable;
                        struct panfrost_bo *polygon_list;
                } midgard;
        };
};

struct pan_tls_info {
        struct {
                mali_ptr ptr;
                unsigned size;
        } tls;

        struct {
                struct pan_compute_dim dim;
                mali_ptr ptr;
                unsigned size;
        } wls;
};

struct pan_fb_bifrost_info {
        struct {
                struct panfrost_ptr dcds;
                enum mali_pre_post_frame_shader_mode modes[3];
        } pre_post;
};

struct pan_fb_info {
        unsigned width, height;
        struct {
                /* Max values are inclusive */
                unsigned minx, miny, maxx, maxy;
        } extent;
        unsigned nr_samples;
        unsigned rt_count;
        struct pan_fb_color_attachment rts[8];
        struct pan_fb_zs_attachment zs;

        struct {
                unsigned stride;
                mali_ptr base;
        } tile_map;

        union {
                struct pan_fb_bifrost_info bifrost;
        };
};

unsigned
pan_wls_mem_size(const struct panfrost_device *dev,
                 const struct pan_compute_dim *dim,
                 unsigned wls_size);

void
pan_emit_tls(const struct panfrost_device *dev,
             const struct pan_tls_info *info,
             void *out);

bool
pan_fbd_has_zs_crc_ext(const struct panfrost_device *dev,
                       const struct pan_fb_info *fb);

int
pan_select_crc_rt(const struct panfrost_device *dev,
                  const struct pan_fb_info *fb);

unsigned
pan_emit_fbd(const struct panfrost_device *dev,
             const struct pan_fb_info *fb,
             const struct pan_tls_info *tls,
             const struct pan_tiler_context *tiler_ctx,
             void *out);

void
pan_emit_bifrost_tiler_heap(const struct panfrost_device *dev,
                            void *out);

void
pan_emit_bifrost_tiler(const struct panfrost_device *dev,
                       unsigned fb_width, unsigned fb_height,
                       unsigned nr_samples,
                       mali_ptr heap,
                       void *out);

void
pan_emit_fragment_job(const struct panfrost_device *dev,
                      const struct pan_fb_info *fb,
                      mali_ptr fbd,
                      void *out);

#endif