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      1 /*
      2  * Copyright (C) 2021 Collabora Ltd.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #include "util/macros.h"
     25 #include "compiler/shader_enums.h"
     26 
     27 #include "panfrost-quirks.h"
     28 #include "pan_cs.h"
     29 #include "pan_pool.h"
     30 
     31 #include "panvk_cs.h"
     32 #include "panvk_private.h"
     33 
     34 void
     35 panvk_sysval_upload_viewport_scale(const VkViewport *viewport,
     36                                    union panvk_sysval_data *data)
     37 {
     38    data->f32[0] = 0.5f * viewport->width;
     39    data->f32[1] = 0.5f * viewport->height;
     40    data->f32[2] = 0.5f * (viewport->maxDepth - viewport->minDepth);
     41 }
     42 
     43 void
     44 panvk_sysval_upload_viewport_offset(const VkViewport *viewport,
     45                                     union panvk_sysval_data *data)
     46 {
     47    data->f32[0] = (0.5f * viewport->width) + viewport->x;
     48    data->f32[1] = (0.5f * viewport->height) + viewport->y;
     49    data->f32[2] = (0.5f * (viewport->maxDepth - viewport->minDepth)) + viewport->minDepth;
     50 }
     51