mirror of https://gitlab.freedesktop.org/mesa/mesa
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "util/macros.h"
|
|
#include "compiler/shader_enums.h"
|
|
|
|
#include "pan_cs.h"
|
|
#include "pan_pool.h"
|
|
|
|
#include "panvk_cs.h"
|
|
#include "panvk_private.h"
|
|
|
|
/*
|
|
* Upload the viewport scale. Defined as (px/2, py/2, pz) at the start of section
|
|
* 24.5 ("Controlling the Viewport") of the Vulkan spec. At the end of the
|
|
* section, the spec defines:
|
|
*
|
|
* px = width
|
|
* py = height
|
|
* pz = maxDepth - minDepth
|
|
*/
|
|
void
|
|
panvk_sysval_upload_viewport_scale(const VkViewport *viewport,
|
|
union panvk_sysval_vec4 *data)
|
|
{
|
|
data->f32[0] = 0.5f * viewport->width;
|
|
data->f32[1] = 0.5f * viewport->height;
|
|
data->f32[2] = (viewport->maxDepth - viewport->minDepth);
|
|
}
|
|
|
|
/*
|
|
* Upload the viewport offset. Defined as (ox, oy, oz) at the start of section
|
|
* 24.5 ("Controlling the Viewport") of the Vulkan spec. At the end of the
|
|
* section, the spec defines:
|
|
*
|
|
* ox = x + width/2
|
|
* oy = y + height/2
|
|
* oz = minDepth
|
|
*/
|
|
void
|
|
panvk_sysval_upload_viewport_offset(const VkViewport *viewport,
|
|
union panvk_sysval_vec4 *data)
|
|
{
|
|
data->f32[0] = (0.5f * viewport->width) + viewport->x;
|
|
data->f32[1] = (0.5f * viewport->height) + viewport->y;
|
|
data->f32[2] = viewport->minDepth;
|
|
}
|