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/*
* Copyright 2017 Intel Corporation
*
* 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 <assert.h>
#include <stdlib.h>
#include "drm-uapi/drm_fourcc.h"
#include "drm-uapi/i915_drm.h"
#include "isl.h"
#include "dev/gen_device_info.h"
uint32_t
isl_tiling_to_i915_tiling(enum isl_tiling tiling)
{
switch (tiling) {
case ISL_TILING_LINEAR:
return I915_TILING_NONE;
case ISL_TILING_X:
return I915_TILING_X;
case ISL_TILING_Y0:
case ISL_TILING_HIZ:
case ISL_TILING_CCS:
return I915_TILING_Y;
case ISL_TILING_W:
case ISL_TILING_Yf:
case ISL_TILING_Ys:
case ISL_TILING_GEN12_CCS:
return I915_TILING_NONE;
}
unreachable("Invalid ISL tiling");
}
enum isl_tiling
isl_tiling_from_i915_tiling(uint32_t tiling)
{
switch (tiling) {
case I915_TILING_NONE:
return ISL_TILING_LINEAR;
case I915_TILING_X:
return ISL_TILING_X;
case I915_TILING_Y:
return ISL_TILING_Y0;
}
unreachable("Invalid i915 tiling");
}
static const struct isl_drm_modifier_info modifier_info[] = {
{
.modifier = DRM_FORMAT_MOD_NONE,
.name = "DRM_FORMAT_MOD_NONE",
.tiling = ISL_TILING_LINEAR,
},
{
.modifier = I915_FORMAT_MOD_X_TILED,
.name = "I915_FORMAT_MOD_X_TILED",
.tiling = ISL_TILING_X,
},
{
.modifier = I915_FORMAT_MOD_Y_TILED,
.name = "I915_FORMAT_MOD_Y_TILED",
.tiling = ISL_TILING_Y0,
},
{
.modifier = I915_FORMAT_MOD_Y_TILED_CCS,
.name = "I915_FORMAT_MOD_Y_TILED_CCS",
.tiling = ISL_TILING_Y0,
.aux_usage = ISL_AUX_USAGE_CCS_E,
.supports_clear_color = false,
},
};
const struct isl_drm_modifier_info *
isl_drm_modifier_get_info(uint64_t modifier)
{
for (unsigned i = 0; i < ARRAY_SIZE(modifier_info); i++) {
if (modifier_info[i].modifier == modifier)
return &modifier_info[i];
}
return NULL;
}
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