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/*
* Copyright © 2022 Imagination Technologies 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 <stdint.h>
#include <vulkan/vulkan.h>
#include "hwdef/rogue_hw_defs.h"
#include "pipe/p_defines.h"
#include "pvr_csb.h"
#include "pvr_device_info.h"
#include "pvr_formats.h"
#include "pvr_private.h"
#include "pvr_tex_state.h"
#include "util/macros.h"
#include "util/u_math.h"
#include "vk_format.h"
#include "vk_log.h"
static enum ROGUE_TEXSTATE_SWIZ pvr_get_hw_swizzle(VkComponentSwizzle comp,
enum pipe_swizzle swz)
{
switch (swz) {
case PIPE_SWIZZLE_0:
return ROGUE_TEXSTATE_SWIZ_SRC_ZERO;
case PIPE_SWIZZLE_1:
return ROGUE_TEXSTATE_SWIZ_SRC_ONE;
case PIPE_SWIZZLE_X:
return ROGUE_TEXSTATE_SWIZ_SRCCHAN_0;
case PIPE_SWIZZLE_Y:
return ROGUE_TEXSTATE_SWIZ_SRCCHAN_1;
case PIPE_SWIZZLE_Z:
return ROGUE_TEXSTATE_SWIZ_SRCCHAN_2;
case PIPE_SWIZZLE_W:
return ROGUE_TEXSTATE_SWIZ_SRCCHAN_3;
case PIPE_SWIZZLE_NONE:
if (comp == VK_COMPONENT_SWIZZLE_A)
return ROGUE_TEXSTATE_SWIZ_SRC_ONE;
else
return ROGUE_TEXSTATE_SWIZ_SRC_ZERO;
default:
unreachable("Unknown enum pipe_swizzle");
};
}
VkResult
pvr_pack_tex_state(struct pvr_device *device,
const struct pvr_texture_state_info *info,
uint64_t state[static const ROGUE_NUM_TEXSTATE_IMAGE_WORDS])
{
const struct pvr_device_info *dev_info = &device->pdevice->dev_info;
enum pvr_memlayout mem_layout;
VkImageViewType iview_type;
if (info->type == VK_IMAGE_VIEW_TYPE_1D &&
info->mem_layout == PVR_MEMLAYOUT_LINEAR) {
/* Change the memory layout to twiddled as there isn't a TEXSTATE_TEXTYPE
* for 1D linear and 1D twiddled is equivalent.
*/
mem_layout = PVR_MEMLAYOUT_TWIDDLED;
} else {
mem_layout = info->mem_layout;
}
if (info->is_cube && info->tex_state_type != PVR_TEXTURE_STATE_SAMPLE)
iview_type = VK_IMAGE_VIEW_TYPE_2D;
else
iview_type = info->type;
pvr_csb_pack (&state[0], TEXSTATE_IMAGE_WORD0, word0) {
if (mem_layout == PVR_MEMLAYOUT_LINEAR) {
switch (iview_type) {
case VK_IMAGE_VIEW_TYPE_2D:
case VK_IMAGE_VIEW_TYPE_2D_ARRAY:
word0.textype = PVRX(TEXSTATE_TEXTYPE_STRIDE);
break;
default:
return vk_error(device, VK_ERROR_FORMAT_NOT_SUPPORTED);
}
} else if (mem_layout == PVR_MEMLAYOUT_TWIDDLED) {
switch (iview_type) {
case VK_IMAGE_VIEW_TYPE_1D:
case VK_IMAGE_VIEW_TYPE_1D_ARRAY:
word0.textype = PVRX(TEXSTATE_TEXTYPE_1D);
break;
case VK_IMAGE_VIEW_TYPE_2D:
case VK_IMAGE_VIEW_TYPE_2D_ARRAY:
word0.textype = PVRX(TEXSTATE_TEXTYPE_2D);
break;
case VK_IMAGE_VIEW_TYPE_CUBE:
case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:
word0.textype = PVRX(TEXSTATE_TEXTYPE_CUBE);
break;
default:
return vk_error(device, VK_ERROR_FORMAT_NOT_SUPPORTED);
}
} else if (mem_layout == PVR_MEMLAYOUT_3DTWIDDLED) {
switch (iview_type) {
case VK_IMAGE_VIEW_TYPE_3D:
word0.textype = PVRX(TEXSTATE_TEXTYPE_3D);
break;
default:
return vk_error(device, VK_ERROR_FORMAT_NOT_SUPPORTED);
}
} else {
unreachable("Unknown memory layout");
}
/* When sampling from a combined D/S image, the TPU will default to only
* the depth aspect.
* The driver must select the correct single aspect format when sampling
* to avoid this.
*/
word0.texformat =
pvr_get_tex_format_aspect(info->format, info->aspect_mask);
word0.smpcnt = util_logbase2(info->sample_count);
word0.swiz0 =
pvr_get_hw_swizzle(VK_COMPONENT_SWIZZLE_R, info->swizzle[0]);
word0.swiz1 =
pvr_get_hw_swizzle(VK_COMPONENT_SWIZZLE_G, info->swizzle[1]);
word0.swiz2 =
pvr_get_hw_swizzle(VK_COMPONENT_SWIZZLE_B, info->swizzle[2]);
word0.swiz3 =
pvr_get_hw_swizzle(VK_COMPONENT_SWIZZLE_A, info->swizzle[3]);
/* Gamma */
if (vk_format_is_srgb(info->format)) {
/* Gamma for 2 Component Formats has to be handled differently. */
if (vk_format_get_nr_components(info->format) == 2) {
/* Enable Gamma only for Channel 0 if Channel 1 is an Alpha
* Channel.
*/
if (vk_format_has_alpha(info->format)) {
word0.twocomp_gamma = PVRX(TEXSTATE_TWOCOMP_GAMMA_R);
} else {
/* Otherwise Enable Gamma for both the Channels. */
word0.twocomp_gamma = PVRX(TEXSTATE_TWOCOMP_GAMMA_RG);
/* If Channel 0 happens to be the Alpha Channel, the
* ALPHA_MSB bit would not be set thereby disabling Gamma
* for Channel 0.
*/
}
} else {
word0.gamma = PVRX(TEXSTATE_GAMMA_ON);
}
}
word0.width = info->extent.width - 1;
if (iview_type != VK_IMAGE_VIEW_TYPE_1D &&
iview_type != VK_IMAGE_VIEW_TYPE_1D_ARRAY)
word0.height = info->extent.height - 1;
}
if (mem_layout == PVR_MEMLAYOUT_LINEAR) {
pvr_csb_pack (&state[1], TEXSTATE_STRIDE_IMAGE_WORD1, word1) {
assert(info->stride > 0U);
word1.stride = info->stride - 1U;
word1.num_mip_levels = info->mip_levels;
word1.mipmaps_present = info->mipmaps_present;
word1.texaddr = PVR_DEV_ADDR_OFFSET(info->addr, info->offset);
if (vk_format_is_alpha_on_msb(info->format))
word1.alpha_msb = true;
if (!PVR_HAS_FEATURE(dev_info, tpu_extended_integer_lookup) &&
!PVR_HAS_FEATURE(dev_info, tpu_image_state_v2)) {
if (info->flags & PVR_TEXFLAGS_INDEX_LOOKUP ||
info->flags & PVR_TEXFLAGS_BUFFER)
word1.index_lookup = true;
}
if (info->flags & PVR_TEXFLAGS_BUFFER)
word1.mipmaps_present = false;
if (PVR_HAS_FEATURE(dev_info, tpu_image_state_v2) &&
vk_format_is_compressed(info->format))
word1.tpu_image_state_v2_compression_mode =
PVRX(TEXSTATE_COMPRESSION_MODE_TPU);
}
} else {
pvr_csb_pack (&state[1], TEXSTATE_IMAGE_WORD1, word1) {
word1.num_mip_levels = info->mip_levels;
word1.mipmaps_present = info->mipmaps_present;
word1.baselevel = info->base_level;
if (iview_type == VK_IMAGE_VIEW_TYPE_3D) {
if (info->extent.depth > 0)
word1.depth = info->extent.depth - 1;
} else if (PVR_HAS_FEATURE(dev_info, tpu_array_textures)) {
uint32_t array_layers = info->array_size;
if (iview_type == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY)
array_layers /= 6;
if (array_layers > 0)
word1.depth = array_layers - 1;
}
word1.texaddr = PVR_DEV_ADDR_OFFSET(info->addr, info->offset);
if (!PVR_HAS_FEATURE(dev_info, tpu_extended_integer_lookup) &&
!PVR_HAS_FEATURE(dev_info, tpu_image_state_v2)) {
if (info->flags & PVR_TEXFLAGS_INDEX_LOOKUP ||
info->flags & PVR_TEXFLAGS_BUFFER)
word1.index_lookup = true;
}
if (info->flags & PVR_TEXFLAGS_BUFFER)
word1.mipmaps_present = false;
if (info->flags & PVR_TEXFLAGS_BORDER)
word1.border = true;
if (vk_format_is_alpha_on_msb(info->format))
word1.alpha_msb = true;
if (PVR_HAS_FEATURE(dev_info, tpu_image_state_v2) &&
vk_format_is_compressed(info->format))
word1.tpu_image_state_v2_compression_mode =
PVRX(TEXSTATE_COMPRESSION_MODE_TPU);
}
}
return VK_SUCCESS;
}
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