quakeforge/libs/video/renderer/vulkan/vulkan_texture.c
2021-01-20 01:18:47 +09:00

246 lines
6.5 KiB
C

/*
vulkan_texuture.c
Quake specific Vulkan texuture manager
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_MATH_H
# include <math.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/alloc.h"
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/hash.h"
#include "QF/image.h"
#include "QF/mathlib.h"
#include "QF/qfplist.h"
#include "QF/quakefs.h"
#include "QF/render.h"
#include "QF/sys.h"
#include "QF/Vulkan/qf_vid.h"
#include "QF/Vulkan/qf_texture.h"
#include "QF/Vulkan/barrier.h"
#include "QF/Vulkan/buffer.h"
#include "QF/Vulkan/command.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/image.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/staging.h"
#include "QF/Vulkan/texture.h"
#include "r_scrap.h"
#include "vid_vulkan.h"
static int
ilog2 (unsigned x)
{
if (x > 0x7fffffff) {
// avoid overflow
return 31;
}
x--;
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
x++;
int y = 0;
y |= ((x & 0xffff0000) != 0) << 4;
y |= ((x & 0xff00ff00) != 0) << 3;
y |= ((x & 0xf0f0f0f0) != 0) << 2;
y |= ((x & 0xcccccccc) != 0) << 1;
y |= ((x & 0xaaaaaaaa) != 0) << 0;
return y;
}
qfv_tex_t *
Vulkan_LoadTex (vulkan_ctx_t *ctx, tex_t *tex, int mip)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
int bpp = 0;
VkFormat format = VK_FORMAT_UNDEFINED;
switch (tex->format) {
case tex_l:
case tex_a:
format = VK_FORMAT_R8_UNORM;
bpp = 1;
break;
case tex_la:
format = VK_FORMAT_R8G8_UNORM;
bpp = 2;
break;
case tex_palette:
if (!tex->palette) {
return 0;
}
format = VK_FORMAT_R8G8B8_UNORM;
bpp = 3;
break;
case tex_rgb:
format = VK_FORMAT_R8G8B8_UNORM;
bpp = 3;
break;
case tex_rgba:
format = VK_FORMAT_R8G8B8A8_UNORM;
bpp = 4;
break;
case tex_frgba:
format = VK_FORMAT_R32G32B32A32_SFLOAT;
bpp = 16;
break;
}
if (format == VK_FORMAT_UNDEFINED) {
return 0;
}
if (mip) {
mip = ilog2 (max (tex->width, tex->height)) + 1;
} else {
mip = 1;
}
//qfv_devfuncs_t *dfunc = device->funcs;
//FIXME this whole thing is ineffiecient, especially for small textures
qfv_tex_t *qtex = malloc (sizeof (qfv_tex_t));
VkExtent3D extent = { tex->width, tex->height, 1 };
qtex->image = QFV_CreateImage (device, 0, VK_IMAGE_TYPE_2D, format, extent,
mip, 1, VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_TRANSFER_DST_BIT
| VK_IMAGE_USAGE_SAMPLED_BIT);
qtex->memory = QFV_AllocImageMemory (device, qtex->image,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
0, 0);
QFV_BindImageMemory (device, qtex->image, qtex->memory, 0);
size_t bytes = bpp * tex->width * tex->height;
qfv_packet_t *packet = QFV_PacketAcquire (ctx->staging);
byte *tex_data = QFV_PacketExtend (packet, bytes);
if (tex->format == tex_palette) {
byte *data = tex->data;
for (size_t count = tex->width * tex->height; count-- > 0; ) {
byte pix = *data++;
byte *col = tex->palette + pix;
*tex_data++ = *col++;
*tex_data++ = *col++;
*tex_data++ = *col++;
}
} else {
memcpy (tex_data, tex->data, bytes);
}
VkImageMemoryBarrier barrier;
qfv_pipelinestagepair_t stages;
stages = imageLayoutTransitionStages[qfv_LT_Undefined_to_TransferDst];
barrier = imageLayoutTransitionBarriers[qfv_LT_Undefined_to_TransferDst];
barrier.image = qtex->image;
dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst,
0, 0, 0, 0, 0,
1, &barrier);
VkBufferImageCopy copy = {
packet->offset, 0, 0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{0, 0, 0}, {tex->width, tex->height, 1},
};
dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
qtex->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copy);
barrier.subresourceRange.baseMipLevel = 0;
stages.src = VK_PIPELINE_STAGE_TRANSFER_BIT;
stages.dst = VK_PIPELINE_STAGE_TRANSFER_BIT;
VkImageBlit blit = {
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{{0, 0, 0}, {tex->width, tex->height, 1}},
{VK_IMAGE_ASPECT_COLOR_BIT, 1, 0, 1},
{{0, 0, 0}, {(tex->width + 1) >> 1, (tex->height + 1) >> 1, 1}},
};
while (--mip > 0) {
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst, 0,
0, 0, 0, 0,
1, &barrier);
dfunc->vkCmdBlitImage (packet->cmd,
qtex->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
qtex->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &blit, VK_FILTER_LINEAR);
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst, 0,
0, 0, 0, 0,
1, &barrier);
blit.srcSubresource.mipLevel++;
blit.srcOffsets[1].x = blit.dstOffsets[1].x;
blit.srcOffsets[1].y = blit.dstOffsets[1].y;
blit.dstSubresource.mipLevel++;
blit.dstOffsets[1].x = (blit.dstOffsets[1].x + 1) >> 1;
blit.dstOffsets[1].y = (blit.dstOffsets[1].y + 1) >> 1;
barrier.subresourceRange.baseMipLevel++;
}
QFV_PacketSubmit (packet);
return 0;
}
VkImageView
Vulkan_TexImageView (qfv_tex_t *tex)
{
return tex->view;
}
void
Vulkan_UnloadTex (vulkan_ctx_t *ctx, qfv_tex_t *tex)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
dfunc->vkDestroyImageView (device->dev, tex->view, 0);
dfunc->vkDestroyImage (device->dev, tex->image, 0);
dfunc->vkFreeMemory (device->dev, tex->memory, 0);
free (tex);
}