quakeforge/libs/video/renderer/vulkan/vulkan_texture.c

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/*
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/va.h"
#include "QF/Vulkan/qf_texture.h"
#include "QF/Vulkan/barrier.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/descriptor.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/image.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/staging.h"
#include "vid_vulkan.h"
void
Vulkan_ExpandPalette (byte *dst, const byte *src, const byte *palette,
int alpha, int count)
{
if (alpha > 1) {
while (count-- > 0) {
int pix = *src++;
const byte *col = palette + pix * 4;
*dst++ = *col++;
*dst++ = *col++;
*dst++ = *col++;
*dst++ = *col++;
}
} else if (alpha) {
while (count-- > 0) {
byte pix = *src++;
const byte *col = palette + pix * 3;
*dst++ = *col++;
*dst++ = *col++;
*dst++ = *col++;
*dst++ = 0xff;
}
} else {
while (count-- > 0) {
byte pix = *src++;
const byte *col = palette + pix * 3;
*dst++ = *col++;
*dst++ = *col++;
*dst++ = *col++;
}
}
}
static int
tex_format (const tex_t *tex, VkFormat *format, int *bpp)
{
switch (tex->format) {
case tex_l:
case tex_a:
*format = VK_FORMAT_R8_UNORM;
*bpp = 1;
return 1;
case tex_la:
*format = VK_FORMAT_R8G8_UNORM;
*bpp = 2;
return 1;
case tex_palette:
if (!tex->palette) {
return 0;
}
*format = VK_FORMAT_R8G8B8A8_UNORM;
*bpp = 4;
return 1;
case tex_rgb:
*format = VK_FORMAT_R8G8B8A8_UNORM;
*bpp = 4;
return 1;
case tex_rgba:
*format = VK_FORMAT_R8G8B8A8_UNORM;
*bpp = 4;
return 1;
case tex_frgba:
*format = VK_FORMAT_R32G32B32A32_SFLOAT;
*bpp = 16;
return 1;
}
return 0;
}
static size_t
stage_tex_data (qfv_packet_t *packet, tex_t *tex, int bpp)
{
size_t texels = tex->width * tex->height;
byte *tex_data = QFV_PacketExtend (packet, bpp * texels);
if (tex->format == tex_palette) {
Vulkan_ExpandPalette (tex_data, tex->data, tex->palette, 1, texels);
} else {
if (tex->format == 3) {
byte *in = tex->data;
byte *out = tex_data;
while (texels-- > 0) {
*out++ = *in++;
*out++ = *in++;
*out++ = *in++;
*out++ = 255;
}
} else {
memcpy (tex_data, tex->data, bpp * texels);
}
}
return tex_data - (byte *) packet->stage->data;
}
qfv_tex_t *
Vulkan_LoadTexArray (vulkan_ctx_t *ctx, tex_t *tex, int layers, int mip,
const char *name)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
int bpp;
VkFormat format;
if (!tex_format (tex, &format, &bpp)) {
return 0;
}
for (int i = 1; i < layers; i++) {
if (tex[i].width != tex[0].width || tex[i].height != tex[0].height
|| tex[i].format != tex[0].format) {
return 0;
}
}
if (mip) {
mip = QFV_MipLevels (tex[0].width, tex[0].height);
} 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[0].width, tex[0].height, 1 };
VkImageType itype = layers > 0 ? VK_IMAGE_TYPE_2D : VK_IMAGE_TYPE_2D;
VkImageType vtype = layers > 0 ? VK_IMAGE_VIEW_TYPE_2D_ARRAY
: VK_IMAGE_VIEW_TYPE_2D;
if (layers < 1) {
layers = 1;
}
qtex->image = QFV_CreateImage (device, 0, itype, format, extent,
mip, layers, VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_TRANSFER_DST_BIT
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT
| VK_IMAGE_USAGE_SAMPLED_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE, qtex->image,
va (ctx->va_ctx, "image:%s", name));
qtex->memory = QFV_AllocImageMemory (device, qtex->image,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
0, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY, qtex->memory,
va (ctx->va_ctx, "memory:%s", name));
QFV_BindImageMemory (device, qtex->image, qtex->memory, 0);
qtex->view = QFV_CreateImageView (device, qtex->image, vtype,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE_VIEW, qtex->view,
va (ctx->va_ctx, "iview:%s", name));
qfv_packet_t *packet = QFV_PacketAcquire (ctx->staging);
VkBufferImageCopy copy[layers];
copy[0] = (VkBufferImageCopy) {
0, 0, 0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{0, 0, 0}, {tex[0].width, tex[0].height, 1},
};
for (int i = 0; i < layers; i++) {
copy[i] = copy[0];
copy[i].bufferOffset = stage_tex_data (packet, &tex[i], bpp);
copy[i].imageSubresource.baseArrayLayer = i;
}
qfv_imagebarrier_t ib = imageBarriers[qfv_LT_Undefined_to_TransferDst];
ib.barrier.image = qtex->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
qtex->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
layers, copy);
if (mip == 1) {
ib = imageBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
ib.barrier.image = qtex->image;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
} else {
QFV_GenerateMipMaps (device, packet->cmd, qtex->image,
mip, tex->width, tex->height, layers);
}
QFV_PacketSubmit (packet);
return qtex;
}
qfv_tex_t *
Vulkan_LoadTex (vulkan_ctx_t *ctx, tex_t *tex, int mip, const char *name)
{
return Vulkan_LoadTexArray (ctx, tex, 0, mip, name);
}
static qfv_tex_t *
create_cubetex (vulkan_ctx_t *ctx, int size, VkFormat format,
const char *name)
{
qfv_device_t *device = ctx->device;
qfv_tex_t *qtex = malloc (sizeof (qfv_tex_t));
VkExtent3D extent = { size, size, 1 };
qtex->image = QFV_CreateImage (device, 1, VK_IMAGE_TYPE_2D, format, extent,
1, 1, VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE, qtex->image,
va (ctx->va_ctx, "image:envmap:%s", name));
qtex->memory = QFV_AllocImageMemory (device, qtex->image,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
0, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY, qtex->memory,
va (ctx->va_ctx, "memory:%s", name));
QFV_BindImageMemory (device, qtex->image, qtex->memory, 0);
qtex->view = QFV_CreateImageView (device, qtex->image,
VK_IMAGE_VIEW_TYPE_CUBE, format,
VK_IMAGE_ASPECT_COLOR_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE_VIEW, qtex->view,
va (ctx->va_ctx, "iview:envmap:%s", name));
return qtex;
}
qfv_tex_t *
Vulkan_LoadEnvMap (vulkan_ctx_t *ctx, tex_t *tex, const char *name)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
int bpp;
VkFormat format;
static int env_coords[][2] = {
{2, 0}, // right
{0, 0}, // left
{1, 1}, // top
{0, 1}, // bottom
{2, 1}, // front
{1, 0}, // back
};
if (!tex_format (tex, &format, &bpp)) {
return 0;
}
if (tex->height * 3 != tex->width * 2) {
return 0;
}
int size = tex->height / 2;
qfv_tex_t *qtex = create_cubetex (ctx, size, format, name);
qfv_packet_t *packet = QFV_PacketAcquire (ctx->staging);
stage_tex_data (packet, tex, bpp);
qfv_imagebarrier_t ib = imageBarriers[qfv_LT_Undefined_to_TransferDst];
ib.barrier.image = qtex->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
VkBufferImageCopy copy[6] = {
{
0, tex->width, 0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{0, 0, 0}, {size, size, 1},
},
};
for (int i = 0; i < 6; i++) {
int x = env_coords[i][0] * size;
int y = env_coords[i][1] * size;
int offset = x + y * tex->width;
copy[i] = copy[0];
copy[i].bufferOffset = packet->offset + bpp * offset;
copy[i].imageSubresource.baseArrayLayer = i;
}
dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
qtex->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
6, copy);
ib = imageBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
ib.barrier.image = qtex->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
QFV_PacketSubmit (packet);
return qtex;
}
qfv_tex_t *
Vulkan_LoadEnvSides (vulkan_ctx_t *ctx, tex_t **tex, const char *name)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
int bpp;
VkFormat format;
if (!tex_format (tex[0], &format, &bpp)) {
return 0;
}
if (tex[0]->height != tex[0]->width) {
return 0;
}
for (int i = 1; i < 6; i++) {
if (tex[i]->format != tex[0]->format
|| tex[i]->width != tex[0]->width
|| tex[i]->height != tex[0]->height) {
return 0;
}
}
int size = tex[0]->height;
qfv_tex_t *qtex = create_cubetex (ctx, size, format, name);
qfv_packet_t *packet = QFV_PacketAcquire (ctx->staging);
qfv_imagebarrier_t ib = imageBarriers[qfv_LT_Undefined_to_TransferDst];
ib.barrier.image = qtex->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
VkBufferImageCopy copy[6] = {
{
0, 0, 0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
{0, 0, 0}, {size, size, 1},
},
};
for (int i = 0; i < 6; i++) {
copy[i] = copy[0];
copy[i].bufferOffset = stage_tex_data (packet, tex[i], bpp);
copy[i].imageSubresource.baseArrayLayer = i;
}
dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
qtex->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
6, copy);
ib = imageBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
ib.barrier.image = qtex->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
QFV_PacketSubmit (packet);
return qtex;
}
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;
if (tex->view) {
dfunc->vkDestroyImageView (device->dev, tex->view, 0);
}
if (tex->image) {
dfunc->vkDestroyImage (device->dev, tex->image, 0);
}
if (tex->memory) {
dfunc->vkFreeMemory (device->dev, tex->memory, 0);
}
free (tex);
}
static byte black_data[] = {0, 0, 0, 0};
static byte white_data[] = {255, 255, 255, 255};
static byte magenta_data[] = {255, 0, 255, 255};
static tex_t default_black_tex = {
.width = 1,
.height = 1,
.format = tex_rgba,
.loaded = 1,
.palette =0,
.data = black_data,
};
static tex_t default_white_tex = {
.width = 1,
.height = 1,
.format = tex_rgba,
.loaded = 1,
.palette =0,
.data = white_data,
};
static tex_t default_magenta_tex = {
.width = 1,
.height = 1,
.format = tex_rgba,
.loaded = 1,
.palette =0,
.data = magenta_data,
};
void
Vulkan_Texture_Init (vulkan_ctx_t *ctx)
{
qfvPushDebug (ctx, "texture init");
texturectx_t *tctx = calloc (1, sizeof (texturectx_t));
ctx->texture_context = tctx;
tctx->pool = Vulkan_CreateDescriptorPool (ctx, "texture_pool");
tctx->setLayout = Vulkan_CreateDescriptorSetLayout (ctx, "texture_set");
ctx->default_black = Vulkan_LoadTex (ctx, &default_black_tex, 1,
"default_black");
ctx->default_white = Vulkan_LoadTex (ctx, &default_white_tex, 1,
"default_white");
ctx->default_magenta = Vulkan_LoadTex (ctx, &default_magenta_tex, 1,
"default_magenta");
qfv_tex_t *tex;
tex = ctx->default_magenta_array = malloc (sizeof (qfv_tex_t));
tex->memory = 0;
tex->image = 0;
tex->view = QFV_CreateImageView (ctx->device, ctx->default_magenta->image,
VK_IMAGE_VIEW_TYPE_2D_ARRAY,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT);
qfvPopDebug (ctx);
}
void
Vulkan_Texture_Shutdown (vulkan_ctx_t *ctx)
{
Vulkan_UnloadTex (ctx, ctx->default_black);
Vulkan_UnloadTex (ctx, ctx->default_white);
Vulkan_UnloadTex (ctx, ctx->default_magenta);
Vulkan_UnloadTex (ctx, ctx->default_magenta_array);
}
static VkDescriptorImageInfo base_image_info = {
.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
};
static VkWriteDescriptorSet base_image_write = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
};
VkDescriptorSet
Vulkan_CreateCombinedImageSampler (vulkan_ctx_t *ctx, VkImageView view,
VkSampler sampler)
{
qfvPushDebug (ctx, "Vulkan_CreateCombinedImageSampler");
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
texturectx_t *tctx = ctx->texture_context;
//FIXME kinda dumb
__auto_type layouts = QFV_AllocDescriptorSetLayoutSet (1, alloca);
for (size_t i = 0; i < layouts->size; i++) {
layouts->a[i] = tctx->setLayout;
}
__auto_type sets = QFV_AllocateDescriptorSet (device, tctx->pool, layouts);
VkDescriptorSet descriptor = sets->a[0];
free (sets);
VkDescriptorImageInfo imageInfo[1];
imageInfo[0] = base_image_info;
imageInfo[0].sampler = sampler;
imageInfo[0].imageView = view;
VkWriteDescriptorSet write[1];
write[0] = base_image_write;
write[0].dstSet = descriptor;
write[0].pImageInfo = imageInfo;
dfunc->vkUpdateDescriptorSets (device->dev, 1, write, 0, 0);
qfvPopDebug (ctx);
return descriptor;
}
VkDescriptorSet
Vulkan_CreateTextureDescriptor (vulkan_ctx_t *ctx, qfv_tex_t *tex,
VkSampler sampler)
{
return Vulkan_CreateCombinedImageSampler (ctx, tex->view, sampler);
}
void
Vulkan_FreeTexture (vulkan_ctx_t *ctx, VkDescriptorSet texture)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
texturectx_t *tctx = ctx->texture_context;
dfunc->vkFreeDescriptorSets (device->dev, tctx->pool, 1, &texture);
}