mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-15 09:21:33 +00:00
3132aa91a8
The sky texture is loaded with black's alpha set to 0. While this does hit both layers, the screen is cleared to black so it shouldn't be a problem (and will allow having a skybox behind the sheets).
303 lines
8.1 KiB
C
303 lines
8.1 KiB
C
/*
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vulkan_texuture.c
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Quake specific Vulkan texuture manager
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Copyright (C) 2021 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_MATH_H
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# include <math.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/alloc.h"
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#include "QF/cvar.h"
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#include "QF/dstring.h"
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#include "QF/hash.h"
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#include "QF/image.h"
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#include "QF/mathlib.h"
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#include "QF/qfplist.h"
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#include "QF/quakefs.h"
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#include "QF/render.h"
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#include "QF/sys.h"
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#include "QF/Vulkan/qf_vid.h"
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#include "QF/Vulkan/qf_texture.h"
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#include "QF/Vulkan/barrier.h"
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#include "QF/Vulkan/buffer.h"
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#include "QF/Vulkan/command.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/image.h"
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#include "QF/Vulkan/instance.h"
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#include "QF/Vulkan/scrap.h"
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#include "QF/Vulkan/staging.h"
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#include "r_scrap.h"
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#include "vid_vulkan.h"
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static int
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ilog2 (unsigned x)
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{
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if (x > 0x7fffffff) {
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// avoid overflow
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return 31;
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}
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x--;
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x |= x >> 1;
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x |= x >> 2;
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x |= x >> 4;
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x |= x >> 8;
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x |= x >> 16;
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x++;
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int y = 0;
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y |= ((x & 0xffff0000) != 0) << 4;
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y |= ((x & 0xff00ff00) != 0) << 3;
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y |= ((x & 0xf0f0f0f0) != 0) << 2;
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y |= ((x & 0xcccccccc) != 0) << 1;
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y |= ((x & 0xaaaaaaaa) != 0) << 0;
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return y;
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}
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void
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Vulkan_ExpandPalette (byte *dst, const byte *src, const byte *palette,
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int alpha, int count)
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{
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if (alpha > 1) {
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while (count-- > 0) {
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int pix = *src++;
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const byte *col = palette + pix * 4;
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*dst++ = *col++;
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*dst++ = *col++;
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*dst++ = *col++;
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*dst++ = *col++;
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}
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} else if (alpha) {
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while (count-- > 0) {
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byte pix = *src++;
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const byte *col = palette + pix * 3;
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*dst++ = *col++;
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*dst++ = *col++;
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*dst++ = *col++;
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*dst++ = 0xff;
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}
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} else {
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while (count-- > 0) {
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byte pix = *src++;
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const byte *col = palette + pix * 3;
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*dst++ = *col++;
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*dst++ = *col++;
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*dst++ = *col++;
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}
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}
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}
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qfv_tex_t *
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Vulkan_LoadTex (vulkan_ctx_t *ctx, tex_t *tex, int mip)
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{
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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int bpp = 0;
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VkFormat format = VK_FORMAT_UNDEFINED;
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switch (tex->format) {
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case tex_l:
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case tex_a:
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format = VK_FORMAT_R8_UNORM;
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bpp = 1;
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break;
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case tex_la:
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format = VK_FORMAT_R8G8_UNORM;
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bpp = 2;
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break;
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case tex_palette:
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if (!tex->palette) {
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return 0;
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}
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format = VK_FORMAT_R8G8B8_UNORM;
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bpp = 3;
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break;
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case tex_rgb:
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format = VK_FORMAT_R8G8B8_UNORM;
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bpp = 3;
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break;
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case tex_rgba:
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format = VK_FORMAT_R8G8B8A8_UNORM;
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bpp = 4;
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break;
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case tex_frgba:
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format = VK_FORMAT_R32G32B32A32_SFLOAT;
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bpp = 16;
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break;
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}
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if (format == VK_FORMAT_UNDEFINED) {
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return 0;
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}
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if (mip) {
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mip = ilog2 (max (tex->width, tex->height)) + 1;
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} else {
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mip = 1;
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}
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//qfv_devfuncs_t *dfunc = device->funcs;
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//FIXME this whole thing is ineffiecient, especially for small textures
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qfv_tex_t *qtex = malloc (sizeof (qfv_tex_t));
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VkExtent3D extent = { tex->width, tex->height, 1 };
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qtex->image = QFV_CreateImage (device, 0, VK_IMAGE_TYPE_2D, format, extent,
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mip, 1, VK_SAMPLE_COUNT_1_BIT,
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VK_IMAGE_USAGE_TRANSFER_DST_BIT
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| VK_IMAGE_USAGE_SAMPLED_BIT);
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qtex->memory = QFV_AllocImageMemory (device, qtex->image,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
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0, 0);
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QFV_BindImageMemory (device, qtex->image, qtex->memory, 0);
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qtex->view = QFV_CreateImageView (device, qtex->image,
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VK_IMAGE_VIEW_TYPE_2D,
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VK_FORMAT_R8G8B8A8_UNORM,
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VK_IMAGE_ASPECT_COLOR_BIT);
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size_t bytes = bpp * tex->width * tex->height;
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qfv_packet_t *packet = QFV_PacketAcquire (ctx->staging);
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byte *tex_data = QFV_PacketExtend (packet, bytes);
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if (tex->format == tex_palette) {
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Vulkan_ExpandPalette (tex_data, tex->data, tex->palette,
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0, tex->width * tex->height);
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} else {
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memcpy (tex_data, tex->data, bytes);
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}
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VkImageMemoryBarrier barrier;
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qfv_pipelinestagepair_t stages;
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stages = imageLayoutTransitionStages[qfv_LT_Undefined_to_TransferDst];
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barrier = imageLayoutTransitionBarriers[qfv_LT_Undefined_to_TransferDst];
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barrier.image = qtex->image;
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dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst,
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0, 0, 0, 0, 0,
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1, &barrier);
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VkBufferImageCopy copy = {
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packet->offset, 0, 0,
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{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
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{0, 0, 0}, {tex->width, tex->height, 1},
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};
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dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
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qtex->image,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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1, ©);
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barrier.subresourceRange.baseMipLevel = 0;
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stages.src = VK_PIPELINE_STAGE_TRANSFER_BIT;
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stages.dst = VK_PIPELINE_STAGE_TRANSFER_BIT;
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VkImageBlit blit = {
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{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
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{{0, 0, 0}, {tex->width, tex->height, 1}},
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{VK_IMAGE_ASPECT_COLOR_BIT, 1, 0, 1},
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{{0, 0, 0}, {(tex->width + 1) >> 1, (tex->height + 1) >> 1, 1}},
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};
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while (--mip > 0) {
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barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
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barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
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barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
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barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
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dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst, 0,
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0, 0, 0, 0,
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1, &barrier);
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dfunc->vkCmdBlitImage (packet->cmd,
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qtex->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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qtex->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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1, &blit, VK_FILTER_LINEAR);
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barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
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barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
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barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
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dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst, 0,
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0, 0, 0, 0,
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1, &barrier);
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blit.srcSubresource.mipLevel++;
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blit.srcOffsets[1].x = blit.dstOffsets[1].x;
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blit.srcOffsets[1].y = blit.dstOffsets[1].y;
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blit.dstSubresource.mipLevel++;
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blit.dstOffsets[1].x = (blit.dstOffsets[1].x + 1) >> 1;
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blit.dstOffsets[1].y = (blit.dstOffsets[1].y + 1) >> 1;
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barrier.subresourceRange.baseMipLevel++;
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}
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stages = imageLayoutTransitionStages[qfv_LT_TransferDst_to_ShaderReadOnly];
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barrier=imageLayoutTransitionBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
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barrier.image = qtex->image;
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dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst,
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0, 0, 0, 0, 0,
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1, &barrier);
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QFV_PacketSubmit (packet);
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return qtex;
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}
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VkImageView
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Vulkan_TexImageView (qfv_tex_t *tex)
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{
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return tex->view;
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}
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void
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Vulkan_UnloadTex (vulkan_ctx_t *ctx, qfv_tex_t *tex)
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{
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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dfunc->vkDestroyImageView (device->dev, tex->view, 0);
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dfunc->vkDestroyImage (device->dev, tex->image, 0);
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dfunc->vkFreeMemory (device->dev, tex->memory, 0);
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free (tex);
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}
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static tex_t default_black_tex = {1, 1, tex_rgba, 1, 0, {0, 0, 0, 0 }};
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static tex_t default_white_tex = {1, 1, tex_rgba, 1, 0, {255, 255, 255, 255 }};
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static tex_t default_magenta_tex = {1, 1, tex_rgba, 1, 0, {255, 0, 255, 255 }};
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void
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Vulkan_Texture_Init (vulkan_ctx_t *ctx)
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{
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ctx->default_black = Vulkan_LoadTex (ctx, &default_black_tex, 1);
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ctx->default_white = Vulkan_LoadTex (ctx, &default_white_tex, 1);
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ctx->default_magenta = Vulkan_LoadTex (ctx, &default_magenta_tex, 1);
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}
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void
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Vulkan_Texture_Shutdown (vulkan_ctx_t *ctx)
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{
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Vulkan_UnloadTex (ctx, ctx->default_black);
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Vulkan_UnloadTex (ctx, ctx->default_white);
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Vulkan_UnloadTex (ctx, ctx->default_magenta);
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}
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