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quakeforge/libs/video/renderer/vulkan/shader.c
Bill Currie fde1ef0159 [vulkan] Add infinite plane rendering 
The grid calculations are modified from those of Inigo Quilez
(https://iquilezles.org/articles/filterableprocedurals/), but give very
nice results: when thin enough, the lines fade out nicely instead of
producing crazy moire patterns. Though currently disabled, the default
planes are the xy, yz and zx planes with colored axes.
2023-07-21 11:59:25 +09:00

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/*
shader.c
Vulkan shader manager
Copyright (C) 2020 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
#include <string.h>
#include "QF/dstring.h"
#include "QF/quakefs.h"
#include "QF/sys.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/shader.h"
static
#include "libs/video/renderer/vulkan/shader/slice.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/line.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/line.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/particle.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/particle.geom.spvc"
static
#include "libs/video/renderer/vulkan/shader/particle.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/partphysics.comp.spvc"
static
#include "libs/video/renderer/vulkan/shader/partupdate.comp.spvc"
static
#include "libs/video/renderer/vulkan/shader/sprite.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/sprite_gbuf.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/sprite_gbuf.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/sprite_depth.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/sprite_depth.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/twod_depth.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/twod.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/twod.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/quakebsp.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/quakebsp.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_depth.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_gbuf.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_gbuf.geom.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_gbuf.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_shadow.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_sky.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/bsp_turb.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/debug.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/light_flat.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/light_splat.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/light_splat.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/light_debug.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/lighting.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/compose.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/alias.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/alias_depth.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/alias.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/alias_gbuf.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/alias_shadow.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/iqm.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/iqm.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/iqm_fwd.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/output.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/passthrough.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/fstriangle.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/fstrianglest.vert.spvc"
static
#include "libs/video/renderer/vulkan/shader/gridplane.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/pushcolor.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/fisheye.frag.spvc"
static
#include "libs/video/renderer/vulkan/shader/waterwarp.frag.spvc"
typedef struct shaderdata_s {
const char *name;
const uint32_t *data;
size_t size;
} shaderdata_t;
static shaderdata_t builtin_shaders[] = {
{ "slice.vert", slice_vert, sizeof (slice_vert) },
{ "line.vert", line_vert, sizeof (line_vert) },
{ "line.frag", line_frag, sizeof (line_frag) },
{ "particle.vert", particle_vert, sizeof (particle_vert) },
{ "particle.geom", particle_geom, sizeof (particle_geom) },
{ "particle.frag", particle_frag, sizeof (particle_frag) },
{ "partphysics.comp", partphysics_comp, sizeof (partphysics_comp) },
{ "partupdate.comp", partupdate_comp, sizeof (partupdate_comp) },
{ "sprite.frag", sprite_frag, sizeof (sprite_frag) },
{ "sprite_gbuf.vert", sprite_gbuf_vert, sizeof (sprite_gbuf_vert) },
{ "sprite_gbuf.frag", sprite_gbuf_frag, sizeof (sprite_gbuf_frag) },
{ "sprite_depth.vert", sprite_depth_vert, sizeof (sprite_depth_vert) },
{ "sprite_depth.frag", sprite_depth_frag, sizeof (sprite_depth_frag) },
{ "twod_depth.frag", twod_depth_frag, sizeof (twod_depth_frag) },
{ "twod.vert", twod_vert, sizeof (twod_vert) },
{ "twod.frag", twod_frag, sizeof (twod_frag) },
{ "quakebsp.vert", quakebsp_vert, sizeof (quakebsp_vert) },
{ "quakebsp.frag", quakebsp_frag, sizeof (quakebsp_frag) },
{ "bsp_depth.vert", bsp_depth_vert, sizeof (bsp_depth_vert) },
{ "bsp_gbuf.vert", bsp_gbuf_vert, sizeof (bsp_gbuf_vert) },
{ "bsp_gbuf.geom", bsp_gbuf_geom, sizeof (bsp_gbuf_geom) },
{ "bsp_gbuf.frag", bsp_gbuf_frag, sizeof (bsp_gbuf_frag) },
{ "bsp_shadow.vert", bsp_shadow_vert, sizeof (bsp_shadow_vert) },
{ "bsp_sky.frag", bsp_sky_frag, sizeof (bsp_sky_frag) },
{ "bsp_turb.frag", bsp_turb_frag, sizeof (bsp_turb_frag) },
{ "debug.frag", debug_frag, sizeof (debug_frag) },
{ "light_flat.vert", light_flat_vert, sizeof (light_flat_vert) },
{ "light_splat.vert", light_splat_vert, sizeof (light_splat_vert) },
{ "light_splat.frag", light_splat_frag, sizeof (light_splat_frag) },
{ "light_debug.frag", light_debug_frag, sizeof (light_debug_frag) },
{ "lighting.frag", lighting_frag, sizeof (lighting_frag) },
{ "compose.frag", compose_frag, sizeof (compose_frag) },
{ "alias.vert", alias_vert, sizeof (alias_vert) },
{ "alias_depth.vert", alias_depth_vert, sizeof (alias_depth_vert) },
{ "alias.frag", alias_frag, sizeof (alias_frag) },
{ "alias_gbuf.frag", alias_gbuf_frag, sizeof (alias_gbuf_frag) },
{ "alias_shadow.vert", alias_shadow_vert, sizeof (alias_shadow_vert) },
{ "iqm.vert", iqm_vert, sizeof (iqm_vert) },
{ "iqm.frag", iqm_frag, sizeof (iqm_frag) },
{ "iqm_fwd.frag", iqm_fwd_frag, sizeof (iqm_fwd_frag) },
{ "output.frag", output_frag, sizeof (output_frag) },
{ "passthrough.vert", passthrough_vert, sizeof (passthrough_vert) },
{ "fstriangle.vert", fstriangle_vert, sizeof (fstriangle_vert) },
{ "fstrianglest.vert", fstrianglest_vert, sizeof (fstrianglest_vert) },
{ "gridplane.frag", gridplane_frag, sizeof (gridplane_frag) },
{ "pushcolor.frag", pushcolor_frag, sizeof (pushcolor_frag) },
{ "fisheye.frag", fisheye_frag, sizeof (fisheye_frag) },
{ "waterwarp.frag", waterwarp_frag, sizeof (waterwarp_frag) },
{}
};
#define BUILTIN "$builtin/"
#define BUILTIN_SIZE (sizeof (BUILTIN) - 1)
#define SHADER "$shader/"
#define SHADER_SIZE (sizeof (SHADER) - 1)
VkShaderModule
QFV_CreateShaderModule (qfv_device_t *device, const char *shader_path)
{
VkDevice dev = device->dev;
qfv_devfuncs_t *dfunc = device->funcs;
shaderdata_t _data = {};
shaderdata_t *data = 0;
dstring_t *path = 0;
QFile *file = 0;
VkShaderModule shader = 0;
if (strncmp (shader_path, BUILTIN, BUILTIN_SIZE) == 0) {
const char *name = shader_path + BUILTIN_SIZE;
for (int i = 0; builtin_shaders[i].name; i++) {
if (strcmp (builtin_shaders[i].name, name) == 0) {
data = &builtin_shaders[i];
break;
}
}
} else if (strncmp (shader_path, SHADER, SHADER_SIZE)) {
path = dstring_new ();
dsprintf (path, "%s/%s", FS_SHADERPATH, shader_path + SHADER_SIZE);
file = Qopen (path->str, "rbz");
} else {
file = QFS_FOpenFile (shader_path);
}
if (file) {
_data.size = Qfilesize (file);
_data.data = malloc (_data.size);
Qread (file, (void *) _data.data, _data.size);
Qclose (file);
data = &_data;
}
if (data) {
Sys_MaskPrintf (SYS_vulkan,
"QFV_CreateShaderModule: creating shader module %s\n",
shader_path);
VkShaderModuleCreateInfo createInfo = {
VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, 0,
0, data->size, data->data
};
dfunc->vkCreateShaderModule (dev, &createInfo, 0, &shader);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_SHADER_MODULE, shader,
shader_path);
} else {
Sys_MaskPrintf (SYS_vulkan,
"QFV_CreateShaderModule: could not find shader %s\n",
shader_path);
}
if (path) {
dstring_delete (path);
}
if (_data.data) {
free ((void *) _data.data);
}
return shader;
}
void
QFV_DestroyShaderModule (qfv_device_t *device, VkShaderModule module)
{
VkDevice dev = device->dev;
qfv_devfuncs_t *dfunc = device->funcs;
dfunc->vkDestroyShaderModule (dev, module, 0);
}
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