mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 15:22:04 +00:00
[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.
This commit is contained in:
parent
72f7fcea47
commit
fde1ef0159
10 changed files with 450 additions and 1 deletions
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@ -215,6 +215,7 @@ include_qf_vulkan = \
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include/QF/Vulkan/qf_output.h \
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include/QF/Vulkan/qf_palette.h \
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include/QF/Vulkan/qf_particles.h \
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include/QF/Vulkan/qf_planes.h \
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include/QF/Vulkan/qf_scene.h \
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include/QF/Vulkan/qf_sprite.h \
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include/QF/Vulkan/qf_texture.h \
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62
include/QF/Vulkan/qf_planes.h
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62
include/QF/Vulkan/qf_planes.h
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@ -0,0 +1,62 @@
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/*
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qf_planes.h
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Vulkan debug planes rendering
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Copyright (C) 2023 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2023/7/20
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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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#ifndef __QF_Vulkan_qf_planes_h
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#define __QF_Vulkan_qf_planes_h
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#include "QF/darray.h"
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#include "QF/model.h"
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#include "QF/modelgen.h"
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#include "QF/Vulkan/qf_vid.h"
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#include "QF/Vulkan/command.h"
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typedef struct planes_frame_s {
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VkDescriptorSet descriptor;
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} planes_frame_t;
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typedef struct planes_frameset_s
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DARRAY_TYPE (planes_frame_t) planes_frameset_t;
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typedef struct planesctx_s {
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planes_frameset_t frames;
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VkSampler sampler;
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struct qfv_dsmanager_s *dsmanager;
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struct qfv_resource_s *resources;
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} planesctx_t;
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struct vulkan_ctx_s;
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struct entity_s;
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struct mod_planes_ctx_s;
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struct planes_s;
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void Vulkan_Planes_Init (struct vulkan_ctx_s *ctx);
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void Vulkan_Planes_Setup (struct vulkan_ctx_s *ctx);
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void Vulkan_Planes_Shutdown (struct vulkan_ctx_s *ctx);
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#endif//__QF_Vulkan_qf_planes_h
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@ -49,6 +49,7 @@ typedef struct vulkan_ctx_s {
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struct scenectx_s *scene_context;
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struct palettectx_s *palette_context;
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struct particlectx_s *particle_context;
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struct planesctx_s *planes_context;
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struct spritectx_s *sprite_context;
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struct drawctx_s *draw_context;
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struct lightingctx_s *lighting_context;
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@ -247,6 +247,7 @@ libs_video_renderer_librender_vulkan_la_SOURCES = \
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libs/video/renderer/vulkan/vulkan_output.c \
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libs/video/renderer/vulkan/vulkan_palette.c \
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libs/video/renderer/vulkan/vulkan_particles.c \
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libs/video/renderer/vulkan/vulkan_planes.c \
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libs/video/renderer/vulkan/vulkan_scene.c \
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libs/video/renderer/vulkan/vulkan_sprite.c \
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libs/video/renderer/vulkan/vulkan_texture.c \
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@ -342,6 +343,7 @@ lightingf_c = $(vkshaderpath)/lighting.frag.spvc
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lighting_h = $(vkshaderpath)/lighting.h
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composef_src = $(vkshaderpath)/compose.frag
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composef_c = $(vkshaderpath)/compose.frag.spvc
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infplane = $(vkshaderpath)/infplane.finc
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oit_blend = $(vkshaderpath)/oit_blend.finc
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oit_store = $(vkshaderpath)/oit_store.finc
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oit_h = $(vkshaderpath)/oit.h
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@ -371,6 +373,8 @@ fstriangle_src = $(vkshaderpath)/fstriangle.vert
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fstriangle_c = $(vkshaderpath)/fstriangle.vert.spvc
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fstrianglest_src = $(vkshaderpath)/fstrianglest.vert
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fstrianglest_c = $(vkshaderpath)/fstrianglest.vert.spvc
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gridplane_src = $(vkshaderpath)/gridplane.frag
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gridplane_c = $(vkshaderpath)/gridplane.frag.spvc
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pushcolor_src = $(vkshaderpath)/pushcolor.frag
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pushcolor_c = $(vkshaderpath)/pushcolor.frag.spvc
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fisheye_src = $(vkshaderpath)/fisheye.frag
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@ -461,6 +465,8 @@ $(fstriangle_c): $(fstriangle_src)
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$(fstrianglest_c): $(fstrianglest_src)
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$(gridplane_c): $(infplane) $(gridplane_src)
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$(pushcolor_c): $(pushcolor_src)
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$(fisheye_c): $(fisheye_src) $(matrices_h)
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@ -512,6 +518,7 @@ vkshader_c = \
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$(passthrough_c) \
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$(fstriangle_c) \
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$(fstrianglest_c) \
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$(gridplane_c) \
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$(pushcolor_c) \
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$(shadow_c) \
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$(fisheye_c) \
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@ -552,6 +559,7 @@ EXTRA_DIST += \
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$(rp_main_def_src) \
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$(rp_main_fwd_src) \
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$(smp_quake_src) \
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$(infplane) \
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$(oit_blend) \
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$(oit_store) \
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$(oit_h) \
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@ -602,6 +610,7 @@ EXTRA_DIST += \
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$(passthrough_src) \
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$(fstriangle_src) \
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$(fstrianglest_src) \
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$(gridplane_src) \
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$(pushcolor_src) \
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$(fisheye_src) \
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$(waterwarp_src)
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@ -53,6 +53,7 @@
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#include "QF/Vulkan/qf_output.h"
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#include "QF/Vulkan/qf_palette.h"
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#include "QF/Vulkan/qf_particles.h"
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#include "QF/Vulkan/qf_planes.h"
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#include "QF/Vulkan/qf_scene.h"
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#include "QF/Vulkan/qf_sprite.h"
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#include "QF/Vulkan/qf_texture.h"
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@ -106,6 +107,7 @@ vulkan_R_Init (void)
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Vulkan_Bsp_Init (vulkan_ctx);
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Vulkan_IQM_Init (vulkan_ctx);
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Vulkan_Particles_Init (vulkan_ctx);
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Vulkan_Planes_Init (vulkan_ctx);
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Vulkan_Sprite_Init (vulkan_ctx);
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Vulkan_Draw_Init (vulkan_ctx);
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Vulkan_Lighting_Init (vulkan_ctx);
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@ -128,6 +130,7 @@ vulkan_R_Init (void)
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Vulkan_Compose_Setup (vulkan_ctx);
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Vulkan_Draw_Setup (vulkan_ctx);
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Vulkan_Particles_Setup (vulkan_ctx);
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Vulkan_Planes_Setup (vulkan_ctx);
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Vulkan_Translucent_Setup (vulkan_ctx);
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Vulkan_Lighting_Setup (vulkan_ctx);
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@ -550,6 +553,7 @@ vulkan_vid_render_shutdown (void)
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Vulkan_Lighting_Shutdown (vulkan_ctx);
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Vulkan_Draw_Shutdown (vulkan_ctx);
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Vulkan_Sprite_Shutdown (vulkan_ctx);
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Vulkan_Planes_Shutdown (vulkan_ctx);
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Vulkan_Particles_Shutdown (vulkan_ctx);
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Vulkan_IQM_Shutdown (vulkan_ctx);
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Vulkan_Bsp_Shutdown (vulkan_ctx);
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@ -557,6 +557,18 @@ properties = {
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};
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};
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};
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gridplane = {
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shader = {
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fragment = {
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stage = fragment;
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name = main;
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module = $builtin/gridplane.frag;
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};
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};
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layout = {
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descriptorSets = (matrix_set, planes_set);
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};
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};
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lighting = {
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shader = {
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vertex_splat = {
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},
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);
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};
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planes_set = {
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bindings = (
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{
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binding = 0;
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descriptorType = storage_buffer;
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descriptorCount = 1;
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stageFlags = fragment;
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},
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);
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};
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sprite_set = {
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bindings = (
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{
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@ -1492,7 +1514,10 @@ renderpasses = {
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emission = shader_read_only_optimal;
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};
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color = {
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output = color_attachment_optimal;
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output = {
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layout = color_attachment_optimal;
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blend = $additive_blend;
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};
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};
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preserve = (depth, normal, position);
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};
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@ -1566,6 +1591,22 @@ renderpasses = {
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rasterization = $debug_poly_lines;
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depthStencil = $depth_disable;
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};
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debug_planes = {
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@inherit = $compose_base;
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disabled = true;
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color = $color.lights;
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tasks = (
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{ func = debug_planes_draw; },
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);
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stages = (
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$fstriangle.shader.vertexst,
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$gridplane.shader.fragment,
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);
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layout = $gridplane.layout;
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depthStencil = $depth_disable;
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};
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};
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};
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};
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@ -127,6 +127,8 @@ static
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static
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#include "libs/video/renderer/vulkan/shader/fstrianglest.vert.spvc"
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static
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#include "libs/video/renderer/vulkan/shader/gridplane.frag.spvc"
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static
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#include "libs/video/renderer/vulkan/shader/pushcolor.frag.spvc"
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static
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#include "libs/video/renderer/vulkan/shader/fisheye.frag.spvc"
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@ -184,6 +186,7 @@ static shaderdata_t builtin_shaders[] = {
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{ "passthrough.vert", passthrough_vert, sizeof (passthrough_vert) },
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{ "fstriangle.vert", fstriangle_vert, sizeof (fstriangle_vert) },
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{ "fstrianglest.vert", fstrianglest_vert, sizeof (fstrianglest_vert) },
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{ "gridplane.frag", gridplane_frag, sizeof (gridplane_frag) },
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{ "pushcolor.frag", pushcolor_frag, sizeof (pushcolor_frag) },
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{ "fisheye.frag", fisheye_frag, sizeof (fisheye_frag) },
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{ "waterwarp.frag", waterwarp_frag, sizeof (waterwarp_frag) },
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70
libs/video/renderer/vulkan/shader/gridplane.frag
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70
libs/video/renderer/vulkan/shader/gridplane.frag
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#version 450
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#extension GL_GOOGLE_include_directive : enable
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#extension GL_EXT_multiview : enable
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#include "infplane.finc"
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layout (set = 0, binding = 0) uniform
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#include "matrices.h"
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;
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struct PlaneData {
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mat3x4 p;
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vec4 scolor;
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vec4 tcolor;
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};
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layout (set = 1, binding = 0) buffer Planes {
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int numPlanes;
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PlaneData planes[];
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};
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layout (location = 0) in vec2 uv;
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layout (location = 0) out vec4 frag_color;
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const float N = 128.0; // grid ratio
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vec3 gridTextureGradBox( in vec2 p, in vec2 ddx, in vec2 ddy )
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{
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// filter kernel
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vec2 w = max(abs(ddx), abs(ddy)) + 0.01;
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// analytic (box) filtering
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vec2 a = p + 0.5*w + vec2(0.5/N);
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vec2 b = p - 0.5*w + vec2(0.5/N);
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vec2 i = (floor(a)+min(fract(a)*N,1.0)-
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floor(b)-min(fract(b)*N,1.0))/(N*w);
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//pattern
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return vec3(1 - (1.0-i.x)*(1.0-i.y), i.x, i.y);
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}
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void
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main (void)
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{
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mat4 p = inverse (View[gl_ViewIndex]);
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mat3 cam = mat3(vec3(p[0]) / Projection3d[0][0],
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vec3(p[1]) / Projection3d[1][1],
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vec3(p[2]));
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vec4 c = vec4(0);
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vec2 UV = 2 * uv - vec2(1,1);
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for (int i = 0; i < numPlanes; i++) {
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vec4 pst = plane_st (mat3(planes[i].p), cam, vec3(UV, 1));
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vec2 st = pst.xy;
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vec2 ddx_st = dFdx (st);
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vec2 ddy_st = dFdy (st);
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bool d = pst.w * planes[i].p[0][3] > 0;
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if (!d) continue;
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vec3 g = gridTextureGradBox(st, ddx_st, ddy_st);
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float c1 = abs(st.y) < 0.5 ? g[2] : 0;
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float c2 = abs(st.x) < 0.5 ? g[1] : 0;
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float c0 = g[0] * (1 - c1) * (1 - c2);
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c += vec4(1) * c0 + planes[i].scolor * c1 + planes[i].tcolor * c2;
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//st = fract(st);
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//st = st - st * st;
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//float s = st.x * st.y;
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//s = 20 * (0.05 - s);
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//s = max (s, 0);
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//c += pst.w * planes[i][0][3] > 0 ? s * vec4(1,1,1,0.4): vec4(0);
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}
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frag_color = c;
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}
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5
libs/video/renderer/vulkan/shader/infplane.finc
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5
libs/video/renderer/vulkan/shader/infplane.finc
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vec4 plane_st (mat3 plane, mat3 cam, vec3 vec)
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{
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vec3 i = plane * (cam * vec);
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return vec4 (i/i.z, i.z);
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}
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253
libs/video/renderer/vulkan/vulkan_planes.c
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253
libs/video/renderer/vulkan/vulkan_planes.c
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@ -0,0 +1,253 @@
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/*
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vulkan_planes.c
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Vulkan debug planes pipeline
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Copyright (C) 2023 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2023/7/20
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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.
|
||||
|
||||
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
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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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#include <string.h>
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#include "QF/simd/types.h"
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#include "QF/va.h"
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#include "QF/Vulkan/qf_matrices.h"
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#include "QF/Vulkan/qf_planes.h"
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#include "QF/Vulkan/barrier.h"
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#include "QF/Vulkan/debug.h"
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#include "QF/Vulkan/descriptor.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/dsmanager.h"
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#include "QF/Vulkan/instance.h"
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#include "QF/Vulkan/resource.h"
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#include "QF/Vulkan/render.h"
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#include "QF/Vulkan/staging.h"
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#include "r_internal.h"
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#include "vid_vulkan.h"
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typedef struct {
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vec4f_t p[3];
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vec4f_t scolor;
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vec4f_t tcolor;
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} qfv_plane_t;
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typedef struct {
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int num_planes;
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qfv_plane_t planes[64];
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} qfv_planebuf_t;
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static qfv_plane_t
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make_plane (vec4f_t s, vec4f_t t, vec4f_t scolor, vec4f_t tcolor)
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{
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vec4f_t n = crossf (s, t);
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vec4f_t d = -r_refdef.camera[3];
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vec4f_t S = dotf (t, t) * s - dotf (s, t) * t;
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vec4f_t T = dotf (s, s) * t - dotf (s, t) * s;
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vec4f_t dn = dotf (d, n);
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vec4f_t Sd = dotf (S, d);
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||||
vec4f_t Td = dotf (T, d);
|
||||
vec4f_t SS = dn * S - Sd * n;
|
||||
vec4f_t TT = dn * T - Td * n;
|
||||
vec4f_t nn = dotf (n, n) * n;
|
||||
|
||||
return (qfv_plane_t) {
|
||||
.p = {
|
||||
{SS[0], TT[0], nn[0], dn[0]},
|
||||
{SS[1], TT[1], nn[1], 0},
|
||||
{SS[2], TT[2], nn[2], 0},
|
||||
},
|
||||
.scolor = scolor,
|
||||
.tcolor = tcolor,
|
||||
};
|
||||
}
|
||||
|
||||
static void
|
||||
debug_planes_draw (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
|
||||
{
|
||||
auto taskctx = (qfv_taskctx_t *) ectx;
|
||||
auto ctx = taskctx->ctx;
|
||||
auto device = ctx->device;
|
||||
auto dfunc = device->funcs;
|
||||
|
||||
auto pctx = ctx->planes_context;
|
||||
auto pframe = &pctx->frames.a[ctx->curFrame];
|
||||
auto layout = taskctx->pipeline->layout;
|
||||
auto cmd = taskctx->cmd;
|
||||
|
||||
auto packet = QFV_PacketAcquire (ctx->staging);
|
||||
qfv_planebuf_t *planes = QFV_PacketExtend (packet, sizeof (qfv_planebuf_t));
|
||||
vec4f_t x = {256, 0, 0, 0};
|
||||
vec4f_t y = {0, 256, 0, 0};
|
||||
vec4f_t z = {0, 0, 256, 0};
|
||||
vec4f_t r = {1, 0, 0, 1 };
|
||||
vec4f_t g = {0, 1, 0, 1 };
|
||||
vec4f_t b = {0, 0, 1, 1 };
|
||||
*planes = (qfv_planebuf_t) {
|
||||
.num_planes = 3,
|
||||
.planes[0] = make_plane (x, y, r, g),
|
||||
.planes[1] = make_plane (y, z, g, b),
|
||||
.planes[2] = make_plane (z, x, b, r),
|
||||
};
|
||||
auto buffer = &pctx->resources->objects[ctx->curFrame].buffer;
|
||||
auto bb = &bufferBarriers[qfv_BB_TransferWrite_to_UniformRead];
|
||||
QFV_PacketCopyBuffer (packet, buffer->buffer, 0, bb);
|
||||
QFV_PacketSubmit (packet);
|
||||
|
||||
VkDescriptorSet sets[] = {
|
||||
Vulkan_Matrix_Descriptors (ctx, ctx->curFrame),
|
||||
pframe->descriptor,
|
||||
};
|
||||
dfunc->vkCmdBindDescriptorSets (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
|
||||
layout, 0, 2, sets, 0, 0);
|
||||
dfunc->vkCmdDraw (cmd, 3, 1, 0, 0);
|
||||
}
|
||||
|
||||
static exprtype_t *debug_planes_draw_params[] = {
|
||||
&cexpr_int,
|
||||
};
|
||||
static exprfunc_t debug_planes_draw_func[] = {
|
||||
{ .func = debug_planes_draw, .num_params = 1, .param_types = debug_planes_draw_params },
|
||||
{}
|
||||
};
|
||||
static exprsym_t debug_planes_task_syms[] = {
|
||||
{ "debug_planes_draw", &cexpr_function, debug_planes_draw_func },
|
||||
{}
|
||||
};
|
||||
|
||||
void
|
||||
Vulkan_Planes_Init (vulkan_ctx_t *ctx)
|
||||
{
|
||||
qfvPushDebug (ctx, "debug planes init");
|
||||
QFV_Render_AddTasks (ctx, debug_planes_task_syms);
|
||||
|
||||
planesctx_t *pctx = calloc (1, sizeof (planesctx_t));
|
||||
ctx->planes_context = pctx;
|
||||
|
||||
qfvPopDebug (ctx);
|
||||
}
|
||||
|
||||
void
|
||||
Vulkan_Planes_Setup (vulkan_ctx_t *ctx)
|
||||
{
|
||||
auto device = ctx->device;
|
||||
auto dfunc = device->funcs;
|
||||
auto pctx = ctx->planes_context;
|
||||
|
||||
auto rctx = ctx->render_context;
|
||||
size_t frames = rctx->frames.size;
|
||||
DARRAY_INIT (&pctx->frames, frames);
|
||||
DARRAY_RESIZE (&pctx->frames, frames);
|
||||
pctx->frames.grow = 0;
|
||||
|
||||
pctx->resources = malloc (sizeof (qfv_resource_t)
|
||||
+ sizeof (qfv_resobj_t[frames]));
|
||||
*pctx->resources = (qfv_resource_t) {
|
||||
.name = "planes",
|
||||
.va_ctx = ctx->va_ctx,
|
||||
.memory_properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
|
||||
.num_objects = frames,
|
||||
.objects = (qfv_resobj_t *) &pctx->resources[1],
|
||||
};
|
||||
for (size_t i = 0; i < frames; i++) {
|
||||
auto obj = &pctx->resources->objects[i];
|
||||
*obj = (qfv_resobj_t) {
|
||||
.name = va (ctx->va_ctx, "planes:%zd", i),
|
||||
.type = qfv_res_buffer,
|
||||
.buffer = {
|
||||
.size = sizeof (qfv_planebuf_t),
|
||||
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT
|
||||
| VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
|
||||
},
|
||||
};
|
||||
}
|
||||
QFV_CreateResource (device, pctx->resources);
|
||||
|
||||
auto packet = QFV_PacketAcquire (ctx->staging);
|
||||
qfv_planebuf_t *planes = QFV_PacketExtend (packet, sizeof (qfv_planebuf_t));
|
||||
*planes = (qfv_planebuf_t) {
|
||||
.num_planes = 3,
|
||||
.planes[0] = {{
|
||||
{1, 0, 0, 0},
|
||||
{0, 1, 0, 0},
|
||||
{0, 0, 1, 0},
|
||||
}},
|
||||
.planes[1] = {{
|
||||
{0, 1, 0, 0},
|
||||
{0, 0, 1, 0},
|
||||
{1, 0, 0, 0},
|
||||
}},
|
||||
.planes[2] = {{
|
||||
{0, 0, 1, 0},
|
||||
{1, 0, 0, 0},
|
||||
{0, 1, 0, 0},
|
||||
}},
|
||||
};
|
||||
for (size_t i = 0; i < frames; i++) {
|
||||
auto buffer = &pctx->resources->objects[i].buffer;
|
||||
auto bb = &bufferBarriers[qfv_BB_TransferWrite_to_UniformRead];
|
||||
QFV_PacketCopyBuffer (packet, buffer->buffer, 0, bb);
|
||||
}
|
||||
QFV_PacketSubmit (packet);
|
||||
|
||||
auto dsmanager = QFV_Render_DSManager (ctx, "planes_set");
|
||||
for (size_t i = 0; i < frames; i++) {
|
||||
auto pframe = &pctx->frames.a[i];
|
||||
auto buffer = &pctx->resources->objects[i].buffer;
|
||||
auto set = QFV_DSManager_AllocSet (dsmanager);
|
||||
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DESCRIPTOR_SET, set,
|
||||
va (ctx->va_ctx, "debug:planes_set:%zd", i));
|
||||
|
||||
pframe->descriptor = set;
|
||||
VkDescriptorBufferInfo bufferInfo[] = {
|
||||
{ buffer->buffer, 0, VK_WHOLE_SIZE },
|
||||
};
|
||||
VkWriteDescriptorSet write[] = {
|
||||
{ VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
|
||||
.dstSet = set,
|
||||
.dstBinding = 0,
|
||||
.descriptorCount = 1,
|
||||
.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
|
||||
.pBufferInfo = bufferInfo,
|
||||
},
|
||||
};
|
||||
dfunc->vkUpdateDescriptorSets (device->dev, 1, write, 0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
Vulkan_Planes_Shutdown (vulkan_ctx_t *ctx)
|
||||
{
|
||||
auto device = ctx->device;
|
||||
auto pctx = ctx->planes_context;
|
||||
|
||||
QFV_DestroyResource (device, pctx->resources);
|
||||
|
||||
free (pctx->frames.a);
|
||||
free (pctx);
|
||||
}
|
Loading…
Reference in a new issue