mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-11 13:21:10 +00:00
8f1de6865f
The OIT heads buffer is only a single-layer image, which breaks cube map rendering, but once this is sorted, it looks like fisheye will work well.
218 lines
5.8 KiB
C
218 lines
5.8 KiB
C
/*
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vid_common_vulkan.c
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Common Vulkan video driver functions
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Copyright (C) 2019 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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#include <string.h>
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#include "QF/cexpr.h"
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#include "QF/cmem.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/heapsort.h"
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#include "QF/plist.h"
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#include "QF/va.h"
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#include "QF/scene/entity.h"
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#include "QF/Vulkan/capture.h"
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#include "QF/Vulkan/command.h"
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#include "QF/Vulkan/debug.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/instance.h"
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#include "QF/Vulkan/staging.h"
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#include "QF/Vulkan/swapchain.h"
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#include "QF/Vulkan/qf_lighting.h"
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#include "QF/Vulkan/qf_main.h"
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#include "QF/Vulkan/qf_output.h"
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#include "QF/Vulkan/qf_particles.h"
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#include "QF/Vulkan/qf_translucent.h"
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#include "QF/Vulkan/qf_vid.h"
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#include "r_internal.h"
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#include "vid_vulkan.h"
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#include "vkparse.h"
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int vulkan_frame_width;
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static cvar_t vulkan_frame_width_cvar = {
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.name = "vulkan_frame_width",
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.description =
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"Width of 3D view buffer. Set to 0 for automatic sizing.",
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.default_value = "0",
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.flags = CVAR_NONE,
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.value = { .type = &cexpr_int, .value = &vulkan_frame_width },
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};
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int vulkan_frame_height;
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static cvar_t vulkan_frame_height_cvar = {
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.name = "vulkan_frame_height",
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.description =
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"Height of 3D view buffer. Set to 0 for automatic sizing.",
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.default_value = "0",
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.flags = CVAR_NONE,
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.value = { .type = &cexpr_int, .value = &vulkan_frame_height },
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};
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int vulkan_oit_fragments;
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static cvar_t vulkan_oit_fragments_cvar = {
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.name = "vulkan_oit_fragments",
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.description =
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"Size of fragment buffer (M) for order independent transparency.",
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.default_value = "16",
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.flags = CVAR_ROM,
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.value = { .type = &cexpr_int, .value = &vulkan_oit_fragments },
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};
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static const char *instance_extensions[] = {
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VK_KHR_SURFACE_EXTENSION_NAME,
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VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
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0,
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};
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static const char *device_extensions[] = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME,
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0,
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};
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void
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Vulkan_Init_Common (vulkan_ctx_t *ctx)
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{
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Sys_MaskPrintf (SYS_vulkan, "Vulkan_Init_Common\n");
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Cvar_Register (&vulkan_frame_width_cvar, 0, 0);
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Cvar_Register (&vulkan_frame_height_cvar, 0, 0);
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Cvar_Register (&vulkan_oit_fragments_cvar, 0, 0);
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Vulkan_Init_Cvars ();
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R_Init_Cvars ();
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Vulkan_Script_Init (ctx);
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ctx->instance = QFV_CreateInstance (ctx, PACKAGE_STRING, 0x000702ff, 0,
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instance_extensions);//FIXME version
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DARRAY_INIT (&ctx->renderPasses, 4);
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}
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void
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Vulkan_Shutdown_Common (vulkan_ctx_t *ctx)
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{
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if (ctx->swapchain) {
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QFV_DestroySwapchain (ctx->swapchain);
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}
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ctx->instance->funcs->vkDestroySurfaceKHR (ctx->instance->instance,
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ctx->surface, 0);
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Vulkan_Script_Shutdown (ctx);
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if (ctx->device) {
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QFV_DestroyDevice (ctx->device);
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}
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if (ctx->instance) {
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QFV_DestroyInstance (ctx->instance);
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}
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ctx->instance = 0;
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ctx->unload_vulkan (ctx);
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}
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void
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Vulkan_CreateDevice (vulkan_ctx_t *ctx)
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{
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ctx->device = QFV_CreateDevice (ctx, device_extensions);
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//FIXME msaa and deferred rendering...
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//also, location
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ctx->msaaSamples = 1;
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/*ctx->msaaSamples = min ((VkSampleCountFlagBits) msaaSamples,
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QFV_GetMaxSampleCount (device->physDev));
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if (ctx->msaaSamples > 1) {
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name = "renderpass_msaa";
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}*/
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}
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void
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Vulkan_CreateStagingBuffers (vulkan_ctx_t *ctx)
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{
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// FIXME configurable?
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ctx->staging = QFV_CreateStagingBuffer (ctx->device, "vulkan_ctx",
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32*1024*1024, ctx->cmdpool);
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}
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void
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Vulkan_CreateSwapchain (vulkan_ctx_t *ctx)
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{
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VkSwapchainKHR old_swapchain = 0;
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if (ctx->swapchain) {
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//FIXME this shouldn't be here
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qfv_device_t *device = ctx->swapchain->device;
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VkDevice dev = device->dev;
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qfv_devfuncs_t *dfunc = device->funcs;
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old_swapchain = ctx->swapchain->swapchain;
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for (size_t i = 0; i < ctx->swapchain->imageViews->size; i++) {
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dfunc->vkDestroyImageView(dev, ctx->swapchain->imageViews->a[i], 0);
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}
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free (ctx->swapchain->images);
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free (ctx->swapchain->imageViews);
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free (ctx->swapchain);
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}
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ctx->swapchain = QFV_CreateSwapchain (ctx, old_swapchain);
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}
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void
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Vulkan_BeginEntityLabel (vulkan_ctx_t *ctx, VkCommandBuffer cmd, entity_t ent)
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{
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qfv_device_t *device = ctx->device;
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uint32_t entgen = Ent_Generation (ent.id);
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uint32_t entind = Ent_Index (ent.id);
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transform_t transform = Entity_Transform (ent);
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vec4f_t pos = Transform_GetWorldPosition (transform);
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vec4f_t dir = normalf (pos - (vec4f_t) { 0, 0, 0, 1 });
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vec4f_t color = 0.5 * dir + (vec4f_t) {0.5, 0.5, 0.5, 1 };
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QFV_CmdBeginLabel (device, cmd,
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va (ctx->va_ctx, "ent %03x.%05x [%g, %g, %g]",
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entgen, entind, VectorExpand (pos)), color);
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}
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void
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Vulkan_ConfigOutput (vulkan_ctx_t *ctx, qfv_output_t *output)
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{
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*output = (qfv_output_t) {
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.extent = ctx->swapchain->extent,
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.frames = ctx->swapchain->numImages,
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};
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if (vulkan_frame_width > 0) {
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output->extent.width = vulkan_frame_width;
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}
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if (vulkan_frame_height > 0) {
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output->extent.height = vulkan_frame_height;
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}
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if (scr_fisheye) {//FIXME
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auto w = output->extent.width;
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auto h = output->extent.height;
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output->extent.width = min (w, h);
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output->extent.height = min (w, h);
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}
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}
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