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

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/*
vulkan_sprite.c
Vulkan sprite model pipeline
Copyright (C) 2012 Bill Currie <bill@taniwha.org>
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2012/1/7
Date: 2021/12/14
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_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "qfalloca.h"
#include "QF/cvar.h"
#include "QF/darray.h"
#include "QF/image.h"
#include "QF/render.h"
#include "QF/skin.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/scene/entity.h"
#include "QF/Vulkan/qf_matrices.h"
#include "QF/Vulkan/qf_sprite.h"
#include "QF/Vulkan/qf_texture.h"
#include "QF/Vulkan/buffer.h"
#include "QF/Vulkan/command.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/descriptor.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/renderpass.h"
#include "r_internal.h"
#include "vid_vulkan.h"
static const char * __attribute__((used)) sprite_pass_names[] = {
"depth",
"g-buffer",
"translucent",
};
static QFV_Subpass subpass_map[] = {
QFV_passDepth, // QFV_spriteDepth
QFV_passGBuffer, // QFV_spriteGBuffer
QFV_passTranslucent, // QFV_spriteTranslucent
};
static void
emit_commands (VkCommandBuffer cmd, qfv_sprite_t *sprite,
int numPC, qfv_push_constants_t *constants,
qfv_renderframe_t *rFrame, entity_t *ent)
{
vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
spritectx_t *sctx = ctx->sprite_context;
Vulkan_BeginEntityLabel (ctx, cmd, ent);
QFV_PushConstants (device, cmd, sctx->layout, numPC, constants);
VkDescriptorSet sets[] = {
sprite->descriptors,
};
dfunc->vkCmdBindDescriptorSets (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
sctx->layout, 1, 1, sets, 0, 0);
dfunc->vkCmdDraw (cmd, 4, 1, 0, 0);
QFV_CmdEndLabel (device, cmd);
}
void
Vulkan_DrawSprite (entity_t *ent, qfv_renderframe_t *rFrame)
{
vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
spritectx_t *sctx = ctx->sprite_context;
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spriteframe_t *sframe = &sctx->frames.a[ctx->curFrame];
model_t *model = ent->renderer.model;
msprite_t *sprite = model->cache.data;
animation_t *animation = &ent->animation;
mat4f_t mat = {};
uint32_t frame;
qfv_push_constants_t push_constants[] = {
{ VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof (mat), mat },
{ VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
64, sizeof (frame), &frame },
};
frame = (ptrdiff_t) R_GetSpriteFrame (sprite, animation);
mat[3] = Transform_GetWorldPosition (ent->transform);
vec4f_t cameravec = r_refdef.frame.position - mat[3];
R_BillboardFrame (ent, sprite->type, cameravec,
&mat[2], &mat[1], &mat[0]);
mat[0] = -mat[0];
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emit_commands (sframe->cmdSet.a[QFV_spriteDepth],
(qfv_sprite_t *) ((byte *) sprite + sprite->data),
2, push_constants, rFrame, ent);
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emit_commands (sframe->cmdSet.a[QFV_spriteGBuffer],
(qfv_sprite_t *) ((byte *) sprite + sprite->data),
2, push_constants, rFrame, ent);
}
static void
sprite_begin_subpass (QFV_SpriteSubpass subpass, VkPipeline pipeline,
qfv_renderframe_t *rFrame)
{
vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
spritectx_t *sctx = ctx->sprite_context;
__auto_type cframe = &ctx->frames.a[ctx->curFrame];
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spriteframe_t *sframe = &sctx->frames.a[ctx->curFrame];
VkCommandBuffer cmd = sframe->cmdSet.a[subpass];
dfunc->vkResetCommandBuffer (cmd, 0);
VkCommandBufferInheritanceInfo inherit = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO, 0,
rFrame->renderpass->renderpass, subpass_map[subpass],
cframe->framebuffer,
0, 0, 0,
};
VkCommandBufferBeginInfo beginInfo = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, 0,
VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT
| VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, &inherit,
};
dfunc->vkBeginCommandBuffer (cmd, &beginInfo);
QFV_duCmdBeginLabel (device, cmd, va (ctx->va_ctx, "sprite:%s",
sprite_pass_names[subpass]),
{ 0.6, 0.5, 0, 1});
dfunc->vkCmdBindPipeline (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
VkDescriptorSet sets[] = {
Vulkan_Matrix_Descriptors (ctx, ctx->curFrame),
};
dfunc->vkCmdBindDescriptorSets (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
sctx->layout, 0, 1, sets, 0, 0);
dfunc->vkCmdSetViewport (cmd, 0, 1, &rFrame->renderpass->viewport);
dfunc->vkCmdSetScissor (cmd, 0, 1, &rFrame->renderpass->scissor);
//XXX glsl_Fog_GetColor (fog);
//XXX fog[3] = glsl_Fog_GetDensity () / 64.0;
}
static void
sprite_end_subpass (VkCommandBuffer cmd, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
QFV_duCmdEndLabel (device, cmd);
dfunc->vkEndCommandBuffer (cmd);
}
void
Vulkan_SpriteBegin (qfv_renderframe_t *rFrame)
{
vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
spritectx_t *sctx = ctx->sprite_context;
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spriteframe_t *sframe = &sctx->frames.a[ctx->curFrame];
//XXX quat_t fog;
DARRAY_APPEND (&rFrame->subpassCmdSets[QFV_passDepth],
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sframe->cmdSet.a[QFV_spriteDepth]);
DARRAY_APPEND (&rFrame->subpassCmdSets[QFV_passGBuffer],
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sframe->cmdSet.a[QFV_spriteGBuffer]);
sprite_begin_subpass (QFV_spriteDepth, sctx->depth, rFrame);
sprite_begin_subpass (QFV_spriteGBuffer, sctx->gbuf, rFrame);
}
void
Vulkan_SpriteEnd (qfv_renderframe_t *rFrame)
{
vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
spritectx_t *sctx = ctx->sprite_context;
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spriteframe_t *sframe = &sctx->frames.a[ctx->curFrame];
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sprite_end_subpass (sframe->cmdSet.a[QFV_spriteDepth], ctx);
sprite_end_subpass (sframe->cmdSet.a[QFV_spriteGBuffer], ctx);
}
static VkDescriptorBufferInfo base_buffer_info = {
.range = VK_WHOLE_SIZE,
};
static VkDescriptorImageInfo base_image_info = {
.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
};
static VkWriteDescriptorSet base_buffer_write = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
};
static VkWriteDescriptorSet base_image_write = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = 1,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
};
void
Vulkan_Sprite_DescriptorSet (vulkan_ctx_t *ctx, qfv_sprite_t *sprite)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
spritectx_t *sctx = ctx->sprite_context;
//FIXME kinda dumb
__auto_type layouts = QFV_AllocDescriptorSetLayoutSet (1, alloca);
for (size_t i = 0; i < layouts->size; i++) {
layouts->a[i] = sctx->setLayout;
}
__auto_type sets = QFV_AllocateDescriptorSet (device, sctx->pool, layouts);
sprite->descriptors = sets->a[0];
free (sets);
VkDescriptorBufferInfo bufferInfo[1];
bufferInfo[0] = base_buffer_info;
bufferInfo[0].buffer = sprite->verts;
VkDescriptorImageInfo imageInfo[1];
imageInfo[0] = base_image_info;
imageInfo[0].sampler = sctx->sampler;
imageInfo[0].imageView = sprite->view;
VkWriteDescriptorSet write[2];
write[0] = base_buffer_write;
write[0].dstSet = sprite->descriptors;
write[0].pBufferInfo = bufferInfo;
write[1] = base_image_write;
write[1].dstSet = sprite->descriptors;
write[1].pImageInfo = imageInfo;
dfunc->vkUpdateDescriptorSets (device->dev, 2, write, 0, 0);
}
void
Vulkan_Sprint_FreeDescriptors (vulkan_ctx_t *ctx, qfv_sprite_t *sprite)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
spritectx_t *sctx = ctx->sprite_context;
dfunc->vkFreeDescriptorSets (device->dev, sctx->pool, 1,
&sprite->descriptors);
}
void
Vulkan_Sprite_Init (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfvPushDebug (ctx, "sprite init");
spritectx_t *sctx = calloc (1, sizeof (spritectx_t));
ctx->sprite_context = sctx;
size_t frames = ctx->frames.size;
DARRAY_INIT (&sctx->frames, frames);
DARRAY_RESIZE (&sctx->frames, frames);
sctx->frames.grow = 0;
sctx->depth = Vulkan_CreateGraphicsPipeline (ctx, "sprite_depth");
sctx->gbuf = Vulkan_CreateGraphicsPipeline (ctx, "sprite_gbuf");
sctx->layout = Vulkan_CreatePipelineLayout (ctx, "sprite_layout");
sctx->sampler = Vulkan_CreateSampler (ctx, "sprite_sampler");
sctx->pool = Vulkan_CreateDescriptorPool (ctx, "sprite_pool");
sctx->setLayout = Vulkan_CreateDescriptorSetLayout (ctx, "sprite_set");
for (size_t i = 0; i < frames; i++) {
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__auto_type sframe = &sctx->frames.a[i];
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DARRAY_INIT (&sframe->cmdSet, QFV_spriteNumPasses);
DARRAY_RESIZE (&sframe->cmdSet, QFV_spriteNumPasses);
sframe->cmdSet.grow = 0;
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QFV_AllocateCommandBuffers (device, ctx->cmdpool, 1, &sframe->cmdSet);
for (int j = 0; j < QFV_spriteNumPasses; j++) {
QFV_duSetObjectName (device, VK_OBJECT_TYPE_COMMAND_BUFFER,
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sframe->cmdSet.a[j],
va (ctx->va_ctx, "cmd:sprite:%zd:%s", i,
sprite_pass_names[j]));
}
}
qfvPopDebug (ctx);
}
void
Vulkan_Sprite_Shutdown (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
spritectx_t *sctx = ctx->sprite_context;
for (size_t i = 0; i < sctx->frames.size; i++) {
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__auto_type sframe = &sctx->frames.a[i];
free (sframe->cmdSet.a);
}
dfunc->vkDestroyPipeline (device->dev, sctx->depth, 0);
dfunc->vkDestroyPipeline (device->dev, sctx->gbuf, 0);
free (sctx->frames.a);
free (sctx);
}