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xash3d-fwgs
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xash3d-fwgs/ref/vk/vk_render.c

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#include "vk_render.h"
#include "vk_core.h"
#include "vk_buffer.h"
#include "vk_geometry.h"
#include "vk_staging.h"
#include "vk_const.h"
#include "vk_common.h"
#include "vk_cvar.h"
#include "vk_pipeline.h"
#include "vk_textures.h"
#include "vk_math.h"
#include "vk_rtx.h"
#include "vk_descriptor.h"
#include "vk_framectl.h" // FIXME needed for dynamic models cmdbuf
#include "alolcator.h"
#include "profiler.h"
#include "r_speeds.h"
#include "camera.h"
#include "eiface.h"
#include "xash3d_mathlib.h"
#include "protocol.h" // MAX_DLIGHTS
#include "xash3d_types.h"
#include <memory.h>
#define MODULE_NAME "render"
#define MAX_UNIFORM_SLOTS (MAX_SCENE_ENTITIES * 2 /* solid + trans */ + 1)
#define PROFILER_SCOPES(X) \
X(renderbegin, "VK_RenderBegin"); \
#define SCOPE_DECLARE(scope, name) APROF_SCOPE_DECLARE(scope)
PROFILER_SCOPES(SCOPE_DECLARE)
#undef SCOPE_DECLARE
typedef struct {
matrix4x4 mvp;
vec4_t color;
} uniform_data_t;
static struct {
VkPipelineLayout pipeline_layout;
VkPipeline pipelines[kVkRenderType_COUNT];
vk_buffer_t uniform_buffer;
uint32_t ubo_align;
struct {
int dynamic_model_count;
int models_count;
} stats;
} g_render;
static qboolean createPipelines( void )
{
/* VkPushConstantRange push_const = { */
/* .offset = 0, */
/* .size = sizeof(AVec3f), */
/* .stageFlags = VK_SHADER_STAGE_VERTEX_BIT, */
/* }; */
VkDescriptorSetLayout descriptor_layouts[] = {
vk_desc_fixme.one_uniform_buffer_layout,
vk_desc_fixme.one_texture_layout,
vk_desc_fixme.one_texture_layout,
vk_desc_fixme.one_uniform_buffer_layout,
};
VkPipelineLayoutCreateInfo plci = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.setLayoutCount = ARRAYSIZE(descriptor_layouts),
.pSetLayouts = descriptor_layouts,
/* .pushConstantRangeCount = 1, */
/* .pPushConstantRanges = &push_const, */
};
// FIXME store layout separately
XVK_CHECK(vkCreatePipelineLayout(vk_core.device, &plci, NULL, &g_render.pipeline_layout));
{
struct ShaderSpec {
float alpha_test_threshold;
uint32_t max_dlights;
} spec_data = { .25f, MAX_DLIGHTS };
const VkSpecializationMapEntry spec_map[] = {
{.constantID = 0, .offset = offsetof(struct ShaderSpec, alpha_test_threshold), .size = sizeof(float) },
{.constantID = 1, .offset = offsetof(struct ShaderSpec, max_dlights), .size = sizeof(uint32_t) },
};
VkSpecializationInfo shader_spec = {
.mapEntryCount = ARRAYSIZE(spec_map),
.pMapEntries = spec_map,
.dataSize = sizeof(struct ShaderSpec),
.pData = &spec_data
};
const VkVertexInputAttributeDescription attribs[] = {
{.binding = 0, .location = 0, .format = VK_FORMAT_R32G32B32_SFLOAT, .offset = offsetof(vk_vertex_t, pos)},
{.binding = 0, .location = 1, .format = VK_FORMAT_R32G32B32_SFLOAT, .offset = offsetof(vk_vertex_t, normal)},
{.binding = 0, .location = 2, .format = VK_FORMAT_R32G32_SFLOAT, .offset = offsetof(vk_vertex_t, gl_tc)},
{.binding = 0, .location = 3, .format = VK_FORMAT_R32G32_SFLOAT, .offset = offsetof(vk_vertex_t, lm_tc)},
{.binding = 0, .location = 4, .format = VK_FORMAT_R8G8B8A8_UNORM, .offset = offsetof(vk_vertex_t, color)},
{.binding = 0, .location = 6, .format = VK_FORMAT_R32G32B32_SFLOAT, .offset = offsetof(vk_vertex_t, prev_pos)},
};
const vk_shader_stage_t shader_stages[] = {
{
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.filename = "brush.vert.spv",
.specialization_info = NULL,
}, {
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.filename = "brush.frag.spv",
.specialization_info = &shader_spec,
}};
vk_pipeline_graphics_create_info_t ci = {
.layout = g_render.pipeline_layout,
.attribs = attribs,
.num_attribs = ARRAYSIZE(attribs),
.stages = shader_stages,
.num_stages = ARRAYSIZE(shader_stages),
.vertex_stride = sizeof(vk_vertex_t),
.depthTestEnable = VK_TRUE,
.depthWriteEnable = VK_TRUE,
.depthCompareOp = VK_COMPARE_OP_LESS,
.blendEnable = VK_FALSE,
.cullMode = VK_CULL_MODE_FRONT_BIT,
};
for (int i = 0; i < kVkRenderType_COUNT; ++i)
{
const char *name = "UNDEFINED";
switch (i)
{
case kVkRenderTypeSolid:
spec_data.alpha_test_threshold = 0.f;
ci.blendEnable = VK_FALSE;
ci.depthWriteEnable = VK_TRUE;
ci.depthTestEnable = VK_TRUE;
name = "kVkRenderTypeSolid";
break;
case kVkRenderType_A_1mA_RW:
spec_data.alpha_test_threshold = 0.f;
ci.depthWriteEnable = VK_TRUE;
ci.depthTestEnable = VK_TRUE;
ci.blendEnable = VK_TRUE;
ci.colorBlendOp = VK_BLEND_OP_ADD;
ci.srcAlphaBlendFactor = ci.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
ci.dstAlphaBlendFactor = ci.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
name = "kVkRenderType_A_1mA_RW";
break;
case kVkRenderType_A_1mA_R:
spec_data.alpha_test_threshold = 0.f;
ci.depthWriteEnable = VK_FALSE;
ci.depthTestEnable = VK_TRUE;
ci.blendEnable = VK_TRUE;
ci.colorBlendOp = VK_BLEND_OP_ADD;
ci.srcAlphaBlendFactor = ci.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
ci.dstAlphaBlendFactor = ci.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
name = "kVkRenderType_A_1mA_R";
break;
case kVkRenderType_A_1:
spec_data.alpha_test_threshold = 0.f;
ci.depthWriteEnable = VK_FALSE;
ci.depthTestEnable = VK_FALSE; // Fake bloom, should be over geometry too
ci.blendEnable = VK_TRUE;
ci.colorBlendOp = VK_BLEND_OP_ADD;
ci.srcAlphaBlendFactor = ci.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
ci.dstAlphaBlendFactor = ci.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
name = "kVkRenderType_A_1";
break;
case kVkRenderType_A_1_R:
spec_data.alpha_test_threshold = 0.f;
ci.depthWriteEnable = VK_FALSE;
ci.depthTestEnable = VK_TRUE;
ci.blendEnable = VK_TRUE;
ci.colorBlendOp = VK_BLEND_OP_ADD;
ci.srcAlphaBlendFactor = ci.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
ci.dstAlphaBlendFactor = ci.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
name = "kVkRenderType_A_1_R";
break;
case kVkRenderType_AT:
spec_data.alpha_test_threshold = .25f;
ci.depthWriteEnable = VK_TRUE;
ci.depthTestEnable = VK_TRUE;
ci.blendEnable = VK_FALSE;
name = "kVkRenderType_AT";
break;
case kVkRenderType_1_1_R:
spec_data.alpha_test_threshold = 0.f;
ci.depthWriteEnable = VK_FALSE;
ci.depthTestEnable = VK_TRUE;
ci.blendEnable = VK_TRUE;
ci.colorBlendOp = VK_BLEND_OP_ADD;
ci.srcAlphaBlendFactor = ci.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
ci.dstAlphaBlendFactor = ci.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
name = "kVkRenderType_1_1_R";
break;
default:
ASSERT(!"Unreachable");
}
g_render.pipelines[i] = VK_PipelineGraphicsCreate(&ci);
if (!g_render.pipelines[i])
{
// TODO complain
return false;
}
if (vk_core.debug)
{
VkDebugUtilsObjectNameInfoEXT debug_name = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT,
.objectHandle = (uint64_t)g_render.pipelines[i],
.objectType = VK_OBJECT_TYPE_PIPELINE,
.pObjectName = name,
};
XVK_CHECK(vkSetDebugUtilsObjectNameEXT(vk_core.device, &debug_name));
}
}
}
return true;
}
typedef struct {
uint32_t num_lights;
uint32_t debug_r_lightmap;
uint32_t padding_[2];
struct {
vec4_t pos_r;
vec4_t color;
} light[MAX_DLIGHTS];
} vk_ubo_lights_t;
#define MAX_DRAW_COMMANDS 8192 // TODO estimate
#define MAX_DEBUG_NAME_LENGTH 32
typedef struct render_draw_s {
uint32_t ubo_offset; // FIXME move this to draw
int lightmap, texture;
int pipeline_index;
uint32_t element_count;
uint32_t index_offset, vertex_offset;
} render_draw_t;
enum draw_command_type_e {
DrawLabelBegin,
DrawLabelEnd,
DrawDraw
};
typedef struct {
enum draw_command_type_e type;
union {
char debug_label[MAX_DEBUG_NAME_LENGTH];
render_draw_t draw;
};
} draw_command_t;
static struct {
int uniform_data_set_mask;
uniform_data_t current_uniform_data;
uniform_data_t dirty_uniform_data;
r_flipping_buffer_t uniform_alloc;
uint32_t current_ubo_offset_FIXME;
draw_command_t draw_commands[MAX_DRAW_COMMANDS];
int num_draw_commands;
matrix4x4 vk_projection;
matrix4x4 projection_view;
qboolean current_frame_is_ray_traced;
} g_render_state;
qboolean VK_RenderInit( void ) {
PROFILER_SCOPES(APROF_SCOPE_INIT);
g_render.ubo_align = Q_max(4, vk_core.physical_device.properties.limits.minUniformBufferOffsetAlignment);
const uint32_t uniform_unit_size = ((sizeof(uniform_data_t) + g_render.ubo_align - 1) / g_render.ubo_align) * g_render.ubo_align;
const uint32_t uniform_buffer_size = uniform_unit_size * MAX_UNIFORM_SLOTS;
R_FlippingBuffer_Init(&g_render_state.uniform_alloc, uniform_buffer_size);
if (!VK_BufferCreate("render uniform_buffer", &g_render.uniform_buffer, uniform_buffer_size,
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | (vk_core.rtx ? VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT : 0)))
return false;
{
VkDescriptorBufferInfo dbi_uniform_data = {
.buffer = g_render.uniform_buffer.buffer,
.offset = 0,
.range = sizeof(uniform_data_t),
};
VkDescriptorBufferInfo dbi_uniform_lights = {
.buffer = g_render.uniform_buffer.buffer,
.offset = 0,
.range = sizeof(vk_ubo_lights_t),
};
VkWriteDescriptorSet wds[] = {{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = 0,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
.pBufferInfo = &dbi_uniform_data,
.dstSet = vk_desc_fixme.ubo_sets[0], // FIXME
}, {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstBinding = 0,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
.pBufferInfo = &dbi_uniform_lights,
.dstSet = vk_desc_fixme.ubo_sets[1], // FIXME
}};
vkUpdateDescriptorSets(vk_core.device, ARRAYSIZE(wds), wds, 0, NULL);
}
if (!createPipelines())
return false;
R_SPEEDS_COUNTER(g_render.stats.dynamic_model_count, "models_dynamic", kSpeedsMetricCount);
R_SPEEDS_COUNTER(g_render.stats.models_count, "models", kSpeedsMetricCount);
return true;
}
void VK_RenderShutdown( void )
{
for (int i = 0; i < ARRAYSIZE(g_render.pipelines); ++i)
vkDestroyPipeline(vk_core.device, g_render.pipelines[i], NULL);
vkDestroyPipelineLayout( vk_core.device, g_render.pipeline_layout, NULL );
VK_BufferDestroy( &g_render.uniform_buffer );
}
enum {
UNIFORM_UNSET = 0,
UNIFORM_UPLOADED = 16,
};
void VK_RenderBegin( qboolean ray_tracing ) {
APROF_SCOPE_BEGIN(renderbegin);
g_render_state.uniform_data_set_mask = UNIFORM_UNSET;
g_render_state.current_ubo_offset_FIXME = UINT32_MAX;
memset(&g_render_state.current_uniform_data, 0, sizeof(g_render_state.current_uniform_data));
memset(&g_render_state.dirty_uniform_data, 0, sizeof(g_render_state.dirty_uniform_data));
R_FlippingBuffer_Flip(&g_render_state.uniform_alloc);
g_render_state.num_draw_commands = 0;
g_render_state.current_frame_is_ray_traced = ray_tracing;
R_GeometryBuffer_Flip();
if (ray_tracing)
VK_RayFrameBegin();
APROF_SCOPE_END(renderbegin);
}
// Vulkan has Y pointing down, and z should end up in (0, 1)
// NOTE this matrix is row-major
static const matrix4x4 vk_proj_fixup = {
{1, 0, 0, 0},
{0, -1, 0, 0},
{0, 0, .5, .5},
{0, 0, 0, 1}
};
void VK_RenderSetupCamera( const struct ref_viewpass_s *rvp ) {
R_SetupCamera(rvp);
Matrix4x4_Concat(g_render_state.vk_projection, vk_proj_fixup, g_camera.projectionMatrix);
Matrix4x4_Concat(g_render_state.projection_view, g_render_state.vk_projection, g_camera.viewMatrix);
}
static uint32_t allocUniform( uint32_t size, uint32_t alignment ) {
// FIXME Q_max is not correct, we need NAIMENSCHEEE OBSCHEEE KRATNOE
const uint32_t align = Q_max(alignment, g_render.ubo_align);
const uint32_t offset = R_FlippingBuffer_Alloc(&g_render_state.uniform_alloc, size, align);
return offset;
}
static draw_command_t *drawCmdAlloc( void ) {
ASSERT(g_render_state.num_draw_commands < ARRAYSIZE(g_render_state.draw_commands));
return g_render_state.draw_commands + (g_render_state.num_draw_commands++);
}
static void drawCmdPushDebugLabelBegin( const char *debug_label ) {
if (vk_core.debug) {
draw_command_t *draw_command = drawCmdAlloc();
draw_command->type = DrawLabelBegin;
Q_strncpy(draw_command->debug_label, debug_label, sizeof draw_command->debug_label);
}
}
static void drawCmdPushDebugLabelEnd( void ) {
if (vk_core.debug) {
draw_command_t *draw_command = drawCmdAlloc();
draw_command->type = DrawLabelEnd;
}
}
// FIXME get rid of this garbage
static uint32_t getUboOffset_FIXME( void ) {
// Figure out whether we need to update UBO data, and upload new data if we do
// TODO generally it's not safe to do memcmp for structures comparison
if (g_render_state.current_ubo_offset_FIXME == UINT32_MAX
|| ((g_render_state.uniform_data_set_mask & UNIFORM_UPLOADED) == 0)
|| memcmp(&g_render_state.current_uniform_data, &g_render_state.dirty_uniform_data, sizeof(g_render_state.current_uniform_data)) != 0) {
g_render_state.current_ubo_offset_FIXME = allocUniform(sizeof(uniform_data_t), 16 /* why 16? vec4? */);
if (g_render_state.current_ubo_offset_FIXME == ALO_ALLOC_FAILED)
return UINT32_MAX;
uniform_data_t *const ubo = (uniform_data_t*)((byte*)g_render.uniform_buffer.mapped + g_render_state.current_ubo_offset_FIXME);
memcpy(&g_render_state.current_uniform_data, &g_render_state.dirty_uniform_data, sizeof(g_render_state.dirty_uniform_data));
memcpy(ubo, &g_render_state.current_uniform_data, sizeof(*ubo));
g_render_state.uniform_data_set_mask |= UNIFORM_UPLOADED;
}
return g_render_state.current_ubo_offset_FIXME;
}
static void drawCmdPushDraw( const render_draw_t *draw )
{
draw_command_t *draw_command;
ASSERT(draw->pipeline_index >= 0);
ASSERT(draw->pipeline_index < ARRAYSIZE(g_render.pipelines));
ASSERT(draw->lightmap >= 0);
ASSERT(draw->texture >= 0);
if (g_render_state.num_draw_commands >= ARRAYSIZE(g_render_state.draw_commands)) {
gEngine.Con_Printf( S_ERROR "Maximum number of draw commands reached\n" );
return;
}
const uint32_t ubo_offset = getUboOffset_FIXME();
if (ubo_offset == ALO_ALLOC_FAILED) {
// TODO stagger this
gEngine.Con_Printf( S_ERROR "Ran out of uniform slots\n" );
return;
}
draw_command = drawCmdAlloc();
draw_command->draw = *draw;
draw_command->draw.ubo_offset = ubo_offset;
draw_command->type = DrawDraw;
}
// Return offset of dlights data into UBO buffer
static uint32_t writeDlightsToUBO( void )
{
vk_ubo_lights_t* ubo_lights;
int num_lights = 0;
const uint32_t ubo_lights_offset = allocUniform(sizeof(*ubo_lights), 4);
if (ubo_lights_offset == UINT32_MAX) {
gEngine.Con_Printf(S_ERROR "Cannot allocate UBO for DLights\n");
return UINT32_MAX;
}
ubo_lights = (vk_ubo_lights_t*)((byte*)(g_render.uniform_buffer.mapped) + ubo_lights_offset);
// TODO this should not be here (where? vk_scene?)
for (int i = 0; i < MAX_DLIGHTS && num_lights < ARRAYSIZE(ubo_lights->light); ++i) {
const dlight_t *l = gEngine.GetDynamicLight(i);
if( !l || l->die < gpGlobals->time || !l->radius )
continue;
Vector4Set(
ubo_lights->light[num_lights].color,
l->color.r / 255.f,
l->color.g / 255.f,
l->color.b / 255.f,
1.f);
Vector4Set(
ubo_lights->light[num_lights].pos_r,
l->origin[0],
l->origin[1],
l->origin[2],
l->radius);
num_lights++;
}
ubo_lights->num_lights = num_lights;
ubo_lights->debug_r_lightmap = r_lightmap->value != 0;
return ubo_lights_offset;
}
void VK_Render_FIXME_Barrier( VkCommandBuffer cmdbuf ) {
const VkBuffer geom_buffer = R_GeometryBuffer_Get();
// FIXME
{
const VkBufferMemoryBarrier bmb[] = { {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
//.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR, // FIXME
.dstAccessMask = VK_ACCESS_INDEX_READ_BIT | VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT , // FIXME
.buffer = geom_buffer,
.offset = 0, // FIXME
.size = VK_WHOLE_SIZE, // FIXME
} };
vkCmdPipelineBarrier(cmdbuf,
VK_PIPELINE_STAGE_TRANSFER_BIT,
//VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR,
//VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR | VK_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
0, 0, NULL, ARRAYSIZE(bmb), bmb, 0, NULL);
}
}
void VK_RenderEnd( VkCommandBuffer cmdbuf, qboolean draw )
{
if (!draw)
return;
// TODO we can sort collected draw commands for more efficient and correct rendering
// that requires adding info about distance to camera for correct order-dependent blending
int pipeline = -1;
int texture = -1;
int lightmap = -1;
uint32_t ubo_offset = -1;
const uint32_t dlights_ubo_offset = writeDlightsToUBO();
if (dlights_ubo_offset == UINT32_MAX)
return;
ASSERT(!g_render_state.current_frame_is_ray_traced);
{
const VkBuffer geom_buffer = R_GeometryBuffer_Get();
const VkDeviceSize offset = 0;
vkCmdBindVertexBuffers(cmdbuf, 0, 1, &geom_buffer, &offset);
vkCmdBindIndexBuffer(cmdbuf, geom_buffer, 0, VK_INDEX_TYPE_UINT16);
}
vkCmdBindDescriptorSets(cmdbuf, VK_PIPELINE_BIND_POINT_GRAPHICS, g_render.pipeline_layout, 3, 1, vk_desc_fixme.ubo_sets + 1, 1, &dlights_ubo_offset);
for (int i = 0; i < g_render_state.num_draw_commands; ++i) {
const draw_command_t *const draw = g_render_state.draw_commands + i;
switch (draw->type) {
case DrawLabelBegin:
{
VkDebugUtilsLabelEXT label = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_LABEL_EXT,
.pLabelName = draw->debug_label,
};
vkCmdBeginDebugUtilsLabelEXT(cmdbuf, &label);
}
continue;
case DrawLabelEnd:
vkCmdEndDebugUtilsLabelEXT(cmdbuf);
continue;
case DrawDraw:
// Continue drawing below
break;
}
if (ubo_offset != draw->draw.ubo_offset)
{
ubo_offset = draw->draw.ubo_offset;
vkCmdBindDescriptorSets(cmdbuf, VK_PIPELINE_BIND_POINT_GRAPHICS, g_render.pipeline_layout, 0, 1, vk_desc_fixme.ubo_sets, 1, &ubo_offset);
}
if (pipeline != draw->draw.pipeline_index) {
pipeline = draw->draw.pipeline_index;
vkCmdBindPipeline(cmdbuf, VK_PIPELINE_BIND_POINT_GRAPHICS, g_render.pipelines[pipeline]);
}
if (lightmap != draw->draw.lightmap) {
lightmap = draw->draw.lightmap;
const VkDescriptorSet lm_unorm = R_VkTextureGetDescriptorUnorm(lightmap);
vkCmdBindDescriptorSets(cmdbuf, VK_PIPELINE_BIND_POINT_GRAPHICS, g_render.pipeline_layout, 2, 1, &lm_unorm, 0, NULL);
}
if (texture != draw->draw.texture)
{
texture = draw->draw.texture;
const VkDescriptorSet tex_unorm = R_VkTextureGetDescriptorUnorm(texture);
// TODO names/enums for binding points
vkCmdBindDescriptorSets(cmdbuf, VK_PIPELINE_BIND_POINT_GRAPHICS, g_render.pipeline_layout, 1, 1, &tex_unorm, 0, NULL);
}
// Only indexed mode is supported
ASSERT(draw->draw.index_offset >= 0);
vkCmdDrawIndexed(cmdbuf, draw->draw.element_count, 1, draw->draw.index_offset, draw->draw.vertex_offset, 0);
}
}
void VK_RenderDebugLabelBegin( const char *name )
{
drawCmdPushDebugLabelBegin(name);
}
void VK_RenderDebugLabelEnd( void )
{
drawCmdPushDebugLabelEnd();
}
void VK_RenderEndRTX( struct vk_combuf_s* combuf, VkImageView img_dst_view, VkImage img_dst, uint32_t w, uint32_t h )
{
const VkBuffer geom_buffer = R_GeometryBuffer_Get();
ASSERT(vk_core.rtx);
{
const vk_ray_frame_render_args_t args = {
.combuf = combuf,
.dst = {
.image_view = img_dst_view,
.image = img_dst,
.width = w,
.height = h,
},
.projection = &g_render_state.vk_projection,
.view = &g_camera.viewMatrix,
.geometry_data = {
.buffer = geom_buffer,
.size = VK_WHOLE_SIZE,
},
.fov_angle_y = g_camera.fov_y,
};
VK_RayFrameEnd(&args);
}
}
qboolean R_RenderModelCreate( vk_render_model_t *model, vk_render_model_init_t args ) {
memset(model, 0, sizeof(*model));
Q_strncpy(model->debug_name, args.name, sizeof(model->debug_name));
model->geometries = args.geometries;
model->num_geometries = args.geometries_count;
if (!vk_core.rtx)
return true;
model->rt_model = RT_ModelCreate((rt_model_create_t){
.debug_name = model->debug_name,
.geometries = args.geometries,
.geometries_count = args.geometries_count,
.usage = args.dynamic ? kBlasBuildDynamicUpdate : kBlasBuildStatic,
});
return !!model->rt_model;
}
void R_RenderModelDestroy( vk_render_model_t* model ) {
if (model->dynamic_polylights)
Mem_Free(model->dynamic_polylights);
if (model->rt_model)
RT_ModelDestroy(model->rt_model);
}
qboolean R_RenderModelUpdate( const vk_render_model_t *model ) {
// Non-RT rendering doesn't need to update anything, assuming that geometry regions offsets are not changed, and losing intermediate states is fine
if (!g_render_state.current_frame_is_ray_traced)
return true;
ASSERT(model->rt_model);
return RT_ModelUpdate(model->rt_model, model->geometries, model->num_geometries);
}
qboolean R_RenderModelUpdateMaterials( const vk_render_model_t *model, const int *geom_indices, int geom_indices_count) {
if (!model->rt_model)
return true;
return RT_ModelUpdateMaterials(model->rt_model, model->geometries, model->num_geometries, geom_indices, geom_indices_count);
}
static void uboComputeAndSetMVPFromModel( const matrix4x4 model ) {
matrix4x4 mvp;
Matrix4x4_Concat(mvp, g_render_state.projection_view, model);
Matrix4x4_ToArrayFloatGL(mvp, (float*)g_render_state.dirty_uniform_data.mvp);
}
typedef struct {
const char *debug_name;
int lightmap; // TODO per-geometry
const vk_render_geometry_t *geometries;
int geometries_count;
const matrix4x4 *transform;
const vec4_t *color;
int render_type;
int textures_override;
} trad_submit_t;
static void submitToTraditionalRender( trad_submit_t args ) {
int current_texture = args.textures_override;
int element_count = 0;
int index_offset = -1;
int vertex_offset = 0;
uboComputeAndSetMVPFromModel( *args.transform );
// TODO get rid of this dirty ubo thing
Vector4Copy(*args.color, g_render_state.dirty_uniform_data.color);
ASSERT(args.lightmap <= MAX_LIGHTMAPS);
const int lightmap = args.lightmap > 0 ? tglob.lightmapTextures[args.lightmap - 1] : tglob.whiteTexture;
drawCmdPushDebugLabelBegin( args.debug_name );
for (int i = 0; i < args.geometries_count; ++i) {
const vk_render_geometry_t *geom = args.geometries + i;
const int tex = args.textures_override > 0 ? args.textures_override : geom->ye_olde_texture;
const qboolean split = current_texture != tex
|| vertex_offset != geom->vertex_offset
|| (index_offset + element_count) != geom->index_offset;
// We only support indexed geometry
ASSERT(geom->index_offset >= 0);
if (tex < 0)
continue;
if (split) {
if (element_count) {
render_draw_t draw = {
.lightmap = lightmap,
.texture = current_texture,
.pipeline_index = args.render_type,
.element_count = element_count,
.vertex_offset = vertex_offset,
.index_offset = index_offset,
};
drawCmdPushDraw( &draw );
}
current_texture = tex;
index_offset = geom->index_offset;
vertex_offset = geom->vertex_offset;
element_count = 0;
}
// Make sure that all surfaces are concatenated in buffers
ASSERT(index_offset + element_count == geom->index_offset);
element_count += geom->element_count;
}
if (element_count) {
const render_draw_t draw = {
.lightmap = lightmap,
.texture = current_texture,
.pipeline_index = args.render_type,
.element_count = element_count,
.vertex_offset = vertex_offset,
.index_offset = index_offset,
};
drawCmdPushDraw( &draw );
}
drawCmdPushDebugLabelEnd();
}
void R_RenderModelDraw(const vk_render_model_t *model, r_model_draw_t args) {
++g_render.stats.models_count;
if (g_render_state.current_frame_is_ray_traced) {
ASSERT(model->rt_model);
RT_FrameAddModel(model->rt_model, (rt_frame_add_model_t){
.material_mode = args.material_mode,
.transform = (const matrix3x4*)args.transform,
.prev_transform = (const matrix3x4*)args.prev_transform,
.color_srgb = args.color,
.dynamic_polylights = model->dynamic_polylights,
.dynamic_polylights_count = model->dynamic_polylights_count,
.override = {
.material = args.material_override,
.geoms = model->geometries,
.geoms_count = model->num_geometries,
},
});
} else {
submitToTraditionalRender((trad_submit_t){
.debug_name = model->debug_name,
.lightmap = model->lightmap,
.geometries = model->geometries,
.geometries_count = model->num_geometries,
.transform = args.transform,
.color = args.color,
.render_type = args.render_type,
.textures_override = args.material_override ? args.material_override->tex_base_color : -1,
});
}
}
void R_RenderDrawOnce(r_draw_once_t args) {
r_geometry_buffer_lock_t buffer;
if (!R_GeometryBufferAllocOnceAndLock( &buffer, args.vertices_count, args.indices_count)) {
gEngine.Con_Printf(S_ERROR "Cannot allocate geometry for dynamic draw\n");
return;
}
memcpy(buffer.vertices.ptr, args.vertices, sizeof(vk_vertex_t) * args.vertices_count);
memcpy(buffer.indices.ptr, args.indices, sizeof(uint16_t) * args.indices_count);
R_GeometryBufferUnlock( &buffer );
const vk_render_geometry_t geometry = {
.material = args.material,
.ye_olde_texture = args.ye_olde_texture,
.max_vertex = args.vertices_count,
.vertex_offset = buffer.vertices.unit_offset,
.element_count = args.indices_count,
.index_offset = buffer.indices.unit_offset,
.emissive = { (*args.color)[0], (*args.color)[1], (*args.color)[2] },
};
if (g_render_state.current_frame_is_ray_traced) {
RT_FrameAddOnce((rt_frame_add_once_t){
.debug_name = args.name,
.geometries = &geometry,
.color = args.color,
.geometries_count = 1,
.render_type = args.render_type,
});
} else {
submitToTraditionalRender((trad_submit_t){
.debug_name = args.name,
.lightmap = 0,
.geometries = &geometry,
.geometries_count = 1,
.transform = &m_matrix4x4_identity,
.color = args.color,
.render_type = args.render_type,
.textures_override = -1,
});
}
g_render.stats.dynamic_model_count++;
}
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