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renderer_canvas_render_rd.cpp
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/**************************************************************************/
/* renderer_canvas_render_rd.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "renderer_canvas_render_rd.h"
#include "core/config/project_settings.h"
#include "core/math/geometry_2d.h"
#include "core/math/math_defs.h"
#include "core/math/math_funcs.h"
#include "core/math/transform_interpolator.h"
#include "renderer_compositor_rd.h"
#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
#include "servers/rendering/renderer_rd/storage_rd/particles_storage.h"
#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h"
#include "servers/rendering/rendering_server_default.h"
void RendererCanvasRenderRD::_update_transform_2d_to_mat4(const Transform2D &p_transform, float *p_mat4) {
p_mat4[0] = p_transform.columns[0][0];
p_mat4[1] = p_transform.columns[0][1];
p_mat4[2] = 0;
p_mat4[3] = 0;
p_mat4[4] = p_transform.columns[1][0];
p_mat4[5] = p_transform.columns[1][1];
p_mat4[6] = 0;
p_mat4[7] = 0;
p_mat4[8] = 0;
p_mat4[9] = 0;
p_mat4[10] = 1;
p_mat4[11] = 0;
p_mat4[12] = p_transform.columns[2][0];
p_mat4[13] = p_transform.columns[2][1];
p_mat4[14] = 0;
p_mat4[15] = 1;
}
void RendererCanvasRenderRD::_update_transform_2d_to_mat2x4(const Transform2D &p_transform, float *p_mat2x4) {
p_mat2x4[0] = p_transform.columns[0][0];
p_mat2x4[1] = p_transform.columns[1][0];
p_mat2x4[2] = 0;
p_mat2x4[3] = p_transform.columns[2][0];
p_mat2x4[4] = p_transform.columns[0][1];
p_mat2x4[5] = p_transform.columns[1][1];
p_mat2x4[6] = 0;
p_mat2x4[7] = p_transform.columns[2][1];
}
void RendererCanvasRenderRD::_update_transform_2d_to_mat2x3(const Transform2D &p_transform, float *p_mat2x3) {
p_mat2x3[0] = p_transform.columns[0][0];
p_mat2x3[1] = p_transform.columns[0][1];
p_mat2x3[2] = p_transform.columns[1][0];
p_mat2x3[3] = p_transform.columns[1][1];
p_mat2x3[4] = p_transform.columns[2][0];
p_mat2x3[5] = p_transform.columns[2][1];
}
void RendererCanvasRenderRD::_update_transform_to_mat4(const Transform3D &p_transform, float *p_mat4) {
p_mat4[0] = p_transform.basis.rows[0][0];
p_mat4[1] = p_transform.basis.rows[1][0];
p_mat4[2] = p_transform.basis.rows[2][0];
p_mat4[3] = 0;
p_mat4[4] = p_transform.basis.rows[0][1];
p_mat4[5] = p_transform.basis.rows[1][1];
p_mat4[6] = p_transform.basis.rows[2][1];
p_mat4[7] = 0;
p_mat4[8] = p_transform.basis.rows[0][2];
p_mat4[9] = p_transform.basis.rows[1][2];
p_mat4[10] = p_transform.basis.rows[2][2];
p_mat4[11] = 0;
p_mat4[12] = p_transform.origin.x;
p_mat4[13] = p_transform.origin.y;
p_mat4[14] = p_transform.origin.z;
p_mat4[15] = 1;
}
RendererCanvasRender::PolygonID RendererCanvasRenderRD::request_polygon(const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, const Vector<int> &p_bones, const Vector<float> &p_weights) {
// Care must be taken to generate array formats
// in ways where they could be reused, so we will
// put single-occuring elements first, and repeated
// elements later. This way the generated formats are
// the same no matter the length of the arrays.
// This dramatically reduces the amount of pipeline objects
// that need to be created for these formats.
RendererRD::MeshStorage *mesh_storage = RendererRD::MeshStorage::get_singleton();
uint32_t vertex_count = p_points.size();
uint32_t stride = 2; //vertices always repeat
if ((uint32_t)p_colors.size() == vertex_count || p_colors.size() == 1) {
stride += 4;
}
if ((uint32_t)p_uvs.size() == vertex_count) {
stride += 2;
}
if ((uint32_t)p_bones.size() == vertex_count * 4 && (uint32_t)p_weights.size() == vertex_count * 4) {
stride += 4;
}
uint32_t buffer_size = stride * p_points.size();
Vector<uint8_t> polygon_buffer;
polygon_buffer.resize(buffer_size * sizeof(float));
Vector<RD::VertexAttribute> descriptions;
descriptions.resize(5);
Vector<RID> buffers;
buffers.resize(5);
{
uint8_t *r = polygon_buffer.ptrw();
float *fptr = reinterpret_cast<float *>(r);
uint32_t *uptr = reinterpret_cast<uint32_t *>(r);
uint32_t base_offset = 0;
{ //vertices
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32_SFLOAT;
vd.offset = base_offset * sizeof(float);
vd.location = RS::ARRAY_VERTEX;
vd.stride = stride * sizeof(float);
descriptions.write[0] = vd;
const Vector2 *points_ptr = p_points.ptr();
for (uint32_t i = 0; i < vertex_count; i++) {
fptr[base_offset + i * stride + 0] = points_ptr[i].x;
fptr[base_offset + i * stride + 1] = points_ptr[i].y;
}
base_offset += 2;
}
//colors
if ((uint32_t)p_colors.size() == vertex_count || p_colors.size() == 1) {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT;
vd.offset = base_offset * sizeof(float);
vd.location = RS::ARRAY_COLOR;
vd.stride = stride * sizeof(float);
descriptions.write[1] = vd;
if (p_colors.size() == 1) {
Color color = p_colors[0];
for (uint32_t i = 0; i < vertex_count; i++) {
fptr[base_offset + i * stride + 0] = color.r;
fptr[base_offset + i * stride + 1] = color.g;
fptr[base_offset + i * stride + 2] = color.b;
fptr[base_offset + i * stride + 3] = color.a;
}
} else {
const Color *color_ptr = p_colors.ptr();
for (uint32_t i = 0; i < vertex_count; i++) {
fptr[base_offset + i * stride + 0] = color_ptr[i].r;
fptr[base_offset + i * stride + 1] = color_ptr[i].g;
fptr[base_offset + i * stride + 2] = color_ptr[i].b;
fptr[base_offset + i * stride + 3] = color_ptr[i].a;
}
}
base_offset += 4;
} else {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT;
vd.offset = 0;
vd.location = RS::ARRAY_COLOR;
vd.stride = 0;
descriptions.write[1] = vd;
buffers.write[1] = mesh_storage->mesh_get_default_rd_buffer(RendererRD::MeshStorage::DEFAULT_RD_BUFFER_COLOR);
}
//uvs
if ((uint32_t)p_uvs.size() == vertex_count) {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32_SFLOAT;
vd.offset = base_offset * sizeof(float);
vd.location = RS::ARRAY_TEX_UV;
vd.stride = stride * sizeof(float);
descriptions.write[2] = vd;
const Vector2 *uv_ptr = p_uvs.ptr();
for (uint32_t i = 0; i < vertex_count; i++) {
fptr[base_offset + i * stride + 0] = uv_ptr[i].x;
fptr[base_offset + i * stride + 1] = uv_ptr[i].y;
}
base_offset += 2;
} else {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32_SFLOAT;
vd.offset = 0;
vd.location = RS::ARRAY_TEX_UV;
vd.stride = 0;
descriptions.write[2] = vd;
buffers.write[2] = mesh_storage->mesh_get_default_rd_buffer(RendererRD::MeshStorage::DEFAULT_RD_BUFFER_TEX_UV);
}
//bones
if ((uint32_t)p_indices.size() == vertex_count * 4 && (uint32_t)p_weights.size() == vertex_count * 4) {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R16G16B16A16_UINT;
vd.offset = base_offset * sizeof(float);
vd.location = RS::ARRAY_BONES;
vd.stride = stride * sizeof(float);
descriptions.write[3] = vd;
const int *bone_ptr = p_bones.ptr();
for (uint32_t i = 0; i < vertex_count; i++) {
uint16_t *bone16w = (uint16_t *)&uptr[base_offset + i * stride];
bone16w[0] = bone_ptr[i * 4 + 0];
bone16w[1] = bone_ptr[i * 4 + 1];
bone16w[2] = bone_ptr[i * 4 + 2];
bone16w[3] = bone_ptr[i * 4 + 3];
}
base_offset += 2;
} else {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32B32A32_UINT;
vd.offset = 0;
vd.location = RS::ARRAY_BONES;
vd.stride = 0;
descriptions.write[3] = vd;
buffers.write[3] = mesh_storage->mesh_get_default_rd_buffer(RendererRD::MeshStorage::DEFAULT_RD_BUFFER_BONES);
}
//weights
if ((uint32_t)p_weights.size() == vertex_count * 4) {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R16G16B16A16_UNORM;
vd.offset = base_offset * sizeof(float);
vd.location = RS::ARRAY_WEIGHTS;
vd.stride = stride * sizeof(float);
descriptions.write[4] = vd;
const float *weight_ptr = p_weights.ptr();
for (uint32_t i = 0; i < vertex_count; i++) {
uint16_t *weight16w = (uint16_t *)&uptr[base_offset + i * stride];
weight16w[0] = CLAMP(weight_ptr[i * 4 + 0] * 65535, 0, 65535);
weight16w[1] = CLAMP(weight_ptr[i * 4 + 1] * 65535, 0, 65535);
weight16w[2] = CLAMP(weight_ptr[i * 4 + 2] * 65535, 0, 65535);
weight16w[3] = CLAMP(weight_ptr[i * 4 + 3] * 65535, 0, 65535);
}
base_offset += 2;
} else {
RD::VertexAttribute vd;
vd.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT;
vd.offset = 0;
vd.location = RS::ARRAY_WEIGHTS;
vd.stride = 0;
descriptions.write[4] = vd;
buffers.write[4] = mesh_storage->mesh_get_default_rd_buffer(RendererRD::MeshStorage::DEFAULT_RD_BUFFER_WEIGHTS);
}
//check that everything is as it should be
ERR_FAIL_COND_V(base_offset != stride, 0); //bug
}
RD::VertexFormatID vertex_id = RD::get_singleton()->vertex_format_create(descriptions);
ERR_FAIL_COND_V(vertex_id == RD::INVALID_ID, 0);
PolygonBuffers pb;
pb.vertex_buffer = RD::get_singleton()->vertex_buffer_create(polygon_buffer.size(), polygon_buffer);
for (int i = 0; i < descriptions.size(); i++) {
if (buffers[i] == RID()) { //if put in vertex, use as vertex
buffers.write[i] = pb.vertex_buffer;
}
}
pb.vertex_array = RD::get_singleton()->vertex_array_create(p_points.size(), vertex_id, buffers);
pb.primitive_count = vertex_count;
if (p_indices.size()) {
//create indices, as indices were requested
Vector<uint8_t> index_buffer;
index_buffer.resize(p_indices.size() * sizeof(int32_t));
{
uint8_t *w = index_buffer.ptrw();
memcpy(w, p_indices.ptr(), sizeof(int32_t) * p_indices.size());
}
pb.index_buffer = RD::get_singleton()->index_buffer_create(p_indices.size(), RD::INDEX_BUFFER_FORMAT_UINT32, index_buffer);
pb.indices = RD::get_singleton()->index_array_create(pb.index_buffer, 0, p_indices.size());
pb.primitive_count = p_indices.size();
}
pb.vertex_format_id = vertex_id;
PolygonID id = polygon_buffers.last_id++;
polygon_buffers.polygons[id] = pb;
return id;
}
void RendererCanvasRenderRD::free_polygon(PolygonID p_polygon) {
PolygonBuffers *pb_ptr = polygon_buffers.polygons.getptr(p_polygon);
ERR_FAIL_NULL(pb_ptr);
PolygonBuffers &pb = *pb_ptr;
if (pb.indices.is_valid()) {
RD::get_singleton()->free(pb.indices);
}
if (pb.index_buffer.is_valid()) {
RD::get_singleton()->free(pb.index_buffer);
}
RD::get_singleton()->free(pb.vertex_array);
RD::get_singleton()->free(pb.vertex_buffer);
polygon_buffers.polygons.erase(p_polygon);
}
////////////////////
_FORCE_INLINE_ static uint32_t _indices_to_primitives(RS::PrimitiveType p_primitive, uint32_t p_indices) {
static const uint32_t divisor[RS::PRIMITIVE_MAX] = { 1, 2, 1, 3, 1 };
static const uint32_t subtractor[RS::PRIMITIVE_MAX] = { 0, 0, 1, 0, 1 };
return (p_indices - subtractor[p_primitive]) / divisor[p_primitive];
}
RID RendererCanvasRenderRD::_create_base_uniform_set(RID p_to_render_target, bool p_backbuffer) {
RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton();
//re create canvas state
Vector<RD::Uniform> uniforms;
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER;
u.binding = 1;
u.append_id(state.canvas_state_buffer);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER;
u.binding = 2;
u.append_id(state.lights_uniform_buffer);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 3;
u.append_id(RendererRD::TextureStorage::get_singleton()->decal_atlas_get_texture());
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 4;
u.append_id(state.shadow_texture);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_SAMPLER;
u.binding = 5;
u.append_id(state.shadow_sampler);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 6;
RID screen;
if (p_backbuffer) {
screen = texture_storage->render_target_get_rd_texture(p_to_render_target);
} else {
screen = texture_storage->render_target_get_rd_backbuffer(p_to_render_target);
if (screen.is_null()) { //unallocated backbuffer
screen = RendererRD::TextureStorage::get_singleton()->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_WHITE);
}
}
u.append_id(screen);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_TEXTURE;
u.binding = 7;
RID sdf = texture_storage->render_target_get_sdf_texture(p_to_render_target);
u.append_id(sdf);
uniforms.push_back(u);
}
{
RD::Uniform u;
u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
u.binding = 9;
u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer());
uniforms.push_back(u);
}
uniforms.append_array(material_storage->samplers_rd_get_default().get_uniforms(SAMPLERS_BINDING_FIRST_INDEX));
RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, shader.default_version_rd_shader, BASE_UNIFORM_SET);
if (p_backbuffer) {
texture_storage->render_target_set_backbuffer_uniform_set(p_to_render_target, uniform_set);
} else {
texture_storage->render_target_set_framebuffer_uniform_set(p_to_render_target, uniform_set);
}
return uniform_set;
}
void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_light_list, const Transform2D &p_canvas_transform, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel, bool &r_sdf_used, RenderingMethod::RenderInfo *r_render_info) {
RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton();
RendererRD::MeshStorage *mesh_storage = RendererRD::MeshStorage::get_singleton();
r_sdf_used = false;
int item_count = 0;
//setup canvas state uniforms if needed
Transform2D canvas_transform_inverse = p_canvas_transform.affine_inverse();
//setup directional lights if exist
uint32_t light_count = 0;
uint32_t directional_light_count = 0;
{
Light *l = p_directional_light_list;
uint32_t index = 0;
while (l) {
if (index == state.max_lights_per_render) {
l->render_index_cache = -1;
l = l->next_ptr;
continue;
}
CanvasLight *clight = canvas_light_owner.get_or_null(l->light_internal);
if (!clight) { //unused or invalid texture
l->render_index_cache = -1;
l = l->next_ptr;
ERR_CONTINUE(!clight);
}
Vector2 canvas_light_dir = l->xform_cache.columns[1].normalized();
state.light_uniforms[index].position[0] = -canvas_light_dir.x;
state.light_uniforms[index].position[1] = -canvas_light_dir.y;
_update_transform_2d_to_mat2x4(clight->shadow.directional_xform, state.light_uniforms[index].shadow_matrix);
state.light_uniforms[index].height = l->height; //0..1 here
for (int i = 0; i < 4; i++) {
state.light_uniforms[index].shadow_color[i] = uint8_t(CLAMP(int32_t(l->shadow_color[i] * 255.0), 0, 255));
state.light_uniforms[index].color[i] = l->color[i];
}
state.light_uniforms[index].color[3] *= l->energy; //use alpha for energy, so base color can go separate
if (state.shadow_fb.is_valid()) {
state.light_uniforms[index].shadow_pixel_size = (1.0 / state.shadow_texture_size) * (1.0 + l->shadow_smooth);
state.light_uniforms[index].shadow_z_far_inv = 1.0 / clight->shadow.z_far;
state.light_uniforms[index].shadow_y_ofs = clight->shadow.y_offset;
} else {
state.light_uniforms[index].shadow_pixel_size = 1.0;
state.light_uniforms[index].shadow_z_far_inv = 1.0;
state.light_uniforms[index].shadow_y_ofs = 0;
}
state.light_uniforms[index].flags = l->blend_mode << LIGHT_FLAGS_BLEND_SHIFT;
state.light_uniforms[index].flags |= l->shadow_filter << LIGHT_FLAGS_FILTER_SHIFT;
if (clight->shadow.enabled) {
state.light_uniforms[index].flags |= LIGHT_FLAGS_HAS_SHADOW;
}
l->render_index_cache = index;
index++;
l = l->next_ptr;
}
light_count = index;
directional_light_count = light_count;
using_directional_lights = directional_light_count > 0;
}
//setup lights if exist
{
Light *l = p_light_list;
uint32_t index = light_count;
while (l) {
if (index == state.max_lights_per_render) {
l->render_index_cache = -1;
l = l->next_ptr;
continue;
}
CanvasLight *clight = canvas_light_owner.get_or_null(l->light_internal);
if (!clight) { //unused or invalid texture
l->render_index_cache = -1;
l = l->next_ptr;
ERR_CONTINUE(!clight);
}
Transform2D final_xform;
if (!RSG::canvas->_interpolation_data.interpolation_enabled || !l->interpolated) {
final_xform = l->xform_curr;
} else {
real_t f = Engine::get_singleton()->get_physics_interpolation_fraction();
TransformInterpolator::interpolate_transform_2d(l->xform_prev, l->xform_curr, final_xform, f);
}
// Convert light position to canvas coordinates, as all computation is done in canvas coordinates to avoid precision loss.
Vector2 canvas_light_pos = p_canvas_transform.xform(final_xform.get_origin());
state.light_uniforms[index].position[0] = canvas_light_pos.x;
state.light_uniforms[index].position[1] = canvas_light_pos.y;
_update_transform_2d_to_mat2x4(l->light_shader_xform.affine_inverse(), state.light_uniforms[index].matrix);
_update_transform_2d_to_mat2x4(l->xform_cache.affine_inverse(), state.light_uniforms[index].shadow_matrix);
state.light_uniforms[index].height = l->height * (p_canvas_transform.columns[0].length() + p_canvas_transform.columns[1].length()) * 0.5; //approximate height conversion to the canvas size, since all calculations are done in canvas coords to avoid precision loss
for (int i = 0; i < 4; i++) {
state.light_uniforms[index].shadow_color[i] = uint8_t(CLAMP(int32_t(l->shadow_color[i] * 255.0), 0, 255));
state.light_uniforms[index].color[i] = l->color[i];
}
state.light_uniforms[index].color[3] *= l->energy; //use alpha for energy, so base color can go separate
if (state.shadow_fb.is_valid()) {
state.light_uniforms[index].shadow_pixel_size = (1.0 / state.shadow_texture_size) * (1.0 + l->shadow_smooth);
state.light_uniforms[index].shadow_z_far_inv = 1.0 / clight->shadow.z_far;
state.light_uniforms[index].shadow_y_ofs = clight->shadow.y_offset;
} else {
state.light_uniforms[index].shadow_pixel_size = 1.0;
state.light_uniforms[index].shadow_z_far_inv = 1.0;
state.light_uniforms[index].shadow_y_ofs = 0;
}
state.light_uniforms[index].flags = l->blend_mode << LIGHT_FLAGS_BLEND_SHIFT;
state.light_uniforms[index].flags |= l->shadow_filter << LIGHT_FLAGS_FILTER_SHIFT;
if (clight->shadow.enabled) {
state.light_uniforms[index].flags |= LIGHT_FLAGS_HAS_SHADOW;
}
if (clight->texture.is_valid()) {
Rect2 atlas_rect = RendererRD::TextureStorage::get_singleton()->decal_atlas_get_texture_rect(clight->texture);
state.light_uniforms[index].atlas_rect[0] = atlas_rect.position.x;
state.light_uniforms[index].atlas_rect[1] = atlas_rect.position.y;
state.light_uniforms[index].atlas_rect[2] = atlas_rect.size.width;
state.light_uniforms[index].atlas_rect[3] = atlas_rect.size.height;
} else {
state.light_uniforms[index].atlas_rect[0] = 0;
state.light_uniforms[index].atlas_rect[1] = 0;
state.light_uniforms[index].atlas_rect[2] = 0;
state.light_uniforms[index].atlas_rect[3] = 0;
}
l->render_index_cache = index;
index++;
l = l->next_ptr;
}
light_count = index;
}
if (light_count > 0) {
RD::get_singleton()->buffer_update(state.lights_uniform_buffer, 0, sizeof(LightUniform) * light_count, &state.light_uniforms[0]);
}
{
//update canvas state uniform buffer
State::Buffer state_buffer;
Size2i ssize = texture_storage->render_target_get_size(p_to_render_target);
Transform3D screen_transform;
screen_transform.translate_local(-(ssize.width / 2.0f), -(ssize.height / 2.0f), 0.0f);
screen_transform.scale(Vector3(2.0f / ssize.width, 2.0f / ssize.height, 1.0f));
_update_transform_to_mat4(screen_transform, state_buffer.screen_transform);
_update_transform_2d_to_mat4(p_canvas_transform, state_buffer.canvas_transform);
Transform2D normal_transform = p_canvas_transform;
normal_transform.columns[0].normalize();
normal_transform.columns[1].normalize();
normal_transform.columns[2] = Vector2();
_update_transform_2d_to_mat4(normal_transform, state_buffer.canvas_normal_transform);
bool use_linear_colors = texture_storage->render_target_is_using_hdr(p_to_render_target);
Color modulate = p_modulate;
if (use_linear_colors) {
modulate = p_modulate.srgb_to_linear();
}
state_buffer.canvas_modulate[0] = modulate.r;
state_buffer.canvas_modulate[1] = modulate.g;
state_buffer.canvas_modulate[2] = modulate.b;
state_buffer.canvas_modulate[3] = modulate.a;
Size2 render_target_size = texture_storage->render_target_get_size(p_to_render_target);
state_buffer.screen_pixel_size[0] = 1.0 / render_target_size.x;
state_buffer.screen_pixel_size[1] = 1.0 / render_target_size.y;
state_buffer.time = state.time;
state_buffer.use_pixel_snap = p_snap_2d_vertices_to_pixel;
state_buffer.directional_light_count = directional_light_count;
Vector2 canvas_scale = p_canvas_transform.get_scale();
state_buffer.sdf_to_screen[0] = render_target_size.width / canvas_scale.x;
state_buffer.sdf_to_screen[1] = render_target_size.height / canvas_scale.y;
state_buffer.screen_to_sdf[0] = 1.0 / state_buffer.sdf_to_screen[0];
state_buffer.screen_to_sdf[1] = 1.0 / state_buffer.sdf_to_screen[1];
Rect2 sdf_rect = texture_storage->render_target_get_sdf_rect(p_to_render_target);
Rect2 sdf_tex_rect(sdf_rect.position / canvas_scale, sdf_rect.size / canvas_scale);
state_buffer.sdf_to_tex[0] = 1.0 / sdf_tex_rect.size.width;
state_buffer.sdf_to_tex[1] = 1.0 / sdf_tex_rect.size.height;
state_buffer.sdf_to_tex[2] = -sdf_tex_rect.position.x / sdf_tex_rect.size.width;
state_buffer.sdf_to_tex[3] = -sdf_tex_rect.position.y / sdf_tex_rect.size.height;
//print_line("w: " + itos(ssize.width) + " s: " + rtos(canvas_scale));
state_buffer.tex_to_sdf = 1.0 / ((canvas_scale.x + canvas_scale.y) * 0.5);
RD::get_singleton()->buffer_update(state.canvas_state_buffer, 0, sizeof(State::Buffer), &state_buffer);
}
{ //default filter/repeat
default_filter = p_default_filter;
default_repeat = p_default_repeat;
}
Item *ci = p_item_list;
//fill the list until rendering is possible.
bool material_screen_texture_cached = false;
bool material_screen_texture_mipmaps_cached = false;
Rect2 back_buffer_rect;
bool backbuffer_copy = false;
bool backbuffer_gen_mipmaps = false;
Item *canvas_group_owner = nullptr;
bool skip_item = false;
state.last_instance_index = 0;
bool update_skeletons = false;
bool time_used = false;
bool backbuffer_cleared = false;
RenderTarget to_render_target;
to_render_target.render_target = p_to_render_target;
bool use_linear_colors = texture_storage->render_target_is_using_hdr(p_to_render_target);
to_render_target.base_flags = use_linear_colors ? FLAGS_CONVERT_ATTRIBUTES_TO_LINEAR : 0;
while (ci) {
if (ci->copy_back_buffer && canvas_group_owner == nullptr) {
backbuffer_copy = true;
if (ci->copy_back_buffer->full) {
back_buffer_rect = Rect2();
} else {
back_buffer_rect = ci->copy_back_buffer->rect;
}
}
RID material = ci->material_owner == nullptr ? ci->material : ci->material_owner->material;
if (material.is_valid()) {
CanvasMaterialData *md = static_cast<CanvasMaterialData *>(material_storage->material_get_data(material, RendererRD::MaterialStorage::SHADER_TYPE_2D));
if (md && md->shader_data->valid) {
if (md->shader_data->uses_screen_texture && canvas_group_owner == nullptr) {
if (!material_screen_texture_cached) {
backbuffer_copy = true;
back_buffer_rect = Rect2();
backbuffer_gen_mipmaps = md->shader_data->uses_screen_texture_mipmaps;
} else if (!material_screen_texture_mipmaps_cached) {
backbuffer_gen_mipmaps = md->shader_data->uses_screen_texture_mipmaps;
}
}
if (md->shader_data->uses_sdf) {
r_sdf_used = true;
}
if (md->shader_data->uses_time) {
time_used = true;
}
}
}
if (ci->skeleton.is_valid()) {
const Item::Command *c = ci->commands;
while (c) {
if (c->type == Item::Command::TYPE_MESH) {
const Item::CommandMesh *cm = static_cast<const Item::CommandMesh *>(c);
if (cm->mesh_instance.is_valid()) {
mesh_storage->mesh_instance_check_for_update(cm->mesh_instance);
mesh_storage->mesh_instance_set_canvas_item_transform(cm->mesh_instance, canvas_transform_inverse * ci->final_transform);
update_skeletons = true;
}
}
c = c->next;
}
}
if (ci->canvas_group_owner != nullptr) {
if (canvas_group_owner == nullptr) {
// Canvas group begins here, render until before this item
if (update_skeletons) {
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_batch_items(to_render_target, item_count, canvas_transform_inverse, p_light_list, r_sdf_used, false, r_render_info);
item_count = 0;
if (ci->canvas_group_owner->canvas_group->mode != RS::CANVAS_GROUP_MODE_TRANSPARENT) {
Rect2i group_rect = ci->canvas_group_owner->global_rect_cache;
texture_storage->render_target_copy_to_back_buffer(p_to_render_target, group_rect, false);
if (ci->canvas_group_owner->canvas_group->mode == RS::CANVAS_GROUP_MODE_CLIP_AND_DRAW) {
ci->canvas_group_owner->use_canvas_group = false;
items[item_count++] = ci->canvas_group_owner;
}
} else if (!backbuffer_cleared) {
texture_storage->render_target_clear_back_buffer(p_to_render_target, Rect2i(), Color(0, 0, 0, 0));
backbuffer_cleared = true;
}
backbuffer_copy = false;
canvas_group_owner = ci->canvas_group_owner; //continue until owner found
}
ci->canvas_group_owner = nullptr; //must be cleared
}
if (canvas_group_owner == nullptr && ci->canvas_group != nullptr && ci->canvas_group->mode != RS::CANVAS_GROUP_MODE_CLIP_AND_DRAW) {
skip_item = true;
}
if (ci == canvas_group_owner) {
if (update_skeletons) {
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_batch_items(to_render_target, item_count, canvas_transform_inverse, p_light_list, r_sdf_used, true, r_render_info);
item_count = 0;
if (ci->canvas_group->blur_mipmaps) {
texture_storage->render_target_gen_back_buffer_mipmaps(p_to_render_target, ci->global_rect_cache);
}
canvas_group_owner = nullptr;
// Backbuffer is dirty now and needs to be re-cleared if another CanvasGroup needs it.
backbuffer_cleared = false;
// Tell the renderer to paint this as a canvas group
ci->use_canvas_group = true;
} else {
ci->use_canvas_group = false;
}
if (backbuffer_copy) {
//render anything pending, including clearing if no items
if (update_skeletons) {
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_batch_items(to_render_target, item_count, canvas_transform_inverse, p_light_list, r_sdf_used, false, r_render_info);
item_count = 0;
texture_storage->render_target_copy_to_back_buffer(p_to_render_target, back_buffer_rect, backbuffer_gen_mipmaps);
backbuffer_copy = false;
material_screen_texture_cached = true; // After a backbuffer copy, screen texture makes no further copies.
material_screen_texture_mipmaps_cached = backbuffer_gen_mipmaps;
backbuffer_gen_mipmaps = false;
}
if (backbuffer_gen_mipmaps) {
texture_storage->render_target_gen_back_buffer_mipmaps(p_to_render_target, back_buffer_rect);
backbuffer_gen_mipmaps = false;
material_screen_texture_mipmaps_cached = true;
}
if (skip_item) {
skip_item = false;
} else {
items[item_count++] = ci;
}
if (!ci->next || item_count == MAX_RENDER_ITEMS - 1) {
if (update_skeletons) {
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_batch_items(to_render_target, item_count, canvas_transform_inverse, p_light_list, r_sdf_used, canvas_group_owner != nullptr, r_render_info);
//then reset
item_count = 0;
}
ci = ci->next;
}
if (time_used) {
RenderingServerDefault::redraw_request();
}
state.current_data_buffer_index = (state.current_data_buffer_index + 1) % state.canvas_instance_data_buffers.size();
state.current_instance_buffer_index = 0;
}
RID RendererCanvasRenderRD::light_create() {
CanvasLight canvas_light;
return canvas_light_owner.make_rid(canvas_light);
}
void RendererCanvasRenderRD::light_set_texture(RID p_rid, RID p_texture) {
RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
CanvasLight *cl = canvas_light_owner.get_or_null(p_rid);
ERR_FAIL_NULL(cl);
if (cl->texture == p_texture) {
return;
}
ERR_FAIL_COND(p_texture.is_valid() && !texture_storage->owns_texture(p_texture));
if (cl->texture.is_valid()) {
texture_storage->texture_remove_from_decal_atlas(cl->texture);
}
cl->texture = p_texture;
if (cl->texture.is_valid()) {
texture_storage->texture_add_to_decal_atlas(cl->texture);
}
}
void RendererCanvasRenderRD::light_set_use_shadow(RID p_rid, bool p_enable) {
CanvasLight *cl = canvas_light_owner.get_or_null(p_rid);
ERR_FAIL_NULL(cl);
cl->shadow.enabled = p_enable;
}
void RendererCanvasRenderRD::_update_shadow_atlas() {
if (state.shadow_fb == RID()) {
//ah, we lack the shadow texture..
RD::get_singleton()->free(state.shadow_texture); //erase placeholder
Vector<RID> fb_textures;
{ //texture
RD::TextureFormat tf;
tf.texture_type = RD::TEXTURE_TYPE_2D;
tf.width = state.shadow_texture_size;
tf.height = state.max_lights_per_render * 2;
tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT;
tf.format = RD::DATA_FORMAT_R32_SFLOAT;
state.shadow_texture = RD::get_singleton()->texture_create(tf, RD::TextureView());
fb_textures.push_back(state.shadow_texture);
}
{
RD::TextureFormat tf;
tf.texture_type = RD::TEXTURE_TYPE_2D;
tf.width = state.shadow_texture_size;
tf.height = state.max_lights_per_render * 2;
tf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
tf.format = RD::DATA_FORMAT_D32_SFLOAT;
//chunks to write
state.shadow_depth_texture = RD::get_singleton()->texture_create(tf, RD::TextureView());
fb_textures.push_back(state.shadow_depth_texture);
}
state.shadow_fb = RD::get_singleton()->framebuffer_create(fb_textures);
}
}
void RendererCanvasRenderRD::light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders) {
CanvasLight *cl = canvas_light_owner.get_or_null(p_rid);
ERR_FAIL_COND(!cl->shadow.enabled);
_update_shadow_atlas();
cl->shadow.z_far = p_far;
cl->shadow.y_offset = float(p_shadow_index * 2 + 1) / float(state.max_lights_per_render * 2);
Vector<Color> cc;
cc.push_back(Color(p_far, p_far, p_far, 1.0));
for (int i = 0; i < 4; i++) {
//make sure it remains orthogonal, makes easy to read angle later
//light.basis.scale(Vector3(to_light.elements[0].length(),to_light.elements[1].length(),1));
Rect2i rect((state.shadow_texture_size / 4) * i, p_shadow_index * 2, (state.shadow_texture_size / 4), 2);
RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(state.shadow_fb, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, cc, 1.0, 0, rect);
Projection projection;
{
real_t fov = 90;
real_t nearp = p_near;
real_t farp = p_far;
real_t aspect = 1.0;
real_t ymax = nearp * Math::tan(Math::deg_to_rad(fov * 0.5));
real_t ymin = -ymax;
real_t xmin = ymin * aspect;
real_t xmax = ymax * aspect;
projection.set_frustum(xmin, xmax, ymin, ymax, nearp, farp);
}
Vector3 cam_target = Basis::from_euler(Vector3(0, 0, Math_TAU * ((i + 3) / 4.0))).xform(Vector3(0, 1, 0));
projection = projection * Projection(Transform3D().looking_at(cam_target, Vector3(0, 0, -1)).affine_inverse());
ShadowRenderPushConstant push_constant;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
push_constant.projection[y * 4 + x] = projection.columns[y][x];
}
}
static const Vector2 directions[4] = { Vector2(1, 0), Vector2(0, 1), Vector2(-1, 0), Vector2(0, -1) };
push_constant.direction[0] = directions[i].x;
push_constant.direction[1] = directions[i].y;
push_constant.z_far = p_far;
push_constant.pad = 0;
LightOccluderInstance *instance = p_occluders;
while (instance) {
OccluderPolygon *co = occluder_polygon_owner.get_or_null(instance->occluder);
if (!co || co->index_array.is_null() || !(p_light_mask & instance->light_mask)) {
instance = instance->next;
continue;
}
_update_transform_2d_to_mat2x4(p_light_xform * instance->xform_cache, push_constant.modelview);
RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, shadow_render.render_pipelines[co->cull_mode]);
RD::get_singleton()->draw_list_bind_vertex_array(draw_list, co->vertex_array);
RD::get_singleton()->draw_list_bind_index_array(draw_list, co->index_array);
RD::get_singleton()->draw_list_set_push_constant(draw_list, &push_constant, sizeof(ShadowRenderPushConstant));
RD::get_singleton()->draw_list_draw(draw_list, true);
instance = instance->next;