996 lines
36 KiB
C++
996 lines
36 KiB
C++
#include "pch.h"
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#include "log.h"
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#include "node_stroke_preview.h"
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#include "texture.h"
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#include "shader.h"
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#include "bezier.h"
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#include "canvas.h"
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#include "app.h"
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#include "legacy_canvas_draw_merge_services.h"
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#include "legacy_canvas_stroke_composite_services.h"
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#include "legacy_canvas_stroke_execution_services.h"
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#include "legacy_canvas_stroke_preview_services.h"
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#include "legacy_canvas_stroke_shader_services.h"
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#include "legacy_canvas_stroke_services.h"
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#include "legacy_node_stroke_preview_execution_services.h"
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#include "legacy_ui_gl_dispatch.h"
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#include "paint_renderer/compositor.h"
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#include "renderer_gl/opengl_capabilities.h"
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#include "util.h"
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#include <array>
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#include <cstdint>
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namespace {
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pp::renderer::RenderDeviceFeatures stroke_preview_render_device_features() noexcept
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{
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return ShaderManager::render_device_features();
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}
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void set_active_texture_unit(std::uint32_t unit_index)
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{
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pp::legacy::ui_gl::activate_texture_unit(unit_index, "NodeStrokePreview");
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}
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void unbind_texture_2d()
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{
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pp::legacy::ui_gl::unbind_texture_2d("NodeStrokePreview");
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}
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void apply_stroke_preview_viewport(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height)
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{
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pp::legacy::ui_gl::apply_viewport(x, y, width, height, "NodeStrokePreview");
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}
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pp::renderer::gl::OpenGlViewportRect query_stroke_preview_viewport()
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{
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return pp::legacy::ui_gl::query_viewport_rect("NodeStrokePreview");
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}
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std::array<float, 4> query_stroke_preview_clear_color()
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{
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return pp::legacy::ui_gl::query_clear_color("NodeStrokePreview");
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}
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void apply_stroke_preview_clear_color(std::array<float, 4> color)
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{
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pp::legacy::ui_gl::set_clear_color(color, "NodeStrokePreview");
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}
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void apply_stroke_preview_scissor(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height)
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{
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pp::legacy::ui_gl::apply_scissor_rect(x, y, width, height, "NodeStrokePreview");
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}
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void apply_stroke_preview_capability(std::uint32_t state, bool enabled)
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{
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pp::legacy::ui_gl::set_capability(state, enabled, "NodeStrokePreview");
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}
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namespace stroke_preview_composite_slots {
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constexpr std::uint32_t kBackground = 0U;
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constexpr std::uint32_t kStroke = 1U;
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constexpr std::uint32_t kDual = 3U;
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constexpr std::uint32_t kPattern = 4U;
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}
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namespace stroke_preview_live_slots {
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constexpr std::uint32_t kTip = 0U;
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constexpr std::uint32_t kDestination = 1U;
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constexpr std::uint32_t kPattern = 2U;
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constexpr std::uint32_t kMixer = 3U;
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constexpr std::uint32_t kReservedLinear = 4U;
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}
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struct StrokePreviewCompositePassInputs {
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glm::vec2 resolution;
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glm::vec2 pattern_scale;
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const Brush& brush;
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const pp::paint_renderer::CanvasStrokeCompositePassPlan& composite_pass;
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Texture2D& background_texture;
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Texture2D& stroke_texture;
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Texture2D& dual_texture;
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Sampler& linear_sampler;
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Sampler& repeat_sampler;
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std::function<void()> draw_composite;
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};
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pp::panopainter::LegacyNodeStrokePreviewMixPassRequest make_stroke_preview_mix_pass_request(
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const Brush& brush,
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glm::vec2 resolution) noexcept
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{
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return {
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.resolution = resolution,
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.pattern_scale = brush.m_pattern_scale,
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.pattern_flipx = brush.m_pattern_flipx,
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.pattern_flipy = brush.m_pattern_flipy,
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.pattern_invert = brush.m_pattern_invert,
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.pattern_brightness = brush.m_pattern_brightness,
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.pattern_contrast = brush.m_pattern_contrast,
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.pattern_depth = brush.m_pattern_depth,
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.pattern_rand_offset = brush.m_pattern_rand_offset,
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.pattern_enabled = brush.m_pattern_enabled,
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.pattern_eachsample = brush.m_pattern_eachsample,
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.tip_wet = brush.m_tip_wet,
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.tip_mix = brush.m_tip_mix,
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.tip_noise = brush.m_tip_noise,
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.dual_enabled = brush.m_dual_enabled,
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.dual_blend_mode = brush.m_dual_blend_mode,
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.pattern_blend_mode = brush.m_pattern_blend_mode,
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.dual_opacity = brush.m_dual_opacity,
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.blend_mode = brush.m_blend_mode,
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};
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}
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pp::panopainter::LegacyStrokeCompositeUniforms make_stroke_preview_mix_composite_uniforms(
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const pp::panopainter::LegacyNodeStrokePreviewMixPassPlan::ShaderPlan& shader_plan) noexcept
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{
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return {
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.resolution = shader_plan.resolution,
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.pattern = {
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.scale = shader_plan.pattern_scale,
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.invert = shader_plan.pattern_invert,
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.brightness = shader_plan.pattern_brightness,
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.contrast = shader_plan.pattern_contrast,
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.depth = shader_plan.pattern_depth,
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.blend_mode = shader_plan.pattern_blend_mode,
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.offset = shader_plan.pattern_offset,
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},
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.mvp = glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f),
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.layer_alpha = 1.0f,
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.alpha_lock = false,
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.mask_enabled = false,
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.use_fragcoord = false,
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.blend_mode = shader_plan.blend_mode,
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.use_dual = shader_plan.use_dual,
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.dual_blend_mode = shader_plan.dual_blend_mode,
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.dual_alpha = shader_plan.dual_alpha,
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.use_pattern = shader_plan.use_pattern,
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};
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}
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void execute_stroke_preview_final_composite_pass(const StrokePreviewCompositePassInputs& inputs)
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{
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pp::panopainter::execute_legacy_stroke_preview_final_composite(
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[&] {
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pp::panopainter::setup_legacy_stroke_composite_shader(
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pp::panopainter::LegacyStrokeCompositeUniforms {
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.resolution = inputs.resolution,
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.pattern = {
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.scale = inputs.pattern_scale,
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.invert = static_cast<float>(inputs.brush.m_pattern_invert),
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.brightness = inputs.brush.m_pattern_brightness,
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.contrast = inputs.brush.m_pattern_contrast,
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.depth = inputs.brush.m_pattern_depth,
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.blend_mode = inputs.composite_pass.pattern_blend_mode,
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.offset = glm::vec2(inputs.brush.m_pattern_rand_offset ? 0.5f : 0.0f),
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},
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.mvp = glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f),
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.layer_alpha = 1.0f,
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.alpha_lock = false,
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.mask_enabled = false,
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.use_fragcoord = false,
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.blend_mode = inputs.brush.m_blend_mode,
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.use_dual = inputs.composite_pass.use_dual,
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.dual_blend_mode = inputs.composite_pass.dual_blend_mode,
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.dual_alpha = inputs.composite_pass.dual_alpha,
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.use_pattern = inputs.composite_pass.use_pattern,
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});
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},
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[&] {
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inputs.linear_sampler.bind(stroke_preview_composite_slots::kBackground);
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inputs.linear_sampler.bind(stroke_preview_composite_slots::kStroke);
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inputs.linear_sampler.bind(2U);
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inputs.linear_sampler.bind(stroke_preview_composite_slots::kDual);
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inputs.repeat_sampler.bind(stroke_preview_composite_slots::kPattern);
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},
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[&] {
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set_active_texture_unit(stroke_preview_composite_slots::kBackground);
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inputs.background_texture.bind();
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set_active_texture_unit(stroke_preview_composite_slots::kStroke);
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inputs.stroke_texture.bind();
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set_active_texture_unit(stroke_preview_composite_slots::kDual);
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inputs.dual_texture.bind();
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set_active_texture_unit(stroke_preview_composite_slots::kPattern);
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inputs.brush.m_pattern_texture ?
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inputs.brush.m_pattern_texture->bind() :
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unbind_texture_2d();
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},
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[&] {
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inputs.draw_composite();
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});
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}
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void copy_stroke_preview_framebuffer_to_texture(
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Texture2D& texture,
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glm::vec2 size,
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std::uint32_t texture_unit)
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{
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set_active_texture_unit(texture_unit);
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texture.bind();
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copy_framebuffer_to_texture_2d(
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0,
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0,
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0,
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0,
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static_cast<int>(size.x),
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static_cast<int>(size.y));
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}
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void bind_stroke_preview_live_samplers(
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Sampler& mipmap_sampler,
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Sampler& linear_sampler,
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Sampler& repeat_sampler)
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{
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mipmap_sampler.bind(stroke_preview_live_slots::kTip);
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linear_sampler.bind(stroke_preview_live_slots::kDestination);
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repeat_sampler.bind(stroke_preview_live_slots::kPattern);
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linear_sampler.bind(stroke_preview_live_slots::kMixer);
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linear_sampler.bind(stroke_preview_live_slots::kReservedLinear);
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}
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void bind_stroke_preview_dual_pass_textures(const Brush& dual_brush)
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{
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set_active_texture_unit(stroke_preview_live_slots::kTip);
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dual_brush.m_tip_texture ?
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dual_brush.m_tip_texture->bind() :
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unbind_texture_2d();
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}
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void bind_stroke_preview_main_pass_textures(
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const Brush& brush,
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Texture2D& stroke_destination_texture,
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RTT& mixer_rtt,
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bool copy_stroke_destination,
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bool uses_mixer)
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{
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set_active_texture_unit(stroke_preview_live_slots::kTip);
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brush.m_tip_texture ?
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brush.m_tip_texture->bind() :
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unbind_texture_2d();
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if (copy_stroke_destination)
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{
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set_active_texture_unit(stroke_preview_live_slots::kDestination);
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stroke_destination_texture.bind();
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}
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set_active_texture_unit(stroke_preview_live_slots::kPattern);
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brush.m_pattern_texture ?
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brush.m_pattern_texture->bind() :
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unbind_texture_2d();
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set_active_texture_unit(stroke_preview_live_slots::kMixer);
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uses_mixer ? mixer_rtt.bindTexture() : unbind_texture_2d();
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}
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void bind_stroke_preview_destination_texture(Texture2D& texture)
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{
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set_active_texture_unit(stroke_preview_live_slots::kDestination);
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texture.bind();
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}
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void unbind_stroke_preview_destination_texture(Texture2D& texture)
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{
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set_active_texture_unit(stroke_preview_live_slots::kDestination);
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texture.unbind();
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}
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void copy_stroke_preview_destination_texture_region(
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height)
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{
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copy_framebuffer_to_texture_2d(src_x, src_y, dst_x, dst_y, width, height);
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}
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std::array<pp::paint_renderer::CanvasStrokePoint, 4> make_stroke_preview_sample_points(
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const std::array<vertex_t, 4>& vertices)
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{
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return {
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pp::paint_renderer::CanvasStrokePoint { .x = vertices[0].pos.x, .y = vertices[0].pos.y },
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pp::paint_renderer::CanvasStrokePoint { .x = vertices[1].pos.x, .y = vertices[1].pos.y },
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pp::paint_renderer::CanvasStrokePoint { .x = vertices[2].pos.x, .y = vertices[2].pos.y },
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pp::paint_renderer::CanvasStrokePoint { .x = vertices[3].pos.x, .y = vertices[3].pos.y },
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};
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}
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void upload_stroke_preview_brush_vertices(DynamicShape& brush_shape, std::span<const vertex_t> vertices)
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{
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brush_shape.update_vertices(
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const_cast<vertex_t*>(vertices.data()),
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static_cast<int>(vertices.size()));
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}
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glm::vec4 execute_stroke_preview_sample_pass(
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std::array<vertex_t, 4>& vertices,
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glm::vec2 target_size,
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Texture2D& blend_texture,
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DynamicShape& brush_shape,
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bool copy_stroke_destination)
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{
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const auto sample_points = make_stroke_preview_sample_points(vertices);
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const auto result = pp::panopainter::execute_legacy_canvas_stroke_sample(
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pp::panopainter::LegacyStrokeSampleExecutionRequest {
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.context = "NodeStrokePreview::stroke_draw_samples",
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.target_size = target_size,
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.vertices = vertices,
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.sample_points = sample_points,
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.copy_stroke_destination = copy_stroke_destination,
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.bind_destination_texture = [&] {
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bind_stroke_preview_destination_texture(blend_texture);
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},
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.copy_framebuffer_to_destination_texture = [](
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height) {
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copy_stroke_preview_destination_texture_region(
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src_x,
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src_y,
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dst_x,
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dst_y,
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width,
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height);
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},
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.unbind_destination_texture = [&] {
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unbind_stroke_preview_destination_texture(blend_texture);
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},
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.upload_brush_vertices = [&](std::span<const vertex_t> brush_vertices) {
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upload_stroke_preview_brush_vertices(brush_shape, brush_vertices);
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},
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.draw_brush_shape = [&] {
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brush_shape.draw_fill();
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},
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});
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return result.dirty_bounds;
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}
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void execute_stroke_preview_background_capture_pass(
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glm::vec2 size,
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bool colorize,
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Texture2D& background_texture,
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const std::function<void()>& draw_checkerboard)
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{
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pp::panopainter::execute_legacy_stroke_preview_background_capture(
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[&] {
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const float aspect = size.x / size.y;
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pp::panopainter::setup_legacy_canvas_draw_merge_checkerboard_shader(
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pp::panopainter::LegacyCanvasDrawMergeCheckerboardUniforms {
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.mvp = glm::ortho(-.5f, .5f, -.5f / aspect, .5f / aspect, -1.f, 1.f),
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.colorize = colorize,
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});
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},
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[&] {
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draw_checkerboard();
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},
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[&] {
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background_texture.bind();
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},
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[](
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height) {
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copy_framebuffer_to_texture_2d(src_x, src_y, dst_x, dst_y, width, height);
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},
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pp::panopainter::LegacyStrokePreviewCopySize {
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.width = static_cast<int>(size.x),
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.height = static_cast<int>(size.y),
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});
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}
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void copy_stroke_preview_result_to_texture(Texture2D& preview_texture, glm::vec2 size)
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{
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pp::panopainter::copy_legacy_stroke_preview_texture(
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[&] {
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preview_texture.bind();
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},
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[](
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height) {
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copy_framebuffer_to_texture_2d(src_x, src_y, dst_x, dst_y, width, height);
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},
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pp::panopainter::LegacyStrokePreviewCopySize {
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.width = static_cast<int>(size.x),
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.height = static_cast<int>(size.y),
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});
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}
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}
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std::atomic_int NodeStrokePreview::s_instances{ 0 };
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std::atomic_bool NodeStrokePreview::s_running{ false };
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std::mutex NodeStrokePreview::s_render_mutex;
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std::thread NodeStrokePreview::s_renderer;
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BlockingQueue<std::shared_ptr<NodeStrokePreview>> NodeStrokePreview::s_queue;
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RTT NodeStrokePreview::m_rtt;
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RTT NodeStrokePreview::m_rtt_mixer;
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Texture2D NodeStrokePreview::m_tex; // blending tmp texture
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Texture2D NodeStrokePreview::m_tex_dual;
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Texture2D NodeStrokePreview::m_tex_background;
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Sampler NodeStrokePreview::m_sampler_linear;
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Sampler NodeStrokePreview::m_sampler_linear_repeat;
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Sampler NodeStrokePreview::m_sampler_mipmap;
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DynamicShape NodeStrokePreview::m_brush_shape;
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void NodeStrokePreview::terminate_renderer()
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{
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if (s_running && s_renderer.joinable())
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{
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s_running = false;
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s_queue.UnlockGetters();
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s_renderer.join();
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}
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}
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void NodeStrokePreview::empty_queue()
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{
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s_queue.q.clear();
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}
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Node* NodeStrokePreview::clone_instantiate() const
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{
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return new NodeStrokePreview();
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}
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void NodeStrokePreview::clone_copy(Node* dest) const
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{
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NodeBorder::clone_copy(dest);
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}
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void NodeStrokePreview::clone_children(Node* dest) const
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{
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// stop children cloning
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}
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void NodeStrokePreview::clone_finalize(Node* dest) const
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{
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NodeStrokePreview* n = (NodeStrokePreview*)dest;
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n->init_controls();
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}
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void NodeStrokePreview::init_controls()
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{
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// TextureManager::load("data/thumbs/Round-Hard.png");
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// Canvas::I->m_current_brush.m_tex_id = const_hash("data/thumbs/Round-Hard.png");
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}
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void NodeStrokePreview::restore_context()
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{
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|
NodeBorder::restore_context();
|
|
init_controls();
|
|
if (m_size.x > 0 && m_size.y > 0)
|
|
m_tex_preview.create(static_cast<int>(m_size.x), static_cast<int>(m_size.y));
|
|
draw_stroke();
|
|
}
|
|
|
|
void NodeStrokePreview::clear_context()
|
|
{
|
|
NodeBorder::clear_context();
|
|
m_tex_preview.destroy();
|
|
}
|
|
|
|
void NodeStrokePreview::stroke_draw_mix(const glm::vec2& bb_min, const glm::vec2& bb_sz)
|
|
{
|
|
const auto& b = m_brush;
|
|
const auto mix_pass = pp::panopainter::plan_legacy_node_stroke_preview_mix_pass(
|
|
make_stroke_preview_mix_pass_request(*b, m_size));
|
|
gl_state gl;
|
|
[[maybe_unused]] const bool mix_ok = pp::panopainter::execute_legacy_node_stroke_preview_mix_pass(
|
|
pp::panopainter::LegacyNodeStrokePreviewMixExecutionRequest {
|
|
.shader = mix_pass.shader,
|
|
.mixer_width = m_rtt_mixer.getWidth(),
|
|
.mixer_height = m_rtt_mixer.getHeight(),
|
|
.scissor_x = static_cast<int>(bb_min.x),
|
|
.scissor_y = static_cast<int>(bb_min.y),
|
|
.scissor_width = static_cast<int>(bb_sz.x),
|
|
.scissor_height = static_cast<int>(bb_sz.y),
|
|
.save_state = [&] {
|
|
gl.save();
|
|
},
|
|
.setup_mix_shader = [&](const pp::panopainter::LegacyNodeStrokePreviewMixPassPlan::ShaderPlan& shader_plan) {
|
|
pp::panopainter::setup_legacy_stroke_composite_shader(
|
|
make_stroke_preview_mix_composite_uniforms(shader_plan));
|
|
},
|
|
.bind_mixer_framebuffer = [&] {
|
|
m_rtt_mixer.bindFramebuffer();
|
|
},
|
|
.configure_mix_target_state = [&](
|
|
int mixer_width,
|
|
int mixer_height,
|
|
int scissor_x,
|
|
int scissor_y,
|
|
int scissor_width,
|
|
int scissor_height) {
|
|
apply_stroke_preview_viewport(0, 0, mixer_width, mixer_height);
|
|
apply_stroke_preview_capability(pp::renderer::gl::depth_test_state(), false);
|
|
apply_stroke_preview_capability(pp::renderer::gl::scissor_test_state(), true);
|
|
apply_stroke_preview_capability(pp::renderer::gl::blend_state(), false);
|
|
apply_stroke_preview_scissor(
|
|
scissor_x,
|
|
scissor_y,
|
|
scissor_width,
|
|
scissor_height);
|
|
},
|
|
.bind_mix_inputs = [&] {
|
|
m_sampler_linear.bind(stroke_preview_composite_slots::kBackground);
|
|
set_active_texture_unit(stroke_preview_composite_slots::kBackground);
|
|
m_tex_background.bind();
|
|
set_active_texture_unit(stroke_preview_composite_slots::kStroke);
|
|
m_rtt.bindTexture();
|
|
set_active_texture_unit(stroke_preview_composite_slots::kDual);
|
|
m_tex_dual.bind();
|
|
set_active_texture_unit(stroke_preview_composite_slots::kPattern);
|
|
b->m_pattern_texture ?
|
|
b->m_pattern_texture->bind() :
|
|
unbind_texture_2d();
|
|
},
|
|
.draw_mix = [&] {
|
|
m_plane.draw_fill();
|
|
},
|
|
.unbind_mixer_framebuffer = [&] {
|
|
m_rtt_mixer.unbindFramebuffer();
|
|
},
|
|
.restore_state = [&] {
|
|
gl.restore();
|
|
},
|
|
});
|
|
assert(mix_ok);
|
|
}
|
|
|
|
glm::vec4 NodeStrokePreview::stroke_draw_samples(
|
|
std::array<vertex_t, 4>& P,
|
|
Texture2D& blend_tex,
|
|
bool copy_stroke_destination)
|
|
{
|
|
const glm::vec2 size = { m_rtt.getWidth(), m_rtt.getHeight() };
|
|
return execute_stroke_preview_sample_pass(
|
|
P,
|
|
size,
|
|
blend_tex,
|
|
m_brush_shape,
|
|
copy_stroke_destination);
|
|
}
|
|
|
|
std::vector<NodeStrokePreview::StrokeFrame> NodeStrokePreview::stroke_draw_compute(Stroke& stroke, float zoom) const
|
|
{
|
|
auto samples = stroke.compute_samples();
|
|
StrokeSample previous_sample = stroke.m_prev_sample;
|
|
previous_sample.size *= zoom;
|
|
for (auto& sample : samples) {
|
|
sample.size *= zoom;
|
|
}
|
|
|
|
return pp::panopainter::plan_legacy_canvas_stroke_frames(
|
|
pp::panopainter::LegacyCanvasStrokeComputeRequest {
|
|
.previous_sample = previous_sample,
|
|
.samples = samples,
|
|
.zoom = 1.0f,
|
|
.mixer_size = glm::vec2(m_rtt.getWidth(), m_rtt.getHeight()),
|
|
},
|
|
[](
|
|
std::array<vertex_t, 4>& brush_quad,
|
|
bool /*project_3d*/,
|
|
glm::mat4 /*model_view*/) {
|
|
return brush_quad;
|
|
},
|
|
[](
|
|
glm::vec4 mixer_rect,
|
|
glm::vec4 color,
|
|
float flow,
|
|
float opacity,
|
|
std::array<vertex_t, 4>&& shapes) {
|
|
return StrokeFrame {
|
|
.col = color,
|
|
.flow = flow,
|
|
.opacity = opacity,
|
|
.shapes = std::move(shapes),
|
|
.m_mixer_rect = mixer_rect,
|
|
};
|
|
});
|
|
}
|
|
|
|
void NodeStrokePreview::draw_stroke_immediate()
|
|
{
|
|
if (m_size.x == 0 || m_size.y == 0)
|
|
return;
|
|
|
|
const auto vp = query_stroke_preview_viewport();
|
|
const auto cc = query_stroke_preview_clear_color();
|
|
|
|
float zoom = root()->m_zoom;
|
|
|
|
glm::vec2 size = { m_rtt.getWidth(), m_rtt.getHeight() };
|
|
const auto stroke_setup = pp::panopainter::plan_legacy_node_stroke_preview_stroke_setup(
|
|
pp::panopainter::LegacyNodeStrokePreviewStrokeSetupRequest {
|
|
.preview_size = m_size,
|
|
.zoom = zoom,
|
|
.brush_tip_size = m_brush->m_tip_size,
|
|
.stroke_max_size_override = m_max_size,
|
|
.pad_override = m_pad_override,
|
|
.tip_size_pressure = m_brush->m_tip_size_pressure,
|
|
.dual_enabled = m_brush->m_dual_enabled,
|
|
.dual_size = m_brush->m_dual_size,
|
|
.pattern_scale = m_brush->m_pattern_scale,
|
|
.pattern_flipx = m_brush->m_pattern_flipx,
|
|
.pattern_flipy = m_brush->m_pattern_flipy,
|
|
});
|
|
glm::mat4 ortho_proj = glm::ortho<float>(0, size.x, 0, size.y, -1, 1);
|
|
apply_stroke_preview_viewport(0, 0, m_rtt.getWidth(), m_rtt.getHeight());
|
|
m_rtt.bindFramebuffer();
|
|
m_rtt.clear();
|
|
bind_stroke_preview_live_samplers(
|
|
m_sampler_mipmap,
|
|
m_sampler_linear,
|
|
m_sampler_linear_repeat);
|
|
|
|
const auto& b = m_brush;
|
|
|
|
Stroke m_stroke;
|
|
Stroke m_dual_stroke;
|
|
|
|
m_stroke.m_filter_points = false;
|
|
m_stroke.m_max_size = stroke_setup.stroke_max_size;
|
|
m_stroke.m_camera.fov = Canvas::I->m_cam_fov;
|
|
m_stroke.m_camera.rot = Canvas::I->m_cam_rot;
|
|
m_stroke.reset(true);
|
|
m_stroke.start(b);
|
|
|
|
auto dual_brush = std::make_shared<Brush>();
|
|
dual_brush->m_tip_scale = b->m_dual_scale;
|
|
dual_brush->m_tip_angle = b->m_dual_angle;
|
|
dual_brush->m_tip_flow = b->m_dual_flow;
|
|
dual_brush->m_tip_opacity = b->m_dual_opacity;
|
|
dual_brush->m_tip_flipx = b->m_dual_flipx;
|
|
dual_brush->m_tip_flipy = b->m_dual_flipy;
|
|
dual_brush->m_tip_invert = b->m_dual_invert;
|
|
dual_brush->m_blend_mode = b->m_dual_blend_mode;
|
|
dual_brush->m_tip_randflipx = b->m_dual_randflip;
|
|
dual_brush->m_tip_randflipy = b->m_dual_randflip;
|
|
dual_brush->m_tip_size = b->m_dual_size * b->m_tip_size;
|
|
dual_brush->m_tip_spacing = b->m_dual_spacing;
|
|
dual_brush->m_jitter_scatter = b->m_dual_scatter;
|
|
dual_brush->m_jitter_scatter_bothaxis = b->m_dual_scatter_bothaxis;
|
|
dual_brush->m_jitter_angle = b->m_dual_rotate;
|
|
dual_brush->m_tip_texture = b->m_dual_texture;
|
|
dual_brush->m_tip_aspect = b->m_dual_aspect;
|
|
|
|
if (stroke_setup.dual_enabled)
|
|
{
|
|
m_dual_stroke.m_filter_points = false;
|
|
m_dual_stroke.m_max_size = stroke_setup.dual_stroke_max_size;
|
|
m_dual_stroke.m_camera.fov = Canvas::I->m_cam_fov;
|
|
m_dual_stroke.m_camera.rot = Canvas::I->m_cam_rot;
|
|
m_dual_stroke.reset(true);
|
|
m_dual_stroke.start(dual_brush);
|
|
}
|
|
|
|
for (const auto& point : stroke_setup.points)
|
|
{
|
|
m_stroke.add_point(point.position, point.pressure);
|
|
if (stroke_setup.dual_enabled)
|
|
m_dual_stroke.add_point(point.position, point.pressure);
|
|
}
|
|
|
|
const glm::vec2 patt_scale = stroke_setup.pattern_scale;
|
|
|
|
apply_stroke_preview_capability(pp::renderer::gl::blend_state(), false);
|
|
const auto pass_orchestration = pp::panopainter::plan_legacy_node_stroke_preview_pass_orchestration(
|
|
pp::panopainter::LegacyNodeStrokePreviewPassOrchestrationRequest {
|
|
.features = stroke_preview_render_device_features(),
|
|
.preview_size = size,
|
|
.pattern_scale = b->m_pattern_scale,
|
|
.pattern_flipx = b->m_pattern_flipx,
|
|
.pattern_flipy = b->m_pattern_flipy,
|
|
.pattern_invert = b->m_pattern_invert,
|
|
.pattern_brightness = b->m_pattern_brightness,
|
|
.pattern_contrast = b->m_pattern_contrast,
|
|
.pattern_depth = b->m_pattern_depth,
|
|
.pattern_rand_offset = b->m_pattern_rand_offset,
|
|
.pattern_enabled = b->m_pattern_enabled,
|
|
.pattern_eachsample = b->m_pattern_eachsample,
|
|
.tip_mix = b->m_tip_mix,
|
|
.tip_wet = b->m_tip_wet,
|
|
.tip_noise = b->m_tip_noise,
|
|
.dual_enabled = b->m_dual_enabled,
|
|
.dual_blend_mode = b->m_dual_blend_mode,
|
|
.dual_opacity = b->m_dual_opacity,
|
|
.pattern_blend_mode = b->m_pattern_blend_mode,
|
|
.blend_mode = b->m_blend_mode,
|
|
.mvp = ortho_proj,
|
|
});
|
|
const bool copy_stroke_destination = pass_orchestration.copy_stroke_destination;
|
|
const auto& material = pass_orchestration.material;
|
|
pp::panopainter::setup_legacy_stroke_shader(pass_orchestration.stroke_shader);
|
|
|
|
const bool sequence_ok = pp::panopainter::execute_legacy_node_stroke_preview_pass_sequence(
|
|
pp::panopainter::LegacyNodeStrokePreviewPassSequenceRequest {
|
|
.dual_pass_enabled = material.dual_pass.enabled,
|
|
.prepare_dual_pass = [&] {
|
|
pp::panopainter::setup_legacy_stroke_dual_shader(material.dual_pass.uses_pattern);
|
|
bind_stroke_preview_dual_pass_textures(*dual_brush);
|
|
},
|
|
.execute_dual_pass = [&] {
|
|
pp::panopainter::execute_legacy_stroke_preview_live_pass(
|
|
[&] {
|
|
m_rtt.clear();
|
|
},
|
|
[&] {
|
|
return stroke_draw_compute(m_dual_stroke, zoom);
|
|
},
|
|
[](auto& frame) {
|
|
frame.col = { 0, 0, 0, 1 };
|
|
},
|
|
[&](auto& frame) {
|
|
pp::panopainter::use_legacy_stroke_shader();
|
|
pp::panopainter::apply_legacy_stroke_sample_uniforms(
|
|
pp::panopainter::LegacyStrokeSampleUniforms {
|
|
.color = frame.col,
|
|
.alpha = frame.flow,
|
|
.opacity = frame.opacity,
|
|
});
|
|
},
|
|
[&](auto& frame) {
|
|
/*auto rect =*/ stroke_draw_samples(frame.shapes, m_tex_dual, copy_stroke_destination);
|
|
},
|
|
[&] {
|
|
copy_stroke_preview_framebuffer_to_texture(
|
|
m_tex_dual,
|
|
size,
|
|
stroke_preview_composite_slots::kStroke);
|
|
});
|
|
},
|
|
.capture_background = [&] {
|
|
execute_stroke_preview_background_capture_pass(
|
|
size,
|
|
pass_orchestration.background_colorize,
|
|
m_tex_background,
|
|
[&] {
|
|
m_plane.draw_fill();
|
|
});
|
|
},
|
|
.prepare_main_pass = [&] {},
|
|
.execute_main_pass = [&] {
|
|
[[maybe_unused]] const bool main_live_ok =
|
|
pp::panopainter::execute_legacy_node_stroke_preview_main_live_pass(
|
|
pp::panopainter::LegacyNodeStrokePreviewMainLivePassRequestT<StrokeFrame> {
|
|
.setup_blend_uniforms = [&] {
|
|
pp::panopainter::apply_legacy_stroke_blend_uniforms(
|
|
material.stroke_pass.uses_pattern,
|
|
b->m_tip_mix,
|
|
b->m_tip_wet,
|
|
b->m_tip_noise);
|
|
},
|
|
.bind_main_pass_textures = [&] {
|
|
bind_stroke_preview_main_pass_textures(
|
|
*b,
|
|
m_tex,
|
|
m_rtt_mixer,
|
|
copy_stroke_destination,
|
|
material.stroke_pass.uses_mixer);
|
|
},
|
|
.clear_target = [&] {
|
|
m_rtt.clear();
|
|
},
|
|
.compute_frames = [&] {
|
|
return stroke_draw_compute(m_stroke, zoom);
|
|
},
|
|
.before_frame = [&](auto& frame) {
|
|
if (b->m_tip_mix > 0.f)
|
|
{
|
|
stroke_draw_mix(xy(frame.m_mixer_rect), zw(frame.m_mixer_rect));
|
|
}
|
|
|
|
frame.col = b->m_blend_mode != 0 || b->m_tip_mix > 0.f ?
|
|
glm::vec4 { .7, .4, .1, 1 } :
|
|
glm::vec4 { 0, 0, 0, 1 };
|
|
frame.flow = glm::max(frame.flow, m_min_flow);
|
|
},
|
|
.setup_sample_shader = [&](auto& frame) {
|
|
pp::panopainter::use_legacy_stroke_shader();
|
|
pp::panopainter::apply_legacy_stroke_sample_uniforms(
|
|
pp::panopainter::LegacyStrokeSampleUniforms {
|
|
.color = frame.col,
|
|
.alpha = frame.flow,
|
|
.opacity = frame.opacity,
|
|
});
|
|
},
|
|
.draw_sample = [&](auto& frame) {
|
|
/*auto rect =*/ stroke_draw_samples(frame.shapes, m_tex, copy_stroke_destination);
|
|
},
|
|
.copy_pass_result = [&] {
|
|
copy_stroke_preview_framebuffer_to_texture(
|
|
m_tex,
|
|
size,
|
|
stroke_preview_composite_slots::kStroke);
|
|
},
|
|
.finish_main_pass = [&] {
|
|
set_active_texture_unit(stroke_preview_live_slots::kMixer);
|
|
m_rtt_mixer.unbindTexture();
|
|
},
|
|
});
|
|
},
|
|
.finish_main_pass = [&] {},
|
|
.execute_final_composite = [&] {
|
|
execute_stroke_preview_final_composite_pass(
|
|
StrokePreviewCompositePassInputs {
|
|
.resolution = size,
|
|
.pattern_scale = patt_scale,
|
|
.brush = *b,
|
|
.composite_pass = material.composite_pass,
|
|
.background_texture = m_tex_background,
|
|
.stroke_texture = m_tex,
|
|
.dual_texture = m_tex_dual,
|
|
.linear_sampler = m_sampler_linear,
|
|
.repeat_sampler = m_sampler_linear_repeat,
|
|
.draw_composite = [&] {
|
|
m_plane.draw_fill();
|
|
},
|
|
});
|
|
},
|
|
.copy_preview_result = [&] {
|
|
copy_stroke_preview_result_to_texture(m_tex_preview, size);
|
|
},
|
|
});
|
|
assert(sequence_ok);
|
|
|
|
m_rtt.unbindFramebuffer();
|
|
|
|
apply_stroke_preview_viewport(vp.x, vp.y, vp.width, vp.height);
|
|
apply_stroke_preview_clear_color(cc);
|
|
}
|
|
|
|
Image NodeStrokePreview::render_to_image()
|
|
{
|
|
std::lock_guard<std::mutex> _lock(s_render_mutex);
|
|
|
|
App::I->render_task([this] {
|
|
auto new_size = m_preview_size;
|
|
if (!m_tex_preview.ready() || m_tex_preview.size() != new_size)
|
|
m_tex_preview.create((int)new_size.x, (int)new_size.y);
|
|
if (m_tex.size() != new_size)
|
|
{
|
|
m_rtt.create((int)new_size.x, (int)new_size.y);
|
|
m_rtt_mixer.create((int)new_size.x, (int)new_size.y);
|
|
m_tex.create((int)new_size.x, (int)new_size.y);
|
|
m_tex_dual.create((int)new_size.x, (int)new_size.y);
|
|
m_tex_background.create((int)new_size.x, (int)new_size.y);
|
|
}
|
|
draw_stroke_immediate();
|
|
});
|
|
return m_tex_preview.get_image();
|
|
}
|
|
|
|
void NodeStrokePreview::draw_stroke()
|
|
{
|
|
if (m_size.x == 0 || m_size.y == 0)
|
|
return;
|
|
s_queue.mutex.lock();
|
|
if (!s_running)
|
|
{
|
|
s_running = true;
|
|
s_renderer = std::thread([] {
|
|
BT_SetTerminate();
|
|
|
|
m_sampler_linear.create();
|
|
m_sampler_linear_repeat.create(
|
|
pp::renderer::gl::linear_texture_filter(),
|
|
pp::renderer::gl::repeat_texture_wrap());
|
|
m_sampler_mipmap.create();
|
|
m_sampler_mipmap.set_filter(
|
|
pp::renderer::gl::linear_mipmap_linear_texture_filter(),
|
|
pp::renderer::gl::linear_texture_filter());
|
|
m_brush_shape.create();
|
|
while (s_running)
|
|
{
|
|
auto node = s_queue.Get();
|
|
if (node)
|
|
{
|
|
std::lock_guard<std::mutex> _lock(s_render_mutex);
|
|
|
|
// if the brush is not already loaded, load it and then destroy it
|
|
bool to_unload = (node->m_brush->m_tip_texture == nullptr);
|
|
node->m_brush->preload();
|
|
|
|
App::I->render_task([node, to_unload]
|
|
{
|
|
gl_state gl;
|
|
gl.save();
|
|
|
|
auto new_size = node->m_preview_size;
|
|
if (!node->m_tex_preview.ready() || node->m_tex_preview.size() != new_size)
|
|
node->m_tex_preview.create((int)new_size.x, (int)new_size.y);
|
|
if (m_tex.size() != new_size)
|
|
{
|
|
m_rtt.create((int)new_size.x, (int)new_size.y);
|
|
m_rtt_mixer.create((int)new_size.x, (int)new_size.y);
|
|
m_tex.create((int)new_size.x, (int)new_size.y);
|
|
m_tex_dual.create((int)new_size.x, (int)new_size.y);
|
|
m_tex_background.create((int)new_size.x, (int)new_size.y);
|
|
}
|
|
|
|
node->m_brush->load();
|
|
node->draw_stroke_immediate();
|
|
if (to_unload)
|
|
node->m_brush->unload();
|
|
|
|
gl.restore();
|
|
});
|
|
|
|
node->app_redraw();
|
|
|
|
//std::this_thread::sleep_for(std::chrono::milliseconds(30));
|
|
std::this_thread::yield();
|
|
}
|
|
}
|
|
m_rtt.destroy();
|
|
m_rtt_mixer.destroy();
|
|
m_tex.destroy();
|
|
m_tex_dual.destroy();
|
|
m_tex_background.destroy();
|
|
m_brush_shape.destroy();
|
|
});
|
|
}
|
|
s_queue.mutex.unlock();
|
|
s_queue.PostUnique(std::static_pointer_cast<NodeStrokePreview>(shared_from_this()), m_draw_first);
|
|
}
|
|
|
|
void NodeStrokePreview::draw()
|
|
{
|
|
pp::panopainter::setup_legacy_canvas_draw_merge_texture_shader(
|
|
pp::panopainter::LegacyCanvasDrawMergeTextureUniforms {
|
|
.mvp = m_mvp,
|
|
.texture_slot = 0,
|
|
});
|
|
m_tex_preview.bind();
|
|
m_sampler_linear.bind(0);
|
|
m_plane.draw_fill();
|
|
m_sampler_linear.unbind();
|
|
m_tex_preview.unbind();
|
|
}
|
|
|
|
void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)
|
|
{
|
|
if (m_preview_size == (new_size * root()->m_zoom) || !m_brush)
|
|
return;
|
|
|
|
m_preview_size = new_size * root()->m_zoom;
|
|
|
|
if (m_on_screen)
|
|
draw_stroke();
|
|
}
|
|
|
|
void NodeStrokePreview::destroy()
|
|
{
|
|
m_tex_preview.destroy();
|
|
Node::destroy();
|
|
}
|
|
|
|
void NodeStrokePreview::handle_on_screen(bool old_visibility, bool new_visibility)
|
|
{
|
|
parent::handle_on_screen(old_visibility, new_visibility);
|
|
if (new_visibility)
|
|
{
|
|
draw_stroke();
|
|
}
|
|
else
|
|
{
|
|
s_queue.Remove(std::static_pointer_cast<NodeStrokePreview>(shared_from_this()));
|
|
m_tex_preview.destroy();
|
|
}
|
|
}
|