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Extract preview mix request helper

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This commit is contained in:
omigamedev
2026-06-14 00:12:32 +02:00
parent aa213a69f8
commit c147c1d163
1 changed files with 69 additions and 57 deletions
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126
src/node_stroke_preview.cpp
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@@ -149,6 +149,62 @@ pp::panopainter::LegacyStrokeCompositeUniforms make_stroke_preview_mix_composite
};
}
pp::panopainter::LegacyNodeStrokePreviewMixExecutionRequest make_stroke_preview_mix_execution_request(
const pp::panopainter::LegacyNodeStrokePreviewMixPassPlan::ShaderPlan& shader,
RTT& mixer_rtt,
const Brush& brush,
Sampler& linear_sampler,
Texture2D& background_texture,
Texture2D& stroke_texture,
Texture2D& dual_texture,
gl_state& gl,
const glm::vec2& bb_min,
const glm::vec2& bb_sz,
std::function<void()> draw_mix)
{
return pp::panopainter::LegacyNodeStrokePreviewMixExecutionRequest {
.shader = shader,
.mixer_width = mixer_rtt.getWidth(),
.mixer_height = mixer_rtt.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 = [&] { mixer_rtt.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 = [&] {
linear_sampler.bind(stroke_preview_composite_slots::kBackground);
set_active_texture_unit(stroke_preview_composite_slots::kBackground);
background_texture.bind();
set_active_texture_unit(stroke_preview_composite_slots::kStroke);
stroke_texture.bind();
set_active_texture_unit(stroke_preview_composite_slots::kDual);
dual_texture.bind();
set_active_texture_unit(stroke_preview_composite_slots::kPattern);
brush.m_pattern_texture ? brush.m_pattern_texture->bind() : unbind_texture_2d();
},
.draw_mix = std::move(draw_mix),
.unbind_mixer_framebuffer = [&] { mixer_rtt.unbindFramebuffer(); },
.restore_state = [&] { gl.restore(); },
};
}
void execute_stroke_preview_final_composite_pass(const StrokePreviewCompositePassInputs& inputs)
{
[[maybe_unused]] const bool composite_ok =
@@ -915,64 +971,20 @@ NodeStrokePreview::make_stroke_draw_mix_execution_request(
const glm::vec2& bb_min,
const glm::vec2& bb_sz)
{
return 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);
m_brush->m_pattern_texture ?
m_brush->m_pattern_texture->bind() :
unbind_texture_2d();
},
.draw_mix = [&] {
return make_stroke_preview_mix_execution_request(
mix_pass.shader,
m_rtt_mixer,
*m_brush,
m_sampler_linear,
m_tex_background,
m_rtt,
m_tex_dual,
gl,
bb_min,
bb_sz,
[this] {
m_plane.draw_fill();
},
.unbind_mixer_framebuffer = [&] {
m_rtt_mixer.unbindFramebuffer();
},
.restore_state = [&] {
gl.restore();
},
};
});
}
Image NodeStrokePreview::render_to_image()