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Extract preview mix pass execution

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This commit is contained in:
omigamedev
2026-06-14 00:02:15 +02:00
parent cf859cd4c2
commit 3cd0bdb026
4 changed files with 84 additions and 59 deletions
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130
src/node_stroke_preview.cpp
View File

@@ -514,64 +514,11 @@ void NodeStrokePreview::stroke_draw_mix(const glm::vec2& bb_min, const glm::vec2
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();
},
});
make_stroke_draw_mix_execution_request(
mix_pass,
gl,
bb_min,
bb_sz));
assert(mix_ok);
}
@@ -931,6 +878,73 @@ NodeStrokePreview::make_stroke_draw_immediate_pass_sequence_request(
};
}
pp::panopainter::LegacyNodeStrokePreviewMixExecutionRequest
NodeStrokePreview::make_stroke_draw_mix_execution_request(
const pp::panopainter::LegacyNodeStrokePreviewMixPassPlan& mix_pass,
gl_state& gl,
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 = [&] {
m_plane.draw_fill();
},
.unbind_mixer_framebuffer = [&] {
m_rtt_mixer.unbindFramebuffer();
},
.restore_state = [&] {
gl.restore();
},
};
}
Image NodeStrokePreview::render_to_image()
{
std::lock_guard<std::mutex> _lock(s_render_mutex);

5
src/node_stroke_preview.h
View File

@@ -73,6 +73,11 @@ public:
bool copy_stroke_destination,
float zoom,
const glm::vec2& size);
pp::panopainter::LegacyNodeStrokePreviewMixExecutionRequest make_stroke_draw_mix_execution_request(
const pp::panopainter::LegacyNodeStrokePreviewMixPassPlan& mix_pass,
gl_state& gl,
const glm::vec2& bb_min,
const glm::vec2& bb_sz);
void draw_stroke();
void draw_stroke_immediate();
Image render_to_image();