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Route paint UI clear state through GL backend

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This commit is contained in:
omigamedev
2026-06-04 23:05:19 +02:00
parent b65db6f617
commit b8c7cd6e99
8 changed files with 330 additions and 40 deletions
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66
src/node_stroke_preview.cpp
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@@ -10,6 +10,7 @@
#include "renderer_gl/opengl_capabilities.h"
#include "util.h"
#include <algorithm>
#include <array>
#include <cstdint>
namespace {
@@ -92,6 +93,26 @@ void set_opengl_scissor(std::int32_t x, std::int32_t y, std::int32_t width, std:
glScissor(static_cast<GLint>(x), static_cast<GLint>(y), static_cast<GLsizei>(width), static_cast<GLsizei>(height));
}
void set_opengl_clear_color(float r, float g, float b, float a) noexcept
{
glClearColor(r, g, b, a);
}
void get_opengl_integer(std::uint32_t name, std::int32_t* values) noexcept
{
GLint raw_values[4] {};
glGetIntegerv(static_cast<GLenum>(name), raw_values);
values[0] = static_cast<std::int32_t>(raw_values[0]);
values[1] = static_cast<std::int32_t>(raw_values[1]);
values[2] = static_cast<std::int32_t>(raw_values[2]);
values[3] = static_cast<std::int32_t>(raw_values[3]);
}
void get_opengl_float(std::uint32_t name, float* values) noexcept
{
glGetFloatv(static_cast<GLenum>(name), values);
}
void apply_stroke_preview_viewport(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height)
{
const auto status = pp::renderer::gl::apply_opengl_viewport(
@@ -108,6 +129,41 @@ void apply_stroke_preview_viewport(std::int32_t x, std::int32_t y, std::int32_t
LOG("NodeStrokePreview viewport dispatch failed because: %s", status.message);
}
pp::renderer::gl::OpenGlViewportRect query_stroke_preview_viewport()
{
const auto result = pp::renderer::gl::query_opengl_viewport(
pp::renderer::gl::OpenGlViewportQueryDispatch {
.get_integer = get_opengl_integer,
});
if (!result.ok()) {
LOG("NodeStrokePreview viewport query dispatch failed because: %s", result.status().message);
}
return result.value();
}
std::array<float, 4> query_stroke_preview_clear_color()
{
const auto result = pp::renderer::gl::query_opengl_clear_color(
pp::renderer::gl::OpenGlClearColorQueryDispatch {
.get_float = get_opengl_float,
});
if (!result.ok()) {
LOG("NodeStrokePreview clear-color query dispatch failed because: %s", result.status().message);
}
return result.value();
}
void apply_stroke_preview_clear_color(std::array<float, 4> color)
{
const auto status = pp::renderer::gl::apply_opengl_clear_color(
color,
pp::renderer::gl::OpenGlClearColorDispatch {
.clear_color = set_opengl_clear_color,
});
if (!status.ok())
LOG("NodeStrokePreview clear-color dispatch failed because: %s", status.message);
}
void apply_stroke_preview_scissor(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height)
{
const auto status = pp::renderer::gl::apply_opengl_scissor_rect(
@@ -398,10 +454,8 @@ void NodeStrokePreview::draw_stroke_immediate()
if (m_size.x == 0 || m_size.y == 0)
return;
GLint vp[4];
GLfloat cc[4];
glGetIntegerv(pp::renderer::gl::viewport_query(), vp);
glGetFloatv(pp::renderer::gl::color_clear_value_query(), cc);
const auto vp = query_stroke_preview_viewport();
const auto cc = query_stroke_preview_clear_color();
float zoom = root()->m_zoom;
@@ -668,8 +722,8 @@ void NodeStrokePreview::draw_stroke_immediate()
m_rtt.unbindFramebuffer();
apply_stroke_preview_viewport(vp[0], vp[1], vp[2], vp[3]);
glClearColor(cc[0], cc[1], cc[2], cc[3]);
apply_stroke_preview_viewport(vp.x, vp.y, vp.width, vp.height);
apply_stroke_preview_clear_color(cc);
}
Image NodeStrokePreview::render_to_image()