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Merge branch 'et_opengl_3' of https://github.com/prusa3d/PrusaSlicer into et_opengl_es

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This commit is contained in:
enricoturri1966 2022-04-07 11:27:08 +02:00
commit aa468b3770
12 changed files with 26 additions and 59 deletions
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7
resources/shaders/110/gouraud.fs
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@ -26,8 +26,6 @@ struct SlopeDetection
uniform vec4 uniform_color;
uniform SlopeDetection slope;
uniform bool offset_depth_buffer;
#ifdef ENABLE_ENVIRONMENT_MAP
uniform sampler2D environment_tex;
uniform bool use_environment_tex;
@ -78,9 +76,4 @@ void main()
else
#endif
gl_FragColor = vec4(vec3(intensity.y) + color * intensity.x, alpha);
// In the support painting gizmo and the seam painting gizmo are painted triangles rendered over the already
// rendered object. To resolved z-fighting between previously rendered object and painted triangles, values
// inside the depth buffer are offset by small epsilon for painted triangles inside those gizmos.
gl_FragDepth = gl_FragCoord.z - (offset_depth_buffer ? EPSILON : 0.0);
}

5
resources/shaders/110/mm_contour.fs
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@ -1,13 +1,8 @@
#version 110
const float EPSILON = 0.0001;
uniform vec4 uniform_color;
void main()
{
gl_FragColor = uniform_color;
// Values inside depth buffer for fragments of the contour of a selected area are offset
// by small epsilon to solve z-fighting between painted triangles and contour lines.
gl_FragDepth = gl_FragCoord.z - EPSILON;
}

5
resources/shaders/110/mm_contour.vs
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@ -7,5 +7,8 @@ attribute vec3 v_position;
void main()
{
gl_Position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
// Add small epsilon to z to solve z-fighting between painted triangles and contour lines.
vec4 clip_position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
clip_position.z -= 0.00001 * abs(clip_position.w);
gl_Position = clip_position;
}

7
resources/shaders/140/gouraud.fs
View File

@ -26,8 +26,6 @@ struct SlopeDetection
uniform vec4 uniform_color;
uniform SlopeDetection slope;
uniform bool offset_depth_buffer;
#ifdef ENABLE_ENVIRONMENT_MAP
uniform sampler2D environment_tex;
uniform bool use_environment_tex;
@ -80,9 +78,4 @@ void main()
else
#endif
out_color = vec4(vec3(intensity.y) + color * intensity.x, alpha);
// In the support painting gizmo and the seam painting gizmo are painted triangles rendered over the already
// rendered object. To resolved z-fighting between previously rendered object and painted triangles, values
// inside the depth buffer are offset by small epsilon for painted triangles inside those gizmos.
gl_FragDepth = gl_FragCoord.z - (offset_depth_buffer ? EPSILON : 0.0);
}

5
resources/shaders/140/mm_contour.fs
View File

@ -1,7 +1,5 @@
#version 140
const float EPSILON = 0.0001;
uniform vec4 uniform_color;
out vec4 out_color;
@ -9,7 +7,4 @@ out vec4 out_color;
void main()
{
out_color = uniform_color;
// Values inside depth buffer for fragments of the contour of a selected area are offset
// by small epsilon to solve z-fighting between painted triangles and contour lines.
gl_FragDepth = gl_FragCoord.z - EPSILON;
}

5
resources/shaders/140/mm_contour.vs
View File

@ -7,5 +7,8 @@ in vec3 v_position;
void main()
{
gl_Position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
// Add small epsilon to z to solve z-fighting between painted triangles and contour lines.
vec4 clip_position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
clip_position.z -= 0.00001 * abs(clip_position.w);
gl_Position = clip_position;
}

7
resources/shaders/gouraud.fs
View File

@ -26,8 +26,6 @@ struct SlopeDetection
uniform vec4 uniform_color;
uniform SlopeDetection slope;
uniform bool offset_depth_buffer;
#ifdef ENABLE_ENVIRONMENT_MAP
uniform sampler2D environment_tex;
uniform bool use_environment_tex;
@ -78,9 +76,4 @@ void main()
else
#endif
gl_FragColor = vec4(vec3(intensity.y) + color * intensity.x, alpha);
// In the support painting gizmo and the seam painting gizmo are painted triangles rendered over the already
// rendered object. To resolved z-fighting between previously rendered object and painted triangles, values
// inside the depth buffer are offset by small epsilon for painted triangles inside those gizmos.
gl_FragDepth = gl_FragCoord.z - (offset_depth_buffer ? EPSILON : 0.0);
}

5
resources/shaders/mm_contour.fs
View File

@ -1,11 +1,6 @@
#version 110
const float EPSILON = 0.0001;
void main()
{
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
// Values inside depth buffer for fragments of the contour of a selected area are offset
// by small epsilon to solve z-fighting between painted triangles and contour lines.
gl_FragDepth = gl_FragCoord.z - EPSILON;
}

5
resources/shaders/mm_contour.vs
View File

@ -2,5 +2,8 @@
void main()
{
gl_Position = ftransform();
// Add small epsilon to z to solve z-fighting between painted triangles and contour lines.
vec4 clip_position = gl_ModelViewProjectionMatrix * gl_Vertex;
clip_position.z -= 0.00001 * abs(clip_position.w);
gl_Position = clip_position;
}

2
src/slic3r/GUI/GLCanvas3D.cpp
View File

@ -5333,7 +5333,7 @@ void GLCanvas3D::_picking_pass()
#if !ENABLE_LEGACY_OPENGL_REMOVAL
m_camera_clipping_plane = m_gizmos.get_clipping_plane();
if (m_camera_clipping_plane.is_active()) {
::glClipPlane(GL_CLIP_PLANE0, (GLdouble*)m_camera_clipping_plane.get_data());
::glClipPlane(GL_CLIP_PLANE0, (GLdouble*)m_camera_clipping_plane.get_data().data());
::glEnable(GL_CLIP_PLANE0);
}
#endif // !ENABLE_LEGACY_OPENGL_REMOVAL

4
src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
View File

@ -621,11 +621,7 @@ void TriangleSelectorMmGui::render(ImGuiWrapper *imgui)
auto *contour_shader = wxGetApp().get_shader("mm_contour");
contour_shader->start_using();
glsafe(::glDepthFunc(GL_LEQUAL));
m_paint_contour.render();
glsafe(::glDepthFunc(GL_LESS));
contour_shader->stop_using();
}
#endif // ENABLE_LEGACY_OPENGL_REMOVAL

28
src/slic3r/GUI/Gizmos/GLGizmoPainterBase.cpp
View File

@ -316,9 +316,11 @@ void GLGizmoPainterBase::render_cursor_sphere(const Transform3d& trafo) const
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
const Transform3d complete_scaling_matrix_inverse = Geometry::Transformation(trafo).get_matrix(true, true, false, true).inverse();
const bool is_left_handed = Geometry::Transformation(trafo).is_left_handed();
@ -948,8 +950,6 @@ void TriangleSelectorGUI::render(ImGuiWrapper* imgui)
assert(shader->get_name() == "gouraud");
ScopeGuard guard([shader]() { if (shader) shader->set_uniform("offset_depth_buffer", false);});
shader->set_uniform("offset_depth_buffer", true);
for (auto iva : {std::make_pair(&m_iva_enforcers, enforcers_color),
std::make_pair(&m_iva_blockers, blockers_color)}) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
@ -993,11 +993,7 @@ void TriangleSelectorGUI::render(ImGuiWrapper* imgui)
auto *contour_shader = wxGetApp().get_shader("mm_contour");
contour_shader->start_using();
glsafe(::glDepthFunc(GL_LEQUAL));
m_paint_contour.render();
glsafe(::glDepthFunc(GL_LESS));
contour_shader->stop_using();
}
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
@ -1040,6 +1036,9 @@ void TriangleSelectorGUI::update_render_data()
iva.release_geometry();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// small value used to offset triangles along their normal to avoid z-fighting
static const float offset = 0.001f;
for (const Triangle &tr : m_triangles) {
if (!tr.valid() || tr.is_split() || (tr.get_state() == EnforcerBlockerType::NONE && !tr.is_selected_by_seed_fill()))
continue;
@ -1063,15 +1062,17 @@ void TriangleSelectorGUI::update_render_data()
//FIXME the normal may likely be pulled from m_triangle_selectors, but it may not be worth the effort
// or the current implementation may be more cache friendly.
const Vec3f n = (v1 - v0).cross(v2 - v1).normalized();
// small value used to offset triangles along their normal to avoid z-fighting
const Vec3f offset_n = offset * n;
#if ENABLE_LEGACY_OPENGL_REMOVAL
iva.add_vertex(v0, n);
iva.add_vertex(v1, n);
iva.add_vertex(v2, n);
iva.add_vertex(v0 + offset_n, n);
iva.add_vertex(v1 + offset_n, n);
iva.add_vertex(v2 + offset_n, n);
iva.add_triangle((unsigned int)cnt, (unsigned int)cnt + 1, (unsigned int)cnt + 2);
#else
iva.push_geometry(v0, n);
iva.push_geometry(v1, n);
iva.push_geometry(v2, n);
iva.push_geometry(v0 + offset_n, n);
iva.push_geometry(v1 + offset_n, n);
iva.push_geometry(v2 + offset_n, n);
iva.push_triangle(cnt, cnt + 1, cnt + 2);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
cnt += 3;
@ -1383,10 +1384,7 @@ void TriangleSelectorGUI::render_paint_contour(const Transform3d& matrix)
contour_shader->set_uniform("view_model_matrix", camera.get_view_matrix() * matrix);
contour_shader->set_uniform("projection_matrix", camera.get_projection_matrix());
glsafe(::glDepthFunc(GL_LEQUAL));
m_paint_contour.render();
glsafe(::glDepthFunc(GL_LESS));
contour_shader->stop_using();
}