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Tech ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES - Use vertex attributes and matrices in shaders.

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Shader: printbed
This commit is contained in:
enricoturri1966 2022-03-04 14:10:41 +01:00
parent 4323b602f5
commit 93610ebb02
5 changed files with 34 additions and 6 deletions
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8
resources/shaders/printbed.fs
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@ -7,15 +7,15 @@ uniform sampler2D texture;
uniform bool transparent_background;
uniform bool svg_source;
varying vec2 tex_coords;
varying vec2 tex_coord;
vec4 svg_color()
{
// takes foreground from texture
vec4 fore_color = texture2D(texture, tex_coords);
vec4 fore_color = texture2D(texture, tex_coord);
// calculates radial gradient
vec3 back_color = vec3(mix(back_color_light, back_color_dark, smoothstep(0.0, 0.5, length(abs(tex_coords.xy) - vec2(0.5)))));
vec3 back_color = vec3(mix(back_color_light, back_color_dark, smoothstep(0.0, 0.5, length(abs(tex_coord.xy) - vec2(0.5)))));
// blends foreground with background
return vec4(mix(back_color, fore_color.rgb, fore_color.a), transparent_background ? fore_color.a : 1.0);
@ -24,7 +24,7 @@ vec4 svg_color()
vec4 non_svg_color()
{
// takes foreground from texture
vec4 color = texture2D(texture, tex_coords);
vec4 color = texture2D(texture, tex_coord);
return vec4(color.rgb, transparent_background ? color.a * 0.25 : color.a);
}

4
resources/shaders/printbed.vs
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@ -1,9 +1,9 @@
#version 110
varying vec2 tex_coords;
varying vec2 tex_coord;
void main()
{
gl_Position = ftransform();
tex_coords = gl_MultiTexCoord0.xy;
tex_coord = gl_MultiTexCoord0.xy;
}

15
resources/shaders/printbed_attr.vs Normal file
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@ -0,0 +1,15 @@
#version 110
attribute vec3 v_position;
attribute vec2 v_tex_coord;
uniform mat4 view_model_matrix;
uniform mat4 projection_matrix;
varying vec2 tex_coord;
void main()
{
tex_coord = v_tex_coord;
gl_Position = projection_matrix * view_model_matrix * vec4(v_position, 1.0);
}

9
src/slic3r/GUI/3DBed.cpp
View File

@ -599,9 +599,18 @@ void Bed3D::render_texture(bool bottom, GLCanvas3D& canvas)
#if ENABLE_GLBEGIN_GLEND_REMOVAL
init_triangles();
#if ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader("printbed_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader("printbed");
#endif // ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
shader->set_uniform("transparent_background", bottom);
shader->set_uniform("svg_source", boost::algorithm::iends_with(m_texture.get_source(), ".svg"));

4
src/slic3r/GUI/GLShadersManager.cpp
View File

@ -64,7 +64,11 @@ std::pair<bool, std::string> GLShadersManager::init()
valid &= append_shader("gouraud_light", { "gouraud_light.vs", "gouraud_light.fs" });
#endif // ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
// used to render printbed
#if ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
valid &= append_shader("printbed_attr", { "printbed_attr.vs", "printbed.fs" });
#else
valid &= append_shader("printbed", { "printbed.vs", "printbed.fs" });
#endif // ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES
// used to render options in gcode preview
if (GUI::wxGetApp().is_gl_version_greater_or_equal_to(3, 3)) {
#if ENABLE_GLBEGIN_GLEND_SHADERS_ATTRIBUTES