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Implementation of image transformation in shaders: iTransform is a

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generic UV coordinates transformation matrix (for translation, scaling
and rotation) edited in AppearanceView. Removing previous UV editing
functions.
This commit is contained in:
brunoherbelin
2020-11-29 12:31:06 +01:00
parent d92736b38f
commit 5200de2e3e
9 changed files with 241 additions and 227 deletions
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6
Shader.cpp
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@@ -186,7 +186,7 @@ void Shader::operator = (const Shader &S )
{
color = S.color;
blending = S.blending;
uv = S.uv;
iTransform = S.iTransform;
}
void Shader::accept(Visitor& v) {
@@ -205,8 +205,8 @@ void Shader::use()
// set uniforms
program_->setUniform("projection", projection);
program_->setUniform("modelview", modelview);
program_->setUniform("iTransform", iTransform);
program_->setUniform("color", color);
program_->setUniform("uv", uv);
iResolution = glm::vec3( Rendering::manager().currentAttrib().viewport, 0.f);
program_->setUniform("iResolution", iResolution);
@@ -237,9 +237,9 @@ void Shader::reset()
{
projection = glm::identity<glm::mat4>();
modelview = glm::identity<glm::mat4>();
iTransform = glm::identity<glm::mat4>();
iResolution = glm::vec3(1280.f, 720.f, 0.f);
color = glm::vec4(1.f, 1.f, 1.f, 1.f);
uv = glm::vec4(0.0, 0.0, 1.0, 1.0);
}