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Change how fbo's manage viewports since I misunderstood how glViewportIndexedf works

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This commit is contained in:
rexy712 2020-10-06 17:11:49 -07:00
parent b514cd2e87
commit 223dbc7006
2 changed files with 13 additions and 3 deletions
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5
include/graphics/fbo.hpp
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@ -32,6 +32,7 @@ namespace gfx{
{
private:
GLuint m_buffer;
math::vec4<GLfloat> m_vp_coords;
public:
fbo();
@ -56,7 +57,9 @@ namespace gfx{
void clear_stencil_buffer(GLint value = 0);
void clear(GLbitfield mask);
void set_viewport(GLfloat x, GLfloat y, GLfloat w, GLfloat h);
void set_viewport(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);
void apply_viewport()const;
const math::vec4<GLfloat>& get_viewport()const;
bool bind()const;
bool bind(gl_frame_buffer_manager& b)const;

11
src/graphics/fbo.cpp
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@ -80,9 +80,16 @@ namespace gfx{
}
}
void fbo::set_viewport(GLfloat x, GLfloat y, GLfloat w, GLfloat h){
glViewportIndexedf(m_buffer, x, y, w, h);
void fbo::set_viewport(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2){
m_vp_coords = math::vec4<GLfloat>{x1, y1, x2, y2};
}
void fbo::apply_viewport()const{
glViewport(m_vp_coords.x(), m_vp_coords.y(), m_vp_coords.z(), m_vp_coords.w());
}
const math::vec4<GLfloat>& fbo::get_viewport()const{
return m_vp_coords;
}
bool fbo::bind()const{
glBindFramebuffer(GL_FRAMEBUFFER, m_buffer);
return true;