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Added face culling setting to the Renderer. Also more methods.

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This commit is contained in:
Relintai 2024-01-19 22:04:23 +01:00
parent 8767435687
commit b142be6ab9
2 changed files with 68 additions and 0 deletions
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56
sfw/render_immediate/renderer.cpp
View File

@ -23,6 +23,49 @@ void Renderer::set_depth_buffer_enable(const bool p_depth_buffer) {
_depth_buffer = p_depth_buffer;
}
Renderer::FaceCulling Renderer::get_face_culling() const {
return _face_culling;
}
void Renderer::set_face_culling(const FaceCulling p_face_culling) {
if (_face_culling == p_face_culling) {
return;
}
bool were_disabled = _face_culling == FACE_CULLING_OFF;
_face_culling = p_face_culling;
switch (p_face_culling) {
case FACE_CULLING_OFF:
if (!were_disabled) {
glDisable(GL_CULL_FACE);
}
break;
case FACE_CULLING_FRONT:
if (were_disabled) {
glEnable(GL_CULL_FACE);
}
glCullFace(GL_FRONT);
break;
case FACE_CULLING_BACK:
if (were_disabled) {
glEnable(GL_CULL_FACE);
}
glCullFace(GL_BACK);
break;
case FACE_CULLING_FRONT_AND_BACK:
if (were_disabled) {
glEnable(GL_CULL_FACE);
}
glCullFace(GL_FRONT_AND_BACK);
break;
}
}
void Renderer::draw_point(const Vector2 &p_position, const Color &p_color) {
//Ugly but oh well
draw_rect(Rect2(p_position, Vector2(1, 1)), p_color);
@ -397,6 +440,18 @@ void Renderer::camera_2d_projection_set_to_window() {
_camera_2d_model_view_matrix_stack.clear();
}
void Renderer::camera_2d_projection_set_to_size(const Size2i &p_size) {
Transform canvas_transform;
canvas_transform.translate_local(-(p_size.x / 2.0f), -(p_size.y / 2.0f), 0.0f);
//canvas_transform.scale(Vector3(2.0f / size.x, 2.0f / size.y, 1.0f));
canvas_transform.scale(Vector3(2.0f / p_size.x, -2.0f / p_size.y, 1.0f));
RenderState::model_view_matrix_2d = Transform2D();
RenderState::projection_matrix_2d = canvas_transform;
_camera_2d_model_view_matrix_stack.clear();
}
void Renderer::camera_3d_bind() {
RenderState::camera_transform_3d = _camera_3d_camera_transform_matrix;
RenderState::model_view_matrix_3d = _camera_3d_model_view_matrix;
@ -528,6 +583,7 @@ Renderer::Renderer() {
_singleton = this;
_depth_buffer = false;
_face_culling = FACE_CULLING_OFF;
_2d_mesh.instance();
_2d_mesh->vertex_dimesions = 2;

12
sfw/render_immediate/renderer.h
View File

@ -32,6 +32,16 @@ public:
bool get_depth_buffer_enable() const;
void set_depth_buffer_enable(const bool p_depth_buffer);
enum FaceCulling {
FACE_CULLING_OFF = 0,
FACE_CULLING_FRONT,
FACE_CULLING_BACK,
FACE_CULLING_FRONT_AND_BACK,
};
FaceCulling get_face_culling() const;
void set_face_culling(const FaceCulling p_face_culling);
void draw_point(const Vector2 &p_position, const Color &p_color = Color(1, 1, 1));
void draw_line(const Vector2 &p_from, const Vector2 &p_to, const Color &p_color = Color(1, 1, 1), const real_t p_width = 1);
void draw_line_rect(const Rect2 &p_rect, const Color &p_color = Color(1, 1, 1), const real_t p_width = 1);
@ -71,6 +81,7 @@ public:
int get_camera_2d_model_view_matrix_stack_size() const;
void camera_2d_projection_set_to_window();
void camera_2d_projection_set_to_size(const Size2i &p_size);
//3D Camera API
@ -113,6 +124,7 @@ private:
static Renderer *_singleton;
bool _depth_buffer;
FaceCulling _face_culling;
Ref<Mesh> _2d_mesh;
Ref<Mesh> _3d_mesh;