refactoring and cleaning while searching for a problem in the demo code

src/binding/src/script_io.cpp

@@ -1,8 +1,6 @@
 #include "pw/io/image_io.hpp"
 #include "runtime_lua.hpp"
 
-
-
 namespace pw {
 
 

src/binding/src/script_visual.cpp

@@ -3,8 +3,11 @@
 #include "pw/visual/pipeline.hpp"
 #include "pw/visual/shader.hpp"
 #include "pw/visual/framebuffer.hpp"
+#include "pw/visual/texture.hpp"
+
 #include "pw/core/size.hpp"
 
+
 #include "runtime_lua.hpp"
 
 namespace pw {
@@ -17,8 +20,6 @@ void register_visual_function(sol::state&,sol::table &ns)
                               ,"draw",&pipeline::draw
                               );
 
-
-
     ns.new_usertype<shader>("shader"
                             ,sol::constructors<shader()>()
                             ,"ready",sol::readonly_property(&shader::ready)
@@ -59,6 +60,12 @@ void register_visual_function(sol::state&,sol::table &ns)
                                  ,"bind",&framebuffer::bind
                                  ,"unbind",&framebuffer::unbind
                                  ,"blit",&framebuffer::blit);
+
+    ns.new_usertype<texture>("texture"
+                             ,sol::constructors<texture(),texture(texture::image_ref,texture::data_layout)>()
+                             ,"image",sol::property(&texture::set_image,&texture::image)
+                             ,"type",sol::property(&texture::set_type,&texture::type)
+                             );
 }
 
 PW_REGISTER_LUA(visual)

src/scripts/demos/simple_002.lua

@@ -108,12 +108,14 @@ w.on_update = function(self)
 
     -- just some toying around
     local color_red  = pw.mathf.ping_pong(pw.time.now,1.0)
+    local color_green = pw.mathf.ping_pong(pw.time.now + 1,1.0)
     local color_blue = 1.0 - pw.mathf.ping_pong(pw.time.now,1.0)
-    local cl = pw.vector4:new( color_red, 0.0, color_blue, 1.0 )
+    local cl = pw.vector4:new( color_red, color_green, color_blue, 1.0 )
 
     -- bind the shader
     s:use()
 
+    -- update the unifors, currently the slow path
     s:set_uniform_mat4("model",mm)
     s:set_uniform_mat4("view",mv)
     s:set_uniform_mat4("projection",mp)

src/visual/include/pw/visual/shader.hpp

@@ -6,6 +6,8 @@
 #include <pw/core/vector.hpp>
 #include <pw/core/debug.hpp>
 
+#include <pw/visual/texture.hpp>
+
 #include <map>
 #include <variant>
 
@@ -32,6 +34,7 @@ public:
     shader& set_uniform_at_location(int location,float v);
     shader& set_uniform_at_location(int location,matrix4x4f const &v);
     shader& set_uniform_at_location(int location,vector4f const &v);
+    shader& set_uniform_at_location(int location,texture const &t);
 
     /**
      * @brief retrieves the position of a uniform

src/visual/include/pw/visual/texture.hpp

@@ -33,12 +33,15 @@ public:
 		wrap_clamp_to_repeat
 	};
 
-	texture();
+    using image_ref = shared_ptr<::pw::image>;
 
-	texture(shared_ptr<image> i,data_layout s,data_type = data_type::color);
+    texture();
+    texture(image_ref i,data_layout s,data_type = data_type::color);
+    ~texture();
 
-	void set_image(shared_ptr<image> i);
-	shared_ptr<image> get() const { return _image; }
+
+    void set_image(image_ref i);
+    image_ref image() const { return _image; }
 
 	void set_type(data_type t);
 	data_type type() const { return  _type; }
@@ -52,15 +55,15 @@ public:
 	void generate_mipmaps();
 
 
-	unsigned int native_handle() const;
-	unsigned int native_sampler_handle() const;
+    uint32_t native_handle() const;
+    uint32_t native_sampler_handle() const;
 protected:
 
-	shared_ptr<image> _image;
+    image_ref _image;
 
-	data_type _type;
-	data_layout _shape;
-	wrap_mode _wrap;
+    data_type _type = data_type::color;
+    data_layout _shape = data_layout::shape_2d;
+    wrap_mode _wrap = wrap_mode::wrap_clamp_to_edge;
 
 	struct impl;
 	unique_ptr<impl> _impl;

src/visual/src/pipeline.cpp

@@ -12,6 +12,7 @@
 #include "pw/visual/renderer.hpp"
 #include "pw/visual/material.hpp"
 #include "pw/visual/framebuffer.hpp"
+#include "pw/visual/texture.hpp"
 
 #include "glad/glad.h"
 
@@ -53,6 +54,7 @@ struct triangle_renderer
 {
 
 
+    texture tex;
     shader shader_p;
     geometry amesh;
     renderer r;

src/visual/src/texture.cpp

@@ -1,6 +1,6 @@
 #include "pw/visual/texture.hpp"
 
-#include <glad/glad.h>
+#include "glad/glad.h"
 
 namespace pw {
 
@@ -19,6 +19,11 @@ struct texture::impl {
 	{
     }
 
+    ~impl()
+    {
+        destroy();
+    }
+
 	GLuint gl_shape() {
 		switch (_host.shape()) {
 		case data_layout::shape_1d:
@@ -76,19 +81,24 @@ struct texture::impl {
 //
 
 texture::texture()
+    : _impl { make_unique<texture::impl>(*this) }
 {
-	_impl = make_unique<impl>(*this);
 }
 
-texture::texture(shared_ptr<image> i, texture::data_layout s, texture::data_type t)
+texture::texture(image_ref i, texture::data_layout s, texture::data_type t)
 {
 	texture();
 	set_image(i);
 	set_shape(s);
-	set_type(t);
+    set_type(t);
 }
 
-void texture::set_image(shared_ptr<image> i)
+texture::~texture()
+{
+
+}
+
+void texture::set_image(image_ref i)
 {
 	_image = i;
 }
@@ -113,12 +123,12 @@ void texture::generate_mipmaps()
 	_impl->generate_mipmaps();
 }
 
-unsigned int texture::native_handle() const
+uint32_t texture::native_handle() const
 {
 	return _impl->_texture_id;
 }
 
-unsigned int texture::native_sampler_handle() const
+uint32_t texture::native_sampler_handle() const
 {
 	return _impl->_texture_sampler;
 }