#include <msp/gl/extensions/ext_framebuffer_object.h>
#include <msp/gl/extensions/khr_debug.h>
#include <msp/io/memory.h>
-#include "bindable.h"
#include "error.h"
#include "resourcemanager.h"
#include "resources.h"
#include "texture.h"
-#include "texunit.h"
using namespace std;
GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA
};
+Texture *Texture::scratch_binding = 0;
+
Texture::Texture(GLenum t, ResourceManager *m):
id(0),
target(t),
set_manager(m);
else
generate_id();
+
+ static bool alignment_init = false;
+ if(!alignment_init)
+ {
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ alignment_init = true;
+ }
}
Texture::~Texture()
{
- while(TexUnit *unit = TexUnit::find_unit(this))
- unbind_from(unit->get_index());
-
+ if(this==scratch_binding)
+ unbind_scratch();
if(id)
glDeleteTextures(1, &id);
}
glGenerateTextureMipmap(id);
else
{
- BindRestore _bind(this);
+ bind_scratch();
glGenerateMipmap(target);
}
}
image(img, 0U);
}
-void Texture::bind_to(unsigned i) const
-{
- if(!id)
- {
- if(manager)
- manager->resource_used(*this);
- if(!id)
- {
- unbind_from(i);
- return;
- }
- }
-
- TexUnit &unit = TexUnit::get_unit(i);
- if(unit.set_texture(this))
- {
- if(manager)
- manager->resource_used(*this);
-
- if(ARB_direct_state_access)
- glBindTextureUnit(i, id);
- else
- {
- unit.bind();
- glBindTexture(target, id);
- }
- }
-}
-
-const Texture *Texture::current(unsigned i)
-{
- return TexUnit::get_unit(i).get_texture();
-}
-
-void Texture::unbind_from(unsigned i)
-{
- TexUnit &unit = TexUnit::get_unit(i);
- const Texture *cur = unit.get_texture();
- if(unit.set_texture(0))
- {
- if(ARB_direct_state_access)
- glBindTextureUnit(i, 0);
- else
- {
- unit.bind();
- glBindTexture(cur->target, 0);
- }
- }
-}
-
void Texture::set_debug_name(const string &name)
{
#ifdef DEBUG
#endif
}
+void Texture::bind_scratch()
+{
+ if(!scratch_binding)
+ glActiveTexture(GL_TEXTURE0);
+ if(scratch_binding!=this)
+ {
+ if(scratch_binding && scratch_binding->target!=target)
+ glBindTexture(scratch_binding->target, 0);
+ glBindTexture(target, id);
+ scratch_binding = this;
+ }
+}
+
+void Texture::unbind_scratch()
+{
+ if(scratch_binding)
+ {
+ glBindTexture(scratch_binding->target, 0);
+ scratch_binding = 0;
+ }
+}
+
Texture::Loader::Loader(Texture &t):
DataFile::CollectionObjectLoader<Texture>(t, 0)