]> git.tdb.fi Git - libs/gl.git/blobdiff - source/core/texture.cpp
Mark constant data as const
[libs/gl.git] / source / core / texture.cpp
index 3eb48b8b2eb426dafebd1791ab11d4fba09b4c63..e607792c9dc6f50103c2bd30d195343d107976b3 100644 (file)
@@ -1,20 +1,19 @@
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include <msp/gl/extensions/arb_texture_swizzle.h>
 #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;
 
 namespace Msp {
 namespace GL {
 
-int Texture::swizzle_orders[] =
+const int Texture::swizzle_orders[] =
 {
        GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA,
        GL_RED, GL_RED, GL_RED, GL_ONE,
@@ -22,6 +21,8 @@ int Texture::swizzle_orders[] =
        GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA
 };
 
+Texture *Texture::scratch_binding = 0;
+
 Texture::Texture(GLenum t, ResourceManager *m):
        id(0),
        target(t),
@@ -29,20 +30,25 @@ Texture::Texture(GLenum t, ResourceManager *m):
        storage_fmt(RGB8),
        swizzle(NO_SWIZZLE),
        use_srgb_format(false),
-       auto_gen_mipmap(false),
-       default_sampler(*this)
+       auto_gen_mipmap(false)
 {
        if(m)
                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);
 }
@@ -55,6 +61,11 @@ void Texture::generate_id()
                glCreateTextures(target, 1, &id);
        else
                glGenTextures(1, &id);
+
+#ifdef DEBUG
+       if(!debug_name.empty() && KHR_debug)
+               glObjectLabel(GL_TEXTURE, id, debug_name.size(), debug_name.c_str());
+#endif
 }
 
 void Texture::set_format(PixelFormat fmt)
@@ -122,51 +133,6 @@ void Texture::set_parameter_i(GLenum param, int value) const
                glTexParameteri(target, param, value);
 }
 
-void Texture::set_min_filter(TextureFilter f)
-{
-       default_sampler.set_min_filter(f);
-}
-
-void Texture::set_mag_filter(TextureFilter f)
-{
-       default_sampler.set_mag_filter(f);
-}
-
-void Texture::set_filter(TextureFilter f)
-{
-       default_sampler.set_filter(f);
-}
-
-void Texture::set_max_anisotropy(float a)
-{
-       default_sampler.set_max_anisotropy(a);
-}
-
-void Texture::set_wrap(TextureWrap w)
-{
-       default_sampler.set_wrap(w);
-}
-
-void Texture::set_wrap_s(TextureWrap w)
-{
-       default_sampler.set_wrap_s(w);
-}
-
-void Texture::set_wrap_t(TextureWrap w)
-{
-       default_sampler.set_wrap_t(w);
-}
-
-void Texture::set_wrap_r(TextureWrap w)
-{
-       default_sampler.set_wrap_r(w);
-}
-
-bool Texture::can_generate_mipmap()
-{
-       return EXT_framebuffer_object;
-}
-
 void Texture::generate_mipmap()
 {
        // glGenerateMipmap is defined here
@@ -176,37 +142,11 @@ void Texture::generate_mipmap()
                glGenerateTextureMipmap(id);
        else
        {
-               BindRestore _bind(this);
+               bind_scratch();
                glGenerateMipmap(target);
        }
 }
 
-void Texture::set_auto_generate_mipmap(bool gm)
-{
-       if(gm)
-               static Require _req(EXT_framebuffer_object);
-
-       auto_gen_mipmap = gm;
-}
-
-void Texture::set_compare_enabled(bool c)
-{
-       if(c)
-               default_sampler.set_compare(default_sampler.get_compare_function());
-       else
-               default_sampler.disable_compare();
-}
-
-void Texture::set_compare_func(Predicate f)
-{
-       default_sampler.set_compare(f);
-}
-
-void Texture::load_image(const string &fn, bool)
-{
-       load_image(fn, 0U);
-}
-
 void Texture::load_image(const string &fn, unsigned lv)
 {
        Graphics::Image img;
@@ -215,65 +155,36 @@ void Texture::load_image(const string &fn, unsigned lv)
        image(img, lv);
 }
 
-void Texture::image(const Graphics::Image &img, bool)
+void Texture::set_debug_name(const string &name)
 {
-       image(img, 0U);
+#ifdef DEBUG
+       debug_name = name;
+       if(id && KHR_debug)
+               glObjectLabel(GL_TEXTURE, id, name.size(), name.c_str());
+#else
+       (void)name;
+#endif
 }
 
-void Texture::bind_to(unsigned i) const
+void Texture::bind_scratch()
 {
-       if(!id)
-       {
-               if(manager)
-                       manager->resource_used(*this);
-               if(!id)
-               {
-                       unbind_from(i);
-                       return;
-               }
-       }
-
-       TexUnit &unit = TexUnit::get_unit(i);
-       const Texture *cur = unit.get_texture();
-       if(unit.set_texture(this))
+       if(!scratch_binding)
+               glActiveTexture(GL_TEXTURE0);
+       if(scratch_binding!=this)
        {
-               if(manager)
-                       manager->resource_used(*this);
-
-               if(ARB_direct_state_access)
-                       glBindTextureUnit(i, id);
-               else
-               {
-                       unit.bind();
-                       glBindTexture(target, id);
-               }
-
-               if(!unit.get_sampler() || unit.get_sampler()==&cur->default_sampler)
-                       default_sampler.bind_to(i);
+               if(scratch_binding && scratch_binding->target!=target)
+                       glBindTexture(scratch_binding->target, 0);
+               glBindTexture(target, id);
+               scratch_binding = this;
        }
 }
 
-const Texture *Texture::current(unsigned i)
-{
-       return TexUnit::get_unit(i).get_texture();
-}
-
-void Texture::unbind_from(unsigned i)
+void Texture::unbind_scratch()
 {
-       TexUnit &unit = TexUnit::get_unit(i);
-       const Texture *cur = unit.get_texture();
-       if(unit.set_texture(0))
+       if(scratch_binding)
        {
-               if(ARB_direct_state_access)
-                       glBindTextureUnit(i, 0);
-               else
-               {
-                       unit.bind();
-                       glBindTexture(cur->target, 0);
-               }
-
-               if(unit.get_sampler()==&cur->default_sampler)
-                       Sampler::unbind_from(i);
+               glBindTexture(scratch_binding->target, 0);
+               scratch_binding = 0;
        }
 }
 
@@ -296,27 +207,17 @@ void Texture::Loader::init()
 
        add("external_image", &Loader::external_image);
        add("external_image_srgb", &Loader::external_image_srgb);
-       add("filter", &Loader::filter);
        add("generate_mipmap", &Loader::generate_mipmap);
        add("image_data", &Loader::image_data);
-       add("mag_filter", &Loader::mag_filter);
-       add("max_anisotropy", &Loader::max_anisotropy);
-       add("min_filter", &Loader::min_filter);
        add("mipmap_levels", &Loader::mipmap_levels);
-       add("sampler",    &Loader::sampler);
-       add("wrap",       &Loader::wrap);
-       add("wrap_r",     &Loader::wrap_r);
-       add("wrap_s",     &Loader::wrap_s);
-       add("wrap_t",     &Loader::wrap_t);
 }
 
-unsigned Texture::Loader::get_levels() const
+void Texture::Loader::finish()
 {
-       return (is_mipmapped(obj.default_sampler.get_min_filter()) ? levels : 1);
+       if(obj.auto_gen_mipmap)
+               obj.generate_mipmap();
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 void Texture::Loader::load_external_image(Graphics::Image &img, const string &fn)
 {
        RefPtr<IO::Seekable> io = get_collection().open_raw(fn);
@@ -345,42 +246,29 @@ void Texture::Loader::external_image_common(const string &fn)
        {
                Graphics::Image img;
                load_external_image(img, fn);
-               obj.image(img, get_levels());
+               obj.image(img, levels);
        }
 }
 
-void Texture::Loader::filter(TextureFilter f)
-{
-       obj.set_filter(f);
-}
-
 void Texture::Loader::generate_mipmap(bool gm)
 {
-       obj.set_auto_generate_mipmap(gm);
+       obj.auto_gen_mipmap = gm;
 }
 
 void Texture::Loader::image_data(const string &data)
 {
+       if(obj.manager)
+       {
+               obj.set_manager(0);
+               if(!obj.id)
+                       obj.generate_id();
+       }
+
        Graphics::Image img;
        IO::Memory mem(data.data(), data.size());
        img.load_io(mem);
 
-       obj.image(img, get_levels());
-}
-
-void Texture::Loader::mag_filter(TextureFilter f)
-{
-       obj.set_mag_filter(f);
-}
-
-void Texture::Loader::max_anisotropy(float a)
-{
-       obj.set_max_anisotropy(a);
-}
-
-void Texture::Loader::min_filter(TextureFilter f)
-{
-       obj.set_min_filter(f);
+       obj.image(img, levels);
 }
 
 void Texture::Loader::mipmap_levels(unsigned l)
@@ -388,31 +276,5 @@ void Texture::Loader::mipmap_levels(unsigned l)
        levels = l;
 }
 
-void Texture::Loader::sampler()
-{
-       load_sub(obj.default_sampler);
-}
-
-void Texture::Loader::wrap(TextureWrap w)
-{
-       obj.set_wrap(w);
-}
-
-void Texture::Loader::wrap_r(TextureWrap w)
-{
-       obj.set_wrap_r(w);
-}
-
-void Texture::Loader::wrap_s(TextureWrap w)
-{
-       obj.set_wrap_s(w);
-}
-
-void Texture::Loader::wrap_t(TextureWrap w)
-{
-       obj.set_wrap_t(w);
-}
-#pragma GCC diagnostic pop
-
 } // namespace GL
 } // namespace Msp