X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftexture.cpp;fp=source%2Fcore%2Ftexture.cpp;h=4968e2e678bd6103c239103828cc1c78b0ff4b2b;hb=160e9eea29bd10034733d59507fa1bcca36be401;hp=c27e850676b83153de81ef09b4d76282e481e091;hpb=93448d16e72e38afbaecbccf6fdedd46d6a82a73;p=libs%2Fgl.git

diff --git a/source/core/texture.cpp b/source/core/texture.cpp
index c27e8506..4968e2e6 100644
--- a/source/core/texture.cpp
+++ b/source/core/texture.cpp
@@ -1,7 +1,3 @@
-#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 "error.h"
 #include "resourcemanager.h"
@@ -12,19 +8,8 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-const int Texture::swizzle_orders[] =
-{
-	GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA,
-	GL_RED, GL_RED, GL_RED, GL_ONE,
-	GL_RED, GL_RED, GL_RED, GL_GREEN,
-	GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA
-};
-
-Texture *Texture::scratch_binding = 0;
-
-Texture::Texture(GLenum t, ResourceManager *m):
-	id(0),
-	target(t),
+Texture::Texture(unsigned t, ResourceManager *m):
+	TextureBackend(t, !m),
 	format(NO_PIXELFORMAT),
 	storage_fmt(format),
 	swizzle(NO_SWIZZLE),
@@ -33,38 +18,6 @@ Texture::Texture(GLenum t, ResourceManager *m):
 {
 	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()
-{
-	if(this==scratch_binding)
-		unbind_scratch();
-	if(id)
-		glDeleteTextures(1, &id);
-}
-
-void Texture::generate_id()
-{
-	if(id)
-		throw invalid_operation("Texture::generate_id");
-	if(ARB_direct_state_access)
-		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)
@@ -96,56 +49,13 @@ void Texture::set_format(PixelFormat fmt)
 	PixelFormat st_fmt = make_pixelformat(st_comp, get_component_type(fmt), is_srgb(fmt));
 	require_pixelformat(st_fmt);
 	if(swiz!=NO_SWIZZLE)
-		static Require _req(ARB_texture_swizzle);
+		require_swizzle();
 
 	format = fmt;
 	storage_fmt = st_fmt;
 	swizzle = swiz;
 }
 
-void Texture::apply_swizzle()
-{
-	if(swizzle==NO_SWIZZLE)
-		return;
-
-	if(get_backend_api()==OPENGL_ES)
-	{
-		set_parameter_i(GL_TEXTURE_SWIZZLE_R, swizzle_orders[swizzle*4]);
-		set_parameter_i(GL_TEXTURE_SWIZZLE_G, swizzle_orders[swizzle*4+1]);
-		set_parameter_i(GL_TEXTURE_SWIZZLE_B, swizzle_orders[swizzle*4+2]);
-		set_parameter_i(GL_TEXTURE_SWIZZLE_A, swizzle_orders[swizzle*4+3]);
-	}
-	else
-	{
-		if(ARB_direct_state_access)
-			glTextureParameteriv(id, GL_TEXTURE_SWIZZLE_RGBA, swizzle_orders+swizzle*4);
-		else
-			glTexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle_orders+swizzle*4);
-	}
-}
-
-void Texture::set_parameter_i(unsigned param, int value) const
-{
-	if(ARB_direct_state_access)
-		glTextureParameteri(id, param, value);
-	else
-		glTexParameteri(target, param, value);
-}
-
-void Texture::generate_mipmap()
-{
-	// glGenerateMipmap is defined here
-	static Require _req(EXT_framebuffer_object);
-
-	if(ARB_direct_state_access)
-		glGenerateTextureMipmap(id);
-	else
-	{
-		bind_scratch();
-		glGenerateMipmap(target);
-	}
-}
-
 void Texture::load_image(const string &fn, unsigned lv)
 {
 	Graphics::Image img;
@@ -154,39 +64,6 @@ void Texture::load_image(const string &fn, unsigned lv)
 	image(img, lv);
 }
 
-void Texture::set_debug_name(const string &name)
-{
-#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_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)