X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexturecube.cpp;h=cd18c10d6909a2c459c4b2409789069900a67b88;hp=8d194c42028bb6a4c6eb56cf2e9c0cb9567eba71;hb=HEAD;hpb=73eec11d44a24bac121f1b0d85f20d58005f3545

diff --git a/source/texturecube.cpp b/source/texturecube.cpp
deleted file mode 100644
index 8d194c42..00000000
--- a/source/texturecube.cpp
+++ /dev/null
@@ -1,335 +0,0 @@
-#include <msp/datafile/collection.h>
-#include <msp/gl/extensions/arb_texture_cube_map.h>
-#include <msp/gl/extensions/arb_texture_storage.h>
-#include <msp/io/memory.h>
-#include <msp/strings/format.h>
-#include "bindable.h"
-#include "error.h"
-#include "pixelstore.h"
-#include "texturecube.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-TextureCubeFace TextureCube::face_order[6] =
-{
-	POSITIVE_X,
-	NEGATIVE_X,
-	POSITIVE_Y,
-	NEGATIVE_Y,
-	POSITIVE_Z,
-	NEGATIVE_Z
-};
-
-Vector3 TextureCube::directions[6] =
-{
-	Vector3(1, 0, 0),
-	Vector3(-1, 0, 0),
-	Vector3(0, 1, 0),
-	Vector3(0, -1, 0),
-	Vector3(0, 0, 1),
-	Vector3(0, 0, -1)
-};
-
-unsigned TextureCube::orientations[12] =
-{
-	5, 3,
-	4, 3,
-	0, 4,
-	0, 5,
-	0, 3,
-	1, 3
-};
-
-TextureCube::TextureCube():
-	Texture(GL_TEXTURE_CUBE_MAP),
-	size(0),
-	allocated(0)
-{
-	static Require _req(ARB_texture_cube_map);
-}
-
-void TextureCube::storage(PixelFormat fmt, unsigned sz, unsigned lv)
-{
-	if(size>0)
-		throw invalid_operation("TextureCube::storage");
-	if(sz==0)
-		throw invalid_argument("TextureCube::storage");
-
-	set_internal_format(fmt);
-	size = sz;
-	levels = get_n_levels();
-	if(lv>0)
-		levels = min(levels, lv);
-}
-
-void TextureCube::allocate(unsigned level)
-{
-	if(size==0)
-		throw invalid_operation("TextureCube::allocate");
-	if(level>=levels)
-		throw invalid_argument("TextureCube::allocate");
-	if(allocated&(64<<level))
-		return;
-
-	if(ARB_texture_storage)
-	{
-		BindRestore _bind(this);
-		glTexStorage2D(target, levels, ifmt, size, size);
-		apply_swizzle();
-		allocated |= (1<<levels)-1;
-	}
-	else
-	{
-		PixelFormat base_fmt = get_base_pixelformat(ifmt);
-		DataType type = get_alloc_type(base_fmt);
-		for(unsigned i=0; i<6; ++i)
-			image(enumerate_faces(i), level, base_fmt, type, 0);
-	}
-}
-
-void TextureCube::image(TextureCubeFace face, unsigned level, PixelFormat fmt, DataType type, const void *data)
-{
-	if(size==0)
-		throw invalid_operation("TextureCube::image");
-
-	unsigned s = get_level_size(level);
-	if(s==0)
-		throw out_of_range("TextureCube::image");
-
-	if(ARB_texture_storage)
-		return sub_image(face, level, 0, 0, s, s, fmt, type, data);
-
-	BindRestore _bind(this);
-
-	if(!allocated)
-	{
-		glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
-		apply_swizzle();
-	}
-	glTexImage2D(face, level, ifmt, s, s, 0, get_upload_format(fmt), type, data);
-
-	if(level==0)
-	{
-		allocated |= 1<<get_face_index(face);
-		if((allocated&63)==63)
-		{
-			allocated |= 64;
-			if(auto_gen_mipmap)
-			{
-				generate_mipmap();
-				allocated |= (64<<levels)-1;
-			}
-		}
-	}
-	else if(!(allocated&(64<<level)))
-	{
-		for(unsigned i=0; i<6; ++i)
-			if(enumerate_faces(i)!=face)
-				glTexImage2D(enumerate_faces(i), level, ifmt, s, s, 0, get_upload_format(fmt), type, 0);
-
-		allocated |= 64<<level;
-	}
-}
-
-void TextureCube::sub_image(TextureCubeFace face, unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data)
-{
-	if(size==0)
-		throw invalid_operation("TextureCube::sub_image");
-
-	BindRestore _bind(this);
-	allocate(level);
-
-	glTexSubImage2D(face, level, x, y, wd, ht, get_upload_format(fmt), type, data);
-
-	if(auto_gen_mipmap && level==0)
-		generate_mipmap();
-}
-
-void TextureCube::image(TextureCubeFace face, const Graphics::Image &img, bool srgb)
-{
-	unsigned w = img.get_width();
-	unsigned h = img.get_height();
-	PixelFormat fmt = pixelformat_from_graphics(img.get_format());
-	if(size==0)
-	{
-		if(w!=h)
-			throw incompatible_data("TextureCube::image");
-
-		storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w);
-	}
-	else if(w!=size || h!=size)
-		throw incompatible_data("TextureCube::image");
-
-	PixelStore pstore = PixelStore::from_image(img);
-	BindRestore _bind_ps(pstore);
-
-	image(face, 0, fmt, UNSIGNED_BYTE, img.get_data());
-}
-
-void TextureCube::image(const Graphics::Image &img, unsigned lv, bool srgb)
-{
-	unsigned w = img.get_width();
-	unsigned h = img.get_height();
-
-	if(h!=w*6)
-		throw incompatible_data("TextureCube::image");
-	h /= 6;
-
-	PixelFormat fmt = pixelformat_from_graphics(img.get_format());
-	if(size==0)
-		storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, lv);
-	else if(w!=size || h!=size)
-		throw incompatible_data("TextureCube::image");
-
-	PixelStore pstore = PixelStore::from_image(img);
-	BindRestore _bind_ps(pstore);
-
-	const char *cdata = reinterpret_cast<const char *>(img.get_data());
-	unsigned face_size = img.get_stride()*size;
-	for(unsigned i=0; i<6; ++i)
-		image(enumerate_faces(i), 0, fmt, UNSIGNED_BYTE, cdata+i*face_size);
-}
-
-unsigned TextureCube::get_n_levels() const
-{
-	unsigned n = 0;
-	for(unsigned s=size; s; s>>=1, ++n) ;
-	return n;
-}
-
-unsigned TextureCube::get_level_size(unsigned level) const
-{
-	return size>>level;
-}
-
-TextureCubeFace TextureCube::enumerate_faces(unsigned i)
-{
-	if(i>=6)
-		throw out_of_range("TextureCube::enumerate_faces");
-	return face_order[i];
-}
-
-unsigned TextureCube::get_face_index(TextureCubeFace face)
-{
-	switch(face)
-	{
-	case POSITIVE_X: return 0;
-	case NEGATIVE_X: return 1;
-	case POSITIVE_Y: return 2;
-	case NEGATIVE_Y: return 3;
-	case POSITIVE_Z: return 4;
-	case NEGATIVE_Z: return 5;
-	default: throw invalid_argument("TextureCube::get_face_index");
-	}
-}
-
-const Vector3 &TextureCube::get_face_direction(TextureCubeFace face)
-{
-	return directions[get_face_index(face)];
-}
-
-const Vector3 &TextureCube::get_s_direction(TextureCubeFace face)
-{
-	return directions[orientations[get_face_index(face)*2]];
-}
-
-const Vector3 &TextureCube::get_t_direction(TextureCubeFace face)
-{
-	return directions[orientations[get_face_index(face)*2+1]];
-}
-
-Vector3 TextureCube::get_texel_direction(TextureCubeFace face, unsigned u, unsigned v)
-{
-	float s = (u+0.5f)*2.0f/size-1.0f;
-	float t = (v+0.5f)*2.0f/size-1.0f;
-	const Vector3 &fv = get_face_direction(face);
-	const Vector3 &sv = get_s_direction(face);
-	const Vector3 &tv = get_t_direction(face);
-	return fv+s*sv+t*tv;
-}
-
-UInt64 TextureCube::get_data_size() const
-{
-	return id ? size*size*6*get_pixel_size(ifmt) : 0;
-}
-
-
-TextureCube::Loader::Loader(TextureCube &t):
-	DataFile::DerivedObjectLoader<TextureCube, Texture::Loader>(t)
-{
-	init();
-}
-
-TextureCube::Loader::Loader(TextureCube &t, Collection &c):
-	DataFile::DerivedObjectLoader<TextureCube, Texture::Loader>(t, c)
-{
-	init();
-}
-
-void TextureCube::Loader::init()
-{
-	add("external_image", &Loader::external_image);
-	add("image_data", &Loader::image_data);
-	add("raw_data", &Loader::raw_data);
-	add("storage", &Loader::storage);
-	add("storage", &Loader::storage_levels);
-}
-
-void TextureCube::Loader::external_image(TextureCubeFace face, const string &fn)
-{
-	Graphics::Image img;
-	RefPtr<IO::Seekable> io = get_collection().open_raw(fn);
-	img.load_io(*io);
-
-	obj.image(face, img, srgb);
-}
-
-void TextureCube::Loader::image_data(TextureCubeFace face, const string &data)
-{
-	Graphics::Image img;
-	IO::Memory mem(data.data(), data.size());
-	img.load_io(mem);
-
-	obj.image(face, img, srgb);
-}
-
-void TextureCube::Loader::raw_data(TextureCubeFace face, const string &data)
-{
-	obj.image(face, 0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data());
-}
-
-void TextureCube::Loader::storage(PixelFormat fmt, unsigned s)
-{
-	obj.storage(fmt, s);
-}
-
-void TextureCube::Loader::storage_levels(PixelFormat fmt, unsigned s, unsigned l)
-{
-	obj.storage(fmt, s, l);
-}
-
-
-void operator>>(const LexicalConverter &conv, TextureCubeFace &face)
-{
-	const string &str = conv.get();
-	if(str=="POSITIVE_X")
-		face = POSITIVE_X;
-	else if(str=="NEGATIVE_X")
-		face = NEGATIVE_X;
-	else if(str=="POSITIVE_Y")
-		face = POSITIVE_Y;
-	else if(str=="NEGATIVE_Y")
-		face = NEGATIVE_Y;
-	else if(str=="POSITIVE_Z")
-		face = POSITIVE_Z;
-	else if(str=="NEGATIVE_Z")
-		face = NEGATIVE_Z;
-	else
-		throw lexical_error(format("conversion of '%s' to TextureCubeFace", str));
-}
-
-} // namespace GL
-} // namespace Msp