X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture.cpp;h=f1689145c8af9c5754569213a7561b0505e63b2c;hp=a23e57c72615ed632e67c863e9ed37539842dcd2;hb=HEAD;hpb=9d696772b2194b67d8e3e4da11169900eab58c0d diff --git a/source/texture.cpp b/source/texture.cpp deleted file mode 100644 index a23e57c7..00000000 --- a/source/texture.cpp +++ /dev/null @@ -1,297 +0,0 @@ -#include -#include -#include -#include "error.h" -#include "resourcemanager.h" -#include "resources.h" -#include "texture.h" -#include "texunit.h" - -using namespace std; - -namespace Msp { -namespace GL { - -void operator>>(const LexicalConverter &c, TextureFilter &tf) -{ - if(c.get()=="NEAREST") - tf = NEAREST; - else if(c.get()=="LINEAR") - tf = LINEAR; - else if(c.get()=="NEAREST_MIPMAP_NEAREST") - tf = NEAREST_MIPMAP_NEAREST; - else if(c.get()=="NEAREST_MIPMAP_LINEAR") - tf = NEAREST_MIPMAP_LINEAR; - else if(c.get()=="LINEAR_MIPMAP_NEAREST") - tf = LINEAR_MIPMAP_NEAREST; - else if(c.get()=="LINEAR_MIPMAP_LINEAR") - tf = LINEAR_MIPMAP_LINEAR; - else - throw lexical_error(format("conversion of '%s' to TextureFilter", c.get())); -} - - -void operator>>(const LexicalConverter &c, TextureWrap &tw) -{ - if(c.get()=="REPEAT") - tw = REPEAT; - else if(c.get()=="CLAMP_TO_EDGE") - tw = CLAMP_TO_EDGE; - else if(c.get()=="MIRRORED_REPEAT") - tw = MIRRORED_REPEAT; - else - throw lexical_error(format("conversion of '%s' to TextureWrap", c.get())); -} - - -Texture::Texture(GLenum t, ResourceManager *m): - id(0), - target(t), - min_filter(NEAREST_MIPMAP_LINEAR), - mag_filter(LINEAR), - wrap_s(REPEAT), - wrap_t(REPEAT), - wrap_r(REPEAT), - gen_mipmap(false), - compare(false), - cmp_func(LEQUAL), - dirty_params(0) -{ - if(m) - set_manager(m); - else - glGenTextures(1, &id); -} - -Texture::~Texture() -{ - if(id) - glDeleteTextures(1, &id); -} - -void Texture::update_parameter(int mask) const -{ - if(TexUnit::current().get_texture()!=this) - { - TexUnit *unit = TexUnit::find_unit(this); - if(!unit) - { - dirty_params |= mask; - return; - } - - unit->bind(); - } - - if(mask&MIN_FILTER) - glTexParameteri(target, GL_TEXTURE_MIN_FILTER, min_filter); - if(mask&MAG_FILTER) - glTexParameteri(target, GL_TEXTURE_MAG_FILTER, mag_filter); - if(mask&MAX_ANISOTROPY) - glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy); - if(mask&WRAP_S) - glTexParameteri(target, GL_TEXTURE_WRAP_S, wrap_s); - if(mask&WRAP_T) - glTexParameteri(target, GL_TEXTURE_WRAP_T, wrap_t); - if(mask&WRAP_R) - glTexParameteri(target, GL_TEXTURE_WRAP_R, wrap_r); - if(mask&GENERATE_MIPMAP) - glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, gen_mipmap); - if(mask&COMPARE) - glTexParameteri(target, GL_TEXTURE_COMPARE_MODE, (compare ? GL_COMPARE_R_TO_TEXTURE : GL_NONE)); - if(mask&COMPARE_FUNC) - glTexParameteri(target, GL_TEXTURE_COMPARE_FUNC, cmp_func); -} - -void Texture::set_min_filter(TextureFilter f) -{ - min_filter = f; - update_parameter(MIN_FILTER); -} - -void Texture::set_mag_filter(TextureFilter f) -{ - mag_filter = f; - update_parameter(MAG_FILTER); -} - -void Texture::set_filter(TextureFilter f) -{ - set_min_filter(f); - set_mag_filter(f==NEAREST ? NEAREST : LINEAR); -} - -void Texture::set_max_anisotropy(float a) -{ - if(a<1.0f) - throw invalid_argument("Texture::set_max_anisotropy"); - else if(a>1.0f) - static Require _req(EXT_texture_filter_anisotropic); - max_anisotropy = a; - update_parameter(MAX_ANISOTROPY); -} - -void Texture::set_wrap(TextureWrap w) -{ - set_wrap_s(w); - set_wrap_t(w); - set_wrap_r(w); -} - -void Texture::set_wrap_s(TextureWrap w) -{ - wrap_s = w; - update_parameter(WRAP_S); -} - -void Texture::set_wrap_t(TextureWrap w) -{ - wrap_t = w; - update_parameter(WRAP_T); -} - -void Texture::set_wrap_r(TextureWrap w) -{ - wrap_r = w; - update_parameter(WRAP_R); -} - -void Texture::set_generate_mipmap(bool gm) -{ - if(gm) - static Require _req(SGIS_generate_mipmap); - gen_mipmap = gm; - update_parameter(GENERATE_MIPMAP); -} - -void Texture::set_compare_enabled(bool c) -{ - compare = c; - update_parameter(COMPARE); -} - -void Texture::set_compare_func(Predicate f) -{ - cmp_func = f; - update_parameter(COMPARE_FUNC); -} - -void Texture::bind_to(unsigned i) const -{ - if(!id) - manager->load_resource(*this); - - TexUnit &unit = TexUnit::get_unit(i); - const Texture *cur = unit.get_texture(); - if(unit.set_texture(this)) - { - unit.bind(); - if(cur && cur->target!=target) - glDisable(cur->target); - if(!cur || cur->target!=target) - glEnable(target); - glBindTexture(target, id); - - if(dirty_params) - { - update_parameter(dirty_params); - dirty_params = 0; - } - } -} - -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)) - { - unit.bind(); - glBindTexture(cur->target, 0); - glDisable(cur->target); - } -} - - -Texture::Loader::Loader(Texture &t): - DataFile::CollectionObjectLoader(t, 0) -{ - init(); -} - -Texture::Loader::Loader(Texture &t, Collection &c): - DataFile::CollectionObjectLoader(t, &c) -{ - init(); -} - -void Texture::Loader::init() -{ - if(Resources *res = dynamic_cast(coll)) - srgb = res->get_srgb_conversion(); - else - srgb = false; - - add("filter", &Loader::filter); - add("max_anisotropy", &Loader::max_anisotropy); - add("generate_mipmap", &Loader::generate_mipmap); - add("mag_filter", &Loader::mag_filter); - add("min_filter", &Loader::min_filter); - add("wrap", &Loader::wrap); - add("wrap_r", &Loader::wrap_r); - add("wrap_s", &Loader::wrap_s); - add("wrap_t", &Loader::wrap_t); -} - -void Texture::Loader::filter(TextureFilter f) -{ - obj.set_filter(f); -} - -void Texture::Loader::generate_mipmap(bool gm) -{ - obj.set_generate_mipmap(gm); -} - -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); -} - -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); -} - -} // namespace GL -} // namespace Msp