X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture.cpp;h=f1689145c8af9c5754569213a7561b0505e63b2c;hp=ab5700482ce02484efb7b960df00a9b3a95a0908;hb=HEAD;hpb=635e5dc39adf09051bdacadbc402ddf22f7807a3 diff --git a/source/texture.cpp b/source/texture.cpp deleted file mode 100644 index ab570048..00000000 --- a/source/texture.cpp +++ /dev/null @@ -1,404 +0,0 @@ -#include -#include -#include -#include -#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[] = -{ - 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(GLenum t, ResourceManager *m): - id(0), - target(t), - format(RGB8), - storage_fmt(RGB8), - swizzle(NO_SWIZZLE), - auto_gen_mipmap(false), - default_sampler(*this) -{ - if(m) - set_manager(m); - else if(ARB_direct_state_access) - glCreateTextures(target, 1, &id); - else - glGenTextures(1, &id); -} - -Texture::~Texture() -{ - while(TexUnit *unit = TexUnit::find_unit(this)) - unbind_from(unit->get_index()); - - if(id) - glDeleteTextures(1, &id); -} - -void Texture::set_format(PixelFormat fmt) -{ - PixelComponents comp = get_components(fmt); - PixelComponents st_comp = comp; - FormatSwizzle swiz = NO_SWIZZLE; - switch(comp) - { - case LUMINANCE: - st_comp = RED; - swiz = R_TO_LUMINANCE; - break; - case LUMINANCE_ALPHA: - st_comp = RG; - swiz = RG_TO_LUMINANCE_ALPHA; - break; - case BGR: - st_comp = RGB; - swiz = RGB_TO_BGR; - break; - case BGRA: - st_comp = RGBA; - swiz = RGB_TO_BGR; - break; - default:; - } - - PixelFormat st_fmt = make_pixelformat(st_comp, get_component_type(fmt)); - require_pixelformat(st_fmt); - if(swiz!=NO_SWIZZLE) - static Require _req(ARB_texture_swizzle); - - format = fmt; - storage_fmt = st_fmt; - swizzle = swiz; -} - -void Texture::apply_swizzle() -{ - if(swizzle==NO_SWIZZLE) - return; - - if(get_gl_api()==OPENGL_ES2) - { - 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(GLenum param, int value) const -{ - if(ARB_direct_state_access) - glTextureParameteri(id, param, value); - else - 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 - static Require _req(EXT_framebuffer_object); - - if(ARB_direct_state_access) - glGenerateTextureMipmap(id); - else - { - BindRestore _bind(this); - 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; - img.load_file(fn); - - image(img, lv); -} - -void Texture::image(const Graphics::Image &img, bool) -{ - 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); - } - - default_sampler.bind_to(i); - } -} - -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); - } - } -} - - -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() -{ - levels = 0; - - add("external_image", &Loader::external_image); - add("external_image_srgb", &Loader::external_image); - 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 -{ - return (is_mipmapped(obj.default_sampler.get_min_filter()) ? levels : 1); -} - -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wdeprecated-declarations" -void Texture::Loader::load_external_image(Graphics::Image &img, const std::string &fn) -{ - RefPtr io = get_collection().open_raw(fn); - if(!io) - throw IO::file_not_found(fn); - img.load_io(*io); -} - -void Texture::Loader::external_image(const string &fn) -{ - obj.use_srgb_format = false; - external_image_common(fn); -} - -void Texture::Loader::external_image_srgb(const string &fn) -{ - obj.use_srgb_format = true; - external_image_common(fn); -} - -void Texture::Loader::external_image_common(const string &fn) -{ - if(obj.manager) - obj.manager->set_resource_location(obj, get_collection(), fn); - else - { - Graphics::Image img; - load_external_image(img, fn); - obj.image(img, get_levels()); - } -} - -void Texture::Loader::filter(TextureFilter f) -{ - obj.set_filter(f); -} - -void Texture::Loader::generate_mipmap(bool gm) -{ - obj.set_auto_generate_mipmap(gm); -} - -void Texture::Loader::image_data(const string &data) -{ - 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); -} - -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