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220 lines
10 KiB
220 lines
10 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "CubeMapTexture.h" |
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#ifndef MAGNUM_TARGET_GLES2 |
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#include "Magnum/BufferImage.h" |
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#endif |
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#include "Magnum/Context.h" |
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#include "Magnum/Image.h" |
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#include "Implementation/maxTextureSize.h" |
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#include "Implementation/State.h" |
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#include "Implementation/TextureState.h" |
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namespace Magnum { |
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static_assert(GL_TEXTURE_CUBE_MAP_POSITIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 0 && |
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GL_TEXTURE_CUBE_MAP_NEGATIVE_X - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 1 && |
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GL_TEXTURE_CUBE_MAP_POSITIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 2 && |
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GL_TEXTURE_CUBE_MAP_NEGATIVE_Y - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 3 && |
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GL_TEXTURE_CUBE_MAP_POSITIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 4 && |
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GL_TEXTURE_CUBE_MAP_NEGATIVE_Z - GL_TEXTURE_CUBE_MAP_POSITIVE_X == 5, |
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"Unexpected GL enum values for cube faces"); |
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Vector2i CubeMapTexture::maxSize() { |
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return Vector2i{Implementation::maxCubeMapTextureSideSize()}; |
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} |
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#ifndef MAGNUM_TARGET_GLES2 |
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Vector2i CubeMapTexture::imageSize(const Int level) { |
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return (this->*Context::current()->state().texture->getCubeImageSizeImplementation)(level); |
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} |
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#endif |
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#ifndef MAGNUM_TARGET_GLES |
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void CubeMapTexture::image(const Int level, Image3D& image) { |
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const Vector3i size{imageSize(level), 6}; |
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const std::size_t dataSize = image.dataSize(size); |
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char* data = new char[dataSize]; |
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Buffer::unbindInternal(Buffer::TargetHint::PixelPack); |
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glGetTextureImage(_id, level, GLenum(image.format()), GLenum(image.type()), dataSize, data); |
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image.setData(image.format(), image.type(), size, data); |
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} |
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Image3D CubeMapTexture::image(const Int level, Image3D&& image) { |
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this->image(level, image); |
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return std::move(image); |
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} |
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void CubeMapTexture::image(const Int level, BufferImage3D& image, const BufferUsage usage) { |
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const Vector3i size{imageSize(level), 6}; |
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const std::size_t dataSize = image.dataSize(size); |
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if(image.size() != size) |
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image.setData(image.format(), image.type(), size, nullptr, usage); |
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image.buffer().bindInternal(Buffer::TargetHint::PixelPack); |
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glGetTextureImage(_id, level, GLenum(image.format()), GLenum(image.type()), dataSize, nullptr); |
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} |
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BufferImage3D CubeMapTexture::image(const Int level, BufferImage3D&& image, const BufferUsage usage) { |
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this->image(level, image, usage); |
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return std::move(image); |
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} |
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void CubeMapTexture::image(const Coordinate coordinate, const Int level, Image2D& image) { |
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const Vector2i size = imageSize(level); |
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const std::size_t dataSize = image.dataSize(size); |
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char* data = new char[dataSize]; |
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Buffer::unbindInternal(Buffer::TargetHint::PixelPack); |
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(this->*Context::current()->state().texture->getCubeImageImplementation)(coordinate, level, size, image.format(), image.type(), dataSize, data); |
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image.setData(image.format(), image.type(), size, data); |
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} |
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Image2D CubeMapTexture::image(const Coordinate coordinate, const Int level, Image2D&& image) { |
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this->image(coordinate, level, image); |
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return std::move(image); |
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} |
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void CubeMapTexture::image(const Coordinate coordinate, const Int level, BufferImage2D& image, const BufferUsage usage) { |
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const Vector2i size = imageSize(level); |
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const std::size_t dataSize = image.dataSize(size); |
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if(image.size() != size) |
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image.setData(image.format(), image.type(), size, nullptr, usage); |
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image.buffer().bindInternal(Buffer::TargetHint::PixelPack); |
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(this->*Context::current()->state().texture->getCubeImageImplementation)(coordinate, level, size, image.format(), image.type(), dataSize, nullptr); |
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} |
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BufferImage2D CubeMapTexture::image(const Coordinate coordinate, const Int level, BufferImage2D&& image, const BufferUsage usage) { |
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this->image(coordinate, level, image, usage); |
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return std::move(image); |
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} |
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Image3D CubeMapTexture::subImage(const Int level, const Range3Di& range, Image3D&& image) { |
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this->subImage(level, range, image); |
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return std::move(image); |
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} |
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BufferImage3D CubeMapTexture::subImage(const Int level, const Range3Di& range, BufferImage3D&& image, const BufferUsage usage) { |
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this->subImage(level, range, image, usage); |
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return std::move(image); |
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} |
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CubeMapTexture& CubeMapTexture::setSubImage(const Int level, const Vector3i& offset, const ImageReference3D& image) { |
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Buffer::unbindInternal(Buffer::TargetHint::PixelUnpack); |
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glTextureSubImage3D(_id, level, offset.x(), offset.y(), offset.z(), image.size().x(), image.size().y(), image.size().z(), GLenum(image.format()), GLenum(image.type()), image.data()); |
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return *this; |
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} |
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CubeMapTexture& CubeMapTexture::setSubImage(const Int level, const Vector3i& offset, BufferImage3D& image) { |
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image.buffer().bindInternal(Buffer::TargetHint::PixelUnpack); |
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glTextureSubImage3D(_id, level, offset.x(), offset.y(), offset.z(), image.size().x(), image.size().y(), image.size().z(), GLenum(image.format()), GLenum(image.type()), nullptr); |
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return *this; |
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} |
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#endif |
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CubeMapTexture& CubeMapTexture::setSubImage(const Coordinate coordinate, const Int level, const Vector2i& offset, const ImageReference2D& image) { |
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#ifndef MAGNUM_TARGET_GLES2 |
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Buffer::unbindInternal(Buffer::TargetHint::PixelUnpack); |
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#endif |
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(this->*Context::current()->state().texture->cubeSubImageImplementation)(coordinate, level, offset, image.size(), image.format(), image.type(), image.data()); |
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return *this; |
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} |
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#ifndef MAGNUM_TARGET_GLES2 |
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CubeMapTexture& CubeMapTexture::setSubImage(const Coordinate coordinate, const Int level, const Vector2i& offset, BufferImage2D& image) { |
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image.buffer().bindInternal(Buffer::TargetHint::PixelUnpack); |
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(this->*Context::current()->state().texture->cubeSubImageImplementation)(coordinate, level, offset, image.size(), image.format(), image.type(), nullptr); |
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return *this; |
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} |
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#endif |
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#ifndef MAGNUM_TARGET_GLES2 |
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Vector2i CubeMapTexture::getImageSizeImplementationDefault(const Int level) { |
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Vector2i size; |
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bindInternal(); |
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glGetTexLevelParameteriv(GL_TEXTURE_CUBE_MAP_POSITIVE_X, level, GL_TEXTURE_WIDTH, &size.x()); |
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glGetTexLevelParameteriv(GL_TEXTURE_CUBE_MAP_POSITIVE_X, level, GL_TEXTURE_HEIGHT, &size.y()); |
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return size; |
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} |
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#ifndef MAGNUM_TARGET_GLES |
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Vector2i CubeMapTexture::getImageSizeImplementationDSA(const Int level) { |
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Vector2i size; |
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glGetTextureLevelParameteriv(_id, level, GL_TEXTURE_WIDTH, &size.x()); |
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glGetTextureLevelParameteriv(_id, level, GL_TEXTURE_HEIGHT, &size.y()); |
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return size; |
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} |
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Vector2i CubeMapTexture::getImageSizeImplementationDSAEXT(const Int level) { |
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_created = true; |
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Vector2i size; |
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glGetTextureLevelParameterivEXT(_id, GL_TEXTURE_CUBE_MAP_POSITIVE_X, level, GL_TEXTURE_WIDTH, &size.x()); |
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glGetTextureLevelParameterivEXT(_id, GL_TEXTURE_CUBE_MAP_POSITIVE_X, level, GL_TEXTURE_HEIGHT, &size.y()); |
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return size; |
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} |
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#endif |
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#endif |
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#ifndef MAGNUM_TARGET_GLES |
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void CubeMapTexture::getImageImplementationDefault(const Coordinate coordinate, const GLint level, const Vector2i&, const ColorFormat format, const ColorType type, std::size_t, GLvoid* const data) { |
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bindInternal(); |
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glGetTexImage(GLenum(coordinate), level, GLenum(format), GLenum(type), data); |
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} |
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void CubeMapTexture::getImageImplementationDSA(const Coordinate coordinate, const GLint level, const Vector2i& size, const ColorFormat format, const ColorType type, const std::size_t dataSize, GLvoid* const data) { |
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glGetTextureSubImage(_id, level, 0, 0, GLenum(coordinate) - GL_TEXTURE_CUBE_MAP_POSITIVE_X, size.x(), size.y(), 1, GLenum(format), GLenum(type), dataSize, data); |
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} |
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void CubeMapTexture::getImageImplementationDSAEXT(const Coordinate coordinate, const GLint level, const Vector2i&, const ColorFormat format, const ColorType type, std::size_t, GLvoid* const data) { |
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_created = true; |
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glGetTextureImageEXT(_id, GLenum(coordinate), level, GLenum(format), GLenum(type), data); |
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} |
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void CubeMapTexture::getImageImplementationRobustness(const Coordinate coordinate, const GLint level, const Vector2i&, const ColorFormat format, const ColorType type, const std::size_t dataSize, GLvoid* const data) { |
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bindInternal(); |
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glGetnTexImageARB(GLenum(coordinate), level, GLenum(format), GLenum(type), dataSize, data); |
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} |
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#endif |
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void CubeMapTexture::subImageImplementationDefault(const Coordinate coordinate, const GLint level, const Vector2i& offset, const Vector2i& size, const ColorFormat format, const ColorType type, const GLvoid* const data) { |
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bindInternal(); |
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glTexSubImage2D(GLenum(coordinate), level, offset.x(), offset.y(), size.x(), size.y(), GLenum(format), GLenum(type), data); |
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} |
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#ifndef MAGNUM_TARGET_GLES |
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void CubeMapTexture::subImageImplementationDSA(const Coordinate coordinate, const GLint level, const Vector2i& offset, const Vector2i& size, const ColorFormat format, const ColorType type, const GLvoid* const data) { |
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glTextureSubImage3D(_id, level, offset.x(), offset.y(), GLenum(coordinate) - GL_TEXTURE_CUBE_MAP_POSITIVE_X, size.x(), size.y(), 1, GLenum(format), GLenum(type), data); |
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} |
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void CubeMapTexture::subImageImplementationDSAEXT(const Coordinate coordinate, const GLint level, const Vector2i& offset, const Vector2i& size, const ColorFormat format, const ColorType type, const GLvoid* const data) { |
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_created = true; |
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glTextureSubImage2DEXT(_id, GLenum(coordinate), level, offset.x(), offset.y(), size.x(), size.y(), GLenum(format), GLenum(type), data); |
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} |
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#endif |
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}
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