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Diffstat (limited to 'src/graphics/common/texture.h')
| -rw-r--r-- | src/graphics/common/texture.h | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/graphics/common/texture.h b/src/graphics/common/texture.h deleted file mode 100644 index 787c2bf..0000000 --- a/src/graphics/common/texture.h +++ /dev/null @@ -1,237 +0,0 @@ -// * This file is part of the COLOBOT source code -// * Copyright (C) 2012, Polish Portal of Colobot (PPC) -// * -// * This program is free software: you can redistribute it and/or modify -// * it under the terms of the GNU General Public License as published by -// * the Free Software Foundation, either version 3 of the License, or -// * (at your option) any later version. -// * -// * This program is distributed in the hope that it will be useful, -// * but WITHOUT ANY WARRANTY; without even the implied warranty of -// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// * GNU General Public License for more details. -// * -// * You should have received a copy of the GNU General Public License -// * along with this program. If not, see http://www.gnu.org/licenses/. - -// texture.h - -#pragma once - -namespace Gfx { - -/** - \enum TexImgFormat - \brief Format of image data */ -enum TexImgFormat -{ - //! Try to determine automatically (may not work) - TEX_IMG_AUTO, - //! RGB triplet, 3 bytes - TEX_IMG_RGB, - //! BGR triplet, 3 bytes - TEX_IMG_BGR, - //! RGBA triplet, 4 bytes - TEX_IMG_RGBA, - //! BGRA triplet, 4 bytes - TEX_IMG_BGRA -}; - -/** - \enum TexMinFilter - \brief Texture minification filter - - Corresponds to OpenGL modes but should translate to DirectX too. */ -enum TexMinFilter -{ - TEX_MIN_FILTER_NEAREST, - TEX_MIN_FILTER_LINEAR, - TEX_MIN_FILTER_NEAREST_MIPMAP_NEAREST, - TEX_MIN_FILTER_LINEAR_MIPMAP_NEAREST, - TEX_MIN_FILTER_NEAREST_MIPMAP_LINEAR, - TEX_MIN_FILTER_LINEAR_MIPMAP_LINEAR -}; - -/** - \enum TexMagFilter - \brief Texture magnification filter */ -enum TexMagFilter -{ - TEX_MAG_FILTER_NEAREST, - TEX_MAG_FILTER_LINEAR -}; - -/** - \enum TexWrapMode - \brief Wrapping mode for texture coords */ -enum TexWrapMode -{ - TEX_WRAP_CLAMP, - TEX_WRAP_REPEAT -}; - -/** - \enum TexMixOperation - \brief Multitexture mixing operation */ -enum TexMixOperation -{ - //! Default operation on default params (modulate on computed & texture) - TEX_MIX_OPER_DEFAULT, - //! = Arg1 - TEX_MIX_OPER_REPLACE, - //! = Arg1 * Arg2 - TEX_MIX_OPER_MODULATE, - //! = Arg1 + Arg2 - TEX_MIX_OPER_ADD, - //! = Arg1 - Arg2 - TEX_MIX_OPER_SUBTRACT -}; - -/** - \enum TexMixArgument - \brief Multitexture mixing argument */ -enum TexMixArgument -{ - //! Color from current texture - TEX_MIX_ARG_TEXTURE, - //! Color computed by previous texture unit (current in DirectX; previous in OpenGL) - TEX_MIX_ARG_COMPUTED_COLOR, - //! (Source) color of textured fragment (diffuse in DirectX; primary color in OpenGL) - TEX_MIX_ARG_SRC_COLOR, - //! Constant color (texture factor in DirectX; texture env color in OpenGL) - TEX_MIX_ARG_FACTOR -}; - -/** - \struct TextureCreateParams - \brief Parameters for texture creation - - These params define how particular texture is created and later displayed. - They must be specified at texture creation time and cannot be changed later. */ -struct TextureCreateParams -{ - //! Whether to generate mipmaps - bool mipmap; - //! Format of source image data - Gfx::TexImgFormat format; - //! Minification filter - Gfx::TexMinFilter minFilter; - //! Magnification filter - Gfx::TexMagFilter magFilter; - - //! Constructor; calls LoadDefault() - TextureCreateParams() - { LoadDefault(); } - - //! Loads the default values - inline void LoadDefault() - { - format = Gfx::TEX_IMG_RGB; - mipmap = false; - - minFilter = Gfx::TEX_MIN_FILTER_NEAREST; - magFilter = Gfx::TEX_MAG_FILTER_NEAREST; - } -}; - -/** - \struct TextureStageParams - \brief Parameters for a texture unit - - These params define the behavior of texturing units (stages). - They can be changed freely and are feature of graphics engine, not any particular texture. */ -struct TextureStageParams -{ - //! Mixing operation done on color values - Gfx::TexMixOperation colorOperation; - //! 1st argument of color operations - Gfx::TexMixArgument colorArg1; - //! 2nd argument of color operations - Gfx::TexMixArgument colorArg2; - //! Mixing operation done on alpha values - Gfx::TexMixOperation alphaOperation; - //! 1st argument of alpha operations - Gfx::TexMixArgument alphaArg1; - //! 2nd argument of alpha operations - Gfx::TexMixArgument alphaArg2; - //! Wrap mode for 1st tex coord - Gfx::TexWrapMode wrapS; - //! Wrap mode for 2nd tex coord - Gfx::TexWrapMode wrapT; - - //! Constructor; calls LoadDefault() - TextureStageParams() - { LoadDefault(); } - - //! Loads the default values - inline void LoadDefault() - { - colorOperation = Gfx::TEX_MIX_OPER_DEFAULT; - colorArg1 = Gfx::TEX_MIX_ARG_COMPUTED_COLOR; - colorArg2 = Gfx::TEX_MIX_ARG_TEXTURE; - - alphaOperation = Gfx::TEX_MIX_OPER_DEFAULT; - alphaArg1 = Gfx::TEX_MIX_ARG_COMPUTED_COLOR; - alphaArg2 = Gfx::TEX_MIX_ARG_TEXTURE; - - wrapS = wrapT = Gfx::TEX_WRAP_REPEAT; - } -}; - -/** - \struct Texture - \brief Info about a texture - - Identifies (through id) a texture created in graphics engine. - Also contains some additional data. */ -struct Texture -{ - //! Whether the texture (ID) is valid - bool valid; - //! ID of the texture in graphics engine - unsigned int id; - //! Width of texture - int width; - //! Height of texture - int height; - //! Whether the texture has alpha channel - bool alpha; - - Texture() - { - valid = false; - id = 0; - width = height = 0; - alpha = false; - } - - //! Comparator for use in texture maps and sets - inline bool operator<(const Gfx::Texture &other) const - { - // Invalid textures are always "less than" every other texture - - if ( (!valid) && (!other.valid) ) - return false; - - if (!valid) - return true; - - if (!other.valid) - return false; - - return id < other.id; - } - - //! Comparator - inline bool operator==(const Gfx::Texture &other) const - { - if (valid != other.valid) - return false; - if ( (!valid) && (!other.valid) ) - return true; - - return id == other.id; - } -}; - -}; // namespace Gfx |