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TextureImpl.h
    1/*
    2 * AUI Framework - Declarative UI toolkit for modern C++20
    3 * Copyright (C) 2020-2025 Alex2772 and Contributors
    4 *
    5 * SPDX-License-Identifier: MPL-2.0
    6 *
    7 * This Source Code Form is subject to the terms of the Mozilla Public
    8 * License, v. 2.0. If a copy of the MPL was not distributed with this
    9 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   10 */
   11
   12#pragma once
   13
   14#include "Texture.h"
   15#include "gl.h"
   16#include "ResourcePool.h"
   17#include <AUI/GL/State.h>
   18
   19
   20template<unsigned int TEXTURE_TARGET>
   21gl::Texture<TEXTURE_TARGET>::Texture() {
   22    mTexture = gl::ResourcePool<gl::ResourceKind::TEXTURE>::get();
   23    gl::State::bindTexture(TEXTURE_TARGET, mTexture);
   24    setupLinear();
   25    setupMirroredRepeat();
   26}
   27
   28template<unsigned int TEXTURE_TARGET>
   29gl::Texture<TEXTURE_TARGET>::~Texture() {
   30    gl::ResourcePool<gl::ResourceKind::TEXTURE>::put(mTexture);
   31    gl::State::bindTexture(TEXTURE_TARGET, 0);
   32}
   33
   34template<unsigned int TEXTURE_TARGET>
   35void gl::Texture<TEXTURE_TARGET>::setupNearest() {
   36    if (mFiltering == Filtering::NEAREST) {
   37        return;
   38    }
   39    bind();
   40    mFiltering = Filtering::NEAREST;
   41    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
   42    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   43}
   44template<unsigned int TEXTURE_TARGET>
   45void gl::Texture<TEXTURE_TARGET>::setupLinear() {
   46    if (mFiltering == Filtering::LINEAR) {
   47        return;
   48    }
   49    bind();
   50    mFiltering = Filtering::LINEAR;
   51    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
   52    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
   53}
   54
   55template<unsigned int TEXTURE_TARGET>
   56void gl::Texture<TEXTURE_TARGET>::setupRepeat() {
   57    if (mWrapping == Wrapping::REPEAT) {
   58        return;
   59    }
   60    bind();
   61    mWrapping = Wrapping::REPEAT;
   62    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_S, GL_REPEAT);
   63    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_T, GL_REPEAT);
   64}
   65
   66template<unsigned int TEXTURE_TARGET>
   67void gl::Texture<TEXTURE_TARGET>::setupMirroredRepeat() {
   68    if (mWrapping == Wrapping::MIRRORED_REPEAT) {
   69        return;
   70    }
   71    bind();
   72    mWrapping = Wrapping::MIRRORED_REPEAT;
   73    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
   74    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
   75}
   76
   77template<unsigned int TEXTURE_TARGET>
   78void gl::Texture<TEXTURE_TARGET>::setupClampToEdge() {
   79    if (mWrapping == Wrapping::CLAMP_TO_EDGE) {
   80        return;
   81    }
   82    bind();
   83    mWrapping = Wrapping::CLAMP_TO_EDGE;
   84    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   85    glTexParameteri(TEXTURE_TARGET, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   86}
   87
   88template<unsigned int TEXTURE_TARGET>
   89void gl::Texture<TEXTURE_TARGET>::bind(uint8_t index) {
   90    AUI_ASSERTX(getHandle() != 0, "gl::Texture::bind: mTexture == 0");
   91    gl::State::activeTexture(index);
   92    gl::State::bindTexture(TEXTURE_TARGET, mTexture);
   93}
   94
   95template<unsigned int TEXTURE_TARGET>
   96void gl::Texture<TEXTURE_TARGET>::unbind(uint8_t index) {
   97    gl::State::activeTexture(index);
   98    gl::State::bindTexture(TEXTURE_TARGET, 0);
   99}
AUI_ASSERTX
#define AUI_ASSERTX(condition, what)
Asserts that the passed condition evaluates to true. Adds extra message string.
Definition Assert.h:74

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