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Update #50 - Bug fixes and shader improvements

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lax1dude
2025-02-22 16:52:35 -08:00
parent b0a2739fe1
commit 7e772e2502
133 changed files with 3064 additions and 2299 deletions
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35
sources/resources/assets/eagler/glsl/deferred/lib/branchless_comparison.glsl Normal file
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/*
* Copyright (c) 2025 lax1dude. All Rights Reserved.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
// Assuming modern GPUs probably implement clamp, max, and ciel without branches
// value1 > value2 ? 1.0 : 0.0
#define COMPARE_GT_0_1(value1, value2) clamp(ceil(value1 - value2), 0.0, 1.0)
// value1 > value2 ? N : 0.0
#define COMPARE_GT_0_ANY(value1, value2) max(ceil(value1 - value2), 0.0)
// value1 < value2 ? 1.0 : 0.0
#define COMPARE_LT_0_1(value1, value2) clamp(ceil(value2 - value1), 0.0, 1.0)
// value1 < value2 ? N : 0.0
#define COMPARE_LT_0_ANY(value1, value2) max(ceil(value2 - value1), 0.0)
// value1 > value2 ? ifGT : ifLT
#define COMPARE_GT_C_C(value1, value2, ifGT, ifLT) (COMPARE_GT_0_1(value1, value2) * (ifGT - ifLT) + ifLT)
// value1 < value2 ? ifLT : ifGT
#define COMPARE_LT_C_C(value1, value2, ifLT, ifGT) (COMPARE_LT_0_1(value1, value2) * (ifLT - ifGT) + ifGT)