Merge pull request #119 from cortex-command-community/fix-missing-index-255

Fix index 255 showing up as black

Author: Causeless

CHANGELOG.md

@@ -12,6 +12,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 </details>
 
+<details><summary><b>Fixed</b></summary>
+
+- Fixed an issue where palette index 255 was incorrectly showing as black.
+
+</details>
+
 ## [Release v6.2.2] - 2024/02/24
 
 <details><summary><b>Added</b></summary>

Source/Managers/PostProcessMan.cpp

@@ -125,6 +125,8 @@ void PostProcessMan::CreateGLBackBuffers() {
 	GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, c_PaletteEntriesNumber, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0));
 	GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
 	GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
+	GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
+	GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
 	UpdatePalette();
 	GL_CHECK(glActiveTexture(GL_TEXTURE0));
 	m_ProjectionMatrix = std::make_unique<glm::mat4>(glm::ortho(0.0F, static_cast<float>(g_WindowMan.GetResX()), 0.0F, static_cast<float>(g_WindowMan.GetResY()), -1.0F, 1.0F));