From 55a1de899c35c63d5f191d09a905a7fa42a853ce Mon Sep 17 00:00:00 2001
From: Sean Ryder <sryder13@gmail.com>
Date: Fri, 29 Apr 2016 18:58:20 +0100
Subject: [PATCH] The fade masks textures should use an alpha format So they
don't get effected by the texture format set by the screen depth GL_RGB5_A1
from 16-bit was removing all alpha from the texture
---
src/hardware/r_opengl/r_opengl.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/hardware/r_opengl/r_opengl.c b/src/hardware/r_opengl/r_opengl.c
index a407a9e458..587a239357 100644
--- a/src/hardware/r_opengl/r_opengl.c
+++ b/src/hardware/r_opengl/r_opengl.c
@@ -1470,6 +1470,26 @@ EXPORT void HWRAPI(SetTexture) (FTextureInfo *pTexInfo)
else
pglTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
}
+ else if (pTexInfo->grInfo.format == GR_TEXFMT_ALPHA_8)
+ {
+ //pglTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
+ if (MipMap)
+ {
+ pgluBuild2DMipmaps(GL_TEXTURE_2D, GL_ALPHA, w, h, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
+#ifdef GL_TEXTURE_MIN_LOD
+ pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, 0);
+#endif
+#ifdef GL_TEXTURE_MAX_LOD
+ if (pTexInfo->flags & TF_TRANSPARENT)
+ pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 0); // No mippmaps on transparent stuff
+ else
+ pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 4);
+#endif
+ //pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR_MIPMAP_LINEAR);
+ }
+ else
+ pglTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
+ }
else
{
if (MipMap)
--
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