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OpenGL: use sized texture internal formats

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Maybe this is pedantic but I read it’s best to explicitly set the
desired component size.

Also append “_ARB” to float texture formats since those need an
extension in GL 2.1.
This commit is contained in:
Mike Erwin
2015-12-08 01:19:08 -05:00
parent c013d64a0a
commit 6006173f4a
7 changed files with 21 additions and 17 deletions
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6
source/blender/editors/interface/interface_icons.c
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@@ -640,12 +640,12 @@ static void init_internal_icons(void)
glBindTexture(GL_TEXTURE_2D, icongltex.id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, b32buf->x, b32buf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, b32buf->rect);
glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, b16buf->x, b16buf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, b16buf->rect);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, b32buf->x, b32buf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, b32buf->rect);
glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA8, b16buf->x, b16buf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, b16buf->rect);
while (b16buf->x > 1) {
ImBuf *nbuf = IMB_onehalf(b16buf);
glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, nbuf->x, nbuf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, nbuf->rect);
glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA8, nbuf->x, nbuf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, nbuf->rect);
level++;
IMB_freeImBuf(b16buf);
b16buf = nbuf;