From f4e9ef3a2f98b9f9d0cfc18ed81e5b4b1de0fd12 Mon Sep 17 00:00:00 2001 From: tobigun Date: Mon, 20 Oct 2008 10:14:21 +0000 Subject: Alpha plane request (SDL_GL_ALPHA_SIZE) removed as we do not need it anymore (was only needed for backbuffer offscreen rendering). git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1464 b956fd51-792f-4845-bead-9b4dfca2ff2c --- src/base/UGraphic.pas | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) (limited to 'src/base') diff --git a/src/base/UGraphic.pas b/src/base/UGraphic.pas index a6620c0d..75c90134 100644 --- a/src/base/UGraphic.pas +++ b/src/base/UGraphic.pas @@ -583,21 +583,13 @@ begin Screens := Ini.Screens + 1; // Set minimum color component sizes - // Note: - // - SDL_GL_ALPHA_SIZE should not be set here, otherwise on a few systems with - // some versions of SDL (at least 1.2.11) SDL_SetVideoMode will fail. - // The problem occured if the adjusted color component sizes did not leave - // any space for alpha, e.g. red/green/blue ajusted from 5 to 8: - // r_size+g_size+b_size = 24, so an alpha of at least 5 is just available if - // the depth is 32bit. - // - Without SDL_GL_ALPHA_SIZE the lyrics won't work anymore on some systems - // as the offscreen lyrics rendering needs an alpha component in the - // back-buffer. - // -> Leave SDL_GL_ALPHA_SIZE until the lyrics-engine is changed. + // Note: do not request an alpha plane with SDL_GL_ALPHA_SIZE here as + // some cards/implementations do not support them (SDL_SetVideoMode fails). + // We do not the alpha plane anymore since offscreen rendering in back-buffer + // was removed. SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5); SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); - SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 5); SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); // Z-Buffer depth SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); -- cgit v1.2.3