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Allow different max texture sizes for 1/2D, 3D and cube maps.

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This commit is contained in:
Brian Paul
2001-06-13 14:56:14 +00:00
parent cc22179cd8
commit cd1cefae91
9 changed files with 186 additions and 66 deletions
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29
src/mesa/main/texstate.c
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@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.52 2001/06/12 22:08:41 brianp Exp $ */
/* $Id: texstate.c,v 1.53 2001/06/13 14:56:14 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1133,19 +1133,36 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
const struct gl_texture_image *img = NULL;
GLuint dimensions;
GLboolean isProxy;
GLint maxLevels;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
return;
}
dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
if (dimensions == 0) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
return;
}
switch (target) {
case GL_TEXTURE_1D:
case GL_PROXY_TEXTURE_1D:
case GL_TEXTURE_2D:
case GL_PROXY_TEXTURE_2D:
maxLevels = ctx->Const.MaxTextureLevels;
break;
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
maxLevels = ctx->Const.Max3DTextureLevels;
break;
default:
maxLevels = ctx->Const.MaxCubeTextureLevels;
break;
}
if (level < 0 || level >= maxLevels) {
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
return;
}
img = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!img || !img->TexFormat) {
/* undefined texture image */