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- Port 3.4 texture utils, texture format work to 3.5 (including new

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FetchTexel routines).
- Initial hooks for GL_EXT_texture_filter_anisotropic.
This commit is contained in:
Gareth Hughes
2001-03-18 08:53:49 +00:00
parent 6e550baa0a
commit 2c3d34c905
19 changed files with 2364 additions and 1824 deletions
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31
src/mesa/main/texstate.c
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@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.36 2001/03/07 05:06:12 brianp Exp $ */
/* $Id: texstate.c,v 1.37 2001/03/18 08:53:50 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -770,6 +770,19 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
/* (keithh@netcomuk.co.uk) */
texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
if (params[0] < 1.0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
texObj->MaxAnisotropy = params[0];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname)");
return;
}
break;
case GL_TEXTURE_COMPARE_SGIX:
if (ctx->Extensions.SGIX_shadow) {
texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
@@ -923,32 +936,32 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = img->Border;
return;
case GL_TEXTURE_RED_SIZE:
*params = img->RedBits;
*params = img->TexFormat->RedBits;
return;
case GL_TEXTURE_GREEN_SIZE:
*params = img->GreenBits;
*params = img->TexFormat->GreenBits;
return;
case GL_TEXTURE_BLUE_SIZE:
*params = img->BlueBits;
*params = img->TexFormat->BlueBits;
return;
case GL_TEXTURE_ALPHA_SIZE:
*params = img->AlphaBits;
*params = img->TexFormat->AlphaBits;
return;
case GL_TEXTURE_INTENSITY_SIZE:
*params = img->IntensityBits;
*params = img->TexFormat->IntensityBits;
return;
case GL_TEXTURE_LUMINANCE_SIZE:
*params = img->LuminanceBits;
*params = img->TexFormat->LuminanceBits;
return;
case GL_TEXTURE_INDEX_SIZE_EXT:
*params = img->IndexBits;
*params = img->TexFormat->IndexBits;
return;
case GL_DEPTH_BITS:
/* XXX this isn't in the GL_SGIX_depth_texture spec
* but seems appropriate.
*/
if (ctx->Extensions.SGIX_depth_texture)
*params = img->DepthBits;
*params = img->TexFormat->DepthBits;
else
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
return;