patch to import Jon Smirl's work from Bitkeeper

1 files changed, 733 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/radeon/radeon_tex.c b/src/mesa/drivers/dri/radeon/radeon_tex.c
new file mode 100644
index 00000000000..e068202c5ee
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_tex.c
@@ -0,0 +1,733 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_tex.c,v 1.6 2002/09/16 18:05:20 eich Exp $ */
+/*
+Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
+                     VA Linux Systems Inc., Fremont, California.
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+/*
+ * Authors:
+ *    Gareth Hughes <[email protected]>
+ *    Brian Paul <[email protected]>
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "context.h"
+#include "enums.h"
+#include "image.h"
+#include "simple_list.h"
+#include "texformat.h"
+#include "texstore.h"
+#include "teximage.h"
+
+
+#include "radeon_context.h"
+#include "radeon_state.h"
+#include "radeon_ioctl.h"
+#include "radeon_swtcl.h"
+#include "radeon_tex.h"
+
+
+
+/**
+ * Set the texture wrap modes.
+ * 
+ * \param t Texture object whose wrap modes are to be set
+ * \param swrap Wrap mode for the \a s texture coordinate
+ * \param twrap Wrap mode for the \a t texture coordinate
+ */
+
+static void radeonSetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap )
+{
+   GLboolean  is_clamp = GL_FALSE;
+   GLboolean  is_clamp_to_border = GL_FALSE;
+
+   t->pp_txfilter &= ~(RADEON_CLAMP_S_MASK | RADEON_CLAMP_T_MASK | RADEON_BORDER_MODE_D3D);
+
+   switch ( swrap ) {
+   case GL_REPEAT:
+      t->pp_txfilter |= RADEON_CLAMP_S_WRAP;
+      break;
+   case GL_CLAMP:
+      t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL;
+      is_clamp = GL_TRUE;
+      break;
+   case GL_CLAMP_TO_EDGE:
+      t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_LAST;
+      break;
+   case GL_CLAMP_TO_BORDER:
+      t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL;
+      is_clamp_to_border = GL_TRUE;
+      break;
+   case GL_MIRRORED_REPEAT:
+      t->pp_txfilter |= RADEON_CLAMP_S_MIRROR;
+      break;
+   case GL_MIRROR_CLAMP_ATI:
+      t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_GL;
+      is_clamp = GL_TRUE;
+      break;
+   case GL_MIRROR_CLAMP_TO_EDGE_ATI:
+      t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_LAST;
+      break;
+   default:
+      _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__);
+   }
+
+   switch ( twrap ) {
+   case GL_REPEAT:
+      t->pp_txfilter |= RADEON_CLAMP_T_WRAP;
+      break;
+   case GL_CLAMP:
+      t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL;
+      is_clamp = GL_TRUE;
+      break;
+   case GL_CLAMP_TO_EDGE:
+      t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_LAST;
+      break;
+   case GL_CLAMP_TO_BORDER:
+      t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL;
+      is_clamp_to_border = GL_TRUE;
+      break;
+   case GL_MIRRORED_REPEAT:
+      t->pp_txfilter |= RADEON_CLAMP_T_MIRROR;
+      break;
+   case GL_MIRROR_CLAMP_ATI:
+      t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_GL;
+      is_clamp = GL_TRUE;
+      break;
+   case GL_MIRROR_CLAMP_TO_EDGE_ATI:
+      t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_LAST;
+      break;
+   default:
+      _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__);
+   }
+
+   if ( is_clamp_to_border ) {
+      t->pp_txfilter |= RADEON_BORDER_MODE_D3D;
+   }
+
+   t->border_fallback = (is_clamp && is_clamp_to_border);
+}
+
+static void radeonSetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max )
+{
+   t->pp_txfilter &= ~RADEON_MAX_ANISO_MASK;
+
+   if ( max == 1.0 ) {
+      t->pp_txfilter |= RADEON_MAX_ANISO_1_TO_1;
+   } else if ( max <= 2.0 ) {
+      t->pp_txfilter |= RADEON_MAX_ANISO_2_TO_1;
+   } else if ( max <= 4.0 ) {
+      t->pp_txfilter |= RADEON_MAX_ANISO_4_TO_1;
+   } else if ( max <= 8.0 ) {
+      t->pp_txfilter |= RADEON_MAX_ANISO_8_TO_1;
+   } else {
+      t->pp_txfilter |= RADEON_MAX_ANISO_16_TO_1;
+   }
+}
+
+/**
+ * Set the texture magnification and minification modes.
+ * 
+ * \param t Texture whose filter modes are to be set
+ * \param minf Texture minification mode
+ * \param magf Texture magnification mode
+ */
+
+static void radeonSetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf )
+{
+   GLuint anisotropy = (t->pp_txfilter & RADEON_MAX_ANISO_MASK);
+
+   t->pp_txfilter &= ~(RADEON_MIN_FILTER_MASK | RADEON_MAG_FILTER_MASK);
+
+   if ( anisotropy == RADEON_MAX_ANISO_1_TO_1 ) {
+      switch ( minf ) {
+      case GL_NEAREST:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST;
+	 break;
+      case GL_LINEAR:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR;
+	 break;
+      case GL_NEAREST_MIPMAP_NEAREST:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_NEAREST;
+	 break;
+      case GL_NEAREST_MIPMAP_LINEAR:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_NEAREST;
+	 break;
+      case GL_LINEAR_MIPMAP_NEAREST:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_LINEAR;
+	 break;
+      case GL_LINEAR_MIPMAP_LINEAR:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_LINEAR;
+	 break;
+      }
+   } else {
+      switch ( minf ) {
+      case GL_NEAREST:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST;
+	 break;
+      case GL_LINEAR:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_LINEAR;
+	 break;
+      case GL_NEAREST_MIPMAP_NEAREST:
+      case GL_LINEAR_MIPMAP_NEAREST:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST;
+	 break;
+      case GL_NEAREST_MIPMAP_LINEAR:
+      case GL_LINEAR_MIPMAP_LINEAR:
+	 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR;
+	 break;
+      }
+   }
+
+   switch ( magf ) {
+   case GL_NEAREST:
+      t->pp_txfilter |= RADEON_MAG_FILTER_NEAREST;
+      break;
+   case GL_LINEAR:
+      t->pp_txfilter |= RADEON_MAG_FILTER_LINEAR;
+      break;
+   }
+}
+
+static void radeonSetTexBorderColor( radeonTexObjPtr t, GLubyte c[4] )
+{
+   t->pp_border_color = radeonPackColor( 4, c[0], c[1], c[2], c[3] );
+}
+
+
+/**
+ * Allocate space for and load the mesa images into the texture memory block.
+ * This will happen before drawing with a new texture, or drawing with a
+ * texture after it was swapped out or teximaged again.
+ */
+
+static radeonTexObjPtr radeonAllocTexObj( struct gl_texture_object *texObj )
+{
+   radeonTexObjPtr t;
+
+   t = CALLOC_STRUCT( radeon_tex_obj );
+   texObj->DriverData = t;
+   if ( t != NULL ) {
+      if ( RADEON_DEBUG & DEBUG_TEXTURE ) {
+	 fprintf( stderr, "%s( %p, %p )\n", __FUNCTION__, texObj, t );
+      }
+
+      /* Initialize non-image-dependent parts of the state:
+       */
+      t->base.tObj = texObj;
+      t->border_fallback = GL_FALSE;
+
+      t->pp_txfilter = RADEON_BORDER_MODE_OGL;
+      t->pp_txformat = (RADEON_TXFORMAT_ENDIAN_NO_SWAP |
+			RADEON_TXFORMAT_PERSPECTIVE_ENABLE);
+
+      make_empty_list( & t->base );
+
+      radeonSetTexWrap( t, texObj->WrapS, texObj->WrapT );
+      radeonSetTexMaxAnisotropy( t, texObj->MaxAnisotropy );
+      radeonSetTexFilter( t, texObj->MinFilter, texObj->MagFilter );
+      radeonSetTexBorderColor( t, texObj->_BorderChan );
+   }
+
+   return t;
+}
+
+
+static const struct gl_texture_format *
+radeonChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+                           GLenum format, GLenum type )
+{
+   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+   const GLboolean do32bpt = ( rmesa->radeonScreen->cpp == 4 );
+
+   switch ( internalFormat ) {
+   case 4:
+   case GL_RGBA:
+   case GL_COMPRESSED_RGBA:
+      if ( format == GL_BGRA ) {
+	 if ( type == GL_UNSIGNED_INT_8_8_8_8_REV ) {
+	    return &_mesa_texformat_argb8888;
+	 }
+         else if ( type == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
+            return &_mesa_texformat_argb4444;
+	 }
+         else if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
+	    return &_mesa_texformat_argb1555;
+	 }
+      }
+      return do32bpt ? &_mesa_texformat_rgba8888 : &_mesa_texformat_argb4444;
+
+   case 3:
+   case GL_RGB:
+   case GL_COMPRESSED_RGB:
+      if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
+	 return &_mesa_texformat_rgb565;
+      }
+      return do32bpt ? &_mesa_texformat_rgba8888 : &_mesa_texformat_rgb565;
+
+   case GL_RGBA8:
+   case GL_RGB10_A2:
+   case GL_RGBA12:
+   case GL_RGBA16:
+      return do32bpt ? &_mesa_texformat_rgba8888 : &_mesa_texformat_argb4444;
+
+   case GL_RGBA4:
+   case GL_RGBA2:
+      return &_mesa_texformat_argb4444;
+
+   case GL_RGB5_A1:
+      return &_mesa_texformat_argb1555;
+
+   case GL_RGB8:
+   case GL_RGB10:
+   case GL_RGB12:
+   case GL_RGB16:
+      return do32bpt ? &_mesa_texformat_rgba8888 : &_mesa_texformat_rgb565;
+
+   case GL_RGB5:
+   case GL_RGB4:
+   case GL_R3_G3_B2:
+      return &_mesa_texformat_rgb565;
+
+   case GL_ALPHA:
+   case GL_ALPHA4:
+   case GL_ALPHA8:
+   case GL_ALPHA12:
+   case GL_ALPHA16:
+   case GL_COMPRESSED_ALPHA:
+      return &_mesa_texformat_al88;
+
+   case 1:
+   case GL_LUMINANCE:
+   case GL_LUMINANCE4:
+   case GL_LUMINANCE8:
+   case GL_LUMINANCE12:
+   case GL_LUMINANCE16:
+   case GL_COMPRESSED_LUMINANCE:
+      return &_mesa_texformat_al88;
+
+   case 2:
+   case GL_LUMINANCE_ALPHA:
+   case GL_LUMINANCE4_ALPHA4:
+   case GL_LUMINANCE6_ALPHA2:
+   case GL_LUMINANCE8_ALPHA8:
+   case GL_LUMINANCE12_ALPHA4:
+   case GL_LUMINANCE12_ALPHA12:
+   case GL_LUMINANCE16_ALPHA16:
+   case GL_COMPRESSED_LUMINANCE_ALPHA:
+      return &_mesa_texformat_al88;
+
+   case GL_INTENSITY:
+   case GL_INTENSITY4:
+   case GL_INTENSITY8:
+   case GL_INTENSITY12:
+   case GL_INTENSITY16:
+   case GL_COMPRESSED_INTENSITY:
+      return &_mesa_texformat_i8;
+
+   case GL_YCBCR_MESA:
+      if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
+          type == GL_UNSIGNED_BYTE)
+         return &_mesa_texformat_ycbcr;
+      else
+         return &_mesa_texformat_ycbcr_rev;
+
+   default:
+      _mesa_problem(ctx, "unexpected texture format in %s", __FUNCTION__);
+      return NULL;
+   }
+
+   return NULL; /* never get here */
+}
+
+
+static void radeonTexImage1D( GLcontext *ctx, GLenum target, GLint level,
+                              GLint internalFormat,
+                              GLint width, GLint border,
+                              GLenum format, GLenum type, const GLvoid *pixels,
+                              const struct gl_pixelstore_attrib *packing,
+                              struct gl_texture_object *texObj,
+                              struct gl_texture_image *texImage )
+{
+   driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+   if ( t ) {
+      driSwapOutTextureObject( t );
+   }
+   else {
+      t = (driTextureObject *) radeonAllocTexObj( texObj );
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+         return;
+      }
+   }
+
+   /* Note, this will call ChooseTextureFormat */
+   _mesa_store_teximage1d(ctx, target, level, internalFormat,
+                          width, border, format, type, pixels,
+                          &ctx->Unpack, texObj, texImage);
+
+   t->dirty_images[0] |= (1 << level);
+}
+
+
+static void radeonTexSubImage1D( GLcontext *ctx, GLenum target, GLint level,
+                                 GLint xoffset,
+                                 GLsizei width,
+                                 GLenum format, GLenum type,
+                                 const GLvoid *pixels,
+                                 const struct gl_pixelstore_attrib *packing,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage )
+{
+   driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+   assert( t ); /* this _should_ be true */
+   if ( t ) {
+      driSwapOutTextureObject( t );
+   }
+   else {
+      t = (driTextureObject *) radeonAllocTexObj( texObj );
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
+         return;
+      }
+   }
+
+   _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+			     format, type, pixels, packing, texObj,
+			     texImage);
+
+   t->dirty_images[0] |= (1 << level);
+}
+
+
+static void radeonTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+                              GLint internalFormat,
+                              GLint width, GLint height, GLint border,
+                              GLenum format, GLenum type, const GLvoid *pixels,
+                              const struct gl_pixelstore_attrib *packing,
+                              struct gl_texture_object *texObj,
+                              struct gl_texture_image *texImage )
+{
+   driTextureObject * t = (driTextureObject *) texObj->DriverData;
+   GLuint face;
+
+   /* which cube face or ordinary 2D image */
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+      face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+      ASSERT(face < 6);
+      break;
+   default:
+      face = 0;
+   }
+
+   if ( t != NULL ) {
+      driSwapOutTextureObject( t );
+   }
+   else {
+      t = (driTextureObject *) radeonAllocTexObj( texObj );
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+         return;
+      }
+   }
+
+   /* Note, this will call ChooseTextureFormat */
+   _mesa_store_teximage2d(ctx, target, level, internalFormat,
+                          width, height, border, format, type, pixels,
+                          &ctx->Unpack, texObj, texImage);
+
+   t->dirty_images[face] |= (1 << level);
+}
+
+
+static void radeonTexSubImage2D( GLcontext *ctx, GLenum target, GLint level,
+                                 GLint xoffset, GLint yoffset,
+                                 GLsizei width, GLsizei height,
+                                 GLenum format, GLenum type,
+                                 const GLvoid *pixels,
+                                 const struct gl_pixelstore_attrib *packing,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage )
+{
+   driTextureObject * t = (driTextureObject *) texObj->DriverData;
+   GLuint face;
+
+
+   /* which cube face or ordinary 2D image */
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+      face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+      ASSERT(face < 6);
+      break;
+   default:
+      face = 0;
+   }
+
+   assert( t ); /* this _should_ be true */
+   if ( t ) {
+      driSwapOutTextureObject( t );
+   }
+   else {
+      t = (driTextureObject *) radeonAllocTexObj( texObj );
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+         return;
+      }
+   }
+
+   _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+			     height, format, type, pixels, packing, texObj,
+			     texImage);
+
+   t->dirty_images[face] |= (1 << level);
+}
+
+
+
+#define SCALED_FLOAT_TO_BYTE( x, scale ) \
+		(((GLuint)((255.0F / scale) * (x))) / 2)
+
+static void radeonTexEnv( GLcontext *ctx, GLenum target,
+			  GLenum pname, const GLfloat *param )
+{
+   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+   GLuint unit = ctx->Texture.CurrentUnit;
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+   if ( RADEON_DEBUG & DEBUG_STATE ) {
+      fprintf( stderr, "%s( %s )\n",
+	       __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
+   }
+
+   switch ( pname ) {
+   case GL_TEXTURE_ENV_COLOR: {
+      GLubyte c[4];
+      GLuint envColor;
+      UNCLAMPED_FLOAT_TO_RGBA_CHAN( c, texUnit->EnvColor );
+      envColor = radeonPackColor( 4, c[0], c[1], c[2], c[3] );
+      if ( rmesa->hw.tex[unit].cmd[TEX_PP_TFACTOR] != envColor ) {
+	 RADEON_STATECHANGE( rmesa, tex[unit] );
+	 rmesa->hw.tex[unit].cmd[TEX_PP_TFACTOR] = envColor;
+      }
+      break;
+   }
+
+   case GL_TEXTURE_LOD_BIAS_EXT: {
+      GLfloat bias;
+      GLuint b;
+
+      /* The Radeon's LOD bias is a signed 2's complement value with a
+       * range of -1.0 <= bias < 4.0.  We break this into two linear
+       * functions, one mapping [-1.0,0.0] to [-128,0] and one mapping
+       * [0.0,4.0] to [0,127].
+       */
+      bias = CLAMP( *param, -1.0, 4.0 );
+      if ( bias == 0 ) {
+	 b = 0;
+      } else if ( bias > 0 ) {
+	 b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 4.0 )) << RADEON_LOD_BIAS_SHIFT;
+      } else {
+	 b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 1.0 )) << RADEON_LOD_BIAS_SHIFT;
+      }
+      if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] & RADEON_LOD_BIAS_MASK) != b ) {
+	 RADEON_STATECHANGE( rmesa, tex[unit] );
+	 rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] &= ~RADEON_LOD_BIAS_MASK;
+	 rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] |= (b & RADEON_LOD_BIAS_MASK);
+      }
+      break;
+   }
+
+   default:
+      return;
+   }
+}
+
+
+/**
+ * Changes variables and flags for a state update, which will happen at the
+ * next UpdateTextureState
+ */
+
+static void radeonTexParameter( GLcontext *ctx, GLenum target,
+				struct gl_texture_object *texObj,
+				GLenum pname, const GLfloat *params )
+{
+   radeonTexObjPtr t = (radeonTexObjPtr) texObj->DriverData;
+
+   if ( RADEON_DEBUG & (DEBUG_STATE|DEBUG_TEXTURE) ) {
+      fprintf( stderr, "%s( %s )\n", __FUNCTION__,
+	       _mesa_lookup_enum_by_nr( pname ) );
+   }
+
+   if ( ( target != GL_TEXTURE_2D ) &&
+	( target != GL_TEXTURE_1D ) )
+      return;
+
+   switch ( pname ) {
+   case GL_TEXTURE_MIN_FILTER:
+   case GL_TEXTURE_MAG_FILTER:
+   case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+      radeonSetTexMaxAnisotropy( t, texObj->MaxAnisotropy );
+      radeonSetTexFilter( t, texObj->MinFilter, texObj->MagFilter );
+      break;
+
+   case GL_TEXTURE_WRAP_S:
+   case GL_TEXTURE_WRAP_T:
+      radeonSetTexWrap( t, texObj->WrapS, texObj->WrapT );
+      break;
+
+   case GL_TEXTURE_BORDER_COLOR:
+      radeonSetTexBorderColor( t, texObj->_BorderChan );
+      break;
+
+   case GL_TEXTURE_BASE_LEVEL:
+   case GL_TEXTURE_MAX_LEVEL:
+   case GL_TEXTURE_MIN_LOD:
+   case GL_TEXTURE_MAX_LOD:
+      /* This isn't the most efficient solution but there doesn't appear to
+       * be a nice alternative.  Since there's no LOD clamping,
+       * we just have to rely on loading the right subset of mipmap levels
+       * to simulate a clamped LOD.
+       */
+      driSwapOutTextureObject( (driTextureObject *) t );
+      break;
+
+   default:
+      return;
+   }
+
+   /* Mark this texobj as dirty (one bit per tex unit)
+    */
+   t->dirty_state = TEX_ALL;
+}
+
+
+
+static void radeonBindTexture( GLcontext *ctx, GLenum target,
+			       struct gl_texture_object *texObj )
+{
+   if ( RADEON_DEBUG & (DEBUG_STATE|DEBUG_TEXTURE) ) {
+      fprintf( stderr, "%s( %p ) unit=%d\n", __FUNCTION__, texObj,
+	       ctx->Texture.CurrentUnit );
+   }
+
+   if ( target == GL_TEXTURE_2D || target == GL_TEXTURE_1D ) {
+      if ( texObj->DriverData == NULL ) {
+	 radeonAllocTexObj( texObj );
+      }
+   }
+}
+
+static void radeonDeleteTexture( GLcontext *ctx,
+				 struct gl_texture_object *texObj )
+{
+   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+   driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+   if ( RADEON_DEBUG & (DEBUG_STATE|DEBUG_TEXTURE) ) {
+      fprintf( stderr, "%s( %p (target = %s) )\n", __FUNCTION__, texObj,
+	       _mesa_lookup_enum_by_nr( texObj->Target ) );
+   }
+
+   if ( t != NULL ) {
+      if ( rmesa ) {
+         RADEON_FIREVERTICES( rmesa );
+      }
+
+      driDestroyTextureObject( t );
+   }
+}
+
+/* Need:  
+ *  - Same GEN_MODE for all active bits
+ *  - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
+ *  - STRQ presumably all supported (matrix means incoming R values
+ *    can end up in STQ, this has implications for vertex support,
+ *    presumably ok if maos is used, though?)
+ *  
+ * Basically impossible to do this on the fly - just collect some
+ * basic info & do the checks from ValidateState().
+ */
+static void radeonTexGen( GLcontext *ctx,
+			  GLenum coord,
+			  GLenum pname,
+			  const GLfloat *params )
+{
+   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+   GLuint unit = ctx->Texture.CurrentUnit;
+   rmesa->recheck_texgen[unit] = GL_TRUE;
+}
+
+
+void radeonInitTextureFuncs( GLcontext *ctx )
+{
+   radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+
+
+   ctx->Driver.ChooseTextureFormat	= radeonChooseTextureFormat;
+   ctx->Driver.TexImage1D		= radeonTexImage1D;
+   ctx->Driver.TexImage2D		= radeonTexImage2D;
+   ctx->Driver.TexImage3D		= _mesa_store_teximage3d;
+   ctx->Driver.TexSubImage1D		= radeonTexSubImage1D;
+   ctx->Driver.TexSubImage2D		= radeonTexSubImage2D;
+   ctx->Driver.TexSubImage3D		= _mesa_store_texsubimage3d;
+   ctx->Driver.CopyTexImage1D		= _swrast_copy_teximage1d;
+   ctx->Driver.CopyTexImage2D		= _swrast_copy_teximage2d;
+   ctx->Driver.CopyTexSubImage1D	= _swrast_copy_texsubimage1d;
+   ctx->Driver.CopyTexSubImage2D	= _swrast_copy_texsubimage2d;
+   ctx->Driver.CopyTexSubImage3D 	= _swrast_copy_texsubimage3d;
+   ctx->Driver.TestProxyTexImage	= _mesa_test_proxy_teximage;
+
+   ctx->Driver.BindTexture		= radeonBindTexture;
+   ctx->Driver.CreateTexture		= NULL; /* FIXME: Is this used??? */
+   ctx->Driver.DeleteTexture		= radeonDeleteTexture;
+   ctx->Driver.IsTextureResident	= driIsTextureResident;
+   ctx->Driver.PrioritizeTexture	= NULL;
+   ctx->Driver.ActiveTexture		= NULL;
+   ctx->Driver.UpdateTexturePalette	= NULL;
+
+   ctx->Driver.TexEnv			= radeonTexEnv;
+   ctx->Driver.TexParameter		= radeonTexParameter;
+   ctx->Driver.TexGen                   = radeonTexGen;
+
+   driInitTextureObjects( ctx, & rmesa->swapped,
+			  DRI_TEXMGR_DO_TEXTURE_1D
+			  | DRI_TEXMGR_DO_TEXTURE_2D );
+}