X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fcontext.c;h=b882f337fda3237049d11ae3128eb9bd66ecd703;hb=02c03ef6b4762adf33b73528c9fd672ef4697763;hp=a1975bd00cab2e3485a049334df8e0837ad6a67e;hpb=d09a1d8b29ae5841ae39b5c24c3f4693dd750559;p=mesa.git

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index a1975bd00ca..b882f337fda 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1,4 +1,4 @@
-/* $Id: context.c,v 1.166 2002/06/13 04:49:17 brianp Exp $ */
+/* $Id: context.c,v 1.172 2002/06/18 16:53:46 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -49,6 +49,7 @@
 #include "state.h"
 #include "teximage.h"
 #include "texobj.h"
+#include "texstate.h"
 #include "mtypes.h"
 #include "varray.h"
 #include "vpstate.h"
@@ -232,12 +233,13 @@ __glCoreCreateContext(__GLimports *imports, __GLcontextModes *modes)
 {
     GLcontext *ctx;
 
-    ctx = (GLcontext *) (*imports->calloc)(0, 1, sizeof(GLcontext));
+    ctx = (GLcontext *) (*imports->calloc)(NULL, 1, sizeof(GLcontext));
     if (ctx == NULL) {
 	return NULL;
     }
     ctx->Driver.CurrentExecPrimitive=0;  /* XXX why is this here??? */
     ctx->imports = *imports;
+    _mesa_init_default_exports(&(ctx->exports));
 
     _mesa_initialize_visual(&ctx->Visual,
                             modes->rgbMode,
@@ -460,6 +462,8 @@ _mesa_initialize_framebuffer( GLframebuffer *buffer,
    assert(buffer);
    assert(visual);
 
+   BZERO(buffer, sizeof(GLframebuffer));
+
    /* sanity checks */
    if (softwareDepth ) {
       assert(visual->depthBits > 0);
@@ -552,7 +556,7 @@ _glthread_DECLARE_STATIC_MUTEX(OneTimeLock);
  * This function just calls all the various one-time-init functions in Mesa.
  */
 static void
-one_time_init( void )
+one_time_init( GLcontext *ctx )
 {
    static GLboolean alreadyCalled = GL_FALSE;
    _glthread_LOCK_MUTEX(OneTimeLock);
@@ -573,7 +577,7 @@ one_time_init( void )
 #ifdef USE_SPARC_ASM
       _mesa_init_sparc_glapi_relocs();
 #endif
-      if (getenv("MESA_DEBUG")) {
+      if (ctx->imports.getenv(ctx, "MESA_DEBUG")) {
          _glapi_noop_enable_warnings(GL_TRUE);
       }
       else {
@@ -581,7 +585,7 @@ one_time_init( void )
       }
 
 #if defined(DEBUG) && defined(__DATE__) && defined(__TIME__)
-   fprintf(stderr, "Mesa DEBUG build %s %s\n", __DATE__, __TIME__);
+      fprintf(stderr, "Mesa DEBUG build %s %s\n", __DATE__, __TIME__);
 #endif
 
       alreadyCalled = GL_TRUE;
@@ -643,26 +647,33 @@ alloc_shared_state( void )
    /* Default Texture objects */
    outOfMemory = GL_FALSE;
 
-   ss->Default1D = _mesa_alloc_texture_object(ss, 0, 1);
+   ss->Default1D = _mesa_alloc_texture_object(ss, 0, GL_TEXTURE_1D);
    if (!ss->Default1D) {
       outOfMemory = GL_TRUE;
    }
 
-   ss->Default2D = _mesa_alloc_texture_object(ss, 0, 2);
+   ss->Default2D = _mesa_alloc_texture_object(ss, 0, GL_TEXTURE_2D);
    if (!ss->Default2D) {
       outOfMemory = GL_TRUE;
    }
 
-   ss->Default3D = _mesa_alloc_texture_object(ss, 0, 3);
+   ss->Default3D = _mesa_alloc_texture_object(ss, 0, GL_TEXTURE_3D);
    if (!ss->Default3D) {
       outOfMemory = GL_TRUE;
    }
 
-   ss->DefaultCubeMap = _mesa_alloc_texture_object(ss, 0, 6);
+   ss->DefaultCubeMap = _mesa_alloc_texture_object(ss, 0,
+                                                   GL_TEXTURE_CUBE_MAP_ARB);
    if (!ss->DefaultCubeMap) {
       outOfMemory = GL_TRUE;
    }
 
+   ss->DefaultRect = _mesa_alloc_texture_object(ss, 0,
+                                                GL_TEXTURE_RECTANGLE_NV);
+   if (!ss->DefaultRect) {
+      outOfMemory = GL_TRUE;
+   }
+
    if (!ss->DisplayList || !ss->TexObjects || !ss->VertexPrograms
        || outOfMemory) {
       /* Ran out of memory at some point.  Free everything and return NULL */
@@ -680,6 +691,8 @@ alloc_shared_state( void )
          _mesa_free_texture_object(ss, ss->Default3D);
       if (ss->DefaultCubeMap)
          _mesa_free_texture_object(ss, ss->DefaultCubeMap);
+      if (ss->DefaultRect)
+         _mesa_free_texture_object(ss, ss->DefaultRect);
       FREE(ss);
       return NULL;
    }
@@ -838,6 +851,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
    texUnit->Current2D = ctx->Shared->Default2D;
    texUnit->Current3D = ctx->Shared->Default3D;
    texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
+   texUnit->CurrentRect = ctx->Shared->DefaultRect;
 }
 
 
@@ -895,6 +909,7 @@ init_attrib_groups( GLcontext *ctx )
    ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
    ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS;
    ctx->Const.MaxCubeTextureLevels = MAX_CUBE_TEXTURE_LEVELS;
+   ctx->Const.MaxTextureRectSize = MAX_TEXTURE_RECT_SIZE;
    ctx->Const.MaxTextureUnits = MAX_TEXTURE_UNITS;
    ctx->Const.MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY;
    ctx->Const.MaxTextureLodBias = MAX_TEXTURE_LOD_BIAS;
@@ -1284,7 +1299,8 @@ init_attrib_groups( GLcontext *ctx )
 
    /* Texture group */
    ctx->Texture.CurrentUnit = 0;      /* multitexture */
-   ctx->Texture._ReallyEnabled = 0;
+   ctx->Texture._ReallyEnabled = 0;   /* XXX obsolete */
+   ctx->Texture._EnabledUnits = 0;
    for (i=0; i<MAX_TEXTURE_UNITS; i++)
       init_texture_unit( ctx, i );
    ctx->Texture.SharedPalette = GL_FALSE;
@@ -1430,11 +1446,12 @@ init_attrib_groups( GLcontext *ctx )
    _mesa_init_colortable(&ctx->ProxyPostColorMatrixColorTable);
 
    /* GL_NV_vertex_program */
-   ctx->VertexProgram.Current = NULL;
-   ctx->VertexProgram.CurrentID = 0;
    ctx->VertexProgram.Enabled = GL_FALSE;
    ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
    ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
+   ctx->VertexProgram.CurrentID = 0;
+   ctx->VertexProgram.ErrorPos = -1;
+   ctx->VertexProgram.Current = NULL;
    for (i = 0; i < VP_NUM_PROG_REGS / 4; i++) {
       ctx->VertexProgram.TrackMatrix[i] = GL_NONE;
       ctx->VertexProgram.TrackMatrixTransform[i] = GL_IDENTITY_NV;
@@ -1456,13 +1473,13 @@ init_attrib_groups( GLcontext *ctx )
    ctx->OcclusionResultSaved = GL_FALSE;
 
    /* For debug/development only */
-   ctx->NoRaster = getenv("MESA_NO_RASTER") ? GL_TRUE : GL_FALSE;
+   ctx->NoRaster = ctx->imports.getenv(ctx, "MESA_NO_RASTER") ? GL_TRUE : GL_FALSE;
    ctx->FirstTimeCurrent = GL_TRUE;
 
    /* Dither disable */
-   ctx->NoDither = getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
+   ctx->NoDither = ctx->imports.getenv(ctx, "MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
    if (ctx->NoDither) {
-      if (getenv("MESA_DEBUG")) {
+      if (ctx->imports.getenv(ctx, "MESA_DEBUG")) {
          fprintf(stderr, "MESA_NO_DITHER set - dithering disabled\n");
       }
       ctx->Color.DitherFlag = GL_FALSE;
@@ -1483,25 +1500,26 @@ alloc_proxy_textures( GLcontext *ctx )
    GLboolean out_of_memory;
    GLint i;
 
-   ctx->Texture.Proxy1D = _mesa_alloc_texture_object(NULL, 0, 1);
+   ctx->Texture.Proxy1D = _mesa_alloc_texture_object(NULL, 0, GL_TEXTURE_1D);
    if (!ctx->Texture.Proxy1D) {
       return GL_FALSE;
    }
 
-   ctx->Texture.Proxy2D = _mesa_alloc_texture_object(NULL, 0, 2);
+   ctx->Texture.Proxy2D = _mesa_alloc_texture_object(NULL, 0, GL_TEXTURE_2D);
    if (!ctx->Texture.Proxy2D) {
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy1D);
       return GL_FALSE;
    }
 
-   ctx->Texture.Proxy3D = _mesa_alloc_texture_object(NULL, 0, 3);
+   ctx->Texture.Proxy3D = _mesa_alloc_texture_object(NULL, 0, GL_TEXTURE_3D);
    if (!ctx->Texture.Proxy3D) {
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy1D);
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy2D);
       return GL_FALSE;
    }
 
-   ctx->Texture.ProxyCubeMap = _mesa_alloc_texture_object(NULL, 0, 6);
+   ctx->Texture.ProxyCubeMap = _mesa_alloc_texture_object(NULL, 0,
+                                                     GL_TEXTURE_CUBE_MAP_ARB);
    if (!ctx->Texture.ProxyCubeMap) {
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy1D);
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy2D);
@@ -1509,6 +1527,16 @@ alloc_proxy_textures( GLcontext *ctx )
       return GL_FALSE;
    }
 
+   ctx->Texture.ProxyRect = _mesa_alloc_texture_object(NULL, 0,
+                                                      GL_TEXTURE_RECTANGLE_NV);
+   if (!ctx->Texture.ProxyRect) {
+      _mesa_free_texture_object(NULL, ctx->Texture.Proxy1D);
+      _mesa_free_texture_object(NULL, ctx->Texture.Proxy2D);
+      _mesa_free_texture_object(NULL, ctx->Texture.Proxy3D);
+      _mesa_free_texture_object(NULL, ctx->Texture.ProxyCubeMap);
+      return GL_FALSE;
+   }
+
    out_of_memory = GL_FALSE;
    for (i=0;i<MAX_TEXTURE_LEVELS;i++) {
       ctx->Texture.Proxy1D->Image[i] = _mesa_alloc_texture_image();
@@ -1522,6 +1550,10 @@ alloc_proxy_textures( GLcontext *ctx )
          out_of_memory = GL_TRUE;
       }
    }
+   ctx->Texture.ProxyRect->Image[0] = _mesa_alloc_texture_image();
+   if (!ctx->Texture.ProxyRect->Image[0])
+      out_of_memory = GL_TRUE;
+
    if (out_of_memory) {
       for (i=0;i<MAX_TEXTURE_LEVELS;i++) {
          if (ctx->Texture.Proxy1D->Image[i]) {
@@ -1537,10 +1569,14 @@ alloc_proxy_textures( GLcontext *ctx )
             _mesa_free_texture_image(ctx->Texture.ProxyCubeMap->Image[i]);
          }
       }
+      if (ctx->Texture.ProxyRect->Image[0]) {
+         _mesa_free_texture_image(ctx->Texture.ProxyRect->Image[0]);
+      }
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy1D);
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy2D);
       _mesa_free_texture_object(NULL, ctx->Texture.Proxy3D);
       _mesa_free_texture_object(NULL, ctx->Texture.ProxyCubeMap);
+      _mesa_free_texture_object(NULL, ctx->Texture.ProxyRect);
       return GL_FALSE;
    }
    else {
@@ -1602,11 +1638,14 @@ _mesa_initialize_context( GLcontext *ctx,
    ASSERT(imports);
    ASSERT(imports->other); /* other points to the device driver's context */
 
-   /* misc one-time initializations */
-   one_time_init();
+   /* assing imports */
+   ctx->imports = *imports;
 
    /* initialize the exports (Mesa functions called by the window system) */
-    _mesa_init_default_exports( &(ctx->exports) );
+   _mesa_init_default_exports( &(ctx->exports) );
+
+   /* misc one-time initializations */
+   one_time_init(ctx);
 
 #if 0
    /**
@@ -1643,6 +1682,7 @@ _mesa_initialize_context( GLcontext *ctx,
    ctx->Shared->Default2D->RefCount += MAX_TEXTURE_UNITS;
    ctx->Shared->Default3D->RefCount += MAX_TEXTURE_UNITS;
    ctx->Shared->DefaultCubeMap->RefCount += MAX_TEXTURE_UNITS;
+   ctx->Shared->DefaultRect->RefCount += MAX_TEXTURE_UNITS;
 
    init_attrib_groups( ctx );
 
@@ -1756,11 +1796,11 @@ _mesa_initialize_context( GLcontext *ctx,
 #endif
 
 
-   if (getenv("MESA_DEBUG"))
-      add_debug_flags(getenv("MESA_DEBUG"));
+   if (ctx->imports.getenv(ctx, "MESA_DEBUG"))
+      add_debug_flags(ctx->imports.getenv(ctx, "MESA_DEBUG"));
 
-   if (getenv("MESA_VERBOSE"))
-      add_debug_flags(getenv("MESA_VERBOSE"));
+   if (ctx->imports.getenv(ctx, "MESA_VERBOSE"))
+      add_debug_flags(ctx->imports.getenv(ctx, "MESA_VERBOSE"));
 
    return GL_TRUE;
 }
@@ -1779,16 +1819,23 @@ _mesa_create_context( const GLvisual *visual,
                       GLcontext *share_list,
                       const __GLimports *imports )
 {
-   GLcontext *ctx = (GLcontext *) CALLOC( sizeof(GLcontext) );
-   if (!ctx) {
+   GLcontext *ctx;
+
+   ASSERT(visual);
+   ASSERT(imports);
+   ASSERT(imports->calloc);
+
+   ctx = (GLcontext *) imports->calloc(NULL, 1, sizeof(GLcontext));
+   if (!ctx)
       return NULL;
-   }
+
    ctx->Driver.CurrentExecPrimitive = 0;  /* XXX why is this here??? */
+
    if (_mesa_initialize_context(ctx, visual, share_list, imports)) {
       return ctx;
    }
    else {
-      FREE(ctx);
+      imports->free(NULL, ctx);
       return NULL;
    }
 }
@@ -1851,6 +1898,7 @@ _mesa_free_context_data( GLcontext *ctx )
    _mesa_free_texture_object( NULL, ctx->Texture.Proxy2D );
    _mesa_free_texture_object( NULL, ctx->Texture.Proxy3D );
    _mesa_free_texture_object( NULL, ctx->Texture.ProxyCubeMap );
+   _mesa_free_texture_object( NULL, ctx->Texture.ProxyRect );
 
    /* Free evaluator data */
    if (ctx->EvalMap.Map1Vertex3.Points)
@@ -1934,72 +1982,104 @@ void
 _mesa_copy_context( const GLcontext *src, GLcontext *dst, GLuint mask )
 {
    if (mask & GL_ACCUM_BUFFER_BIT) {
-      MEMCPY( &dst->Accum, &src->Accum, sizeof(struct gl_accum_attrib) );
+      /* OK to memcpy */
+      dst->Accum = src->Accum;
    }
    if (mask & GL_COLOR_BUFFER_BIT) {
-      MEMCPY( &dst->Color, &src->Color, sizeof(struct gl_colorbuffer_attrib) );
+      /* OK to memcpy */
+      dst->Color = src->Color;
    }
    if (mask & GL_CURRENT_BIT) {
-      MEMCPY( &dst->Current, &src->Current, sizeof(struct gl_current_attrib) );
+      /* OK to memcpy */
+      dst->Current = src->Current;
    }
    if (mask & GL_DEPTH_BUFFER_BIT) {
-      MEMCPY( &dst->Depth, &src->Depth, sizeof(struct gl_depthbuffer_attrib) );
+      /* OK to memcpy */
+      dst->Depth = src->Depth;
    }
    if (mask & GL_ENABLE_BIT) {
       /* no op */
    }
    if (mask & GL_EVAL_BIT) {
-      MEMCPY( &dst->Eval, &src->Eval, sizeof(struct gl_eval_attrib) );
+      /* OK to memcpy */
+      dst->Eval = src->Eval;
    }
    if (mask & GL_FOG_BIT) {
-      MEMCPY( &dst->Fog, &src->Fog, sizeof(struct gl_fog_attrib) );
+      /* OK to memcpy */
+      dst->Fog = src->Fog;
    }
    if (mask & GL_HINT_BIT) {
-      MEMCPY( &dst->Hint, &src->Hint, sizeof(struct gl_hint_attrib) );
+      /* OK to memcpy */
+      dst->Hint = src->Hint;
    }
    if (mask & GL_LIGHTING_BIT) {
-      MEMCPY( &dst->Light, &src->Light, sizeof(struct gl_light_attrib) );
-      /*       gl_reinit_light_attrib( &dst->Light ); */
+      GLuint i;
+      /* begin with memcpy */
+      MEMCPY( &dst->Light, &src->Light, sizeof(struct gl_light) );
+      /* fixup linked lists to prevent pointer insanity */
+      make_empty_list( &(dst->Light.EnabledList) );
+      for (i = 0; i < MAX_LIGHTS; i++) {
+         if (dst->Light.Light[i].Enabled) {
+            insert_at_tail(&(dst->Light.EnabledList), &(dst->Light.Light[i]));
+         }
+      }
    }
    if (mask & GL_LINE_BIT) {
-      MEMCPY( &dst->Line, &src->Line, sizeof(struct gl_line_attrib) );
+      /* OK to memcpy */
+      dst->Line = src->Line;
    }
    if (mask & GL_LIST_BIT) {
-      MEMCPY( &dst->List, &src->List, sizeof(struct gl_list_attrib) );
+      /* OK to memcpy */
+      dst->List = src->List;
    }
    if (mask & GL_PIXEL_MODE_BIT) {
-      MEMCPY( &dst->Pixel, &src->Pixel, sizeof(struct gl_pixel_attrib) );
+      /* OK to memcpy */
+      dst->Pixel = src->Pixel;
    }
    if (mask & GL_POINT_BIT) {
-      MEMCPY( &dst->Point, &src->Point, sizeof(struct gl_point_attrib) );
+      /* OK to memcpy */
+      dst->Point = src->Point;
    }
    if (mask & GL_POLYGON_BIT) {
-      MEMCPY( &dst->Polygon, &src->Polygon, sizeof(struct gl_polygon_attrib) );
+      /* OK to memcpy */
+      dst->Polygon = src->Polygon;
    }
    if (mask & GL_POLYGON_STIPPLE_BIT) {
       /* Use loop instead of MEMCPY due to problem with Portland Group's
        * C compiler.  Reported by John Stone.
        */
-      int i;
-      for (i=0;i<32;i++) {
+      GLuint i;
+      for (i = 0; i < 32; i++) {
          dst->PolygonStipple[i] = src->PolygonStipple[i];
       }
    }
    if (mask & GL_SCISSOR_BIT) {
-      MEMCPY( &dst->Scissor, &src->Scissor, sizeof(struct gl_scissor_attrib) );
+      /* OK to memcpy */
+      dst->Scissor = src->Scissor;
    }
    if (mask & GL_STENCIL_BUFFER_BIT) {
-      MEMCPY( &dst->Stencil, &src->Stencil, sizeof(struct gl_stencil_attrib) );
+      /* OK to memcpy */
+      dst->Stencil = src->Stencil;
    }
    if (mask & GL_TEXTURE_BIT) {
-      MEMCPY( &dst->Texture, &src->Texture, sizeof(struct gl_texture_attrib) );
+      /* Cannot memcpy because of pointers */
+      _mesa_copy_texture_state(src, dst);
    }
    if (mask & GL_TRANSFORM_BIT) {
-      MEMCPY( &dst->Transform, &src->Transform, sizeof(struct gl_transform_attrib) );
+      /* OK to memcpy */
+      dst->Transform = src->Transform;
    }
    if (mask & GL_VIEWPORT_BIT) {
-      MEMCPY( &dst->Viewport, &src->Viewport, sizeof(struct gl_viewport_attrib) );
+      /* Cannot use memcpy, because of pointers in GLmatrix _WindowMap */
+      dst->Viewport.X = src->Viewport.X;
+      dst->Viewport.Y = src->Viewport.Y;
+      dst->Viewport.Width = src->Viewport.Width;
+      dst->Viewport.Height = src->Viewport.Height;
+      dst->Viewport.Near = src->Viewport.Near;
+      dst->Viewport.Far = src->Viewport.Far;
+      _math_matrix_copy(&dst->Viewport._WindowMap, &src->Viewport._WindowMap);
    }
+
    /* XXX FIXME:  Call callbacks?
     */
    dst->NewState = _NEW_ALL;
@@ -2054,7 +2134,7 @@ _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer,
                      GLframebuffer *readBuffer )
 {
    if (MESA_VERBOSE)
-      fprintf(stderr, "_mesa_make_current2()\n");
+      _mesa_debug(newCtx, "_mesa_make_current2()\n");
 
    /* Check that the context's and framebuffer's visuals are compatible.
     * We could do a lot more checking here but this'll catch obvious
@@ -2090,9 +2170,42 @@ _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer,
 	 newCtx->DrawBuffer = drawBuffer;
 	 newCtx->ReadBuffer = readBuffer;
 	 newCtx->NewState |= _NEW_BUFFERS;
-	 /* _mesa_update_state( newCtx ); */
+
+         if (drawBuffer->Width == 0 && drawBuffer->Height == 0) {
+            /* get initial window size */
+            GLuint bufWidth, bufHeight;
+
+            /* ask device driver for size of output buffer */
+            (*newCtx->Driver.GetBufferSize)( drawBuffer, &bufWidth, &bufHeight );
+
+            if (drawBuffer->Width == bufWidth && drawBuffer->Height == bufHeight)
+               return; /* size is as expected */
+
+            drawBuffer->Width = bufWidth;
+            drawBuffer->Height = bufHeight;
+
+            newCtx->Driver.ResizeBuffers( drawBuffer );
+         }
+
+         if (readBuffer != drawBuffer &&
+             readBuffer->Width == 0 && readBuffer->Height == 0) {
+            /* get initial window size */
+            GLuint bufWidth, bufHeight;
+
+            /* ask device driver for size of output buffer */
+            (*newCtx->Driver.GetBufferSize)( readBuffer, &bufWidth, &bufHeight );
+
+            if (readBuffer->Width == bufWidth && readBuffer->Height == bufHeight)
+               return; /* size is as expected */
+
+            readBuffer->Width = bufWidth;
+            readBuffer->Height = bufHeight;
+
+            newCtx->Driver.ResizeBuffers( readBuffer );
+         }
       }
 
+      /* This is only for T&L - a bit out of place, or misnamed (BP) */
       if (newCtx->Driver.MakeCurrent)
 	 newCtx->Driver.MakeCurrent( newCtx, drawBuffer, readBuffer );
 
@@ -2102,7 +2215,7 @@ _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer,
        * information.
        */
       if (newCtx->FirstTimeCurrent) {
-	 if (getenv("MESA_INFO")) {
+	 if (newCtx->imports.getenv(newCtx, "MESA_INFO")) {
 	    print_info();
 	 }
 	 newCtx->FirstTimeCurrent = GL_FALSE;
@@ -2162,13 +2275,23 @@ _mesa_get_dispatch(GLcontext *ctx)
  */
 void _mesa_problem( const GLcontext *ctx, const char *s )
 {
-   fprintf( stderr, "Mesa implementation error: %s\n", s );
+   if (ctx) {
+      ctx->imports.fprintf((GLcontext *) ctx, stderr, "Mesa implementation error: %s\n", s);
+#ifdef XF86DRI
+      ctx->imports.fprintf((GLcontext *) ctx, stderr, "Please report to the DRI bug database at dri.sourceforge.net\n");
+#else
+      ctx->imports.fprintf((GLcontext *) ctx, stderr, "Please report to the Mesa bug database at www.mesa3d.org\n" );
+#endif
+   }
+   else {
+      /* what can we do if we don't have a context???? */
+      fprintf( stderr, "Mesa implementation error: %s\n", s );
 #ifdef XF86DRI
-   fprintf( stderr, "Please report to the DRI bug database at dri.sourceforge.net\n");
+      fprintf( stderr, "Please report to the DRI bug database at dri.sourceforge.net\n");
 #else
-   fprintf( stderr, "Please report to the Mesa bug database at www.mesa3d.org\n" );
+      fprintf( stderr, "Please report to the Mesa bug database at www.mesa3d.org\n" );
 #endif
-   (void) ctx;
+   }
 }
 
 
@@ -2198,9 +2321,15 @@ _mesa_warning( const GLcontext *ctx, const char *s )
 void
 _mesa_error( GLcontext *ctx, GLenum error, const char *where )
 {
-   const char *debugEnv = getenv("MESA_DEBUG");
+   const char *debugEnv;
    GLboolean debug;
 
+   if (ctx)
+      debugEnv = ctx->imports.getenv(ctx, "MESA_DEBUG");
+   else
+      /* what can we do??? */
+      debugEnv = "";
+
 #ifdef DEBUG
    if (debugEnv && strstr(debugEnv, "silent"))
       debug = GL_FALSE;
@@ -2262,20 +2391,32 @@ _mesa_error( GLcontext *ctx, GLenum error, const char *where )
 
 
 /*
- * Call this to report debug information.
+ * Call this to report debug information.  Uses stderr.
  */
 void
-_mesa_debug( const char *fmtString, ... )
+_mesa_debug( const GLcontext *ctx, const char *fmtString, ... )
 {
-#ifdef DEBUG
    va_list args;
    va_start( args, fmtString );  
-   (void) vfprintf( stderr, fmtString, args );
+   (void) ctx->imports.fprintf( (__GLcontext *) ctx, stderr, fmtString, args );
+   va_end( args );
+}
+
+
+/*
+ * A wrapper for printf.  Uses stdout.
+ */
+void
+_mesa_printf( const GLcontext *ctx, const char *fmtString, ... )
+{
+   va_list args;
+   va_start( args, fmtString );  
+   (void) ctx->imports.fprintf( (__GLcontext *) ctx, stdout, fmtString, args );
    va_end( args );
-#endif
 }
 
 
+
 void
 _mesa_Finish( void )
 {