10 files changed, 266 insertions, 47 deletions

diff --git a/mesalib/src/mesa/swrast/s_context.c b/mesalib/src/mesa/swrast/s_context.c
index 5287671d7..9112cf30d 100644
--- a/mesalib/src/mesa/swrast/s_context.c
+++ b/mesalib/src/mesa/swrast/s_context.c
@@ -747,6 +747,12 @@ _swrast_CreateContext( struct gl_context *ctx )
    swrast->AllowVertexFog = GL_TRUE;
    swrast->AllowPixelFog = GL_TRUE;
 
+   swrast->Driver.SpanRenderStart = _swrast_span_render_start;
+   swrast->Driver.SpanRenderFinish = _swrast_span_render_finish;
+
+   ctx->Driver.MapTexture = _swrast_map_texture;
+   ctx->Driver.UnmapTexture = _swrast_unmap_texture;
+
    /* Optimized Accum buffer */
    swrast->_IntegerAccumMode = GL_FALSE;
    swrast->_IntegerAccumScaler = 0.0;
@@ -837,6 +843,24 @@ _swrast_render_primitive( struct gl_context *ctx, GLenum prim )
 }
 
 
+/** called via swrast->Driver.SpanRenderStart() */
+void
+_swrast_span_render_start(struct gl_context *ctx)
+{
+   _swrast_map_textures(ctx);
+   _swrast_map_renderbuffers(ctx);
+}
+
+
+/** called via swrast->Driver.SpanRenderFinish() */
+void
+_swrast_span_render_finish(struct gl_context *ctx)
+{
+   _swrast_unmap_textures(ctx);
+   _swrast_unmap_renderbuffers(ctx);
+}
+
+
 void
 _swrast_render_start( struct gl_context *ctx )
 {
diff --git a/mesalib/src/mesa/swrast/s_context.h b/mesalib/src/mesa/swrast/s_context.h
index ec8451eb8..d3ba37819 100644
--- a/mesalib/src/mesa/swrast/s_context.h
+++ b/mesalib/src/mesa/swrast/s_context.h
@@ -138,20 +138,17 @@ struct swrast_texture_image
    /** used for mipmap LOD computation */
    GLfloat WidthScale, HeightScale, DepthScale;
 
-#if 0
-   GLubyte *Data;    /**< The actual texture data in malloc'd memory */
+   /** These fields only valid when texture memory is mapped */
+   GLint RowStride;		/**< Padded width in units of texels */
+   GLuint *ImageOffsets;        /**< if 3D texture: array [Depth] of offsets to
+                                     each 2D slice in 'Data', in texels */
+   GLubyte *Data;		/**< Image data, accessed via FetchTexel() */
 
-   GLint TexelSize;  /**< bytes per texel block */
-#endif
+   /** Malloc'd texture memory */
+   GLubyte *Buffer;
 
    FetchTexelFunc FetchTexel;
    StoreTexelFunc Store;
-
-#if 0
-   /** These fields only valid when texture memory is mapped */
-   GLubyte **SliceMaps;  /**< points to OneMap or a malloc'd array */
-   GLint RowStride;  /**< bytes per row of blocks */
-#endif
 };
 
 
@@ -339,6 +336,31 @@ swrast_render_finish(struct gl_context *ctx)
 }
 
 
+extern void
+_swrast_span_render_start(struct gl_context *ctx);
+
+extern void
+_swrast_span_render_finish(struct gl_context *ctx);
+
+extern void
+_swrast_map_textures(struct gl_context *ctx);
+
+extern void
+_swrast_unmap_textures(struct gl_context *ctx);
+
+extern void
+_swrast_map_texture(struct gl_context *ctx, struct gl_texture_object *texObj);
+
+extern void
+_swrast_unmap_texture(struct gl_context *ctx, struct gl_texture_object *texObj);
+
+
+extern void
+_swrast_map_renderbuffers(struct gl_context *ctx);
+
+extern void
+_swrast_unmap_renderbuffers(struct gl_context *ctx);
+
 
 /**
  * Size of an RGBA pixel, in bytes, for given datatype.
diff --git a/mesalib/src/mesa/swrast/s_fragprog.c b/mesalib/src/mesa/swrast/s_fragprog.c
index 7f205a200..1caa0ebc2 100644
--- a/mesalib/src/mesa/swrast/s_fragprog.c
+++ b/mesalib/src/mesa/swrast/s_fragprog.c
@@ -237,7 +237,8 @@ run_program(struct gl_context *ctx, SWspan *span, GLuint start, GLuint end)
                else if (depth >= 1.0)
                   span->array->z[i] = ctx->DrawBuffer->_DepthMax;
                else
-                  span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF);
+                  span->array->z[i] =
+                     (GLuint) (depth * ctx->DrawBuffer->_DepthMaxF + 0.5F);
             }
          }
          else {
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c
index e517c9ae1..4124e444e 100644
--- a/mesalib/src/mesa/swrast/s_span.c
+++ b/mesalib/src/mesa/swrast/s_span.c
@@ -1251,7 +1251,10 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span)
                       4 * span->end * sizeof(GLchan));
             }
 
-            ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB ||
+            ASSERT(rb->_BaseFormat == GL_RGBA ||
+                   rb->_BaseFormat == GL_RGB ||
+                   rb->_BaseFormat == GL_RED ||
+                   rb->_BaseFormat == GL_RG ||
 		   rb->_BaseFormat == GL_ALPHA);
 
             if (ctx->Color.ColorLogicOpEnabled) {
diff --git a/mesalib/src/mesa/swrast/s_texcombine.c b/mesalib/src/mesa/swrast/s_texcombine.c
index c67c356c1..a7cbb4424 100644
--- a/mesalib/src/mesa/swrast/s_texcombine.c
+++ b/mesalib/src/mesa/swrast/s_texcombine.c
@@ -108,6 +108,7 @@ texture_combine( struct gl_context *ctx, GLuint unit, GLuint n,
             i--;
          }
          _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture_combine");
+         free(rgba);
          return;
       }
    }
diff --git a/mesalib/src/mesa/swrast/s_texfetch_tmp.h b/mesalib/src/mesa/swrast/s_texfetch_tmp.h
index c63b2043c..8b7e930f9 100644
--- a/mesalib/src/mesa/swrast/s_texfetch_tmp.h
+++ b/mesalib/src/mesa/swrast/s_texfetch_tmp.h
@@ -43,7 +43,7 @@
 #if DIM == 1
 
 #define TEXEL_ADDR( type, image, i, j, k, size ) \
-	((void) (j), (void) (k), ((type *)(image)->Base.Data + (i) * (size)))
+	((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size)))
 
 #define FETCH(x) fetch_texel_1d_##x
 
@@ -51,15 +51,15 @@
 
 #define TEXEL_ADDR( type, image, i, j, k, size )			\
 	((void) (k),							\
-	 ((type *)(image)->Base.Data + ((image)->Base.RowStride * (j) + (i)) * (size)))
+	 ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size)))
 
 #define FETCH(x) fetch_texel_2d_##x
 
 #elif DIM == 3
 
 #define TEXEL_ADDR( type, image, i, j, k, size )			\
-	((type *)(image)->Base.Data + ((image)->Base.ImageOffsets[k]		\
-             + (image)->Base.RowStride * (j) + (i)) * (size))
+	((type *)(image)->Data + ((image)->ImageOffsets[k]		\
+             + (image)->RowStride * (j) + (i)) * (size))
 
 #define FETCH(x) fetch_texel_3d_##x
 
diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c
index f8b0fa1aa..9de5c0276 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.c
+++ b/mesalib/src/mesa/swrast/s_texfilter.c
@@ -1375,7 +1375,7 @@ opt_sample_rgb_2d(struct gl_context *ctx,
       GLint i = IFLOOR(texcoords[k][0] * width) & colMask;
       GLint j = IFLOOR(texcoords[k][1] * height) & rowMask;
       GLint pos = (j << shift) | i;
-      GLubyte *texel = ((GLubyte *) img->Data) + 3*pos;
+      GLubyte *texel = swImg->Data + 3 * pos;
       rgba[k][RCOMP] = UBYTE_TO_FLOAT(texel[2]);
       rgba[k][GCOMP] = UBYTE_TO_FLOAT(texel[1]);
       rgba[k][BCOMP] = UBYTE_TO_FLOAT(texel[0]);
@@ -1419,7 +1419,7 @@ opt_sample_rgba_2d(struct gl_context *ctx,
       const GLint col = IFLOOR(texcoords[i][0] * width) & colMask;
       const GLint row = IFLOOR(texcoords[i][1] * height) & rowMask;
       const GLint pos = (row << shift) | col;
-      const GLuint texel = *((GLuint *) img->Data + pos);
+      const GLuint texel = *((GLuint *) swImg->Data + pos);
       rgba[i][RCOMP] = UBYTE_TO_FLOAT( (texel >> 24)        );
       rgba[i][GCOMP] = UBYTE_TO_FLOAT( (texel >> 16) & 0xff );
       rgba[i][BCOMP] = UBYTE_TO_FLOAT( (texel >>  8) & 0xff );
@@ -1442,7 +1442,7 @@ sample_lambda_2d(struct gl_context *ctx,
 
    const GLboolean repeatNoBorderPOT = (tObj->Sampler.WrapS == GL_REPEAT)
       && (tObj->Sampler.WrapT == GL_REPEAT)
-      && (tImg->Border == 0 && (tImg->Width == tImg->RowStride))
+      && (tImg->Border == 0 && (tImg->Width == swImg->RowStride))
       && swImg->_IsPowerOfTwo;
 
    ASSERT(lambda != NULL);
diff --git a/mesalib/src/mesa/swrast/s_texrender.c b/mesalib/src/mesa/swrast/s_texrender.c
index 47e458e1c..e2b921512 100644
--- a/mesalib/src/mesa/swrast/s_texrender.c
+++ b/mesalib/src/mesa/swrast/s_texrender.c
@@ -31,6 +31,15 @@ struct texture_renderbuffer
 };
 
 
+/** cast wrapper */
+static inline struct texture_renderbuffer *
+texture_renderbuffer(struct gl_renderbuffer *rb)
+{
+   return (struct texture_renderbuffer *) rb;
+}
+
+
+
 /**
  * Get row of values from the renderbuffer that wraps a texture image.
  */
@@ -38,8 +47,7 @@ static void
 texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
                 GLint x, GLint y, void *values)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -107,8 +115,7 @@ static void
 texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
                    const GLint x[], const GLint y[], void *values)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -174,8 +181,7 @@ static void
 texture_put_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
                 GLint x, GLint y, const void *values, const GLubyte *mask)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -236,8 +242,7 @@ static void
 texture_put_row_rgb(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
                 GLint x, GLint y, const void *values, const GLubyte *mask)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -296,8 +301,7 @@ static void
 texture_put_mono_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
                      GLint x, GLint y, const void *value, const GLubyte *mask)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -356,8 +360,7 @@ texture_put_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
                    const GLint x[], const GLint y[], const void *values,
                    const GLubyte *mask)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -415,8 +418,7 @@ texture_put_mono_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
                         GLuint count, const GLint x[], const GLint y[],
                         const void *value, const GLubyte *mask)
 {
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
+   struct texture_renderbuffer *trb = texture_renderbuffer(rb);
    const GLint z = trb->Zoffset;
    GLuint i;
 
@@ -610,7 +612,6 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
       trb->Base.DataType = CHAN_TYPE;
       trb->Base._BaseFormat = GL_RGBA;
    }
-   trb->Base.Data = trb->TexImage->Base.Data;
 }
 
 
diff --git a/mesalib/src/mesa/swrast/s_texture.c b/mesalib/src/mesa/swrast/s_texture.c
index 36b429cfa..fb1edb318 100644
--- a/mesalib/src/mesa/swrast/s_texture.c
+++ b/mesalib/src/mesa/swrast/s_texture.c
@@ -69,14 +69,32 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx,
 {
    struct swrast_texture_image *swImg = swrast_texture_image(texImage);
    GLuint bytes = _mesa_format_image_size(format, width, height, depth);
+   GLuint i;
 
    /* This _should_ be true (revisit if these ever fail) */
    assert(texImage->Width == width);
    assert(texImage->Height == height);
    assert(texImage->Depth == depth);
 
-   assert(!texImage->Data);
-   texImage->Data = _mesa_align_malloc(bytes, 512);
+   assert(!swImg->Buffer);
+   swImg->Buffer = _mesa_align_malloc(bytes, 512);
+   if (!swImg->Buffer)
+      return GL_FALSE;
+
+   /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
+   swImg->RowStride = width;
+
+   /* Allocate the ImageOffsets array and initialize to typical values.
+    * We allocate the array for 1D/2D textures too in order to avoid special-
+    * case code in the texstore routines.
+    */
+   swImg->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
+   if (!swImg->ImageOffsets)
+      return GL_FALSE;
+
+   for (i = 0; i < depth; i++) {
+      swImg->ImageOffsets[i] = i * width * height;
+   }
 
    if ((width == 1 || _mesa_is_pow_two(texImage->Width2)) &&
        (height == 1 || _mesa_is_pow_two(texImage->Height2)) &&
@@ -98,7 +116,7 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx,
       swImg->DepthScale = (GLfloat) texImage->Depth;
    }
 
-   return texImage->Data != NULL;
+   return GL_TRUE;
 }
 
 
@@ -109,11 +127,16 @@ void
 _swrast_free_texture_image_buffer(struct gl_context *ctx,
                                   struct gl_texture_image *texImage)
 {
-   if (texImage->Data) {
-      _mesa_align_free(texImage->Data);
+   struct swrast_texture_image *swImage = swrast_texture_image(texImage);
+   if (swImage->Buffer) {
+      _mesa_align_free(swImage->Buffer);
+      swImage->Buffer = NULL;
    }
 
-   texImage->Data = NULL;
+   if (swImage->ImageOffsets) {
+      free(swImage->ImageOffsets);
+      swImage->ImageOffsets = NULL;
+   }
 }
 
 
@@ -155,6 +178,7 @@ _swrast_map_teximage(struct gl_context *ctx,
                      GLubyte **mapOut,
                      GLint *rowStrideOut)
 {
+   struct swrast_texture_image *swImage = swrast_texture_image(texImage);
    GLubyte *map;
    GLint stride, texelSize;
    GLuint bw, bh;
@@ -165,9 +189,9 @@ _swrast_map_teximage(struct gl_context *ctx,
    stride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
    _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
 
-   assert(texImage->Data);
+   assert(swImage->Buffer);
 
-   map = texImage->Data;
+   map = swImage->Buffer;
 
    if (texImage->TexObject->Target == GL_TEXTURE_3D ||
        texImage->TexObject->Target == GL_TEXTURE_2D_ARRAY) {
@@ -200,3 +224,138 @@ _swrast_unmap_teximage(struct gl_context *ctx,
 {
    /* nop */
 }
+
+
+void
+_swrast_map_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
+{
+   const GLuint faces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
+   GLuint face, level;
+
+   for (face = 0; face < faces; face++) {
+      for (level = texObj->BaseLevel; level < MAX_TEXTURE_LEVELS; level++) {
+         struct gl_texture_image *texImage = texObj->Image[face][level];
+         if (texImage) {
+            struct swrast_texture_image *swImage =
+               swrast_texture_image(texImage);
+
+            /* XXX we'll eventually call _swrast_map_teximage() here */
+            swImage->Data = swImage->Buffer;
+            assert(swImage->Buffer);
+         }
+      }
+   }
+}
+
+
+void
+_swrast_unmap_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
+{
+   const GLuint faces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
+   GLuint face, level;
+
+   for (face = 0; face < faces; face++) {
+      for (level = texObj->BaseLevel; level < MAX_TEXTURE_LEVELS; level++) {
+         struct gl_texture_image *texImage = texObj->Image[face][level];
+         if (texImage) {
+            struct swrast_texture_image *swImage
+               = swrast_texture_image(texImage);
+
+            /* XXX we'll eventually call _swrast_unmap_teximage() here */
+            swImage->Data = NULL;
+         }
+      }
+   }
+}
+
+
+/**
+ * Map all textures for reading prior to software rendering.
+ */
+void
+_swrast_map_textures(struct gl_context *ctx)
+{
+   GLbitfield enabledUnits = ctx->Texture._EnabledUnits;
+
+   /* loop over enabled texture units */
+   while (enabledUnits) {
+      GLuint unit = _mesa_ffs(enabledUnits) - 1;
+      struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
+      
+      _swrast_map_texture(ctx, texObj);
+
+      enabledUnits &= ~(1 << unit);
+   }
+}
+
+
+/**
+ * Unmap all textures for reading prior to software rendering.
+ */
+void
+_swrast_unmap_textures(struct gl_context *ctx)
+{
+   GLbitfield enabledUnits = ctx->Texture._EnabledUnits;
+
+   /* loop over enabled texture units */
+   while (enabledUnits) {
+      GLuint unit = _mesa_ffs(enabledUnits) - 1;
+      struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
+      
+      _swrast_unmap_texture(ctx, texObj);
+
+      enabledUnits &= ~(1 << unit);
+   }
+}
+
+
+/**
+ * Map or unmap any textures that we may be rendering to as renderbuffers.
+ */
+static void
+map_unmap_renderbuffers(struct gl_context *ctx,
+                        struct gl_framebuffer *fb,
+                        GLboolean map)
+{
+   GLuint i;
+
+   for (i = 0; i < Elements(fb->Attachment); i++) {
+      struct gl_texture_object *texObj = fb->Attachment[i].Texture;
+      if (texObj) {
+         const GLuint level = fb->Attachment[i].TextureLevel;
+         const GLuint face = fb->Attachment[i].CubeMapFace;
+         struct gl_texture_image *texImage = texObj->Image[face][level];
+         if (texImage) {
+            struct swrast_texture_image *swImage
+               = swrast_texture_image(texImage);
+
+            if (map) {
+               /* XXX we'll eventually call _swrast_map_teximage() here */
+               swImage->Data = swImage->Buffer;
+            }
+            else {
+               /* XXX we'll eventually call _swrast_unmap_teximage() here */
+               swImage->Data = NULL;
+            }
+         }
+      }
+   }
+}
+
+
+void
+_swrast_map_renderbuffers(struct gl_context *ctx)
+{
+   map_unmap_renderbuffers(ctx, ctx->DrawBuffer, GL_TRUE);
+   if (ctx->ReadBuffer != ctx->DrawBuffer)
+      map_unmap_renderbuffers(ctx, ctx->ReadBuffer, GL_TRUE);
+}
+
+
+void
+_swrast_unmap_renderbuffers(struct gl_context *ctx)
+{
+   map_unmap_renderbuffers(ctx, ctx->DrawBuffer, GL_FALSE);
+   if (ctx->ReadBuffer != ctx->DrawBuffer)
+      map_unmap_renderbuffers(ctx, ctx->ReadBuffer, GL_FALSE);
+}
diff --git a/mesalib/src/mesa/swrast/s_triangle.c b/mesalib/src/mesa/swrast/s_triangle.c
index 839c4fd08..b4f8e7479 100644
--- a/mesalib/src/mesa/swrast/s_triangle.c
+++ b/mesalib/src/mesa/swrast/s_triangle.c
@@ -127,10 +127,12 @@ _swrast_culltriangle( struct gl_context *ctx,
       ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];		\
    const struct gl_texture_image *texImg =				\
       obj->Image[0][obj->BaseLevel];					\
+   const struct swrast_texture_image *swImg =				\
+      swrast_texture_image_const(texImg);				\
    const GLfloat twidth = (GLfloat) texImg->Width;			\
    const GLfloat theight = (GLfloat) texImg->Height;			\
    const GLint twidth_log2 = texImg->WidthLog2;				\
-   const GLubyte *texture = (const GLubyte *) texImg->Data;		\
+   const GLubyte *texture = (const GLubyte *) swImg->Data;		\
    const GLint smask = texImg->Width - 1;				\
    const GLint tmask = texImg->Height - 1;				\
    ASSERT(texImg->TexFormat == MESA_FORMAT_RGB888);			\
@@ -181,10 +183,12 @@ _swrast_culltriangle( struct gl_context *ctx,
       ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];		\
    const struct gl_texture_image *texImg = 				\
        obj->Image[0][obj->BaseLevel]; 					\
+   const struct swrast_texture_image *swImg =				\
+      swrast_texture_image_const(texImg);				\
    const GLfloat twidth = (GLfloat) texImg->Width;			\
    const GLfloat theight = (GLfloat) texImg->Height;			\
    const GLint twidth_log2 = texImg->WidthLog2;				\
-   const GLubyte *texture = (const GLubyte *) texImg->Data;		\
+   const GLubyte *texture = (const GLubyte *) swImg->Data;		\
    const GLint smask = texImg->Width - 1;				\
    const GLint tmask = texImg->Height - 1;				\
    ASSERT(texImg->TexFormat == MESA_FORMAT_RGB888);			\
@@ -533,9 +537,11 @@ affine_span(struct gl_context *ctx, SWspan *span,
       ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];		\
    const struct gl_texture_image *texImg = 				\
       obj->Image[0][obj->BaseLevel]; 					\
+   const struct swrast_texture_image *swImg =				\
+      swrast_texture_image_const(texImg);				\
    const GLfloat twidth = (GLfloat) texImg->Width;			\
    const GLfloat theight = (GLfloat) texImg->Height;			\
-   info.texture = (const GLchan *) texImg->Data;			\
+   info.texture = (const GLchan *) swImg->Data;				\
    info.twidth_log2 = texImg->WidthLog2;				\
    info.smask = texImg->Width - 1;					\
    info.tmask = texImg->Height - 1;					\
@@ -800,7 +806,9 @@ fast_persp_span(struct gl_context *ctx, SWspan *span,
       ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];		\
    const struct gl_texture_image *texImg = 				\
       obj->Image[0][obj->BaseLevel];			 		\
-   info.texture = (const GLchan *) texImg->Data;			\
+   const struct swrast_texture_image *swImg =				\
+      swrast_texture_image_const(texImg);				\
+   info.texture = (const GLchan *) swImg->Data;				\
    info.twidth_log2 = texImg->WidthLog2;				\
    info.smask = texImg->Width - 1;					\
    info.tmask = texImg->Height - 1;					\
@@ -1062,7 +1070,7 @@ _swrast_choose_triangle( struct gl_context *ctx )
              && texObj2D->_Swizzle == SWIZZLE_NOOP
              && swImg->_IsPowerOfTwo
              && texImg->Border == 0
-             && texImg->Width == texImg->RowStride
+             && texImg->Width == swImg->RowStride
              && (format == MESA_FORMAT_RGB888 || format == MESA_FORMAT_RGBA8888)
              && minFilter == magFilter
              && ctx->Light.Model.ColorControl == GL_SINGLE_COLOR