gl_texture_image RowStride changes from DRI R200 branch

5 files changed, 26 insertions, 16 deletions

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 5084ad6f37..c03d91ba73 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1,4 +1,4 @@
-/* $Id: mtypes.h,v 1.51.2.12 2002/09/21 17:12:34 brianp Exp $ */
+/* $Id: mtypes.h,v 1.51.2.13 2002/09/23 16:39:43 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -801,6 +801,7 @@ struct gl_texture_image {
    GLuint Width;		/* = 2^WidthLog2 + 2*Border */
    GLuint Height;		/* = 2^HeightLog2 + 2*Border */
    GLuint Depth;		/* = 2^DepthLog2 + 2*Border */
+   GLuint RowStride;		/* == Width unless IsClientData and padded */
    GLuint Width2;		/* = Width - 2*Border */
    GLuint Height2;		/* = Height - 2*Border */
    GLuint Depth2;		/* = Depth - 2*Border */
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index 38e5deec7b..bb994ec2d8 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1,4 +1,4 @@
-/* $Id: texformat_tmp.h,v 1.3.2.3 2002/09/13 23:18:22 brianp Exp $ */
+/* $Id: texformat_tmp.h,v 1.3.2.4 2002/09/23 16:39:44 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -44,13 +44,13 @@
 #elif DIM == 2
 
 #define CHAN_SRC( t, i, j, k, sz )					\
-	((GLchan *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
+	((GLchan *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))
 #define UBYTE_SRC( t, i, j, k, sz )					\
-	((GLubyte *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
+	((GLubyte *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz))
 #define USHORT_SRC( t, i, j, k )					\
-	((GLushort *)(t)->Data + ((t)->Width * (j) + (i)))
+	((GLushort *)(t)->Data + ((t)->RowStride * (j) + (i)))
 #define FLOAT_SRC( t, i, j, k )						\
-	((GLfloat *)(t)->Data + ((t)->Width * (j) + (i)))
+	((GLfloat *)(t)->Data + ((t)->RowStride * (j) + (i)))
 
 #define FETCH(x) fetch_2d_texel_##x
 
@@ -58,16 +58,16 @@
 
 #define CHAN_SRC( t, i, j, k, sz )					\
 	(GLchan *)(t)->Data + (((t)->Height * (k) + (j)) *		\
-				(t)->Width + (i)) * (sz)
+				(t)->RowStride + (i)) * (sz)
 #define UBYTE_SRC( t, i, j, k, sz )					\
 	((GLubyte *)(t)->Data + (((t)->Height * (k) + (j)) *		\
-				 (t)->Width + (i)) * (sz))
+				 (t)->RowStride + (i)) * (sz))
 #define USHORT_SRC( t, i, j, k )					\
 	((GLushort *)(t)->Data + (((t)->Height * (k) + (j)) *		\
-				  (t)->Width + (i)))
+				  (t)->RowStride + (i)))
 #define FLOAT_SRC( t, i, j, k )						\
 	((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) *		\
-				  (t)->Width + (i)))
+				  (t)->RowStride + (i)))
 
 #define FETCH(x) fetch_3d_texel_##x
 
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 8ec070478f..c61a282be8 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1,4 +1,4 @@
-/* $Id: teximage.c,v 1.104.2.11 2002/09/20 19:40:54 brianp Exp $ */
+/* $Id: teximage.c,v 1.104.2.12 2002/09/23 16:39:44 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -102,6 +102,7 @@ static void PrintTexture(const struct gl_texture_image *img)
             printf("%02x%02x%02x%02x  ", data[0], data[1], data[2], data[3]);
          data += c;
       }
+      data += (img->RowStride - img->Width) * c;
       printf("\n");
    }
 #endif
@@ -612,6 +613,7 @@ clear_teximage_fields(struct gl_texture_image *img)
    img->Width = 0;
    img->Height = 0;
    img->Depth = 0;
+   img->RowStride = 0;
    img->Width2 = 0;
    img->Height2 = 0;
    img->Depth2 = 0;
@@ -643,6 +645,7 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
    img->Width = width;
    img->Height = height;
    img->Depth = depth;
+   img->RowStride = img->Width;
    img->WidthLog2 = logbase2(width - 2 * border);
    if (height == 1)  /* 1-D texture */
       img->HeightLog2 = 0;
@@ -1432,8 +1435,9 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
                                      depthRow, &ctx->Pack);
             }
             else if (format == GL_YCBCR_MESA) {
+	       const GLint rowstride = texImage->RowStride;
                /* No pixel transfer */
-               MEMCPY(dest, (const GLushort *) texImage->Data + row * width,
+               MEMCPY(dest, (const GLushort *) texImage->Data + row * rowstride,
                       width * sizeof(GLushort));
                /* check for byte swapping */
                if ((texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index 6d6121895a..3a1f3d365e 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -1,4 +1,4 @@
-/* $Id: s_texture.c,v 1.41.2.8 2002/09/13 19:34:43 brianp Exp $ */
+/* $Id: s_texture.c,v 1.41.2.9 2002/09/23 16:39:45 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -883,7 +883,8 @@ sample_linear_2d( GLcontext *ctx, GLuint texUnit,
  * Optimized 2-D texture sampling:
  *    S and T wrap mode == GL_REPEAT
  *    GL_NEAREST min/mag filter
- *    No border
+ *    No border, 
+ *    RowStride == Width,
  *    Format = GL_RGB
  */
 static void
@@ -924,6 +925,7 @@ opt_sample_rgb_2d( GLcontext *ctx, GLuint texUnit,
  *    S and T wrap mode == GL_REPEAT
  *    GL_NEAREST min/mag filter
  *    No border
+ *    RowStride == Width,
  *    Format = GL_RGBA
  */
 static void
@@ -980,7 +982,7 @@ sample_lambda_2d( GLcontext *ctx, GLuint texUnit,
       switch (tObj->MagFilter) {
       case GL_NEAREST:
          if (tObj->WrapS == GL_REPEAT && tObj->WrapT == GL_REPEAT &&
-             img->Border == 0) {
+             img->Border == 0 && img->Width == img->RowStride) {
             switch (img->Format) {
             case GL_RGB:
                opt_sample_rgb_2d(ctx, texUnit, tObj, n, s, t, NULL,
@@ -2039,12 +2041,14 @@ _swrast_choose_texture_sample_func( GLcontext *ctx, GLuint texUnit,
                if (t->WrapS == GL_REPEAT &&
                    t->WrapT == GL_REPEAT &&
                    t->Image[baseLevel]->Border == 0 &&
+                   t->Image[baseLevel]->Width == t->Image[baseLevel]->RowStride &&
                    t->Image[baseLevel]->TexFormat->MesaFormat == MESA_FORMAT_RGB) {
                   swrast->TextureSample[texUnit] = opt_sample_rgb_2d;
                }
                else if (t->WrapS == GL_REPEAT &&
                         t->WrapT == GL_REPEAT &&
                         t->Image[baseLevel]->Border == 0 &&
+			t->Image[baseLevel]->Width == t->Image[baseLevel]->RowStride &&
                         t->Image[baseLevel]->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
                   swrast->TextureSample[texUnit] = opt_sample_rgba_2d;
                }
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index efc69b7e44..e2fd8da49c 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -1,4 +1,4 @@
-/* $Id: s_triangle.c,v 1.39.2.5 2002/01/30 16:45:29 brianp Exp $ */
+/* $Id: s_triangle.c,v 1.39.2.6 2002/09/23 16:39:45 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1696,6 +1696,7 @@ _swrast_choose_triangle( GLcontext *ctx )
              && texObj2D->WrapS==GL_REPEAT
 	     && texObj2D->WrapT==GL_REPEAT
              && texImg->Border==0
+             && texImg->Width==texImg->RowStride
              && (format == MESA_FORMAT_RGB || format == MESA_FORMAT_RGBA)
 	     && minFilter == magFilter
 	     && ctx->Light.Model.ColorControl == GL_SINGLE_COLOR