mesa: remove gl_renderbuffer:RowStride field

(cherry picked from commit 1e1b5cb01a)

src/mesa/drivers/dri/intel/intel_fbo.c

@@ -135,7 +135,7 @@ intel_map_renderbuffer(struct gl_context *ctx,
    if (!irb && rb->Data) {
       /* this is a malloc'd renderbuffer (accum buffer) */
       GLint bpp = _mesa_get_format_bytes(rb->Format);
-      GLint rowStride = rb->RowStride * bpp;
+      GLint rowStride = rb->RowStrideBytes;
       *out_map = (GLubyte *) rb->Data + y * rowStride + x * bpp;
       *out_stride = rowStride;
       return;

src/mesa/drivers/dri/intel/intel_span.c

@@ -133,7 +133,6 @@ intel_renderbuffer_map(struct intel_context *intel, struct gl_renderbuffer *rb)
 			       GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
 			       &map, &stride);
    rb->Map = map;
-   rb->RowStride = stride / _mesa_get_format_bytes(rb->Format);
    rb->RowStrideBytes = stride;
 }
 
@@ -158,7 +157,6 @@ intel_renderbuffer_unmap(struct intel_context *intel,
    ctx->Driver.UnmapRenderbuffer(ctx, rb);
 
    rb->Map = NULL;
-   rb->RowStride = 0;
    rb->RowStrideBytes = 0;
 }
 

src/mesa/drivers/dri/radeon/radeon_span.c

@@ -65,7 +65,6 @@ radeon_renderbuffer_map(struct gl_context *ctx, struct gl_renderbuffer *rb)
 				    &map, &stride);
 
 	rb->Map = map;
-	rb->RowStride = stride / _mesa_get_format_bytes(rb->Format);
 	rb->RowStrideBytes = stride;
 }
 
@@ -79,7 +78,6 @@ radeon_renderbuffer_unmap(struct gl_context *ctx, struct gl_renderbuffer *rb)
 	ctx->Driver.UnmapRenderbuffer(ctx, rb);
 
 	rb->Map = NULL;
-	rb->RowStride = 0;
 	rb->RowStrideBytes = 0;
 }
 

src/mesa/drivers/dri/swrast/swrast.c

@@ -292,7 +292,6 @@ swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
     rb->Data = NULL;
     rb->Width = width;
     rb->Height = height;
-    rb->RowStride = width;
     xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
 
     return GL_TRUE;
@@ -387,7 +386,7 @@ swrast_map_renderbuffer(struct gl_context *ctx,
    struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
    GLubyte *map = rb->Data;
    int cpp = _mesa_get_format_bytes(rb->Format);
-   int stride = rb->RowStride * cpp;
+   int stride = rb->Width * cpp;
 
    if (rb->AllocStorage == swrast_alloc_front_storage) {
       __DRIdrawable *dPriv = xrb->dPriv;

src/mesa/main/mtypes.h

@@ -2539,10 +2539,9 @@ struct gl_renderbuffer
                                GL_STENCIL_INDEX. */
    gl_format Format;      /**< The actual renderbuffer memory format */
 
-   /* XXX the following 3 fields are obsolete and wil go away */
-   GLint RowStride;       /**< Padded width in units of pixels */
-   GLenum DataType;      /**< Type of values passed to the Get/Put functions */
+   /* XXX the following fields are obsolete and wil go away */
    GLvoid *Data;        /**< This may not be used by some kinds of RBs */
+   GLenum DataType;      /**< Type of values passed to the Get/Put functions */
 
    /** The following fields are only valid while the buffer is mapped */
    GLubyte *Map;

src/mesa/swrast/s_drawpix.c

@@ -522,7 +522,7 @@ fast_draw_depth_stencil(struct gl_context *ctx, GLint x, GLint y,
    srcRowStride = _mesa_image_row_stride(unpack, width, format, type);
 
    dst = _swrast_pixel_address(rb, x, y);
-   dstRowStride = rb->RowStride * 4;
+   dstRowStride = rb->RowStrideBytes;
 
    for (i = 0; i < height; i++) {
       _mesa_pack_uint_24_8_depth_stencil_row(rb->Format, width,

src/mesa/swrast/s_renderbuffer.c

@@ -214,7 +214,7 @@ soft_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
       rb->Data = NULL;
    }
 
-   rb->RowStride = width;
+   rb->RowStrideBytes = width * _mesa_get_format_bytes(rb->Format);
 
    if (width > 0 && height > 0) {
       /* allocate new buffer storage */
@@ -223,7 +223,6 @@ soft_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
       if (rb->Data == NULL) {
          rb->Width = 0;
          rb->Height = 0;
-	 rb->RowStride = 0;
          _mesa_error(ctx, GL_OUT_OF_MEMORY,
                      "software renderbuffer allocation (%d x %d x %d)",
                      width, height, _mesa_get_format_bytes(rb->Format));
@@ -263,7 +262,7 @@ _swrast_map_soft_renderbuffer(struct gl_context *ctx,
 {
    GLubyte *map = rb->Data;
    int cpp = _mesa_get_format_bytes(rb->Format);
-   int stride = rb->RowStride * cpp;
+   int stride = rb->Width * cpp;
 
    ASSERT(rb->Data);
 

src/mesa/swrast/s_texrender.c

@@ -127,7 +127,6 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
 
    trb->Base.Width = trb->TexImage->Base.Width;
    trb->Base.Height = trb->TexImage->Base.Height;
-   trb->Base.RowStride = trb->TexImage->RowStride;
    trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat;
    trb->Base.Format = trb->TexImage->Base.TexFormat;
 

src/mesa/swrast/s_texture.c

@@ -374,7 +374,6 @@ unmap_attachment(struct gl_context *ctx,
    }
 
    rb->Map = NULL;
-   rb->RowStrideBytes = 0;
 }