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-rw-r--r--src/mesa/drivers/dri/swrast/swrast.c18
-rw-r--r--src/mesa/drivers/dri/swrast/swrast_priv.h8
2 files changed, 13 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index e9ca99a86f0..e8df26f3d06 100644
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -206,12 +206,19 @@ swrast_delete_renderbuffer(struct gl_renderbuffer *rb)
free(rb);
}
+static INLINE int
+bytes_per_line(unsigned pitch_bits, unsigned mul)
+{
+ unsigned mask = mul - 1;
+
+ return ((pitch_bits + mask) & ~mask) / 8;
+}
+
static GLboolean
swrast_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
GLenum internalFormat, GLuint width, GLuint height)
{
struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
- unsigned mask = PITCH_ALIGN_BITS - 1;
TRACE;
@@ -219,8 +226,7 @@ swrast_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
rb->Width = width;
rb->Height = height;
- /* always pad to PITCH_ALIGN_BITS */
- xrb->pitch = ((width * xrb->bpp + mask) & ~mask) / 8;
+ xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
return GL_TRUE;
}
@@ -394,8 +400,10 @@ dri_swap_buffers(__DRIdrawable * dPriv)
fb = &drawable->Base;
- frontrb = swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
- backrb = swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+ frontrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+ backrb =
+ swrast_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
/* check for signle-buffered */
if (backrb == NULL)
diff --git a/src/mesa/drivers/dri/swrast/swrast_priv.h b/src/mesa/drivers/dri/swrast/swrast_priv.h
index 007642be95f..6679061a983 100644
--- a/src/mesa/drivers/dri/swrast/swrast_priv.h
+++ b/src/mesa/drivers/dri/swrast/swrast_priv.h
@@ -124,14 +124,6 @@ swrast_renderbuffer(struct gl_renderbuffer *rb)
#define PF_R3G3B2 3 /**< 8bpp TrueColor: 3-R, 3-G, 2-B bits */
#define PF_X8R8G8B8 4 /**< 32bpp TrueColor: 8-R, 8-G, 8-B bits */
-/**
- * Renderbuffer pitch alignment (in bits).
- *
- * The xorg loader requires padding images to 32 bits. However, this should
- * become a screen/drawable parameter XXX
- */
-#define PITCH_ALIGN_BITS 32
-
/* swrast_span.c */