From 48f7d86b7cbd9e926d9c2fba6e355573a546f442 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Fri, 30 Jan 2009 01:53:50 +0100
Subject: [PATCH] i915: Fix surface operations

---
 src/gallium/drivers/i915simple/i915_blit.c    | 30 +++++++++----------
 src/gallium/drivers/i915simple/i915_blit.h    |  6 ++--
 src/gallium/drivers/i915simple/i915_surface.c |  6 ++--
 3 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/src/gallium/drivers/i915simple/i915_blit.c b/src/gallium/drivers/i915simple/i915_blit.c
index 5a4b8292109..448a4708ce8 100644
--- a/src/gallium/drivers/i915simple/i915_blit.c
+++ b/src/gallium/drivers/i915simple/i915_blit.c
@@ -38,7 +38,7 @@
 void
 i915_fill_blit(struct i915_context *i915,
 	       unsigned cpp,
-	       short dst_pitch,
+	       unsigned short dst_pitch,
 	       struct pipe_buffer *dst_buffer,
 	       unsigned dst_offset,
 	       short x, short y, 
@@ -47,15 +47,23 @@ i915_fill_blit(struct i915_context *i915,
 {
    unsigned BR13, CMD;
 
+
+   I915_DBG(i915,
+       "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
+       __FUNCTION__,
+       dst_buffer, dst_pitch, dst_offset, x, y, w, h);
+
    switch (cpp) {
    case 1:
    case 2:
    case 3:
-      BR13 = dst_pitch | (0xF0 << 16) | (1 << 24);
+      BR13 = (((int) dst_pitch) & 0xffff) |
+	 (0xF0 << 16) | (1 << 24);
       CMD = XY_COLOR_BLT_CMD;
       break;
    case 4:
-      BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25);
+      BR13 = (((int) dst_pitch) & 0xffff) |
+	 (0xF0 << 16) | (1 << 24) | (1 << 25);
       CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
              XY_COLOR_BLT_WRITE_RGB);
       break;
@@ -63,10 +71,6 @@ i915_fill_blit(struct i915_context *i915,
       return;
    }
 
-//   DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
-//       __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
-
-
    if (!BEGIN_BATCH(6, 1)) {
       FLUSH_BATCH(NULL);
       assert(BEGIN_BATCH(6, 1));
@@ -85,10 +89,10 @@ void
 i915_copy_blit( struct i915_context *i915,
                   unsigned do_flip,
                   unsigned cpp,
-                  short src_pitch,
+                  unsigned short src_pitch,
                   struct pipe_buffer *src_buffer,
                   unsigned src_offset,
-                  short dst_pitch,
+                  unsigned short dst_pitch,
                   struct pipe_buffer *dst_buffer,
                   unsigned dst_offset,
                   short src_x, short src_y,
@@ -106,20 +110,16 @@ i915_copy_blit( struct i915_context *i915,
        src_buffer, src_pitch, src_offset, src_x, src_y,
        dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
 
-   src_pitch *= (short) cpp;
-   dst_pitch *= (short) cpp;
-
    switch (cpp) {
    case 1:
    case 2:
    case 3:
-      BR13 = (((int) dst_pitch) & 0xffff) | 
+      BR13 = (((int) dst_pitch) & 0xffff) |
 	 (0xCC << 16) | (1 << 24);
       CMD = XY_SRC_COPY_BLT_CMD;
       break;
    case 4:
-      BR13 =
-         (((int) dst_pitch) & 0xffff) | 
+      BR13 = (((int) dst_pitch) & 0xffff) |
 	 (0xCC << 16) | (1 << 24) | (1 << 25);
       CMD =
          (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
diff --git a/src/gallium/drivers/i915simple/i915_blit.h b/src/gallium/drivers/i915simple/i915_blit.h
index 6e5b44e1247..0bb34538611 100644
--- a/src/gallium/drivers/i915simple/i915_blit.h
+++ b/src/gallium/drivers/i915simple/i915_blit.h
@@ -33,10 +33,10 @@
 extern void i915_copy_blit(struct i915_context *i915,
                            unsigned do_flip,
 			   unsigned cpp,
-			   short src_pitch,
+			   unsigned short src_pitch,
 			   struct pipe_buffer *src_buffer,
 			   unsigned src_offset,
-			   short dst_pitch,
+			   unsigned short dst_pitch,
 			   struct pipe_buffer *dst_buffer,
 			   unsigned dst_offset,
 			   short srcx, short srcy,
@@ -45,7 +45,7 @@ extern void i915_copy_blit(struct i915_context *i915,
 
 extern void i915_fill_blit(struct i915_context *i915,
 			   unsigned cpp,
-			   short dst_pitch,
+			   unsigned short dst_pitch,
 			   struct pipe_buffer *dst_buffer,
 			   unsigned dst_offset,
 			   short x, short y,
diff --git a/src/gallium/drivers/i915simple/i915_surface.c b/src/gallium/drivers/i915simple/i915_surface.c
index 62f1926644a..3b3d9217a0c 100644
--- a/src/gallium/drivers/i915simple/i915_surface.c
+++ b/src/gallium/drivers/i915simple/i915_surface.c
@@ -79,8 +79,8 @@ i915_surface_copy(struct pipe_context *pipe,
       i915_copy_blit( i915_context(pipe),
                       do_flip,
                       dst->block.size,
-		      (short) src->stride, src->buffer, src->offset,
-		      (short) dst->stride, dst->buffer, dst->offset,
+		      (unsigned short) src->stride, src->buffer, src->offset,
+		      (unsigned short) dst->stride, dst->buffer, dst->offset,
 		      (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
    }
 }
@@ -106,7 +106,7 @@ i915_surface_fill(struct pipe_context *pipe,
       assert(dst->block.height == 1);
       i915_fill_blit( i915_context(pipe),
 		      dst->block.size,
-		      (short) dst->stride,
+		      (unsigned short) dst->stride,
 		      dst->buffer, dst->offset,
 		      (short) dstx, (short) dsty,
 		      (short) width, (short) height,
-- 
2.30.2