Mesa (master): mesa: Turn get_readpixels_transfer_ops() in to a global function

[Anuj Phogat]

Module: Mesa
Branch: master
Commit: 7974e23be9ff7586e5250cff321b6ec7749ecc44
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7974e23be9ff7586e5250cff321b6ec7749ecc44

Author: Anuj Phogat <anuj.phogat at gmail.com>
Date:   Tue May 19 17:44:52 2015 -0700

mesa: Turn get_readpixels_transfer_ops() in to a global function

This utility function is utilized in a later patch.

Cc: <mesa-stable at lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Iago Toral Quiroga <itoral at igalia.com>

---

 src/mesa/main/readpix.c |   16 +++++++++-------
 src/mesa/main/readpix.h |    6 ++++++
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c
index 32e31ff..25a0987 100644
--- a/src/mesa/main/readpix.c
+++ b/src/mesa/main/readpix.c
@@ -64,9 +64,11 @@ _mesa_need_rgb_to_luminance_conversion(mesa_format texFormat, GLenum format)
 /**
  * Return transfer op flags for this ReadPixels operation.
  */
-static GLbitfield
-get_readpixels_transfer_ops(const struct gl_context *ctx, mesa_format texFormat,
-                            GLenum format, GLenum type, GLboolean uses_blit)
+GLbitfield
+_mesa_get_readpixels_transfer_ops(const struct gl_context *ctx,
+                                  mesa_format texFormat,
+                                  GLenum format, GLenum type,
+                                  GLboolean uses_blit)
 {
    GLbitfield transferOps = ctx->_ImageTransferState;
 
@@ -153,8 +155,8 @@ _mesa_readpixels_needs_slow_path(const struct gl_context *ctx, GLenum format,
       }
 
       /* And finally, see if there are any transfer ops. */
-      return get_readpixels_transfer_ops(ctx, rb->Format, format, type,
-                                         uses_blit) != 0;
+      return _mesa_get_readpixels_transfer_ops(ctx, rb->Format, format, type,
+                                               uses_blit) != 0;
    }
    return GL_FALSE;
 }
@@ -420,8 +422,8 @@ read_rgba_pixels( struct gl_context *ctx,
    if (!rb)
       return;
 
-   transferOps = get_readpixels_transfer_ops(ctx, rb->Format, format, type,
-                                             GL_FALSE);
+   transferOps = _mesa_get_readpixels_transfer_ops(ctx, rb->Format, format,
+                                                   type, GL_FALSE);
    /* Describe the dst format */
    dst_is_integer = _mesa_is_enum_format_integer(format);
    dst_stride = _mesa_image_row_stride(packing, width, format, type);
diff --git a/src/mesa/main/readpix.h b/src/mesa/main/readpix.h
index 1636dd9..f894036 100644
--- a/src/mesa/main/readpix.h
+++ b/src/mesa/main/readpix.h
@@ -40,6 +40,12 @@ _mesa_readpixels_needs_slow_path(const struct gl_context *ctx, GLenum format,
 extern GLboolean
 _mesa_need_rgb_to_luminance_conversion(mesa_format texFormat, GLenum format);
 
+extern GLbitfield
+_mesa_get_readpixels_transfer_ops(const struct gl_context *ctx,
+                                  mesa_format texFormat,
+                                  GLenum format, GLenum type,
+                                  GLboolean uses_blit);
+
 extern void
 _mesa_readpixels(struct gl_context *ctx,
                  GLint x, GLint y, GLsizei width, GLsizei height,