Share code to lay out >= 945 style 2D mipmaps between i915tex and i965 drivers.

Use the i965 version as it has some fixes over the i915tex version.

3 files changed, 8 insertions, 52 deletions

diff --git a/src/mesa/drivers/dri/i915tex/Makefile b/src/mesa/drivers/dri/i915tex/Makefile
index 94879d209f7..3b3f3f5a3f7 100644
--- a/src/mesa/drivers/dri/i915tex/Makefile
+++ b/src/mesa/drivers/dri/i915tex/Makefile
@@ -20,6 +20,7 @@ DRIVER_SOURCES = \
 	intel_batchbuffer.c \
 	intel_mipmap_tree.c \
 	i915_tex_layout.c \
+	intel_tex_layout.c \
 	intel_tex_image.c \
 	intel_tex_subimage.c \
 	intel_tex_copy.c \
@@ -59,8 +60,10 @@ C_SOURCES = \
 
 ASM_SOURCES = 
 
-
+DRIVER_DEFINES = -I../intel
 
 include ../Makefile.template
 
+intel_tex_layout.o: ../intel/intel_tex_layout.c
+
 symlinks:
diff --git a/src/mesa/drivers/dri/i915tex/i915_tex_layout.c b/src/mesa/drivers/dri/i915tex/i915_tex_layout.c
index e9360ecea83..fc98611d319 100644
--- a/src/mesa/drivers/dri/i915tex/i915_tex_layout.c
+++ b/src/mesa/drivers/dri/i915tex/i915_tex_layout.c
@@ -30,6 +30,7 @@
  */
 
 #include "intel_mipmap_tree.h"
+#include "intel_tex_layout.h"
 #include "macros.h"
 #include "intel_context.h"
 
@@ -52,12 +53,6 @@ static GLint step_offsets[6][2] = { {0, 2},
 {-1, 1}
 };
 
-static GLuint
-minify(GLuint d)
-{
-   return MAX2(1, d >> 1);
-}
-
 GLboolean
 i915_miptree_layout(struct intel_mipmap_tree * mt)
 {
@@ -322,52 +317,9 @@ i945_miptree_layout(struct intel_mipmap_tree * mt)
 
    case GL_TEXTURE_1D:
    case GL_TEXTURE_2D:
-   case GL_TEXTURE_RECTANGLE_ARB:{
-         GLuint x = 0;
-         GLuint y = 0;
-         GLuint width = mt->width0;
-         GLuint height = mt->height0;
-	 GLint align_h = 2;
-
-         mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp;
-         mt->total_height = 0;
-
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-	    GLuint img_height;
-
-            intel_miptree_set_level_info(mt, level, 1,
-                                         x, y, 
-					 width, 
-					 mt->compressed ? height/4 : height, 1);
-
-
-	    if (mt->compressed)
-               img_height = MAX2(1, height / 4);
-            else
-               img_height = MAX2(align_h, height);
-
-            /* LPT change: step right after second mipmap.
-             */
-            if (level == mt->first_level + 1) {
-               x += mt->pitch / 2;
-	       x = (x + 3) & ~3;
-	    }
-            else {
-	       y += img_height;
-	       y += align_h - 1;
-	       y &= ~(align_h - 1);
-	    }
-
-            /* Because the images are packed better, the final offset
-             * might not be the maximal one:
-             */
-            mt->total_height = MAX2(mt->total_height, y);
-
-            width = minify(width);
-            height = minify(height);
-         }
+   case GL_TEXTURE_RECTANGLE_ARB:
+         i945_miptree_layout_2d(mt);
          break;
-      }
    default:
       _mesa_problem(NULL, "Unexpected tex target in i945_miptree_layout()");
    }
diff --git a/src/mesa/drivers/dri/i915tex/intel_tex_layout.c b/src/mesa/drivers/dri/i915tex/intel_tex_layout.c
new file mode 120000
index 00000000000..fe61b441945
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/intel_tex_layout.c
@@ -0,0 +1 @@
+../intel/intel_tex_layout.c
\ No newline at end of file