From 1aee8dafb5391e093f3a111f906ab0d8b6775510 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Sat, 28 Jan 2012 13:55:41 +0100
Subject: mesa xserver git update 28 jan 2012

---
 mesalib/src/mesa/main/pack.c | 61 +++++++++++++-------------------------------
 1 file changed, 18 insertions(+), 43 deletions(-)

(limited to 'mesalib/src/mesa/main/pack.c')

diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c
index f874ab21a..d07e2aaa8 100644
--- a/mesalib/src/mesa/main/pack.c
+++ b/mesalib/src/mesa/main/pack.c
@@ -462,7 +462,7 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max)
 #undef FN_NAME
 
 #define DST_TYPE GLushort
-#define SRC_CONVERT(x) (x)
+#define SRC_CONVERT(x) MIN2(x, 0xffff)
 #define FN_NAME pack_ushort_from_uint_rgba
 #include "pack_tmp.h"
 #undef DST_TYPE
@@ -470,7 +470,7 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max)
 #undef FN_NAME
 
 #define DST_TYPE GLshort
-#define SRC_CONVERT(x) (x)
+#define SRC_CONVERT(x) CLAMP((int)x, -32768, 32767)
 #define FN_NAME pack_short_from_uint_rgba
 #include "pack_tmp.h"
 #undef DST_TYPE
@@ -478,7 +478,7 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max)
 #undef FN_NAME
 
 #define DST_TYPE GLubyte
-#define SRC_CONVERT(x) (x)
+#define SRC_CONVERT(x) MIN2(x, 0xff)
 #define FN_NAME pack_ubyte_from_uint_rgba
 #include "pack_tmp.h"
 #undef DST_TYPE
@@ -486,7 +486,7 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max)
 #undef FN_NAME
 
 #define DST_TYPE GLbyte
-#define SRC_CONVERT(x) (x)
+#define SRC_CONVERT(x) CLAMP((int)x, -128, 127)
 #define FN_NAME pack_byte_from_uint_rgba
 #include "pack_tmp.h"
 #undef DST_TYPE
@@ -2020,14 +2020,10 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
    if (dstPacking->SwapBytes) {
       GLint swapSize = _mesa_sizeof_packed_type(dstType);
       if (swapSize == 2) {
-         if (dstPacking->SwapBytes) {
-            _mesa_swap2((GLushort *) dstAddr, n * comps);
-         }
+         _mesa_swap2((GLushort *) dstAddr, n * comps);
       }
       else if (swapSize == 4) {
-         if (dstPacking->SwapBytes) {
-            _mesa_swap4((GLuint *) dstAddr, n * comps);
-         }
+         _mesa_swap4((GLuint *) dstAddr, n * comps);
       }
    }
 
@@ -3007,27 +3003,6 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
 }
 
 
-static inline GLuint
-clamp_byte_to_uint(GLbyte b)
-{
-   return b < 0 ? 0 : b;
-}
-
-
-static inline GLuint
-clamp_short_to_uint(GLshort s)
-{
-   return s < 0 ? 0 : s;
-}
-
-
-static inline GLuint
-clamp_int_to_uint(GLint i)
-{
-   return i < 0 ? 0 : i;
-}
-
-
 static inline GLuint
 clamp_float_to_uint(GLfloat f)
 {
@@ -3150,10 +3125,10 @@ extract_uint_rgba(GLuint n, GLuint rgba[][4],
          PROCESS(aSrc, ACOMP, 1, GLubyte, (GLuint));
          break;
       case GL_BYTE:
-         PROCESS(rSrc, RCOMP, 0, GLbyte, clamp_byte_to_uint);
-         PROCESS(gSrc, GCOMP, 0, GLbyte, clamp_byte_to_uint);
-         PROCESS(bSrc, BCOMP, 0, GLbyte, clamp_byte_to_uint);
-         PROCESS(aSrc, ACOMP, 1, GLbyte, clamp_byte_to_uint);
+         PROCESS(rSrc, RCOMP, 0, GLbyte, (GLuint));
+         PROCESS(gSrc, GCOMP, 0, GLbyte, (GLuint));
+         PROCESS(bSrc, BCOMP, 0, GLbyte, (GLuint));
+         PROCESS(aSrc, ACOMP, 1, GLbyte, (GLuint));
          break;
       case GL_UNSIGNED_SHORT:
          PROCESS(rSrc, RCOMP, 0, GLushort, (GLuint));
@@ -3162,10 +3137,10 @@ extract_uint_rgba(GLuint n, GLuint rgba[][4],
          PROCESS(aSrc, ACOMP, 1, GLushort, (GLuint));
          break;
       case GL_SHORT:
-         PROCESS(rSrc, RCOMP, 0, GLshort, clamp_short_to_uint);
-         PROCESS(gSrc, GCOMP, 0, GLshort, clamp_short_to_uint);
-         PROCESS(bSrc, BCOMP, 0, GLshort, clamp_short_to_uint);
-         PROCESS(aSrc, ACOMP, 1, GLshort, clamp_short_to_uint);
+         PROCESS(rSrc, RCOMP, 0, GLshort, (GLuint));
+         PROCESS(gSrc, GCOMP, 0, GLshort, (GLuint));
+         PROCESS(bSrc, BCOMP, 0, GLshort, (GLuint));
+         PROCESS(aSrc, ACOMP, 1, GLshort, (GLuint));
          break;
       case GL_UNSIGNED_INT:
          PROCESS(rSrc, RCOMP, 0, GLuint, (GLuint));
@@ -3174,10 +3149,10 @@ extract_uint_rgba(GLuint n, GLuint rgba[][4],
          PROCESS(aSrc, ACOMP, 1, GLuint, (GLuint));
          break;
       case GL_INT:
-         PROCESS(rSrc, RCOMP, 0, GLint, clamp_int_to_uint);
-         PROCESS(gSrc, GCOMP, 0, GLint, clamp_int_to_uint);
-         PROCESS(bSrc, BCOMP, 0, GLint, clamp_int_to_uint);
-         PROCESS(aSrc, ACOMP, 1, GLint, clamp_int_to_uint);
+         PROCESS(rSrc, RCOMP, 0, GLint, (GLuint));
+         PROCESS(gSrc, GCOMP, 0, GLint, (GLuint));
+         PROCESS(bSrc, BCOMP, 0, GLint, (GLuint));
+         PROCESS(aSrc, ACOMP, 1, GLint, (GLuint));
          break;
       case GL_FLOAT:
          PROCESS(rSrc, RCOMP, 0, GLfloat, clamp_float_to_uint);
-- 
cgit v1.2.3