mesa: initial support for unnormalized integer texture formats

As defined by GL_EXT_texture_integer.

9 files changed, 1140 insertions, 133 deletions

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 3671140e85..49463fcc3c 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -48,7 +48,7 @@ struct gl_format_info
 
    /**
     * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
-    * GL_UNSIGNED_INT, GL_SIGNED_INT, GL_FLOAT.
+    * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
     */
    GLenum DataType;
 
@@ -628,6 +628,66 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 16, 0, 0, 0,
       1, 1, 2
    },
+
+   /* unnormalized signed int formats */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      "MESA_FORMAT_RGBA_INT8",
+      GL_RGBA,
+      GL_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      "MESA_FORMAT_RGBA_INT16",
+      GL_RGBA,
+      GL_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      "MESA_FORMAT_RGBA_INT32",
+      GL_RGBA,
+      GL_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+   /* unnormalized unsigned int formats */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      "MESA_FORMAT_RGBA_UINT8",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      "MESA_FORMAT_RGBA_UINT16",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      "MESA_FORMAT_RGBA_UINT32",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+
    {
       MESA_FORMAT_DUDV8,
       "MESA_FORMAT_DUDV8",
@@ -1230,6 +1290,36 @@ _mesa_format_to_type_and_comps(gl_format format,
       *comps = 1;
       return;
 
+   case MESA_FORMAT_RGBA_INT8:
+      *datatype = GL_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT16:
+      *datatype = GL_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT32:
+      *datatype = GL_INT;
+      *comps = 4;
+      return;
+
+   /**
+    * \name Non-normalized unsigned integer formats.
+    */
+   case MESA_FORMAT_RGBA_UINT8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT32:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 4;
+      return;
+
+
    default:
       _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
       *datatype = 0;
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index c744688122..aa14185628 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -130,6 +130,22 @@ typedef enum
    MESA_FORMAT_INTENSITY_FLOAT16,
    /*@}*/
 
+   /**
+    * \name Non-normalized signed integer formats.
+    * XXX Note: these are just stand-ins for some better hardware
+    * formats TBD such as BGRA or ARGB.
+    */
+   MESA_FORMAT_RGBA_INT8,
+   MESA_FORMAT_RGBA_INT16,
+   MESA_FORMAT_RGBA_INT32,
+
+   /**
+    * \name Non-normalized unsigned integer formats.
+    */
+   MESA_FORMAT_RGBA_UINT8,
+   MESA_FORMAT_RGBA_UINT16,
+   MESA_FORMAT_RGBA_UINT32,
+
                                   /* msb <------ TEXEL BITS -----------> lsb */
                                   /* ---- ---- ---- ---- ---- ---- ---- ---- */
    /**
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 93b01423dc..63c28342f2 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -274,17 +274,25 @@ _mesa_components_in_format( GLenum format )
       case GL_STENCIL_INDEX:
       case GL_DEPTH_COMPONENT:
       case GL_RED:
+      case GL_RED_INTEGER_EXT:
       case GL_GREEN:
+      case GL_GREEN_INTEGER_EXT:
       case GL_BLUE:
+      case GL_BLUE_INTEGER_EXT:
       case GL_ALPHA:
+      case GL_ALPHA_INTEGER_EXT:
       case GL_LUMINANCE:
+      case GL_LUMINANCE_INTEGER_EXT:
       case GL_INTENSITY:
          return 1;
       case GL_LUMINANCE_ALPHA:
+      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
 	 return 2;
       case GL_RGB:
+      case GL_RGB_INTEGER_EXT:
 	 return 3;
       case GL_RGBA:
+      case GL_RGBA_INTEGER_EXT:
 	 return 4;
       case GL_BGR:
 	 return 3;
@@ -523,6 +531,28 @@ _mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type )
             default:
                return GL_FALSE;
          }
+      case GL_RED_INTEGER_EXT:
+      case GL_GREEN_INTEGER_EXT:
+      case GL_BLUE_INTEGER_EXT:
+      case GL_ALPHA_INTEGER_EXT:
+      case GL_RGB_INTEGER_EXT:
+      case GL_RGBA_INTEGER_EXT:
+      case GL_BGR_INTEGER_EXT:
+      case GL_BGRA_INTEGER_EXT:
+      case GL_LUMINANCE_INTEGER_EXT:
+      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+         switch (type) {
+            case GL_BYTE:
+            case GL_UNSIGNED_BYTE:
+            case GL_SHORT:
+            case GL_UNSIGNED_SHORT:
+            case GL_INT:
+            case GL_UNSIGNED_INT:
+               return ctx->Extensions.EXT_texture_integer;
+            default:
+               return GL_FALSE;
+         }
+
       default:
          ; /* fall-through */
    }
@@ -777,6 +807,30 @@ _mesa_is_dudv_format(GLenum format)
 
 
 /**
+ * Test if the given format is an integer (non-normalized) format.
+ */
+GLboolean
+_mesa_is_integer_format(GLenum format)
+{
+   switch (format) {
+   case GL_RED_INTEGER_EXT:
+   case GL_GREEN_INTEGER_EXT:
+   case GL_BLUE_INTEGER_EXT:
+   case GL_ALPHA_INTEGER_EXT:
+   case GL_RGB_INTEGER_EXT:
+   case GL_RGBA_INTEGER_EXT:
+   case GL_BGR_INTEGER_EXT:
+   case GL_BGRA_INTEGER_EXT:
+   case GL_LUMINANCE_INTEGER_EXT:
+   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+      return GL_TRUE;
+   default:
+      return GL_FALSE;
+   }
+}
+
+
+/**
  * Test if an image format is a supported compressed format.
  * \param format the internal format token provided by the user.
  * \return GL_TRUE if compressed, GL_FALSE if uncompressed
@@ -3275,6 +3329,8 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
    GLint redIndex, greenIndex, blueIndex, alphaIndex;
    GLint stride;
    GLint rComp, bComp, gComp, aComp;
+   GLboolean intFormat;
+   GLfloat rs = 1.0f, gs = 1.0f, bs = 1.0f, as = 1.0f; /* scale factors */
 
    ASSERT(srcFormat == GL_RED ||
           srcFormat == GL_GREEN ||
@@ -3289,7 +3345,17 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
           srcFormat == GL_BGRA ||
           srcFormat == GL_ABGR_EXT ||
           srcFormat == GL_DU8DV8_ATI ||
-          srcFormat == GL_DUDV_ATI);
+          srcFormat == GL_DUDV_ATI ||
+          srcFormat == GL_RED_INTEGER_EXT ||
+          srcFormat == GL_GREEN_INTEGER_EXT ||
+          srcFormat == GL_BLUE_INTEGER_EXT ||
+          srcFormat == GL_ALPHA_INTEGER_EXT ||
+          srcFormat == GL_RGB_INTEGER_EXT ||
+          srcFormat == GL_RGBA_INTEGER_EXT ||
+          srcFormat == GL_BGR_INTEGER_EXT ||
+          srcFormat == GL_BGRA_INTEGER_EXT ||
+          srcFormat == GL_LUMINANCE_INTEGER_EXT ||
+          srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT);
 
    ASSERT(srcType == GL_UNSIGNED_BYTE ||
           srcType == GL_BYTE ||
@@ -3316,31 +3382,37 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
 
    switch (srcFormat) {
       case GL_RED:
+      case GL_RED_INTEGER_EXT:
          redIndex = 0;
          greenIndex = blueIndex = alphaIndex = -1;
          stride = 1;
          break;
       case GL_GREEN:
+      case GL_GREEN_INTEGER_EXT:
          greenIndex = 0;
          redIndex = blueIndex = alphaIndex = -1;
          stride = 1;
          break;
       case GL_BLUE:
+      case GL_BLUE_INTEGER_EXT:
          blueIndex = 0;
          redIndex = greenIndex = alphaIndex = -1;
          stride = 1;
          break;
       case GL_ALPHA:
+      case GL_ALPHA_INTEGER_EXT:
          redIndex = greenIndex = blueIndex = -1;
          alphaIndex = 0;
          stride = 1;
          break;
       case GL_LUMINANCE:
+      case GL_LUMINANCE_INTEGER_EXT:
          redIndex = greenIndex = blueIndex = 0;
          alphaIndex = -1;
          stride = 1;
          break;
       case GL_LUMINANCE_ALPHA:
+      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
          redIndex = greenIndex = blueIndex = 0;
          alphaIndex = 1;
          stride = 2;
@@ -3350,6 +3422,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          stride = 1;
          break;
       case GL_RGB:
+      case GL_RGB_INTEGER:
          redIndex = 0;
          greenIndex = 1;
          blueIndex = 2;
@@ -3372,6 +3445,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          stride = 3;
          break;
       case GL_RGBA:
+      case GL_RGBA_INTEGER:
          redIndex = 0;
          greenIndex = 1;
          blueIndex = 2;
@@ -3418,12 +3492,20 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          return;
    }
 
+   intFormat = _mesa_is_integer_format(srcFormat);
 
-#define PROCESS(INDEX, CHANNEL, DEFAULT, TYPE, CONVERSION)		\
+#define PROCESS(INDEX, CHANNEL, DEFAULT, DEFAULT_INT, TYPE, CONVERSION) \
    if ((INDEX) < 0) {							\
       GLuint i;								\
-      for (i = 0; i < n; i++) {						\
-         rgba[i][CHANNEL] = DEFAULT;					\
+      if (intFormat) {							\
+         for (i = 0; i < n; i++) {					\
+            rgba[i][CHANNEL] = DEFAULT_INT;				\
+         }								\
+      }									\
+      else {								\
+         for (i = 0; i < n; i++) {					\
+            rgba[i][CHANNEL] = DEFAULT;					\
+         }								\
       }									\
    }									\
    else if (swapBytes) {						\
@@ -3437,77 +3519,93 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          else if (sizeof(TYPE) == 4) {					\
             SWAP4BYTE(value);						\
          }								\
-         rgba[i][CHANNEL] = (GLfloat) CONVERSION(value);		\
+         if (intFormat)							\
+            rgba[i][CHANNEL] = (GLfloat) value;				\
+         else								\
+            rgba[i][CHANNEL] = (GLfloat) CONVERSION(value);		\
          s += stride;							\
       }									\
    }									\
    else {								\
       const TYPE *s = (const TYPE *) src;				\
       GLuint i;								\
-      for (i = 0; i < n; i++) {						\
-         rgba[i][CHANNEL] = (GLfloat) CONVERSION(s[INDEX]);		\
-         s += stride;							\
+      if (intFormat) {							\
+         for (i = 0; i < n; i++) {					\
+            rgba[i][CHANNEL] = (GLfloat) s[INDEX];			\
+            s += stride;						\
+         }								\
+      }									\
+      else {								\
+         for (i = 0; i < n; i++) {					\
+            rgba[i][CHANNEL] = (GLfloat) CONVERSION(s[INDEX]);		\
+            s += stride;						\
+         }								\
       }									\
    }
 
    switch (srcType) {
       case GL_UNSIGNED_BYTE:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLubyte, UBYTE_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLubyte, UBYTE_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,   0, GLubyte, UBYTE_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,   0, GLubyte, UBYTE_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,   0, GLubyte, UBYTE_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 255, GLubyte, UBYTE_TO_FLOAT);
          break;
       case GL_BYTE:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLbyte, BYTE_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLbyte, BYTE_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,   0, GLbyte, BYTE_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,   0, GLbyte, BYTE_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,   0, GLbyte, BYTE_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 127, GLbyte, BYTE_TO_FLOAT);
          break;
       case GL_UNSIGNED_SHORT:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLushort, USHORT_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLushort, USHORT_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,      0, GLushort, USHORT_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,      0, GLushort, USHORT_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,      0, GLushort, USHORT_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 0xffff, GLushort, USHORT_TO_FLOAT);
          break;
       case GL_SHORT:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLshort, SHORT_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLshort, SHORT_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,     0, GLshort, SHORT_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,     0, GLshort, SHORT_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,     0, GLshort, SHORT_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 32767, GLshort, SHORT_TO_FLOAT);
          break;
       case GL_UNSIGNED_INT:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLuint, UINT_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLuint, UINT_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,          0, GLuint, UINT_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,          0, GLuint, UINT_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,          0, GLuint, UINT_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 0xffffffff, GLuint, UINT_TO_FLOAT);
          break;
       case GL_INT:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLint, INT_TO_FLOAT);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLint, INT_TO_FLOAT);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLint, INT_TO_FLOAT);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLint, INT_TO_FLOAT);
+         PROCESS(redIndex,   RCOMP, 0.0F,          0, GLint, INT_TO_FLOAT);
+         PROCESS(greenIndex, GCOMP, 0.0F,          0, GLint, INT_TO_FLOAT);
+         PROCESS(blueIndex,  BCOMP, 0.0F,          0, GLint, INT_TO_FLOAT);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 2147483647, GLint, INT_TO_FLOAT);
          break;
       case GL_FLOAT:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLfloat, (GLfloat));
-         PROCESS(greenIndex, GCOMP, 0.0F, GLfloat, (GLfloat));
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLfloat, (GLfloat));
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLfloat, (GLfloat));
+         PROCESS(redIndex,   RCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+         PROCESS(greenIndex, GCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+         PROCESS(blueIndex,  BCOMP, 0.0F, 0.0F, GLfloat, (GLfloat));
+         PROCESS(alphaIndex, ACOMP, 1.0F, 1.0F, GLfloat, (GLfloat));
          break;
       case GL_HALF_FLOAT_ARB:
-         PROCESS(redIndex,   RCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
-         PROCESS(greenIndex, GCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
-         PROCESS(blueIndex,  BCOMP, 0.0F, GLhalfARB, _mesa_half_to_float);
-         PROCESS(alphaIndex, ACOMP, 1.0F, GLhalfARB, _mesa_half_to_float);
+         PROCESS(redIndex,   RCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+         PROCESS(greenIndex, GCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+         PROCESS(blueIndex,  BCOMP, 0.0F, 0.0F, GLhalfARB, _mesa_half_to_float);
+         PROCESS(alphaIndex, ACOMP, 1.0F, 1.0F, GLhalfARB, _mesa_half_to_float);
          break;
       case GL_UNSIGNED_BYTE_3_3_2:
          {
             const GLubyte *ubsrc = (const GLubyte *) src;
             GLuint i;
+            if (!intFormat) {
+               rs = 1.0F / 7.0F;
+               gs = 1.0F / 7.0F;
+               bs = 1.0F / 3.0F;
+            }
             for (i = 0; i < n; i ++) {
                GLubyte p = ubsrc[i];
-               rgba[i][rComp] = ((p >> 5)      ) * (1.0F / 7.0F);
-               rgba[i][gComp] = ((p >> 2) & 0x7) * (1.0F / 7.0F);
-               rgba[i][bComp] = ((p     ) & 0x3) * (1.0F / 3.0F);
+               rgba[i][rComp] = ((p >> 5)      ) * rs;
+               rgba[i][gComp] = ((p >> 2) & 0x7) * gs;
+               rgba[i][bComp] = ((p     ) & 0x3) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
@@ -3516,25 +3614,35 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          {
             const GLubyte *ubsrc = (const GLubyte *) src;
             GLuint i;
+            if (!intFormat) {
+               rs = 1.0F / 7.0F;
+               gs = 1.0F / 7.0F;
+               bs = 1.0F / 3.0F;
+            }
             for (i = 0; i < n; i ++) {
                GLubyte p = ubsrc[i];
-               rgba[i][rComp] = ((p     ) & 0x7) * (1.0F / 7.0F);
-               rgba[i][gComp] = ((p >> 3) & 0x7) * (1.0F / 7.0F);
-               rgba[i][bComp] = ((p >> 6)      ) * (1.0F / 3.0F);
+               rgba[i][rComp] = ((p     ) & 0x7) * rs;
+               rgba[i][gComp] = ((p >> 3) & 0x7) * gs;
+               rgba[i][bComp] = ((p >> 6)      ) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_5_6_5:
+         if (!intFormat) {
+            rs = 1.0F / 31.0F;
+            gs = 1.0F / 63.0F;
+            bs = 1.0F / 31.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p >> 11)       ) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x3f) * (1.0F / 63.0F);
-               rgba[i][bComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
+               rgba[i][rComp] = ((p >> 11)       ) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x3f) * gs;
+               rgba[i][bComp] = ((p      ) & 0x1f) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
@@ -3543,23 +3651,28 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p >> 11)       ) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x3f) * (1.0F / 63.0F);
-               rgba[i][bComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
+               rgba[i][rComp] = ((p >> 11)       ) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x3f) * gs;
+               rgba[i][bComp] = ((p      ) & 0x1f) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_5_6_5_REV:
+         if (!intFormat) {
+            rs = 1.0F / 31.0F;
+            gs = 1.0F / 63.0F;
+            bs = 1.0F / 31.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x3f) * (1.0F / 63.0F);
-               rgba[i][bComp] = ((p >> 11)       ) * (1.0F / 31.0F);
+               rgba[i][rComp] = ((p      ) & 0x1f) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x3f) * gs;
+               rgba[i][bComp] = ((p >> 11)       ) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
@@ -3568,24 +3681,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x3f) * (1.0F / 63.0F);
-               rgba[i][bComp] = ((p >> 11)       ) * (1.0F / 31.0F);
+               rgba[i][rComp] = ((p      ) & 0x1f) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x3f) * gs;
+               rgba[i][bComp] = ((p >> 11)       ) * bs;
                rgba[i][aComp] = 1.0F;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_4_4_4_4:
+         if (!intFormat) {
+            rs = gs = bs = as = 1.0F / 15.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p >> 12)      ) * (1.0F / 15.0F);
-               rgba[i][gComp] = ((p >>  8) & 0xf) * (1.0F / 15.0F);
-               rgba[i][bComp] = ((p >>  4) & 0xf) * (1.0F / 15.0F);
-               rgba[i][aComp] = ((p      ) & 0xf) * (1.0F / 15.0F);
+               rgba[i][rComp] = ((p >> 12)      ) * rs;
+               rgba[i][gComp] = ((p >>  8) & 0xf) * gs;
+               rgba[i][bComp] = ((p >>  4) & 0xf) * bs;
+               rgba[i][aComp] = ((p      ) & 0xf) * as;
             }
          }
          else {
@@ -3593,24 +3709,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p >> 12)      ) * (1.0F / 15.0F);
-               rgba[i][gComp] = ((p >>  8) & 0xf) * (1.0F / 15.0F);
-               rgba[i][bComp] = ((p >>  4) & 0xf) * (1.0F / 15.0F);
-               rgba[i][aComp] = ((p      ) & 0xf) * (1.0F / 15.0F);
+               rgba[i][rComp] = ((p >> 12)      ) * rs;
+               rgba[i][gComp] = ((p >>  8) & 0xf) * gs;
+               rgba[i][bComp] = ((p >>  4) & 0xf) * bs;
+               rgba[i][aComp] = ((p      ) & 0xf) * as;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+         if (!intFormat) {
+            rs = gs = bs = as = 1.0F / 15.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p      ) & 0xf) * (1.0F / 15.0F);
-               rgba[i][gComp] = ((p >>  4) & 0xf) * (1.0F / 15.0F);
-               rgba[i][bComp] = ((p >>  8) & 0xf) * (1.0F / 15.0F);
-               rgba[i][aComp] = ((p >> 12)      ) * (1.0F / 15.0F);
+               rgba[i][rComp] = ((p      ) & 0xf) * rs;
+               rgba[i][gComp] = ((p >>  4) & 0xf) * gs;
+               rgba[i][bComp] = ((p >>  8) & 0xf) * bs;
+               rgba[i][aComp] = ((p >> 12)      ) * as;
             }
          }
          else {
@@ -3618,24 +3737,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p      ) & 0xf) * (1.0F / 15.0F);
-               rgba[i][gComp] = ((p >>  4) & 0xf) * (1.0F / 15.0F);
-               rgba[i][bComp] = ((p >>  8) & 0xf) * (1.0F / 15.0F);
-               rgba[i][aComp] = ((p >> 12)      ) * (1.0F / 15.0F);
+               rgba[i][rComp] = ((p      ) & 0xf) * rs;
+               rgba[i][gComp] = ((p >>  4) & 0xf) * gs;
+               rgba[i][bComp] = ((p >>  8) & 0xf) * bs;
+               rgba[i][aComp] = ((p >> 12)      ) * as;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_5_5_5_1:
+         if (!intFormat) {
+            rs = gs = bs = 1.0F / 31.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p >> 11)       ) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  6) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][bComp] = ((p >>  1) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][aComp] = ((p      ) & 0x1)  * (1.0F /  1.0F);
+               rgba[i][rComp] = ((p >> 11)       ) * rs;
+               rgba[i][gComp] = ((p >>  6) & 0x1f) * gs;
+               rgba[i][bComp] = ((p >>  1) & 0x1f) * bs;
+               rgba[i][aComp] = ((p      ) & 0x1)  * as;
             }
          }
          else {
@@ -3643,24 +3765,27 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p >> 11)       ) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  6) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][bComp] = ((p >>  1) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][aComp] = ((p      ) & 0x1)  * (1.0F /  1.0F);
+               rgba[i][rComp] = ((p >> 11)       ) * rs;
+               rgba[i][gComp] = ((p >>  6) & 0x1f) * gs;
+               rgba[i][bComp] = ((p >>  1) & 0x1f) * bs;
+               rgba[i][aComp] = ((p      ) & 0x1)  * as;
             }
          }
          break;
       case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+         if (!intFormat) {
+            rs = gs = bs = 1.0F / 31.0F;
+         }
          if (swapBytes) {
             const GLushort *ussrc = (const GLushort *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
                SWAP2BYTE(p);
-               rgba[i][rComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][aComp] = ((p >> 15)       ) * (1.0F /  1.0F);
+               rgba[i][rComp] = ((p      ) & 0x1f) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x1f) * gs;
+               rgba[i][bComp] = ((p >> 10) & 0x1f) * bs;
+               rgba[i][aComp] = ((p >> 15)       ) * as;
             }
          }
          else {
@@ -3668,10 +3793,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLushort p = ussrc[i];
-               rgba[i][rComp] = ((p      ) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][gComp] = ((p >>  5) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][bComp] = ((p >> 10) & 0x1f) * (1.0F / 31.0F);
-               rgba[i][aComp] = ((p >> 15)       ) * (1.0F /  1.0F);
+               rgba[i][rComp] = ((p      ) & 0x1f) * rs;
+               rgba[i][gComp] = ((p >>  5) & 0x1f) * gs;
+               rgba[i][bComp] = ((p >> 10) & 0x1f) * bs;
+               rgba[i][aComp] = ((p >> 15)       ) * as;
             }
          }
          break;
@@ -3679,23 +3804,45 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          if (swapBytes) {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
-            for (i = 0; i < n; i ++) {
-               GLuint p = uisrc[i];
-               rgba[i][rComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
-               rgba[i][gComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
-               rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
-               rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24)       );
+            if (intFormat) {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = (GLfloat) ((p      ) & 0xff);
+                  rgba[i][gComp] = (GLfloat) ((p >>  8) & 0xff);
+                  rgba[i][bComp] = (GLfloat) ((p >> 16) & 0xff);
+                  rgba[i][aComp] = (GLfloat) ((p >> 24)       );
+               }
+            }
+            else {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+                  rgba[i][gComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
+                  rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+                  rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24)       );
+               }
             }
          }
          else {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
-            for (i = 0; i < n; i ++) {
-               GLuint p = uisrc[i];
-               rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24)       );
-               rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
-               rgba[i][bComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
-               rgba[i][aComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+            if (intFormat) {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = (GLfloat) ((p >> 24)       );
+                  rgba[i][gComp] = (GLfloat) ((p >> 16) & 0xff);
+                  rgba[i][bComp] = (GLfloat) ((p >>  8) & 0xff);
+                  rgba[i][aComp] = (GLfloat) ((p      ) & 0xff);
+               }
+            }
+            else {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24)       );
+                  rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+                  rgba[i][bComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
+                  rgba[i][aComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+               }
             }
          }
          break;
@@ -3703,37 +3850,65 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
          if (swapBytes) {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
-            for (i = 0; i < n; i ++) {
-               GLuint p = uisrc[i];
-               rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24)       );
-               rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
-               rgba[i][bComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
-               rgba[i][aComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+            if (intFormat) {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = (GLfloat) ((p >> 24)       );
+                  rgba[i][gComp] = (GLfloat) ((p >> 16) & 0xff);
+                  rgba[i][bComp] = (GLfloat) ((p >>  8) & 0xff);
+                  rgba[i][aComp] = (GLfloat) ((p      ) & 0xff);
+               }
+            }
+            else {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = UBYTE_TO_FLOAT((p >> 24)       );
+                  rgba[i][gComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+                  rgba[i][bComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
+                  rgba[i][aComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+               }
             }
          }
          else {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
-            for (i = 0; i < n; i ++) {
-               GLuint p = uisrc[i];
-               rgba[i][rComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
-               rgba[i][gComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
-               rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
-               rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24)       );
+            if (intFormat) {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = (GLfloat) ((p      ) & 0xff);
+                  rgba[i][gComp] = (GLfloat) ((p >>  8) & 0xff);
+                  rgba[i][bComp] = (GLfloat) ((p >> 16) & 0xff);
+                  rgba[i][aComp] = (GLfloat) ((p >> 24)       );
+               }
+            }
+            else {
+               for (i = 0; i < n; i ++) {
+                  GLuint p = uisrc[i];
+                  rgba[i][rComp] = UBYTE_TO_FLOAT((p      ) & 0xff);
+                  rgba[i][gComp] = UBYTE_TO_FLOAT((p >>  8) & 0xff);
+                  rgba[i][bComp] = UBYTE_TO_FLOAT((p >> 16) & 0xff);
+                  rgba[i][aComp] = UBYTE_TO_FLOAT((p >> 24)       );
+               }
             }
          }
          break;
       case GL_UNSIGNED_INT_10_10_10_2:
+         if (!intFormat) {
+            rs = 1.0F / 1023.0F;
+            gs = 1.0F / 1023.0F;
+            bs = 1.0F / 1023.0F;
+            as = 1.0F / 3.0F;
+         }
          if (swapBytes) {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLuint p = uisrc[i];
                SWAP4BYTE(p);
-               rgba[i][rComp] = ((p >> 22)        ) * (1.0F / 1023.0F);
-               rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][bComp] = ((p >>  2) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][aComp] = ((p      ) & 0x3  ) * (1.0F /    3.0F);
+               rgba[i][rComp] = ((p >> 22)        ) * rs;
+               rgba[i][gComp] = ((p >> 12) & 0x3ff) * gs;
+               rgba[i][bComp] = ((p >>  2) & 0x3ff) * bs;
+               rgba[i][aComp] = ((p      ) & 0x3  ) * as;
             }
          }
          else {
@@ -3741,24 +3916,30 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLuint p = uisrc[i];
-               rgba[i][rComp] = ((p >> 22)        ) * (1.0F / 1023.0F);
-               rgba[i][gComp] = ((p >> 12) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][bComp] = ((p >>  2) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][aComp] = ((p      ) & 0x3  ) * (1.0F /    3.0F);
+               rgba[i][rComp] = ((p >> 22)        ) * rs;
+               rgba[i][gComp] = ((p >> 12) & 0x3ff) * gs;
+               rgba[i][bComp] = ((p >>  2) & 0x3ff) * bs;
+               rgba[i][aComp] = ((p      ) & 0x3  ) * as;
             }
          }
          break;
       case GL_UNSIGNED_INT_2_10_10_10_REV:
+         if (!intFormat) {
+            rs = 1.0F / 1023.0F;
+            gs = 1.0F / 1023.0F;
+            bs = 1.0F / 1023.0F;
+            as = 1.0F / 3.0F;
+         }
          if (swapBytes) {
             const GLuint *uisrc = (const GLuint *) src;
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLuint p = uisrc[i];
                SWAP4BYTE(p);
-               rgba[i][rComp] = ((p      ) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][aComp] = ((p >> 30)        ) * (1.0F /    3.0F);
+               rgba[i][rComp] = ((p      ) & 0x3ff) * rs;
+               rgba[i][gComp] = ((p >> 10) & 0x3ff) * gs;
+               rgba[i][bComp] = ((p >> 20) & 0x3ff) * bs;
+               rgba[i][aComp] = ((p >> 30)        ) * as;
             }
          }
          else {
@@ -3766,10 +3947,10 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
             GLuint i;
             for (i = 0; i < n; i ++) {
                GLuint p = uisrc[i];
-               rgba[i][rComp] = ((p      ) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][gComp] = ((p >> 10) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][bComp] = ((p >> 20) & 0x3ff) * (1.0F / 1023.0F);
-               rgba[i][aComp] = ((p >> 30)        ) * (1.0F /    3.0F);
+               rgba[i][rComp] = ((p      ) & 0x3ff) * rs;
+               rgba[i][gComp] = ((p >> 10) & 0x3ff) * gs;
+               rgba[i][bComp] = ((p >> 20) & 0x3ff) * bs;
+               rgba[i][aComp] = ((p >> 30)        ) * as;
             }
          }
          break;
@@ -4161,6 +4342,16 @@ _mesa_unpack_color_span_float( GLcontext *ctx,
           srcFormat == GL_RGBA ||
           srcFormat == GL_BGRA ||
           srcFormat == GL_ABGR_EXT ||
+          srcFormat == GL_RED_INTEGER_EXT ||
+          srcFormat == GL_GREEN_INTEGER_EXT ||
+          srcFormat == GL_BLUE_INTEGER_EXT ||
+          srcFormat == GL_ALPHA_INTEGER_EXT ||
+          srcFormat == GL_RGB_INTEGER_EXT ||
+          srcFormat == GL_RGBA_INTEGER_EXT ||
+          srcFormat == GL_BGR_INTEGER_EXT ||
+          srcFormat == GL_BGRA_INTEGER_EXT ||
+          srcFormat == GL_LUMINANCE_INTEGER_EXT ||
+          srcFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT ||
           srcFormat == GL_COLOR_INDEX);
 
    ASSERT(srcType == GL_BITMAP ||
diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 48582eb3bb..8b180d6bfe 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -79,6 +79,9 @@ extern GLboolean
 _mesa_is_dudv_format(GLenum format);
 
 extern GLboolean
+_mesa_is_integer_format(GLenum format);
+
+extern GLboolean
 _mesa_is_compressed_format(GLcontext *ctx, GLenum format);
 
 extern GLvoid *
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 24d29137b0..fe002082cc 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -552,6 +552,54 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_intensity_f16,
       store_texel_intensity_f16
    },
+
+   /* non-normalized, signed int */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      fetch_texel_1d_rgba_int8,
+      fetch_texel_2d_rgba_int8,
+      fetch_texel_3d_rgba_int8,
+      store_texel_rgba_int8
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      fetch_texel_1d_rgba_int16,
+      fetch_texel_2d_rgba_int16,
+      fetch_texel_3d_rgba_int16,
+      store_texel_rgba_int16
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      fetch_texel_1d_rgba_int32,
+      fetch_texel_2d_rgba_int32,
+      fetch_texel_3d_rgba_int32,
+      store_texel_rgba_int32
+   },
+
+   /* non-normalized, unsigned int */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      fetch_texel_1d_rgba_uint8,
+      fetch_texel_2d_rgba_uint8,
+      fetch_texel_3d_rgba_uint8,
+      store_texel_rgba_uint8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      fetch_texel_1d_rgba_uint16,
+      fetch_texel_2d_rgba_uint16,
+      fetch_texel_3d_rgba_uint16,
+      store_texel_rgba_uint16
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      fetch_texel_1d_rgba_uint32,
+      fetch_texel_2d_rgba_uint32,
+      fetch_texel_3d_rgba_uint32,
+      store_texel_rgba_uint32
+   },
+
+   /* dudv */
    {
       MESA_FORMAT_DUDV8,
       fetch_texel_1d_dudv8,
@@ -559,6 +607,8 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_dudv8,
       NULL
    },
+
+   /* signed, normalized */
    {
       MESA_FORMAT_SIGNED_R8,
       fetch_texel_1d_signed_r8,
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index e51fe3a577..f943554370 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -1195,6 +1195,174 @@ static void store_texel_sla8(struct gl_texture_image *texImage,
 #endif
 
 
+/* MESA_FORMAT_RGBA_INT8 **************************************************/
+
+static void
+FETCH(rgba_int8)(const struct gl_texture_image *texImage,
+                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int8(struct gl_texture_image *texImage,
+                      GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_INT16 **************************************************/
+
+static void
+FETCH(rgba_int16)(const struct gl_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int16(struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_INT32 **************************************************/
+
+static void
+FETCH(rgba_int32)(const struct gl_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int32(struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLint *rgba = (const GLint *) texel;
+   GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT8 **************************************************/
+
+static void
+FETCH(rgba_uint8)(const struct gl_texture_image *texImage,
+                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint8(struct gl_texture_image *texImage,
+                      GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT16 **************************************************/
+
+static void
+FETCH(rgba_uint16)(const struct gl_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint16(struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *rgba = (const GLushort *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT32 **************************************************/
+
+static void
+FETCH(rgba_uint32)(const struct gl_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint32(struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLuint *rgba = (const GLuint *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
 /* MESA_FORMAT_DUDV8 ********************************************************/
 
 /* this format by definition produces 0,0,0,1 as rgba values,
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index d235485721..b9271ef58e 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -382,6 +382,53 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
    }
 #endif /* FEATURE_EXT_texture_sRGB */
 
+   if (ctx->Extensions.EXT_texture_integer) {
+      switch (internalFormat) {
+      case GL_RGBA32UI_EXT:
+      case GL_RGB32UI_EXT:
+      case GL_ALPHA32UI_EXT:
+      case GL_INTENSITY32UI_EXT:
+      case GL_LUMINANCE32UI_EXT:
+      case GL_LUMINANCE_ALPHA32UI_EXT:
+         return MESA_FORMAT_RGBA_UINT32;
+      case GL_RGBA16UI_EXT:
+      case GL_RGB16UI_EXT:
+      case GL_ALPHA16UI_EXT:
+      case GL_INTENSITY16UI_EXT:
+      case GL_LUMINANCE16UI_EXT:
+      case GL_LUMINANCE_ALPHA16UI_EXT:
+         return MESA_FORMAT_RGBA_UINT16;
+      case GL_RGBA8UI_EXT:
+      case GL_RGB8UI_EXT:
+      case GL_ALPHA8UI_EXT:
+      case GL_INTENSITY8UI_EXT:
+      case GL_LUMINANCE8UI_EXT:
+      case GL_LUMINANCE_ALPHA8UI_EXT:
+         return MESA_FORMAT_RGBA_UINT8;
+      case GL_RGBA32I_EXT:
+      case GL_RGB32I_EXT:
+      case GL_ALPHA32I_EXT:
+      case GL_INTENSITY32I_EXT:
+      case GL_LUMINANCE32I_EXT:
+      case GL_LUMINANCE_ALPHA32I_EXT:
+         return MESA_FORMAT_RGBA_INT32;
+      case GL_RGBA16I_EXT:
+      case GL_RGB16I_EXT:
+      case GL_ALPHA16I_EXT:
+      case GL_INTENSITY16I_EXT:
+      case GL_LUMINANCE16I_EXT:
+      case GL_LUMINANCE_ALPHA16I_EXT:
+         return MESA_FORMAT_RGBA_INT16;
+      case GL_RGBA8I_EXT:
+      case GL_RGB8I_EXT:
+      case GL_ALPHA8I_EXT:
+      case GL_INTENSITY8I_EXT:
+      case GL_LUMINANCE8I_EXT:
+      case GL_LUMINANCE_ALPHA8I_EXT:
+         return MESA_FORMAT_RGBA_INT8;
+      }
+   }
+
    _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
    return MESA_FORMAT_NONE;
 }
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index ff752155ea..f307322010 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -348,12 +348,60 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
       case GL_SLUMINANCE8_EXT:
          return GL_LUMINANCE;
       default:
-            ; /* fallthrough */
+         ; /* fallthrough */
       }
    }
-
 #endif /* FEATURE_EXT_texture_sRGB */
 
+   if (ctx->Extensions.EXT_texture_integer) {
+      switch (internalFormat) {
+      case GL_RGBA8UI_EXT:
+      case GL_RGBA16UI_EXT:
+      case GL_RGBA32UI_EXT:
+      case GL_RGBA8I_EXT:
+      case GL_RGBA16I_EXT:
+      case GL_RGBA32I_EXT:
+         return GL_RGBA;
+      case GL_RGB8UI_EXT:
+      case GL_RGB16UI_EXT:
+      case GL_RGB32UI_EXT:
+      case GL_RGB8I_EXT:
+      case GL_RGB16I_EXT:
+      case GL_RGB32I_EXT:
+         return GL_RGB;
+      case GL_ALPHA8UI_EXT:
+      case GL_ALPHA16UI_EXT:
+      case GL_ALPHA32UI_EXT:
+      case GL_ALPHA8I_EXT:
+      case GL_ALPHA16I_EXT:
+      case GL_ALPHA32I_EXT:
+         return GL_ALPHA;
+      case GL_INTENSITY8UI_EXT:
+      case GL_INTENSITY16UI_EXT:
+      case GL_INTENSITY32UI_EXT:
+      case GL_INTENSITY8I_EXT:
+      case GL_INTENSITY16I_EXT:
+      case GL_INTENSITY32I_EXT:
+         return GL_INTENSITY;
+      case GL_LUMINANCE8UI_EXT:
+      case GL_LUMINANCE16UI_EXT:
+      case GL_LUMINANCE32UI_EXT:
+      case GL_LUMINANCE8I_EXT:
+      case GL_LUMINANCE16I_EXT:
+      case GL_LUMINANCE32I_EXT:
+         return GL_LUMINANCE;
+      case GL_LUMINANCE_ALPHA8UI_EXT:
+      case GL_LUMINANCE_ALPHA16UI_EXT:
+      case GL_LUMINANCE_ALPHA32UI_EXT:
+      case GL_LUMINANCE_ALPHA8I_EXT:
+      case GL_LUMINANCE_ALPHA16I_EXT:
+      case GL_LUMINANCE_ALPHA32I_EXT:
+         return GL_LUMINANCE_ALPHA;
+      default:
+         ; /* fallthrough */
+      }
+   }
+
    return -1; /* error */
 }
 
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index ce05652c93..0f21395af3 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -3278,6 +3278,392 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
 }
 
 
+/* non-normalized, signed int8 */
+static GLboolean
+_mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLbyte));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLbyte *dstTexel = (GLbyte *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLbyte) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, signed int16 */
+static GLboolean
+_mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLshort));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLshort *dstTexel = (GLshort *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLint) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, signed int32 */
+static GLboolean
+_mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLint));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLint *dstTexel = (GLint *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLint) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int8 */
+static GLboolean
+_mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLubyte));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLubyte *dstTexel = (GLubyte *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLubyte) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int16 */
+static GLboolean
+_mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLushort));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstTexel = (GLushort *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLushort) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int32 */
+static GLboolean
+_mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLuint));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstTexel = (GLuint *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLuint) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+
+
 #if FEATURE_EXT_texture_sRGB
 static GLboolean
 _mesa_texstore_srgb8(TEXSTORE_PARAMS)
@@ -3472,6 +3858,14 @@ texstore_funcs[MESA_FORMAT_COUNT] =
    { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
    { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
    { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
+
+   { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 },
+   { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },
+   { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 },
+   { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 },
+   { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 },
+   { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 },
+
    { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
 
    { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 },