}
}
+/**
+ * Is the given format an integer format?
+ */
+GLboolean
+_mesa_is_format_integer(mesa_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT);
+}
/**
* Return color encoding for given format.
case MESA_FORMAT_L_UNORM16:
return format == GL_LUMINANCE && type == GL_UNSIGNED_SHORT && !swapBytes;
case MESA_FORMAT_I_UNORM8:
- return format == GL_INTENSITY && type == GL_UNSIGNED_BYTE;
+ return format == GL_RED && type == GL_UNSIGNED_BYTE;
case MESA_FORMAT_I_UNORM16:
- return format == GL_INTENSITY && type == GL_UNSIGNED_SHORT && !swapBytes;
+ return format == GL_RED && type == GL_UNSIGNED_SHORT && !swapBytes;
case MESA_FORMAT_YCBCR:
return format == GL_YCBCR_MESA &&
return format == GL_LUMINANCE_ALPHA && type == GL_HALF_FLOAT && !swapBytes;
case MESA_FORMAT_I_FLOAT32:
- return format == GL_INTENSITY && type == GL_FLOAT && !swapBytes;
+ return format == GL_RED && type == GL_FLOAT && !swapBytes;
case MESA_FORMAT_I_FLOAT16:
- return format == GL_INTENSITY && type == GL_HALF_FLOAT && !swapBytes;
+ return format == GL_RED && type == GL_HALF_FLOAT && !swapBytes;
case MESA_FORMAT_R_FLOAT32:
return format == GL_RED && type == GL_FLOAT && !swapBytes;
return format == GL_ALPHA_INTEGER && type == GL_INT && !swapBytes;
case MESA_FORMAT_I_UINT8:
+ return format == GL_RED_INTEGER && type == GL_UNSIGNED_BYTE;
case MESA_FORMAT_I_UINT16:
+ return format == GL_RED_INTEGER && type == GL_UNSIGNED_SHORT && !swapBytes;
case MESA_FORMAT_I_UINT32:
+ return format == GL_RED_INTEGER && type == GL_UNSIGNED_INT && !swapBytes;
case MESA_FORMAT_I_SINT8:
+ return format == GL_RED_INTEGER && type == GL_BYTE;
case MESA_FORMAT_I_SINT16:
+ return format == GL_RED_INTEGER && type == GL_SHORT && !swapBytes;
case MESA_FORMAT_I_SINT32:
- /* GL_INTENSITY_INTEGER_EXT doesn't exist. */
- return GL_FALSE;
+ return format == GL_RED_INTEGER && type == GL_INT && !swapBytes;
case MESA_FORMAT_L_UINT8:
return format == GL_LUMINANCE_INTEGER_EXT && type == GL_UNSIGNED_BYTE;
return format == GL_LUMINANCE_ALPHA && type == GL_BYTE &&
littleEndian && !swapBytes;
case MESA_FORMAT_I_SNORM8:
- return format == GL_INTENSITY && type == GL_BYTE;
+ return format == GL_RED && type == GL_BYTE;
case MESA_FORMAT_A_SNORM16:
return format == GL_ALPHA && type == GL_SHORT && !swapBytes;
case MESA_FORMAT_L_SNORM16:
return format == GL_LUMINANCE_ALPHA && type == GL_SHORT &&
littleEndian && !swapBytes;
case MESA_FORMAT_I_SNORM16:
- return format == GL_INTENSITY && type == GL_SHORT && littleEndian &&
+ return format == GL_RED && type == GL_SHORT && littleEndian &&
!swapBytes;
case MESA_FORMAT_B10G10R10A2_UINT: