Merge branch '7.8'

21 files changed, 49 insertions, 87 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 890ae513397..75c98825b79 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -698,7 +698,7 @@ setupLoaderExtensions(__DRIscreen *psp,
  * \param drm_version Version of the kernel DRM.
  * \param frame_buffer Data describing the location and layout of the
  *                     framebuffer.
- * \param pSAREA       Pointer the the SAREA.
+ * \param pSAREA       Pointer to the SAREA.
  * \param fd           Device handle for the DRM.
  * \param extensions   ??
  * \param driver_modes  Returns modes suppoted by the driver
diff --git a/src/mesa/drivers/dri/r128/r128_tex.c b/src/mesa/drivers/dri/r128/r128_tex.c
index 24fbf8f5194..4ec4be9a47b 100644
--- a/src/mesa/drivers/dri/r128/r128_tex.c
+++ b/src/mesa/drivers/dri/r128/r128_tex.c
@@ -468,7 +468,7 @@ static void r128TexEnv( GLcontext *ctx, GLenum target,
 	  * certain point.  It is better than completely ignoring the LOD
 	  * bias.  Unfortunately there isn't much range in the bias, the
 	  * spec mentions strides that vary between 0.5 and 2.0 but these
-	  * numbers don't seem to relate the the GL LOD bias value at all.
+	  * numbers don't seem to relate to the GL LOD bias value at all.
 	  */
 	 if ( param[0] >= 1.0 ) {
 	    bias = -128;
diff --git a/src/mesa/drivers/dri/r200/r200_reg.h b/src/mesa/drivers/dri/r200/r200_reg.h
index 2e52c7c13ff..e331be223b8 100644
--- a/src/mesa/drivers/dri/r200/r200_reg.h
+++ b/src/mesa/drivers/dri/r200/r200_reg.h
@@ -690,7 +690,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #       define R200_PVS_CNTL_1_PROGRAM_START_SHIFT   0
 #       define R200_PVS_CNTL_1_POS_END_SHIFT         10
 #       define R200_PVS_CNTL_1_PROGRAM_END_SHIFT     20
-/* Addresses are relative the the vertex program parameters area. */
+/* Addresses are relative to the vertex program parameters area. */
 #define R200_VAP_PVS_CNTL_2                 0x22d4
 #       define R200_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0
 #       define R200_PVS_CNTL_2_PARAM_COUNT_SHIFT  16
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h
index d18ebab8ff2..ac93563ed9e 100644
--- a/src/mesa/drivers/dri/r300/r300_reg.h
+++ b/src/mesa/drivers/dri/r300/r300_reg.h
@@ -482,7 +482,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #       define R300_PVS_FIRST_INST_SHIFT         0
 #       define R300_PVS_XYZW_VALID_INST_SHIFT    10
 #       define R300_PVS_LAST_INST_SHIFT          20
-/* Addresses are relative the the vertex program parameters area. */
+/* Addresses are relative to the vertex program parameters area. */
 #define R300_VAP_PVS_CONST_CNTL             0x22D4
 #       define R300_PVS_CONST_BASE_OFFSET_SHIFT  0
 #       define R300_PVS_MAX_CONST_ADDR_SHIFT     16
@@ -1760,7 +1760,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  * The destination register index is in FPI1 (color) and FPI3 (alpha)
  * together with enable bits.
  * There are separate enable bits for writing into temporary registers
- * (DSTC_REG_* /DSTA_REG) and and program output registers (DSTC_OUTPUT_*
+ * (DSTC_REG_* /DSTA_REG) and program output registers (DSTC_OUTPUT_*
  * /DSTA_OUTPUT). You can write to both at once, or not write at all (the
  * same index must be used for both).
  *
diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index 07e0adc8905..05c65164d60 100644
--- a/src/mesa/drivers/dri/r600/r700_vertprog.c
+++ b/src/mesa/drivers/dri/r600/r700_vertprog.c
@@ -42,7 +42,7 @@
 #include "radeon_debug.h"
 #include "r600_context.h"
 #include "r600_cmdbuf.h"
-#include "shader/programopt.c"
+#include "shader/programopt.h"
 
 #include "r700_debug.h"
 #include "r700_vertprog.h"
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
index 78c5f5dd572..7f5fb99fa4f 100644
--- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
@@ -553,6 +553,8 @@ static radeon_mipmap_tree * get_biggest_matching_miptree(radeonTexObj *texObj,
 	}
 
 	if (mtCount == 0) {
+		free(mtSizes);
+		free(mts);
 		return NULL;
 	}
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c
index ebae0792aa5..0afbc19c127 100644
--- a/src/mesa/drivers/dri/radeon/radeon_state.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state.c
@@ -1901,7 +1901,7 @@ void radeonUploadTexMatrix( r100ContextPtr rmesa,
    So: if we need the q coord in the end (solely determined by the texture
    target, i.e. 2d / 1d / texrect targets) we swap the third and 4th row.
    Additionally, if we don't have texgen but 4 tex coords submitted, we swap
-   column 3 and 4 (for the 2d / 1d / texrect targets) since the the q coord
+   column 3 and 4 (for the 2d / 1d / texrect targets) since the q coord
    will get submitted in the "wrong", i.e. 3rd, slot.
    If an app submits 3 coords for 2d targets, we assume it is saving on vertex
    size and using the texture matrix to swap the r and q coords around (ut2k3
diff --git a/src/mesa/drivers/x11/xmesa.h b/src/mesa/drivers/x11/xmesa.h
index 98139af8336..f63626a9702 100644
--- a/src/mesa/drivers/x11/xmesa.h
+++ b/src/mesa/drivers/x11/xmesa.h
@@ -287,7 +287,7 @@ extern void XMesaCopySubBuffer( XMesaBuffer b,
 
 
 /*
- * Return a pointer to the the Pixmap or XImage being used as the back
+ * Return a pointer to the Pixmap or XImage being used as the back
  * color buffer of an XMesaBuffer.  This function is a way to get "under
  * the hood" of X/Mesa so one can manipulate the back buffer directly.
  * Input:  b - the XMesaBuffer
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index 3ffd7661e35..e0a6908228d 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -431,7 +431,7 @@ extern const int xmesa_kernel8[DITH_DY * DITH_DX];
  * If pixelformat==PF_HPCR:
  *
  *      HP Color Recovery dithering               ([email protected] 30/08/95)
- *      HP has on it's 8-bit 700-series computers, a feature called
+ *      HP has on its 8-bit 700-series computers, a feature called
  *      'Color Recovery'.  This allows near 24-bit output (so they say).
  *      It is enabled by selecting the 8-bit  TrueColor  visual AND
  *      corresponding  colormap (see tkInitWindow) AND doing some special
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 197de09b22a..7c02faaa535 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -1072,7 +1072,7 @@ struct dd_function_table {
  * These are the initial values to be installed into dispatch by
  * mesa.  If the T&L driver wants to modify the dispatch table
  * while installed, it must do so itself.  It would be possible for
- * the vertexformat to install it's own initial values for these
+ * the vertexformat to install its own initial values for these
  * functions, but this way there is an obvious list of what is
  * expected of the driver.
  *
diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c
index 149853f7acd..04acf05e528 100644
--- a/src/mesa/main/texcompress_fxt1.c
+++ b/src/mesa/main/texcompress_fxt1.c
@@ -476,7 +476,7 @@ fxt1_lloyd (GLfloat vec[][MAX_COMP], GLint nv,
     *     for each sample color
     *         sort to nearest vector.
     *
-    *     replace each vector with the centroid of it's matching colors.
+    *     replace each vector with the centroid of its matching colors.
     *
     *     repeat until RMS doesn't improve.
     *
diff --git a/src/mesa/math/m_debug_util.h b/src/mesa/math/m_debug_util.h
index 2e67db8e55d..ed11c849ece 100644
--- a/src/mesa/math/m_debug_util.h
+++ b/src/mesa/math/m_debug_util.h
@@ -61,7 +61,7 @@ extern long counter_overhead;
  */
 extern char *mesa_profile;
 
-/* Modify the the number of tests if you like.
+/* Modify the number of tests if you like.
  * We take the minimum of all results, because every error should be
  * positive (time used by other processes, task switches etc).
  * It is assumed that all calculations are done in the cache.
diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c
index ef8a40fbecb..4b33d0bbb37 100644
--- a/src/mesa/math/m_matrix.c
+++ b/src/mesa/math/m_matrix.c
@@ -889,7 +889,7 @@ _math_matrix_rotate( GLmatrix *mat,
        *  Y-axis to bring the axis vector parallel with the X-axis.  The
        *  rotation about the X-axis is then performed.  Ry and Rz are
        *  simply the respective inverse transforms to bring the arbitrary
-       *  axis back to it's original orientation.  The first transforms
+       *  axis back to its original orientation.  The first transforms
        *  Rz' and Ry' are considered inverses, since the data from the
        *  arbitrary axis gives you info on how to get to it, not how
        *  to get away from it, and an inverse must be applied.
diff --git a/src/mesa/shader/lex.yy.c b/src/mesa/shader/lex.yy.c
index d1af35fedb6..a08617ff8d4 100644
--- a/src/mesa/shader/lex.yy.c
+++ b/src/mesa/shader/lex.yy.c
@@ -53,6 +53,7 @@ typedef int flex_int32_t;
 typedef unsigned char flex_uint8_t; 
 typedef unsigned short int flex_uint16_t;
 typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
 
 /* Limits of integral types. */
 #ifndef INT8_MIN
@@ -83,8 +84,6 @@ typedef unsigned int flex_uint32_t;
 #define UINT32_MAX             (4294967295U)
 #endif
 
-#endif /* ! C99 */
-
 #endif /* ! FLEXINT_H */
 
 #ifdef __cplusplus
@@ -158,15 +157,7 @@ typedef void* yyscan_t;
 
 /* Size of default input buffer. */
 #ifndef YY_BUF_SIZE
-#ifdef __ia64__
-/* On IA-64, the buffer size is 16k, not 8k.
- * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
- * Ditto for the __ia64__ case accordingly.
- */
-#define YY_BUF_SIZE 32768
-#else
 #define YY_BUF_SIZE 16384
-#endif /* __ia64__ */
 #endif
 
 /* The state buf must be large enough to hold one state per character in the main buffer.
@@ -1161,7 +1152,7 @@ handle_ident(struct asm_parser_state *state, const char *text, YYSTYPE *lval)
    } while(0);
 
 #define YY_EXTRA_TYPE struct asm_parser_state *
-#line 1165 "lex.yy.c"
+#line 1156 "lex.yy.c"
 
 #define INITIAL 0
 
@@ -1298,12 +1289,7 @@ static int input (yyscan_t yyscanner );
 
 /* Amount of stuff to slurp up with each read. */
 #ifndef YY_READ_BUF_SIZE
-#ifdef __ia64__
-/* On IA-64, the buffer size is 16k, not 8k */
-#define YY_READ_BUF_SIZE 16384
-#else
 #define YY_READ_BUF_SIZE 8192
-#endif /* __ia64__ */
 #endif
 
 /* Copy whatever the last rule matched to the standard output. */
@@ -1311,7 +1297,7 @@ static int input (yyscan_t yyscanner );
 /* This used to be an fputs(), but since the string might contain NUL's,
  * we now use fwrite().
  */
-#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
+#define ECHO fwrite( yytext, yyleng, 1, yyout )
 #endif
 
 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
@@ -1322,7 +1308,7 @@ static int input (yyscan_t yyscanner );
 	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
 		{ \
 		int c = '*'; \
-		size_t n; \
+		unsigned n; \
 		for ( n = 0; n < max_size && \
 			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
 			buf[n] = (char) c; \
@@ -1410,7 +1396,7 @@ YY_DECL
 #line 157 "program_lexer.l"
 
 
-#line 1414 "lex.yy.c"
+#line 1400 "lex.yy.c"
 
     yylval = yylval_param;
 
@@ -2212,7 +2198,7 @@ case 142:
 YY_RULE_SETUP
 #line 326 "program_lexer.l"
 {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 	YY_BREAK
@@ -2224,7 +2210,7 @@ YY_DO_BEFORE_ACTION; /* set up yytext again */
 YY_RULE_SETUP
 #line 330 "program_lexer.l"
 {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 	YY_BREAK
@@ -2232,7 +2218,7 @@ case 144:
 YY_RULE_SETUP
 #line 334 "program_lexer.l"
 {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 	YY_BREAK
@@ -2240,7 +2226,7 @@ case 145:
 YY_RULE_SETUP
 #line 338 "program_lexer.l"
 {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 	YY_BREAK
@@ -2474,7 +2460,7 @@ YY_RULE_SETUP
 #line 481 "program_lexer.l"
 ECHO;
 	YY_BREAK
-#line 2478 "lex.yy.c"
+#line 2464 "lex.yy.c"
 case YY_STATE_EOF(INITIAL):
 	yyterminate();
 
@@ -3242,8 +3228,8 @@ YY_BUFFER_STATE yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
 
 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
  * scan from a @e copy of @a bytes.
- * @param yybytes the byte buffer to scan
- * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
  * @param yyscanner The scanner object.
  * @return the newly allocated buffer state object.
  */
diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
index 224350caac6..28c797a4ba8 100644
--- a/src/mesa/shader/prog_instruction.h
+++ b/src/mesa/shader/prog_instruction.h
@@ -97,8 +97,8 @@
 #define COND_EQ  2  /**< equal to zero */
 #define COND_LT  3  /**< less than zero */
 #define COND_UN  4  /**< unordered (NaN) */
-#define COND_GE  5  /**< greater then or equal to zero */
-#define COND_LE  6  /**< less then or equal to zero */
+#define COND_GE  5  /**< greater than or equal to zero */
+#define COND_LE  6  /**< less than or equal to zero */
 #define COND_NE  7  /**< not equal to zero */
 #define COND_TR  8  /**< always true */
 #define COND_FL  9  /**< always false */
diff --git a/src/mesa/shader/program_lexer.l b/src/mesa/shader/program_lexer.l
index 83bc5089d9e..b00765793dc 100644
--- a/src/mesa/shader/program_lexer.l
+++ b/src/mesa/shader/program_lexer.l
@@ -324,19 +324,19 @@ ARRAYSHADOW2D             { return_token_or_IDENTIFIER(require_ARB_fp && require
    return INTEGER;
 }
 {num}?{frac}{exp}?        {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 {num}"."/[^.]             {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 {num}{exp}                {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 {num}"."{exp}             {
-   yylval->real = _mesa_strtod(yytext, NULL);
+   yylval->real = (float) _mesa_strtod(yytext, NULL);
    return REAL;
 }
 
diff --git a/src/mesa/shader/program_parser.h b/src/mesa/shader/program_parser.h
index 730466c30f5..be952d4b9c8 100644
--- a/src/mesa/shader/program_parser.h
+++ b/src/mesa/shader/program_parser.h
@@ -62,7 +62,7 @@ struct asm_symbol {
     */
    unsigned param_binding_swizzle;
 
-   /* This is how many entries in the the program_parameter_list we take up
+   /* This is how many entries in the program_parameter_list we take up
     * with our state tokens or constants. Note that this is _not_ the same as
     * the number of param registers we eventually use.
     */
diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 8b7771c2846..a25ca55bc42 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -695,7 +695,7 @@ vec3 normalize(const vec3 v)
 {
 //   const float s = inversesqrt(dot(v, v));
 //   __retVal = v * s;
-// XXX note, we _could_ use __retVal.w instead of tmp and and save a
+// XXX note, we _could_ use __retVal.w instead of tmp and save a
 // register, but that's actually a compilation error because v is a vec3
 // and the .w suffix is illegal.  Oh well.
    float tmp;
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 1d35e8d6574..0a91183f89d 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -167,9 +167,7 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
                            uint surfIndex, struct pipe_surface *surf)
 {
    GET_CURRENT_CONTEXT(ctx);
-   static const GLuint invalid_size = 9999999;
    struct st_renderbuffer *strb;
-   GLuint width, height, i;
 
    /* sanity checks */
    assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
@@ -183,18 +181,17 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
    strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
 
    if (!strb) {
-      if (surfIndex == ST_SURFACE_FRONT_LEFT) {
-         /* Delayed creation when the window system supplies a fake front buffer */
-         struct st_renderbuffer *strb_back
-            = st_renderbuffer(stfb->Base.Attachment[ST_SURFACE_BACK_LEFT].Renderbuffer);
-         struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(surf->format, strb_back->Base.NumSamples, FALSE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
-         strb = st_renderbuffer(rb);
-      } else {
-         /* fail */
+      /* create new renderbuffer for this surface now */
+      const GLuint numSamples = stfb->Base.Visual.samples;
+      struct gl_renderbuffer *rb =
+         st_new_renderbuffer_fb(surf->format, numSamples, FALSE);
+      if (!rb) {
+         /* out of memory */
+         _mesa_warning(ctx, "Out of memory allocating renderbuffer");
          return;
       }
+      _mesa_add_renderbuffer(&stfb->Base, surfIndex, rb);
+      strb = st_renderbuffer(rb);
    }
 
    /* replace the renderbuffer's surface/texture pointers */
@@ -206,39 +203,16 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
        * But when we do, we need to start setting this dirty bit
        * to ensure the renderbuffer attachements are up-to-date
        * via update_framebuffer.
+       * Core Mesa's state validation will update the parent framebuffer's
+       * size info, etc.
        */
       ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER;
+      ctx->NewState |= _NEW_BUFFERS;
    }
 
    /* update renderbuffer's width/height */
    strb->Base.Width = surf->width;
    strb->Base.Height = surf->height;
-
-   /* Try to update the framebuffer's width/height from the renderbuffer
-    * sizes.  Before we start drawing, all the rbs _should_ be the same size.
-    */
-   width = height = invalid_size;
-   for (i = 0; i < BUFFER_COUNT; i++) {
-      if (stfb->Base.Attachment[i].Renderbuffer) {
-         if (width == invalid_size) {
-            width = stfb->Base.Attachment[i].Renderbuffer->Width;
-            height = stfb->Base.Attachment[i].Renderbuffer->Height;
-         }
-         else if (width != stfb->Base.Attachment[i].Renderbuffer->Width ||
-                  height != stfb->Base.Attachment[i].Renderbuffer->Height) {
-            /* inconsistant renderbuffer sizes, bail out */
-            return;
-         }
-      }
-   }
-
-   if (width != invalid_size) {
-      /* OK, the renderbuffers are of a consistant size, so update the
-       * parent framebuffer's size.
-       */
-      stfb->Base.Width = width;
-      stfb->Base.Height = height;
-   }
 }
 
 
diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c
index 3e36cf9a7e5..ed637cac124 100644
--- a/src/mesa/swrast/s_depth.c
+++ b/src/mesa/swrast/s_depth.c
@@ -526,7 +526,7 @@ _swrast_depth_clamp_span( GLcontext *ctx, SWspan *span )
 
    /* Convert floating point values in [0,1] to device Z coordinates in
     * [0, DepthMax].
-    * ex: If the the Z buffer has 24 bits, DepthMax = 0xffffff.
+    * ex: If the Z buffer has 24 bits, DepthMax = 0xffffff.
     * 
     * XXX this all falls apart if we have 31 or more bits of Z because
     * the triangle rasterization code produces unsigned Z values.  Negative
diff --git a/src/mesa/vbo/vbo_save_loopback.c b/src/mesa/vbo/vbo_save_loopback.c
index f253c854d2b..3f581ea02da 100644
--- a/src/mesa/vbo/vbo_save_loopback.c
+++ b/src/mesa/vbo/vbo_save_loopback.c
@@ -78,7 +78,7 @@ struct loopback_attr {
 };
 
 /* Don't emit ends and begins on wrapped primitives.  Don't replay
- * wrapped vertices.  If we get here, it's probably because the the
+ * wrapped vertices.  If we get here, it's probably because the
  * precalculated wrapping is wrong.
  */
 static void loopback_prim( GLcontext *ctx,