fix problems found with gcc 2.96 (bug 4934)

7 files changed, 55 insertions, 21 deletions

diff --git a/src/mesa/drivers/dri/r200/r200_swtcl.c b/src/mesa/drivers/dri/r200/r200_swtcl.c
index 826c668b8d..58879a5901 100644
--- a/src/mesa/drivers/dri/r200/r200_swtcl.c
+++ b/src/mesa/drivers/dri/r200/r200_swtcl.c
@@ -219,6 +219,8 @@ void r200ChooseVertexState( GLcontext *ctx )
 {
    r200ContextPtr rmesa = R200_CONTEXT( ctx );
    TNLcontext *tnl = TNL_CONTEXT(ctx);
+   GLuint vte;
+   GLuint vap;
 
    /* We must ensure that we don't do _tnl_need_projected_coords while in a
     * rasterization fallback.  As this function will be called again when we
@@ -227,8 +229,8 @@ void r200ChooseVertexState( GLcontext *ctx )
    if (rmesa->Fallback != 0)
       return;
 
-   GLuint vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
-   GLuint vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
+   vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
+   vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
 
    /* HW perspective divide is a win, but tiny vertex formats are a
     * bigger one.
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index c2733f3db3..376f680503 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -620,12 +620,13 @@ void r300EmitWait(r300ContextPtr rmesa, GLuint flags)
 
 void r300EmitAOS(r300ContextPtr rmesa, GLuint nr, GLuint offset)
 {
-	if (RADEON_DEBUG & DEBUG_VERTS)
-	    fprintf(stderr, "%s: nr=%d, ofs=0x%08x\n", __func__, nr, offset);
     int sz = 1 + (nr >> 1) * 3 + (nr & 1) * 2;
     int i;
     LOCAL_VARS
 
+    if (RADEON_DEBUG & DEBUG_VERTS)
+	fprintf(stderr, "%s: nr=%d, ofs=0x%08x\n", __func__, nr, offset);
+
     start_packet3(RADEON_CP_PACKET3_3D_LOAD_VBPNTR, sz-1);
     e32(nr);
     for(i=0;i+1<nr;i+=2){
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 4236bdbcca..35b254616b 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -277,9 +277,9 @@ static void free_temp(struct r300_fragment_program *rp, pfs_reg_t r)
 static pfs_reg_t emit_param4fv(struct r300_fragment_program *rp, GLfloat *values)
 {
 	pfs_reg_t r = pfs_default_reg;
-		r.type = REG_TYPE_CONST;
 	int pidx;
 
+	r.type = REG_TYPE_CONST;
 	pidx = rp->param_nr++;
 	r.index = rp->const_nr++;
 	if (pidx >= PFS_NUM_CONST_REGS || r.index >= PFS_NUM_CONST_REGS) {
@@ -626,6 +626,7 @@ static void emit_arith(struct r300_fragment_program *rp, int op,
 	int argc;
 	int vop, sop;
 	int i;
+	int str;
 	
 	if (!dest.valid || !src0.valid || !src1.valid || !src2.valid) {
 		ERROR("invalid register.  dest/src0/src1/src2 valid = %d/%d/%d/%d\n",
@@ -657,7 +658,6 @@ static void emit_arith(struct r300_fragment_program *rp, int op,
 		return;
 	}
 	
-	int str;
 	for (i=0;i<3;i++) {
 		if (i<argc) {
 			hwsrc = t_hw_src(rp, src[i]);
diff --git a/src/mesa/drivers/dri/radeon/radeon_swtcl.c b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
index 7a97cf0ce6..1a737ebe61 100644
--- a/src/mesa/drivers/dri/radeon/radeon_swtcl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
@@ -391,7 +391,7 @@ radeonDmaPrimitive( radeonContextPtr rmesa, GLenum prim )
    assert(rmesa->dma.current.ptr == rmesa->dma.current.start);
 }
 
-#define LOCAL_VARS radeonContextPtr rmesa = RADEON_CONTEXT(ctx); (void)rmesa
+#define LOCAL_VARS radeonContextPtr rmesa = RADEON_CONTEXT(ctx)
 #define INIT( prim ) radeonDmaPrimitive( rmesa, prim )
 #define FLUSH()  RADEON_NEWPRIM( rmesa )
 #define GET_CURRENT_VB_MAX_VERTS() \
diff --git a/src/mesa/drivers/dri/s3v/s3v_tritmp.h b/src/mesa/drivers/dri/s3v/s3v_tritmp.h
index b2136fcb38..16318f4c40 100644
--- a/src/mesa/drivers/dri/s3v/s3v_tritmp.h
+++ b/src/mesa/drivers/dri/s3v/s3v_tritmp.h
@@ -17,7 +17,8 @@
         int start02, end01; \
         int ystart, y01y12; \
         int i, tmp, tmp2, tmp3; \
-        GLfloat ydiff, fy[3]; \
+        GLfloat ydiff, fy[3]
+#define LINE_VERT_VARS_VOIDS \
         (void) v; (void) vvv; (void) x; (void) y; (void) z; (void) idx; \
         (void) dx01; (void) dy01; (void) delt02; (void) deltzy; \
         (void) zstart; (void) start02; (void) ystart; (void) y01y12; \
@@ -26,7 +27,8 @@
 #define LINE_FLAT_VARS \
         int arstart, gbstart; \
         int deltarx, deltgbx, deltary, deltgby; \
-        GLubyte *(col)[3]; \
+        GLubyte *(col)[3]
+#define LINE_FLAT_VARS_VOIDS \
         (void) arstart; (void) gbstart; (void) deltarx; (void) deltgbx; \
         (void) deltary; (void) deltgby; (void) col
 
@@ -34,7 +36,8 @@
         int arstart, gbstart; \
         int deltary, deltgby; \
         int ctmp, ctmp2, ctmp3, ctmp4; \
-        GLubyte *(col)[3]; \
+        GLubyte *(col)[3]
+#define LINE_GOURAUD_VARS_VOIDS \
         (void) arstart; (void) gbstart; (void) deltary; (void) deltgby; \
         (void) ctmp; (void) ctmp2; (void) ctmp3; (void) ctmp4; (void) col
 
@@ -207,7 +210,8 @@ do { \
         int start02, end01, end12; \
         int ystart, y01y12; \
         int i, tmp, lr; \
-        GLfloat ydiff, fy[3]; \
+        GLfloat ydiff, fy[3]
+#define VERT_VARS_VOIDS \
         (void) v; (void) x; (void) y; (void) z; (void) idx; (void) dx01; \
         (void) dy01; (void) dx02; (void) dy02; (void) dx12; (void) dy12; \
         (void) delt01; (void) delt02; (void) delt12; (void) deltzx; \
@@ -219,7 +223,8 @@ do { \
         int arstart, gbstart; \
         int deltarx, deltgbx, deltary, deltgby; \
         int ctmp, ctmp2, ctmp3, ctmp4; \
-        GLubyte *(col)[3]; \
+        GLubyte *(col)[3]
+#define GOURAUD_VARS_VOIDS \
         (void) arstart; (void) gbstart; (void) deltarx; (void) deltgbx; \
         (void) deltary; (void) deltgby; (void) ctmp; (void) ctmp2; \
         (void) ctmp3; (void) ctmp4; (void) col
@@ -227,7 +232,8 @@ do { \
 #define FLAT_VARS \
         int arstart, gbstart; \
         int deltarx, deltgbx, deltary, deltgby; \
-        GLubyte *(col)[3]; \
+        GLubyte *(col)[3]
+#define FLAT_VARS_VOIDS \
         (void) arstart; (void) gbstart; (void) deltarx; (void) deltgbx; \
         (void) deltary; (void) deltgby; (void) col
 
@@ -245,7 +251,8 @@ do { \
         int rbaseu, rbasev; \
         int dstart, ustart, wstart, vstart; \
         static int stmp = 0; \
-        s3vTextureObjectPtr t; \
+        s3vTextureObjectPtr t
+#define TEX_VARS_VOIDS \
         (void) u0; (void) u1; (void) u2; (void) ru0; (void) ru1; (void) ru2; \
         (void) v0; (void) v1; (void) v2; (void) rv0; (void) rv1; (void) rv2; \
         (void) w0; (void) w1; (void) w2; (void) rw0; (void) rw1; (void) rw2; \
@@ -620,6 +627,12 @@ static void TAG(s3v_line)( s3vContextPtr vmesa,
 	GLfloat cull;
         (void) cull;
 #endif
+	LINE_VERT_VARS_VOIDS;
+#if (IND & S3V_RAST_FLAT_BIT)
+	LINE_FLAT_VARS_VOIDS;
+#else
+	LINE_GOURAUD_VARS_VOIDS;
+#endif
 
 	DEBUG(("*** s3v_line: "));
 #if (IND & S3V_RAST_CULL_BIT)
@@ -684,6 +697,15 @@ static void TAG(s3v_triangle)( s3vContextPtr vmesa,
 #if (IND & S3V_RAST_CULL_BIT)
 	GLfloat cull;
 #endif
+	VERT_VARS_VOIDS;
+#if (IND & S3v_RAST_FLAT_BIT)
+	FLAT_VARS_VOIDS;
+#else
+	GOURAUD_VARS_VOIDS;
+#endif
+#if (IND & S3V_RAST_TEX_BIT)
+	TEX_VARS_VOIDS;
+#endif
 
 	DEBUG(("*** s3v_triangle: "));
 #if (IND & S3V_RAST_CULL_BIT)
@@ -774,6 +796,15 @@ static void TAG(s3v_quad)( s3vContextPtr vmesa,
 #if (IND & S3V_RAST_CULL_BIT)
         GLfloat cull;
 #endif
+        VERT_VARS_VOIDS;
+#if (IND & S3v_RAST_FLAT_BIT)
+        FLAT_VARS_VOIDS;
+#else
+        GOURAUD_VARS_VOIDS;
+#endif
+#if (IND & S3V_RAST_TEX_BIT)
+        TEX_VARS_VOIDS;
+#endif
 
 	DEBUG(("*** s3v_quad: "));
 #if (IND & S3V_RAST_CULL_BIT)
diff --git a/src/mesa/drivers/dri/savage/savageioctl.c b/src/mesa/drivers/dri/savage/savageioctl.c
index 1906c78cc3..244959d64f 100644
--- a/src/mesa/drivers/dri/savage/savageioctl.c
+++ b/src/mesa/drivers/dri/savage/savageioctl.c
@@ -632,18 +632,18 @@ void savageFlushCmdBuf( savageContextPtr imesa, GLboolean discard )
 
 static void savageDDFlush( GLcontext *ctx )
 {
+    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
     if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
 	fprintf (stderr, "%s\n", __FUNCTION__);
-    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
     savageFlushVertices (imesa);
     savageFlushCmdBuf(imesa, GL_FALSE);
 }
 
 static void savageDDFinish( GLcontext *ctx  ) 
 {
+    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
     if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
 	fprintf (stderr, "%s\n", __FUNCTION__);
-    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
     savageFlushVertices (imesa);
     savageFlushCmdBuf(imesa, GL_FALSE);
     WAIT_IDLE_EMPTY(imesa);
diff --git a/src/mesa/drivers/dri/savage/savagerender.c b/src/mesa/drivers/dri/savage/savagerender.c
index 9eda9a591e..22e3f13396 100644
--- a/src/mesa/drivers/dri/savage/savagerender.c
+++ b/src/mesa/drivers/dri/savage/savagerender.c
@@ -246,11 +246,6 @@ static GLboolean run_texnorm_stage( GLcontext *ctx,
       return GL_TRUE;
 
    for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) {
-      if (!ctx->Texture.Unit[i]._ReallyEnabled ||
-	  VB->TexCoordPtr[i]->size == 4)
-	 /* Never try to normalize homogenous tex coords! */
-	 continue;
-
       GLuint reallyEnabled = ctx->Texture.Unit[i]._ReallyEnabled;
       struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
       GLboolean normalizeS = (texObj->WrapS == GL_REPEAT);
@@ -261,6 +256,11 @@ static GLboolean run_texnorm_stage( GLcontext *ctx,
       GLfloat (*out)[4] = store->texcoord[i].data;
       GLint j;
 
+      if (!ctx->Texture.Unit[i]._ReallyEnabled ||
+	  VB->TexCoordPtr[i]->size == 4)
+	 /* Never try to normalize homogenous tex coords! */
+	 continue;
+
       if (normalizeS && normalizeT) {
 	 /* take first texcoords as rough estimate of mean value */
 	 GLfloat correctionS = -floor(in[0]+0.5);