Merge branch 'mesa_7_7_branch'

Conflicts:
	src/mesa/main/version.h
	src/mesa/state_tracker/st_atom_shader.c

35 files changed, 143 insertions, 58 deletions

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 39b0ab13c6b..cd9075b3936 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -2170,6 +2170,9 @@ _mesa_meta_GenerateMipmap(GLcontext *ctx, GLenum target,
 
    _mesa_meta_begin(ctx, META_ALL);
 
+   if (original_active_unit != 0)
+      _mesa_BindTexture(target, texObj->Name);
+
    if (mipmap->ArrayObj == 0) {
       /* one-time setup */
 
@@ -2289,9 +2292,6 @@ _mesa_meta_GenerateMipmap(GLcontext *ctx, GLenum target,
    /* texture is already locked, unlock now */
    _mesa_unlock_texture(ctx, texObj);
 
-   if (original_active_unit != 0)
-      _mesa_BindTexture(target, texObj->Name);
-
    for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
       const struct gl_texture_image *srcImage;
       const GLuint srcLevel = dstLevel - 1;
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index da81ec9de51..547f18a009e 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -167,7 +167,7 @@ static int driBindContext(__DRIcontext *pcp,
 			  __DRIdrawable *pdp,
 			  __DRIdrawable *prp)
 {
-    __DRIscreenPrivate *psp;
+    __DRIscreenPrivate *psp = NULL;
 
     /* Bind the drawable to the context */
 
diff --git a/src/mesa/drivers/dri/i810/i810tris.c b/src/mesa/drivers/dri/i810/i810tris.c
index b508496fb69..213ba541cee 100644
--- a/src/mesa/drivers/dri/i810/i810tris.c
+++ b/src/mesa/drivers/dri/i810/i810tris.c
@@ -270,7 +270,8 @@ do {							\
 
 #define LOCAL_VARS(n)							\
    i810ContextPtr imesa = I810_CONTEXT(ctx);				\
-   GLuint color[n], spec[n];						\
+   GLuint color[n] = { 0 };						\
+   GLuint spec[n] = { 0 };						\
    GLuint coloroffset = (imesa->vertex_size == 4 ? 3 : 4);		\
    GLboolean havespec = (imesa->vertex_size > 4);			\
    (void) color; (void) spec; (void) coloroffset; (void) havespec;
diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c
index 2b03331a004..221bf033327 100644
--- a/src/mesa/drivers/dri/i915/i915_texstate.c
+++ b/src/mesa/drivers/dri/i915/i915_texstate.c
@@ -139,6 +139,7 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
    GLuint *state = i915->state.Tex[unit], format, pitch;
    GLint lodbias, aniso = 0;
    GLubyte border[4];
+   GLfloat maxlod;
 
    memset(state, 0, sizeof(state));
 
@@ -176,18 +177,9 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
 
       pitch = intelObj->pitchOverride;
    } else {
-      GLuint dst_x, dst_y;
-
-      intel_miptree_get_image_offset(intelObj->mt, intelObj->firstLevel, 0, 0,
-				     &dst_x, &dst_y);
-
       dri_bo_reference(intelObj->mt->region->buffer);
       i915->state.tex_buffer[unit] = intelObj->mt->region->buffer;
-      /* XXX: This calculation is probably broken for tiled images with
-       * a non-page-aligned offset.
-       */
-      i915->state.tex_offset[unit] = (dst_x + dst_y * intelObj->mt->pitch) *
-	 intelObj->mt->cpp;
+      i915->state.tex_offset[unit] = 0; /* Always the origin of the miptree */
 
       format = translate_texture_format(firstImage->TexFormat,
 					firstImage->InternalFormat,
@@ -205,10 +197,14 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
 	 state[I915_TEXREG_MS3] |= MS3_TILE_WALK;
    }
 
+   /* We get one field with fraction bits to cover the maximum addressable (smallest
+    * resolution) LOD.  Use it to cover both MAX_LEVEL and MAX_LOD.
+    */
+   maxlod = MIN2(tObj->MaxLod, tObj->MaxLevel - tObj->BaseLevel);
    state[I915_TEXREG_MS4] =
       ((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
        MS4_CUBE_FACE_ENA_MASK |
-       (U_FIXED(CLAMP(tObj->MaxLod, 0.0, 11.0), 2) << MS4_MAX_LOD_SHIFT) |
+       (U_FIXED(CLAMP(maxlod, 0.0, 11.0), 2) << MS4_MAX_LOD_SHIFT) |
        ((firstImage->Depth - 1) << MS4_VOLUME_DEPTH_SHIFT));
 
 
diff --git a/src/mesa/drivers/dri/i965/brw_cc.c b/src/mesa/drivers/dri/i965/brw_cc.c
index ab301b9a3a0..bac1c3a49c3 100644
--- a/src/mesa/drivers/dri/i965/brw_cc.c
+++ b/src/mesa/drivers/dri/i965/brw_cc.c
@@ -158,9 +158,9 @@ cc_unit_populate_key(struct brw_context *brw, struct brw_cc_unit_key *key)
 
       /* If the renderbuffer is XRGB, we have to frob the blend function to
        * force the destination alpha to 1.0.  This means replacing GL_DST_ALPHA
-       * with GL_ONE and GL_ONE_MINUS_DST_ALPAH with GL_ZERO.
+       * with GL_ONE and GL_ONE_MINUS_DST_ALPHA with GL_ZERO.
        */
-      if (ctx->Visual.alphaBits == 0) {
+      if (ctx->DrawBuffer->Visual.alphaBits == 0) {
 	 key->blend_src_rgb = fix_xRGB_alpha(key->blend_src_rgb);
 	 key->blend_src_a   = fix_xRGB_alpha(key->blend_src_a);
 	 key->blend_dst_rgb = fix_xRGB_alpha(key->blend_dst_rgb);
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 00efd3443d1..27aac8b54a9 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -392,6 +392,17 @@ static void emit_sge( struct brw_vs_compile *c,
   emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_GE);
 }
 
+static void emit_cmp( struct brw_compile *p,
+		      struct brw_reg dst,
+		      struct brw_reg arg0,
+		      struct brw_reg arg1,
+		      struct brw_reg arg2 )
+{
+   brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, arg0, brw_imm_f(0));
+   brw_SEL(p, dst, arg1, arg2);
+   brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+}
+
 static void emit_max( struct brw_compile *p, 
 		      struct brw_reg dst,
 		      struct brw_reg arg0,
@@ -1485,6 +1496,9 @@ void brw_vs_emit(struct brw_vs_compile *c )
 	    brw_MOV(p, brw_acc_reg(), args[2]);
 	 brw_MAC(p, dst, args[0], args[1]);
 	 break;
+      case OPCODE_CMP:
+	 emit_cmp(p, dst, args[0], args[1], args[2]);
+	 break;
       case OPCODE_MAX:
 	 emit_max(p, dst, args[0], args[1]);
 	 break;
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 3f9b1fbfdc6..8335e5a650e 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -581,7 +581,7 @@ brw_update_renderbuffer_surface(struct brw_context *brw,
    /* As mentioned above, disable writes to the alpha component when the
     * renderbuffer is XRGB.
     */
-   if (ctx->Visual.alphaBits == 0)
+   if (ctx->DrawBuffer->Visual.alphaBits == 0)
      key.color_mask[3] = GL_FALSE;
 
    key.color_blend = (!ctx->Color._LogicOpEnabled &&
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c
index 6b12d484d85..05643189a21 100644
--- a/src/mesa/drivers/dri/intel/intel_buffers.c
+++ b/src/mesa/drivers/dri/intel/intel_buffers.c
@@ -191,10 +191,15 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
       return;
    }
 
-   /*
-    * How many color buffers are we drawing into?
+   /* How many color buffers are we drawing into?
+    *
+    * If there are zero buffers or the buffer is too big, don't configure any
+    * regions for hardware drawing.  We'll fallback to software below.  Not
+    * having regions set makes some of the software fallback paths faster.
     */
-   if (fb->_NumColorDrawBuffers == 0) {
+   if ((fb->Width > ctx->Const.MaxRenderbufferSize)
+       || (fb->Height > ctx->Const.MaxRenderbufferSize)
+       || (fb->_NumColorDrawBuffers == 0)) {
       /* writing to 0  */
       colorRegions[0] = NULL;
       intel->constant_cliprect = GL_TRUE;
diff --git a/src/mesa/drivers/dri/mach64/mach64_tris.c b/src/mesa/drivers/dri/mach64/mach64_tris.c
index f2e8e2e3ae8..c2a0adfef02 100644
--- a/src/mesa/drivers/dri/mach64/mach64_tris.c
+++ b/src/mesa/drivers/dri/mach64/mach64_tris.c
@@ -1297,7 +1297,8 @@ do {						\
 
 #define LOCAL_VARS(n)						\
    mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);		\
-   GLuint color[n], spec[n];					\
+   GLuint color[n] = { 0 };					\
+   GLuint spec[n] = { 0 };					\
    GLuint vertex_size = mmesa->vertex_size;			\
    const GLuint xyoffset = 9;					\
    const GLuint coloroffset = 8;				\
diff --git a/src/mesa/drivers/dri/mga/mgatris.c b/src/mesa/drivers/dri/mga/mgatris.c
index b93a21c3acf..c1bcd4b8531 100644
--- a/src/mesa/drivers/dri/mga/mgatris.c
+++ b/src/mesa/drivers/dri/mga/mgatris.c
@@ -397,7 +397,8 @@ do {						\
 
 #define LOCAL_VARS(n)					\
    mgaContextPtr mmesa = MGA_CONTEXT(ctx);		\
-   GLuint color[n], spec[n];				\
+   GLuint color[n] = { 0 };				\
+   GLuint spec[n] = { 0 };				\
    (void) color; (void) spec;
 
 
diff --git a/src/mesa/drivers/dri/r128/r128_tris.c b/src/mesa/drivers/dri/r128/r128_tris.c
index 448e34e047c..86d4717b050 100644
--- a/src/mesa/drivers/dri/r128/r128_tris.c
+++ b/src/mesa/drivers/dri/r128/r128_tris.c
@@ -216,7 +216,8 @@ do {							\
 
 #define LOCAL_VARS(n)						\
    r128ContextPtr rmesa = R128_CONTEXT(ctx);			\
-   GLuint color[n], spec[n];					\
+   GLuint color[n] = { 0 };					\
+   GLuint spec[n] = { 0 };					\
    GLuint coloroffset = rmesa->coloroffset;			\
    GLuint specoffset = rmesa->specoffset;			\
    GLboolean havespec = (rmesa->specoffset != 0);		\
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index d4a728381e4..eea3dee7bc6 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -181,9 +181,9 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X16),
 		},
 		{
-			R300_EASY_TX_FORMAT(X, X, X, ONE, X24_Y8),
-			R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8),
-			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X24_Y8),
+			R300_EASY_TX_FORMAT(Y, Y, Y, ONE, X24_Y8),
+			R300_EASY_TX_FORMAT(Y, Y, Y, Y, X24_Y8),
+			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, Y, X24_Y8),
 		},
 		{
 			R300_EASY_TX_FORMAT(X, X, X, ONE, X32),
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c
index 7b1fa732246..16b05d5cd9a 100644
--- a/src/mesa/drivers/dri/r600/r700_state.c
+++ b/src/mesa/drivers/dri/r600/r700_state.c
@@ -705,6 +705,10 @@ static void r700UpdateCulling(GLcontext * ctx)
             CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); /* default: ccw */
             break;
     }
+
+    /* Winding is inverted when rendering to FBO */
+    if (ctx->DrawBuffer && ctx->DrawBuffer->Name)
+	    r700->PA_SU_SC_MODE_CNTL.u32All ^= FACE_bit;
 }
 
 static void r700UpdateLineStipple(GLcontext * ctx)
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
index a7f347202a1..033f26db2a1 100644
--- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
@@ -452,7 +452,10 @@ static void migrate_image_to_miptree(radeon_mipmap_tree *mt,
 		radeon_bo_unmap(image->mt->bo);
 
 		radeon_miptree_unreference(&image->mt);
-	} else {
+	} else if (image->base.Data) {
+		/* This condition should be removed, it's here to workaround
+		 * a segfault when mapping textures during software fallbacks.
+		 */
 		const uint32_t srcrowstride = _mesa_format_row_stride(image->base.TexFormat, image->base.Width);
 		uint32_t rows = image->base.Height * image->base.Depth;
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_texture.c b/src/mesa/drivers/dri/radeon/radeon_texture.c
index 28690325d12..03178116c1a 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texture.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texture.c
@@ -472,6 +472,19 @@ gl_format radeonChooseTextureFormat(GLcontext * ctx,
 	case GL_RGBA32F_ARB:
 		return MESA_FORMAT_RGBA_FLOAT32;
 
+#ifdef RADEON_R300
+	case GL_DEPTH_COMPONENT:
+	case GL_DEPTH_COMPONENT16:
+		return MESA_FORMAT_Z16;
+	case GL_DEPTH_COMPONENT24:
+	case GL_DEPTH_COMPONENT32:
+	case GL_DEPTH_STENCIL_EXT:
+	case GL_DEPTH24_STENCIL8_EXT:
+		if (rmesa->radeonScreen->chip_family >= CHIP_FAMILY_RV515)
+			return MESA_FORMAT_S8_Z24;
+		else
+			return MESA_FORMAT_Z16;
+#else
 	case GL_DEPTH_COMPONENT:
 	case GL_DEPTH_COMPONENT16:
 	case GL_DEPTH_COMPONENT24:
@@ -479,6 +492,7 @@ gl_format radeonChooseTextureFormat(GLcontext * ctx,
 	case GL_DEPTH_STENCIL_EXT:
 	case GL_DEPTH24_STENCIL8_EXT:
 		return MESA_FORMAT_S8_Z24;
+#endif
 
 	/* EXT_texture_sRGB */
 	case GL_SRGB:
diff --git a/src/mesa/drivers/dri/savage/savageioctl.c b/src/mesa/drivers/dri/savage/savageioctl.c
index 948ed18419e..77ab8d16e0a 100644
--- a/src/mesa/drivers/dri/savage/savageioctl.c
+++ b/src/mesa/drivers/dri/savage/savageioctl.c
@@ -337,6 +337,8 @@ static void savageDDClear( GLcontext *ctx, GLbitfield mask )
    GLint ch = ctx->DrawBuffer->_Ymax - cy;
 
    /* XXX FIX ME: the cx,cy,cw,ch vars are currently ignored! */
+   (void) ch;
+   (void) cw;
 
    if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
        fprintf (stderr, "%s\n", __FUNCTION__);
diff --git a/src/mesa/drivers/dri/savage/savagetris.c b/src/mesa/drivers/dri/savage/savagetris.c
index e9529d19391..9a92541ef7e 100644
--- a/src/mesa/drivers/dri/savage/savagetris.c
+++ b/src/mesa/drivers/dri/savage/savagetris.c
@@ -435,7 +435,8 @@ do {								\
 
 #define LOCAL_VARS(n)						\
    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);		\
-   GLuint color[n], spec[n];					\
+   GLuint color[n] = { 0 };					\
+   GLuint spec[n] = { 0 };					\
    GLuint coloroffset =						\
       ((imesa->skip & SAVAGE_SKIP_W) ? 3 : 4);			\
    GLboolean specoffset =					\
diff --git a/src/mesa/drivers/dri/sis/sis_clear.c b/src/mesa/drivers/dri/sis/sis_clear.c
index 323383da62a..d358ef62dc7 100644
--- a/src/mesa/drivers/dri/sis/sis_clear.c
+++ b/src/mesa/drivers/dri/sis/sis_clear.c
@@ -393,7 +393,6 @@ sis_clear_z_stencil_buffer( GLcontext * ctx, GLbitfield mask,
 			    GLint x, GLint y, GLint width, GLint height )
 {
    sisContextPtr smesa = SIS_CONTEXT(ctx);
-   int cmd;
 
    mWait3DCmdQueue (8);
    MMIO(REG_SRC_PITCH, (smesa->zFormat == SiS_ZFORMAT_Z16) ?
diff --git a/src/mesa/drivers/dri/sis/sis_tris.c b/src/mesa/drivers/dri/sis/sis_tris.c
index 3cf10007b58..4690274c3c0 100644
--- a/src/mesa/drivers/dri/sis/sis_tris.c
+++ b/src/mesa/drivers/dri/sis/sis_tris.c
@@ -430,7 +430,8 @@ do {								\
 
 #define LOCAL_VARS(n)						\
    sisContextPtr smesa = SIS_CONTEXT(ctx);			\
-   GLuint color[n], spec[n];					\
+   GLuint color[n] = { 0 };					\
+   GLuint spec[n] = { 0 };					\
    GLuint coloroffset = smesa->coloroffset;			\
    GLuint specoffset = smesa->specoffset;			\
    (void) color; (void) spec; (void) coloroffset; (void) specoffset;
diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.c b/src/mesa/drivers/dri/unichrome/via_ioctl.c
index b34c133600a..91c94fa377d 100644
--- a/src/mesa/drivers/dri/unichrome/via_ioctl.c
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.c
@@ -885,7 +885,6 @@ void viaFlushDmaLocked(struct via_context *vmesa, GLuint flags)
    }
    else if (vmesa->numClipRects) {
       drm_clip_rect_t *pbox = vmesa->pClipRects;
-      __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
 
       for (i = 0; i < vmesa->numClipRects; i++) {
 	 drm_clip_rect_t b;
diff --git a/src/mesa/drivers/dri/unichrome/via_tris.c b/src/mesa/drivers/dri/unichrome/via_tris.c
index ab457d41dc8..01359d51ea6 100644
--- a/src/mesa/drivers/dri/unichrome/via_tris.c
+++ b/src/mesa/drivers/dri/unichrome/via_tris.c
@@ -330,7 +330,8 @@ do {							\
 
 #define LOCAL_VARS(n)                                                   \
     struct via_context *vmesa = VIA_CONTEXT(ctx);                             \
-    GLuint color[n], spec[n];                                           \
+    GLuint color[n] = { 0 };                                          \
+    GLuint spec[n] = { 0 };                                           \
     GLuint coloroffset = vmesa->coloroffset;              \
     GLuint specoffset = vmesa->specoffset;                       \
     (void)color; (void)spec; (void)coloroffset; (void)specoffset;
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 87c3b2e5621..4eb249b4af1 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -234,7 +234,7 @@ extern "C" {
 #elif defined(__APPLE__)
 #include <CoreFoundation/CFByteOrder.h>
 #define CPU_TO_LE32( x )	CFSwapInt32HostToLittle( x )
-#elif defined(_AIX)
+#elif (defined(_AIX) || defined(__blrts))
 #define CPU_TO_LE32( x )        x = ((x & 0x000000ff) << 24) | \
                                     ((x & 0x0000ff00) <<  8) | \
                                     ((x & 0x00ff0000) >>  8) | \
diff --git a/src/mesa/main/dlopen.c b/src/mesa/main/dlopen.c
index 414cfad8e26..81e032081db 100644
--- a/src/mesa/main/dlopen.c
+++ b/src/mesa/main/dlopen.c
@@ -31,7 +31,7 @@
 #include "compiler.h"
 #include "dlopen.h"
 
-#if defined(_GNU_SOURCE) && !defined(__MINGW32__)
+#if defined(_GNU_SOURCE) && !defined(__MINGW32__) && !defined(__blrts)
 #include <dlfcn.h>
 #endif
 #if defined(_WIN32)
@@ -46,7 +46,9 @@
 void *
 _mesa_dlopen(const char *libname, int flags)
 {
-#if defined(_GNU_SOURCE)
+#if defined(__blrts)
+   return NULL;
+#elif defined(_GNU_SOURCE)
    flags = RTLD_LAZY | RTLD_GLOBAL; /* Overriding flags at this time */
    return dlopen(libname, flags);
 #elif defined(__MINGW32__)
@@ -65,7 +67,9 @@ _mesa_dlopen(const char *libname, int flags)
 GenericFunc
 _mesa_dlsym(void *handle, const char *fname)
 {
-#if defined(__DJGPP__)
+#if defined(__blrts)
+   return (GenericFunc) NULL;
+#elif defined(__DJGPP__)
    /* need '_' prefix on symbol names */
    char fname2[1000];
    fname2[0] = '_';
@@ -88,7 +92,9 @@ _mesa_dlsym(void *handle, const char *fname)
 void
 _mesa_dlclose(void *handle)
 {
-#if defined(_GNU_SOURCE)
+#if defined(__blrts)
+   (void) handle;
+#elif defined(_GNU_SOURCE)
    dlclose(handle);
 #elif defined(__MINGW32__)
    FreeLibrary(handle);
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index 26ae453f0be..19b8e517259 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -2848,6 +2848,7 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
    slang_info_log info_log;
    slang_code_object obj;
    slang_unit_type type;
+   GLenum progTarget;
 
    if (shader->Type == GL_VERTEX_SHADER) {
       type = SLANG_UNIT_VERTEX_SHADER;
@@ -2864,17 +2865,18 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
 
    shader->Main = GL_FALSE;
 
-   if (!shader->Program) {
-      GLenum progTarget;
-      if (shader->Type == GL_VERTEX_SHADER)
-         progTarget = GL_VERTEX_PROGRAM_ARB;
-      else
-         progTarget = GL_FRAGMENT_PROGRAM_ARB;
-      shader->Program = ctx->Driver.NewProgram(ctx, progTarget, 1);
-      shader->Program->Parameters = _mesa_new_parameter_list();
-      shader->Program->Varying = _mesa_new_parameter_list();
-      shader->Program->Attributes = _mesa_new_parameter_list();
-   }
+   /* free the shader's old instructions, etc */
+   _mesa_reference_program(ctx, &shader->Program, NULL);
+
+   /* allocate new GPU program, parameter lists, etc. */
+   if (shader->Type == GL_VERTEX_SHADER)
+      progTarget = GL_VERTEX_PROGRAM_ARB;
+   else
+      progTarget = GL_FRAGMENT_PROGRAM_ARB;
+   shader->Program = ctx->Driver.NewProgram(ctx, progTarget, 1);
+   shader->Program->Parameters = _mesa_new_parameter_list();
+   shader->Program->Varying = _mesa_new_parameter_list();
+   shader->Program->Attributes = _mesa_new_parameter_list();
 
    slang_info_log_construct(&info_log);
    _slang_code_object_ctr(&obj);
diff --git a/src/mesa/shader/slang/slang_compile_operation.c b/src/mesa/shader/slang/slang_compile_operation.c
index 3e2bdbc91ff..be73094ca04 100644
--- a/src/mesa/shader/slang/slang_compile_operation.c
+++ b/src/mesa/shader/slang/slang_compile_operation.c
@@ -52,6 +52,7 @@ slang_operation_construct(slang_operation * oper)
    _slang_variable_scope_ctr(oper->locals);
    oper->fun = NULL;
    oper->var = NULL;
+   oper->label = NULL;
    return GL_TRUE;
 }
 
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index e13ae57a0ec..d297b9bc06d 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -381,7 +381,7 @@ setup_interleaved_attribs(GLcontext *ctx,
 {
    struct pipe_context *pipe = ctx->st->pipe;
    GLuint attr;
-   const GLubyte *offset0;
+   const GLubyte *offset0 = NULL;
 
    for (attr = 0; attr < vp->num_inputs; attr++) {
       const GLuint mesaAttr = vp->index_to_input[attr];
@@ -560,7 +560,7 @@ st_draw_vbo(GLcontext *ctx,
    GLuint attr;
    struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
    unsigned num_vbuffers, num_velements;
-   GLboolean userSpace;
+   GLboolean userSpace = GL_FALSE;
 
    /* Gallium probably doesn't want this in some cases. */
    if (!index_bounds_valid)
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index 5a433dd7b90..2c283d464ae 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -225,6 +225,9 @@ st_generate_mipmap(GLcontext *ctx, GLenum target,
    /* find expected last mipmap level */
    lastLevel = compute_num_levels(ctx, texObj, target) - 1;
 
+   if (lastLevel == 0)
+      return;
+
    if (pt->last_level < lastLevel) {
       /* The current gallium texture doesn't have space for all the
        * mipmap levels we need to generate.  So allocate a new texture.
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 5c81a033f9c..d91ed6806dc 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -102,6 +102,8 @@ st_prepare_vertex_program(struct st_context *st,
    if (stvp->Base.IsPositionInvariant)
       _mesa_insert_mvp_code(st->ctx, &stvp->Base);
 
+   assert(stvp->Base.Base.NumInstructions > 1);
+
    /*
     * Determine number of inputs, the mappings between VERT_ATTRIB_x
     * and TGSI generic input indexes, plus input attrib semantic info.
diff --git a/src/mesa/swrast/s_atifragshader.c b/src/mesa/swrast/s_atifragshader.c
index 5fefae6c42b..e88ff191239 100644
--- a/src/mesa/swrast/s_atifragshader.c
+++ b/src/mesa/swrast/s_atifragshader.c
@@ -279,7 +279,7 @@ handle_sample_op(GLcontext * ctx, struct atifs_machine *machine,
 /* sample from unit idx using texinst->src as coords */
    GLuint swizzle = texinst->swizzle;
    GLuint coord_source = texinst->src;
-   GLfloat tex_coords[4];
+   GLfloat tex_coords[4] = { 0 };
 
    if (coord_source >= GL_TEXTURE0_ARB && coord_source <= GL_TEXTURE7_ARB) {
       coord_source -= GL_TEXTURE0_ARB;
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index d80a6761f40..5bec6066967 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -553,6 +553,9 @@ affine_span(GLcontext *ctx, SWspan *span,
    info.format = texImg->TexFormat;					\
    info.filter = obj->MinFilter;					\
    info.envmode = unit->EnvMode;					\
+   info.er = 0;					\
+   info.eg = 0;					\
+   info.eb = 0;					\
    span.arrayMask |= SPAN_RGBA;						\
 									\
    if (info.envmode == GL_BLEND) {					\
@@ -815,6 +818,9 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
    info.format = texImg->TexFormat;					\
    info.filter = obj->MinFilter;					\
    info.envmode = unit->EnvMode;					\
+   info.er = 0;					\
+   info.eg = 0;					\
+   info.eb = 0;					\
 									\
    if (info.envmode == GL_BLEND) {					\
       /* potential off-by-one error here? (1.0f -> 2048 -> 0) */	\
diff --git a/src/mesa/swrast_setup/ss_tritmp.h b/src/mesa/swrast_setup/ss_tritmp.h
index 17f38639563..8484aab5a93 100644
--- a/src/mesa/swrast_setup/ss_tritmp.h
+++ b/src/mesa/swrast_setup/ss_tritmp.h
@@ -41,9 +41,9 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
    GLenum mode = GL_FILL;
    GLuint facing = 0;
    GLchan saved_color[3][4];
-   GLfloat saved_col0[3][4];
-   GLfloat saved_spec[3][4];
-   GLfloat saved_index[3];
+   GLfloat saved_col0[3][4] = { { 0 } };
+   GLfloat saved_spec[3][4] = { { 0 } };
+   GLfloat saved_index[3] = { 0 };
 
    v[0] = &verts[e0];
    v[1] = &verts[e1];
diff --git a/src/mesa/tnl_dd/t_dd_dmatmp.h b/src/mesa/tnl_dd/t_dd_dmatmp.h
index e5885782c7a..2424204b886 100644
--- a/src/mesa/tnl_dd/t_dd_dmatmp.h
+++ b/src/mesa/tnl_dd/t_dd_dmatmp.h
@@ -241,6 +241,7 @@ static void TAG(render_line_loop_verts)( GLcontext *ctx,
 	       tmp = ALLOC_VERTS(nr+1);
 	       tmp = TAG(emit_verts)( ctx, j, nr, tmp );
 	       tmp = TAG(emit_verts)( ctx, start, 1, tmp );
+	       (void) tmp;
 	    }
 	    else {
 	       TAG(emit_verts)( ctx, j, nr, ALLOC_VERTS(nr) );
@@ -254,6 +255,7 @@ static void TAG(render_line_loop_verts)( GLcontext *ctx,
 	 tmp = ALLOC_VERTS(2);
 	 tmp = TAG(emit_verts)( ctx, start+1, 1, tmp );
 	 tmp = TAG(emit_verts)( ctx, start, 1, tmp );
+	 (void) tmp;
       }
 
       FLUSH();
@@ -358,6 +360,7 @@ static void TAG(render_tri_fan_verts)( GLcontext *ctx,
 	 tmp = ALLOC_VERTS( nr );
 	 tmp = TAG(emit_verts)( ctx, start, 1, tmp );
 	 tmp = TAG(emit_verts)( ctx, j, nr - 1, tmp );
+	 (void) tmp;
 	 currentsz = dmasz;
       }
 
@@ -397,6 +400,7 @@ static void TAG(render_poly_verts)( GLcontext *ctx,
 	 tmp = ALLOC_VERTS( nr );
 	 tmp = TAG(emit_verts)( ctx, start, 1, tmp );
 	 tmp = TAG(emit_verts)( ctx, j, nr - 1, tmp );
+	 (void) tmp;
 	 currentsz = dmasz;
       }
 
@@ -634,6 +638,7 @@ static void TAG(render_quads_verts)( GLcontext *ctx,
 	 /* Send v1, v2, v3
 	  */
 	 tmp = EMIT_VERTS(ctx, j + 1, 3, tmp);
+	 (void) tmp;
       }
    }
    else {
@@ -820,6 +825,7 @@ static void TAG(render_line_loop_elts)( GLcontext *ctx,
 	       tmp = ALLOC_ELTS(nr+1);
 	       tmp = TAG(emit_elts)( ctx, elts+j, nr, tmp );
 	       tmp = TAG(emit_elts)( ctx, elts+start, 1, tmp );
+	       (void) tmp;
 	    }
 	    else {
 	       TAG(emit_elts)( ctx, elts+j, nr, ALLOC_ELTS(nr) );
@@ -833,6 +839,7 @@ static void TAG(render_line_loop_elts)( GLcontext *ctx,
 	 tmp = ALLOC_ELTS(2);
 	 tmp = TAG(emit_elts)( ctx, elts+start+1, 1, tmp );
 	 tmp = TAG(emit_elts)( ctx, elts+start, 1, tmp );
+	 (void) tmp;
       }
 
       FLUSH();
@@ -946,6 +953,7 @@ static void TAG(render_tri_fan_elts)( GLcontext *ctx,
 	 tmp = ALLOC_ELTS( nr );
 	 tmp = TAG(emit_elts)( ctx, elts+start, 1, tmp );
 	 tmp = TAG(emit_elts)( ctx, elts+j, nr - 1, tmp );
+	 (void) tmp;
 	 FLUSH();
 	 currentsz = dmasz;
       }
@@ -983,6 +991,7 @@ static void TAG(render_poly_elts)( GLcontext *ctx,
 	 tmp = ALLOC_ELTS( nr );
 	 tmp = TAG(emit_elts)( ctx, elts+start, 1, tmp );
 	 tmp = TAG(emit_elts)( ctx, elts+j, nr - 1, tmp );
+	 (void) tmp;
 	 FLUSH();
 	 currentsz = dmasz;
       }
diff --git a/src/mesa/tnl_dd/t_dd_dmatmp2.h b/src/mesa/tnl_dd/t_dd_dmatmp2.h
index 2380c49fdf4..cd225b6343e 100644
--- a/src/mesa/tnl_dd/t_dd_dmatmp2.h
+++ b/src/mesa/tnl_dd/t_dd_dmatmp2.h
@@ -266,6 +266,7 @@ static void TAG(render_line_loop_verts)( GLcontext *ctx,
 	    if (j + nr < count) {
 	       ELT_TYPE *dest = ALLOC_ELTS( nr );
 	       dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr );
+	       (void) dest;
 	       j += nr - 1;
 	       CLOSE_ELTS();
 	    }
@@ -273,6 +274,7 @@ static void TAG(render_line_loop_verts)( GLcontext *ctx,
 	       ELT_TYPE *dest = ALLOC_ELTS( nr + 1 );
 	       dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr );
 	       dest = TAG(emit_consecutive_elts)( ctx, dest, start, 1 );
+	       (void) dest;
 	       j += nr;
 	       CLOSE_ELTS();
 	    }
@@ -554,6 +556,7 @@ static void TAG(render_points_elts)( GLcontext *ctx,
       nr = MIN2( dmasz, count - j );
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -590,6 +593,7 @@ static void TAG(render_lines_elts)( GLcontext *ctx,
       nr = MIN2( dmasz, count - j );
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+      (void) dest;
       CLOSE_ELTS();
    }
 
@@ -621,6 +625,7 @@ static void TAG(render_line_strip_elts)( GLcontext *ctx,
       nr = MIN2( dmasz, count - j );
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -671,6 +676,7 @@ static void TAG(render_line_loop_elts)( GLcontext *ctx,
       j += nr - 1;
       if (j + 1 >= count && (flags & PRIM_END)) {
 	 dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
+	 (void) dest;
       }
       CLOSE_ELTS();
    }
@@ -703,6 +709,7 @@ static void TAG(render_triangles_elts)( GLcontext *ctx,
       nr = MIN2( dmasz, count - j );
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -734,6 +741,7 @@ static void TAG(render_tri_strip_elts)( GLcontext *ctx,
 
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -759,6 +767,7 @@ static void TAG(render_tri_fan_elts)( GLcontext *ctx,
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -785,6 +794,7 @@ static void TAG(render_poly_elts)( GLcontext *ctx,
       dest = ALLOC_ELTS( nr );
       dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
       dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 );
+      (void) dest;
       CLOSE_ELTS();
    }
 }
@@ -843,6 +853,7 @@ static void TAG(render_quad_strip_elts)( GLcontext *ctx,
 	    nr = MIN2( dmasz, count - j );
 	    dest = ALLOC_ELTS( nr );
 	    dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
+	    (void) dest;
 	    CLOSE_ELTS();
 	 }
       }
diff --git a/src/mesa/tnl_dd/t_dd_tritmp.h b/src/mesa/tnl_dd/t_dd_tritmp.h
index 8574fe618b5..6acd837317f 100644
--- a/src/mesa/tnl_dd/t_dd_tritmp.h
+++ b/src/mesa/tnl_dd/t_dd_tritmp.h
@@ -132,7 +132,7 @@ static void TAG(triangle)( GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
    struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
    VERTEX *v[3];
    GLfloat offset = 0;
-   GLfloat z[3];
+   GLfloat z[3] = { 0 };
    GLenum mode = GL_FILL;
    GLuint facing = 0;
    LOCAL_VARS(3);
@@ -395,7 +395,7 @@ static void TAG(quadr)( GLcontext *ctx,
    struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
    VERTEX *v[4];
    GLfloat offset = 0;
-   GLfloat z[4];
+   GLfloat z[4] = { 0 };
    GLenum mode = GL_FILL;
    GLuint facing = 0;
    LOCAL_VARS(4);
diff --git a/src/mesa/x86/rtasm/x86sse.c b/src/mesa/x86/rtasm/x86sse.c
index 5aedf5b04be..647be995c12 100644
--- a/src/mesa/x86/rtasm/x86sse.c
+++ b/src/mesa/x86/rtasm/x86sse.c
@@ -7,10 +7,12 @@
 #define DISASSEM 0
 #define X86_TWOB 0x0f
 
+#if 0
 static unsigned char *cptr( void (*label)() )
 {
    return (unsigned char *)(unsigned long)label;
 }
+#endif
 
 
 static void do_realloc( struct x86_function *p )