Merge branch 'mesa_7_7_branch'

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

21 files changed, 77 insertions, 34 deletions

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 39b0ab13c6..cd9075b393 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 da81ec9de5..547f18a009 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 b508496fb6..213ba541ce 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 2b03331a00..221bf03332 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 ab301b9a3a..bac1c3a49c 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 00efd3443d..27aac8b54a 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 3f9b1fbfdc..8335e5a650 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 6b12d484d8..05643189a2 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 f2e8e2e3ae..c2a0adfef0 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 b93a21c3ac..c1bcd4b853 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 448e34e047..86d4717b05 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 d4a728381e..eea3dee7bc 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 7b1fa73224..16b05d5cd9 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 a7f347202a..033f26db2a 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 28690325d1..03178116c1 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 948ed18419..77ab8d16e0 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 e9529d1939..9a92541ef7 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 323383da62..d358ef62dc 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 3cf10007b5..4690274c3c 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 b34c133600..91c94fa377 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 ab457d41dc..01359d51ea 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;