radeon: Port flush preventation code from r200 to r100.

- emit prediction
- fixes to emit_sizes for data
- clean up of excesive use of radeonEnsureCmdBufferSpace

Signed-off-by: Pauli Nieminen <[email protected]>

5 files changed, 246 insertions, 108 deletions

diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c b/src/mesa/drivers/dri/radeon/radeon_dma.c
index 7e6b74add86..79b2b77d30a 100644
--- a/src/mesa/drivers/dri/radeon/radeon_dma.c
+++ b/src/mesa/drivers/dri/radeon/radeon_dma.c
@@ -431,7 +431,7 @@ restart:
         if (!rmesa->dma.flush) {
 		/* make sure we have enough space to use this in cmdbuf */
    		rcommonEnsureCmdBufSpace(rmesa,
-			      rmesa->hw.max_state_size + (20*sizeof(int)),
+			      radeonCountEmitSize( rmesa ) + (20*sizeof(int)),
 			      __FUNCTION__);
 		/* if cmdbuf flushed DMA restart */
 		if (is_empty_list(&rmesa->dma.reserved))
diff --git a/src/mesa/drivers/dri/radeon/radeon_ioctl.h b/src/mesa/drivers/dri/radeon/radeon_ioctl.h
index 18805d4c571..deb53ae3138 100644
--- a/src/mesa/drivers/dri/radeon/radeon_ioctl.h
+++ b/src/mesa/drivers/dri/radeon/radeon_ioctl.h
@@ -132,16 +132,18 @@ static INLINE int RADEON_DB_STATECHANGE(r100ContextPtr rmesa,
  * r200EmitState is called from within r200EmitVbufPrim and r200FlushElts.
  */
 #if RADEON_OLD_PACKETS
-#define AOS_BUFSZ(nr)	((3 + ((nr / 2) * 3) + ((nr & 1) * 2)) * sizeof(int))
+#define AOS_BUFSZ(nr)	((3 + ((nr / 2) * 3) + ((nr & 1) * 2))+nr*2)
 #define VERT_AOS_BUFSZ	(0)
 #define ELTS_BUFSZ(nr)	(24 + nr * 2)
-#define VBUF_BUFSZ	(6 * sizeof(int))
+#define VBUF_BUFSZ	(8)
 #else
-#define AOS_BUFSZ(nr)	((3 + ((nr / 2) * 3) + ((nr & 1) * 2)) * sizeof(int))
-#define VERT_AOS_BUFSZ	(5 * sizeof(int))
+#define AOS_BUFSZ(nr)	((3 + ((nr / 2) * 3) + ((nr & 1) * 2) + nr*2))
+#define VERT_AOS_BUFSZ	(5)
 #define ELTS_BUFSZ(nr)	(16 + nr * 2)
-#define VBUF_BUFSZ	(4 * sizeof(int))
+#define VBUF_BUFSZ	(4)
 #endif
+#define SCISSOR_BUFSZ	(8)
+#define INDEX_BUFSZ	(7)
 
 
 static inline uint32_t cmdpacket3(int cmd_type)
diff --git a/src/mesa/drivers/dri/radeon/radeon_state_init.c b/src/mesa/drivers/dri/radeon/radeon_state_init.c
index 57aa7f1ca46..e70dbbe06f2 100644
--- a/src/mesa/drivers/dri/radeon/radeon_state_init.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state_init.c
@@ -197,55 +197,84 @@ static int cmdscl( int offset, int stride, int count )
    return h.i;
 }
 
-#define CHECK( NM, FLAG )				\
+#define CHECK( NM, FLAG, ADD )				\
 static int check_##NM( GLcontext *ctx, struct radeon_state_atom *atom )	\
 {							\
-   return FLAG ? atom->cmd_size : 0;			\
+   return FLAG ? atom->cmd_size + (ADD) : 0;			\
 }
 
-#define TCL_CHECK( NM, FLAG )				\
+#define TCL_CHECK( NM, FLAG, ADD )				\
 static int check_##NM( GLcontext *ctx, struct radeon_state_atom *atom )	\
 {							\
    r100ContextPtr rmesa = R100_CONTEXT(ctx);	\
-   return (!rmesa->radeon.TclFallback && (FLAG)) ? atom->cmd_size : 0;	\
+   return (!rmesa->radeon.TclFallback && (FLAG)) ? atom->cmd_size + (ADD) : 0;	\
 }
 
 
-CHECK( always, GL_TRUE )
-CHECK( never, GL_FALSE )
-CHECK( tex0, ctx->Texture.Unit[0]._ReallyEnabled )
-CHECK( tex1, ctx->Texture.Unit[1]._ReallyEnabled )
+CHECK( always, GL_TRUE, 0 )
+CHECK( always_add2, GL_TRUE, 2 )
+CHECK( never, GL_FALSE, 0 )
+CHECK( tex0_mm, ctx->Texture.Unit[0]._ReallyEnabled, 3 )
+CHECK( tex1_mm, ctx->Texture.Unit[1]._ReallyEnabled, 3 )
 /* need this for the cubic_map on disabled unit 2 bug, maybe r100 only? */
-CHECK( tex2, ctx->Texture._EnabledUnits )
-CHECK( cube0, (ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_CUBE_BIT))
-CHECK( cube1, (ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_CUBE_BIT))
-CHECK( cube2, (ctx->Texture.Unit[2]._ReallyEnabled & TEXTURE_CUBE_BIT))
-CHECK( fog, ctx->Fog.Enabled )
-TCL_CHECK( tcl, GL_TRUE )
-TCL_CHECK( tcl_tex0, ctx->Texture.Unit[0]._ReallyEnabled )
-TCL_CHECK( tcl_tex1, ctx->Texture.Unit[1]._ReallyEnabled )
-TCL_CHECK( tcl_tex2, ctx->Texture.Unit[2]._ReallyEnabled )
-TCL_CHECK( tcl_lighting, ctx->Light.Enabled )
-TCL_CHECK( tcl_eyespace_or_lighting, ctx->_NeedEyeCoords || ctx->Light.Enabled )
-TCL_CHECK( tcl_lit0, ctx->Light.Enabled && ctx->Light.Light[0].Enabled )
-TCL_CHECK( tcl_lit1, ctx->Light.Enabled && ctx->Light.Light[1].Enabled )
-TCL_CHECK( tcl_lit2, ctx->Light.Enabled && ctx->Light.Light[2].Enabled )
-TCL_CHECK( tcl_lit3, ctx->Light.Enabled && ctx->Light.Light[3].Enabled )
-TCL_CHECK( tcl_lit4, ctx->Light.Enabled && ctx->Light.Light[4].Enabled )
-TCL_CHECK( tcl_lit5, ctx->Light.Enabled && ctx->Light.Light[5].Enabled )
-TCL_CHECK( tcl_lit6, ctx->Light.Enabled && ctx->Light.Light[6].Enabled )
-TCL_CHECK( tcl_lit7, ctx->Light.Enabled && ctx->Light.Light[7].Enabled )
-TCL_CHECK( tcl_ucp0, (ctx->Transform.ClipPlanesEnabled & 0x1) )
-TCL_CHECK( tcl_ucp1, (ctx->Transform.ClipPlanesEnabled & 0x2) )
-TCL_CHECK( tcl_ucp2, (ctx->Transform.ClipPlanesEnabled & 0x4) )
-TCL_CHECK( tcl_ucp3, (ctx->Transform.ClipPlanesEnabled & 0x8) )
-TCL_CHECK( tcl_ucp4, (ctx->Transform.ClipPlanesEnabled & 0x10) )
-TCL_CHECK( tcl_ucp5, (ctx->Transform.ClipPlanesEnabled & 0x20) )
-TCL_CHECK( tcl_eyespace_or_fog, ctx->_NeedEyeCoords || ctx->Fog.Enabled ) 
-
-CHECK( txr0, (ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_RECT_BIT))
-CHECK( txr1, (ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_RECT_BIT))
-CHECK( txr2, (ctx->Texture.Unit[2]._ReallyEnabled & TEXTURE_RECT_BIT))
+CHECK( tex2_mm, ctx->Texture._EnabledUnits, 3 )
+CHECK( tex0, ctx->Texture.Unit[0]._ReallyEnabled, 2 )
+CHECK( tex1, ctx->Texture.Unit[1]._ReallyEnabled, 2 )
+CHECK( tex2, ctx->Texture._EnabledUnits, 2 )
+CHECK( cube0, (ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_CUBE_BIT), 3 + 3*5 - CUBE_STATE_SIZE )
+CHECK( cube1, (ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_CUBE_BIT), 3 + 3*5 - CUBE_STATE_SIZE )
+CHECK( cube2, (ctx->Texture.Unit[2]._ReallyEnabled & TEXTURE_CUBE_BIT), 3 + 3*5 - CUBE_STATE_SIZE )
+CHECK( cube0_mm, (ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_CUBE_BIT), 2 + 4*5 - CUBE_STATE_SIZE )
+CHECK( cube1_mm, (ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_CUBE_BIT), 2 + 4*5 - CUBE_STATE_SIZE )
+CHECK( cube2_mm, (ctx->Texture.Unit[2]._ReallyEnabled & TEXTURE_CUBE_BIT), 2 + 4*5 - CUBE_STATE_SIZE )
+CHECK( fog, ctx->Fog.Enabled, 0 )
+CHECK( fog_add4, ctx->Fog.Enabled, 4 )
+TCL_CHECK( tcl, GL_TRUE, 0 )
+TCL_CHECK( tcl_add4, GL_TRUE, 4 )
+TCL_CHECK( tcl_tex0, ctx->Texture.Unit[0]._ReallyEnabled, 0 )
+TCL_CHECK( tcl_tex1, ctx->Texture.Unit[1]._ReallyEnabled, 0 )
+TCL_CHECK( tcl_tex2, ctx->Texture.Unit[2]._ReallyEnabled, 0 )
+TCL_CHECK( tcl_tex0_add4, ctx->Texture.Unit[0]._ReallyEnabled, 4 )
+TCL_CHECK( tcl_tex1_add4, ctx->Texture.Unit[1]._ReallyEnabled, 4 )
+TCL_CHECK( tcl_tex2_add4, ctx->Texture.Unit[2]._ReallyEnabled, 4 )
+TCL_CHECK( tcl_lighting, ctx->Light.Enabled, 0 )
+TCL_CHECK( tcl_lighting_add4, ctx->Light.Enabled, 4 )
+TCL_CHECK( tcl_eyespace_or_lighting, ctx->_NeedEyeCoords || ctx->Light.Enabled, 0 )
+TCL_CHECK( tcl_eyespace_or_lighting_add4, ctx->_NeedEyeCoords || ctx->Light.Enabled, 4 )
+TCL_CHECK( tcl_lit0, ctx->Light.Enabled && ctx->Light.Light[0].Enabled, 0 )
+TCL_CHECK( tcl_lit1, ctx->Light.Enabled && ctx->Light.Light[1].Enabled, 0 )
+TCL_CHECK( tcl_lit2, ctx->Light.Enabled && ctx->Light.Light[2].Enabled, 0 )
+TCL_CHECK( tcl_lit3, ctx->Light.Enabled && ctx->Light.Light[3].Enabled, 0 )
+TCL_CHECK( tcl_lit4, ctx->Light.Enabled && ctx->Light.Light[4].Enabled, 0 )
+TCL_CHECK( tcl_lit5, ctx->Light.Enabled && ctx->Light.Light[5].Enabled, 0 )
+TCL_CHECK( tcl_lit6, ctx->Light.Enabled && ctx->Light.Light[6].Enabled, 0 )
+TCL_CHECK( tcl_lit7, ctx->Light.Enabled && ctx->Light.Light[7].Enabled, 0 )
+TCL_CHECK( tcl_lit0_add6, ctx->Light.Enabled && ctx->Light.Light[0].Enabled, 6 )
+TCL_CHECK( tcl_lit1_add6, ctx->Light.Enabled && ctx->Light.Light[1].Enabled, 6 )
+TCL_CHECK( tcl_lit2_add6, ctx->Light.Enabled && ctx->Light.Light[2].Enabled, 6 )
+TCL_CHECK( tcl_lit3_add6, ctx->Light.Enabled && ctx->Light.Light[3].Enabled, 6 )
+TCL_CHECK( tcl_lit4_add6, ctx->Light.Enabled && ctx->Light.Light[4].Enabled, 6 )
+TCL_CHECK( tcl_lit5_add6, ctx->Light.Enabled && ctx->Light.Light[5].Enabled, 6 )
+TCL_CHECK( tcl_lit6_add6, ctx->Light.Enabled && ctx->Light.Light[6].Enabled, 6 )
+TCL_CHECK( tcl_lit7_add6, ctx->Light.Enabled && ctx->Light.Light[7].Enabled, 6 )
+TCL_CHECK( tcl_ucp0, (ctx->Transform.ClipPlanesEnabled & 0x1), 0 )
+TCL_CHECK( tcl_ucp1, (ctx->Transform.ClipPlanesEnabled & 0x2), 0 )
+TCL_CHECK( tcl_ucp2, (ctx->Transform.ClipPlanesEnabled & 0x4), 0 )
+TCL_CHECK( tcl_ucp3, (ctx->Transform.ClipPlanesEnabled & 0x8), 0 )
+TCL_CHECK( tcl_ucp4, (ctx->Transform.ClipPlanesEnabled & 0x10), 0 )
+TCL_CHECK( tcl_ucp5, (ctx->Transform.ClipPlanesEnabled & 0x20), 0 )
+TCL_CHECK( tcl_ucp0_add4, (ctx->Transform.ClipPlanesEnabled & 0x1), 4 )
+TCL_CHECK( tcl_ucp1_add4, (ctx->Transform.ClipPlanesEnabled & 0x2), 4 )
+TCL_CHECK( tcl_ucp2_add4, (ctx->Transform.ClipPlanesEnabled & 0x4), 4 )
+TCL_CHECK( tcl_ucp3_add4, (ctx->Transform.ClipPlanesEnabled & 0x8), 4 )
+TCL_CHECK( tcl_ucp4_add4, (ctx->Transform.ClipPlanesEnabled & 0x10), 4 )
+TCL_CHECK( tcl_ucp5_add4, (ctx->Transform.ClipPlanesEnabled & 0x20), 4 )
+TCL_CHECK( tcl_eyespace_or_fog, ctx->_NeedEyeCoords || ctx->Fog.Enabled, 0 )
+TCL_CHECK( tcl_eyespace_or_fog_add4, ctx->_NeedEyeCoords || ctx->Fog.Enabled, 4 )
+
+CHECK( txr0, (ctx->Texture.Unit[0]._ReallyEnabled & TEXTURE_RECT_BIT), 0 )
+CHECK( txr1, (ctx->Texture.Unit[1]._ReallyEnabled & TEXTURE_RECT_BIT), 0 )
+CHECK( txr2, (ctx->Texture.Unit[2]._ReallyEnabled & TEXTURE_RECT_BIT), 0 )
 
 #define OUT_VEC(hdr, data) do {			\
     drm_radeon_cmd_header_t h;					\
@@ -271,9 +300,8 @@ static void scl_emit(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
    BATCH_LOCALS(&r100->radeon);
-   uint32_t dwords = atom->cmd_size;
+   uint32_t dwords = atom->check(ctx, atom);
    
-   dwords += 2;
    BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_SCL(atom->cmd[0], atom->cmd+1);
    END_BATCH();
@@ -284,9 +312,8 @@ static void vec_emit(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
    BATCH_LOCALS(&r100->radeon);
-   uint32_t dwords = atom->cmd_size;
+   uint32_t dwords = atom->check(ctx, atom);
 
-   dwords += 4;
    BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_VEC(atom->cmd[0], atom->cmd+1);
    END_BATCH();
@@ -297,9 +324,8 @@ static void lit_emit(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
    BATCH_LOCALS(&r100->radeon);
-   uint32_t dwords = atom->cmd_size;
+   uint32_t dwords = atom->check(ctx, atom);
 
-   dwords += 6;
    BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_VEC(atom->cmd[LIT_CMD_0], atom->cmd+1);
    OUT_SCL(atom->cmd[LIT_CMD_1], atom->cmd+LIT_CMD_1+1);
@@ -313,10 +339,10 @@ static void ctx_emit(GLcontext *ctx, struct radeon_state_atom *atom)
    struct radeon_renderbuffer *rrb;
    uint32_t cbpitch;
    uint32_t zbpitch, depth_fmt;
-   uint32_t dwords = atom->cmd_size;
+   uint32_t dwords = atom->check(ctx, atom);
 
    /* output the first 7 bytes of context */
-   BEGIN_BATCH_NO_AUTOSTATE(dwords + 4);
+   BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_BATCH_TABLE(atom->cmd, 5);
 
    rrb = radeon_get_depthbuffer(&r100->radeon);
@@ -371,6 +397,28 @@ static void ctx_emit(GLcontext *ctx, struct radeon_state_atom *atom)
    END_BATCH();
 }
 
+static int check_always_ctx( GLcontext *ctx, struct radeon_state_atom *atom)
+{
+   r100ContextPtr r100 = R100_CONTEXT(ctx);
+   struct radeon_renderbuffer *rrb, *drb;
+   uint32_t dwords;
+
+   rrb = radeon_get_colorbuffer(&r100->radeon);
+   if (!rrb || !rrb->bo) {
+      return 0;
+   }
+
+   drb = radeon_get_depthbuffer(&r100->radeon);
+
+   dwords = 10;
+   if (drb)
+     dwords += 6;
+   if (rrb)
+     dwords += 8;
+
+   return dwords;
+}
+
 static void ctx_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
@@ -378,7 +426,7 @@ static void ctx_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
    struct radeon_renderbuffer *rrb, *drb;
    uint32_t cbpitch = 0;
    uint32_t zbpitch = 0;
-   uint32_t dwords = atom->cmd_size;
+   uint32_t dwords = atom->check(ctx, atom);
    uint32_t depth_fmt;
 
    rrb = radeon_get_colorbuffer(&r100->radeon);
@@ -418,12 +466,6 @@ static void ctx_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
      
    }
 
-   /* output the first 7 bytes of context */
-   dwords = 10;
-   if (drb)
-     dwords += 6;
-   if (rrb)
-     dwords += 8;
    BEGIN_BATCH_NO_AUTOSTATE(dwords);
 
    /* In the CS case we need to split this up */
@@ -474,7 +516,7 @@ static void cube_emit(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
    BATCH_LOCALS(&r100->radeon);
-   uint32_t dwords = 3;
+   uint32_t dwords = atom->check(ctx, atom);
    int i = atom->idx, j;
    radeonTexObj *t = r100->state.texture.unit[i].texobj;
    radeon_mipmap_level *lvl;
@@ -488,7 +530,7 @@ static void cube_emit(GLcontext *ctx, struct radeon_state_atom *atom)
    if (!t->mt)
 	return;
 
-   BEGIN_BATCH_NO_AUTOSTATE(dwords + (5 * 3));
+   BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_BATCH_TABLE(atom->cmd, 3);
    lvl = &t->mt->levels[0];
    for (j = 0; j < 5; j++) {
@@ -502,7 +544,7 @@ static void cube_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
 {
    r100ContextPtr r100 = R100_CONTEXT(ctx);
    BATCH_LOCALS(&r100->radeon);
-   uint32_t dwords = 2;
+   uint32_t dwords = atom->check(ctx, atom);
    int i = atom->idx, j;
    radeonTexObj *t = r100->state.texture.unit[i].texobj;
    radeon_mipmap_level *lvl;
@@ -523,7 +565,7 @@ static void cube_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
 	default:
 	case 0: base_reg = RADEON_PP_CUBIC_OFFSET_T0_0; break;
    };
-   BEGIN_BATCH_NO_AUTOSTATE(dwords + (5 * 4));
+   BEGIN_BATCH_NO_AUTOSTATE(dwords);
    OUT_BATCH_TABLE(atom->cmd, 2);
    lvl = &t->mt->levels[0];
    for (j = 0; j < 5; j++) {
@@ -666,9 +708,10 @@ void radeonInitState( r100ContextPtr rmesa )
    /* Allocate state buffers:
     */
    ALLOC_STATE( ctx, always, CTX_STATE_SIZE, "CTX/context", 0 );
-   if (rmesa->radeon.radeonScreen->kernel_mm)
+   if (rmesa->radeon.radeonScreen->kernel_mm) {
      rmesa->hw.ctx.emit = ctx_emit_cs;
-   else
+     rmesa->hw.ctx.check = check_always_ctx;
+   } else
      rmesa->hw.ctx.emit = ctx_emit;
    ALLOC_STATE( lin, always, LIN_STATE_SIZE, "LIN/line", 0 );
    ALLOC_STATE( msk, always, MSK_STATE_SIZE, "MSK/mask", 0 );
@@ -678,13 +721,63 @@ void radeonInitState( r100ContextPtr rmesa )
    ALLOC_STATE( zbs, always, ZBS_STATE_SIZE, "ZBS/zbias", 0 );
    ALLOC_STATE( tcl, always, TCL_STATE_SIZE, "TCL/tcl", 1 );
    ALLOC_STATE( mtl, tcl_lighting, MTL_STATE_SIZE, "MTL/material", 1 );
-   ALLOC_STATE( grd, always, GRD_STATE_SIZE, "GRD/guard-band", 1 );
-   ALLOC_STATE( fog, fog, FOG_STATE_SIZE, "FOG/fog", 1 );
-   ALLOC_STATE( glt, tcl_lighting, GLT_STATE_SIZE, "GLT/light-global", 1 );
-   ALLOC_STATE( eye, tcl_lighting, EYE_STATE_SIZE, "EYE/eye-vector", 1 );
-   ALLOC_STATE_IDX( tex[0], tex0, TEX_STATE_SIZE, "TEX/tex-0", 0, 0);
-   ALLOC_STATE_IDX( tex[1], tex1, TEX_STATE_SIZE, "TEX/tex-1", 0, 1);
-   ALLOC_STATE_IDX( tex[2], tex2, TEX_STATE_SIZE, "TEX/tex-2", 0, 2);
+   if (rmesa->radeon.radeonScreen->kernel_mm) {
+      ALLOC_STATE( grd, always_add2, GRD_STATE_SIZE, "GRD/guard-band", 1 );
+      ALLOC_STATE( fog, fog_add4, FOG_STATE_SIZE, "FOG/fog", 1 );
+      ALLOC_STATE( glt, tcl_lighting_add4, GLT_STATE_SIZE, "GLT/light-global", 1 );
+      ALLOC_STATE( eye, tcl_lighting_add4, EYE_STATE_SIZE, "EYE/eye-vector", 1 );
+      ALLOC_STATE_IDX( tex[0], tex0_mm, TEX_STATE_SIZE, "TEX/tex-0", 0, 0);
+      ALLOC_STATE_IDX( tex[1], tex1_mm, TEX_STATE_SIZE, "TEX/tex-1", 0, 1);
+      ALLOC_STATE_IDX( tex[2], tex2_mm, TEX_STATE_SIZE, "TEX/tex-2", 0, 2);
+      ALLOC_STATE( mat[0], tcl_add4, MAT_STATE_SIZE, "MAT/modelproject", 1 );
+      ALLOC_STATE( mat[1], tcl_eyespace_or_fog_add4, MAT_STATE_SIZE, "MAT/modelview", 1 );
+      ALLOC_STATE( mat[2], tcl_eyespace_or_lighting_add4, MAT_STATE_SIZE, "MAT/it-modelview", 1 );
+      ALLOC_STATE( mat[3], tcl_tex0_add4, MAT_STATE_SIZE, "MAT/texmat0", 1 );
+      ALLOC_STATE( mat[4], tcl_tex1_add4, MAT_STATE_SIZE, "MAT/texmat1", 1 );
+      ALLOC_STATE( mat[5], tcl_tex2_add4, MAT_STATE_SIZE, "MAT/texmat2", 1 );
+      ALLOC_STATE( lit[0], tcl_lit0_add6, LIT_STATE_SIZE, "LIT/light-0", 1 );
+      ALLOC_STATE( lit[1], tcl_lit1_add6, LIT_STATE_SIZE, "LIT/light-1", 1 );
+      ALLOC_STATE( lit[2], tcl_lit2_add6, LIT_STATE_SIZE, "LIT/light-2", 1 );
+      ALLOC_STATE( lit[3], tcl_lit3_add6, LIT_STATE_SIZE, "LIT/light-3", 1 );
+      ALLOC_STATE( lit[4], tcl_lit4_add6, LIT_STATE_SIZE, "LIT/light-4", 1 );
+      ALLOC_STATE( lit[5], tcl_lit5_add6, LIT_STATE_SIZE, "LIT/light-5", 1 );
+      ALLOC_STATE( lit[6], tcl_lit6_add6, LIT_STATE_SIZE, "LIT/light-6", 1 );
+      ALLOC_STATE( lit[7], tcl_lit7_add6, LIT_STATE_SIZE, "LIT/light-7", 1 );
+      ALLOC_STATE( ucp[0], tcl_ucp0_add4, UCP_STATE_SIZE, "UCP/userclip-0", 1 );
+      ALLOC_STATE( ucp[1], tcl_ucp1_add4, UCP_STATE_SIZE, "UCP/userclip-1", 1 );
+      ALLOC_STATE( ucp[2], tcl_ucp2_add4, UCP_STATE_SIZE, "UCP/userclip-2", 1 );
+      ALLOC_STATE( ucp[3], tcl_ucp3_add4, UCP_STATE_SIZE, "UCP/userclip-3", 1 );
+      ALLOC_STATE( ucp[4], tcl_ucp4_add4, UCP_STATE_SIZE, "UCP/userclip-4", 1 );
+      ALLOC_STATE( ucp[5], tcl_ucp5_add4, UCP_STATE_SIZE, "UCP/userclip-5", 1 );
+   } else {
+      ALLOC_STATE( grd, always, GRD_STATE_SIZE, "GRD/guard-band", 1 );
+      ALLOC_STATE( fog, fog, FOG_STATE_SIZE, "FOG/fog", 1 );
+      ALLOC_STATE( glt, tcl_lighting, GLT_STATE_SIZE, "GLT/light-global", 1 );
+      ALLOC_STATE( eye, tcl_lighting, EYE_STATE_SIZE, "EYE/eye-vector", 1 );
+      ALLOC_STATE_IDX( tex[0], tex0, TEX_STATE_SIZE, "TEX/tex-0", 0, 0);
+      ALLOC_STATE_IDX( tex[1], tex1, TEX_STATE_SIZE, "TEX/tex-1", 0, 1);
+      ALLOC_STATE_IDX( tex[2], tex2, TEX_STATE_SIZE, "TEX/tex-2", 0, 2);
+      ALLOC_STATE( mat[0], tcl, MAT_STATE_SIZE, "MAT/modelproject", 1 );
+      ALLOC_STATE( mat[1], tcl_eyespace_or_fog, MAT_STATE_SIZE, "MAT/modelview", 1 );
+      ALLOC_STATE( mat[2], tcl_eyespace_or_lighting, MAT_STATE_SIZE, "MAT/it-modelview", 1 );
+      ALLOC_STATE( mat[3], tcl_tex0, MAT_STATE_SIZE, "MAT/texmat0", 1 );
+      ALLOC_STATE( mat[4], tcl_tex1, MAT_STATE_SIZE, "MAT/texmat1", 1 );
+      ALLOC_STATE( mat[5], tcl_tex2, MAT_STATE_SIZE, "MAT/texmat2", 1 );
+      ALLOC_STATE( lit[0], tcl_lit0, LIT_STATE_SIZE, "LIT/light-0", 1 );
+      ALLOC_STATE( lit[1], tcl_lit1, LIT_STATE_SIZE, "LIT/light-1", 1 );
+      ALLOC_STATE( lit[2], tcl_lit2, LIT_STATE_SIZE, "LIT/light-2", 1 );
+      ALLOC_STATE( lit[3], tcl_lit3, LIT_STATE_SIZE, "LIT/light-3", 1 );
+      ALLOC_STATE( lit[4], tcl_lit4, LIT_STATE_SIZE, "LIT/light-4", 1 );
+      ALLOC_STATE( lit[5], tcl_lit5, LIT_STATE_SIZE, "LIT/light-5", 1 );
+      ALLOC_STATE( lit[6], tcl_lit6, LIT_STATE_SIZE, "LIT/light-6", 1 );
+      ALLOC_STATE( lit[7], tcl_lit7, LIT_STATE_SIZE, "LIT/light-7", 1 );
+      ALLOC_STATE( ucp[0], tcl_ucp0, UCP_STATE_SIZE, "UCP/userclip-0", 1 );
+      ALLOC_STATE( ucp[1], tcl_ucp1, UCP_STATE_SIZE, "UCP/userclip-1", 1 );
+      ALLOC_STATE( ucp[2], tcl_ucp2, UCP_STATE_SIZE, "UCP/userclip-2", 1 );
+      ALLOC_STATE( ucp[3], tcl_ucp3, UCP_STATE_SIZE, "UCP/userclip-3", 1 );
+      ALLOC_STATE( ucp[4], tcl_ucp4, UCP_STATE_SIZE, "UCP/userclip-4", 1 );
+      ALLOC_STATE( ucp[5], tcl_ucp5, UCP_STATE_SIZE, "UCP/userclip-5", 1 );
+   }
 
    for (i = 0; i < 3; i++) {
       if (rmesa->radeon.radeonScreen->kernel_mm)
@@ -694,14 +787,19 @@ void radeonInitState( r100ContextPtr rmesa )
    }
    if (rmesa->radeon.radeonScreen->drmSupportsCubeMapsR100)
    {
-      ALLOC_STATE_IDX( cube[0], cube0, CUBE_STATE_SIZE, "CUBE/cube-0", 0, 0 );
-      ALLOC_STATE_IDX( cube[1], cube1, CUBE_STATE_SIZE, "CUBE/cube-1", 0, 1 );
-      ALLOC_STATE_IDX( cube[2], cube2, CUBE_STATE_SIZE, "CUBE/cube-2", 0, 2 );
-      for (i = 0; i < 3; i++)
-          if (rmesa->radeon.radeonScreen->kernel_mm)
-              rmesa->hw.cube[i].emit = cube_emit_cs;
-          else
-              rmesa->hw.cube[i].emit = cube_emit;
+      if (rmesa->radeon.radeonScreen->kernel_mm) {
+         ALLOC_STATE_IDX( cube[0], cube0_mm, CUBE_STATE_SIZE, "CUBE/cube-0", 0, 0 );
+         ALLOC_STATE_IDX( cube[1], cube1_mm, CUBE_STATE_SIZE, "CUBE/cube-1", 0, 1 );
+         ALLOC_STATE_IDX( cube[2], cube2_mm, CUBE_STATE_SIZE, "CUBE/cube-2", 0, 2 );
+         for (i = 0; i < 3; i++)
+            rmesa->hw.cube[i].emit = cube_emit_cs;
+      } else {
+         ALLOC_STATE_IDX( cube[0], cube0, CUBE_STATE_SIZE, "CUBE/cube-0", 0, 0 );
+         ALLOC_STATE_IDX( cube[1], cube1, CUBE_STATE_SIZE, "CUBE/cube-1", 0, 1 );
+         ALLOC_STATE_IDX( cube[2], cube2, CUBE_STATE_SIZE, "CUBE/cube-2", 0, 2 );
+         for (i = 0; i < 3; i++)
+            rmesa->hw.cube[i].emit = cube_emit;
+      }
    }
    else
    {
@@ -709,26 +807,6 @@ void radeonInitState( r100ContextPtr rmesa )
       ALLOC_STATE_IDX( cube[1], never, CUBE_STATE_SIZE, "CUBE/cube-1", 0, 1 );
       ALLOC_STATE_IDX( cube[2], never, CUBE_STATE_SIZE, "CUBE/cube-2", 0, 2 );
    }
-   ALLOC_STATE( mat[0], tcl, MAT_STATE_SIZE, "MAT/modelproject", 1 );
-   ALLOC_STATE( mat[1], tcl_eyespace_or_fog, MAT_STATE_SIZE, "MAT/modelview", 1 );
-   ALLOC_STATE( mat[2], tcl_eyespace_or_lighting, MAT_STATE_SIZE, "MAT/it-modelview", 1 );
-   ALLOC_STATE( mat[3], tcl_tex0, MAT_STATE_SIZE, "MAT/texmat0", 1 );
-   ALLOC_STATE( mat[4], tcl_tex1, MAT_STATE_SIZE, "MAT/texmat1", 1 );
-   ALLOC_STATE( mat[5], tcl_tex2, MAT_STATE_SIZE, "MAT/texmat2", 1 );
-   ALLOC_STATE( ucp[0], tcl_ucp0, UCP_STATE_SIZE, "UCP/userclip-0", 1 );
-   ALLOC_STATE( ucp[1], tcl_ucp1, UCP_STATE_SIZE, "UCP/userclip-1", 1 );
-   ALLOC_STATE( ucp[2], tcl_ucp2, UCP_STATE_SIZE, "UCP/userclip-2", 1 );
-   ALLOC_STATE( ucp[3], tcl_ucp3, UCP_STATE_SIZE, "UCP/userclip-3", 1 );
-   ALLOC_STATE( ucp[4], tcl_ucp4, UCP_STATE_SIZE, "UCP/userclip-4", 1 );
-   ALLOC_STATE( ucp[5], tcl_ucp5, UCP_STATE_SIZE, "UCP/userclip-5", 1 );
-   ALLOC_STATE( lit[0], tcl_lit0, LIT_STATE_SIZE, "LIT/light-0", 1 );
-   ALLOC_STATE( lit[1], tcl_lit1, LIT_STATE_SIZE, "LIT/light-1", 1 );
-   ALLOC_STATE( lit[2], tcl_lit2, LIT_STATE_SIZE, "LIT/light-2", 1 );
-   ALLOC_STATE( lit[3], tcl_lit3, LIT_STATE_SIZE, "LIT/light-3", 1 );
-   ALLOC_STATE( lit[4], tcl_lit4, LIT_STATE_SIZE, "LIT/light-4", 1 );
-   ALLOC_STATE( lit[5], tcl_lit5, LIT_STATE_SIZE, "LIT/light-5", 1 );
-   ALLOC_STATE( lit[6], tcl_lit6, LIT_STATE_SIZE, "LIT/light-6", 1 );
-   ALLOC_STATE( lit[7], tcl_lit7, LIT_STATE_SIZE, "LIT/light-7", 1 );
    ALLOC_STATE_IDX( txr[0], txr0, TXR_STATE_SIZE, "TXR/txr-0", 0, 0 );
    ALLOC_STATE_IDX( txr[1], txr1, TXR_STATE_SIZE, "TXR/txr-1", 0, 1 );
    ALLOC_STATE_IDX( txr[2], txr2, TXR_STATE_SIZE, "TXR/txr-2", 0, 2 );
diff --git a/src/mesa/drivers/dri/radeon/radeon_swtcl.c b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
index 58b3be9391b..a1b398e560b 100644
--- a/src/mesa/drivers/dri/radeon/radeon_swtcl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_swtcl.c
@@ -285,7 +285,7 @@ void r100_swtcl_flush(GLcontext *ctx, uint32_t current_offset)
    r100ContextPtr rmesa = R100_CONTEXT(ctx);
 
    rcommonEnsureCmdBufSpace(&rmesa->radeon,
-			    rmesa->radeon.hw.max_state_size + (12*sizeof(int)),
+			    radeonCountEmitSize( &rmesa->radeon ) + (12*sizeof(int)),
 			    __FUNCTION__);
 
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_tcl.c b/src/mesa/drivers/dri/radeon/radeon_tcl.c
index df6708f05e3..c5a73a28189 100644
--- a/src/mesa/drivers/dri/radeon/radeon_tcl.c
+++ b/src/mesa/drivers/dri/radeon/radeon_tcl.c
@@ -149,9 +149,6 @@ static GLushort *radeonAllocElts( r100ContextPtr rmesa, GLuint nr )
       if (rmesa->radeon.dma.flush)
 	 rmesa->radeon.dma.flush( rmesa->radeon.glCtx );
 
-      rcommonEnsureCmdBufSpace(&rmesa->radeon, rmesa->radeon.hw.max_state_size + ELTS_BUFSZ(nr) + 
-			       AOS_BUFSZ(rmesa->radeon.tcl.aos_count), __FUNCTION__);
-
       radeonEmitAOS( rmesa,
 		     rmesa->radeon.tcl.aos_count, 0 );
 
@@ -176,10 +173,6 @@ static void radeonEmitPrim( GLcontext *ctx,
    r100ContextPtr rmesa = R100_CONTEXT( ctx );
    radeonTclPrimitive( ctx, prim, hwprim );
    
-   rcommonEnsureCmdBufSpace( &rmesa->radeon,
-			     AOS_BUFSZ(rmesa->radeon.tcl.aos_count) +
-			     rmesa->radeon.hw.max_state_size + VBUF_BUFSZ, __FUNCTION__ );
-
    radeonEmitAOS( rmesa,
 		  rmesa->radeon.tcl.aos_count,
 		  start );
@@ -196,6 +189,8 @@ static void radeonEmitPrim( GLcontext *ctx,
    radeonEmitPrim( ctx, prim, hwprim, start, count );           \
    (void) rmesa; } while (0)
 
+#define MAX_CONVERSION_SIZE 40
+
 /* Try & join small primitives
  */
 #if 0
@@ -360,6 +355,68 @@ radeonComputeFogBlendFactor( GLcontext *ctx, GLfloat fogcoord )
    }
 }
 
+/**
+ * Predict total emit size for next rendering operation so there is no flush in middle of rendering
+ * Prediction has to aim towards the best possible value that is worse than worst case scenario
+ */
+static void radeonEnsureEmitSize( GLcontext * ctx , GLuint inputs )
+{
+  r100ContextPtr rmesa = R100_CONTEXT(ctx);
+  TNLcontext *tnl = TNL_CONTEXT(ctx);
+  struct vertex_buffer *VB = &tnl->vb;
+  GLuint space_required;
+  GLuint nr_aos = 1; /* radeonEmitArrays does always emit one */
+  int i;
+  /* list of flags that are allocating aos object */
+  const GLuint flags_to_check[] = {
+    VERT_BIT_NORMAL,
+    VERT_BIT_COLOR0,
+    VERT_BIT_COLOR1,
+    VERT_BIT_FOG
+  };
+  /* predict number of aos to emit */
+  for (i=0; i < sizeof(flags_to_check)/sizeof(flags_to_check[0]); ++i)
+  {
+    if (inputs & flags_to_check[i])
+      ++nr_aos;
+  }
+  for (i = 0; i < ctx->Const.MaxTextureUnits; ++i)
+  {
+    if (inputs & VERT_BIT_TEX(i))
+      ++nr_aos;
+  }
+
+  {
+    /* count the prediction for state size */
+    space_required = radeonCountEmitSize( &rmesa->radeon );
+    /* tcl may be changed in radeonEmitArrays so account for it if not dirty */
+    if (!rmesa->hw.tcl.dirty)
+      space_required += rmesa->hw.tcl.check( rmesa->radeon.glCtx, &rmesa->hw.tcl );
+    /* predict size for elements */
+    for (i = 0; i < VB->PrimitiveCount; ++i)
+    {
+      if (!VB->Primitive[i].count)
+	continue;
+      /* If primitive.count is less than MAX_CONVERSION_SIZE
+	 rendering code may decide convert to elts.
+	 In that case we have to make pessimistic prediction.
+	 and use larger of 2 paths. */
+      const GLuint elts = ELTS_BUFSZ(nr_aos);
+      const GLuint index = INDEX_BUFSZ;
+      const GLuint vbuf = VBUF_BUFSZ;
+      if ( (!VB->Elts && VB->Primitive[i].count >= MAX_CONVERSION_SIZE)
+	  || vbuf > index + elts)
+	space_required += vbuf;
+      else
+	space_required += index + elts;
+      space_required += AOS_BUFSZ(nr_aos);
+    }
+    space_required += SCISSOR_BUFSZ;
+  }
+  /* flush the buffer in case we need more than is left. */
+  rcommonEnsureCmdBufSpace(&rmesa->radeon, space_required, __FUNCTION__);
+}
+
 /**********************************************************************/
 /*                          Render pipeline stage                     */
 /**********************************************************************/
@@ -410,6 +467,7 @@ static GLboolean radeon_run_tcl_render( GLcontext *ctx,
    }
 
    radeonReleaseArrays( ctx, ~0 );
+   radeonEnsureEmitSize( ctx, inputs );
    radeonEmitArrays( ctx, inputs );
 
    rmesa->tcl.Elts = VB->Elts;