nv30: Emit framebuffer state using state objects

5 files changed, 92 insertions, 164 deletions

diff --git a/src/gallium/drivers/nv30/nv30_context.h b/src/gallium/drivers/nv30/nv30_context.h
index dce077b2b4b..4a6c1d2f47b 100644
--- a/src/gallium/drivers/nv30/nv30_context.h
+++ b/src/gallium/drivers/nv30/nv30_context.h
@@ -99,6 +99,7 @@ struct nv30_state {
 	unsigned stipple_enabled;
 	unsigned viewport_bypass;
 
+	uint64_t dirty;
 	struct nouveau_stateobj *hw[NV30_STATE_MAX];
 };
 
@@ -208,8 +209,10 @@ extern void nv30_fragprog_destroy(struct nv30_context *,
 extern void nv30_fragtex_bind(struct nv30_context *);
 
 /* nv30_state.c and friends */
+extern boolean nv30_state_validate(struct nv30_context *nv30);
 extern void nv30_emit_hw_state(struct nv30_context *nv30);
 extern void nv30_state_tex_update(struct nv30_context *nv30);
+extern struct nv30_state_entry nv30_state_framebuffer;
 
 /* nv30_vbo.c */
 extern boolean nv30_draw_arrays(struct pipe_context *, unsigned mode,
diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index c1618041bb0..3edfb0874da 100644
--- a/src/gallium/drivers/nv30/nv30_state.c
+++ b/src/gallium/drivers/nv30/nv30_state.c
@@ -565,110 +565,9 @@ nv30_set_framebuffer_state(struct pipe_context *pipe,
 			   const struct pipe_framebuffer_state *fb)
 {
 	struct nv30_context *nv30 = nv30_context(pipe);
-	struct pipe_surface *rt[2], *zeta = NULL;
-	uint32_t rt_enable, rt_format, w = 0, h = 0;
-	int i, colour_format = 0, zeta_format = 0;
-
-	rt_enable = 0;
-	for (i = 0; i < 2; i++) {
-		if (!fb->cbufs[i])
-			continue;
-
-		if (colour_format) {
-			assert(w == fb->cbufs[i]->width);
-			assert(h == fb->cbufs[i]->height);
-			assert(colour_format == fb->cbufs[i]->format);
-		} else {
-			w = fb->cbufs[i]->width;
-			h = fb->cbufs[i]->height;
-			colour_format = fb->cbufs[i]->format;
-			rt_enable |= (NV34TCL_RT_ENABLE_COLOR0 << i);
-			rt[i] = fb->cbufs[i];
-		}
-	}
-
-	if (rt_enable & (NV34TCL_RT_ENABLE_COLOR1 | NV34TCL_RT_ENABLE_COLOR2 |
-			 NV34TCL_RT_ENABLE_COLOR3))
-		rt_enable |= NV34TCL_RT_ENABLE_MRT;
-
-	if (fb->zsbuf) {
-		if (colour_format) {
-			assert(w == fb->zsbuf->width);
-			assert(h == fb->zsbuf->height);
-		} else {
-			w = fb->zsbuf->width;
-			h = fb->zsbuf->height;
-		}
-
-		zeta_format = fb->zsbuf->format;
-		zeta = fb->zsbuf;
-	}
-
-	rt_format = NV34TCL_RT_FORMAT_TYPE_LINEAR;
-
-	switch (colour_format) {
-	case PIPE_FORMAT_A8R8G8B8_UNORM:
-	case 0:
-		rt_format |= NV34TCL_RT_FORMAT_COLOR_A8R8G8B8;
-		break;
-	case PIPE_FORMAT_R5G6B5_UNORM:
-		rt_format |= NV34TCL_RT_FORMAT_COLOR_R5G6B5;
-		break;
-	default:
-		assert(0);
-	}
-
-	switch (zeta_format) {
-	case PIPE_FORMAT_Z16_UNORM:
-		rt_format |= NV34TCL_RT_FORMAT_ZETA_Z16;
-		break;
-	case PIPE_FORMAT_Z24S8_UNORM:
-	case 0:
-		rt_format |= NV34TCL_RT_FORMAT_ZETA_Z24S8;
-		break;
-	default:
-		assert(0);
-	}
-
-	if (rt_enable & NV34TCL_RT_ENABLE_COLOR0) {
-		uint32_t pitch = rt[0]->stride;
-		if (zeta) {
-			pitch |= (zeta->stride << 16);
-		} else {
-			pitch |= (pitch << 16);
-		}
-
-		BEGIN_RING(rankine, NV34TCL_COLOR0_PITCH, 1);
-		OUT_RING  (pitch);
-		nv30->rt[0] = rt[0]->buffer;
-	}
-
-	if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) {
-		BEGIN_RING(rankine, NV34TCL_COLOR1_PITCH, 1);
-		OUT_RING  (rt[1]->stride);
-		nv30->rt[1] = rt[1]->buffer;
-	}
-
-	if (zeta_format)
-	{
-		nv30->zeta = zeta->buffer;
-	}
 
-	nv30->rt_enable = rt_enable;
-	BEGIN_RING(rankine, NV34TCL_RT_ENABLE, 1);
-	OUT_RING  (rt_enable);
-	BEGIN_RING(rankine, NV34TCL_RT_HORIZ, 3);
-	OUT_RING  ((w << 16) | 0);
-	OUT_RING  ((h << 16) | 0);
-	OUT_RING  (rt_format);
-	BEGIN_RING(rankine, NV34TCL_VIEWPORT_HORIZ, 2);
-	OUT_RING  ((w << 16) | 0);
-	OUT_RING  ((h << 16) | 0);
-	BEGIN_RING(rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(0), 2);
-	OUT_RING  (((w - 1) << 16) | 0);
-	OUT_RING  (((h - 1) << 16) | 0);
-	BEGIN_RING(rankine, NV34TCL_VIEWPORT_TX_ORIGIN, 1);
-	OUT_RING  (0);
+	nv30->framebuffer = *fb;
+	nv30->dirty |= NV30_NEW_FB;
 }
 
 static void
diff --git a/src/gallium/drivers/nv30/nv30_state_emit.c b/src/gallium/drivers/nv30/nv30_state_emit.c
index eda2fd45f56..9a3954594a7 100644
--- a/src/gallium/drivers/nv30/nv30_state_emit.c
+++ b/src/gallium/drivers/nv30/nv30_state_emit.c
@@ -1,10 +1,55 @@
 #include "nv30_context.h"
 #include "nv30_state.h"
 
+static struct nv30_state_entry *render_states[] = {
+	&nv30_state_framebuffer,
+	NULL
+};
+
+static void
+nv30_state_do_validate(struct nv30_context *nv30,
+		       struct nv30_state_entry **states)
+{
+	const struct pipe_framebuffer_state *fb = &nv30->framebuffer;
+	unsigned i;
+
+	for (i = 0; i < fb->num_cbufs; i++)
+		fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
+	if (fb->zsbuf)
+		fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
+
+	while (*states) {
+		struct nv30_state_entry *e = *states;
+
+		if (nv30->dirty & e->dirty.pipe) {
+			if (e->validate(nv30)) {
+				nv30->state.dirty |= (1ULL << e->dirty.hw);
+			}
+		}
+
+		states++;
+	}
+
+/*	TODO: uncomment when finished converting
+	nv30->dirty = 0;
+*/
+}
+
 void
 nv30_emit_hw_state(struct nv30_context *nv30)
 {
-	int i;
+	struct nv30_state *state = &nv30->state;
+	unsigned i;
+	uint64 states;
+
+	for (i = 0, states = state->dirty; states; i++) {
+		if (!(states & (1ULL << i)))
+			continue;
+		so_ref (state->hw[i], &nv30->screen->state[i]);
+		if (state->hw[i])
+			so_emit(nv30->nvws, nv30->screen->state[i]);
+		states &= ~(1ULL << i);
+	}
 
 	if (nv30->dirty & NV30_NEW_FRAGPROG) {
 		nv30_fragprog_bind(nv30, nv30->fragprog.current);
@@ -28,37 +73,7 @@ nv30_emit_hw_state(struct nv30_context *nv30)
 
 	nv30->dirty_samplers = 0;
 
-	/* Emit relocs for every referenced buffer.
-	 * This is to ensure the bufmgr has an accurate idea of how
-	 * the buffer is used.  This isn't very efficient, but we don't
-	 * seem to take a significant performance hit.  Will be improved
-	 * at some point.  Vertex arrays are emitted by nv30_vbo.c
-	 */
-
-	/* Render targets */
-	if (nv30->rt_enable & NV34TCL_RT_ENABLE_COLOR0) {
-		BEGIN_RING(rankine, NV34TCL_DMA_COLOR0, 1);
-		OUT_RELOCo(nv30->rt[0], NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-		BEGIN_RING(rankine, NV34TCL_COLOR0_OFFSET, 1);
-		OUT_RELOCl(nv30->rt[0], 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	}
-
-	if (nv30->rt_enable & NV34TCL_RT_ENABLE_COLOR1) {
-		BEGIN_RING(rankine, NV34TCL_DMA_COLOR1, 1);
-		OUT_RELOCo(nv30->rt[1], NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-		BEGIN_RING(rankine, NV34TCL_COLOR1_OFFSET, 1);
-		OUT_RELOCl(nv30->rt[1], 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-	}
-
-	if (nv30->zeta) {
-		BEGIN_RING(rankine, NV34TCL_DMA_ZETA, 1);
-		OUT_RELOCo(nv30->zeta, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-		BEGIN_RING(rankine, NV34TCL_ZETA_OFFSET, 1);
-		OUT_RELOCl(nv30->zeta, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
-		/* XXX allocate LMA */
-/*		BEGIN_RING(rankine, NV34TCL_LMA_DEPTH_OFFSET, 1);
-		OUT_RING(0);*/
-	}
+	so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FB]);
 
 	/* Texture images, emitted in nv30_fragtex_build */
 #if 0
@@ -83,3 +98,35 @@ nv30_emit_hw_state(struct nv30_context *nv30)
 		   NV34TCL_FP_ACTIVE_PROGRAM_DMA1);
 }
 
+boolean
+nv30_state_validate(struct nv30_context *nv30)
+{
+#if 0
+	boolean was_sw = nv30->fallback_swtnl ? TRUE : FALSE;
+
+	if (nv30->render_mode != HW) {
+		/* Don't even bother trying to go back to hw if none
+		 * of the states that caused swtnl previously have changed.
+		 */
+		if ((nv30->fallback_swtnl & nv30->dirty)
+				!= nv30->fallback_swtnl)
+			return FALSE;
+
+		/* Attempt to go to hwtnl again */
+		nv30->pipe.flush(&nv30->pipe, 0, NULL);
+		nv30->dirty |= (NV30_NEW_VIEWPORT |
+				NV30_NEW_VERTPROG |
+				NV30_NEW_ARRAYS);
+		nv30->render_mode = HW;
+	}
+#endif
+	nv30_state_do_validate(nv30, render_states);
+#if 0
+	if (nv30->fallback_swtnl || nv30->fallback_swrast)
+		return FALSE;
+	
+	if (was_sw)
+		NOUVEAU_ERR("swtnl->hw\n");
+#endif
+	return TRUE;
+}
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c b/src/gallium/drivers/nv30/nv30_state_fb.c
index a20df9f75d1..d93e2bb5c89 100644
--- a/src/gallium/drivers/nv30/nv30_state_fb.c
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -4,7 +4,7 @@ static boolean
 nv30_state_framebuffer_validate(struct nv30_context *nv30)
 {
 	struct pipe_framebuffer_state *fb = &nv30->framebuffer;
-	struct pipe_surface *rt[4], *zeta = NULL;
+	struct pipe_surface *rt[2], *zeta = NULL;
 	uint32_t rt_enable, rt_format;
 	int i, colour_format = 0, zeta_format = 0;
 	struct nouveau_stateobj *so = so_new(64, 10);
@@ -23,8 +23,7 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 		}
 	}
 
-	if (rt_enable & (NV34TCL_RT_ENABLE_COLOR1 | NV34TCL_RT_ENABLE_COLOR2 |
-			 NV34TCL_RT_ENABLE_COLOR3))
+	if (rt_enable & NV34TCL_RT_ENABLE_COLOR1)
 		rt_enable |= NV34TCL_RT_ENABLE_MRT;
 
 	if (fb->zsbuf) {
@@ -86,31 +85,7 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_data  (so, rt[1]->stride);
 	}
-/*
-	if (rt_enable & NV34TCL_RT_ENABLE_COLOR2) {
-		so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR2, 1);
-		so_reloc (so, rt[2]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
-			  nv30->nvws->channel->vram->handle,
-			  nv30->nvws->channel->gart->handle);
-		so_method(so, nv30->screen->rankine, NV34TCL_COLOR2_OFFSET, 1);
-		so_reloc (so, rt[2]->buffer, rt[2]->offset, rt_flags |
-			  NOUVEAU_BO_LOW, 0, 0);
-		so_method(so, nv30->screen->rankine, NV34TCL_COLOR2_PITCH, 1);
-		so_data  (so, rt[2]->pitch * rt[2]->cpp);
-	}
 
-	if (rt_enable & NV34TCL_RT_ENABLE_COLOR3) {
-		so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR3, 1);
-		so_reloc (so, rt[3]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
-			  nv30->nvws->channel->vram->handle,
-			  nv30->nvws->channel->gart->handle);
-		so_method(so, nv30->screen->rankine, NV34TCL_COLOR3_OFFSET, 1);
-		so_reloc (so, rt[3]->buffer, rt[3]->offset, rt_flags |
-			  NOUVEAU_BO_LOW, 0, 0);
-		so_method(so, nv30->screen->rankine, NV34TCL_COLOR3_PITCH, 1);
-		so_data  (so, rt[3]->pitch * rt[3]->cpp);
-	}
-*/
 	if (zeta_format) {
 		so_method(so, nv30->screen->rankine, NV34TCL_DMA_ZETA, 1);
 		so_reloc (so, zeta->buffer, 0, rt_flags | NOUVEAU_BO_OR,
@@ -119,8 +94,7 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 		so_method(so, nv30->screen->rankine, NV34TCL_ZETA_OFFSET, 1);
 		so_reloc (so, zeta->buffer, zeta->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
-		/*so_method(so, nv30->screen->rankine, NV34TCL_ZETA_PITCH, 1);
-		so_data  (so, zeta->pitch * zeta->cpp);*/
+		/* TODO: allocate LMA depth buffer */
 	}
 
 	so_method(so, nv30->screen->rankine, NV34TCL_RT_ENABLE, 1);
@@ -137,6 +111,9 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 	so_data  (so, ((h - 1) << 16) | 0);
 	so_method(so, nv30->screen->rankine, 0x1d88, 1);
 	so_data  (so, (1 << 12) | h);
+	/* Wonder why this is needed, context should all be set to zero on init */
+	so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_TX_ORIGIN, 1);
+	so_data  (so, 0);
 
 	so_ref(so, &nv30->state.hw[NV30_STATE_FB]);
 	return TRUE;
diff --git a/src/gallium/drivers/nv30/nv30_vbo.c b/src/gallium/drivers/nv30/nv30_vbo.c
index 359e443bb1c..d23164eb485 100644
--- a/src/gallium/drivers/nv30/nv30_vbo.c
+++ b/src/gallium/drivers/nv30/nv30_vbo.c
@@ -154,6 +154,8 @@ nv30_vbo_validate_state(struct nv30_context *nv30,
 {
 	unsigned inputs;
 
+	nv30_state_validate(nv30);
+
 	nv30_emit_hw_state(nv30);
 
 	if (nv30->dirty & NV30_NEW_ARRAYS) {