From 0931e21eb62af217564f450e9e56bc7b6f0e15c7 Mon Sep 17 00:00:00 2001
From: Stephane Marchesin <marchesin@icps.u-strasbg.fr>
Date: Sat, 27 Jan 2007 03:03:25 +0100
Subject: [PATCH] nouveau: more work on nv04, this time buffer
 format/pitches/...

---
 src/mesa/drivers/dri/nouveau/nouveau_object.c |  2 +
 src/mesa/drivers/dri/nouveau/nouveau_object.h |  2 +
 src/mesa/drivers/dri/nouveau/nv04_state.c     | 45 ++++++++++++++++++-
 3 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_object.c b/src/mesa/drivers/dri/nouveau/nouveau_object.c
index 26086e16e43..302009c8b17 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_object.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_object.c
@@ -70,6 +70,8 @@ void nouveauObjectInit(nouveauContextPtr nmesa)
 	} else {
 		nouveauCreateContextObject(nmesa, NvCtxSurf2D, NV04_CONTEXT_SURFACES_2D,
 	      			   0, 0, 0, 0);
+		nouveauCreateContextObject(nmesa, NvCtxSurf3D, NV04_CONTEXT_SURFACES_3D,
+	      			   0, 0, 0, 0);
 		nouveauCreateContextObject(nmesa, NvImageBlit, NV_IMAGE_BLIT,
 	      			   NV_DMA_CONTEXT_FLAGS_PATCH_SRCCOPY, 0, 0, 0);
 	}
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_object.h b/src/mesa/drivers/dri/nouveau/nouveau_object.h
index b1ff5a5d0dc..e154e0acff0 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_object.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_object.h
@@ -12,6 +12,7 @@ enum DMAObjects {
 	NvCtxSurf2D		= 0x80000020,
 	NvImageBlit		= 0x80000021,
 	NvMemFormat		= 0x80000022,
+	NvCtxSurf3D		= 0x80000023,
 	NvDmaFB			= 0xD0FB0001,
 	NvDmaAGP		= 0xD0AA0001,
 	NvSyncNotify		= 0xD0000001
@@ -21,6 +22,7 @@ enum DMASubchannel {
 	NvSubCtxSurf2D	= 0,
 	NvSubImageBlit	= 1,
 	NvSubMemFormat	= 2,
+	NvSubCtxSurf3D	= 3,
 	NvSub3D		= 7,
 };
 
diff --git a/src/mesa/drivers/dri/nouveau/nv04_state.c b/src/mesa/drivers/dri/nouveau/nv04_state.c
index 83ad8ae4327..ec4cd40d877 100644
--- a/src/mesa/drivers/dri/nouveau/nv04_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv04_state.c
@@ -267,6 +267,7 @@ static void nv04Enable(GLcontext *ctx, GLenum cap, GLboolean state)
 			break;
 		case GL_FOG:
 			nv04_emit_blend(ctx);
+			nv04_emit_fog_color(ctx);
 			break;
 //		case GL_HISTOGRAM:
 //		case GL_INDEX_LOGIC_OP:
@@ -436,14 +437,54 @@ static void nv04WindowMoved(nouveauContextPtr nmesa)
 /* Initialise any card-specific non-GL related state */
 static GLboolean nv04InitCard(nouveauContextPtr nmesa)
 {
+	nouveauObjectOnSubchannel(nmesa, NvSub3D, Nv3D);
+	nouveauObjectOnSubchannel(nmesa, NvSubCtxSurf3D, NvCtxSurf3D);
+
+	BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_DMA_NOTIFY, 3);
+	OUT_RING(NvDmaFB);
+	OUT_RING(NvDmaFB);
+	OUT_RING(NvDmaFB);
+	BEGIN_RING_SIZE(NvSub3D, NV04_DX5_TEXTURED_TRIANGLE_SURFACE, 1);
+	OUT_RING(NvCtxSurf3D);
 	return GL_TRUE;
 }
 
 /* Update buffer offset/pitch/format */
 static GLboolean nv04BindBuffers(nouveauContextPtr nmesa, int num_color,
-				 nouveau_renderbuffer **color,
-				 nouveau_renderbuffer *depth)
+		nouveau_renderbuffer **color,
+		nouveau_renderbuffer *depth)
 {
+	GLuint x, y, w, h;
+
+	w = color[0]->mesa.Width;
+	h = color[0]->mesa.Height;
+	x = nmesa->drawX;
+	y = nmesa->drawY;
+
+	/* FIXME pitches have to be aligned ! */
+	BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_PITCH, 2);
+	OUT_RING(color[0]->pitch|(depth->pitch<<16));
+	OUT_RING(color[0]->offset);
+
+	if (depth) {
+		BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_OFFSET_ZETA, 1);
+		OUT_RING(depth->offset);
+	}
+
+	BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_CLIP_HORIZONTAL, 2);
+	OUT_RING((w<<16)|x);
+	OUT_RING((h<<16)|y);
+
+	/* FIXME not sure... */
+	BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_CLIP_SIZE, 1);
+	OUT_RING((h<<16)|w);
+
+	BEGIN_RING_SIZE(NvSubCtxSurf3D, NV04_CONTEXT_SURFACES_3D_FORMAT, 1);
+	if (color[0]->mesa._ActualFormat == GL_RGBA8)
+		OUT_RING(108/*A8R8G8B8*/);
+	else
+		OUT_RING(103/*R5G6B5*/);
+
 	return GL_TRUE;
 }