From 93eb2ab8c395f81e40fa298d78805bb2c777f891 Mon Sep 17 00:00:00 2001
From: Maciej Cencora <m.cencora@gmail.com>
Date: Tue, 17 Nov 2009 19:46:37 +0100
Subject: [PATCH] radeon: align for mipmap tree changes

---
 src/mesa/drivers/dri/radeon/radeon_state_init.c |  4 ++--
 src/mesa/drivers/dri/radeon/radeon_tex.c        | 18 +++---------------
 src/mesa/drivers/dri/radeon/radeon_texstate.c   | 22 +++++++++-------------
 3 files changed, 14 insertions(+), 30 deletions(-)

diff --git a/src/mesa/drivers/dri/radeon/radeon_state_init.c b/src/mesa/drivers/dri/radeon/radeon_state_init.c
index 2d19220..dd82888 100644
--- a/src/mesa/drivers/dri/radeon/radeon_state_init.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state_init.c
@@ -645,11 +645,11 @@ static void tex_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
      OUT_BATCH(CP_PACKET0(RADEON_PP_TXOFFSET_0 + (24 * i), 0));
      if (t->mt && !t->image_override) {
         if ((ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_CUBE_BIT)) {
-            lvl = &t->mt->levels[0];
+            lvl = &t->mt->levels[t->minLod];
 	    OUT_BATCH_RELOC(lvl->faces[5].offset, t->mt->bo, lvl->faces[5].offset,
 			RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0, 0);
         } else {
-           OUT_BATCH_RELOC(t->tile_bits, t->mt->bo, 0,
+           OUT_BATCH_RELOC(t->tile_bits, t->mt->bo, get_base_teximage_offset(t),
 		     RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0, 0);
         }
       } else {
diff --git a/src/mesa/drivers/dri/radeon/radeon_tex.c b/src/mesa/drivers/dri/radeon/radeon_tex.c
index 60981aa..749ab75 100644
--- a/src/mesa/drivers/dri/radeon/radeon_tex.c
+++ b/src/mesa/drivers/dri/radeon/radeon_tex.c
@@ -348,17 +348,7 @@ static void radeonTexParameter( GLcontext *ctx, GLenum target,
    case GL_TEXTURE_MAX_LEVEL:
    case GL_TEXTURE_MIN_LOD:
    case GL_TEXTURE_MAX_LOD:
-
-      /* This isn't the most efficient solution but there doesn't appear to
-       * be a nice alternative.  Since there's no LOD clamping,
-       * we just have to rely on loading the right subset of mipmap levels
-       * to simulate a clamped LOD.
-       */
-      if (t->mt) {
-         radeon_miptree_unreference(t->mt);
-	 t->mt = 0;
-	 t->validated = GL_FALSE;
-      }
+      t->validated = GL_FALSE;
       break;
 
    default:
@@ -388,10 +378,8 @@ static void radeonDeleteTexture( GLcontext *ctx,
      }
    }
 
-   if (t->mt) {
-      radeon_miptree_unreference(t->mt);
-      t->mt = 0;
-   }
+   radeon_miptree_unreference(&t->mt);
+
    /* Free mipmap images and the texture object itself */
    _mesa_delete_texture_object(ctx, texObj);
 }
diff --git a/src/mesa/drivers/dri/radeon/radeon_texstate.c b/src/mesa/drivers/dri/radeon/radeon_texstate.c
index 429977a..4d9eb73 100644
--- a/src/mesa/drivers/dri/radeon/radeon_texstate.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texstate.c
@@ -699,14 +699,10 @@ void radeonSetTexBuffer2(__DRIcontext *pDRICtx, GLint target, GLint glx_texture_
 		radeon_bo_unref(rImage->bo);
 		rImage->bo = NULL;
 	}
-	if (t->mt) {
-		radeon_miptree_unreference(t->mt);
-		t->mt = NULL;
-	}
-	if (rImage->mt) {
-		radeon_miptree_unreference(rImage->mt);
-		rImage->mt = NULL;
-	}
+
+	radeon_miptree_unreference(&t->mt);
+	radeon_miptree_unreference(&rImage->mt);
+
 	_mesa_init_teximage_fields(radeon->glCtx, target, texImage,
 				   rb->base.Width, rb->base.Height, 1, 0, rb->cpp);
 	texImage->RowStride = rb->pitch / rb->cpp;
@@ -1021,7 +1017,7 @@ static GLboolean setup_hardware_state(r100ContextPtr rmesa, radeonTexObj *t, int
 	return GL_TRUE;
    }
 
-   firstImage = t->base.Image[0][t->mt->firstLevel];   
+   firstImage = t->base.Image[0][t->minLod];
 
    if (firstImage->Border > 0) {
       fprintf(stderr, "%s: border\n", __FUNCTION__);
@@ -1049,9 +1045,9 @@ static GLboolean setup_hardware_state(r100ContextPtr rmesa, radeonTexObj *t, int
 	 return GL_FALSE;
       }
    }
-   
+
    t->pp_txfilter &= ~RADEON_MAX_MIP_LEVEL_MASK;
-   t->pp_txfilter |= (t->mt->lastLevel - t->mt->firstLevel) << RADEON_MAX_MIP_LEVEL_SHIFT;
+   t->pp_txfilter |= (t->maxLod - t->minLod) << RADEON_MAX_MIP_LEVEL_SHIFT;
 	
    t->pp_txformat &= ~(RADEON_TXFORMAT_WIDTH_MASK |
 		       RADEON_TXFORMAT_HEIGHT_MASK |
@@ -1060,9 +1056,9 @@ static GLboolean setup_hardware_state(r100ContextPtr rmesa, radeonTexObj *t, int
 		       RADEON_TXFORMAT_F5_HEIGHT_MASK);
    t->pp_txformat |= ((log2Width << RADEON_TXFORMAT_WIDTH_SHIFT) |
 		      (log2Height << RADEON_TXFORMAT_HEIGHT_SHIFT));
-   
+
    t->tile_bits = 0;
-   
+
    if (t->base.Target == GL_TEXTURE_CUBE_MAP) {
       ASSERT(log2Width == log2Height);
       t->pp_txformat |= ((log2Width << RADEON_TXFORMAT_F5_WIDTH_SHIFT) |
-- 
2.7.4