radeon: rework mipmap tree

3 files changed, 4 insertions, 12 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 8a56b9e63cb..4b5ed2d4102 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -169,7 +169,7 @@ static void emit_tex_offsets(GLcontext *ctx, struct radeon_state_atom * atom)
 		if (t && !t->image_override) {
 			BEGIN_BATCH_NO_AUTOSTATE(4);
 			OUT_BATCH_REGSEQ(R300_TX_OFFSET_0 + (i * 4), 1);
-			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);
 			END_BATCH();
 		} else if (!t) {
diff --git a/src/mesa/drivers/dri/r300/r300_tex.c b/src/mesa/drivers/dri/r300/r300_tex.c
index 7e94e93df2e..726b3ff98e1 100644
--- a/src/mesa/drivers/dri/r300/r300_tex.c
+++ b/src/mesa/drivers/dri/r300/r300_tex.c
@@ -223,12 +223,6 @@ static void r300TexParameter(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.
-		 */
-		radeon_miptree_unreference(&t->mt);
 		t->validated = GL_FALSE;
 		break;
 
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index 7b1adcf31dc..e6f2c0c1a7b 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -203,9 +203,7 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
 {
 	const struct gl_texture_image *firstImage;
-	int firstlevel = t->mt ? t->mt->firstLevel : 0;
-	    
-	firstImage = t->base.Image[0][firstlevel];
+	firstImage = t->base.Image[0][t->minLod];
 
 	if (!t->image_override
 	    && VALID_FORMAT(firstImage->TexFormat)) {
@@ -228,7 +226,7 @@ static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
 	t->pp_txsize = (((R300_TX_WIDTHMASK_MASK & ((firstImage->Width - 1) << R300_TX_WIDTHMASK_SHIFT)))
 			| ((R300_TX_HEIGHTMASK_MASK & ((firstImage->Height - 1) << R300_TX_HEIGHTMASK_SHIFT)))
 			| ((R300_TX_DEPTHMASK_MASK & ((firstImage->DepthLog2) << R300_TX_DEPTHMASK_SHIFT)))
-			| ((R300_TX_MAX_MIP_LEVEL_MASK & ((t->mt->lastLevel - t->mt->firstLevel) << R300_TX_MAX_MIP_LEVEL_SHIFT))));
+			| ((R300_TX_MAX_MIP_LEVEL_MASK & ((t->maxLod - t->minLod) << R300_TX_MAX_MIP_LEVEL_SHIFT))));
 
 	t->tile_bits = 0;
 
@@ -239,7 +237,7 @@ static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
 
 
 	if (t->base.Target == GL_TEXTURE_RECTANGLE_NV) {
-		unsigned int align = (64 / t->mt->bpp) - 1;
+		unsigned int align = (64 / _mesa_get_format_bytes(firstImage->TexFormat)) - 1;
 		t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
 		if (!t->image_override)
 			t->pp_txpitch = ((firstImage->Width + align) & ~align) - 1;