Merge branch 'mesa_7_5_branch'

Conflicts:

	Makefile
	src/mesa/main/version.h

4 files changed, 31 insertions, 11 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 12bee1a8fb..8f0effd83e 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -43,6 +43,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "main/matrix.h"
 #include "main/extensions.h"
 #include "main/state.h"
+#include "main/texobj.h"
 #include "main/bufferobj.h"
 
 #include "swrast/swrast.h"
@@ -500,6 +501,7 @@ void r300DestroyContext(__DRIcontextPrivate * driContextPriv)
 	r300ContextPtr r300 = (r300ContextPtr) driContextPriv->driverPrivate;
 	radeonContextPtr radeon = (radeonContextPtr) r300;
 	radeonContextPtr current = ctx ? RADEON_CONTEXT(ctx) : NULL;
+	int i;
 
 	if (RADEON_DEBUG & DEBUG_DRI) {
 		fprintf(stderr, "Destroying context !\n");
@@ -553,6 +555,11 @@ void r300DestroyContext(__DRIcontextPrivate * driContextPriv)
 			assert(is_empty_list(&r300->swapped));
 		}
 
+                /* Drop texture object references from current hardware state */
+		for (i = 0; i < 8; i++) {
+			_mesa_reference_texobj(&r300->state.texture.unit[i].texobj, NULL);
+		}
+
 		radeonCleanupContext(&r300->radeon);
 
 #ifdef USER_BUFFERS
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index abe613e27b..f6ae4b675b 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -557,12 +557,15 @@ static GLboolean r300UpdateTexture(GLcontext * ctx, int unit)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-	struct gl_texture_object *tObj = texUnit->_Current;
-	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+	struct gl_texture_object *tObj = texUnit->_ReallyEnabled ?
+		texUnit->_Current : NULL;
+	r300TexObjPtr t = tObj ? (r300TexObjPtr) tObj->DriverData : NULL;
 
 	/* Fallback if there's a texture border */
-	if (tObj->Image[0][tObj->BaseLevel]->Border > 0)
-		return GL_FALSE;
+	if (tObj && tObj->Image[0][tObj->BaseLevel]->Border > 0) {
+		tObj = NULL;
+		t = NULL;
+	}
 
 	/* Update state if this is a different texture object to last
 	 * time.
@@ -579,11 +582,14 @@ static GLboolean r300UpdateTexture(GLcontext * ctx, int unit)
 		}
 
 		_mesa_reference_texobj(&rmesa->state.texture.unit[unit].texobj, tObj);
-		t->base.bound |= (1 << unit);
-		driUpdateTextureLRU(&t->base);	/* XXX: should be locked! */
+
+		if (t) {
+			t->base.bound |= (1 << unit);
+			driUpdateTextureLRU(&t->base);	/* XXX: should be locked! */
+		}
 	}
 
-	return !t->border_fallback;
+	return !t || !t->border_fallback;
 }
 
 void r300SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
@@ -651,7 +657,7 @@ static GLboolean r300UpdateTextureUnit(GLcontext * ctx, int unit)
 	} else if (texUnit->_ReallyEnabled) {
 		return GL_FALSE;
 	} else {
-		return GL_TRUE;
+		return r300UpdateTexture(ctx, unit);
 	}
 }
 
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 47db2acdf0..872982fa43 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -1370,6 +1370,9 @@ make_2d_stack_mipmap(GLenum datatype, GLuint comps, GLint border,
 
 /**
  * Down-sample a texture image to produce the next lower mipmap level.
+ * \param comps  components per texel (1, 2, 3 or 4)
+ * \param srcRowStride  stride between source rows, in texels
+ * \param dstRowStride  stride between destination rows, in texels
  */
 void
 _mesa_generate_mipmap_level(GLenum target,
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index e159b4c9db..dc6d77825f 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -87,7 +87,7 @@ st_render_mipmap(struct st_context *st,
    assert(target != GL_TEXTURE_3D); /* not done yet */
 
    /* check if we can render in the texture's format */
-   if (!screen->is_format_supported(screen, pt->format, target,
+   if (!screen->is_format_supported(screen, pt->format, pt->target,
                                     PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
       return FALSE;
    }
@@ -123,6 +123,7 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
       struct pipe_transfer *srcTrans, *dstTrans;
       const ubyte *srcData;
       ubyte *dstData;
+      int srcStride, dstStride;
 
       srcTrans = st_cond_flush_get_tex_transfer(st_context(ctx), pt, face,
 						srcLevel, zslice,
@@ -139,14 +140,17 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
       srcData = (ubyte *) screen->transfer_map(screen, srcTrans);
       dstData = (ubyte *) screen->transfer_map(screen, dstTrans);
 
+      srcStride = srcTrans->stride / srcTrans->block.size;
+      dstStride = dstTrans->stride / dstTrans->block.size;
+
       _mesa_generate_mipmap_level(target, datatype, comps,
                    0 /*border*/,
                    pt->width[srcLevel], pt->height[srcLevel], pt->depth[srcLevel],
                    srcData,
-                   srcTrans->stride, /* stride in bytes */
+                   srcStride, /* stride in texels */
                    pt->width[dstLevel], pt->height[dstLevel], pt->depth[dstLevel],
                    dstData,
-                   dstTrans->stride); /* stride in bytes */
+                   dstStride); /* stride in texels */
 
       screen->transfer_unmap(screen, srcTrans);
       screen->transfer_unmap(screen, dstTrans);