Mesa (master): r600: fix vertex buffer size calculation

[Andre Maasikas]

Module: Mesa
Branch: master
Commit: 0599509fc4e21a69bcbf121deacbc631c38ccfa2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0599509fc4e21a69bcbf121deacbc631c38ccfa2

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Thu Aug 26 15:22:21 2010 +0300

r600: fix vertex buffer size calculation

when we dont know max_index we cannot calculate vb size from count
anymore - just use the bo size.
Also added an assert to remind that we dont handle GL_INT GL_DOUBLE
upload when we dont' know max_index - will fix later

---

 src/mesa/drivers/dri/r600/r700_chip.c   |   13 +------------
 src/mesa/drivers/dri/r600/r700_render.c |    1 +
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_chip.c b/src/mesa/drivers/dri/r600/r700_chip.c
index d17884f..71f1af7 100644
--- a/src/mesa/drivers/dri/r600/r700_chip.c
+++ b/src/mesa/drivers/dri/r600/r700_chip.c
@@ -173,7 +173,6 @@ static void r700SetupVTXConstants(GLcontext  * ctx,
 {
     context_t *context = R700_CONTEXT(ctx);
     struct radeon_aos * paos = (struct radeon_aos *)pAos;
-    unsigned int nVBsize;
     BATCH_LOCALS(&context->radeon);
 
     unsigned int uSQ_VTX_CONSTANT_WORD0_0;
@@ -194,18 +193,8 @@ static void r700SetupVTXConstants(GLcontext  * ctx,
     else
 	    r700SyncSurf(context, paos->bo, RADEON_GEM_DOMAIN_GTT, 0, VC_ACTION_ENA_bit);
 
-    if(0 == pStreamDesc->stride)
-    {
-        nVBsize = paos->count * pStreamDesc->size * getTypeSize(pStreamDesc->type);
-    }
-    else
-    {
-        nVBsize = (paos->count - 1) * pStreamDesc->stride
-                  + pStreamDesc->size * getTypeSize(pStreamDesc->type);
-    }
-
     uSQ_VTX_CONSTANT_WORD0_0 = paos->offset;
-    uSQ_VTX_CONSTANT_WORD1_0 = nVBsize - 1;
+    uSQ_VTX_CONSTANT_WORD1_0 = paos->bo->size - paos->offset - 1;
 
     SETfield(uSQ_VTX_CONSTANT_WORD2_0, 0, BASE_ADDRESS_HI_shift, BASE_ADDRESS_HI_mask); /* TODO */
     SETfield(uSQ_VTX_CONSTANT_WORD2_0, pStreamDesc->stride, SQ_VTX_CONSTANT_WORD2_0__STRIDE_shift,
diff --git a/src/mesa/drivers/dri/r600/r700_render.c b/src/mesa/drivers/dri/r600/r700_render.c
index c5771f9..f90c69c 100644
--- a/src/mesa/drivers/dri/r600/r700_render.c
+++ b/src/mesa/drivers/dri/r600/r700_render.c
@@ -644,6 +644,7 @@ static void r700SetupStreams(GLcontext *ctx, const struct gl_client_array *input
 #endif
             ) 
         {
+            assert(count);
             r700ConvertAttrib(ctx, count, input[i], &context->stream_desc[index]);
         } 
         else