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-rw-r--r--src/mesa/main/arrayobj.c34
-rw-r--r--src/mesa/main/state.c33
-rw-r--r--src/mesa/main/varray.h31
3 files changed, 35 insertions, 63 deletions
diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c
index d357ffb421d..85a8e0e569b 100644
--- a/src/mesa/main/arrayobj.c
+++ b/src/mesa/main/arrayobj.c
@@ -50,6 +50,7 @@
#include "arrayobj.h"
#include "macros.h"
#include "mtypes.h"
+#include "varray.h"
#include "main/dispatch.h"
@@ -280,44 +281,13 @@ remove_array_object( struct gl_context *ctx, struct gl_array_object *obj )
/**
- * Compute the index of the last array element that can be safely accessed
- * in a vertex array. We can really only do this when the array lives in
- * a VBO.
- * The array->_MaxElement field will be updated.
- * Later in glDrawArrays/Elements/etc we can do some bounds checking.
- */
-static void
-compute_max_element(struct gl_client_array *array)
-{
- if (array->BufferObj->Name) {
- /* Compute the max element we can access in the VBO without going
- * out of bounds.
- */
- array->_MaxElement = ((GLsizeiptrARB) array->BufferObj->Size
- - (GLsizeiptrARB) array->Ptr + array->StrideB
- - array->_ElementSize) / array->StrideB;
- if (0)
- printf("%s Object %u Size %u MaxElement %u\n",
- __FUNCTION__,
- array->BufferObj->Name,
- (GLuint) array->BufferObj->Size,
- array->_MaxElement);
- }
- else {
- /* user-space array, no idea how big it is */
- array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
- }
-}
-
-
-/**
* Helper for update_arrays().
* \return min(current min, array->_MaxElement).
*/
static GLuint
update_min(GLuint min, struct gl_client_array *array)
{
- compute_max_element(array);
+ _mesa_update_array_max_element(array);
if (array->Enabled)
return MIN2(min, array->_MaxElement);
else
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 1d1ae47374e..4696dbb526f 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -48,6 +48,7 @@
#include "texenvprogram.h"
#include "texobj.h"
#include "texstate.h"
+#include "varray.h"
static void
@@ -61,43 +62,13 @@ update_separate_specular(struct gl_context *ctx)
/**
- * Compute the index of the last array element that can be safely accessed
- * in a vertex array. We can really only do this when the array lives in
- * a VBO.
- * The array->_MaxElement field will be updated.
- * Later in glDrawArrays/Elements/etc we can do some bounds checking.
- */
-static void
-compute_max_element(struct gl_client_array *array)
-{
- assert(array->Enabled);
- if (array->BufferObj->Name) {
- GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
- GLsizeiptrARB obj_size = (GLsizeiptrARB) array->BufferObj->Size;
-
- if (offset < obj_size) {
- array->_MaxElement = (obj_size - offset +
- array->StrideB -
- array->_ElementSize) / array->StrideB;
- } else {
- array->_MaxElement = 0;
- }
- }
- else {
- /* user-space array, no idea how big it is */
- array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
- }
-}
-
-
-/**
* Helper for update_arrays().
* \return min(current min, array->_MaxElement).
*/
static GLuint
update_min(GLuint min, struct gl_client_array *array)
{
- compute_max_element(array);
+ _mesa_update_array_max_element(array);
return MIN2(min, array->_MaxElement);
}
diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h
index 53e68c89667..1c423200ffd 100644
--- a/src/mesa/main/varray.h
+++ b/src/mesa/main/varray.h
@@ -34,6 +34,37 @@
struct gl_client_array;
struct gl_context;
+
+/**
+ * Compute the index of the last array element that can be safely accessed in
+ * a vertex array. We can really only do this when the array lives in a VBO.
+ * The array->_MaxElement field will be updated.
+ * Later in glDrawArrays/Elements/etc we can do some bounds checking.
+ */
+static INLINE void
+_mesa_update_array_max_element(struct gl_client_array *array)
+{
+ assert(array->Enabled);
+
+ if (array->BufferObj->Name) {
+ GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
+ GLsizeiptrARB bufSize = (GLsizeiptrARB) array->BufferObj->Size;
+
+ if (offset < bufSize) {
+ array->_MaxElement = (bufSize - offset + array->StrideB
+ - array->_ElementSize) / array->StrideB;
+ }
+ else {
+ array->_MaxElement = 0;
+ }
+ }
+ else {
+ /* user-space array, no idea how big it is */
+ array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
+ }
+}
+
+
#if _HAVE_FULL_GL
extern void GLAPIENTRY