mesa: Allow setting GL_TEXTURE_MAX_LEVEL to 0 with GL_TEXTURE_RECTANGLE.

[mesa.git] / src / mesa / main / varray.h

diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h
index 2b54fde983636fb71aef3476535b5674eadcc59c..bc820ed2357f058c762983ab75635976fc8c9037 100644 (file)
--- a/src/mesa/main/varray.h
+++ b/src/mesa/main/varray.h
@@ -29,6 +29,7 @@
 
 
 #include "glheader.h"
+#include "bufferobj.h"
 
 struct gl_client_array;
 struct gl_context;
@@ -50,8 +51,10 @@ _mesa_update_array_max_element(struct gl_client_array *array)
       GLsizeiptrARB bufSize = (GLsizeiptrARB) array->BufferObj->Size;
 
       if (offset < bufSize) {
-        array->_MaxElement = (bufSize - offset + array->StrideB
-                               - array->_ElementSize) / array->StrideB;
+         const GLuint stride = array->StrideB ?
+                                 array->StrideB : array->_ElementSize;
+         array->_MaxElement = (bufSize - offset + stride
+                                  - array->_ElementSize) / stride;
       }
       else {
         array->_MaxElement = 0;
@@ -64,15 +67,48 @@ _mesa_update_array_max_element(struct gl_client_array *array)
 }
 
 
-extern void GLAPIENTRY
-_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
-                    const GLvoid *ptr);
+/**
+ * Returns a pointer to the vertex attribute data in a client array,
+ * or the offset into the vertex buffer for an array that resides in
+ * a vertex buffer.
+ */
+static inline const GLubyte *
+_mesa_vertex_attrib_address(const struct gl_vertex_attrib_array *array,
+                            const struct gl_vertex_buffer_binding *binding)
+{
+   if (_mesa_is_bufferobj(binding->BufferObj))
+      return (const GLubyte *) (binding->Offset + array->RelativeOffset);
+   else
+      return array->Ptr;       
+}
 
-extern void GLAPIENTRY
-_mesa_UnlockArraysEXT( void );
+/**
+ * Sets the fields in a gl_client_array to values derived from a
+ * gl_vertex_attrib_array and a gl_vertex_buffer_binding.
+ */
+static inline void
+_mesa_update_client_array(struct gl_context *ctx,
+                          struct gl_client_array *dst,
+                          const struct gl_vertex_attrib_array *src,
+                          const struct gl_vertex_buffer_binding *binding)
+{
+   dst->Size = src->Size;
+   dst->Type = src->Type;
+   dst->Format = src->Format;
+   dst->Stride = src->Stride;
+   dst->StrideB = binding->Stride;
+   dst->Ptr = _mesa_vertex_attrib_address(src, binding);
+   dst->Enabled = src->Enabled;
+   dst->Normalized = src->Normalized;
+   dst->Integer = src->Integer;
+   dst->InstanceDivisor = binding->InstanceDivisor;
+   dst->_ElementSize = src->_ElementSize;
+   _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
+}
 
 extern void GLAPIENTRY
-_mesa_LockArraysEXT(GLint first, GLsizei count);
+_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
+                    const GLvoid *ptr);
 
 
 extern void GLAPIENTRY
@@ -278,6 +314,15 @@ _mesa_copy_client_array(struct gl_context *ctx,
                         struct gl_client_array *dst,
                         struct gl_client_array *src);
 
+extern void
+_mesa_copy_vertex_attrib_array(struct gl_context *ctx,
+                               struct gl_vertex_attrib_array *dst,
+                               const struct gl_vertex_attrib_array *src);
+
+extern void
+_mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
+                                 struct gl_vertex_buffer_binding *dst,
+                                 const struct gl_vertex_buffer_binding *src);
 
 extern void
 _mesa_print_arrays(struct gl_context *ctx);