#include "hash.h"
#include "image.h"
#include "macros.h"
+#include "mfeatures.h"
#include "mtypes.h"
#include "varray.h"
#include "arrayobj.h"
if (ctx->Extensions.EXT_gpu_shader4) {
return array->Integer;
}
- /* fall-through */
+ goto error;
+ case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
+ if (ctx->Extensions.ARB_instanced_arrays) {
+ return array->InstanceDivisor;
+ }
+ goto error;
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
- return 0;
+ ; /* fall-through */
}
+
+error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
+ return 0;
}
}
+/**
+ * See GL_ARB_instanced_arrays.
+ * Note that the instance divisor only applies to generic arrays, not
+ * the legacy vertex arrays.
+ */
+void GLAPIENTRY
+_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->Extensions.ARB_instanced_arrays) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
+ return;
+ }
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)",
+ index);
+ return;
+ }
+
+ ctx->Array.ArrayObj->VertexAttrib[index].InstanceDivisor = divisor;
+}
+
+
+
/**
* Copy one client vertex array to another.
*/
dst->Enabled = src->Enabled;
dst->Normalized = src->Normalized;
dst->Integer = src->Integer;
+ dst->InstanceDivisor = src->InstanceDivisor;
dst->_ElementSize = src->_ElementSize;
_mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
dst->_MaxElement = src->_MaxElement;