/*
* Mesa 3-D graphics library
- * Version: 7.2
+ * Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* (C) Copyright IBM Corporation 2006
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "bufferobj.h"
#endif
#include "arrayobj.h"
-#include "glapi/dispatch.h"
+#include "macros.h"
+#include "main/dispatch.h"
/**
*/
static INLINE struct gl_array_object *
-lookup_arrayobj(GLcontext *ctx, GLuint id)
+lookup_arrayobj(struct gl_context *ctx, GLuint id)
{
- return (id == 0)
- ? NULL
- : (struct gl_array_object *) _mesa_HashLookup(ctx->Shared->ArrayObjects,
- id);
+ if (id == 0)
+ return NULL;
+ else
+ return (struct gl_array_object *)
+ _mesa_HashLookup(ctx->Array.Objects, id);
}
* This is done just prior to array object destruction.
*/
static void
-unbind_array_object_vbos(GLcontext *ctx, struct gl_array_object *obj)
+unbind_array_object_vbos(struct gl_context *ctx, struct gl_array_object *obj)
{
GLuint i;
_mesa_reference_buffer_object(ctx, &obj->Vertex.BufferObj, NULL);
+ _mesa_reference_buffer_object(ctx, &obj->Weight.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &obj->Normal.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &obj->Color.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &obj->SecondaryColor.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &obj->Index.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &obj->EdgeFlag.BufferObj, NULL);
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
+ for (i = 0; i < Elements(obj->TexCoord); i++)
_mesa_reference_buffer_object(ctx, &obj->TexCoord[i].BufferObj, NULL);
- for (i = 0; i < VERT_ATTRIB_MAX; i++)
+ for (i = 0; i < Elements(obj->VertexAttrib); i++)
_mesa_reference_buffer_object(ctx, &obj->VertexAttrib[i].BufferObj,NULL);
+
+#if FEATURE_point_size_array
+ _mesa_reference_buffer_object(ctx, &obj->PointSize.BufferObj, NULL);
+#endif
}
* \c dd_function_table::NewArrayObject.
*/
struct gl_array_object *
-_mesa_new_array_object( GLcontext *ctx, GLuint name )
+_mesa_new_array_object( struct gl_context *ctx, GLuint name )
{
struct gl_array_object *obj = CALLOC_STRUCT(gl_array_object);
if (obj)
* \c dd_function_table::DeleteArrayObject.
*/
void
-_mesa_delete_array_object( GLcontext *ctx, struct gl_array_object *obj )
+_mesa_delete_array_object( struct gl_context *ctx, struct gl_array_object *obj )
{
(void) ctx;
unbind_array_object_vbos(ctx, obj);
_glthread_DESTROY_MUTEX(obj->Mutex);
- _mesa_free(obj);
+ free(obj);
}
* Set ptr to arrayObj w/ reference counting.
*/
void
-_mesa_reference_array_object(GLcontext *ctx,
+_mesa_reference_array_object(struct gl_context *ctx,
struct gl_array_object **ptr,
struct gl_array_object *arrayObj)
{
static void
-init_array(GLcontext *ctx,
+init_array(struct gl_context *ctx,
struct gl_client_array *array, GLint size, GLint type)
{
array->Size = size;
array->Normalized = GL_FALSE;
#if FEATURE_ARB_vertex_buffer_object
/* Vertex array buffers */
- array->BufferObj = ctx->Array.NullBufferObj;
+ _mesa_reference_buffer_object(ctx, &array->BufferObj,
+ ctx->Shared->NullBufferObj);
#endif
}
* Initialize a gl_array_object's arrays.
*/
void
-_mesa_initialize_array_object( GLcontext *ctx,
+_mesa_initialize_array_object( struct gl_context *ctx,
struct gl_array_object *obj,
GLuint name )
{
/* Init the individual arrays */
init_array(ctx, &obj->Vertex, 4, GL_FLOAT);
+ init_array(ctx, &obj->Weight, 1, GL_FLOAT);
init_array(ctx, &obj->Normal, 3, GL_FLOAT);
init_array(ctx, &obj->Color, 4, GL_FLOAT);
init_array(ctx, &obj->SecondaryColor, 4, GL_FLOAT);
init_array(ctx, &obj->FogCoord, 1, GL_FLOAT);
init_array(ctx, &obj->Index, 1, GL_FLOAT);
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ for (i = 0; i < Elements(obj->TexCoord); i++) {
init_array(ctx, &obj->TexCoord[i], 4, GL_FLOAT);
}
init_array(ctx, &obj->EdgeFlag, 1, GL_BOOL);
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
+ for (i = 0; i < Elements(obj->VertexAttrib); i++) {
init_array(ctx, &obj->VertexAttrib[i], 4, GL_FLOAT);
}
/**
* Add the given array object to the array object pool.
*/
-void
-_mesa_save_array_object( GLcontext *ctx, struct gl_array_object *obj )
+static void
+save_array_object( struct gl_context *ctx, struct gl_array_object *obj )
{
if (obj->Name > 0) {
/* insert into hash table */
- _mesa_HashInsert(ctx->Shared->ArrayObjects, obj->Name, obj);
+ _mesa_HashInsert(ctx->Array.Objects, obj->Name, obj);
}
}
* Remove the given array object from the array object pool.
* Do not deallocate the array object though.
*/
-void
-_mesa_remove_array_object( GLcontext *ctx, struct gl_array_object *obj )
+static void
+remove_array_object( struct gl_context *ctx, struct gl_array_object *obj )
{
if (obj->Name > 0) {
/* remove from hash table */
- _mesa_HashRemove(ctx->Shared->ArrayObjects, obj->Name);
+ _mesa_HashRemove(ctx->Array.Objects, obj->Name);
}
}
+
+/**
+ * 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);
+ if (array->Enabled)
+ return MIN2(min, array->_MaxElement);
+ else
+ return min;
+}
+
+
+/**
+ * Examine vertex arrays to update the gl_array_object::_MaxElement field.
+ */
+void
+_mesa_update_array_object_max_element(struct gl_context *ctx,
+ struct gl_array_object *arrayObj)
+{
+ GLuint i, min = ~0;
+
+ min = update_min(min, &arrayObj->Vertex);
+ min = update_min(min, &arrayObj->Weight);
+ min = update_min(min, &arrayObj->Normal);
+ min = update_min(min, &arrayObj->Color);
+ min = update_min(min, &arrayObj->SecondaryColor);
+ min = update_min(min, &arrayObj->FogCoord);
+ min = update_min(min, &arrayObj->Index);
+ min = update_min(min, &arrayObj->EdgeFlag);
+#if FEATURE_point_size_array
+ min = update_min(min, &arrayObj->PointSize);
+#endif
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++)
+ min = update_min(min, &arrayObj->TexCoord[i]);
+ for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
+ min = update_min(min, &arrayObj->VertexAttrib[i]);
+
+ /* _MaxElement is one past the last legal array element */
+ arrayObj->_MaxElement = min;
+}
+
+
/**********************************************************************/
/* API Functions */
/**********************************************************************/
+
/**
- * Bind a new array.
- *
- * \todo
- * The binding could be done more efficiently by comparing the non-NULL
- * pointers in the old and new objects. The only arrays that are "dirty" are
- * the ones that are non-NULL in either object.
+ * Helper for _mesa_BindVertexArray() and _mesa_BindVertexArrayAPPLE().
+ * \param genRequired specifies behavour when id was not generated with
+ * glGenVertexArrays().
*/
-void GLAPIENTRY
-_mesa_BindVertexArrayAPPLE( GLuint id )
+static void
+bind_vertex_array(struct gl_context *ctx, GLuint id, GLboolean genRequired)
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_array_object * const oldObj = ctx->Array.ArrayObj;
struct gl_array_object *newObj = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
/* non-default array object */
newObj = lookup_arrayobj(ctx, id);
if (!newObj) {
- /* If this is a new array object id, allocate an array object now.
- */
+ if (genRequired) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindVertexArray(id)");
+ return;
+ }
+
+ /* For APPLE version, generate a new array object now */
newObj = (*ctx->Driver.NewArrayObject)(ctx, id);
if (!newObj) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindVertexArrayAPPLE");
return;
}
- _mesa_save_array_object(ctx, newObj);
+ save_array_object(ctx, newObj);
}
}
/* Pass BindVertexArray call to device driver */
if (ctx->Driver.BindArrayObject && newObj)
- (*ctx->Driver.BindArrayObject)( ctx, newObj );
+ ctx->Driver.BindArrayObject(ctx, newObj);
+}
+
+
+/**
+ * ARB version of glBindVertexArray()
+ * This function behaves differently from glBindVertexArrayAPPLE() in
+ * that this function requires all ids to have been previously generated
+ * by glGenVertexArrays[APPLE]().
+ */
+void GLAPIENTRY
+_mesa_BindVertexArray( GLuint id )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ bind_vertex_array(ctx, id, GL_TRUE);
+}
+
+
+/**
+ * Bind a new array.
+ *
+ * \todo
+ * The binding could be done more efficiently by comparing the non-NULL
+ * pointers in the old and new objects. The only arrays that are "dirty" are
+ * the ones that are non-NULL in either object.
+ */
+void GLAPIENTRY
+_mesa_BindVertexArrayAPPLE( GLuint id )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ bind_vertex_array(ctx, id, GL_FALSE);
}
return;
}
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
for (i = 0; i < n; i++) {
struct gl_array_object *obj = lookup_arrayobj(ctx, ids[i]);
}
/* The ID is immediately freed for re-use */
- _mesa_remove_array_object(ctx, obj);
+ remove_array_object(ctx, obj);
/* Unreference the array object.
* If refcount hits zero, the object will be deleted.
_mesa_reference_array_object(ctx, &obj, NULL);
}
}
-
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
}
/**
* Generate a set of unique array object IDs and store them in \c arrays.
- *
+ * Helper for _mesa_GenVertexArrays[APPLE]() functions below.
* \param n Number of IDs to generate.
* \param arrays Array of \c n locations to store the IDs.
+ * \param vboOnly Will arrays have to reside in VBOs?
*/
-void GLAPIENTRY
-_mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *arrays)
+static void
+gen_vertex_arrays(struct gl_context *ctx, GLsizei n, GLuint *arrays, GLboolean vboOnly)
{
- GET_CURRENT_CONTEXT(ctx);
GLuint first;
GLint i;
ASSERT_OUTSIDE_BEGIN_END(ctx);
return;
}
- /*
- * This must be atomic (generation and allocation of array object IDs)
- */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->ArrayObjects, n);
+ first = _mesa_HashFindFreeKeyBlock(ctx->Array.Objects, n);
/* Allocate new, empty array objects and return identifiers */
for (i = 0; i < n; i++) {
obj = (*ctx->Driver.NewArrayObject)( ctx, name );
if (!obj) {
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenVertexArraysAPPLE");
return;
}
- _mesa_save_array_object(ctx, obj);
+ obj->VBOonly = vboOnly;
+ save_array_object(ctx, obj);
arrays[i] = first + i;
}
+}
+
+
+/**
+ * ARB version of glGenVertexArrays()
+ * All arrays will be required to live in VBOs.
+ */
+void GLAPIENTRY
+_mesa_GenVertexArrays(GLsizei n, GLuint *arrays)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ gen_vertex_arrays(ctx, n, arrays, GL_TRUE);
+}
+
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+/**
+ * APPLE version of glGenVertexArraysAPPLE()
+ * Arrays may live in VBOs or ordinary memory.
+ */
+void GLAPIENTRY
+_mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *arrays)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ gen_vertex_arrays(ctx, n, arrays, GL_FALSE);
}
if (id == 0)
return GL_FALSE;
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
obj = lookup_arrayobj(ctx, id);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
return (obj != NULL) ? GL_TRUE : GL_FALSE;
}
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