void
meta_restore_texcoords(struct dri_metaops *meta)
{
GLcontext *ctx = meta->ctx;
/* Restore the old TexCoordPointer */
if (meta->saved_texcoord_vbo) {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->saved_texcoord_vbo->Name);
_mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo, NULL);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
_mesa_TexCoordPointer(meta->saved_texcoord_size,
meta->saved_texcoord_type,
meta->saved_texcoord_stride,
meta->saved_texcoord_ptr);
if (!meta->saved_texcoord_enable)
_mesa_Disable(GL_TEXTURE_COORD_ARRAY);
_mesa_ClientActiveTextureARB(GL_TEXTURE0 +
meta->saved_active_texture);
if (meta->saved_array_vbo) {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->saved_array_vbo->Name);
_mesa_reference_buffer_object(ctx, &meta->saved_array_vbo, NULL);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
}
/**
* Per-context one-time init of things for intl_clear_tris().
* Basically set up a private array object for vertex/color arrays.
*/
static void
init_clear(GLcontext *ctx)
{
struct intel_context *intel = intel_context(ctx);
struct gl_array_object *arraySave = NULL;
const GLuint arrayBuffer = ctx->Array.ArrayBufferObj->Name;
const GLuint elementBuffer = ctx->Array.ElementArrayBufferObj->Name;
/* create new array object */
intel->clear.arrayObj = _mesa_new_array_object(ctx, ~0);
/* save current array object, bind new one */
_mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj);
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, intel->clear.arrayObj);
/* one-time setup of vertex arrays (pos, color) */
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
_mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
_mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), intel->clear.color);
_mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), intel->clear.vertices);
_mesa_Enable(GL_COLOR_ARRAY);
_mesa_Enable(GL_VERTEX_ARRAY);
/* restore original array object */
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave);
_mesa_reference_array_object(ctx, &arraySave, NULL);
/* restore original buffer objects */
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, arrayBuffer);
_mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementBuffer);
}
/**
* Delete a set of buffer objects.
*
* \param n Number of buffer objects to delete.
* \param ids Array of \c n buffer object IDs.
*/
void GLAPIENTRY
_mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, 0);
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)");
return;
}
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
for (i = 0; i < n; i++) {
struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]);
if (bufObj) {
GLuint j;
ASSERT(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
if (_mesa_bufferobj_mapped(bufObj)) {
/* if mapped, unmap it now */
ctx->Driver.UnmapBuffer(ctx, bufObj);
bufObj->AccessFlags = default_access_mode(ctx);
bufObj->Pointer = NULL;
}
/* unbind any vertex pointers bound to this buffer */
for (j = 0; j < Elements(ctx->Array.VertexAttrib); j++) {
unbind(ctx, &ctx->Array.VertexAttrib[j].BufferObj, bufObj);
}
if (ctx->Array.ElementArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
}
/* The ID is immediately freed for re-use */
_mesa_HashRemove(ctx->Shared->BufferObjects, ids[i]);
/* Make sure we do not run into the classic ABA problem on bind.
* We don't want to allow re-binding a buffer object that's been
* "deleted" by glDeleteBuffers().
*
* The explicit rebinding to the default object in the current context
* prevents the above in the current context, but another context
* sharing the same objects might suffer from this problem.
* The alternative would be to do the hash lookup in any case on bind
* which would introduce more runtime overhead than this.
*/
bufObj->DeletePending = GL_TRUE;
_mesa_reference_buffer_object(ctx, &bufObj, NULL);
}
}
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
}
void
meta_set_default_texrect(struct dri_metaops *meta)
{
GLcontext *ctx = meta->ctx;
struct gl_client_array *old_texcoord_array;
meta->saved_active_texture = ctx->Texture.CurrentUnit;
if (meta->saved_array_vbo == NULL) {
_mesa_reference_buffer_object(ctx, &meta->saved_array_vbo,
ctx->Array.ArrayBufferObj);
}
old_texcoord_array = &ctx->Array.ArrayObj->TexCoord[0];
meta->saved_texcoord_type = old_texcoord_array->Type;
meta->saved_texcoord_size = old_texcoord_array->Size;
meta->saved_texcoord_stride = old_texcoord_array->Stride;
meta->saved_texcoord_enable = old_texcoord_array->Enabled;
meta->saved_texcoord_ptr = old_texcoord_array->Ptr;
_mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo,
old_texcoord_array->BufferObj);
_mesa_ClientActiveTextureARB(GL_TEXTURE0);
if (meta->texcoord_vbo == NULL) {
GLuint vbo_name;
_mesa_GenBuffersARB(1, &vbo_name);
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_name);
_mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(default_texcoords),
default_texcoords, GL_STATIC_DRAW_ARB);
_mesa_reference_buffer_object(ctx, &meta->texcoord_vbo,
ctx->Array.ArrayBufferObj);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->texcoord_vbo->Name);
}
_mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), NULL);
_mesa_Enable(GL_TEXTURE_COORD_ARRAY);
}
/**
* Delete a set of buffer objects.
*
* \param n Number of buffer objects to delete.
* \param ids Array of \c n buffer object IDs.
*/
void GLAPIENTRY
_mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)");
return;
}
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
for (i = 0; i < n; i++) {
struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]);
if (bufObj) {
struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
GLuint j;
ASSERT(bufObj->Name == ids[i]);
if (bufObj->Pointer) {
/* if mapped, unmap it now */
ctx->Driver.UnmapBuffer(ctx, 0, bufObj);
bufObj->AccessFlags = DEFAULT_ACCESS;
bufObj->Pointer = NULL;
}
/* unbind any vertex pointers bound to this buffer */
unbind(ctx, &arrayObj->Vertex.BufferObj, bufObj);
unbind(ctx, &arrayObj->Weight.BufferObj, bufObj);
unbind(ctx, &arrayObj->Normal.BufferObj, bufObj);
unbind(ctx, &arrayObj->Color.BufferObj, bufObj);
unbind(ctx, &arrayObj->SecondaryColor.BufferObj, bufObj);
unbind(ctx, &arrayObj->FogCoord.BufferObj, bufObj);
unbind(ctx, &arrayObj->Index.BufferObj, bufObj);
unbind(ctx, &arrayObj->EdgeFlag.BufferObj, bufObj);
for (j = 0; j < Elements(arrayObj->TexCoord); j++) {
unbind(ctx, &arrayObj->TexCoord[j].BufferObj, bufObj);
}
for (j = 0; j < Elements(arrayObj->VertexAttrib); j++) {
unbind(ctx, &arrayObj->VertexAttrib[j].BufferObj, bufObj);
}
if (ctx->Array.ArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
}
if (ctx->Array.ElementArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
}
/* unbind any pixel pack/unpack pointers bound to this buffer */
if (ctx->Pack.BufferObj == bufObj) {
_mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 );
}
if (ctx->Unpack.BufferObj == bufObj) {
_mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
}
/* The ID is immediately freed for re-use */
_mesa_HashRemove(ctx->Shared->BufferObjects, bufObj->Name);
_mesa_reference_buffer_object(ctx, &bufObj, NULL);
}
}
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
}
/**
* Delete a set of buffer objects.
*
* \param n Number of buffer objects to delete.
* \param ids Array of \c n buffer object IDs.
*/
void GLAPIENTRY
_mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)");
return;
}
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
for (i = 0; i < n; i++) {
if (ids[i] != 0) {
struct gl_buffer_object *bufObj = (struct gl_buffer_object *)
_mesa_HashLookup(ctx->Shared->BufferObjects, ids[i]);
if (bufObj) {
/* unbind any vertex pointers bound to this buffer */
GLuint j;
ASSERT(bufObj->Name == ids[i]);
if (ctx->Array.Vertex.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Normal.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Color.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.SecondaryColor.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.FogCoord.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Index.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.EdgeFlag.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
for (j = 0; j < MAX_TEXTURE_UNITS; j++) {
if (ctx->Array.TexCoord[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
}
for (j = 0; j < VERT_ATTRIB_MAX; j++) {
if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
}
if (ctx->Array.ArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
}
if (ctx->Array.ElementArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
}
if (ctx->Pack.BufferObj == bufObj) {
_mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 );
}
if (ctx->Unpack.BufferObj == bufObj) {
_mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
}
/* The ID is immediately freed for re-use */
_mesa_remove_buffer_object(ctx, bufObj);
bufObj->RefCount--;
if (bufObj->RefCount <= 0) {
ASSERT(ctx->Array.ArrayBufferObj != bufObj);
ASSERT(ctx->Array.ElementArrayBufferObj != bufObj);
ASSERT(ctx->Array.Vertex.BufferObj != bufObj);
ASSERT(ctx->Driver.DeleteBuffer);
ctx->Driver.DeleteBuffer(ctx, bufObj);
}
}
}
}
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
}
