fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-20 13:10:24 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

mesa: implement sparse buffer commitment

Browse source 
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2017-02-02 23:24:35 +01:00
parent d6fcbe1c2a
commit 4e6feacf6a
2 changed files with 76 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
src/mesa/main/bufferobj.c
View file

@ -4061,14 +4061,80 @@ _mesa_InvalidateBufferData(GLuint buffer)
ctx->Driver.InvalidateBufferSubData(ctx, bufObj, 0, bufObj->Size);
}
static void
buffer_page_commitment(struct gl_context *ctx,
struct gl_buffer_object *bufferObj,
GLintptr offset, GLsizeiptr size,
GLboolean commit, const char *func)
{
if (!(bufferObj->StorageFlags & GL_SPARSE_STORAGE_BIT_ARB)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(not a sparse buffer object)",
func);
return;
}
if (size < 0 || size > bufferObj->Size ||
offset < 0 || offset > bufferObj->Size - size) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(out of bounds)",
func);
return;
}
/* The GL_ARB_sparse_buffer extension specification says:
*
* "INVALID_VALUE is generated by BufferPageCommitmentARB if <offset> is
* not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB, or if <size>
* is not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB and does
* not extend to the end of the buffer's data store."
*/
if (offset % ctx->Const.SparseBufferPageSize != 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(offset not aligned to page size)",
func);
return;
}
if (size % ctx->Const.SparseBufferPageSize != 0 &&
offset + size != bufferObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(size not aligned to page size)",
func);
return;
}
ctx->Driver.BufferPageCommitment(ctx, bufferObj, offset, size, commit);
}
void GLAPIENTRY
_mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size,
GLboolean commit)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufferObj;
bufferObj = get_buffer(ctx, "glBufferPageCommitmentARB", target,
GL_INVALID_ENUM);
if (!bufferObj)
return;
buffer_page_commitment(ctx, bufferObj, offset, size, commit,
"glBufferPageCommitmentARB");
}
void GLAPIENTRY
_mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset,
GLsizeiptr size, GLboolean commit)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufferObj;
bufferObj = _mesa_lookup_bufferobj(ctx, buffer);
if (!bufferObj || bufferObj == &DummyBufferObject) {
/* Note: the extension spec is not clear about the excpected error value. */
_mesa_error(ctx, GL_INVALID_VALUE,
"glNamedBufferPageCommitmentARB(name = %u) invalid object",
buffer);
return;
}
buffer_page_commitment(ctx, bufferObj, offset, size, commit,
"glNamedBufferPageCommitmentARB");
}

10
src/mesa/main/dd.h
View file

@ -1040,6 +1040,16 @@ struct dd_function_table {
* Mesa will only call this function if GL multithreading is enabled.
*/
void (*SetBackgroundContext)(struct gl_context *ctx);
/**
* \name GL_ARB_sparse_buffer interface
*/
/*@{*/
void (*BufferPageCommitment)(struct gl_context *ctx,
struct gl_buffer_object *bufferObj,
GLintptr offset, GLsizeiptr size,
GLboolean commit);
/*@}*/
};