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glthread: don't execute display lists if they have no effect 

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13403>
This commit is contained in:
Marek Olšák 2021-10-22 16:59:17 -04:00 committed by Marge Bot
parent b0c40bc905
commit 6b370cbe28
2 changed files with 50 additions and 1 deletions
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50
src/mesa/main/dlist.c
View File

@ -78,6 +78,10 @@
#define USE_BITMAP_ATLAS 1
static bool
_mesa_glthread_should_execute_list(struct gl_context *ctx,
struct gl_display_list *dlist);
/**
* Flush vertices.
*
@ -13743,6 +13747,8 @@ _mesa_EndList(void)
replace_op_vertex_list_recursively(ctx, ctx->ListState.CurrentList);
struct gl_dlist_state *list = &ctx->ListState;
list->CurrentList->execute_glthread =
_mesa_glthread_should_execute_list(ctx, list->CurrentList);
if ((list->CurrentList->Head == list->CurrentBlock) &&
(list->CurrentPos < BLOCK_SIZE)) {
@ -15036,7 +15042,8 @@ _mesa_glthread_execute_list(struct gl_context *ctx, GLuint list)
struct gl_display_list *dlist;
if (list == 0 ||
!_mesa_get_list(ctx, list, &dlist, true))
!_mesa_get_list(ctx, list, &dlist, true) ||
!dlist->execute_glthread)
return;
Node *n = get_list_head(ctx, dlist);
@ -15110,6 +15117,47 @@ _mesa_glthread_execute_list(struct gl_context *ctx, GLuint list)
}
}
static bool
_mesa_glthread_should_execute_list(struct gl_context *ctx,
struct gl_display_list *dlist)
{
Node *n = get_list_head(ctx, dlist);
while (1) {
const OpCode opcode = n[0].opcode;
switch (opcode) {
case OPCODE_CALL_LIST:
case OPCODE_CALL_LISTS:
case OPCODE_DISABLE:
case OPCODE_ENABLE:
case OPCODE_LIST_BASE:
case OPCODE_MATRIX_MODE:
case OPCODE_POP_ATTRIB:
case OPCODE_POP_MATRIX:
case OPCODE_PUSH_ATTRIB:
case OPCODE_PUSH_MATRIX:
case OPCODE_ACTIVE_TEXTURE: /* GL_ARB_multitexture */
case OPCODE_MATRIX_PUSH:
case OPCODE_MATRIX_POP:
return true;
case OPCODE_CONTINUE:
n = (Node *)get_pointer(&n[1]);
continue;
case OPCODE_END_OF_LIST:
return false;
default:
/* ignore */
break;
}
/* increment n to point to next compiled command */
assert(n[0].InstSize > 0);
n += n[0].InstSize;
}
return false;
}
/**
* Clients may call this function to help debug display list problems.

1
src/mesa/main/mtypes.h
View File

@ -4696,6 +4696,7 @@ union gl_dlist_node;
struct gl_display_list
{
GLuint Name;
bool execute_glthread;
bool small_list;
/* If small_list and begins_with_a_nop are true, this means
* the 'start' has been incremented to skip a NOP at the