faster ID allocation

3 files changed, 31 insertions, 4 deletions

diff --git a/3d_accel.h b/3d_accel.h
index 02e37b4..517f869 100644
--- a/3d_accel.h
+++ b/3d_accel.h
@@ -33,7 +33,7 @@ THE SOFTWARE.
 #endif

 #endif

 

-#define API_3DACCEL_VER 20240321

+#define API_3DACCEL_VER 20240404

 

 /* function codes */

 #define OP_FBHDA_SETUP        0x110B /* VXD, DRV, ExtEscape */

@@ -196,12 +196,16 @@ typedef struct SVGA_DB_region
 {

 	DWORD pid;

 	SVGA_region_info_t info;

+	DWORD pad1;

+	DWORD pad2;

 } SVGA_DB_region_t;

 

 typedef struct SVGA_DB_context

 {

 	DWORD pid;

 	void *cotable;

+	DWORD pad1;

+	DWORD pad2;

 } SVGA_DB_context_t;

 

 typedef struct SVGA_DB_surface

@@ -224,8 +228,13 @@ typedef struct SVGA_DB
 	DWORD               regions_cnt;

 	DWORD               contexts_cnt;

 	DWORD               surfaces_cnt;

+	DWORD              *regions_map;

+	DWORD              *contexts_map;

+	DWORD              *surfaces_map;

 	char                mutexname[64];

 	DWORD               stat_regions_usage;

+	DWORD               pad1;

+	DWORD               pad2;

 } SVGA_DB_t;

 

 /* internal VXD only */

diff --git a/makefile b/makefile
index 04f0eb8..633ac1e 100644
--- a/makefile
+++ b/makefile
@@ -11,7 +11,7 @@ OBJS += &
 

 INCS = -I$(%WATCOM)\h\win -Iddk -Ivmware

 

-VER_BUILD = 41

+VER_BUILD = 43

 

 FLAGS = -DDRV_VER_BUILD=$(VER_BUILD)

 

diff --git a/vxd_svga.c b/vxd_svga.c
index 5f2fc96..d29ce2e 100644
--- a/vxd_svga.c
+++ b/vxd_svga.c
@@ -452,11 +452,16 @@ static void SVGA_DB_alloc()
 	

 	DWORD max_regions = SVGA3D_MAX_MOBS; ///SVGA_ReadReg(SVGA_REG_GMR_MAX_IDS);

 	

+	DWORD regions_map_size = ((max_regions + 31) >> 3) & 0xFFFFFFFCUL;

+	DWORD contexts_map_size = ((SVGA3D_MAX_CONTEXT_IDS + 31) >> 3) & 0xFFFFFFFCUL;

+	DWORD surfaces_map_size = ((SVGA3D_MAX_SURFACE_IDS + 31) >> 3) & 0xFFFFFFFCUL;

+	

 	size = max_regions * sizeof(SVGA_DB_region_t) +

 	  SVGA3D_MAX_CONTEXT_IDS * sizeof(SVGA_DB_context_t) +

 	  SVGA3D_MAX_SURFACE_IDS * sizeof(SVGA_DB_surface_t) +

-	  sizeof(SVGA_DB_t);

-

+	  sizeof(SVGA_DB_t) +

+	  regions_map_size + contexts_map_size + surfaces_map_size;

+	  

 	svga_db = (SVGA_DB_t*)_PageAllocate(RoundToPages(size), PG_VM, ThisVM, 0, 0x0, 0x100000, NULL, PAGEFIXED);

 	if(svga_db)

 	{

@@ -476,8 +481,21 @@ static void SVGA_DB_alloc()
 		svga_db->surfaces_cnt = SVGA3D_MAX_SURFACE_IDS;

 		mem += svga_db->surfaces_cnt * sizeof(SVGA_DB_surface_t);

 		

+		svga_db->regions_map = (DWORD*)mem;

+		mem += regions_map_size;

+		

+		svga_db->contexts_map = (DWORD*)mem;

+		mem += contexts_map_size;

+		

+		svga_db->surfaces_map = (DWORD*)mem;

+	  mem += surfaces_map_size;

+		

 		memcpy(svga_db->mutexname, &(db_mutexname[0]), sizeof(db_mutexname));

 		

+		memset(svga_db->regions_map,  0xFF, regions_map_size);

+		memset(svga_db->contexts_map, 0xFF, contexts_map_size);

+		memset(svga_db->surfaces_map, 0xFF, surfaces_map_size);

+			

 		svga_db->stat_regions_usage = 0;

 	}

 }