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/********************************************************** |
* Copyright 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"), to deal in the Software without |
* restriction, including without limitation the rights to use, copy, |
* modify, merge, publish, distribute, sublicense, and/or sell copies |
* of the Software, and to permit persons to whom the Software is |
* furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice shall be |
* included in all copies or substantial portions of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
* SOFTWARE. |
* |
**********************************************************/ |
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/** |
* @file |
* This file implements the SVGA interface into this winsys, defined |
* in drivers/svga/svga_winsys.h. |
* |
* @author Keith Whitwell |
* @author Jose Fonseca |
*/ |
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#include "svga_cmd.h" |
#include "svga3d_caps.h" |
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#include "util/u_inlines.h" |
#include "util/u_math.h" |
#include "util/u_memory.h" |
#include "pipebuffer/pb_buffer.h" |
#include "pipebuffer/pb_bufmgr.h" |
#include "svga_winsys.h" |
#include "vmw_context.h" |
#include "vmw_screen.h" |
#include "vmw_surface.h" |
#include "vmw_buffer.h" |
#include "vmw_fence.h" |
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static struct svga_winsys_buffer * |
vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws, |
unsigned alignment, |
unsigned usage, |
unsigned size) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
struct pb_desc desc; |
struct pb_manager *provider; |
struct pb_buffer *buffer; |
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memset(&desc, 0, sizeof desc); |
desc.alignment = alignment; |
desc.usage = usage; |
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if (usage == SVGA_BUFFER_USAGE_PINNED) { |
if (vws->pools.query_fenced == NULL && !vmw_query_pools_init(vws)) |
return NULL; |
provider = vws->pools.query_fenced; |
} else |
provider = vws->pools.gmr_fenced; |
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assert(provider); |
buffer = provider->create_buffer(provider, size, &desc); |
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if(!buffer && provider == vws->pools.gmr_fenced) { |
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assert(provider); |
provider = vws->pools.gmr_slab_fenced; |
buffer = provider->create_buffer(provider, size, &desc); |
} |
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if (!buffer) |
return NULL; |
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return vmw_svga_winsys_buffer(buffer); |
} |
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static void * |
vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws, |
struct svga_winsys_buffer *buf, |
unsigned flags) |
{ |
(void)sws; |
return pb_map(vmw_pb_buffer(buf), flags, NULL); |
} |
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static void |
vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws, |
struct svga_winsys_buffer *buf) |
{ |
(void)sws; |
pb_unmap(vmw_pb_buffer(buf)); |
} |
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static void |
vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws, |
struct svga_winsys_buffer *buf) |
{ |
struct pb_buffer *pbuf = vmw_pb_buffer(buf); |
(void)sws; |
pb_reference(&pbuf, NULL); |
} |
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static void |
vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws, |
struct pipe_fence_handle **pdst, |
struct pipe_fence_handle *src) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
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vmw_fence_reference(vws, pdst, src); |
} |
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static int |
vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws, |
struct pipe_fence_handle *fence, |
unsigned flag) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
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return vmw_fence_signalled(vws, fence, flag); |
} |
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static int |
vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws, |
struct pipe_fence_handle *fence, |
unsigned flag) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
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return vmw_fence_finish(vws, fence, flag); |
} |
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static struct svga_winsys_surface * |
vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws, |
SVGA3dSurfaceFlags flags, |
SVGA3dSurfaceFormat format, |
SVGA3dSize size, |
uint32 numFaces, |
uint32 numMipLevels) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
struct vmw_svga_winsys_surface *surface; |
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surface = CALLOC_STRUCT(vmw_svga_winsys_surface); |
if(!surface) |
goto no_surface; |
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pipe_reference_init(&surface->refcnt, 1); |
p_atomic_set(&surface->validated, 0); |
surface->screen = vws; |
surface->sid = vmw_ioctl_surface_create(vws, |
flags, format, size, |
numFaces, numMipLevels); |
if(surface->sid == SVGA3D_INVALID_ID) |
goto no_sid; |
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return svga_winsys_surface(surface); |
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no_sid: |
FREE(surface); |
no_surface: |
return NULL; |
} |
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static boolean |
vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws, |
struct svga_winsys_surface *surface) |
{ |
struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface); |
return (p_atomic_read(&vsurf->validated) == 0); |
} |
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static void |
vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws, |
struct svga_winsys_surface **pDst, |
struct svga_winsys_surface *src) |
{ |
struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst); |
struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src); |
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vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf); |
*pDst = svga_winsys_surface(d_vsurf); |
} |
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static void |
vmw_svga_winsys_destroy(struct svga_winsys_screen *sws) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
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vmw_winsys_destroy(vws); |
} |
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static SVGA3dHardwareVersion |
vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
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return (SVGA3dHardwareVersion) vws->ioctl.hwversion; |
} |
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static boolean |
vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws, |
SVGA3dDevCapIndex index, |
SVGA3dDevCapResult *result) |
{ |
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); |
const uint32 *capsBlock; |
const SVGA3dCapsRecord *capsRecord = NULL; |
uint32 offset; |
const SVGA3dCapPair *capArray; |
int numCaps, first, last; |
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if(vws->ioctl.hwversion < SVGA3D_HWVERSION_WS6_B1) |
return FALSE; |
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/* |
* Search linearly through the caps block records for the specified type. |
*/ |
capsBlock = (const uint32 *)vws->ioctl.buffer; |
for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) { |
const SVGA3dCapsRecord *record; |
assert(offset < SVGA_FIFO_3D_CAPS_SIZE); |
record = (const SVGA3dCapsRecord *) (capsBlock + offset); |
if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) && |
(record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) && |
(!capsRecord || (record->header.type > capsRecord->header.type))) { |
capsRecord = record; |
} |
} |
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if(!capsRecord) |
return FALSE; |
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/* |
* Calculate the number of caps from the size of the record. |
*/ |
capArray = (const SVGA3dCapPair *) capsRecord->data; |
numCaps = (int) ((capsRecord->header.length * sizeof(uint32) - |
sizeof capsRecord->header) / (2 * sizeof(uint32))); |
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/* |
* Binary-search for the cap with the specified index. |
*/ |
for (first = 0, last = numCaps - 1; first <= last; ) { |
int mid = (first + last) / 2; |
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if ((SVGA3dDevCapIndex) capArray[mid][0] == index) { |
/* |
* Found it. |
*/ |
result->u = capArray[mid][1]; |
return TRUE; |
} |
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/* |
* Divide and conquer. |
*/ |
if ((SVGA3dDevCapIndex) capArray[mid][0] > index) { |
last = mid - 1; |
} else { |
first = mid + 1; |
} |
} |
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return FALSE; |
} |
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boolean |
vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws) |
{ |
vws->base.destroy = vmw_svga_winsys_destroy; |
vws->base.get_hw_version = vmw_svga_winsys_get_hw_version; |
vws->base.get_cap = vmw_svga_winsys_get_cap; |
vws->base.context_create = vmw_svga_winsys_context_create; |
vws->base.surface_create = vmw_svga_winsys_surface_create; |
vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed; |
vws->base.surface_reference = vmw_svga_winsys_surface_ref; |
vws->base.buffer_create = vmw_svga_winsys_buffer_create; |
vws->base.buffer_map = vmw_svga_winsys_buffer_map; |
vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap; |
vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy; |
vws->base.fence_reference = vmw_svga_winsys_fence_reference; |
vws->base.fence_signalled = vmw_svga_winsys_fence_signalled; |
vws->base.fence_finish = vmw_svga_winsys_fence_finish; |
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return TRUE; |
} |
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