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2 * Copyright 2009 VMware, Inc. All rights reserved.
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24 **********************************************************/
28 * This file implements the SVGA interface into this winsys, defined
29 * in drivers/svga/svga_winsys.h.
31 * @author Keith Whitwell
32 * @author Jose Fonseca
37 #include "svga3d_caps.h"
39 #include "util/u_inlines.h"
40 #include "util/u_math.h"
41 #include "util/u_memory.h"
42 #include "pipebuffer/pb_buffer.h"
43 #include "pipebuffer/pb_bufmgr.h"
44 #include "svga_winsys.h"
45 #include "vmw_context.h"
46 #include "vmw_screen.h"
47 #include "vmw_surface.h"
48 #include "vmw_buffer.h"
49 #include "vmw_fence.h"
52 static struct svga_winsys_buffer *
53 vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws,
58 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
60 struct pb_manager *provider;
61 struct pb_buffer *buffer;
63 memset(&desc, 0, sizeof desc);
64 desc.alignment = alignment;
67 provider = vws->pools.gmr_fenced;
70 buffer = provider->create_buffer(provider, size, &desc);
74 return vmw_svga_winsys_buffer(buffer);
79 vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
80 struct svga_winsys_buffer *buf,
84 return pb_map(vmw_pb_buffer(buf), flags, NULL);
89 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
90 struct svga_winsys_buffer *buf)
93 pb_unmap(vmw_pb_buffer(buf));
98 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
99 struct svga_winsys_buffer *buf)
101 struct pb_buffer *pbuf = vmw_pb_buffer(buf);
103 pb_reference(&pbuf, NULL);
108 vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws,
109 struct pipe_fence_handle **pdst,
110 struct pipe_fence_handle *src)
118 vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws,
119 struct pipe_fence_handle *fence,
122 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
124 return vmw_ioctl_fence_signalled(vws, vmw_fence(fence));
129 vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws,
130 struct pipe_fence_handle *fence,
133 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
135 return vmw_ioctl_fence_finish(vws, vmw_fence(fence));
140 static struct svga_winsys_surface *
141 vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws,
142 SVGA3dSurfaceFlags flags,
143 SVGA3dSurfaceFormat format,
148 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
149 struct vmw_svga_winsys_surface *surface;
151 surface = CALLOC_STRUCT(vmw_svga_winsys_surface);
155 pipe_reference_init(&surface->refcnt, 1);
156 p_atomic_set(&surface->validated, 0);
157 surface->screen = vws;
158 surface->sid = vmw_ioctl_surface_create(vws,
160 numFaces, numMipLevels);
161 if(surface->sid == SVGA3D_INVALID_ID)
164 return svga_winsys_surface(surface);
174 vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws,
175 struct svga_winsys_surface *surface)
177 struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface);
178 return (p_atomic_read(&vsurf->validated) == 0);
183 vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws,
184 struct svga_winsys_surface **pDst,
185 struct svga_winsys_surface *src)
187 struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst);
188 struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src);
190 vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf);
191 *pDst = svga_winsys_surface(d_vsurf);
196 vmw_svga_winsys_destroy(struct svga_winsys_screen *sws)
198 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
200 vmw_winsys_destroy(vws);
204 static SVGA3dHardwareVersion
205 vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws)
207 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
209 if (!vws->ioctl.fifo_map) {
213 return vws->ioctl.fifo_map[SVGA_FIFO_3D_HWVERSION];
218 vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws,
219 SVGA3dDevCapIndex index,
220 SVGA3dDevCapResult *result)
222 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
223 const uint32 *capsBlock;
224 const SVGA3dCapsRecord *capsRecord = NULL;
226 const SVGA3dCapPair *capArray;
227 int numCaps, first, last;
229 if(!vws->ioctl.fifo_map)
232 if(vws->ioctl.fifo_map[SVGA_FIFO_3D_HWVERSION] < SVGA3D_HWVERSION_WS6_B1)
236 * Search linearly through the caps block records for the specified type.
238 capsBlock = (const uint32 *)&vws->ioctl.fifo_map[SVGA_FIFO_3D_CAPS];
239 for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) {
240 const SVGA3dCapsRecord *record;
241 assert(offset < SVGA_FIFO_3D_CAPS_SIZE);
242 record = (const SVGA3dCapsRecord *) (capsBlock + offset);
243 if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) &&
244 (record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) &&
245 (!capsRecord || (record->header.type > capsRecord->header.type))) {
254 * Calculate the number of caps from the size of the record.
256 capArray = (const SVGA3dCapPair *) capsRecord->data;
257 numCaps = (int) ((capsRecord->header.length * sizeof(uint32) -
258 sizeof capsRecord->header) / (2 * sizeof(uint32)));
261 * Binary-search for the cap with the specified index.
263 for (first = 0, last = numCaps - 1; first <= last; ) {
264 int mid = (first + last) / 2;
266 if ((SVGA3dDevCapIndex) capArray[mid][0] == index) {
270 result->u = capArray[mid][1];
275 * Divide and conquer.
277 if ((SVGA3dDevCapIndex) capArray[mid][0] > index) {
289 vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws)
291 vws->base.destroy = vmw_svga_winsys_destroy;
292 vws->base.get_hw_version = vmw_svga_winsys_get_hw_version;
293 vws->base.get_cap = vmw_svga_winsys_get_cap;
294 vws->base.context_create = vmw_svga_winsys_context_create;
295 vws->base.surface_create = vmw_svga_winsys_surface_create;
296 vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed;
297 vws->base.surface_reference = vmw_svga_winsys_surface_ref;
298 vws->base.buffer_create = vmw_svga_winsys_buffer_create;
299 vws->base.buffer_map = vmw_svga_winsys_buffer_map;
300 vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap;
301 vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy;
302 vws->base.fence_reference = vmw_svga_winsys_fence_reference;
303 vws->base.fence_signalled = vmw_svga_winsys_fence_signalled;
304 vws->base.fence_finish = vmw_svga_winsys_fence_finish;