enum pipe_error
svga_buffer_create_host_surface(struct svga_screen *ss,
struct svga_buffer *sbuf)
{
assert(!sbuf->user);
if (!sbuf->handle) {
sbuf->key.flags = 0;
sbuf->key.format = SVGA3D_BUFFER;
if (sbuf->bind_flags & PIPE_BIND_VERTEX_BUFFER) {
sbuf->key.flags |= SVGA3D_SURFACE_HINT_VERTEXBUFFER;
sbuf->key.flags |= SVGA3D_SURFACE_BIND_VERTEX_BUFFER;
}
if (sbuf->bind_flags & PIPE_BIND_INDEX_BUFFER) {
sbuf->key.flags |= SVGA3D_SURFACE_HINT_INDEXBUFFER;
sbuf->key.flags |= SVGA3D_SURFACE_BIND_INDEX_BUFFER;
}
if (sbuf->bind_flags & PIPE_BIND_CONSTANT_BUFFER)
sbuf->key.flags |= SVGA3D_SURFACE_BIND_CONSTANT_BUFFER;
if (sbuf->bind_flags & PIPE_BIND_STREAM_OUTPUT)
sbuf->key.flags |= SVGA3D_SURFACE_BIND_STREAM_OUTPUT;
if (sbuf->bind_flags & PIPE_BIND_SAMPLER_VIEW)
sbuf->key.flags |= SVGA3D_SURFACE_BIND_SHADER_RESOURCE;
sbuf->key.size.width = sbuf->b.b.width0;
sbuf->key.size.height = 1;
sbuf->key.size.depth = 1;
sbuf->key.numFaces = 1;
sbuf->key.numMipLevels = 1;
sbuf->key.cachable = 1;
sbuf->key.arraySize = 1;
SVGA_DBG(DEBUG_DMA, "surface_create for buffer sz %d\n", sbuf->b.b.width0);
sbuf->handle = svga_screen_surface_create(ss, sbuf->b.b.bind,
sbuf->b.b.usage, &sbuf->key);
if (!sbuf->handle)
return PIPE_ERROR_OUT_OF_MEMORY;
/* Always set the discard flag on the first time the buffer is written
* as svga_screen_surface_create might have passed a recycled host
* buffer.
*/
sbuf->dma.flags.discard = TRUE;
SVGA_DBG(DEBUG_DMA, " --> got sid %p sz %d (buffer)\n", sbuf->handle, sbuf->b.b.width0);
}
return PIPE_OK;
}
static INLINE enum pipe_error
svga_buffer_create_host_surface(struct svga_screen *ss,
struct svga_buffer *sbuf)
{
if(!sbuf->handle) {
sbuf->key.flags = 0;
sbuf->key.format = SVGA3D_BUFFER;
if(sbuf->base.usage & PIPE_BUFFER_USAGE_VERTEX)
sbuf->key.flags |= SVGA3D_SURFACE_HINT_VERTEXBUFFER;
if(sbuf->base.usage & PIPE_BUFFER_USAGE_INDEX)
sbuf->key.flags |= SVGA3D_SURFACE_HINT_INDEXBUFFER;
sbuf->key.size.width = sbuf->base.size;
sbuf->key.size.height = 1;
sbuf->key.size.depth = 1;
sbuf->key.numFaces = 1;
sbuf->key.numMipLevels = 1;
sbuf->key.cachable = 1;
SVGA_DBG(DEBUG_DMA, "surface_create for buffer sz %d\n", sbuf->base.size);
sbuf->handle = svga_screen_surface_create(ss, &sbuf->key);
if(!sbuf->handle)
return PIPE_ERROR_OUT_OF_MEMORY;
/* Always set the discard flag on the first time the buffer is written
* as svga_screen_surface_create might have passed a recycled host
* buffer.
*/
sbuf->dma.flags.discard = TRUE;
SVGA_DBG(DEBUG_DMA, " --> got sid %p sz %d (buffer)\n", sbuf->handle, sbuf->base.size);
}
return PIPE_OK;
}
struct svga_winsys_surface *
svga_texture_view_surface(struct pipe_context *pipe,
struct svga_texture *tex,
SVGA3dSurfaceFormat format,
unsigned start_mip,
unsigned num_mip,
int face_pick,
int zslice_pick,
struct svga_host_surface_cache_key *key) /* OUT */
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_winsys_surface *handle;
uint32_t i, j;
unsigned z_offset = 0;
SVGA_DBG(DEBUG_PERF,
"svga: Create surface view: face %d zslice %d mips %d..%d\n",
face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
key->flags = 0;
key->format = format;
key->numMipLevels = num_mip;
key->size.width = u_minify(tex->b.b.width0, start_mip);
key->size.height = u_minify(tex->b.b.height0, start_mip);
key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
key->cachable = 1;
assert(key->size.depth == 1);
if(tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
key->flags |= SVGA3D_SURFACE_CUBEMAP;
key->numFaces = 6;
} else {
key->numFaces = 1;
}
if(key->format == SVGA3D_FORMAT_INVALID) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
handle = svga_screen_surface_create(ss, key);
if (!handle) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
if (face_pick < 0)
face_pick = 0;
if (zslice_pick >= 0)
z_offset = zslice_pick;
for (i = 0; i < key->numMipLevels; i++) {
for (j = 0; j < key->numFaces; j++) {
if(tex->defined[j + face_pick][i + start_mip]) {
unsigned depth = (zslice_pick < 0 ?
u_minify(tex->b.b.depth0, i + start_mip) :
1);
svga_texture_copy_handle(svga_context(pipe),
tex->handle,
0, 0, z_offset,
i + start_mip,
j + face_pick,
handle, 0, 0, 0, i, j,
u_minify(tex->b.b.width0, i + start_mip),
u_minify(tex->b.b.height0, i + start_mip),
depth);
}
}
}
return handle;
}
struct svga_winsys_surface *
svga_texture_view_surface(struct svga_context *svga,
struct svga_texture *tex,
unsigned bind_flags,
SVGA3dSurfaceFlags flags,
SVGA3dSurfaceFormat format,
unsigned start_mip,
unsigned num_mip,
int layer_pick,
unsigned num_layers,
int zslice_pick,
struct svga_host_surface_cache_key *key) /* OUT */
{
struct svga_screen *ss = svga_screen(svga->pipe.screen);
struct svga_winsys_surface *handle;
uint32_t i, j;
unsigned z_offset = 0;
SVGA_DBG(DEBUG_PERF,
"svga: Create surface view: layer %d zslice %d mips %d..%d\n",
layer_pick, zslice_pick, start_mip, start_mip+num_mip-1);
key->flags = flags;
key->format = format;
key->numMipLevels = num_mip;
key->size.width = u_minify(tex->b.b.width0, start_mip);
key->size.height = u_minify(tex->b.b.height0, start_mip);
key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
key->cachable = 1;
key->arraySize = 1;
key->numFaces = 1;
key->sampleCount = tex->b.b.nr_samples;
if (key->sampleCount > 1) {
key->flags |= SVGA3D_SURFACE_MASKABLE_ANTIALIAS;
}
if (tex->b.b.target == PIPE_TEXTURE_CUBE && layer_pick < 0) {
key->flags |= SVGA3D_SURFACE_CUBEMAP;
key->numFaces = 6;
} else if (tex->b.b.target == PIPE_TEXTURE_1D_ARRAY ||
tex->b.b.target == PIPE_TEXTURE_2D_ARRAY) {
key->arraySize = num_layers;
}
if (key->format == SVGA3D_FORMAT_INVALID) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
handle = svga_screen_surface_create(ss, bind_flags, PIPE_USAGE_DEFAULT, key);
if (!handle) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
if (layer_pick < 0)
layer_pick = 0;
if (zslice_pick >= 0)
z_offset = zslice_pick;
for (i = 0; i < key->numMipLevels; i++) {
for (j = 0; j < key->numFaces * key->arraySize; j++) {
if (svga_is_texture_level_defined(tex, j + layer_pick, i + start_mip)) {
unsigned depth = (zslice_pick < 0 ?
u_minify(tex->b.b.depth0, i + start_mip) :
1);
svga_texture_copy_handle(svga,
tex->handle,
0, 0, z_offset,
i + start_mip,
j + layer_pick,
handle, 0, 0, 0, i, j,
u_minify(tex->b.b.width0, i + start_mip),
u_minify(tex->b.b.height0, i + start_mip),
depth);
}
}
}
return handle;
}
