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/**********************************************************
* Copyright 2008-2012 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.
*
**********************************************************/
#include "util/u_debug.h"
#include "svga_resource.h"
#include "svga_resource_buffer.h"
#include "svga_resource_texture.h"
#include "svga_context.h"
#include "svga_screen.h"
#include "svga_format.h"
/**
* This is the primary driver entrypoint for allocating graphics memory
* (vertex/index/constant buffers, textures, etc)
*/
static struct pipe_resource *
svga_resource_create(struct pipe_screen *screen,
const struct pipe_resource *template)
{
struct pipe_resource *r;
if (template->target == PIPE_BUFFER)
r = svga_buffer_create(screen, template);
else
r = svga_texture_create(screen, template);
if (!r) {
struct svga_screen *svgascreen = svga_screen(screen);
svgascreen->hud.num_failed_allocations++;
}
return r;
}
static struct pipe_resource *
svga_resource_from_handle(struct pipe_screen * screen,
const struct pipe_resource *template,
struct winsys_handle *whandle,
unsigned usage)
{
if (template->target == PIPE_BUFFER)
return NULL;
else
return svga_texture_from_handle(screen, template, whandle);
}
/**
* Check if a resource (texture, buffer) of the given size
* and format can be created.
* \Return TRUE if OK, FALSE if too large.
*/
static bool
svga_can_create_resource(struct pipe_screen *screen,
const struct pipe_resource *res)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_winsys_screen *sws = svgascreen->sws;
SVGA3dSurfaceFormat format;
SVGA3dSize base_level_size;
uint32 numMipLevels;
uint32 arraySize;
uint32 numSamples;
if (res->target == PIPE_BUFFER) {
format = SVGA3D_BUFFER;
base_level_size.width = res->width0;
base_level_size.height = 1;
base_level_size.depth = 1;
numMipLevels = 1;
arraySize = 1;
numSamples = 0;
} else {
if (res->target == PIPE_TEXTURE_CUBE)
assert(res->array_size == 6);
format = svga_translate_format(svgascreen, res->format, res->bind);
if (format == SVGA3D_FORMAT_INVALID)
return false;
base_level_size.width = res->width0;
base_level_size.height = res->height0;
base_level_size.depth = res->depth0;
numMipLevels = res->last_level + 1;
arraySize = res->array_size;
numSamples = res->nr_samples;
}
return sws->surface_can_create(sws, format, base_level_size,
arraySize, numMipLevels, numSamples);
}
void
svga_init_resource_functions(struct svga_context *svga)
{
svga->pipe.transfer_map = u_transfer_map_vtbl;
svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
svga->pipe.transfer_unmap = u_transfer_unmap_vtbl;
svga->pipe.buffer_subdata = u_default_buffer_subdata;
svga->pipe.texture_subdata = u_default_texture_subdata;
if (svga_have_vgpu10(svga)) {
svga->pipe.generate_mipmap = svga_texture_generate_mipmap;
} else {
svga->pipe.generate_mipmap = NULL;
}
}
void
svga_init_screen_resource_functions(struct svga_screen *is)
{
is->screen.resource_create = svga_resource_create;
is->screen.resource_from_handle = svga_resource_from_handle;
is->screen.resource_get_handle = u_resource_get_handle_vtbl;
is->screen.resource_destroy = u_resource_destroy_vtbl;
is->screen.can_create_resource = svga_can_create_resource;
}
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