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#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "nouveau/nouveau_screen.h"
#include "nouveau/nouveau_winsys.h"
#include "nvfx_resource.h"
void nvfx_buffer_destroy(struct pipe_screen *pscreen,
struct pipe_resource *presource)
{
struct nvfx_resource *buffer = nvfx_resource(presource);
nouveau_screen_bo_release(pscreen, buffer->bo);
FREE(buffer);
}
struct pipe_resource *
nvfx_buffer_create(struct pipe_screen *pscreen,
const struct pipe_resource *template)
{
struct nvfx_resource *buffer;
buffer = CALLOC_STRUCT(nvfx_resource);
if (!buffer)
return NULL;
buffer->base = *template;
buffer->base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
pipe_reference_init(&buffer->base.reference, 1);
buffer->base.screen = pscreen;
buffer->bo = nouveau_screen_bo_new(pscreen,
16,
buffer->base.usage,
buffer->base.bind,
buffer->base.width0);
if (buffer->bo == NULL)
goto fail;
return &buffer->base;
fail:
FREE(buffer);
return NULL;
}
struct pipe_resource *
nvfx_user_buffer_create(struct pipe_screen *pscreen,
void *ptr,
unsigned bytes,
unsigned usage)
{
struct nvfx_resource *buffer;
buffer = CALLOC_STRUCT(nvfx_resource);
if (!buffer)
return NULL;
pipe_reference_init(&buffer->base.reference, 1);
buffer->base.flags = NVFX_RESOURCE_FLAG_LINEAR;
buffer->base.screen = pscreen;
buffer->base.format = PIPE_FORMAT_R8_UNORM;
buffer->base.usage = PIPE_USAGE_IMMUTABLE;
buffer->base.bind = usage;
buffer->base.width0 = bytes;
buffer->base.height0 = 1;
buffer->base.depth0 = 1;
buffer->bo = nouveau_screen_bo_user(pscreen, ptr, bytes);
if (!buffer->bo)
goto fail;
return &buffer->base;
fail:
FREE(buffer);
return NULL;
}
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