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#include "state_tracker/drm_api.h"
#include "i965_drm_winsys.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "i915_drm.h"
#include "intel_bufmgr.h"
const char *names[BRW_BUFFER_TYPE_MAX] = {
"TEXTURE",
"SCANOUT",
"VERTEX",
"CURBE",
"QUERY",
"SHADER_CONSTANTS",
"WM_SCRATCH",
"BATCH",
"GENERAL_STATE",
"SURFACE_STATE",
"PIXEL",
"GENERIC",
};
const char *usages[BRW_USAGE_MAX] = {
"STATE",
"QUERY_RESULT",
"RENDER_TARGET",
"DEPTH_BUFFER",
"BLIT_SOURCE",
"BLIT_DEST",
"SAMPLER",
"VERTEX",
"SCRATCH"
};
const char *data_types[BRW_DATA_MAX] =
{
"GS: CC_VP",
"GS: CC_UNIT",
"GS: WM_PROG",
"GS: SAMPLER_DEFAULT_COLOR",
"GS: SAMPLER",
"GS: WM_UNIT",
"GS: SF_PROG",
"GS: SF_VP",
"GS: SF_UNIT",
"GS: VS_UNIT",
"GS: VS_PROG",
"GS: GS_UNIT",
"GS: GS_PROG",
"GS: CLIP_VP",
"GS: CLIP_UNIT",
"GS: CLIP_PROG",
"SS: SURFACE",
"SS: SURF_BIND",
"CONSTANT DATA",
"BATCH DATA",
"(untyped)"
};
static enum pipe_error
i965_libdrm_bo_alloc(struct brw_winsys_screen *sws,
enum brw_buffer_type type,
unsigned size,
unsigned alignment,
struct brw_winsys_buffer **bo_out)
{
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(sws);
struct i965_libdrm_buffer *buf;
if (BRW_DUMP)
debug_printf("%s type %s sz %d align %d\n",
__FUNCTION__, names[type], size, alignment );
buf = CALLOC_STRUCT(i965_libdrm_buffer);
if (!buf)
return PIPE_ERROR_OUT_OF_MEMORY;
switch (type) {
case BRW_BUFFER_TYPE_TEXTURE:
/* case BRW_BUFFER_TYPE_SCANOUT:*/
case BRW_BUFFER_TYPE_VERTEX:
case BRW_BUFFER_TYPE_CURBE:
case BRW_BUFFER_TYPE_QUERY:
case BRW_BUFFER_TYPE_SHADER_CONSTANTS:
case BRW_BUFFER_TYPE_SHADER_SCRATCH:
case BRW_BUFFER_TYPE_BATCH:
case BRW_BUFFER_TYPE_GENERAL_STATE:
case BRW_BUFFER_TYPE_SURFACE_STATE:
case BRW_BUFFER_TYPE_PIXEL:
case BRW_BUFFER_TYPE_GENERIC:
break;
case BRW_BUFFER_TYPE_SCANOUT:
buf->map_gtt = TRUE;
break;
default:
assert(0);
break;
}
buf->bo = drm_intel_bo_alloc(idws->gem,
names[type],
size,
alignment);
if (!buf->bo)
goto err;
pipe_reference_init(&buf->base.reference, 1);
buf->base.size = size;
buf->base.sws = sws;
*bo_out = &buf->base;
return PIPE_OK;
err:
assert(0);
FREE(buf);
return PIPE_ERROR_OUT_OF_MEMORY;
}
static enum pipe_error
i965_libdrm_bo_from_handle(struct brw_winsys_screen *sws,
struct winsys_handle *whandle,
unsigned *stride,
unsigned *tile,
struct brw_winsys_buffer **bo_out)
{
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(sws);
struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer);
uint32_t swizzle = 0;
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
if (!buf)
return PIPE_ERROR_OUT_OF_MEMORY;
pipe_reference_init(&buf->base.reference, 1);
buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, "FROM_HANDLE", whandle->handle);
buf->base.size = buf->bo->size;
buf->base.sws = &idws->base;
buf->flinked = TRUE;
buf->flink = whandle->handle;
if (!buf->bo)
goto err;
drm_intel_bo_get_tiling(buf->bo, &buf->tiling, &swizzle);
if (buf->tiling != 0)
buf->map_gtt = TRUE;
*tile = buf->tiling;
*stride = whandle->stride;
*bo_out = &buf->base;
return PIPE_OK;
err:
FREE(buf);
return PIPE_ERROR_OUT_OF_MEMORY;
}
static enum pipe_error
i965_libdrm_bo_get_handle(struct brw_winsys_buffer *buffer,
struct winsys_handle *whandle,
unsigned stride)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
if (!buf->flinked) {
if (drm_intel_bo_flink(buf->bo, &buf->flink))
return PIPE_ERROR_BAD_INPUT;
buf->flinked = TRUE;
}
whandle->handle = buf->flink;
} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
whandle->handle = buf->bo->handle;
} else {
assert(!"unknown usage");
return PIPE_ERROR_BAD_INPUT;
}
whandle->stride = stride;
return PIPE_OK;
}
static void
i965_libdrm_bo_destroy(struct brw_winsys_buffer *buffer)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
drm_intel_bo_unreference(buf->bo);
FREE(buffer);
}
static enum pipe_error
i965_libdrm_bo_emit_reloc(struct brw_winsys_buffer *buffer,
enum brw_buffer_usage usage,
unsigned delta,
unsigned offset,
struct brw_winsys_buffer *buffer2)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
struct i965_libdrm_buffer *buf2 = i965_libdrm_buffer(buffer2);
int read, write;
int ret;
if (BRW_DUMP)
debug_printf("%s buf %p offset %x delta %x buf2 %p/%s/%s\n",
__FUNCTION__, (void *)buffer,
offset, delta,
(void *)buffer2, names[buf2->data_type], usages[usage]);
switch (usage) {
case BRW_USAGE_STATE:
read = I915_GEM_DOMAIN_INSTRUCTION;
write = 0;
break;
case BRW_USAGE_QUERY_RESULT:
read = I915_GEM_DOMAIN_INSTRUCTION;
write = I915_GEM_DOMAIN_INSTRUCTION;
break;
case BRW_USAGE_RENDER_TARGET:
read = I915_GEM_DOMAIN_RENDER;
write = 0;
break;
case BRW_USAGE_DEPTH_BUFFER:
read = I915_GEM_DOMAIN_RENDER;
write = I915_GEM_DOMAIN_RENDER;
break;
case BRW_USAGE_BLIT_SOURCE:
read = 0;
write = I915_GEM_DOMAIN_RENDER;
break;
case BRW_USAGE_BLIT_DEST:
read = I915_GEM_DOMAIN_RENDER;
write = I915_GEM_DOMAIN_RENDER;
break;
case BRW_USAGE_SAMPLER:
read = I915_GEM_DOMAIN_SAMPLER;
write = 0;
break;
case BRW_USAGE_VERTEX:
read = I915_GEM_DOMAIN_VERTEX;
write = 0;
break;
case BRW_USAGE_SCRATCH:
read = 0;
write = 0;
break;
default:
assert(0);
return -1;
}
/* Needed??
((uint32_t *)buf->bo->virtual)[offset/4] = (delta +
buf2->bo->offset);
*/
ret = dri_bo_emit_reloc( buf->bo, read, write, delta, offset, buf2->bo );
if (ret)
return -1;
return 0;
}
static enum pipe_error
i965_libdrm_bo_exec(struct brw_winsys_buffer *buffer,
unsigned bytes_used)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws);
int ret;
if (BRW_DUMP)
debug_printf("execute buffer %p, bytes %d\n", (void *)buffer, bytes_used);
if (idws->send_cmd) {
ret = dri_bo_exec(buf->bo, bytes_used, NULL, 0, 0);
if (ret)
return PIPE_ERROR;
}
return PIPE_OK;
}
static enum pipe_error
i965_libdrm_bo_subdata(struct brw_winsys_buffer *buffer,
enum brw_buffer_data_type data_type,
size_t offset,
size_t size,
const void *data,
const struct brw_winsys_reloc *reloc,
unsigned nr_reloc)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws);
int ret, i;
(void)data_type;
if (BRW_DUMP)
debug_printf("%s buf %p off %d sz %d %s relocs: %d\n",
__FUNCTION__,
(void *)buffer, offset, size,
data_types[data_type],
nr_reloc);
if (BRW_DUMP)
brw_dump_data( idws->id,
data_type,
buf->bo->offset + offset,
data, size );
/* XXX: use bo_map_gtt/memcpy/unmap_gtt under some circumstances???
*/
ret = drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
if (ret)
return PIPE_ERROR;
for (i = 0; i < nr_reloc; i++) {
i965_libdrm_bo_emit_reloc(buffer, reloc[i].usage, reloc[i].delta,
reloc[i].offset, reloc[i].bo);
}
return PIPE_OK;
}
static boolean
i965_libdrm_bo_is_busy(struct brw_winsys_buffer *buffer)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
boolean ret;
if (BRW_DUMP)
debug_printf("%s %p\n", __FUNCTION__, (void *)buffer);
ret = drm_intel_bo_busy(buf->bo);
if (BRW_DUMP)
debug_printf(" --> %d\n", ret);
return ret;
}
static boolean
i965_libdrm_bo_references(struct brw_winsys_buffer *a,
struct brw_winsys_buffer *b)
{
struct i965_libdrm_buffer *bufa = i965_libdrm_buffer(a);
struct i965_libdrm_buffer *bufb = i965_libdrm_buffer(b);
boolean ret;
if (BRW_DUMP)
debug_printf("%s %p %p\n", __FUNCTION__, (void *)a, (void *)b);
ret = drm_intel_bo_references(bufa->bo, bufb->bo);
if (BRW_DUMP)
debug_printf(" --> %d\n", ret);
return ret;
}
/* XXX: couldn't this be handled by returning true/false on
* bo_emit_reloc?
*/
static enum pipe_error
i965_libdrm_check_aperture_space(struct brw_winsys_screen *iws,
struct brw_winsys_buffer **buffers,
unsigned count)
{
static drm_intel_bo *bos[128];
int i;
int ret;
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
if (count > Elements(bos)) {
assert(0);
return FALSE;
}
for (i = 0; i < count; i++)
bos[i] = i965_libdrm_buffer(buffers[i])->bo;
/* XXX: converting from ??? to pipe_error:
*/
ret = dri_bufmgr_check_aperture_space(bos, count);
if (BRW_DUMP)
debug_printf(" --> %d (ok == %d)\n", ret, PIPE_OK);
return ret;
}
static void *
i965_libdrm_bo_map(struct brw_winsys_buffer *buffer,
enum brw_buffer_data_type data_type,
unsigned offset,
unsigned length,
boolean write,
boolean discard,
boolean flush_explicit)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
int ret;
if (BRW_DUMP)
debug_printf("%s %p %s %s\n", __FUNCTION__, (void *)buffer,
write ? "read/write" : "read",
write ? data_types[data_type] : "");
if (!buf->map_count) {
if (buf->map_gtt) {
ret = drm_intel_gem_bo_map_gtt(buf->bo);
if (ret)
return NULL;
}
else {
ret = drm_intel_bo_map(buf->bo, write);
if (ret)
return NULL;
}
}
buf->data_type = data_type;
buf->map_count++;
return buf->bo->virtual;
}
static void
i965_libdrm_bo_flush_range(struct brw_winsys_buffer *buffer,
unsigned offset,
unsigned length)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws);
if (BRW_DUMP)
debug_printf("%s %s offset %d len %d\n", __FUNCTION__,
data_types[buf->data_type],
offset, length);
if (BRW_DUMP)
brw_dump_data( idws->id,
buf->data_type,
buf->bo->offset + offset,
buf->bo->virtual + offset,
length );
}
static void
i965_libdrm_bo_unmap(struct brw_winsys_buffer *buffer)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
if (--buf->map_count > 0)
return;
if (buf->map_gtt)
drm_intel_gem_bo_unmap_gtt(buf->bo);
else
drm_intel_bo_unmap(buf->bo);
}
void
i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws)
{
idws->base.bo_alloc = i965_libdrm_bo_alloc;
idws->base.bo_from_handle = i965_libdrm_bo_from_handle;
idws->base.bo_get_handle = i965_libdrm_bo_get_handle;
idws->base.bo_destroy = i965_libdrm_bo_destroy;
idws->base.bo_emit_reloc = i965_libdrm_bo_emit_reloc;
idws->base.bo_exec = i965_libdrm_bo_exec;
idws->base.bo_subdata = i965_libdrm_bo_subdata;
idws->base.bo_is_busy = i965_libdrm_bo_is_busy;
idws->base.bo_references = i965_libdrm_bo_references;
idws->base.check_aperture_space = i965_libdrm_check_aperture_space;
idws->base.bo_map = i965_libdrm_bo_map;
idws->base.bo_flush_range = i965_libdrm_bo_flush_range;
idws->base.bo_unmap = i965_libdrm_bo_unmap;
}
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