/**
* Add a reference to a resource by the scene.
*/
boolean
lp_scene_add_resource_reference(struct lp_scene *scene,
struct pipe_resource *resource,
boolean initializing_scene)
{
struct resource_ref *ref, **last = &scene->resources;
int i;
/* Look at existing resource blocks:
*/
for (ref = scene->resources; ref; ref = ref->next) {
last = &ref->next;
/* Search for this resource:
*/
for (i = 0; i < ref->count; i++)
if (ref->resource[i] == resource)
return TRUE;
if (ref->count < RESOURCE_REF_SZ) {
/* If the block is half-empty, then append the reference here.
*/
break;
}
}
/* Create a new block if no half-empty block was found.
*/
if (!ref) {
assert(*last == NULL);
*last = lp_scene_alloc(scene, sizeof *ref);
if (*last == NULL)
return FALSE;
ref = *last;
memset(ref, 0, sizeof *ref);
}
/* Append the reference to the reference block.
*/
pipe_resource_reference(&ref->resource[ref->count++], resource);
scene->resource_reference_size += llvmpipe_resource_size(resource);
/* Heuristic to advise scene flushes. This isn't helpful in the
* initial setup of the scene, but after that point flush on the
* next resource added which exceeds 64MB in referenced texture
* data.
*/
if (!initializing_scene &&
scene->resource_reference_size >= LP_SCENE_MAX_RESOURCE_SIZE)
return FALSE;
return TRUE;
}
struct cmd_block *
lp_scene_new_cmd_block( struct lp_scene *scene,
struct cmd_bin *bin )
{
struct cmd_block *block = lp_scene_alloc(scene, sizeof(struct cmd_block));
if (block) {
if (bin->tail) {
bin->tail->next = block;
bin->tail = block;
}
else {
bin->head = block;
bin->tail = block;
}
//memset(block, 0, sizeof *block);
block->next = NULL;
block->count = 0;
}
return block;
}
static boolean
begin_binning( struct lp_setup_context *setup )
{
struct lp_scene *scene = setup->scene;
boolean need_zsload = FALSE;
boolean ok;
assert(scene);
assert(scene->fence == NULL);
/* Always create a fence:
*/
scene->fence = lp_fence_create(MAX2(1, setup->num_threads));
if (!scene->fence)
return FALSE;
ok = try_update_scene_state(setup);
if (!ok)
return FALSE;
if (setup->fb.zsbuf &&
((setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
util_format_is_depth_and_stencil(setup->fb.zsbuf->format))
need_zsload = TRUE;
LP_DBG(DEBUG_SETUP, "%s color clear bufs: %x depth: %s\n", __FUNCTION__,
setup->clear.flags >> 2,
need_zsload ? "clear": "load");
if (setup->clear.flags & PIPE_CLEAR_COLOR) {
unsigned cbuf;
for (cbuf = 0; cbuf < setup->fb.nr_cbufs; cbuf++) {
assert(PIPE_CLEAR_COLOR0 == 1 << 2);
if (setup->clear.flags & (1 << (2 + cbuf))) {
union lp_rast_cmd_arg clearrb_arg;
struct lp_rast_clear_rb *cc_scene =
(struct lp_rast_clear_rb *)
lp_scene_alloc(scene, sizeof(struct lp_rast_clear_rb));
if (!cc_scene) {
return FALSE;
}
cc_scene->cbuf = cbuf;
cc_scene->color_val = setup->clear.color_val[cbuf];
clearrb_arg.clear_rb = cc_scene;
if (!lp_scene_bin_everywhere(scene,
LP_RAST_OP_CLEAR_COLOR,
clearrb_arg))
return FALSE;
}
}
}
if (setup->fb.zsbuf) {
if (setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL) {
ok = lp_scene_bin_everywhere( scene,
LP_RAST_OP_CLEAR_ZSTENCIL,
lp_rast_arg_clearzs(
setup->clear.zsvalue,
setup->clear.zsmask));
if (!ok)
return FALSE;
}
}
setup->clear.flags = 0;
setup->clear.zsmask = 0;
setup->clear.zsvalue = 0;
scene->had_queries = !!setup->active_binned_queries;
LP_DBG(DEBUG_SETUP, "%s done\n", __FUNCTION__);
return TRUE;
}
/**
* Called by vbuf code when we're about to draw something.
*
* This function stores all dirty state in the current scene's display list
* memory, via lp_scene_alloc(). We can not pass pointers of mutable state to
* the JIT functions, as the JIT functions will be called later on, most likely
* on a different thread.
*
* When processing dirty state it is imperative that we don't refer to any
* pointers previously allocated with lp_scene_alloc() in this function (or any
* function) as they may belong to a scene freed since then.
*/
static boolean
try_update_scene_state( struct lp_setup_context *setup )
{
static const float fake_const_buf[4];
boolean new_scene = (setup->fs.stored == NULL);
struct lp_scene *scene = setup->scene;
unsigned i;
assert(scene);
if (setup->dirty & LP_SETUP_NEW_VIEWPORTS) {
/*
* Record new depth range state for changes due to viewport updates.
*
* TODO: Collapse the existing viewport and depth range information
* into one structure, for access by JIT.
*/
struct lp_jit_viewport *stored;
stored = (struct lp_jit_viewport *)
lp_scene_alloc(scene, sizeof setup->viewports);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored, setup->viewports, sizeof setup->viewports);
setup->fs.current.jit_context.viewports = stored;
setup->dirty |= LP_SETUP_NEW_FS;
}
if(setup->dirty & LP_SETUP_NEW_BLEND_COLOR) {
uint8_t *stored;
float* fstored;
unsigned i, j;
unsigned size;
/* Alloc u8_blend_color (16 x i8) and f_blend_color (4 or 8 x f32) */
size = 4 * 16 * sizeof(uint8_t);
size += (LP_MAX_VECTOR_LENGTH / 4) * sizeof(float);
stored = lp_scene_alloc_aligned(scene, size, LP_MIN_VECTOR_ALIGN);
if (!stored) {
assert(!new_scene);
return FALSE;
}
/* Store floating point colour */
fstored = (float*)(stored + 4*16);
for (i = 0; i < (LP_MAX_VECTOR_LENGTH / 4); ++i) {
fstored[i] = setup->blend_color.current.color[i % 4];
}
/* smear each blend color component across 16 ubyte elements */
for (i = 0; i < 4; ++i) {
uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]);
for (j = 0; j < 16; ++j)
stored[i*16 + j] = c;
}
setup->blend_color.stored = stored;
setup->fs.current.jit_context.u8_blend_color = stored;
setup->fs.current.jit_context.f_blend_color = fstored;
setup->dirty |= LP_SETUP_NEW_FS;
}
if (setup->dirty & LP_SETUP_NEW_CONSTANTS) {
for (i = 0; i < ARRAY_SIZE(setup->constants); ++i) {
struct pipe_resource *buffer = setup->constants[i].current.buffer;
const unsigned current_size = MIN2(setup->constants[i].current.buffer_size,
LP_MAX_TGSI_CONST_BUFFER_SIZE);
const ubyte *current_data = NULL;
int num_constants;
STATIC_ASSERT(DATA_BLOCK_SIZE >= LP_MAX_TGSI_CONST_BUFFER_SIZE);
if (buffer) {
/* resource buffer */
current_data = (ubyte *) llvmpipe_resource_data(buffer);
}
else if (setup->constants[i].current.user_buffer) {
/* user-space buffer */
current_data = (ubyte *) setup->constants[i].current.user_buffer;
}
if (current_data) {
current_data += setup->constants[i].current.buffer_offset;
/* TODO: copy only the actually used constants? */
if (setup->constants[i].stored_size != current_size ||
!setup->constants[i].stored_data ||
memcmp(setup->constants[i].stored_data,
current_data,
current_size) != 0) {
void *stored;
stored = lp_scene_alloc(scene, current_size);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
current_data,
current_size);
setup->constants[i].stored_size = current_size;
setup->constants[i].stored_data = stored;
}
setup->fs.current.jit_context.constants[i] =
setup->constants[i].stored_data;
}
else {
setup->constants[i].stored_size = 0;
setup->constants[i].stored_data = NULL;
setup->fs.current.jit_context.constants[i] = fake_const_buf;
}
num_constants =
setup->constants[i].stored_size / (sizeof(float) * 4);
setup->fs.current.jit_context.num_constants[i] = num_constants;
setup->dirty |= LP_SETUP_NEW_FS;
}
}
if (setup->dirty & LP_SETUP_NEW_FS) {
if (!setup->fs.stored ||
memcmp(setup->fs.stored,
&setup->fs.current,
sizeof setup->fs.current) != 0)
{
struct lp_rast_state *stored;
/* The fs state that's been stored in the scene is different from
* the new, current state. So allocate a new lp_rast_state object
* and append it to the bin's setup data buffer.
*/
stored = (struct lp_rast_state *) lp_scene_alloc(scene, sizeof *stored);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
&setup->fs.current,
sizeof setup->fs.current);
setup->fs.stored = stored;
/* The scene now references the textures in the rasterization
* state record. Note that now.
*/
for (i = 0; i < ARRAY_SIZE(setup->fs.current_tex); i++) {
if (setup->fs.current_tex[i]) {
if (!lp_scene_add_resource_reference(scene,
setup->fs.current_tex[i],
new_scene)) {
assert(!new_scene);
return FALSE;
}
}
}
}
}
if (setup->dirty & LP_SETUP_NEW_SCISSOR) {
unsigned i;
for (i = 0; i < PIPE_MAX_VIEWPORTS; ++i) {
setup->draw_regions[i] = setup->framebuffer;
if (setup->scissor_test) {
u_rect_possible_intersection(&setup->scissors[i],
&setup->draw_regions[i]);
}
}
}
setup->dirty = 0;
assert(setup->fs.stored);
return TRUE;
}
/**
* Called by vbuf code when we're about to draw something.
*/
static boolean
try_update_scene_state( struct lp_setup_context *setup )
{
boolean new_scene = (setup->fs.stored == NULL);
struct lp_scene *scene = setup->scene;
assert(scene);
if(setup->dirty & LP_SETUP_NEW_BLEND_COLOR) {
uint8_t *stored;
unsigned i, j;
stored = lp_scene_alloc_aligned(scene, 4 * 16, 16);
if (!stored) {
assert(!new_scene);
return FALSE;
}
/* smear each blend color component across 16 ubyte elements */
for (i = 0; i < 4; ++i) {
uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]);
for (j = 0; j < 16; ++j)
stored[i*16 + j] = c;
}
setup->blend_color.stored = stored;
setup->fs.current.jit_context.blend_color = setup->blend_color.stored;
setup->dirty |= LP_SETUP_NEW_FS;
}
if(setup->dirty & LP_SETUP_NEW_CONSTANTS) {
struct pipe_resource *buffer = setup->constants.current;
if(buffer) {
unsigned current_size = buffer->width0;
const void *current_data = llvmpipe_resource_data(buffer);
/* TODO: copy only the actually used constants? */
if(setup->constants.stored_size != current_size ||
!setup->constants.stored_data ||
memcmp(setup->constants.stored_data,
current_data,
current_size) != 0) {
void *stored;
stored = lp_scene_alloc(scene, current_size);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
current_data,
current_size);
setup->constants.stored_size = current_size;
setup->constants.stored_data = stored;
}
}
else {
setup->constants.stored_size = 0;
setup->constants.stored_data = NULL;
}
setup->fs.current.jit_context.constants = setup->constants.stored_data;
setup->dirty |= LP_SETUP_NEW_FS;
}
if (setup->dirty & LP_SETUP_NEW_FS) {
if (!setup->fs.stored ||
memcmp(setup->fs.stored,
&setup->fs.current,
sizeof setup->fs.current) != 0)
{
struct lp_rast_state *stored;
uint i;
/* The fs state that's been stored in the scene is different from
* the new, current state. So allocate a new lp_rast_state object
* and append it to the bin's setup data buffer.
*/
stored = (struct lp_rast_state *) lp_scene_alloc(scene, sizeof *stored);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
&setup->fs.current,
sizeof setup->fs.current);
setup->fs.stored = stored;
/* The scene now references the textures in the rasterization
* state record. Note that now.
*/
for (i = 0; i < Elements(setup->fs.current_tex); i++) {
if (setup->fs.current_tex[i]) {
if (!lp_scene_add_resource_reference(scene,
setup->fs.current_tex[i],
new_scene)) {
assert(!new_scene);
return FALSE;
}
}
}
}
}
if (setup->dirty & LP_SETUP_NEW_SCISSOR) {
setup->draw_region = setup->framebuffer;
if (setup->scissor_test) {
u_rect_possible_intersection(&setup->scissor,
&setup->draw_region);
}
}
setup->dirty = 0;
assert(setup->fs.stored);
return TRUE;
}
/**
* Called by vbuf code when we're about to draw something.
*/
static boolean
try_update_scene_state( struct lp_setup_context *setup )
{
boolean new_scene = (setup->fs.stored == NULL);
struct lp_scene *scene = setup->scene;
unsigned i;
assert(scene);
if(setup->dirty & LP_SETUP_NEW_BLEND_COLOR) {
uint8_t *stored;
float* fstored;
unsigned i, j;
unsigned size;
/* Alloc u8_blend_color (16 x i8) and f_blend_color (4 or 8 x f32) */
size = 4 * 16 * sizeof(uint8_t);
size += (LP_MAX_VECTOR_LENGTH / 4) * sizeof(float);
stored = lp_scene_alloc_aligned(scene, size, LP_MAX_VECTOR_LENGTH);
if (!stored) {
assert(!new_scene);
return FALSE;
}
/* Store floating point colour */
fstored = (float*)(stored + 4*16);
for (i = 0; i < (LP_MAX_VECTOR_LENGTH / 4); ++i) {
fstored[i] = setup->blend_color.current.color[i % 4];
}
/* smear each blend color component across 16 ubyte elements */
for (i = 0; i < 4; ++i) {
uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]);
for (j = 0; j < 16; ++j)
stored[i*16 + j] = c;
}
setup->blend_color.stored = stored;
setup->fs.current.jit_context.u8_blend_color = stored;
setup->fs.current.jit_context.f_blend_color = fstored;
setup->dirty |= LP_SETUP_NEW_FS;
}
if (setup->dirty & LP_SETUP_NEW_CONSTANTS) {
for (i = 0; i < Elements(setup->constants); ++i) {
struct pipe_resource *buffer = setup->constants[i].current.buffer;
const unsigned current_size = setup->constants[i].current.buffer_size;
const ubyte *current_data = NULL;
if (buffer) {
/* resource buffer */
current_data = (ubyte *) llvmpipe_resource_data(buffer);
}
else if (setup->constants[i].current.user_buffer) {
/* user-space buffer */
current_data = (ubyte *) setup->constants[i].current.user_buffer;
}
if (current_data) {
current_data += setup->constants[i].current.buffer_offset;
/* TODO: copy only the actually used constants? */
if (setup->constants[i].stored_size != current_size ||
!setup->constants[i].stored_data ||
memcmp(setup->constants[i].stored_data,
current_data,
current_size) != 0) {
void *stored;
stored = lp_scene_alloc(scene, current_size);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
current_data,
current_size);
setup->constants[i].stored_size = current_size;
setup->constants[i].stored_data = stored;
}
}
else {
setup->constants[i].stored_size = 0;
setup->constants[i].stored_data = NULL;
}
setup->fs.current.jit_context.constants[i] = setup->constants[i].stored_data;
setup->dirty |= LP_SETUP_NEW_FS;
}
}
if (setup->dirty & LP_SETUP_NEW_FS) {
if (!setup->fs.stored ||
memcmp(setup->fs.stored,
&setup->fs.current,
sizeof setup->fs.current) != 0)
{
struct lp_rast_state *stored;
/* The fs state that's been stored in the scene is different from
* the new, current state. So allocate a new lp_rast_state object
* and append it to the bin's setup data buffer.
*/
stored = (struct lp_rast_state *) lp_scene_alloc(scene, sizeof *stored);
if (!stored) {
assert(!new_scene);
return FALSE;
}
memcpy(stored,
&setup->fs.current,
sizeof setup->fs.current);
setup->fs.stored = stored;
/* The scene now references the textures in the rasterization
* state record. Note that now.
*/
for (i = 0; i < Elements(setup->fs.current_tex); i++) {
if (setup->fs.current_tex[i]) {
if (!lp_scene_add_resource_reference(scene,
setup->fs.current_tex[i],
new_scene)) {
assert(!new_scene);
return FALSE;
}
}
}
}
}
if (setup->dirty & LP_SETUP_NEW_SCISSOR) {
setup->draw_region = setup->framebuffer;
if (setup->scissor_test) {
u_rect_possible_intersection(&setup->scissor,
&setup->draw_region);
}
}
setup->dirty = 0;
assert(setup->fs.stored);
return TRUE;
}
