static bool
fd6_clear(struct fd_context *ctx, unsigned buffers,
const union pipe_color_union *color, double depth, unsigned stencil)
{
struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
struct pipe_scissor_state *scissor = fd_context_get_scissor(ctx);
struct fd_ringbuffer *ring = ctx->batch->draw;
if ((buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) &&
is_z32(pfb->zsbuf->format))
return false;
fd6_emit_render_cntl(ctx, true, false);
OUT_PKT4(ring, REG_A6XX_RB_BLIT_SCISSOR_TL, 2);
OUT_RING(ring, A6XX_RB_BLIT_SCISSOR_TL_X(scissor->minx) |
A6XX_RB_BLIT_SCISSOR_TL_Y(scissor->miny));
OUT_RING(ring, A6XX_RB_BLIT_SCISSOR_BR_X(scissor->maxx - 1) |
A6XX_RB_BLIT_SCISSOR_BR_Y(scissor->maxy - 1));
if (buffers & PIPE_CLEAR_COLOR) {
for (int i = 0; i < pfb->nr_cbufs; i++) {
union util_color uc = {0};
if (!pfb->cbufs[i])
continue;
if (!(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
enum pipe_format pfmt = pfb->cbufs[i]->format;
// XXX I think RB_CLEAR_COLOR_DWn wants to take into account SWAP??
union pipe_color_union swapped;
switch (fd6_pipe2swap(pfmt)) {
case WZYX:
swapped.ui[0] = color->ui[0];
swapped.ui[1] = color->ui[1];
swapped.ui[2] = color->ui[2];
swapped.ui[3] = color->ui[3];
break;
case WXYZ:
swapped.ui[2] = color->ui[0];
swapped.ui[1] = color->ui[1];
swapped.ui[0] = color->ui[2];
swapped.ui[3] = color->ui[3];
break;
case ZYXW:
swapped.ui[3] = color->ui[0];
swapped.ui[0] = color->ui[1];
swapped.ui[1] = color->ui[2];
swapped.ui[2] = color->ui[3];
break;
case XYZW:
swapped.ui[3] = color->ui[0];
swapped.ui[2] = color->ui[1];
swapped.ui[1] = color->ui[2];
swapped.ui[0] = color->ui[3];
break;
}
if (util_format_is_pure_uint(pfmt)) {
util_format_write_4ui(pfmt, swapped.ui, 0, &uc, 0, 0, 0, 1, 1);
} else if (util_format_is_pure_sint(pfmt)) {
util_format_write_4i(pfmt, swapped.i, 0, &uc, 0, 0, 0, 1, 1);
} else {
util_pack_color(swapped.f, pfmt, &uc);
}
OUT_PKT4(ring, REG_A6XX_RB_BLIT_DST_INFO, 1);
OUT_RING(ring, A6XX_RB_BLIT_DST_INFO_TILE_MODE(TILE6_LINEAR) |
A6XX_RB_BLIT_DST_INFO_COLOR_FORMAT(fd6_pipe2color(pfmt)));
OUT_PKT4(ring, REG_A6XX_RB_BLIT_INFO, 1);
OUT_RING(ring, A6XX_RB_BLIT_INFO_GMEM |
A6XX_RB_BLIT_INFO_CLEAR_MASK(0xf));
OUT_PKT4(ring, REG_A6XX_RB_BLIT_BASE_GMEM, 1);
OUT_RINGP(ring, i, &ctx->batch->gmem_patches);
OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_88D0, 1);
OUT_RING(ring, 0);
OUT_PKT4(ring, REG_A6XX_RB_BLIT_CLEAR_COLOR_DW0, 4);
OUT_RING(ring, uc.ui[0]);
OUT_RING(ring, uc.ui[1]);
OUT_RING(ring, uc.ui[2]);
OUT_RING(ring, uc.ui[3]);
fd6_emit_blit(ctx->batch, ring);
}
}
if (pfb->zsbuf && (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
enum pipe_format pfmt = pfb->zsbuf->format;
uint32_t clear = util_pack_z_stencil(pfmt, depth, stencil);
uint32_t mask = 0;
if (buffers & PIPE_CLEAR_DEPTH)
mask |= 0x1;
if (buffers & PIPE_CLEAR_STENCIL)
mask |= 0x2;
OUT_PKT4(ring, REG_A6XX_RB_BLIT_DST_INFO, 1);
OUT_RING(ring, A6XX_RB_BLIT_DST_INFO_TILE_MODE(TILE6_LINEAR) |
A6XX_RB_BLIT_DST_INFO_COLOR_FORMAT(fd6_pipe2color(pfmt)));
OUT_PKT4(ring, REG_A6XX_RB_BLIT_INFO, 1);
OUT_RING(ring, A6XX_RB_BLIT_INFO_GMEM |
// XXX UNK0 for separate stencil ??
A6XX_RB_BLIT_INFO_DEPTH |
A6XX_RB_BLIT_INFO_CLEAR_MASK(mask));
OUT_PKT4(ring, REG_A6XX_RB_BLIT_BASE_GMEM, 1);
OUT_RINGP(ring, MAX_RENDER_TARGETS, &ctx->batch->gmem_patches);
OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_88D0, 1);
OUT_RING(ring, 0);
OUT_PKT4(ring, REG_A6XX_RB_BLIT_CLEAR_COLOR_DW0, 1);
OUT_RING(ring, clear);
fd6_emit_blit(ctx->batch, ring);
if (pfb->zsbuf && (buffers & PIPE_CLEAR_DEPTH)) {
struct fd_resource *zsbuf = fd_resource(pfb->zsbuf->texture);
if (zsbuf->lrz) {
zsbuf->lrz_valid = true;
fd6_clear_lrz(ctx->batch, zsbuf, depth);
}
}
}
return true;
}
/*
* Try to clear one color buffer of the attached fb, either by binning a clear
* command or queuing up the clear for later (when binning is started).
*/
static boolean
lp_setup_try_clear_color_buffer(struct lp_setup_context *setup,
const union pipe_color_union *color,
unsigned cbuf)
{
union lp_rast_cmd_arg clearrb_arg;
union util_color uc;
enum pipe_format format = setup->fb.cbufs[cbuf]->format;
LP_DBG(DEBUG_SETUP, "%s state %d\n", __FUNCTION__, setup->state);
if (util_format_is_pure_integer(format)) {
/*
* We expect int/uint clear values here, though some APIs
* might disagree (but in any case util_pack_color()
* couldn't handle it)...
*/
if (util_format_is_pure_sint(format)) {
util_format_write_4i(format, color->i, 0, &uc, 0, 0, 0, 1, 1);
}
else {
assert(util_format_is_pure_uint(format));
util_format_write_4ui(format, color->ui, 0, &uc, 0, 0, 0, 1, 1);
}
}
else {
util_pack_color(color->f, format, &uc);
}
if (setup->state == SETUP_ACTIVE) {
struct lp_scene *scene = setup->scene;
/* Add the clear to existing scene. In the unusual case where
* both color and depth-stencil are being cleared when there's
* already been some rendering, we could discard the currently
* binned scene and start again, but I don't see that as being
* a common usage.
*/
struct lp_rast_clear_rb *cc_scene =
(struct lp_rast_clear_rb *)
lp_scene_alloc_aligned(scene, sizeof(struct lp_rast_clear_rb), 8);
if (!cc_scene) {
return FALSE;
}
cc_scene->cbuf = cbuf;
cc_scene->color_val = uc;
clearrb_arg.clear_rb = cc_scene;
if (!lp_scene_bin_everywhere(scene,
LP_RAST_OP_CLEAR_COLOR,
clearrb_arg))
return FALSE;
}
else {
/* Put ourselves into the 'pre-clear' state, specifically to try
* and accumulate multiple clears to color and depth_stencil
* buffers which the app or state-tracker might issue
* separately.
*/
set_scene_state( setup, SETUP_CLEARED, __FUNCTION__ );
assert(PIPE_CLEAR_COLOR0 == (1 << 2));
setup->clear.flags |= 1 << (cbuf + 2);
setup->clear.color_val[cbuf] = uc;
}
return TRUE;
}
/**
* Fallback for pipe->clear_render_target() function.
* XXX this looks too hackish to be really useful.
* cpp > 4 looks like a gross hack at best...
* Plus can't use these transfer fallbacks when clearing
* multisampled surfaces for instance.
* Clears all bound layers.
*/
void
util_clear_render_target(struct pipe_context *pipe,
struct pipe_surface *dst,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct pipe_transfer *dst_trans;
ubyte *dst_map;
union util_color uc;
unsigned max_layer;
assert(dst->texture);
if (!dst->texture)
return;
if (dst->texture->target == PIPE_BUFFER) {
/*
* The fill naturally works on the surface format, however
* the transfer uses resource format which is just bytes for buffers.
*/
unsigned dx, w;
unsigned pixstride = util_format_get_blocksize(dst->format);
dx = (dst->u.buf.first_element + dstx) * pixstride;
w = width * pixstride;
max_layer = 0;
dst_map = pipe_transfer_map(pipe,
dst->texture,
0, 0,
PIPE_TRANSFER_WRITE,
dx, 0, w, 1,
&dst_trans);
}
else {
max_layer = dst->u.tex.last_layer - dst->u.tex.first_layer;
dst_map = pipe_transfer_map_3d(pipe,
dst->texture,
dst->u.tex.level,
PIPE_TRANSFER_WRITE,
dstx, dsty, dst->u.tex.first_layer,
width, height, max_layer + 1, &dst_trans);
}
assert(dst_map);
if (dst_map) {
enum pipe_format format = dst->format;
assert(dst_trans->stride > 0);
if (util_format_is_pure_integer(format)) {
/*
* We expect int/uint clear values here, though some APIs
* might disagree (but in any case util_pack_color()
* couldn't handle it)...
*/
if (util_format_is_pure_sint(format)) {
util_format_write_4i(format, color->i, 0, &uc, 0, 0, 0, 1, 1);
}
else {
assert(util_format_is_pure_uint(format));
util_format_write_4ui(format, color->ui, 0, &uc, 0, 0, 0, 1, 1);
}
}
else {
util_pack_color(color->f, format, &uc);
}
util_fill_box(dst_map, dst->format,
dst_trans->stride, dst_trans->layer_stride,
0, 0, 0, width, height, max_layer + 1, &uc);
pipe->transfer_unmap(pipe, dst_trans);
}
}
/**
* Clear the rasterizer's current color tile.
* This is a bin command called during bin processing.
*/
static void
lp_rast_clear_color(struct lp_rasterizer_task *task,
const union lp_rast_cmd_arg arg)
{
const struct lp_scene *scene = task->scene;
if (scene->fb.nr_cbufs) {
unsigned i;
union util_color uc;
if (util_format_is_pure_integer(scene->fb.cbufs[0]->format)) {
/*
* We expect int/uint clear values here, though some APIs
* might disagree (but in any case util_pack_color()
* couldn't handle it)...
*/
LP_DBG(DEBUG_RAST, "%s pure int 0x%x,0x%x,0x%x,0x%x\n", __FUNCTION__,
arg.clear_color.ui[0],
arg.clear_color.ui[1],
arg.clear_color.ui[2],
arg.clear_color.ui[3]);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
enum pipe_format format = scene->fb.cbufs[i]->format;
if (util_format_is_pure_sint(format)) {
util_format_write_4i(format, arg.clear_color.i, 0, &uc, 0, 0, 0, 1, 1);
}
else {
assert(util_format_is_pure_uint(format));
util_format_write_4ui(format, arg.clear_color.ui, 0, &uc, 0, 0, 0, 1, 1);
}
util_fill_rect(scene->cbufs[i].map,
scene->fb.cbufs[i]->format,
scene->cbufs[i].stride,
task->x,
task->y,
TILE_SIZE,
TILE_SIZE,
&uc);
}
}
else {
uint8_t clear_color[4];
for (i = 0; i < 4; ++i) {
clear_color[i] = float_to_ubyte(arg.clear_color.f[i]);
}
LP_DBG(DEBUG_RAST, "%s 0x%x,0x%x,0x%x,0x%x\n", __FUNCTION__,
clear_color[0],
clear_color[1],
clear_color[2],
clear_color[3]);
for (i = 0; i < scene->fb.nr_cbufs; i++) {
util_pack_color(arg.clear_color.f,
scene->fb.cbufs[i]->format, &uc);
util_fill_rect(scene->cbufs[i].map,
scene->fb.cbufs[i]->format,
scene->cbufs[i].stride,
task->x,
task->y,
TILE_SIZE,
TILE_SIZE,
&uc);
}
}
}
LP_COUNT(nr_color_tile_clear);
}