static enum pipe_error
try_clear(struct svga_context *svga,
unsigned buffers,
const float *rgba,
double depth,
unsigned stencil)
{
int ret = PIPE_OK;
SVGA3dRect rect = { 0, 0, 0, 0 };
boolean restore_viewport = FALSE;
SVGA3dClearFlag flags = 0;
struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
union util_color uc = {0};
ret = svga_update_state(svga, SVGA_STATE_HW_CLEAR);
if (ret)
return ret;
if (svga->rebind.rendertargets) {
ret = svga_reemit_framebuffer_bindings(svga);
if (ret != PIPE_OK) {
return ret;
}
}
if ((buffers & PIPE_CLEAR_COLOR) && fb->cbufs[0]) {
flags |= SVGA3D_CLEAR_COLOR;
util_pack_color(rgba, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
rect.w = fb->cbufs[0]->width;
rect.h = fb->cbufs[0]->height;
}
if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && fb->zsbuf) {
if (buffers & PIPE_CLEAR_DEPTH)
flags |= SVGA3D_CLEAR_DEPTH;
if ((svga->curr.framebuffer.zsbuf->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM) &&
(buffers & PIPE_CLEAR_STENCIL))
flags |= SVGA3D_CLEAR_STENCIL;
rect.w = MAX2(rect.w, fb->zsbuf->width);
rect.h = MAX2(rect.h, fb->zsbuf->height);
}
if (memcmp(&rect, &svga->state.hw_clear.viewport, sizeof(rect)) != 0) {
restore_viewport = TRUE;
ret = SVGA3D_SetViewport(svga->swc, &rect);
if (ret)
return ret;
}
ret = SVGA3D_ClearRect(svga->swc, flags, uc.ui, depth, stencil,
rect.x, rect.y, rect.w, rect.h);
if (ret != PIPE_OK)
return ret;
if (restore_viewport) {
memcpy(&rect, &svga->state.hw_clear.viewport, sizeof rect);
ret = SVGA3D_SetViewport(svga->swc, &rect);
}
return ret;
}
void
i915_clear_emit(struct pipe_context *pipe, unsigned buffers, const float *rgba,
double depth, unsigned stencil,
unsigned destx, unsigned desty, unsigned width, unsigned height)
{
struct i915_context *i915 = i915_context(pipe);
uint32_t clear_params, clear_color, clear_depth, clear_stencil,
clear_color8888, packed_z_stencil;
union util_color u_color;
float f_depth = depth;
struct i915_texture *cbuf_tex, *depth_tex;
cbuf_tex = depth_tex = NULL;
clear_params = 0;
if (buffers & PIPE_CLEAR_COLOR) {
struct pipe_surface *cbuf = i915->framebuffer.cbufs[0];
clear_params |= CLEARPARAM_WRITE_COLOR;
cbuf_tex = i915_texture(cbuf->texture);
util_pack_color(rgba, cbuf->format, &u_color);
if (util_format_get_blocksize(cbuf_tex->b.b.format) == 4)
clear_color = u_color.ui;
else
clear_color = (u_color.ui & 0xffff) | (u_color.ui << 16);
util_pack_color(rgba, cbuf->format, &u_color);
clear_color8888 = u_color.ui;
} else
clear_color = clear_color8888 = 0;
clear_depth = clear_stencil = 0;
if (buffers & PIPE_CLEAR_DEPTH) {
struct pipe_surface *zbuf = i915->framebuffer.zsbuf;
clear_params |= CLEARPARAM_WRITE_DEPTH;
depth_tex = i915_texture(zbuf->texture);
packed_z_stencil = util_pack_z_stencil(depth_tex->b.b.format, depth, stencil);
if (util_format_get_blocksize(depth_tex->b.b.format) == 4) {
/* Avoid read-modify-write if there's no stencil. */
if (buffers & PIPE_CLEAR_STENCIL
|| depth_tex->b.b.format != PIPE_FORMAT_Z24_UNORM_S8_USCALED) {
clear_params |= CLEARPARAM_WRITE_STENCIL;
clear_stencil = packed_z_stencil & 0xff;
clear_depth = packed_z_stencil;
} else
clear_depth = packed_z_stencil & 0xffffff00;
} else {
clear_depth = (clear_depth & 0xffff) | (clear_depth << 16);
}
}
if (i915->hardware_dirty)
i915_emit_hardware_state(i915);
if (!BEGIN_BATCH(7 + 7)) {
FLUSH_BATCH(NULL);
i915_emit_hardware_state(i915);
i915->vbo_flushed = 1;
assert(BEGIN_BATCH(7 + 7));
}
OUT_BATCH(_3DSTATE_CLEAR_PARAMETERS);
OUT_BATCH(clear_params | CLEARPARAM_CLEAR_RECT);
OUT_BATCH(clear_color);
OUT_BATCH(clear_depth);
OUT_BATCH(clear_color8888);
OUT_BATCH_F(f_depth);
OUT_BATCH(clear_stencil);
OUT_BATCH(_3DPRIMITIVE | PRIM3D_CLEAR_RECT | 5);
OUT_BATCH_F(destx + width);
OUT_BATCH_F(desty + height);
OUT_BATCH_F(destx);
OUT_BATCH_F(desty + height);
OUT_BATCH_F(destx);
OUT_BATCH_F(desty);
/* Flush after clear, its expected to be a costly operation.
* This is not required, just a heuristic
*/
FLUSH_BATCH(NULL);
}
void
i915_clear_emit(struct pipe_context *pipe, unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil,
unsigned destx, unsigned desty, unsigned width, unsigned height)
{
struct i915_context *i915 = i915_context(pipe);
uint32_t clear_params, clear_color, clear_depth, clear_stencil,
clear_color8888, packed_z_stencil;
union util_color u_color;
float f_depth = depth;
struct i915_texture *cbuf_tex, *depth_tex;
int depth_clear_bbp, color_clear_bbp;
cbuf_tex = depth_tex = NULL;
clear_params = 0;
depth_clear_bbp = color_clear_bbp = 0;
if (buffers & PIPE_CLEAR_COLOR) {
struct pipe_surface *cbuf = i915->framebuffer.cbufs[0];
clear_params |= CLEARPARAM_WRITE_COLOR;
cbuf_tex = i915_texture(cbuf->texture);
util_pack_color(color->f, cbuf->format, &u_color);
if (util_format_get_blocksize(cbuf_tex->b.b.format) == 4) {
clear_color = u_color.ui;
color_clear_bbp = 32;
} else {
clear_color = (u_color.ui & 0xffff) | (u_color.ui << 16);
color_clear_bbp = 16;
}
/* correctly swizzle clear value */
if (i915->current.target_fixup_format)
util_pack_color(color->f, cbuf->format, &u_color);
else
util_pack_color(color->f, PIPE_FORMAT_B8G8R8A8_UNORM, &u_color);
clear_color8888 = u_color.ui;
} else
clear_color = clear_color8888 = 0;
clear_depth = clear_stencil = 0;
if (buffers & PIPE_CLEAR_DEPTH) {
struct pipe_surface *zbuf = i915->framebuffer.zsbuf;
clear_params |= CLEARPARAM_WRITE_DEPTH;
depth_tex = i915_texture(zbuf->texture);
packed_z_stencil = util_pack_z_stencil(depth_tex->b.b.format, depth, stencil);
if (util_format_get_blocksize(depth_tex->b.b.format) == 4) {
/* Avoid read-modify-write if there's no stencil. */
if (buffers & PIPE_CLEAR_STENCIL
|| depth_tex->b.b.format != PIPE_FORMAT_Z24_UNORM_S8_UINT) {
clear_params |= CLEARPARAM_WRITE_STENCIL;
clear_stencil = packed_z_stencil >> 24;
}
clear_depth = packed_z_stencil & 0xffffff;
depth_clear_bbp = 32;
} else {
/**
* 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, dst->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);
}
/*
* 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;
}
static enum pipe_error
try_clear(struct svga_context *svga,
unsigned buffers,
const union pipe_color_union *color,
double depth,
unsigned stencil)
{
enum pipe_error ret = PIPE_OK;
SVGA3dRect rect = { 0, 0, 0, 0 };
boolean restore_viewport = FALSE;
SVGA3dClearFlag flags = 0;
struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
union util_color uc = {0};
ret = svga_update_state(svga, SVGA_STATE_HW_CLEAR);
if (ret != PIPE_OK)
return ret;
if (svga->rebind.flags.rendertargets) {
ret = svga_reemit_framebuffer_bindings(svga);
if (ret != PIPE_OK) {
return ret;
}
}
if (buffers & PIPE_CLEAR_COLOR) {
flags |= SVGA3D_CLEAR_COLOR;
util_pack_color(color->f, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
rect.w = fb->width;
rect.h = fb->height;
}
if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && fb->zsbuf) {
if (buffers & PIPE_CLEAR_DEPTH)
flags |= SVGA3D_CLEAR_DEPTH;
if (buffers & PIPE_CLEAR_STENCIL)
flags |= SVGA3D_CLEAR_STENCIL;
rect.w = MAX2(rect.w, fb->zsbuf->width);
rect.h = MAX2(rect.h, fb->zsbuf->height);
}
if (!svga_have_vgpu10(svga) &&
!svga_rects_equal(&rect, &svga->state.hw_clear.viewport)) {
restore_viewport = TRUE;
ret = SVGA3D_SetViewport(svga->swc, &rect);
if (ret != PIPE_OK)
return ret;
}
if (svga_have_vgpu10(svga)) {
if (flags & SVGA3D_CLEAR_COLOR) {
unsigned i;
if (is_integer_target(fb, buffers) && !ints_fit_in_floats(color)) {
clear_buffers_with_quad(svga, buffers, color, depth, stencil);
/* We also cleared depth/stencil, so that's done */
flags &= ~(SVGA3D_CLEAR_DEPTH | SVGA3D_CLEAR_STENCIL);
}
else {
struct pipe_surface *rtv;
/* Issue VGPU10 Clear commands */
for (i = 0; i < fb->nr_cbufs; i++) {
if ((fb->cbufs[i] == NULL) ||
!(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
rtv = svga_validate_surface_view(svga,
svga_surface(fb->cbufs[i]));
if (!rtv)
return PIPE_ERROR_OUT_OF_MEMORY;
ret = SVGA3D_vgpu10_ClearRenderTargetView(svga->swc,
rtv, color->f);
if (ret != PIPE_OK)
return ret;
}
}
}
if (flags & (SVGA3D_CLEAR_DEPTH | SVGA3D_CLEAR_STENCIL)) {
struct pipe_surface *dsv =
svga_validate_surface_view(svga, svga_surface(fb->zsbuf));
if (!dsv)
return PIPE_ERROR_OUT_OF_MEMORY;
ret = SVGA3D_vgpu10_ClearDepthStencilView(svga->swc, dsv, flags,
stencil, (float) depth);
if (ret != PIPE_OK)
return ret;
}
}
else {
ret = SVGA3D_ClearRect(svga->swc, flags, uc.ui[0], (float) depth, stencil,
rect.x, rect.y, rect.w, rect.h);
if (ret != PIPE_OK)
return ret;
}
if (restore_viewport) {
ret = SVGA3D_SetViewport(svga->swc, &svga->state.hw_clear.viewport);
}
return ret;
}
