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android / platform / hardware / ti / omap4-aah / 80bb3b85334de55efaf304b421602bbc7239fc97 / . / hwc / rgz_2d.c
blob: 4f9e48323e46427234a6b1bb23facf2dd0fa4362 [file] [log] [blame]
/*
* Copyright (C) Texas Instruments - http://www.ti.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <assert.h>
#include <strings.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <linux/fb.h>
#include <linux/bltsville.h>
#include <video/dsscomp.h>
#include <video/omap_hwc.h>
#ifndef RGZ_TEST_INTEGRATION
#include <cutils/log.h>
#include <cutils/properties.h>
#include <hardware/hwcomposer.h>
#include "hal_public.h"
#else
#include "hwcomposer.h"
#include "buffer_handle.h"
#define ALIGN(x,a) (((x) + (a) - 1L) & ~((a) - 1L))
#define HW_ALIGN 32
#endif
#include "rgz_2d.h"
#ifdef RGZ_TEST_INTEGRATION
extern void BVDump(const char* prefix, const char* tab, const struct bvbltparams* parms);
#define BVDUMP(p,t,parms) BVDump(p, t, parms)
#define HANDLE_TO_BUFFER(h) handle_to_buffer(h)
#define HANDLE_TO_STRIDE(h) handle_to_stride(h)
#else
static int rgz_handle_to_stride(IMG_native_handle_t *h);
#define BVDUMP(p,t,parms)
#define HANDLE_TO_BUFFER(h) NULL
/* Needs to be meaningful for TILER & GFX buffers and NV12 */
#define HANDLE_TO_STRIDE(h) rgz_handle_to_stride(h)
#endif
#define DSTSTRIDE(dstgeom) dstgeom->virtstride
/* Borrowed macros from hwc.c vvv - consider sharing later */
#define min(a, b) ( { typeof(a) __a = (a), __b = (b); __a < __b ? __a : __b; } )
#define max(a, b) ( { typeof(a) __a = (a), __b = (b); __a > __b ? __a : __b; } )
#define swap(a, b) do { typeof(a) __a = (a); (a) = (b); (b) = __a; } while (0)
#define WIDTH(rect) ((rect).right - (rect).left)
#define HEIGHT(rect) ((rect).bottom - (rect).top)
#define is_RGB(format) ((format) == HAL_PIXEL_FORMAT_BGRA_8888 || (format) == HAL_PIXEL_FORMAT_RGB_565 || (format) == HAL_PIXEL_FORMAT_BGRX_8888)
#define is_BGR(format) ((format) == HAL_PIXEL_FORMAT_RGBX_8888 || (format) == HAL_PIXEL_FORMAT_RGBA_8888)
#define is_NV12(format) ((format) == HAL_PIXEL_FORMAT_TI_NV12 || (format) == HAL_PIXEL_FORMAT_TI_NV12_PADDED)
#define HAL_PIXEL_FORMAT_BGRX_8888 0x1FF
#define HAL_PIXEL_FORMAT_TI_NV12 0x100
#define HAL_PIXEL_FORMAT_TI_NV12_PADDED 0x101
/* Borrowed macros from hwc.c ^^^ */
#define is_OPAQUE(format) ((format) == HAL_PIXEL_FORMAT_RGB_565 || (format) == HAL_PIXEL_FORMAT_RGBX_8888 || (format) == HAL_PIXEL_FORMAT_BGRX_8888)
/* OUTP the means for grabbing diagnostic data */
#ifndef RGZ_TEST_INTEGRATION
#define OUTP ALOGI
#define OUTE ALOGE
#else
#define OUTP(...) { printf(__VA_ARGS__); printf("\n"); fflush(stdout); }
#define OUTE OUTP
#define ALOGD_IF(debug, ...) { if (debug) OUTP(__VA_ARGS__); }
#endif
#define IS_BVCMD(params) (params->op == RGZ_OUT_BVCMD_REGION || params->op == RGZ_OUT_BVCMD_PAINT)
/* Number of framebuffers to track */
#define RGZ_NUM_FB 2
struct rgz_blts {
struct rgz_blt_entry bvcmds[RGZ_MAX_BLITS];
int idx;
};
static int rgz_hwc_layer_blit(rgz_out_params_t *params, rgz_layer_t *rgz_layer);
static void rgz_blts_init(struct rgz_blts *blts);
static void rgz_blts_free(struct rgz_blts *blts);
static struct rgz_blt_entry* rgz_blts_get(struct rgz_blts *blts, rgz_out_params_t *params);
static int rgz_blts_bvdirect(rgz_t* rgz, struct rgz_blts *blts, rgz_out_params_t *params);
static void rgz_get_src_rect(hwc_layer_1_t* layer, blit_rect_t *subregion_rect, blit_rect_t *res_rect);
static int hal_to_ocd(int color);
static int rgz_get_orientation(unsigned int transform);
static int rgz_get_flip_flags(unsigned int transform, int use_src2_flags);
static int rgz_hwc_scaled(hwc_layer_1_t *layer);
int debug = 0;
struct rgz_blts blts;
/* Represents a screen sized background layer */
static hwc_layer_1_t bg_layer;
static void svgout_header(int htmlw, int htmlh, int coordw, int coordh)
{
OUTP("<svg xmlns=\"http://www.w3.org/2000/svg\""
"width=\"%d\" height=\"%d\""
"viewBox=\"0 0 %d %d\">",
htmlw, htmlh, coordw, coordh);
}
static void svgout_footer(void)
{
OUTP("</svg>");
}
static void svgout_rect(blit_rect_t *r, char *color, char *text)
{
OUTP("<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\" fill=\"%s\" "
"fill-opacity=\"%f\" stroke=\"black\" stroke-width=\"1\" />",
r->left, r->top, r->right - r->left, r->bottom - r->top, color, 1.0f);
if (!text)
return;
OUTP("<text x=\"%d\" y=\"%d\" style=\"font-size:30\" fill=\"black\">%s"
"</text>",
r->left, r->top + 40, text);
}
static int empty_rect(blit_rect_t *r)
{
return !r->left && !r->top && !r->right && !r->bottom;
}
static int get_top_rect(blit_hregion_t *hregion, int subregion, blit_rect_t **routp)
{
int l = hregion->nlayers - 1;
do {
*routp = &hregion->blitrects[l][subregion];
if (!empty_rect(*routp))
break;
}
while (--l >= 0);
return l;
}
/*
* The idea here is that we walk the layers from front to back and count the
* number of layers in the hregion until the first layer which doesn't require
* blending.
*/
static int get_layer_ops(blit_hregion_t *hregion, int subregion, int *bottom)
{
int l = hregion->nlayers - 1;
int ops = 0;
*bottom = -1;
do {
if (!empty_rect(&hregion->blitrects[l][subregion])) {
ops++;
*bottom = l;
hwc_layer_1_t *layer = hregion->rgz_layers[l]->hwc_layer;
IMG_native_handle_t *h = (IMG_native_handle_t *)layer->handle;
if ((layer->blending != HWC_BLENDING_PREMULT) || is_OPAQUE(h->iFormat))
break;
}
}
while (--l >= 0);
return ops;
}
static int get_layer_ops_next(blit_hregion_t *hregion, int subregion, int l)
{
while (++l < hregion->nlayers) {
if (!empty_rect(&hregion->blitrects[l][subregion]))
return l;
}
return -1;
}
static int svgout_intersects_display(blit_rect_t *a, int dispw, int disph)
{
return ((a->bottom > 0) && (a->top < disph) &&
(a->right > 0) && (a->left < dispw));
}
static void svgout_hregion(blit_hregion_t *hregion, int dispw, int disph)
{
char *colors[] = {"red", "orange", "yellow", "green", "blue", "indigo", "violet", NULL};
int b;
for (b = 0; b < hregion->nsubregions; b++) {
blit_rect_t *rect;
(void)get_top_rect(hregion, b, &rect);
/* Only generate SVG for subregions intersecting the displayed area */
if (!svgout_intersects_display(rect, dispw, disph))
continue;
svgout_rect(rect, colors[b % 7], NULL);
}
}
static void rgz_out_svg(rgz_t *rgz, rgz_out_params_t *params)
{
if (!rgz || !(rgz->state & RGZ_REGION_DATA)) {
OUTE("rgz_out_svg invoked with bad state");
return;
}
blit_hregion_t *hregions = rgz->hregions;
svgout_header(params->data.svg.htmlw, params->data.svg.htmlh,
params->data.svg.dispw, params->data.svg.disph);
int i;
for (i = 0; i < rgz->nhregions; i++) {
OUTP("<!-- hregion %d (subcount %d)-->", i, hregions[i].nsubregions);
svgout_hregion(&hregions[i], params->data.svg.dispw,
params->data.svg.disph);
}
svgout_footer();
}
/* XXX duplicate of hwc.c version */
static void dump_layer(hwc_layer_1_t const* l, int iserr)
{
#define FMT(f) ((f) == HAL_PIXEL_FORMAT_TI_NV12 ? "NV12" : \
(f) == HAL_PIXEL_FORMAT_BGRX_8888 ? "xRGB32" : \
(f) == HAL_PIXEL_FORMAT_RGBX_8888 ? "xBGR32" : \
(f) == HAL_PIXEL_FORMAT_BGRA_8888 ? "ARGB32" : \
(f) == HAL_PIXEL_FORMAT_RGBA_8888 ? "ABGR32" : \
(f) == HAL_PIXEL_FORMAT_RGB_565 ? "RGB565" : "??")
OUTE("%stype=%d, flags=%08x, handle=%p, tr=%02x, blend=%04x, {%d,%d,%d,%d}, {%d,%d,%d,%d}",
iserr ? ">> " : " ",
l->compositionType, l->flags, l->handle, l->transform, l->blending,
l->sourceCrop.left,
l->sourceCrop.top,
l->sourceCrop.right,
l->sourceCrop.bottom,
l->displayFrame.left,
l->displayFrame.top,
l->displayFrame.right,
l->displayFrame.bottom);
if (l->handle) {
IMG_native_handle_t *h = (IMG_native_handle_t *)l->handle;
OUTE("%s%d*%d(%s)",
iserr ? ">> " : " ",
h->iWidth, h->iHeight, FMT(h->iFormat));
OUTE("hndl %p", l->handle);
}
}
static void dump_all(rgz_layer_t *rgz_layers, unsigned int layerno, unsigned int errlayer)
{
unsigned int i;
for (i = 0; i < layerno; i++) {
hwc_layer_1_t *l = rgz_layers[i].hwc_layer;
OUTE("Layer %d", i);
dump_layer(l, errlayer == i);
}
}
static int rgz_out_bvdirect_paint(rgz_t *rgz, rgz_out_params_t *params)
{
int rv = 0;
unsigned int i;
(void)rgz;
rgz_blts_init(&blts);
/* Begin from index 1 to remove the background layer from the output */
for (i = 1; i < rgz->rgz_layerno; i++) {
rv = rgz_hwc_layer_blit(params, &rgz->rgz_layers[i]);
if (rv) {
OUTE("bvdirect_paint: error in layer %d: %d", i, rv);
dump_all(rgz->rgz_layers, rgz->rgz_layerno, i);
rgz_blts_free(&blts);
return rv;
}
}
rgz_blts_bvdirect(rgz, &blts, params);
rgz_blts_free(&blts);
return rv;
}
static void rgz_set_async(struct rgz_blt_entry *e, int async)
{
e->bp.flags = async ? e->bp.flags | BVFLAG_ASYNC : e->bp.flags & ~BVFLAG_ASYNC;
}
static void rgz_get_screen_info(rgz_out_params_t *params, struct bvsurfgeom **screen_geom)
{
*screen_geom = params->data.bvc.dstgeom;
}
static int rgz_is_blending_disabled(rgz_out_params_t *params)
{
return params->data.bvc.noblend;
}
static void rgz_get_displayframe_rect(hwc_layer_1_t *layer, blit_rect_t *res_rect)
{
res_rect->left = layer->displayFrame.left;
res_rect->top = layer->displayFrame.top;
res_rect->bottom = layer->displayFrame.bottom;
res_rect->right = layer->displayFrame.right;
}
static void rgz_set_dst_data(rgz_out_params_t *params, blit_rect_t *subregion_rect,
struct rgz_blt_entry* e)
{
struct bvsurfgeom *screen_geom;
rgz_get_screen_info(params, &screen_geom);
/* omaplfb is in charge of assigning the correct dstdesc in the kernel */
e->dstgeom.structsize = sizeof(struct bvsurfgeom);
e->dstgeom.format = screen_geom->format;
e->dstgeom.width = screen_geom->width;
e->dstgeom.height = screen_geom->height;
e->dstgeom.orientation = screen_geom->orientation;
e->dstgeom.virtstride = DSTSTRIDE(screen_geom);
e->bp.dstrect.left = subregion_rect->left;
e->bp.dstrect.top = subregion_rect->top;
e->bp.dstrect.width = WIDTH(*subregion_rect);
e->bp.dstrect.height = HEIGHT(*subregion_rect);
}
static void rgz_set_src_data(rgz_out_params_t *params, rgz_layer_t *rgz_layer,
blit_rect_t *subregion_rect, struct rgz_blt_entry* e, int is_src2)
{
hwc_layer_1_t *hwc_layer = rgz_layer->hwc_layer;
struct bvbuffdesc *srcdesc = is_src2 ? &e->src2desc : &e->src1desc;
struct bvsurfgeom *srcgeom = is_src2 ? &e->src2geom : &e->src1geom;
struct bvrect *srcrect = is_src2 ? &e->bp.src2rect : &e->bp.src1rect;
IMG_native_handle_t *handle = (IMG_native_handle_t *)hwc_layer->handle;
srcdesc->structsize = sizeof(struct bvbuffdesc);
srcdesc->length = handle->iHeight * HANDLE_TO_STRIDE(handle);
srcdesc->auxptr = (void*)rgz_layer->buffidx;
srcgeom->structsize = sizeof(struct bvsurfgeom);
srcgeom->format = hal_to_ocd(handle->iFormat);
srcgeom->width = handle->iWidth;
srcgeom->height = handle->iHeight;
srcgeom->orientation = rgz_get_orientation(hwc_layer->transform);
srcgeom->virtstride = HANDLE_TO_STRIDE(handle);
if (hwc_layer->transform & HAL_TRANSFORM_ROT_90)
swap(srcgeom->width, srcgeom->height);
/* Find out what portion of the src we want to use for the blit */
blit_rect_t res_rect;
rgz_get_src_rect(hwc_layer, subregion_rect, &res_rect);
srcrect->left = res_rect.left;
srcrect->top = res_rect.top;
srcrect->width = WIDTH(res_rect);
srcrect->height = HEIGHT(res_rect);
}
/*
* Set the clipping rectangle, if part of the subregion rectangle is outside
* the boundaries of the destination, remove only the out-of-bounds area
*/
static void rgz_set_clip_rect(rgz_out_params_t *params, blit_rect_t *subregion_rect,
struct rgz_blt_entry* e)
{
struct bvsurfgeom *screen_geom;
rgz_get_screen_info(params, &screen_geom);
blit_rect_t clip_rect;
clip_rect.left = max(0, subregion_rect->left);
clip_rect.top = max(0, subregion_rect->top);
clip_rect.bottom = min(screen_geom->height, subregion_rect->bottom);
clip_rect.right = min(screen_geom->width, subregion_rect->right);
e->bp.cliprect.left = clip_rect.left;
e->bp.cliprect.top = clip_rect.top;
e->bp.cliprect.width = WIDTH(clip_rect);
e->bp.cliprect.height = HEIGHT(clip_rect);
}
/*
* Configures blit entry to set src2 is the same as the destination
*/
static void rgz_set_src2_is_dst(rgz_out_params_t *params, struct rgz_blt_entry* e)
{
/* omaplfb is in charge of assigning the correct src2desc in the kernel */
e->src2geom = e->dstgeom;
e->src2desc.structsize = sizeof(struct bvbuffdesc);
e->src2desc.auxptr = (void*)HWC_BLT_DESC_FB_FN(0);
e->bp.src2rect = e->bp.dstrect;
}
/*
* Configure the scaling mode according to the layer format
*/
static void rgz_cfg_scale_mode(struct rgz_blt_entry* e, hwc_layer_1_t *layer)
{
/*
* TODO: Revisit scaling mode assignment later, output between GPU and GC320
* seem different
*/
IMG_native_handle_t *handle = (IMG_native_handle_t *)layer->handle;
e->bp.scalemode = is_NV12(handle->iFormat) ? BVSCALE_9x9_TAP : BVSCALE_BILINEAR;
}
/*
* Copies src1 into the framebuffer
*/
static struct rgz_blt_entry* rgz_hwc_subregion_copy(rgz_out_params_t *params,
blit_rect_t *subregion_rect, rgz_layer_t *rgz_src1)
{
struct rgz_blt_entry* e = rgz_blts_get(&blts, params);
hwc_layer_1_t *hwc_src1 = rgz_src1->hwc_layer;
e->bp.structsize = sizeof(struct bvbltparams);
e->bp.op.rop = 0xCCCC; /* SRCCOPY */
e->bp.flags = BVFLAG_CLIP | BVFLAG_ROP;
e->bp.flags |= rgz_get_flip_flags(hwc_src1->transform, 0);
rgz_set_async(e, 1);
blit_rect_t tmp_rect;
if (rgz_hwc_scaled(hwc_src1)) {
rgz_get_displayframe_rect(hwc_src1, &tmp_rect);
rgz_cfg_scale_mode(e, hwc_src1);
} else
tmp_rect = *subregion_rect;
rgz_set_src_data(params, rgz_src1, &tmp_rect, e, 0);
rgz_set_dst_data(params, &tmp_rect, e);
rgz_set_clip_rect(params, subregion_rect, e);
if((e->src1geom.format == OCDFMT_BGR124) ||
(e->src1geom.format == OCDFMT_RGB124) ||
(e->src1geom.format == OCDFMT_RGB16))
e->dstgeom.format = OCDFMT_BGR124;
return e;
}
/*
* Blends two layers and write the result in the framebuffer, src1 must be the
* top most layer while src2 is the one behind. If src2 is NULL means src1 will
* be blended with the current content of the framebuffer.
*/
static struct rgz_blt_entry* rgz_hwc_subregion_blend(rgz_out_params_t *params,
blit_rect_t *subregion_rect, rgz_layer_t *rgz_src1, rgz_layer_t *rgz_src2)
{
struct rgz_blt_entry* e = rgz_blts_get(&blts, params);
hwc_layer_1_t *hwc_src1 = rgz_src1->hwc_layer;
e->bp.structsize = sizeof(struct bvbltparams);
e->bp.op.blend = BVBLEND_SRC1OVER;
e->bp.flags = BVFLAG_CLIP | BVFLAG_BLEND;
e->bp.flags |= rgz_get_flip_flags(hwc_src1->transform, 0);
rgz_set_async(e, 1);
blit_rect_t tmp_rect;
if (rgz_hwc_scaled(hwc_src1)) {
rgz_get_displayframe_rect(hwc_src1, &tmp_rect);
rgz_cfg_scale_mode(e, hwc_src1);
} else
tmp_rect = *subregion_rect;
rgz_set_src_data(params, rgz_src1, &tmp_rect, e, 0);
rgz_set_dst_data(params, &tmp_rect, e);
rgz_set_clip_rect(params, subregion_rect, e);
if (rgz_src2) {
/*
* NOTE: Due to an API limitation it's not possible to blend src1 and
* src2 if both have scaling, hence only src1 is used for now
*/
hwc_layer_1_t *hwc_src2 = rgz_src2->hwc_layer;
if (rgz_hwc_scaled(hwc_src2))
OUTE("src2 layer %p has scaling, this is not supported", hwc_src2);
e->bp.flags |= rgz_get_flip_flags(hwc_src2->transform, 1);
rgz_set_src_data(params, rgz_src2, subregion_rect, e, 1);
} else
rgz_set_src2_is_dst(params, e);
return e;
}
/*
* Clear the destination buffer, if rect is NULL means the whole screen, rect
* cannot be outside the boundaries of the screen
*/
static void rgz_out_clrdst(rgz_out_params_t *params, blit_rect_t *rect)
{
struct rgz_blt_entry* e = rgz_blts_get(&blts, params);
e->bp.structsize = sizeof(struct bvbltparams);
e->bp.op.rop = 0xCCCC; /* SRCCOPY */
e->bp.flags = BVFLAG_CLIP | BVFLAG_ROP;
rgz_set_async(e, 1);
struct bvsurfgeom *screen_geom;
rgz_get_screen_info(params, &screen_geom);
e->src1desc.structsize = sizeof(struct bvbuffdesc);
e->src1desc.length = 4; /* 1 pixel, 32bpp */
/*
* With the HWC we don't bother having a buffer for the fill we'll get the
* OMAPLFB to fixup the src1desc and stride if the auxiliary pointer is -1
*/
e->src1desc.auxptr = (void*)-1;
e->src1geom.structsize = sizeof(struct bvsurfgeom);
e->src1geom.format = OCDFMT_RGBA24;
e->bp.src1rect.left = e->bp.src1rect.top = e->src1geom.orientation = 0;
e->src1geom.height = e->src1geom.width = e->bp.src1rect.height = e->bp.src1rect.width = 1;
blit_rect_t clear_rect;
if (rect) {
clear_rect.left = rect->left;
clear_rect.top = rect->top;
clear_rect.right = rect->right;
clear_rect.bottom = rect->bottom;
} else {
clear_rect.left = clear_rect.top = 0;
clear_rect.right = screen_geom->width;
clear_rect.bottom = screen_geom->height;
}
rgz_set_dst_data(params, &clear_rect, e);
rgz_set_clip_rect(params, &clear_rect, e);
}
static int rgz_out_bvcmd_paint(rgz_t *rgz, rgz_out_params_t *params)
{
int rv = 0;
params->data.bvc.out_blits = 0;
params->data.bvc.out_nhndls = 0;
rgz_blts_init(&blts);
rgz_out_clrdst(params, NULL);
unsigned int i, j;
/* Begin from index 1 to remove the background layer from the output */
for (i = 1, j = 0; i < rgz->rgz_layerno; i++) {
rgz_layer_t *rgz_layer = &rgz->rgz_layers[i];
hwc_layer_1_t *l = rgz_layer->hwc_layer;
//OUTP("blitting meminfo %d", rgz->rgz_layers[i].buffidx);
/*
* See if it is needed to put transparent pixels where this layer
* is located in the screen
*/
if (rgz_layer->buffidx == -1) {
struct bvsurfgeom *scrgeom = params->data.bvc.dstgeom;
blit_rect_t srcregion;
srcregion.left = max(0, l->displayFrame.left);
srcregion.top = max(0, l->displayFrame.top);
srcregion.bottom = min(scrgeom->height, l->displayFrame.bottom);
srcregion.right = min(scrgeom->width, l->displayFrame.right);
rgz_out_clrdst(params, &srcregion);
continue;
}
rv = rgz_hwc_layer_blit(params, rgz_layer);
if (rv) {
OUTE("bvcmd_paint: error in layer %d: %d", i, rv);
dump_all(rgz->rgz_layers, rgz->rgz_layerno, i);
rgz_blts_free(&blts);
return rv;
}
params->data.bvc.out_hndls[j++] = l->handle;
params->data.bvc.out_nhndls++;
}
/* Last blit is made sync to act like a fence for the previous async blits */
struct rgz_blt_entry* e = &blts.bvcmds[blts.idx-1];
rgz_set_async(e, 0);
/* FIXME: we want to be able to call rgz_blts_free and populate the actual
* composition data structure ourselves */
params->data.bvc.cmdp = blts.bvcmds;
params->data.bvc.cmdlen = blts.idx;
if (params->data.bvc.out_blits >= RGZ_MAX_BLITS) {
rv = -1;
// rgz_blts_free(&blts); // FIXME
}
return rv;
}
static float getscalew(hwc_layer_1_t *layer)
{
int w = WIDTH(layer->sourceCrop);
int h = HEIGHT(layer->sourceCrop);
if (layer->transform & HWC_TRANSFORM_ROT_90)
swap(w, h);
return ((float)WIDTH(layer->displayFrame)) / (float)w;
}
static float getscaleh(hwc_layer_1_t *layer)
{
int w = WIDTH(layer->sourceCrop);
int h = HEIGHT(layer->sourceCrop);
if (layer->transform & HWC_TRANSFORM_ROT_90)
swap(w, h);
return ((float)HEIGHT(layer->displayFrame)) / (float)h;
}
static int rgz_bswap(int *a, int *b)
{
if (*a > *b) {
int tmp = *b;
*b = *a;
*a = tmp;
return 1;
}
return 0;
}
/*
* Simple bubble sort on an array
*/
static void rgz_bsort(int *a, int len)
{
int i, s;
do {
s=0;
for (i=0; i+1<len; i++) {
if (rgz_bswap(&a[i], &a[i+1]))
s = 1;
}
} while (s);
}
/*
* Leave only unique numbers in a sorted array
*/
static int rgz_bunique(int *a, int len)
{
int unique = 1;
int base = 0;
while (base + 1 < len) {
if (a[base] == a[base + 1]) {
int skip = 1;
while (base + skip < len && a[base] == a[base + skip])
skip++;
if (base + skip == len)
break;
int i;
for (i = 0; i < skip - 1; i++)
a[base + 1 + i] = a[base + skip];
}
unique++;
base++;
}
return unique;
}
static int rgz_hwc_layer_sortbyy(rgz_layer_t *ra, int rsz, int *out, int *width, int screen_height)
{
int outsz = 0;
int i;
*width = 0;
for (i = 0; i < rsz; i++) {
hwc_layer_1_t *layer = ra[i].hwc_layer;
/* Maintain regions inside display boundaries */
int top = layer->displayFrame.top;
int bottom = layer->displayFrame.bottom;
out[outsz++] = max(0, top);
out[outsz++] = min(bottom, screen_height);
int right = layer->displayFrame.right;
*width = *width > right ? *width : right;
}
rgz_bsort(out, outsz);
return outsz;
}
static int rgz_hwc_intersects(blit_rect_t *a, hwc_rect_t *b)
{
return ((a->bottom > b->top) && (a->top < b->bottom) &&
(a->right > b->left) && (a->left < b->right));
}
static void rgz_gen_blitregions(blit_hregion_t *hregion, int screen_width)
{
/*
* 1. Get the offsets (left/right positions) of each layer within the
* hregion. Assume that layers describe the bounds of the hregion.
* 2. We should then be able to generate an array of rects
* 3. Each layer will have a different z-order, for each z-order
* find the intersection. Some intersections will be empty.
*/
int offsets[RGZ_SUBREGIONMAX];
int noffsets=0;
int l, r;
for (l = 0; l < hregion->nlayers; l++) {
hwc_layer_1_t *layer = hregion->rgz_layers[l]->hwc_layer;
/* Make sure the subregion is not outside the boundaries of the screen */
int left = layer->displayFrame.left;
int right = layer->displayFrame.right;
offsets[noffsets++] = max(0, left);
offsets[noffsets++] = min(right, screen_width);
}
rgz_bsort(offsets, noffsets);
noffsets = rgz_bunique(offsets, noffsets);
hregion->nsubregions = noffsets - 1;
bzero(hregion->blitrects, sizeof(hregion->blitrects));
for (r = 0; r + 1 < noffsets; r++) {
blit_rect_t subregion;
subregion.top = hregion->rect.top;
subregion.bottom = hregion->rect.bottom;
subregion.left = offsets[r];
subregion.right = offsets[r+1];
ALOGD_IF(debug, " sub l %d r %d",
subregion.left, subregion.right);
for (l = 0; l < hregion->nlayers; l++) {
hwc_layer_1_t *layer = hregion->rgz_layers[l]->hwc_layer;
if (rgz_hwc_intersects(&subregion, &layer->displayFrame)) {
hregion->blitrects[l][r] = subregion;
ALOGD_IF(debug, "hregion->blitrects[%d][%d] (%d %d %d %d)", l, r,
hregion->blitrects[l][r].left,
hregion->blitrects[l][r].top,
hregion->blitrects[l][r].right,
hregion->blitrects[l][r].bottom);
}
}
}
}
static int rgz_hwc_scaled(hwc_layer_1_t *layer)
{
int w = WIDTH(layer->sourceCrop);
int h = HEIGHT(layer->sourceCrop);
if (layer->transform & HWC_TRANSFORM_ROT_90)
swap(w, h);
return WIDTH(layer->displayFrame) != w || HEIGHT(layer->displayFrame) != h;
}
static int rgz_in_valid_hwc_layer(hwc_layer_1_t *layer)
{
IMG_native_handle_t *handle = (IMG_native_handle_t *)layer->handle;
if ((layer->flags & HWC_SKIP_LAYER) || !handle)
return 0;
if (is_NV12(handle->iFormat))
return handle->iFormat == HAL_PIXEL_FORMAT_TI_NV12;
/* FIXME: The following must be removed when GC supports vertical/horizontal
* buffer flips, please note having a FLIP_H and FLIP_V means 180 rotation
* which is supported indeed
*/
if (layer->transform) {
int is_flipped = !!(layer->transform & HWC_TRANSFORM_FLIP_H) ^ !!(layer->transform & HWC_TRANSFORM_FLIP_V);
if (is_flipped) {
ALOGE("Layer %p is flipped %d", layer, layer->transform);
return 0;
}
}
switch(handle->iFormat) {
case HAL_PIXEL_FORMAT_BGRX_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
break;
default:
return 0;
}
return 1;
}
/* Reset dirty region data and state */
static void rgz_delete_region_data(rgz_t *rgz){
if (!rgz)
return;
if (rgz->hregions)
free(rgz->hregions);
rgz->hregions = NULL;
rgz->nhregions = 0;
rgz->state &= ~RGZ_REGION_DATA;
}
static void rgz_handle_dirty_region(rgz_t *rgz, int reset_counters)
{
unsigned int i;
for (i = 0; i < rgz->rgz_layerno; i++) {
rgz_layer_t *rgz_layer = &rgz->rgz_layers[i];
void *new_handle;
/*
* We don't care about the handle for background and layers with the
* clear fb hint, but we want to maintain a layer state for dirty
* region handling.
*/
if (i == 0 || rgz_layer->buffidx == -1)
new_handle = (void*)0x1;
else
new_handle = (void*)rgz_layer->hwc_layer->handle;
if (reset_counters || new_handle != rgz_layer->dirty_hndl) {
rgz_layer->dirty_count = RGZ_NUM_FB;
rgz_layer->dirty_hndl = new_handle;
} else
rgz_layer->dirty_count -= rgz_layer->dirty_count ? 1 : 0;
}
}
static int rgz_in_hwccheck(rgz_in_params_t *p, rgz_t *rgz)
{
hwc_layer_1_t *layers = p->data.hwc.layers;
int layerno = p->data.hwc.layerno;
rgz->state &= ~RGZ_STATE_INIT;
if (!layers)
return -1;
/* For debugging */
//dump_all(layers, layerno, 0);
/*
* Store buffer index to be sent in the HWC Post2 list. Any overlay
* meminfos must come first
*/
int l, memidx = 0;
for (l = 0; l < layerno; l++) {
/*
* Workaround: If a NV12 layer is present in the list, don't even try
* to blit. There is a performance degradation while playing video and
* using GC at the same time.
*/
IMG_native_handle_t *handle = (IMG_native_handle_t *)layers[l].handle;
if (!(layers[l].flags & HWC_SKIP_LAYER) && handle && is_NV12(handle->iFormat))
return -1;
if (layers[l].compositionType == HWC_OVERLAY)
memidx++;
}
int possible_blit = 0, candidates = 0;
/*
* Insert the background layer at the beginning of the list, maintain a
* state for dirty region handling
*/
rgz_layer_t *rgz_layer = &rgz->rgz_layers[0];
rgz_layer->hwc_layer = &bg_layer;
for (l = 0; l < layerno; l++) {
if (layers[l].compositionType == HWC_FRAMEBUFFER) {
candidates++;
if (rgz_in_valid_hwc_layer(&layers[l]) &&
possible_blit < RGZ_INPUT_MAXLAYERS) {
rgz_layer_t *rgz_layer = &rgz->rgz_layers[possible_blit+1];
rgz_layer->hwc_layer = &layers[l];
rgz_layer->buffidx = memidx++;
possible_blit++;
}
continue;
}
if (layers[l].hints & HWC_HINT_CLEAR_FB) {
candidates++;
if (possible_blit < RGZ_INPUT_MAXLAYERS) {
/*
* Use only the layer rectangle as an input to regionize when the clear
* fb hint is present, mark this layer to identify it.
*/
rgz_layer_t *rgz_layer = &rgz->rgz_layers[possible_blit+1];
rgz_layer->buffidx = -1;
rgz_layer->hwc_layer = &layers[l];
possible_blit++;
}
}
}
if (!possible_blit || possible_blit != candidates) {
return -1;
}
unsigned int blit_layers = possible_blit + 1; /* Account for background layer */
int reset_dirty_counters = rgz->rgz_layerno != blit_layers ? 1 : 0;
/*
* The layers we are going to blit differ in number from the previous frame,
* we can't trust anymore the region data, calculate it again
*/
if (reset_dirty_counters)
rgz_delete_region_data(rgz);
rgz->state |= RGZ_STATE_INIT;
rgz->rgz_layerno = blit_layers;
rgz_handle_dirty_region(rgz, reset_dirty_counters);
return RGZ_ALL;
}
static int rgz_in_hwc(rgz_in_params_t *p, rgz_t *rgz)
{
int yentries[RGZ_SUBREGIONMAX];
int dispw; /* widest layer */
int screen_width = p->data.hwc.dstgeom->width;
int screen_height = p->data.hwc.dstgeom->height;
if (!(rgz->state & RGZ_STATE_INIT)) {
OUTE("rgz_process started with bad state");
return -1;
}
/* If there is already region data avoid parsing it again */
if (rgz->state & RGZ_REGION_DATA) {
return 0;
}
int layerno = rgz->rgz_layerno;
/* Find the horizontal regions */
rgz_layer_t *rgz_layers = rgz->rgz_layers;
int ylen = rgz_hwc_layer_sortbyy(rgz_layers, layerno, yentries, &dispw, screen_height);
ylen = rgz_bunique(yentries, ylen);
/* at this point we have an array of horizontal regions */
rgz->nhregions = ylen - 1;
blit_hregion_t *hregions = calloc(rgz->nhregions, sizeof(blit_hregion_t));
if (!hregions) {
OUTE("Unable to allocate memory for hregions");
return -1;
}
rgz->hregions = hregions;
ALOGD_IF(debug, "Allocated %d regions (sz = %d), layerno = %d", rgz->nhregions, rgz->nhregions * sizeof(blit_hregion_t), layerno);
int i, j;
for (i = 0; i < rgz->nhregions; i++) {
hregions[i].rect.top = yentries[i];
hregions[i].rect.bottom = yentries[i+1];
/* Avoid hregions outside the display boundaries */
hregions[i].rect.left = 0;
hregions[i].rect.right = dispw > screen_width ? screen_width : dispw;
hregions[i].nlayers = 0;
for (j = 0; j < layerno; j++) {
hwc_layer_1_t *layer = rgz_layers[j].hwc_layer;
if (rgz_hwc_intersects(&hregions[i].rect, &layer->displayFrame)) {
int l = hregions[i].nlayers++;
hregions[i].rgz_layers[l] = &rgz_layers[j];
}
}
}
/* Calculate blit regions */
for (i = 0; i < rgz->nhregions; i++) {
rgz_gen_blitregions(&hregions[i], screen_width);
ALOGD_IF(debug, "hregion %3d: nsubregions %d", i, hregions[i].nsubregions);
ALOGD_IF(debug, " : %d to %d: ",
hregions[i].rect.top, hregions[i].rect.bottom);
for (j = 0; j < hregions[i].nlayers; j++)
ALOGD_IF(debug, " %p ", hregions[i].rgz_layers[j]->hwc_layer);
}
rgz->state |= RGZ_REGION_DATA;
return 0;
}
/*
* generate a human readable description of the layer
*
* idx, flags, fmt, type, sleft, stop, sright, sbot, dleft, dtop, \
* dright, dbot, rot, flip, blending, scalew, scaleh, visrects
*
*/
static void rgz_print_layer(hwc_layer_1_t *l, int idx, int csv)
{
char big_log[1024];
int e = sizeof(big_log);
char *end = big_log + e;
e -= snprintf(end - e, e, "<!-- LAYER-DAT: %d", idx);
e -= snprintf(end - e, e, "%s %p", csv ? "," : " hndl:",
l->handle ? l->handle : NULL);
e -= snprintf(end - e, e, "%s %s", csv ? "," : " flags:",
l->flags & HWC_SKIP_LAYER ? "skip" : "none");
IMG_native_handle_t *handle = (IMG_native_handle_t *)l->handle;
if (handle) {
e -= snprintf(end - e, e, "%s", csv ? ", " : " fmt: ");
switch(handle->iFormat) {
case HAL_PIXEL_FORMAT_BGRA_8888:
e -= snprintf(end - e, e, "bgra"); break;
case HAL_PIXEL_FORMAT_RGB_565:
e -= snprintf(end - e, e, "rgb565"); break;
case HAL_PIXEL_FORMAT_BGRX_8888:
e -= snprintf(end - e, e, "bgrx"); break;
case HAL_PIXEL_FORMAT_RGBX_8888:
e -= snprintf(end - e, e, "rgbx"); break;
case HAL_PIXEL_FORMAT_RGBA_8888:
e -= snprintf(end - e, e, "rgba"); break;
case HAL_PIXEL_FORMAT_TI_NV12:
case HAL_PIXEL_FORMAT_TI_NV12_PADDED:
e -= snprintf(end - e, e, "nv12"); break;
default:
e -= snprintf(end - e, e, "unknown");
}
e -= snprintf(end - e, e, "%s", csv ? ", " : " type: ");
if (handle->usage & GRALLOC_USAGE_HW_RENDER)
e -= snprintf(end - e, e, "hw");
else if (handle->usage & GRALLOC_USAGE_SW_READ_MASK ||
handle->usage & GRALLOC_USAGE_SW_WRITE_MASK)
e -= snprintf(end - e, e, "sw");
else
e -= snprintf(end - e, e, "unknown");
} else {
e -= snprintf(end - e, e, csv ? ", unknown" : " fmt: unknown");
e -= snprintf(end - e, e, csv ? ", na" : " type: na");
}
e -= snprintf(end - e, e, csv ? ", %d, %d, %d, %d" : " src: %d %d %d %d",
l->sourceCrop.left, l->sourceCrop.top, l->sourceCrop.right,
l->sourceCrop.bottom);
e -= snprintf(end - e, e, csv ? ", %d, %d, %d, %d" : " disp: %d %d %d %d",
l->displayFrame.left, l->displayFrame.top,
l->displayFrame.right, l->displayFrame.bottom);
e -= snprintf(end - e, e, "%s %s", csv ? "," : " rot:",
l->transform & HWC_TRANSFORM_ROT_90 ? "90" :
l->transform & HWC_TRANSFORM_ROT_180 ? "180" :
l->transform & HWC_TRANSFORM_ROT_270 ? "270" : "none");
char flip[5] = "";
strcat(flip, l->transform & HWC_TRANSFORM_FLIP_H ? "H" : "");
strcat(flip, l->transform & HWC_TRANSFORM_FLIP_V ? "V" : "");
if (!(l->transform & (HWC_TRANSFORM_FLIP_V|HWC_TRANSFORM_FLIP_H)))
strcpy(flip, "none");
e -= snprintf(end - e, e, "%s %s", csv ? "," : " flip:", flip);
e -= snprintf(end - e, e, "%s %s", csv ? "," : " blending:",
l->blending == HWC_BLENDING_NONE ? "none" :
l->blending == HWC_BLENDING_PREMULT ? "premult" :
l->blending == HWC_BLENDING_COVERAGE ? "coverage" : "invalid");
e -= snprintf(end - e, e, "%s %1.3f", csv ? "," : " scalew:", getscalew(l));
e -= snprintf(end - e, e, "%s %1.3f", csv ? "," : " scaleh:", getscaleh(l));
e -= snprintf(end - e, e, "%s %d", csv ? "," : " visrect:",
l->visibleRegionScreen.numRects);
if (!csv) {
e -= snprintf(end - e, e, " -->");
OUTP("%s", big_log);
size_t i = 0;
for (; i < l->visibleRegionScreen.numRects; i++) {
hwc_rect_t const *r = &l->visibleRegionScreen.rects[i];
OUTP("<!-- LAYER-VIS: %d: rect: %d %d %d %d -->",
i, r->left, r->top, r->right, r->bottom);
}
} else {
size_t i = 0;
for (; i < l->visibleRegionScreen.numRects; i++) {
hwc_rect_t const *r = &l->visibleRegionScreen.rects[i];
e -= snprintf(end - e, e, ", %d, %d, %d, %d",
r->left, r->top, r->right, r->bottom);
}
e -= snprintf(end - e, e, " -->");
OUTP("%s", big_log);
}
}
static void rgz_print_layers(hwc_display_contents_1_t* list, int csv)
{
size_t i;
for (i = 0; i < list->numHwLayers; i++) {
hwc_layer_1_t *l = &list->hwLayers[i];
rgz_print_layer(l, i, csv);
}
}
static int hal_to_ocd(int color)
{
switch(color) {
case HAL_PIXEL_FORMAT_BGRA_8888:
return OCDFMT_BGRA24;
case HAL_PIXEL_FORMAT_BGRX_8888:
return OCDFMT_BGR124;
case HAL_PIXEL_FORMAT_RGB_565:
return OCDFMT_RGB16;
case HAL_PIXEL_FORMAT_RGBA_8888:
return OCDFMT_RGBA24;
case HAL_PIXEL_FORMAT_RGBX_8888:
return OCDFMT_RGB124;
case HAL_PIXEL_FORMAT_TI_NV12:
return OCDFMT_NV12;
case HAL_PIXEL_FORMAT_YV12:
return OCDFMT_YV12;
default:
return OCDFMT_UNKNOWN;
}
}
/*
* The loadbltsville fn is only needed for testing, the bltsville shared
* libraries aren't planned to be used directly in production code here
*/
static BVFN_MAP bv_map;
static BVFN_BLT bv_blt;
static BVFN_UNMAP bv_unmap;
#ifndef RGZ_TEST_INTEGRATION
gralloc_module_t const *gralloc;
#endif
#define BLTSVILLELIB "libbltsville_cpu.so"
#ifdef RGZ_TEST_INTEGRATION
static int loadbltsville(void)
{
void *hndl = dlopen(BLTSVILLELIB, RTLD_LOCAL | RTLD_LAZY);
if (!hndl) {
OUTE("Loading bltsville failed");
return -1;
}
bv_map = (BVFN_MAP)dlsym(hndl, "bv_map");
bv_blt = (BVFN_BLT)dlsym(hndl, "bv_blt");
bv_unmap = (BVFN_UNMAP)dlsym(hndl, "bv_unmap");
if(!bv_blt || !bv_map || !bv_unmap) {
OUTE("Missing bltsville fn %p %p %p", bv_map, bv_blt, bv_unmap);
return -1;
}
OUTP("Loaded %s", BLTSVILLELIB);
#ifndef RGZ_TEST_INTEGRATION
hw_module_t const* module;
int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
if (err != 0) {
OUTE("Loading gralloc failed");
return -1;
}
gralloc = (gralloc_module_t const *)module;
#endif
return 0;
}
#else
static int loadbltsville(void) {
return 0;
}
#endif
#ifndef RGZ_TEST_INTEGRATION
static int rgz_handle_to_stride(IMG_native_handle_t *h)
{
int bpp = is_NV12(h->iFormat) ? 0 : (h->iFormat == HAL_PIXEL_FORMAT_RGB_565 ? 2 : 4);
int stride = ALIGN(h->iWidth, HW_ALIGN) * bpp;
return stride;
}
#endif
extern void BVDump(const char* prefix, const char* tab, const struct bvbltparams* parms);
static int rgz_get_orientation(unsigned int transform)
{
int orientation = 0;
if ((transform & HWC_TRANSFORM_FLIP_H) && (transform & HWC_TRANSFORM_FLIP_V))
orientation += 180;
if (transform & HWC_TRANSFORM_ROT_90)
orientation += 90;
return orientation;
}
static int rgz_get_flip_flags(unsigned int transform, int use_src2_flags)
{
/*
* If vertical and horizontal flip flags are set it means a 180 rotation
* (with no flip) is intended for the layer, so we return 0 in that case.
*/
int flip_flags = 0;
if (transform & HWC_TRANSFORM_FLIP_H)
flip_flags |= (use_src2_flags ? BVFLAG_HORZ_FLIP_SRC2 : BVFLAG_HORZ_FLIP_SRC1);
if (transform & HWC_TRANSFORM_FLIP_V)
flip_flags = flip_flags ? 0 : flip_flags | (use_src2_flags ? BVFLAG_VERT_FLIP_SRC2 : BVFLAG_VERT_FLIP_SRC1);
return flip_flags;
}
static int rgz_hwc_layer_blit(rgz_out_params_t *params, rgz_layer_t *rgz_layer)
{
static int loaded = 0;
if (!loaded)
loaded = loadbltsville() ? : 1; /* attempt load once */
hwc_layer_1_t* layer = rgz_layer->hwc_layer;
blit_rect_t srcregion;
rgz_get_displayframe_rect(layer, &srcregion);
int noblend = rgz_is_blending_disabled(params);
if (!noblend && layer->blending == HWC_BLENDING_PREMULT)
rgz_hwc_subregion_blend(params, &srcregion, rgz_layer, NULL);
else
rgz_hwc_subregion_copy(params, &srcregion, rgz_layer);
return 0;
}
/*
* Calculate the src rectangle on the basis of the layer display, source crop
* and subregion rectangles. Additionally any rotation will be taken in
* account. The resulting rectangle is written in res_rect.
*/
static void rgz_get_src_rect(hwc_layer_1_t* layer, blit_rect_t *subregion_rect, blit_rect_t *res_rect)
{
IMG_native_handle_t *handle = (IMG_native_handle_t *)layer->handle;
int res_left = 0;
int res_top = 0;
int delta_left;
int delta_top;
int res_width;
int res_height;
/*
* If the layer is scaled we use the whole cropping rectangle from the
* source and just move the clipping rectangle for the region we want to
* blit, this is done to prevent any artifacts when blitting subregions of
* a scaled layer. If there is a transform, adjust the width and height
* accordingly to match the rotated buffer geometry.
*/
if (rgz_hwc_scaled(layer)) {
delta_top = 0;
delta_left = 0;
res_width = WIDTH(layer->sourceCrop);
res_height = HEIGHT(layer->sourceCrop);
if (layer->transform & HAL_TRANSFORM_ROT_90)
swap(res_width , res_height);
} else {
delta_top = subregion_rect->top - layer->displayFrame.top;
delta_left = subregion_rect->left - layer->displayFrame.left;
res_width = WIDTH(*subregion_rect);
res_height = HEIGHT(*subregion_rect);
}
/*
* Calculate the top, left offset from the source cropping rectangle
* depending on the rotation
*/
switch(layer->transform) {
case 0:
res_left = layer->sourceCrop.left + delta_left;
res_top = layer->sourceCrop.top + delta_top;
break;
case HAL_TRANSFORM_ROT_90:
res_left = handle->iHeight - layer->sourceCrop.bottom + delta_left;
res_top = layer->sourceCrop.left + delta_top;
break;
case HAL_TRANSFORM_ROT_180:
res_left = handle->iWidth - layer->sourceCrop.right + delta_left;
res_top = handle->iHeight - layer->sourceCrop.bottom + delta_top;
break;
case HAL_TRANSFORM_ROT_270:
res_left = layer->sourceCrop.top + delta_left;
res_top = handle->iWidth - layer->sourceCrop.right + delta_top;
break;
default:
OUTE("Invalid transform value %d", layer->transform);
}
/* Resulting rectangle has the subregion dimensions */
res_rect->left = res_left;
res_rect->top = res_top;
res_rect->right = res_left + res_width;
res_rect->bottom = res_top + res_height;
}
static void rgz_batch_entry(struct rgz_blt_entry* e, unsigned int flag, unsigned int set)
{
e->bp.flags &= ~BVFLAG_BATCH_MASK;
e->bp.flags |= flag;
e->bp.batchflags |= set;
}
static int rgz_hwc_subregion_blit(blit_hregion_t *hregion, int sidx, rgz_out_params_t *params)
{
static int loaded = 0;
if (!loaded)
loaded = loadbltsville() ? : 1; /* attempt load once */
int lix;
int ldepth = get_layer_ops(hregion, sidx, &lix);
if (ldepth == 0) {
/* Impossible, there are no layers in this region even if the
* background is covering the whole screen
*/
OUTE("hregion %p subregion %d doesn't have any ops", hregion, sidx);
return -1;
}
/* Determine if this region is dirty */
int dirty = 0, dirtylix = lix;
while (dirtylix != -1) {
rgz_layer_t *rgz_layer = hregion->rgz_layers[dirtylix];
if (rgz_layer->dirty_count){
/* One of the layers is dirty, we need to generate blits for this subregion */
dirty = 1;
break;
}
dirtylix = get_layer_ops_next(hregion, sidx, dirtylix);
}
if (!dirty)
return 0;
/* Check if the bottom layer is the background */
if (hregion->rgz_layers[lix]->hwc_layer == &bg_layer) {
if (ldepth == 1) {
/* Background layer is the only operation, clear subregion */
rgz_out_clrdst(params, &hregion->blitrects[lix][sidx]);
return 0;
} else {
/* No need to generate blits with background layer if there is
* another layer on top of it, discard it
*/
ldepth--;
lix = get_layer_ops_next(hregion, sidx, lix);
}
}
/*
* See if the depth most layer needs to be ignored. If this layer is the
* only operation, we need to clear this subregion.
*/
if (hregion->rgz_layers[lix]->buffidx == -1) {
ldepth--;
if (!ldepth) {
rgz_out_clrdst(params, &hregion->blitrects[lix][sidx]);
return 0;
}
lix = get_layer_ops_next(hregion, sidx, lix);
}
int noblend = rgz_is_blending_disabled(params);
if (!noblend && ldepth > 1) { /* BLEND */
blit_rect_t *rect = &hregion->blitrects[lix][sidx];
struct rgz_blt_entry* e;
int s2lix = lix;
lix = get_layer_ops_next(hregion, sidx, lix);
/*
* We save a read and a write from the FB if we blend the bottom
* two layers, we can do this only if both layers are not scaled
*/
int first_batchflags = 0;
if (!rgz_hwc_scaled(hregion->rgz_layers[lix]->hwc_layer) &&
!rgz_hwc_scaled(hregion->rgz_layers[s2lix]->hwc_layer)) {
e = rgz_hwc_subregion_blend(params, rect, hregion->rgz_layers[lix],
hregion->rgz_layers[s2lix]);
first_batchflags |= BVBATCH_SRC2;
} else {
/* Return index to the first operation and make a copy of the first layer */
lix = s2lix;
e = rgz_hwc_subregion_copy(params, rect, hregion->rgz_layers[lix]);
first_batchflags |= BVBATCH_OP | BVBATCH_SRC2;
}
rgz_batch_entry(e, BVFLAG_BATCH_BEGIN, 0);
/* Rest of layers blended with FB */
int first = 1;
while((lix = get_layer_ops_next(hregion, sidx, lix)) != -1) {
int batchflags = 0;
e = rgz_hwc_subregion_blend(params, rect, hregion->rgz_layers[lix], NULL);
if (first) {
first = 0;
batchflags |= first_batchflags;
}
/*
* TODO: This will work when scaling is introduced, however we need
* to think on a better way to optimize this.
*/
batchflags |= BVBATCH_SRC1 | BVBATCH_SRC1RECT_ORIGIN| BVBATCH_SRC1RECT_SIZE |
BVBATCH_DSTRECT_ORIGIN | BVBATCH_DSTRECT_SIZE | BVBATCH_SRC2RECT_ORIGIN |
BVBATCH_SRC2RECT_SIZE | BVBATCH_SCALE;
rgz_batch_entry(e, BVFLAG_BATCH_CONTINUE, batchflags);
}
if (e->bp.flags & BVFLAG_BATCH_BEGIN)
rgz_batch_entry(e, 0, 0);
else
rgz_batch_entry(e, BVFLAG_BATCH_END, 0);
} else { /* COPY */
blit_rect_t *rect = &hregion->blitrects[lix][sidx];
if (noblend) /* get_layer_ops() doesn't understand this so get the top */
lix = get_top_rect(hregion, sidx, &rect);
rgz_hwc_subregion_copy(params, rect, hregion->rgz_layers[lix]);
}
return 0;
}
struct bvbuffdesc gscrndesc = {
.structsize = sizeof(struct bvbuffdesc), .length = 0,
.auxptr = MAP_FAILED
};
struct bvsurfgeom gscrngeom = {
.structsize = sizeof(struct bvsurfgeom), .format = OCDFMT_UNKNOWN
};
static void rgz_blts_init(struct rgz_blts *blts)
{
bzero(blts, sizeof(*blts));
}
static void rgz_blts_free(struct rgz_blts *blts)
{
/* TODO ??? maybe we should dynamically allocate this */
rgz_blts_init(blts);
}
static struct rgz_blt_entry* rgz_blts_get(struct rgz_blts *blts, rgz_out_params_t *params)
{
struct rgz_blt_entry *ne;
if (blts->idx < RGZ_MAX_BLITS) {
ne = &blts->bvcmds[blts->idx++];
if (IS_BVCMD(params))
params->data.bvc.out_blits++;
} else {
OUTE("!!! BIG PROBLEM !!! run out of blit entries");
ne = &blts->bvcmds[blts->idx - 1]; /* Return last slot */
}
return ne;
}
static int rgz_blts_bvdirect(rgz_t *rgz, struct rgz_blts *blts, rgz_out_params_t *params)
{
struct bvbatch *batch = NULL;
int rv = -1;
int idx = 0;
while (idx < blts->idx) {
struct rgz_blt_entry *e = &blts->bvcmds[idx];
if (e->bp.flags & BVFLAG_BATCH_MASK)
e->bp.batch = batch;
rv = bv_blt(&e->bp);
if (rv) {
OUTE("BV_BLT failed: %d", rv);
BVDUMP("bv_blt:", " ", &e->bp);
return -1;
}
if (e->bp.flags & BVFLAG_BATCH_BEGIN)
batch = e->bp.batch;
idx++;
}
return rv;
}
static int rgz_out_region(rgz_t *rgz, rgz_out_params_t *params)
{
if (!(rgz->state & RGZ_REGION_DATA)) {
OUTE("rgz_out_region invoked with bad state");
return -1;
}
rgz_blts_init(&blts);
ALOGD_IF(debug, "rgz_out_region:");
if (IS_BVCMD(params))
params->data.bvc.out_blits = 0;
int i;
for (i = 0; i < rgz->nhregions; i++) {
blit_hregion_t *hregion = &rgz->hregions[i];
int s;
ALOGD_IF(debug, "h[%d] nsubregions = %d", i, hregion->nsubregions);
if (hregion->nlayers == 0) {
/* Impossible, there are no layers in this region even if the
* background is covering the whole screen
*/
OUTE("hregion %p doesn't have any ops", hregion);
return -1;
}
for (s = 0; s < hregion->nsubregions; s++) {
ALOGD_IF(debug, "h[%d] -> [%d]", i, s);
if (rgz_hwc_subregion_blit(hregion, s, params))
return -1;
}
}
int rv = 0;
if (IS_BVCMD(params)) {
unsigned int j;
params->data.bvc.out_nhndls = 0;
/* Begin from index 1 to remove the background layer from the output */
for (j = 1, i = 0; j < rgz->rgz_layerno; j++) {
rgz_layer_t *rgz_layer = &rgz->rgz_layers[j];
/* We don't need the handles for layers marked as -1 */
if (rgz_layer->buffidx == -1)
continue;
hwc_layer_1_t *layer = rgz_layer->hwc_layer;
params->data.bvc.out_hndls[i++] = layer->handle;
params->data.bvc.out_nhndls++;
}
if (blts.idx > 0) {
/* Last blit is made sync to act like a fence for the previous async blits */
struct rgz_blt_entry* e = &blts.bvcmds[blts.idx-1];
rgz_set_async(e, 0);
}
/* FIXME: we want to be able to call rgz_blts_free and populate the actual
* composition data structure ourselves */
params->data.bvc.cmdp = blts.bvcmds;
params->data.bvc.cmdlen = blts.idx;
if (params->data.bvc.out_blits >= RGZ_MAX_BLITS)
rv = -1;
//rgz_blts_free(&blts);
} else {
rv = rgz_blts_bvdirect(rgz, &blts, params);
rgz_blts_free(&blts);
}
return rv;
}
void rgz_profile_hwc(hwc_display_contents_1_t* list, int dispw, int disph)
{
if (!list) /* A NULL composition list can occur */
return;
#ifndef RGZ_TEST_INTEGRATION
static char regiondump2[PROPERTY_VALUE_MAX] = "";
char regiondump[PROPERTY_VALUE_MAX];
property_get("debug.2dhwc.region", regiondump, "0");
int dumpregions = strncmp(regiondump, regiondump2, PROPERTY_VALUE_MAX);
if (dumpregions)
strncpy(regiondump2, regiondump, PROPERTY_VALUE_MAX);
else {
dumpregions = !strncmp(regiondump, "all", PROPERTY_VALUE_MAX) &&
(list->flags & HWC_GEOMETRY_CHANGED);
static int iteration = 0;
if (dumpregions)
sprintf(regiondump, "iteration %d", iteration++);
}
char dumplayerdata[PROPERTY_VALUE_MAX];
/* 0 - off, 1 - human readable, 2 - CSV */
property_get("debug.2dhwc.dumplayers", dumplayerdata, "0");
int dumplayers = atoi(dumplayerdata);
#else
char regiondump[] = "";
int dumplayers = 1;
int dumpregions = 0;
#endif
if (dumplayers && (list->flags & HWC_GEOMETRY_CHANGED)) {
OUTP("<!-- BEGUN-LAYER-DUMP: %d -->", list->numHwLayers);
rgz_print_layers(list, dumplayers == 1 ? 0 : 1);
OUTP("<!-- ENDED-LAYER-DUMP -->");
}
if(!dumpregions)
return;
rgz_t rgz;
rgz_in_params_t ip = { .data = { .hwc = {
.layers = list->hwLayers,
.layerno = list->numHwLayers } } };
ip.op = RGZ_IN_HWCCHK;
if (rgz_in(&ip, &rgz) == RGZ_ALL) {
ip.op = RGZ_IN_HWC;
if (rgz_in(&ip, &rgz) == RGZ_ALL) {
OUTP("<!-- BEGUN-SVG-DUMP: %s -->", regiondump);
OUTP("<b>%s</b>", regiondump);
rgz_out_params_t op = {
.op = RGZ_OUT_SVG,
.data = {
.svg = {
.dispw = dispw, .disph = disph,
.htmlw = 450, .htmlh = 800
}
},
};
rgz_out(&rgz, &op);
OUTP("<!-- ENDED-SVG-DUMP -->");
}
}
rgz_release(&rgz);
}
int rgz_get_screengeometry(int fd, struct bvsurfgeom *geom, int fmt)
{
/* Populate Bltsville destination buffer information with framebuffer data */
struct fb_fix_screeninfo fb_fixinfo;
struct fb_var_screeninfo fb_varinfo;
ALOGI("Attempting to get framebuffer device info.");
if(ioctl(fd, FBIOGET_FSCREENINFO, &fb_fixinfo)) {
OUTE("Error getting fb_fixinfo");
return -EINVAL;
}
if(ioctl(fd, FBIOGET_VSCREENINFO, &fb_varinfo)) {
ALOGE("Error gettting fb_varinfo");
return -EINVAL;
}
bzero(&bg_layer, sizeof(bg_layer));
bg_layer.displayFrame.left = bg_layer.displayFrame.top = 0;
bg_layer.displayFrame.right = fb_varinfo.xres;
bg_layer.displayFrame.bottom = fb_varinfo.yres;
bzero(geom, sizeof(*geom));
geom->structsize = sizeof(*geom);
geom->width = fb_varinfo.xres;
geom->height = fb_varinfo.yres;
geom->virtstride = fb_fixinfo.line_length;
geom->format = hal_to_ocd(fmt);
/* Always set to 0, src buffers will contain rotation values as needed */
geom->orientation = 0;
return 0;
}
int rgz_in(rgz_in_params_t *p, rgz_t *rgz)
{
int rv = -1;
switch (p->op) {
case RGZ_IN_HWC:
rv = rgz_in_hwccheck(p, rgz);
if (rv == RGZ_ALL)
rv = rgz_in_hwc(p, rgz) ? 0 : RGZ_ALL;
break;
case RGZ_IN_HWCCHK:
bzero(rgz, sizeof(rgz_t));
rv = rgz_in_hwccheck(p, rgz);
break;
default:
return -1;
}
return rv;
}
void rgz_release(rgz_t *rgz)
{
if (!rgz)
return;
if (rgz->hregions)
free(rgz->hregions);
bzero(rgz, sizeof(*rgz));
}
int rgz_out(rgz_t *rgz, rgz_out_params_t *params)
{
switch (params->op) {
case RGZ_OUT_SVG:
rgz_out_svg(rgz, params);
return 0;
case RGZ_OUT_BVDIRECT_PAINT:
return rgz_out_bvdirect_paint(rgz, params);
case RGZ_OUT_BVCMD_PAINT:
return rgz_out_bvcmd_paint(rgz, params);
case RGZ_OUT_BVDIRECT_REGION:
case RGZ_OUT_BVCMD_REGION:
return rgz_out_region(rgz, params);
default:
return -1;
}
}