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-rw-r--r--hwc/rgz_2d.c1997
1 files changed, 1997 insertions, 0 deletions
diff --git a/hwc/rgz_2d.c b/hwc/rgz_2d.c
new file mode 100644
index 0000000..ac4be96
--- /dev/null
+++ b/hwc/rgz_2d.c
@@ -0,0 +1,1997 @@
+/*
+ * 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>
+
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <hardware/hwcomposer.h>
+
+#include "hwc_dev.h"
+
+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)
+#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 */
+#define OUTP ALOGI
+#define OUTE ALOGE
+
+#define IS_BVCMD(params) (params->op == RGZ_OUT_BVCMD_REGION || params->op == RGZ_OUT_BVCMD_PAINT)
+
+#define RECT_INTERSECTS(a, b) (((a).bottom > (b).top) && ((a).top < (b).bottom) && ((a).right > (b).left) && ((a).left < (b).right))
+
+/* Buffer indexes used to distinguish background and layers with the clear fb hint */
+#define RGZ_BACKGROUND_BUFFIDX -2
+#define RGZ_CLEARHINT_BUFFIDX -1
+
+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;
+ int i;
+ (void)rgz;
+
+ rgz_blts_init(&blts);
+
+ /* Begin from index 1 to remove the background layer from the output */
+ rgz_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+ for (i = 1; i < cur_fb_state->rgz_layerno; i++) {
+ rv = rgz_hwc_layer_blit(params, &cur_fb_state->rgz_layers[i]);
+ if (rv) {
+ OUTE("bvdirect_paint: error in layer %d: %d", i, rv);
+ dump_all(cur_fb_state->rgz_layers, cur_fb_state->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;
+}
+
+/*
+ * Returns a clock-wise rotated view of the inner rectangle relative to
+ * the outer rectangle. The inner rectangle must be contained in the outer
+ * rectangle and coordinates must be relative to the top,left corner of the outer
+ * rectangle.
+ */
+static void rgz_get_rotated_view(blit_rect_t *outer_rect, blit_rect_t *inner_rect,
+ blit_rect_t *res_rect, int orientation)
+{
+ int outer_width = WIDTH(*outer_rect);
+ int outer_height = HEIGHT(*outer_rect);
+ int inner_width = WIDTH(*inner_rect);
+ int inner_height = HEIGHT(*inner_rect);
+ int delta_top = inner_rect->top - outer_rect->top;
+ int delta_left = inner_rect->left - outer_rect->left;
+
+ /* Normalize the angle */
+ orientation = (orientation % 360) + 360;
+
+ /*
+ * Calculate the top,left offset of the inner rectangle inside the outer
+ * rectangle depending on the tranformation value.
+ */
+ switch(orientation % 360) {
+ case 0:
+ res_rect->left = delta_left;
+ res_rect->top = delta_top;
+ break;
+ case 180:
+ res_rect->left = outer_width - inner_width - delta_left;
+ res_rect->top = outer_height - inner_height - delta_top;
+ break;
+ case 90:
+ res_rect->left = outer_height - inner_height - delta_top;
+ res_rect->top = delta_left;
+ break;
+ case 270:
+ res_rect->left = delta_top;
+ res_rect->top = outer_width - inner_width - delta_left;
+ break;
+ default:
+ OUTE("Invalid transform value %d", orientation);
+ }
+
+ if (orientation % 180)
+ swap(inner_width, inner_height);
+
+ res_rect->right = res_rect->left + inner_width;
+ res_rect->bottom = res_rect->top + inner_height;
+}
+
+static void rgz_get_src_rect(hwc_layer_1_t* layer, blit_rect_t *subregion_rect, blit_rect_t *res_rect)
+{
+ if (rgz_hwc_scaled(layer)) {
+ /*
+ * 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.
+ */
+ res_rect->top = layer->sourceCrop.top;
+ res_rect->left = layer->sourceCrop.left;
+ res_rect->bottom = layer->sourceCrop.bottom;
+ res_rect->right = layer->sourceCrop.right;
+ return;
+ }
+
+ blit_rect_t display_frame;
+ rgz_get_displayframe_rect(layer, &display_frame);
+
+ /*
+ * Get the rotated subregion rectangle with respect to the display frame.
+ * In order to get this correctly we need to take in account the HWC
+ * orientation is clock-wise so to return to the 0 degree view we need to
+ * rotate counter-clock wise the orientation. For example, if the
+ * orientation is 90 we need to rotate -90 to return to a 0 degree view.
+ */
+ int src_orientation = 0 - rgz_get_orientation(layer->transform);
+ rgz_get_rotated_view(&display_frame, subregion_rect, res_rect, src_orientation);
+
+ /*
+ * In order to translate the resulting rectangle relative to the cropping
+ * rectangle the only thing left is account for the offset (result is already
+ * rotated).
+ */
+ res_rect->left += layer->sourceCrop.left;
+ res_rect->right += layer->sourceCrop.left;
+ res_rect->top += layer->sourceCrop.top;
+ res_rect->bottom += layer->sourceCrop.top;
+}
+
+/*
+ * Convert a destination geometry and rectangle to a specified rotated view.
+ * Since clipping rectangle is relative to the destination geometry it will be
+ * rotated as well.
+ */
+static void rgz_rotate_dst(struct rgz_blt_entry* e, int dst_orientation)
+{
+ struct bvsurfgeom *dstgeom = &e->dstgeom;
+ struct bvrect *dstrect = &e->bp.dstrect;
+ struct bvrect *cliprect = &e->bp.cliprect;
+
+ /*
+ * Create a rectangle that represents the destination geometry (outter
+ * rectangle), destination and clipping rectangles (inner rectangles).
+ */
+ blit_rect_t dstgeom_r;
+ dstgeom_r.top = dstgeom_r.left = 0;
+ dstgeom_r.bottom = dstgeom->height;
+ dstgeom_r.right = dstgeom->width;
+
+ blit_rect_t dstrect_r;
+ dstrect_r.top = dstrect->top;
+ dstrect_r.left = dstrect->left;
+ dstrect_r.bottom = dstrect->top + dstrect->height;
+ dstrect_r.right = dstrect->left + dstrect->width;
+
+ blit_rect_t cliprect_r;
+ cliprect_r.top = cliprect->top;
+ cliprect_r.left = cliprect->left;
+ cliprect_r.bottom = cliprect->top + cliprect->height;
+ cliprect_r.right = cliprect->left + cliprect->width;
+
+ /* Get the CW rotated view of the destination rectangle */
+ blit_rect_t res_rect;
+ rgz_get_rotated_view(&dstgeom_r, &dstrect_r, &res_rect, dst_orientation);
+ dstrect->left = res_rect.left;
+ dstrect->top = res_rect.top;
+ dstrect->width = WIDTH(res_rect);
+ dstrect->height = HEIGHT(res_rect);
+
+ rgz_get_rotated_view(&dstgeom_r, &cliprect_r, &res_rect, dst_orientation);
+ cliprect->left = res_rect.left;
+ cliprect->top = res_rect.top;
+ cliprect->width = WIDTH(res_rect);
+ cliprect->height = HEIGHT(res_rect);
+
+ if (dst_orientation % 180)
+ swap(e->dstgeom.width, e->dstgeom.height);
+}
+
+static void rgz_set_dst_data(rgz_out_params_t *params, blit_rect_t *subregion_rect,
+ struct rgz_blt_entry* e, int dst_orientation)
+{
+ 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 = dst_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);
+
+ /* Give a rotated buffer representation of the destination if requested */
+ if (e->dstgeom.orientation)
+ rgz_rotate_dst(e, dst_orientation);
+}
+
+/* Convert a source geometry and rectangle to a specified rotated view */
+static void rgz_rotate_src(struct rgz_blt_entry* e, int src_orientation, int is_src2)
+{
+ struct bvsurfgeom *srcgeom = is_src2 ? &e->src2geom : &e->src1geom;
+ struct bvrect *srcrect = is_src2 ? &e->bp.src2rect : &e->bp.src1rect;
+
+ /*
+ * Create a rectangle that represents the source geometry (outter rectangle),
+ * source rectangle (inner rectangle).
+ */
+ blit_rect_t srcgeom_r;
+ srcgeom_r.top = srcgeom_r.left = 0;
+ srcgeom_r.bottom = srcgeom->height;
+ srcgeom_r.right = srcgeom->width;
+
+ blit_rect_t srcrect_r;
+ srcrect_r.top = srcrect->top;
+ srcrect_r.left = srcrect->left;
+ srcrect_r.bottom = srcrect->top + srcrect->height;
+ srcrect_r.right = srcrect->left + srcrect->width;
+
+ /* Get the CW rotated view of the source rectangle */
+ blit_rect_t res_rect;
+ rgz_get_rotated_view(&srcgeom_r, &srcrect_r, &res_rect, src_orientation);
+
+ srcrect->left = res_rect.left;
+ srcrect->top = res_rect.top;
+ srcrect->width = WIDTH(res_rect);
+ srcrect->height = HEIGHT(res_rect);
+
+ if (src_orientation % 180)
+ swap(srcgeom->width, srcgeom->height);
+}
+
+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 src_orientation,
+ 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->virtstride = HANDLE_TO_STRIDE(handle);
+
+ /* 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);
+
+ /* Give a rotated buffer representation of this source if requested */
+ if (src_orientation) {
+ srcgeom->orientation = src_orientation;
+ rgz_rotate_src(e, src_orientation, is_src2);
+ } else
+ srcgeom->orientation = 0;
+}
+
+/*
+ * 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;
+}
+
+static int rgz_is_layer_nv12(hwc_layer_1_t *layer)
+{
+ IMG_native_handle_t *handle = (IMG_native_handle_t *)layer->handle;
+ return is_NV12(handle->iFormat);
+}
+
+/*
+ * 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
+ */
+ e->bp.scalemode = rgz_is_layer_nv12(layer) ? 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;
+
+ int src1_orientation = rgz_get_orientation(hwc_src1->transform);
+ int dst_orientation = 0;
+
+ if (rgz_is_layer_nv12(hwc_src1)) {
+ /*
+ * Leave NV12 as 0 degree and rotate destination instead, this is done
+ * because of a GC limitation. Rotate destination CW.
+ */
+ dst_orientation = 360 - src1_orientation;
+ src1_orientation = 0;
+ }
+
+ rgz_set_src_data(params, rgz_src1, &tmp_rect, e, src1_orientation, 0);
+ rgz_set_clip_rect(params, subregion_rect, e);
+ rgz_set_dst_data(params, &tmp_rect, e, dst_orientation);
+
+ 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;
+
+ int src1_orientation = rgz_get_orientation(hwc_src1->transform);
+ int dst_orientation = 0;
+
+ if (rgz_is_layer_nv12(hwc_src1)) {
+ /*
+ * Leave NV12 as 0 degree and rotate destination instead, this is done
+ * because of a GC limitation. Rotate destination CW.
+ */
+ dst_orientation = 360 - src1_orientation;
+ src1_orientation = 0;
+ }
+
+ rgz_set_src_data(params, rgz_src1, &tmp_rect, e, src1_orientation, 0);
+ rgz_set_clip_rect(params, subregion_rect, e);
+ rgz_set_dst_data(params, &tmp_rect, e, dst_orientation);
+
+ 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);
+ /*
+ * We shouldn't receive a NV12 buffer as src2 at this point, this is an
+ * invalid parameter for the blend request
+ */
+ if (rgz_is_layer_nv12(hwc_src2))
+ OUTE("invalid input layer, src2 layer %p is NV12", hwc_src2);
+ e->bp.flags |= rgz_get_flip_flags(hwc_src2->transform, 1);
+ int src2_orientation = rgz_get_orientation(hwc_src2->transform);
+ rgz_set_src_data(params, rgz_src2, subregion_rect, e, src2_orientation, 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_clip_rect(params, &clear_rect, e);
+ rgz_set_dst_data(params, &clear_rect, e, 0);
+}
+
+static int rgz_out_bvcmd_paint(rgz_t *rgz, rgz_out_params_t *params)
+{
+ int rv = 0;
+ int i, j;
+ params->data.bvc.out_blits = 0;
+ params->data.bvc.out_nhndls = 0;
+ rgz_blts_init(&blts);
+ rgz_out_clrdst(params, NULL);
+
+ /* Begin from index 1 to remove the background layer from the output */
+ rgz_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+ for (i = 1, j = 0; i < cur_fb_state->rgz_layerno; i++) {
+ rgz_layer_t *rgz_layer = &cur_fb_state->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(cur_fb_state->rgz_layers, cur_fb_state->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;
+}
+
+/*
+ * Simple bubble sort on an array, ascending order
+ */
+static void rgz_bsort(int *a, int len)
+{
+ int i, j;
+ for (i = 0; i < len; i++) {
+ for (j = 0; j < i; j++) {
+ if (a[i] < a[j]) {
+ int temp = a[i];
+ a[i] = a[j];
+ a[j] = temp;
+ }
+ }
+ }
+}
+
+/*
+ * 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 void rgz_gen_blitregions(rgz_t *rgz, 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;
+
+ /*
+ * Add damaged region, then all layers. We are guaranteed to not go outside
+ * of offsets array boundaries at this point.
+ */
+ offsets[noffsets++] = rgz->damaged_area.left;
+ offsets[noffsets++] = rgz->damaged_area.right;
+
+ 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 */
+ offsets[noffsets++] = max(0, layer->displayFrame.left);
+ offsets[noffsets++] = min(layer->displayFrame.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 (RECT_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 rgz_fb_state_t* get_prev_fb_state(rgz_t *rgz)
+{
+ return &rgz->fb_states[rgz->fb_state_idx];
+}
+
+static rgz_fb_state_t* get_next_fb_state(rgz_t *rgz)
+{
+ rgz->fb_state_idx = (rgz->fb_state_idx + 1) % RGZ_NUM_FB;
+ return &rgz->fb_states[rgz->fb_state_idx];
+}
+
+static void rgz_add_to_damaged_area(rgz_in_params_t *params, rgz_layer_t *rgz_layer,
+ blit_rect_t *damaged_area)
+{
+ struct bvsurfgeom *screen_geom = params->data.hwc.dstgeom;
+ hwc_layer_1_t *layer = &rgz_layer->hwc_layer;
+
+ blit_rect_t screen_rect;
+ screen_rect.left = screen_rect.top = 0;
+ screen_rect.right = screen_geom->width;
+ screen_rect.bottom = screen_geom->height;
+
+ /* Ignore the layer rectangle if it doesn't intersect the screen */
+ if (!RECT_INTERSECTS(screen_rect, layer->displayFrame))
+ return;
+
+ /* Clip the layer rectangle to the screen geometry */
+ blit_rect_t layer_rect;
+ rgz_get_displayframe_rect(layer, &layer_rect);
+ layer_rect.left = max(0, layer_rect.left);
+ layer_rect.top = max(0, layer_rect.top);
+ layer_rect.right = min(screen_rect.right, layer_rect.right);
+ layer_rect.bottom = min(screen_rect.bottom, layer_rect.bottom);
+
+ /* Then add the rectangle to the damage area */
+ if (empty_rect(damaged_area)) {
+ /* Adding for the first time */
+ damaged_area->left = layer_rect.left;
+ damaged_area->top = layer_rect.top;
+ damaged_area->right = layer_rect.right;
+ damaged_area->bottom = layer_rect.bottom;
+ } else {
+ /* Grow current damaged area */
+ damaged_area->left = min(damaged_area->left, layer_rect.left);
+ damaged_area->top = min(damaged_area->top, layer_rect.top);
+ damaged_area->right = max(damaged_area->right, layer_rect.right);
+ damaged_area->bottom = max(damaged_area->bottom, layer_rect.bottom);
+ }
+}
+
+/* Search a layer with the specified identity in the passed array */
+static rgz_layer_t* rgz_find_layer(rgz_layer_t *rgz_layers, int rgz_layerno,
+ uint32_t layer_identity)
+{
+ int i;
+ for (i = 0; i < rgz_layerno; i++) {
+ rgz_layer_t *rgz_layer = &rgz_layers[i];
+ /* Ignore background layer, it has no identity */
+ if (rgz_layer->buffidx == RGZ_BACKGROUND_BUFFIDX)
+ continue;
+ if (rgz_layer->identity == layer_identity)
+ return rgz_layer;
+ }
+ return NULL;
+}
+
+/* Determines if two layers with the same identity have changed its own window content */
+static int rgz_has_layer_content_changed(rgz_layer_t *cur_rgz_layer, rgz_layer_t *prev_rgz_layer)
+{
+ hwc_layer_1_t *cur_hwc_layer = &cur_rgz_layer->hwc_layer;
+ hwc_layer_1_t *prev_hwc_layer = &prev_rgz_layer->hwc_layer;
+
+ /* The background has no identity and never changes */
+ if (cur_rgz_layer->buffidx == RGZ_BACKGROUND_BUFFIDX &&
+ prev_rgz_layer->buffidx == RGZ_BACKGROUND_BUFFIDX)
+ return 0;
+
+ if (cur_rgz_layer->identity != prev_rgz_layer->identity) {
+ OUTE("%s: Invalid input, layer identities differ (current=%d, prev=%d)",
+ __func__, cur_rgz_layer->identity, prev_rgz_layer->identity);
+ return 1;
+ }
+
+ /* If the layer has the clear fb hint we don't care about the content */
+ if (cur_rgz_layer->buffidx == RGZ_CLEARHINT_BUFFIDX &&
+ prev_rgz_layer->buffidx == RGZ_CLEARHINT_BUFFIDX)
+ return 0;
+
+ /* Check if the layer content has changed */
+ if (cur_hwc_layer->handle != prev_hwc_layer->handle ||
+ cur_hwc_layer->transform != prev_hwc_layer->transform ||
+ cur_hwc_layer->sourceCrop.top != prev_hwc_layer->sourceCrop.top ||
+ cur_hwc_layer->sourceCrop.left != prev_hwc_layer->sourceCrop.left ||
+ cur_hwc_layer->sourceCrop.bottom != prev_hwc_layer->sourceCrop.bottom ||
+ cur_hwc_layer->sourceCrop.right != prev_hwc_layer->sourceCrop.right)
+ return 1;
+
+ return 0;
+}
+
+/* Determines if two layers with the same identity have changed their screen position */
+static int rgz_has_layer_frame_moved(rgz_layer_t *cur_rgz_layer, rgz_layer_t *target_rgz_layer)
+{
+ hwc_layer_1_t *cur_hwc_layer = &cur_rgz_layer->hwc_layer;
+ hwc_layer_1_t *target_hwc_layer = &target_rgz_layer->hwc_layer;
+
+ if (cur_rgz_layer->identity != target_rgz_layer->identity) {
+ OUTE("%s: Invalid input, layer identities differ (current=%d, target=%d)",
+ __func__, cur_rgz_layer->identity, target_rgz_layer->identity);
+ return 1;
+ }
+
+ if (cur_hwc_layer->displayFrame.top != target_hwc_layer->displayFrame.top ||
+ cur_hwc_layer->displayFrame.left != target_hwc_layer->displayFrame.left ||
+ cur_hwc_layer->displayFrame.bottom != target_hwc_layer->displayFrame.bottom ||
+ cur_hwc_layer->displayFrame.right != target_hwc_layer->displayFrame.right)
+ return 1;
+
+ return 0;
+}
+
+static void rgz_handle_dirty_region(rgz_t *rgz, rgz_in_params_t *params,
+ rgz_fb_state_t* prev_fb_state, rgz_fb_state_t* target_fb_state)
+{
+ /* Reset damaged area */
+ bzero(&rgz->damaged_area, sizeof(rgz->damaged_area));
+
+ int i;
+ rgz_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+
+ for (i = 0; i < cur_fb_state->rgz_layerno; i++) {
+ rgz_layer_t *cur_rgz_layer = &cur_fb_state->rgz_layers[i];
+ rgz_layer_t *prev_rgz_layer = NULL;
+ int layer_changed = 0;
+
+ if (i == 0) {
+ /*
+ * Background is always zero, no need to search for it. If the previous state
+ * is empty reset the dirty count for the background layer.
+ */
+ if (prev_fb_state->rgz_layerno)
+ prev_rgz_layer = &prev_fb_state->rgz_layers[0];
+ } else {
+ /* Find out if this layer was present in the previous frame */
+ prev_rgz_layer = rgz_find_layer(prev_fb_state->rgz_layers,
+ prev_fb_state->rgz_layerno, cur_rgz_layer->identity);
+ }
+
+ /* Check if the layer is new or if the content changed from the previous frame */
+ if (prev_rgz_layer && !rgz_has_layer_content_changed(cur_rgz_layer, prev_rgz_layer)) {
+ /* Copy previous dirty count */
+ cur_rgz_layer->dirty_count = prev_rgz_layer->dirty_count;
+ cur_rgz_layer->dirty_count -= cur_rgz_layer->dirty_count ? 1 : 0;
+ } else
+ cur_rgz_layer->dirty_count = RGZ_NUM_FB;
+
+ /* If the layer is new, redraw the layer area */
+ if (!prev_rgz_layer) {
+ rgz_add_to_damaged_area(params, cur_rgz_layer, &rgz->damaged_area);
+ continue;
+ }
+
+ /* Nothing more to do with the background layer */
+ if (i == 0)
+ continue;
+
+ /* Find out if the layer is present in the target frame */
+ rgz_layer_t *target_rgz_layer = rgz_find_layer(target_fb_state->rgz_layers,
+ target_fb_state->rgz_layerno, cur_rgz_layer->identity);
+
+ if (target_rgz_layer) {
+ /* Find out if the window size and position are different from the target frame */
+ if (rgz_has_layer_frame_moved(cur_rgz_layer, target_rgz_layer)) {
+ /*
+ * Redraw both layer areas. This will effectively clear the area where
+ * this layer was in the target frame and force to draw the new layer
+ * location.
+ */
+ rgz_add_to_damaged_area(params, cur_rgz_layer, &rgz->damaged_area);
+ rgz_add_to_damaged_area(params, target_rgz_layer, &rgz->damaged_area);
+ cur_rgz_layer->dirty_count = RGZ_NUM_FB;
+ }
+ } else {
+ /* If the layer is not in the target just draw it's new location */
+ rgz_add_to_damaged_area(params, cur_rgz_layer, &rgz->damaged_area);
+ }
+ }
+
+ /*
+ * Add to damage area layers missing from the target frame to the current frame
+ * ignoring the background
+ */
+ for (i = 1; i < target_fb_state->rgz_layerno; i++) {
+ rgz_layer_t *target_rgz_layer = &target_fb_state->rgz_layers[i];
+
+ rgz_layer_t *cur_rgz_layer = rgz_find_layer(cur_fb_state->rgz_layers,
+ cur_fb_state->rgz_layerno, target_rgz_layer->identity);
+
+ /* Layers present in the target have been handled already in the loop above */
+ if (cur_rgz_layer)
+ continue;
+
+ /* The target layer is not present in the current frame, redraw its area */
+ rgz_add_to_damaged_area(params, target_rgz_layer, &rgz->damaged_area);
+ }
+}
+
+/* Adds the background layer in first the position of the passed fb state */
+static void rgz_add_background_layer(rgz_fb_state_t *fb_state)
+{
+ rgz_layer_t *rgz_layer = &fb_state->rgz_layers[0];
+ rgz_layer->hwc_layer = bg_layer;
+ rgz_layer->buffidx = RGZ_BACKGROUND_BUFFIDX;
+ /* Set dummy handle to maintain dirty region state */
+ rgz_layer->hwc_layer.handle = (void*) 0x1;
+}
+
+static int rgz_in_hwccheck(rgz_in_params_t *p, rgz_t *rgz)
+{
+ hwc_layer_1_t *layers = p->data.hwc.layers;
+ hwc_layer_extended_t *extlayers = p->data.hwc.extlayers;
+ 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++) {
+ 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_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+ rgz_add_background_layer(cur_fb_state);
+
+ 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 = &cur_fb_state->rgz_layers[possible_blit+1];
+ rgz_layer->hwc_layer = layers[l];
+ rgz_layer->identity = extlayers[l].identity;
+ 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 = &cur_fb_state->rgz_layers[possible_blit+1];
+ rgz_layer->hwc_layer = layers[l];
+ rgz_layer->identity = extlayers[l].identity;
+ rgz_layer->buffidx = RGZ_CLEARHINT_BUFFIDX;
+ /* Set dummy handle to maintain dirty region state */
+ rgz_layer->hwc_layer.handle = (void*) 0x1;
+ possible_blit++;
+ }
+ }
+ }
+
+ if (!possible_blit || possible_blit != candidates) {
+ return -1;
+ }
+
+ rgz->state |= RGZ_STATE_INIT;
+ cur_fb_state->rgz_layerno = possible_blit + 1; /* Account for background layer */
+
+ /* Get the target and previous frame geometries */
+ rgz_fb_state_t* prev_fb_state = get_prev_fb_state(rgz);
+ rgz_fb_state_t* target_fb_state = get_next_fb_state(rgz);
+
+ /* Modifiy dirty counters and create the damaged region */
+ rgz_handle_dirty_region(rgz, p, prev_fb_state, target_fb_state);
+
+ /* Copy the current geometry to use it in the next frame */
+ memcpy(target_fb_state->rgz_layers, cur_fb_state->rgz_layers, sizeof(rgz_layer_t) * cur_fb_state->rgz_layerno);
+ target_fb_state->rgz_layerno = cur_fb_state->rgz_layerno;
+
+ return RGZ_ALL;
+}
+
+static int rgz_in_hwc(rgz_in_params_t *p, rgz_t *rgz)
+{
+ int i, j;
+ int yentries[RGZ_SUBREGIONMAX];
+ int dispw; /* widest layer */
+ int screen_width = p->data.hwc.dstgeom->width;
+ int screen_height = p->data.hwc.dstgeom->height;
+ rgz_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+
+ if (!(rgz->state & RGZ_STATE_INIT)) {
+ OUTE("rgz_process started with bad state");
+ return -1;
+ }
+
+ /*
+ * Figure out if there is enough space to store the top-bottom coordinates
+ * of each layer including the damaged area
+ */
+ if (((cur_fb_state->rgz_layerno + 1) * 2) > RGZ_SUBREGIONMAX) {
+ OUTE("%s: Not enough space to store top-bottom coordinates of each layer (max %d, needed %d*2)",
+ __func__, RGZ_SUBREGIONMAX, cur_fb_state->rgz_layerno + 1);
+ return -1;
+ }
+
+ /* Delete the previous region data */
+ rgz_delete_region_data(rgz);
+
+ /*
+ * Find the horizontal regions, add damaged area first which is already
+ * inside display boundaries
+ */
+ int ylen = 0;
+ yentries[ylen++] = rgz->damaged_area.top;
+ yentries[ylen++] = rgz->damaged_area.bottom;
+ dispw = rgz->damaged_area.right;
+
+ /* Add the top and bottom coordinates of each layer */
+ for (i = 0; i < cur_fb_state->rgz_layerno; i++) {
+ hwc_layer_1_t *layer = &cur_fb_state->rgz_layers[i].hwc_layer;
+ /* Maintain regions inside display boundaries */
+ yentries[ylen++] = max(0, layer->displayFrame.top);
+ yentries[ylen++] = min(layer->displayFrame.bottom, screen_height);
+ dispw = dispw > layer->displayFrame.right ? dispw : layer->displayFrame.right;
+ }
+ rgz_bsort(yentries, ylen);
+ 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), cur_fb_state->rgz_layerno);
+
+ 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 < cur_fb_state->rgz_layerno; j++) {
+ hwc_layer_1_t *layer = &cur_fb_state->rgz_layers[j].hwc_layer;
+ if (RECT_INTERSECTS(hregions[i].rect, layer->displayFrame)) {
+ int l = hregions[i].nlayers++;
+ hregions[i].rgz_layers[l] = &cur_fb_state->rgz_layers[j];
+ }
+ }
+ }
+
+ /* Calculate blit regions */
+ for (i = 0; i < rgz->nhregions; i++) {
+ rgz_gen_blitregions(rgz, &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;
+ }
+}
+
+static BVFN_MAP bv_map;
+static BVFN_BLT bv_blt;
+static BVFN_UNMAP bv_unmap;
+
+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;
+}
+
+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)
+{
+ 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;
+}
+
+static int rgz_can_blend_together(hwc_layer_1_t* src1_layer, hwc_layer_1_t* src2_layer)
+{
+ /* If any layer is scaled we cannot blend both layers in one blit */
+ if (rgz_hwc_scaled(src1_layer) || rgz_hwc_scaled(src2_layer))
+ return 0;
+
+ /* NV12 buffers don't have alpha information on it */
+ IMG_native_handle_t *src1_hndl = (IMG_native_handle_t *)src1_layer->handle;
+ IMG_native_handle_t *src2_hndl = (IMG_native_handle_t *)src2_layer->handle;
+ if (is_NV12(src1_hndl->iFormat) || is_NV12(src2_hndl->iFormat))
+ return 0;
+
+ return 1;
+}
+
+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,
+ blit_rect_t *damaged_area)
+{
+ 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;
+ blit_rect_t *subregion_rect = &hregion->blitrects[lix][sidx];
+ if (RECT_INTERSECTS(*damaged_area, *subregion_rect)) {
+ /* The subregion intersects the damaged area, draw unconditionally */
+ dirty = 1;
+ } else {
+ int 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]->buffidx == RGZ_BACKGROUND_BUFFIDX) {
+ 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 == RGZ_CLEARHINT_BUFFIDX) {
+ 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 prev_layer_scaled = 0;
+ int prev_layer_nv12 = 0;
+ int first_batchflags = 0;
+ rgz_layer_t *rgz_src1 = hregion->rgz_layers[lix];
+ rgz_layer_t *rgz_src2 = hregion->rgz_layers[s2lix];
+ if (rgz_can_blend_together(&rgz_src1->hwc_layer, &rgz_src2->hwc_layer))
+ e = rgz_hwc_subregion_blend(params, rect, rgz_src1, rgz_src2);
+ else {
+ /* Return index to the first operation and make a copy of the first layer */
+ lix = s2lix;
+ rgz_src1 = hregion->rgz_layers[lix];
+ e = rgz_hwc_subregion_copy(params, rect, rgz_src1);
+ /*
+ * First blit is a copy, the rest will be blends, hence the operation
+ * changed on the second blit.
+ */
+ first_batchflags |= BVBATCH_OP;
+ prev_layer_nv12 = rgz_is_layer_nv12(&rgz_src1->hwc_layer);
+ prev_layer_scaled = rgz_hwc_scaled(&rgz_src1->hwc_layer);
+ }
+
+ /*
+ * Regardless if the first blit is a copy or blend, src2 may have changed
+ * on the second blit
+ */
+ first_batchflags |= BVBATCH_SRC2 | BVBATCH_SRC2RECT_ORIGIN | BVBATCH_SRC2RECT_SIZE;
+
+ rgz_batch_entry(e, BVFLAG_BATCH_BEGIN, 0);
+
+ /* Rest of layers blended with FB */
+ while((lix = get_layer_ops_next(hregion, sidx, lix)) != -1) {
+ int batchflags = first_batchflags;
+ first_batchflags = 0;
+ rgz_src1 = hregion->rgz_layers[lix];
+
+ /* Blend src1 into dst */
+ e = rgz_hwc_subregion_blend(params, rect, rgz_src1, NULL);
+
+ /*
+ * NOTE: After the first blit is configured, consequent blits are
+ * blend operations done with src1 and the destination, that is,
+ * src2 is the same as dst, any batchflag changed for the destination
+ * applies to src2 as well.
+ */
+
+ /* src1 parameters always change on every blit */
+ batchflags |= BVBATCH_SRC1 | BVBATCH_SRC1RECT_ORIGIN| BVBATCH_SRC1RECT_SIZE;
+
+ /*
+ * If the current/previous layer has scaling, destination rectangles
+ * likely changed as well as the scaling mode. Clipping rectangle
+ * remains the same as well as destination geometry.
+ */
+ int cur_layer_scaled = rgz_hwc_scaled(&rgz_src1->hwc_layer);
+ if (cur_layer_scaled || prev_layer_scaled) {
+ batchflags |= BVBATCH_DSTRECT_ORIGIN | BVBATCH_DSTRECT_SIZE |
+ BVBATCH_SRC2RECT_ORIGIN | BVBATCH_SRC2RECT_SIZE |
+ BVBATCH_SCALE;
+ }
+ prev_layer_scaled = cur_layer_scaled;
+
+ /*
+ * If the current/previous layer is NV12, the destination geometry
+ * could have been rotated, hence the destination and clipping
+ * rectangles might have been trasformed to match the rotated
+ * destination geometry.
+ */
+ int cur_layer_nv12 = rgz_is_layer_nv12(&rgz_src1->hwc_layer);
+ if (cur_layer_nv12 || prev_layer_nv12) {
+ batchflags |= BVBATCH_DST | BVBATCH_DSTRECT_ORIGIN | BVBATCH_DSTRECT_SIZE |
+ BVBATCH_SRC2 | BVBATCH_SRC2RECT_ORIGIN | BVBATCH_SRC2RECT_SIZE |
+ BVBATCH_CLIPRECT;
+ }
+ prev_layer_nv12 = cur_layer_nv12;
+
+ 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, &rgz->damaged_area))
+ return -1;
+ }
+ }
+
+ int rv = 0;
+
+ if (IS_BVCMD(params)) {
+ int j;
+ params->data.bvc.out_nhndls = 0;
+ rgz_fb_state_t *cur_fb_state = &rgz->cur_fb_state;
+ /* Begin from index 1 to remove the background layer from the output */
+ for (j = 1, i = 0; j < cur_fb_state->rgz_layerno; j++) {
+ rgz_layer_t *rgz_layer = &cur_fb_state->rgz_layers[j];
+ /* We don't need the handles for layers marked as -1 */
+ if (rgz_layer->buffidx == -1)
+ continue;
+ params->data.bvc.out_hndls[i++] = rgz_layer->hwc_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;
+
+ 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);
+ 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);
+ 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;
+ }
+}
+