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libcopybit: Add support for setting the Framebuffer info.

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Add support to set the framebuffer width and height in the copybit
context. This parameter will be set for composition using c2d where
the c2d target is calculated based on the framebuffer width and height.

Change-Id: Ica0f7622bed305c0f56dd0a16b35406c28600fd8
This commit is contained in:
Naomi Luis 2011-12-06 12:58:20 -08:00
parent 2197d5d924
commit 90f0fc7201
2 changed files with 27 additions and 36 deletions
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6
libcopybit/copybit.h
View File

@ -65,7 +65,11 @@ enum {
COPYBIT_BLUR = 5,
/* Informs the copybit that the source and destination contains
premultiplied alpha */
COPYBIT_PREMULTIPLIED_ALPHA = 6
COPYBIT_PREMULTIPLIED_ALPHA = 6,
/* FB width */
COPYBIT_FRAMEBUFFER_WIDTH = 7,
/* FB height */
COPYBIT_FRAMEBUFFER_HEIGHT = 8,
};
/* values for copybit_set_parameter(COPYBIT_TRANSFORM) */

57
libcopybit/copybit_c2d.cpp
View File

@ -642,22 +642,26 @@ static void set_rects(struct copybit_context_t *ctx,
const struct copybit_rect_t *src,
const struct copybit_rect_t *scissor)
{
// Set the target rect.
if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
(ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
/* target rotation is 270 */
c2dObject->target_rect.x = (dst->t)<<16;
c2dObject->target_rect.y = (ALIGN(ctx->fb_width,32) - (dst->r))<<16;
c2dObject->target_rect.y = ctx->fb_width?(ALIGN(ctx->fb_width,32)- dst->r):dst->r;
c2dObject->target_rect.y = c2dObject->target_rect.y<<16;
c2dObject->target_rect.height = ((dst->r) - (dst->l))<<16;
c2dObject->target_rect.width = ((dst->b) - (dst->t))<<16;
} else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) {
c2dObject->target_rect.x = (ctx->fb_height - dst->b)<<16;
c2dObject->target_rect.x = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
c2dObject->target_rect.x = c2dObject->target_rect.x<<16;
c2dObject->target_rect.y = (dst->l)<<16;
c2dObject->target_rect.height = ((dst->r) - (dst->l))<<16;
c2dObject->target_rect.width = ((dst->b) - (dst->t))<<16;
} else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
c2dObject->target_rect.y = (ctx->fb_height - dst->b)<<16;
c2dObject->target_rect.x = (ALIGN(ctx->fb_width,32) - dst->r)<<16;
c2dObject->target_rect.y = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
c2dObject->target_rect.y = c2dObject->target_rect.y<<16;
c2dObject->target_rect.x = ctx->fb_width?(ALIGN(ctx->fb_width,32) - dst->r):dst->r;
c2dObject->target_rect.x = c2dObject->target_rect.x<<16;
c2dObject->target_rect.height = ((dst->b) - (dst->t))<<16;
c2dObject->target_rect.width = ((dst->r) - (dst->l))<<16;
} else {
@ -668,17 +672,18 @@ static void set_rects(struct copybit_context_t *ctx,
}
c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
// Set the source rect
c2dObject->source_rect.x = (src->l)<<16;
c2dObject->source_rect.y = (src->t)<<16;
c2dObject->source_rect.height = ((src->b) - (src->t))<<16;
c2dObject->source_rect.width = ((src->r) - (src->l))<<16;
c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
// Set the scissor rect
c2dObject->scissor_rect.x = scissor->l;
c2dObject->scissor_rect.y = scissor->t;
c2dObject->scissor_rect.height = (scissor->b) - (scissor->t);
c2dObject->scissor_rect.width = (scissor->r) - (scissor->l);
c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
}
@ -761,6 +766,12 @@ static int set_parameter_copybit(
(value == COPYBIT_ENABLE) ? ctx->isPremultipliedAlpha = true :
ctx->isPremultipliedAlpha = false;
break;
case COPYBIT_FRAMEBUFFER_WIDTH:
ctx->fb_width = value;
break;
case COPYBIT_FRAMEBUFFER_HEIGHT:
ctx->fb_height = value;
break;
default:
LOGE("%s: default case", __func__);
return -EINVAL;
@ -969,6 +980,8 @@ static int stretch_copybit_internal(
unset_image(ctx->g12_device_fd, ctx->src[src_surface_index], src, src_mapped);
unset_image(ctx->g12_device_fd, ctx->dst[dst_surface_index], dst, trg_mapped);
ctx->isPremultipliedAlpha = false;
ctx->fb_width = 0;
ctx->fb_height = 0;
return status;
}
@ -1028,13 +1041,6 @@ static int open_copybit(const struct hw_module_t* module, const char* name,
C2D_RGB_SURFACE_DEF surfDefinition = {0};
C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
struct copybit_context_t *ctx;
char const * const device_template[] = {
"/dev/graphics/fb%u",
"/dev/fb%u",
0 };
int fd = -1;
int i=0;
char fbName[64];
ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
@ -1167,32 +1173,13 @@ static int open_copybit(const struct hw_module_t* module, const char* name,
goto error;
}
*device = &ctx->device.common;
while ((fd==-1) && device_template[i]) {
snprintf(fbName, 64, device_template[i], 0);
fd = open(fbName, O_RDWR, 0);
i++;
}
if (fd < 0)
goto error;
struct fb_var_screeninfo info;
if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1)
goto error;
ctx->fb_width = info.xres;
ctx->fb_height = info.yres;
close(fd);
ctx->fb_width = 0;
ctx->fb_height = 0;
ctx->isPremultipliedAlpha = false;
*device = &ctx->device.common;
return status;
error:
if (fd >= 0) {
close(fd);
fd = -1;
}
for (int i = 0; i<NUM_SURFACES; i++) {
if (-1 != (ctx->src[i])) {
LINK_c2dDestroySurface(ctx->src[i]);