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copybit_c2d: Set the C2D_FORMAT_PREMULTIPLIED format for premultiplied surfaces

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Set the premultiplied format for the source and destination formats if
COPYBIT_PREMULTIPLIED_ALPHA has been enabled

Change-Id: I89113a1f1160b921d8e49b5dd6fc01001307648f
CRs-fixed: 279449
This commit is contained in:
Naomi Luis
2011-04-01 12:26:58 -07:00
committed by Govind Surti
parent c99d13825e
commit 95c239e6be
1 changed files with 12 additions and 5 deletions
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17
libcopybit/copybit_c2d.cpp
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@@ -103,6 +103,7 @@ struct copybit_context_t {
int g12_device_fd;
int fb_width;
int fb_height;
bool isPremultipliedAlpha;
};
struct blitlist{
@@ -293,7 +294,8 @@ static int calculate_yuv_offset_and_stride(int format, int width, int height, in
}
/** create C2D surface from copybit image */
static int set_image(int device_fd, uint32 surfaceId, const struct copybit_image_t *rhs, int *cformat, uint32_t *mapped)
static int set_image(int device_fd, uint32 surfaceId, const struct copybit_image_t *rhs, int *cformat, uint32_t *mapped,
const bool isPremultipliedAlpha)
{
struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
C2D_SURFACE_TYPE surfaceType;
@@ -323,7 +325,7 @@ static int set_image(int device_fd, uint32 surfaceId, const struct copybit_image
surfaceDef.phys = (void*) handle->gpuaddr;
surfaceDef.buffer = (void*) (handle->base);
surfaceDef.format = *cformat;
surfaceDef.format = *cformat | (isPremultipliedAlpha ? C2D_FORMAT_PREMULTIPLIED : 0);
surfaceDef.width = rhs->w;
surfaceDef.height = rhs->h;
surfaceDef.stride = ALIGN(((surfaceDef.width * c2diGetBpp(surfaceDef.format))>>3), 32);
@@ -648,6 +650,10 @@ static int set_parameter_copybit(
ctx->trg_transform = C2D_TARGET_ROTATE_270;
}
break;
case COPYBIT_PREMULTIPLIED_ALPHA:
(value == COPYBIT_ENABLE) ? ctx->isPremultipliedAlpha = true :
ctx->isPremultipliedAlpha = false;
break;
default:
LOGE("%s: default case", __func__);
return -EINVAL;
@@ -750,7 +756,7 @@ static int stretch_copybit_internal(
struct copybit_rect_t clip;
list.count = 0;
status = set_image(ctx->g12_device_fd, ctx->dst, dst, &cformat, &trg_mapped);
status = set_image(ctx->g12_device_fd, ctx->dst, dst, &cformat, &trg_mapped, ctx->isPremultipliedAlpha);
if(status) {
LOGE("%s: set_image error", __func__);
return COPYBIT_FAILURE;
@@ -765,7 +771,7 @@ static int stretch_copybit_internal(
return -EINVAL;
}
status = set_image(ctx->g12_device_fd, ctx->src[surface_index], src, &cformat, &src_mapped);
status = set_image(ctx->g12_device_fd, ctx->src[surface_index], src, &cformat, &src_mapped, ctx->isPremultipliedAlpha);
if(status) {
LOGE("%s: set_src_image error", __func__);
return COPYBIT_FAILURE;
@@ -814,7 +820,7 @@ static int stretch_copybit_internal(
unset_image(ctx->g12_device_fd, ctx->src[surface_index], src, src_mapped);
unset_image(ctx->g12_device_fd, ctx->dst, dst, trg_mapped);
ctx->isPremultipliedAlpha = false;
return status;
}
@@ -1004,6 +1010,7 @@ static int open_copybit(const struct hw_module_t* module, const char* name,
ctx->fb_width = info.xres;
ctx->fb_height = info.yres;
close(fd);
ctx->isPremultipliedAlpha = false;
return status;
error5: