android/android_hardware_qcom_display
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Merge "libgralloc-qsd8k: Align the framebuffer only for GPU or C2D composition" into gingerbread

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Linux Build Service Account 2011-05-06 15:50:45 -07:00 committed by QuIC Gerrit Code Review
commit b5e74e64d1
1 changed files with 20 additions and 9 deletions
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29
framebuffer.cpp
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@ -655,7 +655,7 @@ int mapFrameBufferLocked(struct private_module_t* module)
* stream and is written to video memory as that unmodified. This implies
* big-endian byte order if bits_per_pixel is greater than 8.
*/
bool pageAlignmentRequired = true;
if(info.bits_per_pixel == 32) {
/*
* Explicitly request RGBA_8888
@ -673,11 +673,14 @@ int mapFrameBufferLocked(struct private_module_t* module)
/* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we do
* not use the MDP for composition (i.e. hw composition == 0), ask for
* RGBA instead of RGBX. */
if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0)
if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0) {
module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888;
else if(property_get("debug.composition.type", property, NULL) > 0 && (strncmp(property, "mdp", 3) == 0))
pageAlignmentRequired = false;
} else if(property_get("debug.composition.type", property, NULL) > 0 &&
(strncmp(property, "mdp", 3) == 0)) {
module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888;
else
pageAlignmentRequired = false;
} else
module->fbFormat = HAL_PIXEL_FORMAT_RGBA_8888;
} else {
/*
@ -693,14 +696,22 @@ int mapFrameBufferLocked(struct private_module_t* module)
info.transp.offset = 0;
info.transp.length = 0;
module->fbFormat = HAL_PIXEL_FORMAT_RGB_565;
if ((property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0) ||
(property_get("debug.composition.type", property, NULL) > 0 &&
(strncmp(property, "mdp", 3) == 0))) {
pageAlignmentRequired = false;
}
}
if (pageAlignmentRequired) {
// Calculate the FbSize to map.
int y = -1;
do {
y++;
} while (((finfo.line_length * (info.yres + y)) % 4096) != 0);
module->yres_delta = y;
int y = -1;
do {
y++;
} while (((finfo.line_length * (info.yres + y)) % 4096) != 0);
module->yres_delta = y;
} else
module->yres_delta = 0;
/*
* Request NUM_BUFFERS screens (at lest 2 for page flipping)