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Redesign of NXTEXT font cache

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3761 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-07-09 16:01:00 +00:00
parent 321b9c7343
commit 64fe463b9d
4 changed files with 9 additions and 4 deletions
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4
ChangeLog
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@ -1883,3 +1883,7 @@
example. This example focuses on placing text on the background while
pop-up windows occur. Text should continue to update normally with or without
the popup windows present.
* arch/arm/src/common/up_checkstack.c: ARM stack overflow checking submitted
by Hal Glenn.
* arch/arm/src/lpc17xx: Changes to compile successfully with no serial console
(also submitted by Hal Glenn).

1
TODO
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@ -1297,6 +1297,7 @@ o Other Applications & Tests (apps/examples/)
it stops rendering. This is not a problem for the examples/nx
code because it uses so few fonts, but if the logic were
leveraged for more general purposes, it would be a problem.
Update: see examples/nxtext for some improved font cache handling.
Status: Open
Priority: Low. This is not really a problem becauses examples/nx works
fine with its bogus font caching.

2
arch/arm/src/common/up_checkstack.c
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@ -104,7 +104,7 @@ size_t up_check_tcbstack(FAR _TCB *tcb)
*/
#if 0
if (mark + 16 > tcb->adj_stack_size)
if (mark + 16 > tcb->adj_stack_size/4)
{
int i, j;

6
configs/stm3210e-eval/nxtext/defconfig
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@ -967,8 +967,8 @@ CONFIG_EXAMPLES_NX_EXTERNINIT=n
# for, for example, SPI LCD/OLED devices.
# CONFIG_EXAMPLES_NXTEXT_BMCACHE - The maximum number of characters that
# can be put in the background window. Default is 128.
# CONFIG_EXAMPLES_NXTEXT_GLCACHE - The maximum nuber of pre-rendered
# fonts that can be retained for the background window.
# CONFIG_EXAMPLES_NXTEXT_GLCACHE - The maximum number of pre-rendered
# fonts that can be retained for the background window. Default is 16.
# CONFIG_EXAMPLES_NXTEXT_STACKSIZE -- The stacksize to use when creating
# the NX server. Default 2048
# CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO -- The client priority. Default: 100
@ -987,7 +987,7 @@ CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR=0x001f
CONFIG_EXAMPLES_NXTEXT_BPP=16
CONFIG_EXAMPLES_NXTEXT_EXTERNINIT=n
CONFIG_EXAMPLES_NXTEXT_BMCACHE=512
CONFIG_EXAMPLES_NXTEXT_GLCACHE=128
CONFIG_EXAMPLES_NXTEXT_GLCACHE=16
CONFIG_EXAMPLES_NXTEXT_STACKSIZE=2048
CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO=80
CONFIG_EXAMPLES_NXTEXT_SERVERPRIO=120