http://bugs.freedesktop.org/show_bug.cgi?id=12385
Summary: i915tex work with beryl only at 16bpp (i854G)
Product: Mesa
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
Today I've tried new SetTexOffset hook. (X server 1.4 + self-compiled
xf86-video-intel from Aug, 16 2007 + self-compiled mesa from 4 Sept 2007).
Linux kernel 2.6.21.7
Drm from git, up to commit 06bb07259531d10df2c1979919af899e3812057b
My hardware is:
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE
Chipset Integrated Graphics Device (rev 01) (prog-if 00 [VGA])
Subsystem: Micro-Star International Co., Ltd. Unknown device 5808
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at d0000000 (32-bit, prefetchable) [size=128M]
Memory at dff80000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 1
beryl - 0.2.1 It works fine with 16 bpp screen depth. But display nothing in 24
bpp mode. And i forced to reboot my machine via ACPI poweroff.
Probably this is related to this comment, found in i830_render.c
I830FALLBACK("830/845G don't support a8, x8r8g8b8, x8b8g8r8\n");
(in src/mesa/drivers/dri/i915tex/i830_texstate.c I can see lines like this:
if (intelObj->imageOverride) {
i830->state.tex_buffer[unit] = NULL;
i830->state.tex_offset[unit] = intelObj->textureOffset;
switch (intelObj->depthOverride) {
case 32:
format = MAPSURF_32BIT | MT_32BIT_ARGB8888;
break;
case 24:
default:
format = MAPSURF_32BIT | MT_32BIT_XRGB8888;
break;
case 16:
format = MAPSURF_16BIT | MT_16BIT_RGB565;
break;
}
)
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