diff options
Diffstat (limited to 'src/mesa/drivers/dri/savage/savagestate.c')
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagestate.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c index c3df5f4f87..c772a24844 100644 --- a/src/mesa/drivers/dri/savage/savagestate.c +++ b/src/mesa/drivers/dri/savage/savagestate.c @@ -1461,6 +1461,13 @@ static void savageUpdateRegister_s4(savageContextPtr imesa) } static void savageUpdateRegister_s3d(savageContextPtr imesa) { + /* In case the texture image was changed without changing the + * texture address as well, we need to force emitting the texture + * address in order to flush texture cashes. */ + if ((imesa->dirty & SAVAGE_UPLOAD_TEX0) && + imesa->oldRegs.s3d.texAddr.ui == imesa->regs.s3d.texAddr.ui) + imesa->oldRegs.s3d.texAddr.ui = 0xffffffff; + /* Some temporary hacks to workaround lockups. Not sure if they are * still needed. But they work for now. */ imesa->regs.s3d.drawCtrl.ni.flushPdDestWrites = GL_TRUE; @@ -1626,12 +1633,15 @@ static void savageDDInitState_s3d( savageContextPtr imesa ) imesa->regs.s3d.destTexWatermarks.ui = 0x4f000000; #endif - /* clrCmpAlphaBlendCtrl is needed to get alphatest and - * alpha blending working properly - */ - imesa->regs.s3d.texCtrl.ni.dBias = 0x08; imesa->regs.s3d.texCtrl.ni.texXprEn = GL_TRUE; + /* texXprEn is needed to get alphatest and alpha blending working + * properly. However, this makes texels with color texXprClr + * completely transparent in some texture environment modes. I + * couldn't find a way to disable this. So choose an arbitrary and + * improbable color. (0 is a bad choice, makes all black texels + * transparent.) */ + imesa->regs.s3d.texXprClr.ui = 0x26ae26ae; /* programm a valid tex address, in case texture state is emitted * in wrong order. */ if (imesa->lastTexHeap == 2 && imesa->savageScreen->textureSize[1]) { |