diff options
Diffstat (limited to 'src/mesa/drivers/dri/savage')
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagedd.c | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagestate.c | 61 |
2 files changed, 22 insertions, 41 deletions
diff --git a/src/mesa/drivers/dri/savage/savagedd.c b/src/mesa/drivers/dri/savage/savagedd.c index b1fb3955de..6bc9d3df8f 100644 --- a/src/mesa/drivers/dri/savage/savagedd.c +++ b/src/mesa/drivers/dri/savage/savagedd.c @@ -41,7 +41,7 @@ #include "utils.h" -#define DRIVER_DATE "20050305" +#define DRIVER_DATE "20050424" /*************************************** * Mesa's Driver Functions diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c index c772a24844..1a6a7f4579 100644 --- a/src/mesa/drivers/dri/savage/savagestate.c +++ b/src/mesa/drivers/dri/savage/savagestate.c @@ -845,64 +845,45 @@ static void savageUpdateCull( GLcontext *ctx ) * Color masks */ -/* Mesa calls this from the wrong place - it is called a very large - * number of redundant times. - * - * Colormask can be simulated by multipass or multitexture techniques. +/* Savage4 can disable draw updates when all channels are + * masked. Savage3D has a bit called drawUpdateEn, but it doesn't seem + * to have any effect. If only some channels are masked we need a + * software fallback on all chips. */ static void savageDDColorMask_s4(GLcontext *ctx, GLboolean r, GLboolean g, GLboolean b, GLboolean a ) { savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - GLuint enable; + GLboolean passAny, passAll; - if (ctx->Visual.alphaBits) - { - enable = b | g | r | a; - } - else - { - enable = b | g | r; + if (ctx->Visual.alphaBits) { + passAny = b || g || r || a; + passAll = r && g && b && a; + } else { + passAny = b || g || r; + passAll = r && g && b; } - if (enable) - { - imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_TRUE; - } - else - { + if (passAny) { + if (!imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn) { + imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_TRUE; + imesa->dirty |= SAVAGE_UPLOAD_LOCAL; + } + FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !passAll); + } else if (imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn) { imesa->regs.s4.drawLocalCtrl.ni.drawUpdateEn = GL_FALSE; + imesa->dirty |= SAVAGE_UPLOAD_LOCAL; } - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - /* TODO: need a software fallback */ } static void savageDDColorMask_s3d(GLcontext *ctx, GLboolean r, GLboolean g, GLboolean b, GLboolean a ) { - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - GLuint enable; - if (ctx->Visual.alphaBits) - { - enable = b | g | r | a; - } + FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !(r && g && b && a)); else - { - enable = b | g | r; - } - - if (enable) - { - imesa->regs.s3d.zBufCtrl.ni.drawUpdateEn = GL_TRUE; - } - else - { - imesa->regs.s3d.zBufCtrl.ni.drawUpdateEn = GL_FALSE; - } - imesa->dirty |= SAVAGE_UPLOAD_LOCAL; - /* TODO: need a software fallback */ + FALLBACK (ctx, SAVAGE_FALLBACK_COLORMASK, !(r && g && b)); } /* Seperate specular not fully implemented in hardware... Needs |