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authorIan Romanick <idr@us.ibm.com>2005-08-13 01:43:28 +0000
committerIan Romanick <idr@us.ibm.com>2005-08-13 01:43:28 +0000
commit33f9c98aa6643abe587f71976db51d4138ccc2b9 (patch)
tree11b4a76e561ac76314c235fb9eca078f354bca40 /src
parent6fe7a0dc01887e39f028d8d400b98d199744c18f (diff)
Enable support for EXT_stencil_wrap. The code was already there, but the
extension wasn't enabled. I have verified its correct function with Mesa's stencil_wrap test. It is enabled on both Savage4 and Savage3D. Since Savage3D uses a software fallback for *all* stencil operations, this is safe.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/savage/savage_bci.h44
-rw-r--r--src/mesa/drivers/dri/savage/savage_xmesa.c1
-rw-r--r--src/mesa/drivers/dri/savage/savagestate.c117
3 files changed, 37 insertions, 125 deletions
diff --git a/src/mesa/drivers/dri/savage/savage_bci.h b/src/mesa/drivers/dri/savage/savage_bci.h
index 591235c4bd..33cfac32c7 100644
--- a/src/mesa/drivers/dri/savage/savage_bci.h
+++ b/src/mesa/drivers/dri/savage/savage_bci.h
@@ -431,43 +431,17 @@ typedef enum
* stencil control
*/
-typedef ZCmpFunc SCmpFunc;
-
-typedef enum
-{
- STC_FAIL_Keep,
- STC_FAIL_Zero,
- STC_FAIL_Equal,
- STC_FAIL_IncClamp,
- STC_FAIL_DecClamp,
- STC_FAIL_Invert,
- STC_FAIL_Inc,
- STC_FAIL_Dec
-} StencilFailOp;
-
-typedef enum
-{
- STC_ZPASS_Keep,
- STC_ZPASS_Zero,
- STC_ZPASS_Equal,
- STC_ZPASS_IncClamp,
- STC_ZPASS_DecClamp,
- STC_ZPASS_Invert,
- STC_ZPASS_Inc,
- STC_ZPASS_Dec
-} StencilZPassOp;
-
typedef enum
{
- STC_ZFAIL_Keep,
- STC_ZFAIL_Zero,
- STC_ZFAIL_Equal,
- STC_ZFAIL_IncClamp,
- STC_ZFAIL_DecClamp,
- STC_ZFAIL_Invert,
- STC_ZFAIL_Inc,
- STC_ZFAIL_Dec
-} StencilZFailOp;
+ STENCIL_Keep,
+ STENCIL_Zero,
+ STENCIL_Equal,
+ STENCIL_IncClamp,
+ STENCIL_DecClamp,
+ STENCIL_Invert,
+ STENCIL_Inc,
+ STENCIL_Dec
+} StencilOp;
/***************************************************************
*** Bitfield Structures for Programming Interface **************
diff --git a/src/mesa/drivers/dri/savage/savage_xmesa.c b/src/mesa/drivers/dri/savage/savage_xmesa.c
index fa20d10edb..d57b2c52d4 100644
--- a/src/mesa/drivers/dri/savage/savage_xmesa.c
+++ b/src/mesa/drivers/dri/savage/savage_xmesa.c
@@ -133,6 +133,7 @@ static const struct dri_extension card_extensions[] =
{ "GL_ARB_multisample", GL_ARB_multisample_functions },
{ "GL_ARB_multitexture", NULL },
{ "GL_ARB_texture_compression", GL_ARB_texture_compression_functions },
+ { "GL_EXT_stencil_wrap", NULL },
{ "GL_EXT_texture_lod_bias", NULL },
{ NULL, NULL }
};
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c
index 567b979733..996d5b9171 100644
--- a/src/mesa/drivers/dri/savage/savagestate.c
+++ b/src/mesa/drivers/dri/savage/savagestate.c
@@ -1001,9 +1001,9 @@ static void savageDDStencilFunc(GLcontext *ctx, GLenum func, GLint ref,
GLuint mask)
{
savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
- SCmpFunc a=0;
- u_int32_t zBufCtrl = imesa->regs.s4.zBufCtrl.ui;
- u_int32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui;
+ unsigned a=0;
+ const u_int32_t zBufCtrl = imesa->regs.s4.zBufCtrl.ui;
+ const u_int32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui;
imesa->regs.s4.zBufCtrl.ni.stencilRefVal = ctx->Stencil.Ref[0];
imesa->regs.s4.stencilCtrl.ni.readMask = ctx->Stencil.ValueMask[0];
@@ -1039,96 +1039,33 @@ static void savageDDStencilMask(GLcontext *ctx, GLuint mask)
}
}
-static void savageDDStencilOp(GLcontext *ctx, GLenum fail, GLenum zfail,
- GLenum zpass)
+static unsigned get_stencil_op_value( GLenum op )
{
- savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
- u_int32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui;
-
- switch (ctx->Stencil.FailFunc[0])
+ switch (op)
{
- case GL_KEEP:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Keep;
- break;
- case GL_ZERO:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Zero;
- break;
- case GL_REPLACE:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Equal;
- break;
- case GL_INCR:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_IncClamp;
- break;
- case GL_DECR:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_DecClamp;
- break;
- case GL_INVERT:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Invert;
- break;
- case GL_INCR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Inc;
- break;
- case GL_DECR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Dec;
- break;
+ case GL_KEEP: return STENCIL_Keep;
+ case GL_ZERO: return STENCIL_Zero;
+ case GL_REPLACE: return STENCIL_Equal;
+ case GL_INCR: return STENCIL_IncClamp;
+ case GL_DECR: return STENCIL_DecClamp;
+ case GL_INVERT: return STENCIL_Invert;
+ case GL_INCR_WRAP: return STENCIL_Inc;
+ case GL_DECR_WRAP: return STENCIL_Dec;
}
+ /* Should *never* get here. */
+ return STENCIL_Keep;
+}
- switch (ctx->Stencil.ZFailFunc[0])
- {
- case GL_KEEP:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Keep;
- break;
- case GL_ZERO:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Zero;
- break;
- case GL_REPLACE:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Equal;
- break;
- case GL_INCR:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_IncClamp;
- break;
- case GL_DECR:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_DecClamp;
- break;
- case GL_INVERT:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Invert;
- break;
- case GL_INCR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Inc;
- break;
- case GL_DECR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Dec;
- break;
- }
+static void savageDDStencilOp(GLcontext *ctx, GLenum fail, GLenum zfail,
+ GLenum zpass)
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ const u_int32_t stencilCtrl = imesa->regs.s4.stencilCtrl.ui;
- switch (ctx->Stencil.ZPassFunc[0])
- {
- case GL_KEEP:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Keep;
- break;
- case GL_ZERO:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Zero;
- break;
- case GL_REPLACE:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Equal;
- break;
- case GL_INCR:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_IncClamp;
- break;
- case GL_DECR:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_DecClamp;
- break;
- case GL_INVERT:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Invert;
- break;
- case GL_INCR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Inc;
- break;
- case GL_DECR_WRAP_EXT:
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Dec;
- break;
- }
+ imesa->regs.s4.stencilCtrl.ni.failOp = get_stencil_op_value( ctx->Stencil.FailFunc[0] );
+ imesa->regs.s4.stencilCtrl.ni.passZfailOp = get_stencil_op_value( ctx->Stencil.ZFailFunc[0] );
+ imesa->regs.s4.stencilCtrl.ni.passZpassOp = get_stencil_op_value( ctx->Stencil.ZPassFunc[0] );
if (stencilCtrl != imesa->regs.s4.stencilCtrl.ui)
imesa->dirty |= SAVAGE_UPLOAD_GLOBAL;
@@ -1586,9 +1523,9 @@ static void savageDDInitState_s4( savageContextPtr imesa )
imesa->regs.s4.stencilCtrl.ni.stencilEn = GL_FALSE;
imesa->regs.s4.stencilCtrl.ni.cmpFunc = CF_Always;
- imesa->regs.s4.stencilCtrl.ni.failOp = STC_FAIL_Keep;
- imesa->regs.s4.stencilCtrl.ni.passZfailOp = STC_FAIL_Keep;
- imesa->regs.s4.stencilCtrl.ni.passZpassOp = STC_FAIL_Keep;
+ imesa->regs.s4.stencilCtrl.ni.failOp = STENCIL_Keep;
+ imesa->regs.s4.stencilCtrl.ni.passZfailOp = STENCIL_Keep;
+ imesa->regs.s4.stencilCtrl.ni.passZpassOp = STENCIL_Keep;
imesa->regs.s4.stencilCtrl.ni.writeMask = 0xff;
imesa->regs.s4.stencilCtrl.ni.readMask = 0xff;