diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-09-10 12:01:19 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-09-10 12:01:19 -0400 |
| commit | 7dfe54a60e63fa6ac1846ca8ac125d19e2734cd1 (patch) | |
| tree | ebe086fb103bbedd7c30f1fa7ee76667e55008b1 /src/mesa/drivers/dri/r300/r300_state.c | |
| parent | f89751e71928770472d61e3b7069a5d0e2125f0e (diff) | |
r300: add full support for two sided stencil on r5xx for dri2
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index d4c3ecee66..3060f49aaf 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -590,7 +590,9 @@ static void r300SetDepthState(GLcontext * ctx) r300ContextPtr r300 = R300_CONTEXT(ctx); R300_STATECHANGE(r300, zs); - r300->hw.zs.cmd[R300_ZS_CNTL_0] &= R300_STENCIL_ENABLE|R300_STENCIL_FRONT_BACK; + r300->hw.zs.cmd[R300_ZS_CNTL_0] &= (R300_STENCIL_ENABLE | + R300_STENCIL_FRONT_BACK | + R500_STENCIL_REFMASK_FRONT_BACK); r300->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(R300_ZS_MASK << R300_Z_FUNC_SHIFT); if (ctx->Depth.Test) { @@ -604,11 +606,16 @@ static void r300SetDepthState(GLcontext * ctx) static void r300CatchStencilFallback(GLcontext *ctx) { + r300ContextPtr rmesa = R300_CONTEXT(ctx); const unsigned back = ctx->Stencil._BackFace; - if (ctx->Stencil._Enabled && (ctx->Stencil.Ref[0] != ctx->Stencil.Ref[back] - || ctx->Stencil.ValueMask[0] != ctx->Stencil.ValueMask[back] - || ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[back])) { + if (rmesa->radeon.radeonScreen->kernel_mm && + (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515)) { + r300SwitchFallback(ctx, R300_FALLBACK_STENCIL_TWOSIDE, GL_FALSE); + } else if (ctx->Stencil._Enabled && + (ctx->Stencil.Ref[0] != ctx->Stencil.Ref[back] + || ctx->Stencil.ValueMask[0] != ctx->Stencil.ValueMask[back] + || ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[back])) { r300SwitchFallback(ctx, R300_FALLBACK_STENCIL_TWOSIDE, GL_TRUE); } else { r300SwitchFallback(ctx, R300_FALLBACK_STENCIL_TWOSIDE, GL_FALSE); @@ -915,11 +922,24 @@ static void r300StencilFuncSeparate(GLcontext * ctx, GLenum face, rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (flag << R300_S_BACK_FUNC_SHIFT); rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask; + + if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) { + rmesa->hw.zs.cmd[R300_ZS_CNTL_0] |= R500_STENCIL_REFMASK_FRONT_BACK; + R300_STATECHANGE(rmesa, zsb); + refmask = ((ctx->Stencil.Ref[back] & 0xff) << R300_STENCILREF_SHIFT) + | ((ctx->Stencil.ValueMask[back] & 0xff) << R300_STENCILMASK_SHIFT); + + rmesa->hw.zsb.cmd[R300_ZSB_CNTL_0] &= + ~((R300_STENCILREF_MASK << R300_STENCILREF_SHIFT) | + (R300_STENCILREF_MASK << R300_STENCILMASK_SHIFT)); + rmesa->hw.zsb.cmd[R300_ZSB_CNTL_0] |= refmask; + } } static void r300StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask) { r300ContextPtr rmesa = R300_CONTEXT(ctx); + const unsigned back = ctx->Stencil._BackFace; r300CatchStencilFallback(ctx); @@ -931,6 +951,13 @@ static void r300StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask) (ctx->Stencil. WriteMask[0] & R300_STENCILREF_MASK) << R300_STENCILWRITEMASK_SHIFT; + if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) { + R300_STATECHANGE(rmesa, zsb); + rmesa->hw.zsb.cmd[R300_ZSB_CNTL_0] |= + (ctx->Stencil. + WriteMask[back] & R300_STENCILREF_MASK) << + R300_STENCILWRITEMASK_SHIFT; + } } static void r300StencilOpSeparate(GLcontext * ctx, GLenum face, |