From: Alex Deucher Date: Thu, 10 Sep 2009 16:01:19 +0000 (-0400) Subject: r300: add full support for two sided stencil on r5xx for dri2 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7dfe54a60e63fa6ac1846ca8ac125d19e2734cd1;p=mesa.git r300: add full support for two sided stencil on r5xx for dri2 --- diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c index 0fe32a5443a..dd1a0fe8132 100644 --- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c +++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c @@ -697,6 +697,14 @@ void r300InitCmdBuf(r300ContextPtr r300) ALLOC_STATE(zs, always, R300_ZS_CMDSIZE, 0); r300->hw.zs.cmd[R300_ZS_CMD_0] = cmdpacket0(r300->radeon.radeonScreen, R300_ZB_CNTL, 3); + if (is_r500) { + if (r300->radeon.radeonScreen->kernel_mm) + ALLOC_STATE(zsb, always, R300_ZSB_CMDSIZE, 0); + else + ALLOC_STATE(zsb, never, R300_ZSB_CMDSIZE, 0); + r300->hw.zsb.cmd[R300_ZSB_CMD_0] = + cmdpacket0(r300->radeon.radeonScreen, R500_ZB_STENCILREFMASK_BF, 1); + } ALLOC_STATE(zstencil_format, always, 5, 0); r300->hw.zstencil_format.cmd[0] = diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 1dadcc0a697..518d5cdbf4f 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -234,6 +234,10 @@ typedef struct r300_context *r300ContextPtr; #define R300_ZS_CNTL_2 3 #define R300_ZS_CMDSIZE 4 +#define R300_ZSB_CMD_0 0 +#define R300_ZSB_CNTL_0 1 +#define R300_ZSB_CMDSIZE 2 + #define R300_ZB_CMD_0 0 #define R300_ZB_OFFSET 1 #define R300_ZB_PITCH 2 @@ -343,6 +347,7 @@ struct r300_hw_state { struct radeon_state_atom rb3d_aaresolve_ctl; /* (4E88) */ struct radeon_state_atom rb3d_discard_src_pixel_lte_threshold; /* (4E88) I saw it only written on RV350 hardware.. */ struct radeon_state_atom zs; /* zstencil control (4F00) */ + struct radeon_state_atom zsb; /* zstencil bf */ struct radeon_state_atom zstencil_format; struct radeon_state_atom zb; /* z buffer (4F20) */ struct radeon_state_atom zb_depthclearvalue; /* (4F28) */ diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h index 98512d778e3..b9ccd098dc8 100644 --- a/src/mesa/drivers/dri/r300/r300_reg.h +++ b/src/mesa/drivers/dri/r300/r300_reg.h @@ -2313,6 +2313,8 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. # define R300_Z_WRITE_ENABLE (1 << 2) # define R300_Z_SIGNED_COMPARE (1 << 3) # define R300_STENCIL_FRONT_BACK (1 << 4) +# define R400_ZSIGNED_MAGNITUDE (1 << 5) +# define R500_STENCIL_REFMASK_FRONT_BACK (1 << 6) #define R300_ZB_ZSTENCILCNTL 0x4f04 /* functions */ diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index d4c3ecee669..3060f49aaf8 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,