diff options
author | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-05 00:32:15 +0000 |
---|---|---|
committer | Alan Hourihane <alanh@tungstengraphics.com> | 2003-12-05 00:32:15 +0000 |
commit | eed5ac284cb4edca5400d55040e83fdf2f329f84 (patch) | |
tree | addcbdefa6d8fae9635ee830d9d4cd97d096c110 /src/mesa/drivers/dri/mga/mgastate.c | |
parent | 1f2d9ae69fa6d368b1df3f316e7bb7186ca8f746 (diff) |
bring over latest mga DRI driver from DRI trunk
Diffstat (limited to 'src/mesa/drivers/dri/mga/mgastate.c')
-rw-r--r-- | src/mesa/drivers/dri/mga/mgastate.c | 196 |
1 files changed, 79 insertions, 117 deletions
diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c index 29815008be..becb08a208 100644 --- a/src/mesa/drivers/dri/mga/mgastate.c +++ b/src/mesa/drivers/dri/mga/mgastate.c @@ -48,13 +48,10 @@ #include "tnl/t_pipeline.h" #include "swrast_setup/swrast_setup.h" +#include "xmlpool.h" static void updateSpecularLighting( GLcontext *ctx ); - -/* Some outstanding problems with accelerating logic ops... - */ -#if defined(ACCEL_ROP) static const GLuint mgarop_NoBLK[16] = { DC_atype_rpl | 0x00000000, DC_atype_rstr | 0x00080000, DC_atype_rstr | 0x00040000, DC_atype_rpl | 0x000c0000, @@ -65,8 +62,6 @@ static const GLuint mgarop_NoBLK[16] = { DC_atype_rpl | 0x00030000, DC_atype_rstr | 0x000b0000, DC_atype_rstr | 0x00070000, DC_atype_rpl | 0x000f0000 }; -#endif - /* ============================================================= * Alpha blending @@ -111,27 +106,32 @@ static void mgaDDAlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref) break; } - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.alpha_func = a | MGA_FIELD( AC_atref, refByte ); - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } -static void mgaDDBlendEquation(GLcontext *ctx, GLenum mode) +static void updateBlendLogicOp(GLcontext *ctx) { - FLUSH_BATCH( MGA_CONTEXT(ctx) ); + mgaContextPtr mmesa = MGA_CONTEXT(ctx); - /* BlendEquation sets ColorLogicOpEnabled in an unexpected - * manner. - */ - FALLBACK( ctx, MGA_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); + + mmesa->hw.blend_func_enable = + (ctx->Color.BlendEnabled && !ctx->Color._LogicOpEnabled) ? ~0 : 0; + + FALLBACK( ctx, MGA_FALLBACK_BLEND, + ctx->Color.BlendEnabled && !ctx->Color._LogicOpEnabled && + mmesa->hw.blend_func == (AC_src_src_alpha_sat | AC_dst_zero) ); +} + +static void mgaDDBlendEquation(GLcontext *ctx, GLenum mode) +{ + updateBlendLogicOp( ctx ); } static void mgaDDBlendFunc(GLcontext *ctx, GLenum sfactor, GLenum dfactor) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); - mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; GLuint src; GLuint dst; @@ -150,11 +150,11 @@ static void mgaDDBlendFunc(GLcontext *ctx, GLenum sfactor, GLenum dfactor) case GL_ONE_MINUS_SRC_ALPHA: src = AC_src_om_src_alpha; break; case GL_DST_ALPHA: - src = (mgaScreen->cpp == 4) + src = (ctx->Visual.alphaBits > 0) ? AC_src_dst_alpha : AC_src_one; break; case GL_ONE_MINUS_DST_ALPHA: - src = (mgaScreen->cpp == 4) + src = (ctx->Visual.alphaBits > 0) ? AC_src_om_dst_alpha : AC_src_zero; break; case GL_SRC_ALPHA_SATURATE: @@ -178,18 +178,21 @@ static void mgaDDBlendFunc(GLcontext *ctx, GLenum sfactor, GLenum dfactor) case GL_ONE_MINUS_SRC_COLOR: dst = AC_dst_om_src_color; break; case GL_DST_ALPHA: - dst = (mgaScreen->cpp == 4) + dst = (ctx->Visual.alphaBits > 0) ? AC_dst_dst_alpha : AC_dst_one; break; case GL_ONE_MINUS_DST_ALPHA: - dst = (mgaScreen->cpp == 4) + dst = (ctx->Visual.alphaBits > 0) ? AC_dst_om_dst_alpha : AC_dst_zero; break; } - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.blend_func = (src | dst); - mmesa->dirty |= MGA_UPLOAD_CONTEXT; + + FALLBACK( ctx, MGA_FALLBACK_BLEND, + ctx->Color.BlendEnabled && !ctx->Color._LogicOpEnabled && + mmesa->hw.blend_func == (AC_src_src_alpha_sat | AC_dst_zero) ); } static void mgaDDBlendFuncSeparate( GLcontext *ctx, GLenum sfactorRGB, @@ -199,7 +202,6 @@ static void mgaDDBlendFuncSeparate( GLcontext *ctx, GLenum sfactorRGB, mgaDDBlendFunc( ctx, sfactorRGB, dfactorRGB ); } - /* ============================================================= * Depth testing */ @@ -233,10 +235,9 @@ static void mgaDDDepthFunc(GLcontext *ctx, GLenum func) zmode = 0; break; } - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.zmode &= DC_zmode_MASK; mmesa->hw.zmode |= zmode; - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } static void mgaDDDepthMask(GLcontext *ctx, GLboolean flag) @@ -244,10 +245,9 @@ static void mgaDDDepthMask(GLcontext *ctx, GLboolean flag) mgaContextPtr mmesa = MGA_CONTEXT( ctx ); - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.zmode &= DC_atype_MASK; mmesa->hw.zmode |= (flag) ? DC_atype_zi : DC_atype_i; - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } @@ -343,8 +343,7 @@ static void mgaDDCullFaceFrontFace(GLcontext *ctx, GLenum unused) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); - - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) { @@ -363,8 +362,6 @@ static void mgaDDCullFaceFrontFace(GLcontext *ctx, GLenum unused) mmesa->hw.cull = _CULL_DISABLE; mmesa->hw.cull_dualtex = _CULL_DISABLE; } - - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } @@ -494,8 +491,6 @@ static void updateSpecularLighting( GLcontext *ctx ) if ( specen != mmesa->hw.specen ) { mmesa->hw.specen = specen; mmesa->dirty |= MGA_UPLOAD_TEX0 | MGA_UPLOAD_TEX1; - - mgaChooseVertexState( ctx ); } } @@ -527,7 +522,7 @@ static void mgaDDStencilFunc(GLcontext *ctx, GLenum func, GLint ref, GLuint stencil; GLuint stencilctl; - stencil = (ref << S_sref_SHIFT) | (mask << S_smsk_SHIFT); + stencil = MGA_FIELD( S_sref, ref ) | MGA_FIELD( S_smsk, mask ); switch (func) { case GL_NEVER: @@ -557,22 +552,20 @@ static void mgaDDStencilFunc(GLcontext *ctx, GLenum func, GLint ref, break; } - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.stencil &= (S_sref_MASK & S_smsk_MASK); mmesa->hw.stencil |= stencil; mmesa->hw.stencilctl &= SC_smode_MASK; mmesa->hw.stencilctl |= stencilctl; - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } static void mgaDDStencilMask(GLcontext *ctx, GLuint mask) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.stencil &= S_swtmsk_MASK; - mmesa->hw.stencil |= (mask << S_swtmsk_SHIFT); - mmesa->dirty |= MGA_UPLOAD_CONTEXT; + mmesa->hw.stencil |= MGA_FIELD( S_swtmsk, mask ); } static void mgaDDStencilOp(GLcontext *ctx, GLenum fail, GLenum zfail, @@ -672,11 +665,10 @@ static void mgaDDStencilOp(GLcontext *ctx, GLenum fail, GLenum zfail, break; } - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.stencilctl &= (SC_sfailop_MASK & SC_szfailop_MASK & SC_szpassop_MASK); mmesa->hw.stencilctl |= stencilctl; - mmesa->dirty |= MGA_UPLOAD_CONTEXT; } @@ -747,14 +739,8 @@ static void mgaDDLogicOp( GLcontext *ctx, GLenum opcode ) { mgaContextPtr mmesa = MGA_CONTEXT( ctx ); - FLUSH_BATCH( mmesa ); -#if defined(ACCEL_ROP) + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.rop = mgarop_NoBLK[ opcode & 0x0f ]; - mmesa->dirty |= MGA_UPLOAD_CONTEXT; -#else - FALLBACK( ctx, MGA_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && opcode != GL_COPY) ); -#endif } @@ -884,27 +870,24 @@ static void mgaDDEnable(GLcontext *ctx, GLenum cap, GLboolean state) mgaContextPtr mmesa = MGA_CONTEXT( ctx ); switch(cap) { + case GL_DITHER: + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); + if (!ctx->Color.DitherFlag) + mmesa->setup.maccess |= MA_nodither_enable; + else + mmesa->setup.maccess &= ~MA_nodither_enable; + break; case GL_LIGHTING: case GL_COLOR_SUM_EXT: FLUSH_BATCH( mmesa ); updateSpecularLighting( ctx ); break; case GL_ALPHA_TEST: - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->hw.alpha_func_enable = (state) ? ~0 : 0; break; - case GL_BLEND: - FLUSH_BATCH( mmesa ); - mmesa->hw.blend_func_enable = (state) ? ~0 : 0; - - /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled. - */ - FALLBACK( ctx, MGA_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); - break; case GL_DEPTH_TEST: - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); FALLBACK (ctx, MGA_FALLBACK_DEPTH, ctx->Depth.Func == GL_NEVER && ctx->Depth.Test); break; @@ -921,8 +904,6 @@ static void mgaDDEnable(GLcontext *ctx, GLenum cap, GLboolean state) mmesa->setup.maccess |= MA_fogen_enable; else mmesa->setup.maccess &= ~MA_fogen_enable; - - mgaChooseVertexState( ctx ); break; case GL_CULL_FACE: mgaDDCullFaceFrontFace( ctx, 0 ); @@ -933,22 +914,20 @@ static void mgaDDEnable(GLcontext *ctx, GLenum cap, GLboolean state) break; case GL_POLYGON_STIPPLE: if (mmesa->haveHwStipple && mmesa->raster_primitive == GL_TRIANGLES) { - FLUSH_BATCH(mmesa); - mmesa->dirty |= MGA_UPLOAD_CONTEXT; + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); mmesa->setup.dwgctl &= ~(0xf<<20); if (state) mmesa->setup.dwgctl |= mmesa->poly_stipple; } break; + + case GL_BLEND: case GL_COLOR_LOGIC_OP: - FLUSH_BATCH( mmesa ); -#if !defined(ACCEL_ROP) - FALLBACK( ctx, MGA_FALLBACK_LOGICOP, - (state && ctx->Color.LogicOp != GL_COPY)); -#endif + updateBlendLogicOp( ctx ); break; + case GL_STENCIL_TEST: - FLUSH_BATCH( mmesa ); + MGA_STATECHANGE( mmesa, MGA_UPLOAD_CONTEXT ); if (mmesa->hw_stencil) { mmesa->hw.stencil_enable = ( state ) ? ~0 : 0; } @@ -1013,23 +992,17 @@ void mgaEmitHwStateLocked( mgaContextPtr mmesa ) mmesa->setup.dwgctl |= (ctx->Depth.Test) ? mmesa->hw.zmode : (DC_zmode_nozcmp | DC_atype_i); -#if defined(ACCEL_ROP) mmesa->setup.dwgctl &= DC_bop_MASK; - mmesa->setup.dwgctl |= (ctx->Color.ColorLogicOpEnabled) + mmesa->setup.dwgctl |= (ctx->Color._LogicOpEnabled) ? mmesa->hw.rop : mgarop_NoBLK[ GL_COPY & 0x0f ]; -#endif mmesa->setup.alphactrl &= AC_src_MASK & AC_dst_MASK & AC_atmode_MASK - & AC_atref_MASK & AC_alphasel_MASK; + & AC_atref_MASK & AC_alphasel_MASK; mmesa->setup.alphactrl |= - ((mmesa->hw.alpha_func & mmesa->hw.alpha_func_enable) - | ((mmesa->hw.blend_func & mmesa->hw.blend_func_enable) - | ((AC_src_one | AC_dst_zero) & ~mmesa->hw.blend_func_enable)) - | mmesa->hw.alpha_sel - | (AC_amode_alpha_channel - | AC_astipple_disable - | AC_aten_disable - | AC_atmode_noacmp)); + (mmesa->hw.alpha_func & mmesa->hw.alpha_func_enable) | + (mmesa->hw.blend_func & mmesa->hw.blend_func_enable) | + ((AC_src_one | AC_dst_zero) & ~mmesa->hw.blend_func_enable) | + mmesa->hw.alpha_sel; memcpy( &sarea->ContextState, &mmesa->setup, sizeof(mmesa->setup)); } @@ -1046,19 +1019,11 @@ void mgaEmitHwStateLocked( mgaContextPtr mmesa ) sizeof(sarea->TexState[1])); } - if (mmesa->dualtex_env) { - sarea->TexState[0].texctl2 |= TMC_dualtex_enable; - memcpy( &sarea->TexState[1], &sarea->TexState[0], - sizeof(sarea->TexState[0]) ); - mmesa->dirty |= MGA_UPLOAD_TEX1|MGA_UPLOAD_TEX0; - } else if ( (sarea->TexState[0].texctl2 & TMC_borderen_MASK) != - (sarea->TexState[1].texctl2 & TMC_borderen_MASK) ) { - const int borderen = sarea->TexState[1].texctl2 & ~TMC_borderen_MASK; - - memcpy( &sarea->TexState[1], &sarea->TexState[0], - sizeof(sarea->TexState[0]) ); - sarea->TexState[1].texctl2 |= borderen; - mmesa->dirty |= MGA_UPLOAD_TEX1|MGA_UPLOAD_TEX0; + if (mmesa->dirty & (MGA_UPLOAD_TEX0 | MGA_UPLOAD_TEX1)) { + sarea->TexState[0].texctl2 &= ~TMC_specen_enable; + sarea->TexState[1].texctl2 &= ~TMC_specen_enable; + sarea->TexState[0].texctl2 |= mmesa->hw.specen; + sarea->TexState[1].texctl2 |= mmesa->hw.specen; } if (mmesa->dirty & MGA_UPLOAD_PIPE) { @@ -1069,14 +1034,8 @@ void mgaEmitHwStateLocked( mgaContextPtr mmesa ) mmesa->sarea->dirty |= mmesa->dirty; mmesa->dirty &= MGA_UPLOAD_CLIPRECTS; - - sarea->TexState[0].texctl2 &= ~TMC_specen_enable; - sarea->TexState[1].texctl2 &= ~TMC_specen_enable; - sarea->TexState[0].texctl2 |= mmesa->hw.specen; - sarea->TexState[1].texctl2 |= mmesa->hw.specen; } - /* ============================================================= */ @@ -1155,6 +1114,9 @@ void mgaInitState( mgaContextPtr mmesa ) MA_tlutload_disable | MA_nodither_disable | MA_dit555_disable); + if (driQueryOptioni (&mmesa->optionCache, "color_reduction") != + DRI_CONF_COLOR_REDUCTION_DITHER) + mmesa->setup.maccess |= MA_nodither_enable; switch (mmesa->mgaScreen->cpp) { case 2: @@ -1182,14 +1144,20 @@ void mgaInitState( mgaContextPtr mmesa ) } mmesa->hw.blend_func = AC_src_one | AC_dst_zero; + mmesa->hw.blend_func_enable = 0; + mmesa->hw.alpha_func = AC_atmode_noacmp | MGA_FIELD( AC_atref, 0x00 ); + mmesa->hw.alpha_func_enable = 0; + mmesa->hw.rop = mgarop_NoBLK[ GL_COPY & 0x0f ]; mmesa->hw.zmode = DC_zmode_zlt | DC_atype_zi; - mmesa->hw.stencil = (0x0ff << S_smsk_SHIFT) | (0x0ff << S_swtmsk_SHIFT); + mmesa->hw.stencil = MGA_FIELD( S_sref, 0x00) | MGA_FIELD( S_smsk, 0xff ) | + MGA_FIELD( S_swtmsk, 0xff ); mmesa->hw.stencilctl = SC_smode_salways | SC_sfailop_keep - | SC_szfailop_keep | SC_szpassop_keep; + | SC_szfailop_keep | SC_szpassop_keep; mmesa->hw.stencil_enable = 0; mmesa->hw.cull = _CULL_DISABLE; mmesa->hw.cull_dualtex = _CULL_DISABLE; mmesa->hw.specen = 0; + mmesa->hw.alpha_sel = AC_alphasel_diffused; mmesa->setup.dwgctl = (DC_opcod_trap | DC_linear_xy | @@ -1197,22 +1165,17 @@ void mgaInitState( mgaContextPtr mmesa ) DC_arzero_disable | DC_sgnzero_disable | DC_shftzero_enable | - (0xC << DC_bop_SHIFT) | - (0x0 << DC_trans_SHIFT) | + MGA_FIELD( DC_bop, 0xC ) | + MGA_FIELD( DC_trans, 0x0 ) | DC_bltmod_bmonolef | DC_pattern_disable | DC_transc_disable | DC_clipdis_disable); - mmesa->setup.plnwt = ~0; - mmesa->setup.alphactrl = ( AC_src_one | - AC_dst_zero | - AC_amode_FCOL | - AC_astipple_disable | - AC_aten_disable | - AC_atmode_noacmp | - AC_alphasel_fromtex ); + mmesa->setup.alphactrl = (AC_amode_alpha_channel | + AC_astipple_disable | + AC_aten_disable); mmesa->setup.fogcolor = PACK_COLOR_888((GLubyte)(ctx->Fog.Color[0]*255.0F), (GLubyte)(ctx->Fog.Color[1]*255.0F), @@ -1224,9 +1187,8 @@ void mgaInitState( mgaContextPtr mmesa ) mmesa->setup.fcol = 0; mmesa->dirty |= MGA_UPLOAD_CONTEXT; - mmesa->envcolor = 0; - mmesa->blend_flags = MGA_BLEND_RGB_ZERO | MGA_BLEND_ALPHA_ZERO; - mmesa->dualtex_env = GL_FALSE; + mmesa->envcolor[0] = 0; + mmesa->envcolor[1] = 0; } |