From fd5511d27fc44096117c47ab503fb5b47f993061 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 29 Dec 2009 16:17:14 -0700 Subject: mesa: implement per-buffer color masking This is part of the GL_EXT_draw_buffers2 extension and part of GL 3.0. The ctx->Color.ColorMask field is now a 2-D array. Until drivers are modified to support per-buffer color masking, they can just look at the 0th color mask. The new _mesa_ColorMaskIndexed() function will be called by glColorMaskIndexedEXT() or glColorMaski(). --- src/mesa/drivers/common/driverfuncs.c | 22 ++++++-- src/mesa/drivers/common/meta.c | 32 ++++++++--- src/mesa/drivers/directfb/idirectfbgl_mesa.c | 8 +-- src/mesa/drivers/dri/gamma/gamma_state.c | 8 +-- src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 2 +- src/mesa/drivers/dri/intel/intel_clear.c | 2 +- src/mesa/drivers/dri/intel/intel_pixel.c | 8 +-- src/mesa/drivers/dri/intel/intel_pixel_copy.c | 8 +-- src/mesa/drivers/dri/mach64/mach64_state.c | 8 +-- src/mesa/drivers/dri/mga/mgapixel.c | 24 ++++---- src/mesa/drivers/dri/mga/mgastate.c | 10 ++-- src/mesa/drivers/dri/r128/r128_state.c | 8 +-- src/mesa/drivers/dri/r200/r200_pixel.c | 16 +++--- src/mesa/drivers/dri/r200/r200_state.c | 8 +-- src/mesa/drivers/dri/r300/r300_state.c | 7 ++- src/mesa/drivers/dri/r600/r700_clear.c | 2 +- src/mesa/drivers/dri/r600/r700_state.c | 8 +-- src/mesa/drivers/dri/radeon/radeon_state.c | 8 +-- src/mesa/drivers/dri/savage/savageioctl.c | 14 ++--- src/mesa/drivers/dri/tdfx/tdfx_pixels.c | 8 +-- src/mesa/drivers/dri/tdfx/tdfx_render.c | 6 +- src/mesa/drivers/dri/unichrome/via_state.c | 10 ++-- src/mesa/drivers/windows/gdi/wmesa.c | 8 +-- .../drivers/windows/gldirect/dx7/gld_driver_dx7.c | 10 ++-- .../drivers/windows/gldirect/dx8/gld_driver_dx8.c | 10 ++-- .../drivers/windows/gldirect/dx9/gld_driver_dx9.c | 10 ++-- src/mesa/drivers/x11/xm_dd.c | 2 +- src/mesa/main/attrib.c | 20 +++++-- src/mesa/main/blend.c | 59 +++++++++++++++++--- src/mesa/main/blend.h | 4 ++ src/mesa/main/dd.h | 2 + src/mesa/main/get.c | 65 +++++++++++++++------- src/mesa/main/get_gen.py | 17 ++++-- src/mesa/main/mtypes.h | 2 +- src/mesa/state_tracker/st_atom_blend.c | 8 +-- src/mesa/state_tracker/st_cb_accum.c | 2 +- src/mesa/state_tracker/st_cb_clear.c | 16 +++--- src/mesa/swrast/s_accum.c | 2 +- src/mesa/swrast/s_clear.c | 50 ++++++----------- src/mesa/swrast/s_context.c | 28 ++++++++-- src/mesa/swrast/s_masking.c | 20 +++---- src/mesa/swrast/s_masking.h | 2 +- src/mesa/swrast/s_span.c | 8 +-- src/mesa/swrast/s_triangle.c | 8 +-- 44 files changed, 350 insertions(+), 230 deletions(-) (limited to 'src') diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c index 9b271f85e9..5c5e17820d 100644 --- a/src/mesa/drivers/common/driverfuncs.c +++ b/src/mesa/drivers/common/driverfuncs.c @@ -264,11 +264,23 @@ _mesa_init_driver_state(GLcontext *ctx) ctx->Color.BlendDstRGB, ctx->Color.BlendSrcA, ctx->Color.BlendDstA); - ctx->Driver.ColorMask(ctx, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); + if (ctx->Driver.ColorMaskIndexed) { + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + ctx->Driver.ColorMaskIndexed(ctx, i, + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); + } + } + else { + ctx->Driver.ColorMask(ctx, + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); + } ctx->Driver.CullFace(ctx, ctx->Polygon.CullFaceMode); ctx->Driver.DepthFunc(ctx, ctx->Depth.Func); diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index da2c06677a..0676173745 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -111,7 +111,7 @@ struct save_state GLboolean ColorLogicOpEnabled; /** META_COLOR_MASK */ - GLubyte ColorMask[4]; + GLubyte ColorMask[MAX_DRAW_BUFFERS][4]; /** META_DEPTH_TEST */ struct gl_depthbuffer_attrib Depth; @@ -347,11 +347,12 @@ _mesa_meta_begin(GLcontext *ctx, GLbitfield state) } if (state & META_COLOR_MASK) { - COPY_4V(save->ColorMask, ctx->Color.ColorMask); - if (!ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3]) + memcpy(save->ColorMask, ctx->Color.ColorMask, + sizeof(ctx->Color.ColorMask)); + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) _mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); } @@ -581,9 +582,22 @@ _mesa_meta_end(GLcontext *ctx) } if (state & META_COLOR_MASK) { - if (!TEST_EQ_4V(ctx->Color.ColorMask, save->ColorMask)) - _mesa_ColorMask(save->ColorMask[0], save->ColorMask[1], - save->ColorMask[2], save->ColorMask[3]); + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (!TEST_EQ_4V(ctx->Color.ColorMask[i], save->ColorMask[i])) { + if (i == 0) { + _mesa_ColorMask(save->ColorMask[i][0], save->ColorMask[i][1], + save->ColorMask[i][2], save->ColorMask[i][3]); + } + else { + _mesa_ColorMaskIndexed(i, + save->ColorMask[i][0], + save->ColorMask[i][1], + save->ColorMask[i][2], + save->ColorMask[i][3]); + } + } + } } if (state & META_DEPTH_TEST) { diff --git a/src/mesa/drivers/directfb/idirectfbgl_mesa.c b/src/mesa/drivers/directfb/idirectfbgl_mesa.c index 93593403c1..62a3269d17 100644 --- a/src/mesa/drivers/directfb/idirectfbgl_mesa.c +++ b/src/mesa/drivers/directfb/idirectfbgl_mesa.c @@ -407,10 +407,10 @@ dfbClear( GLcontext *ctx, GLbitfield mask ) #define BUFFER_BIT_MASK (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT | \ BUFFER_BIT_BACK_LEFT | BUFFER_BIT_BACK_RIGHT ) if (mask & BUFFER_BIT_MASK && - ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3]) + ctx->Color.ColorMask[0][0] && + ctx->Color.ColorMask[0][1] && + ctx->Color.ColorMask[0][2] && + ctx->Color.ColorMask[0][3]) { DFBRegion clip; GLubyte a, r, g, b; diff --git a/src/mesa/drivers/dri/gamma/gamma_state.c b/src/mesa/drivers/dri/gamma/gamma_state.c index 59272f9bc9..bdd1c86ab7 100644 --- a/src/mesa/drivers/dri/gamma/gamma_state.c +++ b/src/mesa/drivers/dri/gamma/gamma_state.c @@ -813,10 +813,10 @@ static void gammaUpdateMasks( GLcontext *ctx ) GLuint mask = gammaPackColor( gmesa->gammaScreen->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP] ); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP] ); if (gmesa->gammaScreen->cpp == 2) mask |= mask << 16; diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 8810f2a380..7aca3aac8e 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -575,7 +575,7 @@ brw_update_renderbuffer_surface(struct brw_context *brw, key.draw_offset = 0; } /* _NEW_COLOR */ - memcpy(key.color_mask, ctx->Color.ColorMask, + memcpy(key.color_mask, ctx->Color.ColorMask[0], sizeof(key.color_mask)); /* As mentioned above, disable writes to the alpha component when the diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c index f682ee3de5..956f2339ff 100644 --- a/src/mesa/drivers/dri/intel/intel_clear.c +++ b/src/mesa/drivers/dri/intel/intel_clear.c @@ -68,7 +68,7 @@ static void intelClear(GLcontext *ctx, GLbitfield mask) { struct intel_context *intel = intel_context(ctx); - const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask); + const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask[0]); GLbitfield tri_mask = 0; GLbitfield blit_mask = 0; GLbitfield swrast_mask = 0; diff --git a/src/mesa/drivers/dri/intel/intel_pixel.c b/src/mesa/drivers/dri/intel/intel_pixel.c index 993e427a99..5142f3dcd9 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel.c +++ b/src/mesa/drivers/dri/intel/intel_pixel.c @@ -88,10 +88,10 @@ intel_check_blit_fragment_ops(GLcontext * ctx, GLboolean src_alpha_is_one) return GL_FALSE; } - if (!(ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3])) { + if (!(ctx->Color.ColorMask[0][0] && + ctx->Color.ColorMask[0][1] && + ctx->Color.ColorMask[0][2] && + ctx->Color.ColorMask[0][3])) { DBG("fallback due to color masking\n"); return GL_FALSE; } diff --git a/src/mesa/drivers/dri/intel/intel_pixel_copy.c b/src/mesa/drivers/dri/intel/intel_pixel_copy.c index 622aaa22d6..689a00cb00 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel_copy.c +++ b/src/mesa/drivers/dri/intel/intel_pixel_copy.c @@ -83,10 +83,10 @@ intel_check_copypixel_blit_fragment_ops(GLcontext * ctx) ctx->Depth.Test || ctx->Fog.Enabled || ctx->Stencil._Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || + !ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3] || ctx->Texture._EnabledUnits || ctx->FragmentProgram._Enabled || ctx->Color.BlendEnabled); diff --git a/src/mesa/drivers/dri/mach64/mach64_state.c b/src/mesa/drivers/dri/mach64/mach64_state.c index 3a023187ce..902905de71 100644 --- a/src/mesa/drivers/dri/mach64/mach64_state.c +++ b/src/mesa/drivers/dri/mach64/mach64_state.c @@ -527,10 +527,10 @@ static void mach64UpdateMasks( GLcontext *ctx ) /* mach64 can't color mask with alpha blending enabled */ if ( !ctx->Color.BlendEnabled ) { mask = mach64PackColor( mmesa->mach64Screen->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP] ); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP] ); } if ( mmesa->setup.dp_write_mask != mask ) { diff --git a/src/mesa/drivers/dri/mga/mgapixel.c b/src/mesa/drivers/dri/mga/mgapixel.c index 977dfa0b76..05b30ba61e 100644 --- a/src/mesa/drivers/dri/mga/mgapixel.c +++ b/src/mesa/drivers/dri/mga/mgapixel.c @@ -134,10 +134,10 @@ check_color_per_fragment_ops( const GLcontext *ctx ) ctx->Fog.Enabled || ctx->Scissor.Enabled || ctx->Stencil._Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || + !ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3] || ctx->Color.ColorLogicOpEnabled || ctx->Texture._EnabledUnits ) && @@ -150,10 +150,10 @@ static GLboolean check_depth_per_fragment_ops( const GLcontext *ctx ) { return ( ctx->Current.RasterPosValid && - ctx->Color.ColorMask[RCOMP] == 0 && - ctx->Color.ColorMask[BCOMP] == 0 && - ctx->Color.ColorMask[GCOMP] == 0 && - ctx->Color.ColorMask[ACOMP] == 0 && + ctx->Color.ColorMask[0][RCOMP] == 0 && + ctx->Color.ColorMask[0][BCOMP] == 0 && + ctx->Color.ColorMask[0][GCOMP] == 0 && + ctx->Color.ColorMask[0][ACOMP] == 0 && ctx->Pixel.ZoomX == 1.0F && ( ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F ) ); } @@ -525,10 +525,10 @@ mgaTryDrawPixels( GLcontext *ctx, mmesa->mgaScreen->backOffset); planemask = mgaPackColor(cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); if (cpp == 2) planemask |= planemask << 16; diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c index 7c830ec097..1e51057534 100644 --- a/src/mesa/drivers/dri/mga/mgastate.c +++ b/src/mesa/drivers/dri/mga/mgastate.c @@ -374,13 +374,11 @@ static void mgaDDColorMask(GLcontext *ctx, { mgaContextPtr mmesa = MGA_CONTEXT( ctx ); mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; - - GLuint mask = mgaPackColor(mgaScreen->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); if (mgaScreen->cpp == 2) mask = mask | (mask << 16); diff --git a/src/mesa/drivers/dri/r128/r128_state.c b/src/mesa/drivers/dri/r128/r128_state.c index 4ae7bf5b97..ac175d59ec 100644 --- a/src/mesa/drivers/dri/r128/r128_state.c +++ b/src/mesa/drivers/dri/r128/r128_state.c @@ -702,10 +702,10 @@ static void r128UpdateMasks( GLcontext *ctx ) r128ContextPtr rmesa = R128_CONTEXT(ctx); GLuint mask = r128PackColor( rmesa->r128Screen->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP] ); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP] ); if ( rmesa->setup.plane_3d_mask_c != mask ) { rmesa->setup.plane_3d_mask_c = mask; diff --git a/src/mesa/drivers/dri/r200/r200_pixel.c b/src/mesa/drivers/dri/r200/r200_pixel.c index 95773871e0..94e43c7d66 100644 --- a/src/mesa/drivers/dri/r200/r200_pixel.c +++ b/src/mesa/drivers/dri/r200/r200_pixel.c @@ -88,10 +88,10 @@ check_color_per_fragment_ops( const GLcontext *ctx ) ctx->Fog.Enabled || ctx->Scissor.Enabled || ctx->Stencil._Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || + !ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3] || ctx->Color.ColorLogicOpEnabled || ctx->Texture._EnabledUnits ) && @@ -400,10 +400,10 @@ r200TryDrawPixels( GLcontext *ctx, case GL_RGBA: case GL_BGRA: planemask = radeonPackColor(cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); if (cpp == 2) planemask |= planemask << 16; diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c index 6d99c039de..529cb62264 100644 --- a/src/mesa/drivers/dri/r200/r200_state.c +++ b/src/mesa/drivers/dri/r200/r200_state.c @@ -721,10 +721,10 @@ static void r200ColorMask( GLcontext *ctx, if (!rrb) return; mask = radeonPackColor( rrb->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP] ); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP] ); if (!(r && g && b && a)) diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 23f81fe790..f90bfd4f4f 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -1768,9 +1768,10 @@ static void r300ResetHwState(r300ContextPtr r300) radeon_firevertices(&r300->radeon); r300ColorMask(ctx, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], ctx->Color.ColorMask[ACOMP]); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); r300DepthMask(ctx, ctx->Depth.Mask); diff --git a/src/mesa/drivers/dri/r600/r700_clear.c b/src/mesa/drivers/dri/r600/r700_clear.c index 526d3843d1..c0ac54a844 100644 --- a/src/mesa/drivers/dri/r600/r700_clear.c +++ b/src/mesa/drivers/dri/r600/r700_clear.c @@ -50,7 +50,7 @@ void r700Clear(GLcontext * ctx, GLbitfield mask) { context_t *context = R700_CONTEXT(ctx); __DRIdrawablePrivate *dPriv = radeon_get_drawable(&context->radeon); - const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask); + const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask[0]); GLbitfield swrast_mask = 0, tri_mask = 0; int i; struct gl_framebuffer *fb = ctx->DrawBuffer; diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 16b05d5cd9..fc6fb29fd6 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -1724,10 +1724,10 @@ void r700InitState(GLcontext * ctx) //------------------- r700InitSQConfig(ctx); r700ColorMask(ctx, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP]); r700Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); r700DepthMask(ctx, ctx->Depth.Mask); diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c index f6c733ab20..1fcb545204 100644 --- a/src/mesa/drivers/dri/radeon/radeon_state.c +++ b/src/mesa/drivers/dri/radeon/radeon_state.c @@ -521,10 +521,10 @@ static void radeonColorMask( GLcontext *ctx, return; mask = radeonPackColor( rrb->cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP] ); + ctx->Color.ColorMask[0][RCOMP], + ctx->Color.ColorMask[0][GCOMP], + ctx->Color.ColorMask[0][BCOMP], + ctx->Color.ColorMask[0][ACOMP] ); if ( rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] != mask ) { RADEON_STATECHANGE( rmesa, msk ); diff --git a/src/mesa/drivers/dri/savage/savageioctl.c b/src/mesa/drivers/dri/savage/savageioctl.c index 77ab8d16e0..706fc97935 100644 --- a/src/mesa/drivers/dri/savage/savageioctl.c +++ b/src/mesa/drivers/dri/savage/savageioctl.c @@ -360,15 +360,15 @@ static void savageDDClear( GLcontext *ctx, GLbitfield mask ) depthMask = 0; switch (imesa->savageScreen->cpp) { case 2: - colorMask = PACK_COLOR_565(ctx->Color.ColorMask[0], - ctx->Color.ColorMask[1], - ctx->Color.ColorMask[2]); + colorMask = PACK_COLOR_565(ctx->Color.ColorMask[0][0], + ctx->Color.ColorMask[0][1], + ctx->Color.ColorMask[0][2]); break; case 4: - colorMask = PACK_COLOR_8888(ctx->Color.ColorMask[3], - ctx->Color.ColorMask[2], - ctx->Color.ColorMask[1], - ctx->Color.ColorMask[0]); + colorMask = PACK_COLOR_8888(ctx->Color.ColorMask[0][3], + ctx->Color.ColorMask[0][2], + ctx->Color.ColorMask[0][1], + ctx->Color.ColorMask[0][0]); break; } diff --git a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c index 18729d5ae0..a3b1775e90 100644 --- a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c +++ b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c @@ -611,10 +611,10 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y, ctx->Fog.Enabled || ctx->Scissor.Enabled || ctx->Stencil._Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || + !ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3] || ctx->Color.ColorLogicOpEnabled || ctx->Texture._EnabledUnits || fxMesa->Fallback) diff --git a/src/mesa/drivers/dri/tdfx/tdfx_render.c b/src/mesa/drivers/dri/tdfx/tdfx_render.c index 2cd8e12d95..79d63f72ac 100644 --- a/src/mesa/drivers/dri/tdfx/tdfx_render.c +++ b/src/mesa/drivers/dri/tdfx/tdfx_render.c @@ -76,8 +76,8 @@ static void tdfxClear( GLcontext *ctx, GLbitfield mask ) if (fxMesa->glCtx->Visual.redBits != 8) { /* can only do color masking if running in 24/32bpp on Napalm */ - if (ctx->Color.ColorMask[RCOMP] != ctx->Color.ColorMask[GCOMP] || - ctx->Color.ColorMask[GCOMP] != ctx->Color.ColorMask[BCOMP]) { + if (ctx->Color.ColorMask[0][RCOMP] != ctx->Color.ColorMask[0][GCOMP] || + ctx->Color.ColorMask[0][GCOMP] != ctx->Color.ColorMask[0][BCOMP]) { softwareMask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)); mask &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT); } @@ -721,7 +721,7 @@ void tdfxEmitHwStateLocked( tdfxContextPtr fxMesa ) fxMesa->Glide.grColorMask( fxMesa->Color.ColorMask[RCOMP] || fxMesa->Color.ColorMask[GCOMP] || fxMesa->Color.ColorMask[BCOMP], - /*fxMesa->Color.ColorMask[ACOMP]*/GL_FALSE/*[dBorca] no-no*/ ); + /*fxMesa->Color.ColorMask[0][ACOMP]*/GL_FALSE/*[dBorca] no-no*/ ); } fxMesa->dirty &= ~TDFX_UPLOAD_COLOR_MASK; } diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c index 840e4e42da..a9db6c45f7 100644 --- a/src/mesa/drivers/dri/unichrome/via_state.c +++ b/src/mesa/drivers/dri/unichrome/via_state.c @@ -1238,12 +1238,12 @@ static void viaChooseColorState(GLcontext *ctx) else vmesa->regHROP = HC_HROP_P; - vmesa->regHFBBMSKL = PACK_COLOR_888(ctx->Color.ColorMask[0], - ctx->Color.ColorMask[1], - ctx->Color.ColorMask[2]); - vmesa->regHROP |= ctx->Color.ColorMask[3]; + vmesa->regHFBBMSKL = PACK_COLOR_888(ctx->Color.ColorMask[0][0], + ctx->Color.ColorMask[0][1], + ctx->Color.ColorMask[0][2]); + vmesa->regHROP |= ctx->Color.ColorMask[0][3]; - if (ctx->Color.ColorMask[3]) + if (ctx->Color.ColorMask[0][3]) vmesa->regEnable |= HC_HenAW_MASK; else vmesa->regEnable &= ~HC_HenAW_MASK; diff --git a/src/mesa/drivers/windows/gdi/wmesa.c b/src/mesa/drivers/windows/gdi/wmesa.c index 8929b22af1..76c825a090 100644 --- a/src/mesa/drivers/windows/gdi/wmesa.c +++ b/src/mesa/drivers/windows/gdi/wmesa.c @@ -301,10 +301,10 @@ static void clear(GLcontext *ctx, GLbitfield mask) /* Let swrast do all the work if the masks are not set to * clear all channels. */ - if (ctx->Color.ColorMask[0] != 0xff || - ctx->Color.ColorMask[1] != 0xff || - ctx->Color.ColorMask[2] != 0xff || - ctx->Color.ColorMask[3] != 0xff) { + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) { _swrast_Clear(ctx, mask); return; } diff --git a/src/mesa/drivers/windows/gldirect/dx7/gld_driver_dx7.c b/src/mesa/drivers/windows/gldirect/dx7/gld_driver_dx7.c index d5fa642800..7b202dfda7 100644 --- a/src/mesa/drivers/windows/gldirect/dx7/gld_driver_dx7.c +++ b/src/mesa/drivers/windows/gldirect/dx7/gld_driver_dx7.c @@ -269,7 +269,7 @@ void gld_Clear_DX7( D3DRECT d3dClearRect; // TODO: Colourmask - const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; + const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask[0]; if (!gld->pDev) return; @@ -427,10 +427,10 @@ void gld_NEW_COLOR( /* // Color mask - unsupported by DX7 - if (ctx->Color.ColorMask[0]) dwFlags |= D3DCOLORWRITEENABLE_RED; - if (ctx->Color.ColorMask[1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; - if (ctx->Color.ColorMask[2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; - if (ctx->Color.ColorMask[3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; + if (ctx->Color.ColorMask[0][0]) dwFlags |= D3DCOLORWRITEENABLE_RED; + if (ctx->Color.ColorMask[0][1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; + if (ctx->Color.ColorMask[0][2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; + if (ctx->Color.ColorMask[0][3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; _GLD_DX7_DEV(SetRenderState(gld->pDev, D3DRENDERSTATE_COLORWRITEENABLE, dwFlags)); */ } diff --git a/src/mesa/drivers/windows/gldirect/dx8/gld_driver_dx8.c b/src/mesa/drivers/windows/gldirect/dx8/gld_driver_dx8.c index 7afa9190cd..7eeb9db2d1 100644 --- a/src/mesa/drivers/windows/gldirect/dx8/gld_driver_dx8.c +++ b/src/mesa/drivers/windows/gldirect/dx8/gld_driver_dx8.c @@ -269,7 +269,7 @@ void gld_Clear_DX8( D3DRECT d3dClearRect; // TODO: Colourmask - const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; + const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask[0]; if (!gld->pDev) return; @@ -426,10 +426,10 @@ void gld_NEW_COLOR( _GLD_DX8_DEV(SetRenderState(gld->pDev, D3DRS_DESTBLEND, dest)); // Color mask - if (ctx->Color.ColorMask[0]) dwFlags |= D3DCOLORWRITEENABLE_RED; - if (ctx->Color.ColorMask[1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; - if (ctx->Color.ColorMask[2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; - if (ctx->Color.ColorMask[3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; + if (ctx->Color.ColorMask[0][0]) dwFlags |= D3DCOLORWRITEENABLE_RED; + if (ctx->Color.ColorMask[0][1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; + if (ctx->Color.ColorMask[0][2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; + if (ctx->Color.ColorMask[0][3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; _GLD_DX8_DEV(SetRenderState(gld->pDev, D3DRS_COLORWRITEENABLE, dwFlags)); } diff --git a/src/mesa/drivers/windows/gldirect/dx9/gld_driver_dx9.c b/src/mesa/drivers/windows/gldirect/dx9/gld_driver_dx9.c index c191564d6e..0558462dea 100644 --- a/src/mesa/drivers/windows/gldirect/dx9/gld_driver_dx9.c +++ b/src/mesa/drivers/windows/gldirect/dx9/gld_driver_dx9.c @@ -269,7 +269,7 @@ void gld_Clear_DX9( D3DRECT d3dClearRect; // TODO: Colourmask - const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; + const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask[0]; if (!gld->pDev) return; @@ -424,10 +424,10 @@ void gld_NEW_COLOR( _GLD_DX9_DEV(SetRenderState(gld->pDev, D3DRS_DESTBLEND, dest)); // Color mask - if (ctx->Color.ColorMask[0]) dwFlags |= D3DCOLORWRITEENABLE_RED; - if (ctx->Color.ColorMask[1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; - if (ctx->Color.ColorMask[2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; - if (ctx->Color.ColorMask[3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; + if (ctx->Color.ColorMask[0][0]) dwFlags |= D3DCOLORWRITEENABLE_RED; + if (ctx->Color.ColorMask[0][1]) dwFlags |= D3DCOLORWRITEENABLE_GREEN; + if (ctx->Color.ColorMask[0][2]) dwFlags |= D3DCOLORWRITEENABLE_BLUE; + if (ctx->Color.ColorMask[0][3]) dwFlags |= D3DCOLORWRITEENABLE_ALPHA; _GLD_DX9_DEV(SetRenderState(gld->pDev, D3DRS_COLORWRITEENABLE, dwFlags)); } diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c index a27d7045ab..df04e3a101 100644 --- a/src/mesa/drivers/x11/xm_dd.c +++ b/src/mesa/drivers/x11/xm_dd.c @@ -381,7 +381,7 @@ clear_buffers(GLcontext *ctx, GLbitfield buffers) { if (ctx->DrawBuffer->Name == 0) { /* this is a window system framebuffer */ - const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask; + const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask[0]; XMesaBuffer b = XMESA_BUFFER(ctx->DrawBuffer); const GLint x = ctx->DrawBuffer->_Xmin; const GLint y = ctx->DrawBuffer->_Ymin; diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index 88ce0a4281..30e97a6e38 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -919,10 +919,22 @@ _mesa_PopAttrib(void) color->ClearColor[2], color->ClearColor[3]); _mesa_IndexMask(color->IndexMask); - _mesa_ColorMask((GLboolean) (color->ColorMask[0] != 0), - (GLboolean) (color->ColorMask[1] != 0), - (GLboolean) (color->ColorMask[2] != 0), - (GLboolean) (color->ColorMask[3] != 0)); + if (1/*ctx->Extensions.EXT_draw_buffers2*/) { + _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0), + (GLboolean) (color->ColorMask[0][1] != 0), + (GLboolean) (color->ColorMask[0][2] != 0), + (GLboolean) (color->ColorMask[0][3] != 0)); + } + else { + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + _mesa_ColorMaskIndexed(i, + (GLboolean) (color->ColorMask[i][0] != 0), + (GLboolean) (color->ColorMask[i][1] != 0), + (GLboolean) (color->ColorMask[i][2] != 0), + (GLboolean) (color->ColorMask[i][3] != 0)); + } + } { /* Need to determine if more than one color output is * specified. If so, call glDrawBuffersARB, else call diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c index 5a9d94e12d..b8170dd468 100644 --- a/src/mesa/main/blend.c +++ b/src/mesa/main/blend.c @@ -484,6 +484,8 @@ _mesa_ColorMask( GLboolean red, GLboolean green, { GET_CURRENT_CONTEXT(ctx); GLubyte tmp[4]; + GLuint i; + GLboolean flushed; ASSERT_OUTSIDE_BEGIN_END(ctx); if (MESA_VERBOSE & VERBOSE_API) @@ -497,14 +499,58 @@ _mesa_ColorMask( GLboolean red, GLboolean green, tmp[BCOMP] = blue ? 0xff : 0x0; tmp[ACOMP] = alpha ? 0xff : 0x0; - if (TEST_EQ_4UBV(tmp, ctx->Color.ColorMask)) + flushed = GL_FALSE; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (!TEST_EQ_4V(tmp, ctx->Color.ColorMask[i])) { + if (!flushed) { + FLUSH_VERTICES(ctx, _NEW_COLOR); + } + flushed = GL_TRUE; + COPY_4UBV(ctx->Color.ColorMask[i], tmp); + } + } + + if (ctx->Driver.ColorMask) + ctx->Driver.ColorMask( ctx, red, green, blue, alpha ); +} + + +/** + * For GL_EXT_draw_buffers2 and GL3 + */ +void GLAPIENTRY +_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ) +{ + GLubyte tmp[4]; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glColorMaskIndexed %u %d %d %d %d\n", + buf, red, green, blue, alpha); + + if (buf >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorMaskIndexed(buf=%u)", buf); + return; + } + + /* Shouldn't have any information about channel depth in core mesa + * -- should probably store these as the native booleans: + */ + tmp[RCOMP] = red ? 0xff : 0x0; + tmp[GCOMP] = green ? 0xff : 0x0; + tmp[BCOMP] = blue ? 0xff : 0x0; + tmp[ACOMP] = alpha ? 0xff : 0x0; + + if (TEST_EQ_4V(tmp, ctx->Color.ColorMask[buf])) return; FLUSH_VERTICES(ctx, _NEW_COLOR); - COPY_4UBV(ctx->Color.ColorMask, tmp); + COPY_4UBV(ctx->Color.ColorMask[buf], tmp); - if (ctx->Driver.ColorMask) - ctx->Driver.ColorMask( ctx, red, green, blue, alpha ); + if (ctx->Driver.ColorMaskIndexed) + ctx->Driver.ColorMaskIndexed(ctx, buf, red, green, blue, alpha); } @@ -555,10 +601,7 @@ void _mesa_init_color( GLcontext * ctx ) { /* Color buffer group */ ctx->Color.IndexMask = ~0u; - ctx->Color.ColorMask[0] = 0xff; - ctx->Color.ColorMask[1] = 0xff; - ctx->Color.ColorMask[2] = 0xff; - ctx->Color.ColorMask[3] = 0xff; + memset(ctx->Color.ColorMask, 0xff, sizeof(ctx->Color.ColorMask)); ctx->Color.ClearIndex = 0; ASSIGN_4V( ctx->Color.ClearColor, 0, 0, 0, 0 ); ctx->Color.AlphaEnabled = GL_FALSE; diff --git a/src/mesa/main/blend.h b/src/mesa/main/blend.h index 5c0f2783a7..b4fd7470eb 100644 --- a/src/mesa/main/blend.h +++ b/src/mesa/main/blend.h @@ -72,6 +72,10 @@ extern void GLAPIENTRY _mesa_ColorMask( GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha ); +extern void GLAPIENTRY +_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ); + extern void GLAPIENTRY _mesa_ClampColorARB(GLenum target, GLenum clamp); diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 6dadf5c079..496b0d2ba8 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -625,6 +625,8 @@ struct dd_function_table { /** Enable and disable writing of frame buffer color components */ void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask, GLboolean bmask, GLboolean amask ); + void (*ColorMaskIndexed)(GLcontext *ctx, GLuint buf, GLboolean rmask, + GLboolean gmask, GLboolean bmask, GLboolean amask); /** Cause a material color to track the current color */ void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode); /** Specify whether front- or back-facing facets can be culled */ diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index aff67466bc..44396a0491 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -210,10 +210,10 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params ) params[0] = ENUM_TO_BOOLEAN(ctx->Light.ColorMaterialMode); break; case GL_COLOR_WRITEMASK: - params[0] = INT_TO_BOOLEAN(ctx->Color.ColorMask[RCOMP] ? 1 : 0); - params[1] = INT_TO_BOOLEAN(ctx->Color.ColorMask[GCOMP] ? 1 : 0); - params[2] = INT_TO_BOOLEAN(ctx->Color.ColorMask[BCOMP] ? 1 : 0); - params[3] = INT_TO_BOOLEAN(ctx->Color.ColorMask[ACOMP] ? 1 : 0); + params[0] = INT_TO_BOOLEAN(ctx->Color.ColorMask[0][RCOMP] ? 1 : 0); + params[1] = INT_TO_BOOLEAN(ctx->Color.ColorMask[0][GCOMP] ? 1 : 0); + params[2] = INT_TO_BOOLEAN(ctx->Color.ColorMask[0][BCOMP] ? 1 : 0); + params[3] = INT_TO_BOOLEAN(ctx->Color.ColorMask[0][ACOMP] ? 1 : 0); break; case GL_CULL_FACE: params[0] = ctx->Polygon.CullFlag; @@ -2045,10 +2045,10 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params ) params[0] = ENUM_TO_FLOAT(ctx->Light.ColorMaterialMode); break; case GL_COLOR_WRITEMASK: - params[0] = (GLfloat)(ctx->Color.ColorMask[RCOMP] ? 1 : 0); - params[1] = (GLfloat)(ctx->Color.ColorMask[GCOMP] ? 1 : 0); - params[2] = (GLfloat)(ctx->Color.ColorMask[BCOMP] ? 1 : 0); - params[3] = (GLfloat)(ctx->Color.ColorMask[ACOMP] ? 1 : 0); + params[0] = (GLfloat)(ctx->Color.ColorMask[0][RCOMP] ? 1 : 0); + params[1] = (GLfloat)(ctx->Color.ColorMask[0][GCOMP] ? 1 : 0); + params[2] = (GLfloat)(ctx->Color.ColorMask[0][BCOMP] ? 1 : 0); + params[3] = (GLfloat)(ctx->Color.ColorMask[0][ACOMP] ? 1 : 0); break; case GL_CULL_FACE: params[0] = BOOLEAN_TO_FLOAT(ctx->Polygon.CullFlag); @@ -3880,10 +3880,10 @@ _mesa_GetIntegerv( GLenum pname, GLint *params ) params[0] = ENUM_TO_INT(ctx->Light.ColorMaterialMode); break; case GL_COLOR_WRITEMASK: - params[0] = ctx->Color.ColorMask[RCOMP] ? 1 : 0; - params[1] = ctx->Color.ColorMask[GCOMP] ? 1 : 0; - params[2] = ctx->Color.ColorMask[BCOMP] ? 1 : 0; - params[3] = ctx->Color.ColorMask[ACOMP] ? 1 : 0; + params[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0; + params[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0; + params[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0; + params[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0; break; case GL_CULL_FACE: params[0] = BOOLEAN_TO_INT(ctx->Polygon.CullFlag); @@ -5716,10 +5716,10 @@ _mesa_GetInteger64v( GLenum pname, GLint64 *params ) params[0] = ENUM_TO_INT64(ctx->Light.ColorMaterialMode); break; case GL_COLOR_WRITEMASK: - params[0] = (GLint64)(ctx->Color.ColorMask[RCOMP] ? 1 : 0); - params[1] = (GLint64)(ctx->Color.ColorMask[GCOMP] ? 1 : 0); - params[2] = (GLint64)(ctx->Color.ColorMask[BCOMP] ? 1 : 0); - params[3] = (GLint64)(ctx->Color.ColorMask[ACOMP] ? 1 : 0); + params[0] = (GLint64)(ctx->Color.ColorMask[0][RCOMP] ? 1 : 0); + params[1] = (GLint64)(ctx->Color.ColorMask[0][GCOMP] ? 1 : 0); + params[2] = (GLint64)(ctx->Color.ColorMask[0][BCOMP] ? 1 : 0); + params[3] = (GLint64)(ctx->Color.ColorMask[0][ACOMP] ? 1 : 0); break; case GL_CULL_FACE: params[0] = BOOLEAN_TO_INT64(ctx->Polygon.CullFlag); @@ -7448,11 +7448,20 @@ _mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params ) switch (pname) { case GL_BLEND: - if (index >= MAX_DRAW_BUFFERS) { + if (index >= ctx->Const.MaxDrawBuffers) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetBooleanIndexedv(index=%u), index", pname); } params[0] = INT_TO_BOOLEAN(((ctx->Color.BlendEnabled >> index) & 1)); break; + case GL_COLOR_WRITEMASK: + if (index >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetBooleanIndexedv(index=%u), index", pname); + } + params[0] = INT_TO_BOOLEAN(ctx->Color.ColorMask[index][RCOMP] ? 1 : 0); + params[1] = INT_TO_BOOLEAN(ctx->Color.ColorMask[index][GCOMP] ? 1 : 0); + params[2] = INT_TO_BOOLEAN(ctx->Color.ColorMask[index][BCOMP] ? 1 : 0); + params[3] = INT_TO_BOOLEAN(ctx->Color.ColorMask[index][ACOMP] ? 1 : 0); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanIndexedv(pname=0x%x)", pname); } @@ -7472,11 +7481,20 @@ _mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params ) switch (pname) { case GL_BLEND: - if (index >= MAX_DRAW_BUFFERS) { + if (index >= ctx->Const.MaxDrawBuffers) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetIntegerIndexedv(index=%u), index", pname); } params[0] = ((ctx->Color.BlendEnabled >> index) & 1); break; + case GL_COLOR_WRITEMASK: + if (index >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetIntegerIndexedv(index=%u), index", pname); + } + params[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0; + params[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0; + params[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0; + params[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0; + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerIndexedv(pname=0x%x)", pname); } @@ -7497,11 +7515,20 @@ _mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params ) switch (pname) { case GL_BLEND: - if (index >= MAX_DRAW_BUFFERS) { + if (index >= ctx->Const.MaxDrawBuffers) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetInteger64Indexedv(index=%u), index", pname); } params[0] = (GLint64)(((ctx->Color.BlendEnabled >> index) & 1)); break; + case GL_COLOR_WRITEMASK: + if (index >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetInteger64Indexedv(index=%u), index", pname); + } + params[0] = (GLint64)(ctx->Color.ColorMask[index][RCOMP] ? 1 : 0); + params[1] = (GLint64)(ctx->Color.ColorMask[index][GCOMP] ? 1 : 0); + params[2] = (GLint64)(ctx->Color.ColorMask[index][BCOMP] ? 1 : 0); + params[3] = (GLint64)(ctx->Color.ColorMask[index][ACOMP] ? 1 : 0); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetInteger64Indexedv(pname=0x%x)", pname); } diff --git a/src/mesa/main/get_gen.py b/src/mesa/main/get_gen.py index 8b6500fae1..18708be260 100644 --- a/src/mesa/main/get_gen.py +++ b/src/mesa/main/get_gen.py @@ -126,10 +126,10 @@ StateVars = [ ( "GL_COLOR_MATERIAL_PARAMETER", GLenum, ["ctx->Light.ColorMaterialMode"], "", None ), ( "GL_COLOR_WRITEMASK", GLint, - [ "ctx->Color.ColorMask[RCOMP] ? 1 : 0", - "ctx->Color.ColorMask[GCOMP] ? 1 : 0", - "ctx->Color.ColorMask[BCOMP] ? 1 : 0", - "ctx->Color.ColorMask[ACOMP] ? 1 : 0" ], "", None ), + [ "ctx->Color.ColorMask[0][RCOMP] ? 1 : 0", + "ctx->Color.ColorMask[0][GCOMP] ? 1 : 0", + "ctx->Color.ColorMask[0][BCOMP] ? 1 : 0", + "ctx->Color.ColorMask[0][ACOMP] ? 1 : 0" ], "", None ), ( "GL_CULL_FACE", GLboolean, ["ctx->Polygon.CullFlag"], "", None ), ( "GL_CULL_FACE_MODE", GLenum, ["ctx->Polygon.CullFaceMode"], "", None ), ( "GL_CURRENT_COLOR", GLfloatN, @@ -1035,7 +1035,14 @@ StateVars = [ # These are queried via glGetIntegetIndexdvEXT() or glGetIntegeri_v() IndexedStateVars = [ - ( "GL_BLEND", GLint, ["((ctx->Color.BlendEnabled >> index) & 1)"], "MAX_DRAW_BUFFERS", None ), + ( "GL_BLEND", GLint, ["((ctx->Color.BlendEnabled >> index) & 1)"], + "ctx->Const.MaxDrawBuffers", None ), + ( "GL_COLOR_WRITEMASK", GLint, + [ "ctx->Color.ColorMask[index][RCOMP] ? 1 : 0", + "ctx->Color.ColorMask[index][GCOMP] ? 1 : 0", + "ctx->Color.ColorMask[index][BCOMP] ? 1 : 0", + "ctx->Color.ColorMask[index][ACOMP] ? 1 : 0" ], + "ctx->Const.MaxDrawBuffers", None ), # XXX more to come... ] diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 170c35b11c..7ef2852242 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -564,7 +564,7 @@ struct gl_colorbuffer_attrib GLclampf ClearColor[4]; /**< Color to use for glClear */ GLuint IndexMask; /**< Color index write mask */ - GLubyte ColorMask[4]; /**< Each flag is 0xff or 0x0 */ + GLubyte ColorMask[MAX_DRAW_BUFFERS][4];/**< Each flag is 0xff or 0x0 */ GLenum DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */ diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c index 35c09c3e08..43e62c29f3 100644 --- a/src/mesa/state_tracker/st_atom_blend.c +++ b/src/mesa/state_tracker/st_atom_blend.c @@ -200,13 +200,13 @@ update_blend( struct st_context *st ) } /* Colormask - maybe reverse these bits? */ - if (st->ctx->Color.ColorMask[0]) + if (st->ctx->Color.ColorMask[0][0]) blend->colormask |= PIPE_MASK_R; - if (st->ctx->Color.ColorMask[1]) + if (st->ctx->Color.ColorMask[0][1]) blend->colormask |= PIPE_MASK_G; - if (st->ctx->Color.ColorMask[2]) + if (st->ctx->Color.ColorMask[0][2]) blend->colormask |= PIPE_MASK_B; - if (st->ctx->Color.ColorMask[3]) + if (st->ctx->Color.ColorMask[0][3]) blend->colormask |= PIPE_MASK_A; if (st->ctx->Color.DitherFlag) diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c index a6b9765452..da7b97d325 100644 --- a/src/mesa/state_tracker/st_cb_accum.c +++ b/src/mesa/state_tracker/st_cb_accum.c @@ -229,7 +229,7 @@ accum_return(GLcontext *ctx, GLfloat value, { struct pipe_context *pipe = ctx->st->pipe; struct pipe_screen *screen = pipe->screen; - const GLubyte *colormask = ctx->Color.ColorMask; + const GLubyte *colormask = ctx->Color.ColorMask[0]; enum pipe_transfer_usage usage; struct pipe_transfer *color_trans; size_t stride = acc_strb->stride; diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 72b30e7c04..192d765f45 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -232,13 +232,13 @@ clear_with_quad(GLcontext *ctx, blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; if (color) { - if (ctx->Color.ColorMask[0]) + if (ctx->Color.ColorMask[0][0]) blend.colormask |= PIPE_MASK_R; - if (ctx->Color.ColorMask[1]) + if (ctx->Color.ColorMask[0][1]) blend.colormask |= PIPE_MASK_G; - if (ctx->Color.ColorMask[2]) + if (ctx->Color.ColorMask[0][2]) blend.colormask |= PIPE_MASK_B; - if (ctx->Color.ColorMask[3]) + if (ctx->Color.ColorMask[0][3]) blend.colormask |= PIPE_MASK_A; if (st->ctx->Color.DitherFlag) blend.dither = 1; @@ -300,10 +300,10 @@ check_clear_color_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) ctx->Scissor.Height < rb->Height)) return TRUE; - if (!ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3]) + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) return TRUE; return FALSE; diff --git a/src/mesa/swrast/s_accum.c b/src/mesa/swrast/s_accum.c index c6c7dbf5cf..2d8c361e5d 100644 --- a/src/mesa/swrast/s_accum.c +++ b/src/mesa/swrast/s_accum.c @@ -528,7 +528,7 @@ accum_return(GLcontext *ctx, GLfloat value, for (buffer = 0; buffer < fb->_NumColorDrawBuffers; buffer++) { struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buffer]; if (masking) { - _swrast_mask_rgba_span(ctx, rb, &span); + _swrast_mask_rgba_span(ctx, rb, &span, buffer); } rb->PutRow(ctx, rb, width, xpos, ypos + i, span.array->rgba, NULL); } diff --git a/src/mesa/swrast/s_clear.c b/src/mesa/swrast/s_clear.c index 002718ded8..2d27797d43 100644 --- a/src/mesa/swrast/s_clear.c +++ b/src/mesa/swrast/s_clear.c @@ -40,7 +40,8 @@ * Clear the color buffer when glColorMask is in effect. */ static void -clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) +clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint buf) { const GLint x = ctx->DrawBuffer->_Xmin; const GLint y = ctx->DrawBuffer->_Ymin; @@ -95,7 +96,7 @@ clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) for (i = 0; i < height; i++) { span.x = x; span.y = y + i; - _swrast_mask_rgba_span(ctx, rb, &span); + _swrast_mask_rgba_span(ctx, rb, &span, buf); /* write masked row */ rb->PutRow(ctx, rb, width, x, y + i, span.array->rgba, NULL); } @@ -145,7 +146,7 @@ clear_ci_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) * Clear an rgba color buffer without channel masking. */ static void -clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) +clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint buf) { const GLint x = ctx->DrawBuffer->_Xmin; const GLint y = ctx->DrawBuffer->_Ymin; @@ -158,10 +159,10 @@ clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) ASSERT(ctx->Visual.rgbMode); - ASSERT(ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3]); + ASSERT(ctx->Color.ColorMask[buf][0] && + ctx->Color.ColorMask[buf][1] && + ctx->Color.ColorMask[buf][2] && + ctx->Color.ColorMask[buf][3]); ASSERT(rb->PutMonoRow); @@ -246,43 +247,24 @@ clear_ci_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_color_buffers(GLcontext *ctx) { - GLboolean masking; GLuint buf; - if (ctx->Visual.rgbMode) { - if (ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3]) { - masking = GL_FALSE; - } - else { - masking = GL_TRUE; - } - } - else { - struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; - const GLuint indexMask = (1 << _mesa_get_format_bits(rb->Format, GL_INDEX_BITS)) - 1; - if ((ctx->Color.IndexMask & indexMask) == indexMask) { - masking = GL_FALSE; - } - else { - masking = GL_TRUE; - } - } - for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) { struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[buf]; if (ctx->Visual.rgbMode) { - if (masking) { - clear_rgba_buffer_with_masking(ctx, rb); + if (ctx->Color.ColorMask[buf][0] == 0 || + ctx->Color.ColorMask[buf][1] == 0 || + ctx->Color.ColorMask[buf][2] == 0 || + ctx->Color.ColorMask[buf][3] == 0) { + clear_rgba_buffer_with_masking(ctx, rb, buf); } else { - clear_rgba_buffer(ctx, rb); + clear_rgba_buffer(ctx, rb, buf); } } else { - if (masking) { + const GLuint indexMask = (1 << _mesa_get_format_bits(rb->Format, GL_INDEX_BITS)) - 1; + if ((ctx->Color.IndexMask & indexMask) != indexMask) { clear_ci_buffer_with_masking(ctx, rb); } else { diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c index abf0008565..f9092c215a 100644 --- a/src/mesa/swrast/s_context.c +++ b/src/mesa/swrast/s_context.c @@ -55,6 +55,7 @@ _swrast_update_rasterflags( GLcontext *ctx ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); GLbitfield rasterMask = 0; + GLuint i; if (ctx->Color.AlphaEnabled) rasterMask |= ALPHATEST_BIT; if (ctx->Color.BlendEnabled) rasterMask |= BLEND_BIT; @@ -63,8 +64,15 @@ _swrast_update_rasterflags( GLcontext *ctx ) if (ctx->Scissor.Enabled) rasterMask |= CLIP_BIT; if (ctx->Stencil._Enabled) rasterMask |= STENCIL_BIT; if (ctx->Visual.rgbMode) { - const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask); - if (colorMask != 0xffffffff) rasterMask |= MASKING_BIT; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (!ctx->Color.ColorMask[i][0] || + !ctx->Color.ColorMask[i][1] || + !ctx->Color.ColorMask[i][2] || + !ctx->Color.ColorMask[i][3]) { + rasterMask |= MASKING_BIT; + break; + } + } if (ctx->Color._LogicOpEnabled) rasterMask |= LOGIC_OP_BIT; if (ctx->Texture._EnabledUnits) rasterMask |= TEXTURE_BIT; } @@ -92,13 +100,23 @@ _swrast_update_rasterflags( GLcontext *ctx ) /* more than one color buffer designated for writing (or zero buffers) */ rasterMask |= MULTI_DRAW_BIT; } - else if (ctx->Visual.rgbMode && *((GLuint *) ctx->Color.ColorMask) == 0) { - rasterMask |= MULTI_DRAW_BIT; /* all RGBA channels disabled */ - } else if (!ctx->Visual.rgbMode && ctx->Color.IndexMask==0) { rasterMask |= MULTI_DRAW_BIT; /* all color index bits disabled */ } + if (ctx->Visual.rgbMode) { + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (ctx->Color.ColorMask[i][0] + + ctx->Color.ColorMask[i][1] + + ctx->Color.ColorMask[i][2] + + ctx->Color.ColorMask[i][3] == 0) { + rasterMask |= MULTI_DRAW_BIT; /* all RGBA channels disabled */ + break; + } + } + } + + if (ctx->FragmentProgram._Current) { rasterMask |= FRAGPROG_BIT; } diff --git a/src/mesa/swrast/s_masking.c b/src/mesa/swrast/s_masking.c index df779b0739..69c2feb6da 100644 --- a/src/mesa/swrast/s_masking.c +++ b/src/mesa/swrast/s_masking.c @@ -41,7 +41,7 @@ */ void _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, - SWspan *span) + SWspan *span, GLuint buf) { const GLuint n = span->end; void *rbPixels; @@ -58,7 +58,7 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, */ if (span->array->ChanType == GL_UNSIGNED_BYTE) { /* treat 4xGLubyte as 1xGLuint */ - const GLuint srcMask = *((GLuint *) ctx->Color.ColorMask); + const GLuint srcMask = *((GLuint *) ctx->Color.ColorMask[buf]); const GLuint dstMask = ~srcMask; const GLuint *dst = (const GLuint *) rbPixels; GLuint *src = (GLuint *) span->array->rgba8; @@ -70,10 +70,10 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, else if (span->array->ChanType == GL_UNSIGNED_SHORT) { /* 2-byte components */ /* XXX try to use 64-bit arithmetic someday */ - const GLushort rMask = ctx->Color.ColorMask[RCOMP] ? 0xffff : 0x0; - const GLushort gMask = ctx->Color.ColorMask[GCOMP] ? 0xffff : 0x0; - const GLushort bMask = ctx->Color.ColorMask[BCOMP] ? 0xffff : 0x0; - const GLushort aMask = ctx->Color.ColorMask[ACOMP] ? 0xffff : 0x0; + const GLushort rMask = ctx->Color.ColorMask[buf][RCOMP] ? 0xffff : 0x0; + const GLushort gMask = ctx->Color.ColorMask[buf][GCOMP] ? 0xffff : 0x0; + const GLushort bMask = ctx->Color.ColorMask[buf][BCOMP] ? 0xffff : 0x0; + const GLushort aMask = ctx->Color.ColorMask[buf][ACOMP] ? 0xffff : 0x0; const GLushort (*dst)[4] = (const GLushort (*)[4]) rbPixels; GLushort (*src)[4] = span->array->rgba16; GLuint i; @@ -86,10 +86,10 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, } else { /* 4-byte components */ - const GLuint rMask = ctx->Color.ColorMask[RCOMP] ? ~0x0 : 0x0; - const GLuint gMask = ctx->Color.ColorMask[GCOMP] ? ~0x0 : 0x0; - const GLuint bMask = ctx->Color.ColorMask[BCOMP] ? ~0x0 : 0x0; - const GLuint aMask = ctx->Color.ColorMask[ACOMP] ? ~0x0 : 0x0; + const GLuint rMask = ctx->Color.ColorMask[buf][RCOMP] ? ~0x0 : 0x0; + const GLuint gMask = ctx->Color.ColorMask[buf][GCOMP] ? ~0x0 : 0x0; + const GLuint bMask = ctx->Color.ColorMask[buf][BCOMP] ? ~0x0 : 0x0; + const GLuint aMask = ctx->Color.ColorMask[buf][ACOMP] ? ~0x0 : 0x0; const GLuint (*dst)[4] = (const GLuint (*)[4]) rbPixels; GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[FRAG_ATTRIB_COL0]; GLuint i; diff --git a/src/mesa/swrast/s_masking.h b/src/mesa/swrast/s_masking.h index 3260ca34e3..fed47f8cfb 100644 --- a/src/mesa/swrast/s_masking.h +++ b/src/mesa/swrast/s_masking.h @@ -32,7 +32,7 @@ extern void _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, - SWspan *span); + SWspan *span, GLuint buf); extern void diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 00de13d495..a311d4b4bd 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1278,7 +1278,7 @@ void _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) { const SWcontext *swrast = SWRAST_CONTEXT(ctx); - const GLuint colorMask = *((GLuint *) ctx->Color.ColorMask); + const GLuint *colorMask = (GLuint *) ctx->Color.ColorMask; const GLbitfield origInterpMask = span->interpMask; const GLbitfield origArrayMask = span->arrayMask; const GLbitfield origArrayAttribs = span->arrayAttribs; @@ -1389,7 +1389,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) /* We had to wait until now to check for glColorMask(0,0,0,0) because of * the occlusion test. */ - if (colorMask == 0x0) { + if (fb->_NumColorDrawBuffers == 1 && colorMask[0] == 0x0) { /* no colors to write */ goto end; } @@ -1483,8 +1483,8 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) _swrast_blend_span(ctx, rb, span); } - if (colorMask != 0xffffffff) { - _swrast_mask_rgba_span(ctx, rb, span); + if (colorMask[buf] != 0xffffffff) { + _swrast_mask_rgba_span(ctx, rb, span, buf); } if (span->arrayMask & SPAN_XY) { diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c index 5bec606696..11184b72ce 100644 --- a/src/mesa/swrast/s_triangle.c +++ b/src/mesa/swrast/s_triangle.c @@ -1030,10 +1030,10 @@ _swrast_choose_triangle( GLcontext *ctx ) ctx->Depth.Func == GL_LESS && !ctx->Stencil._Enabled) { if ((rgbmode && - ctx->Color.ColorMask[0] == 0 && - ctx->Color.ColorMask[1] == 0 && - ctx->Color.ColorMask[2] == 0 && - ctx->Color.ColorMask[3] == 0) + ctx->Color.ColorMask[0][0] == 0 && + ctx->Color.ColorMask[0][1] == 0 && + ctx->Color.ColorMask[0][2] == 0 && + ctx->Color.ColorMask[0][3] == 0) || (!rgbmode && ctx->Color.IndexMask == 0)) { USE(occlusion_zless_triangle); -- cgit v1.2.3