X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_depth.c;h=c4bca8d09b5e3ad0bba11dc8c74c2c8d97cbf45f;hb=ca9ab05d45ebf407485af2daa3742b897ff99162;hp=a1523e06c21844913bf655e0caf6f779a805d6d3;hpb=efe6c50089e945902917c8091c92ce3a6155caac;p=mesa.git diff --git a/src/mesa/state_tracker/st_atom_depth.c b/src/mesa/state_tracker/st_atom_depth.c index a1523e06c21..c4bca8d09b5 100644 --- a/src/mesa/state_tracker/st_atom_depth.c +++ b/src/mesa/state_tracker/st_atom_depth.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2007 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,7 +18,7 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. @@ -27,62 +27,137 @@ /* * Authors: - * Keith Whitwell + * Keith Whitwell * Brian Paul + * Zack Rusin */ +#include + #include "st_context.h" #include "st_atom.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" +#include "cso_cache/cso_context.h" + +#include "main/core.h" +#include "main/stencil.h" /** - * Convert GLenum depth func tokens to pipe tokens. + * Convert an OpenGL compare mode to a pipe tokens. */ -static GLuint -gl_depth_func_to_sp(GLenum func) +GLuint +st_compare_func_to_pipe(GLenum func) { /* Same values, just biased */ - assert(PIPE_FUNC_NEVER == GL_NEVER - GL_NEVER); - assert(PIPE_FUNC_LESS == GL_LESS - GL_NEVER); - assert(PIPE_FUNC_EQUAL == GL_EQUAL - GL_NEVER); - assert(PIPE_FUNC_LEQUAL == GL_LEQUAL - GL_NEVER); - assert(PIPE_FUNC_GREATER == GL_GREATER - GL_NEVER); - assert(PIPE_FUNC_NOTEQUAL == GL_NOTEQUAL - GL_NEVER); - assert(PIPE_FUNC_GEQUAL == GL_GEQUAL - GL_NEVER); - assert(PIPE_FUNC_ALWAYS == GL_ALWAYS - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_NEVER == GL_NEVER - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_LESS == GL_LESS - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_EQUAL == GL_EQUAL - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_LEQUAL == GL_LEQUAL - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_GREATER == GL_GREATER - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_NOTEQUAL == GL_NOTEQUAL - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_GEQUAL == GL_GEQUAL - GL_NEVER); + STATIC_ASSERT(PIPE_FUNC_ALWAYS == GL_ALWAYS - GL_NEVER); assert(func >= GL_NEVER); assert(func <= GL_ALWAYS); return func - GL_NEVER; } -static void -update_depth( struct st_context *st ) +/** + * Convert GLenum stencil op tokens to pipe tokens. + */ +static GLuint +gl_stencil_op_to_pipe(GLenum func) { - struct pipe_depth_state depth; + switch (func) { + case GL_KEEP: + return PIPE_STENCIL_OP_KEEP; + case GL_ZERO: + return PIPE_STENCIL_OP_ZERO; + case GL_REPLACE: + return PIPE_STENCIL_OP_REPLACE; + case GL_INCR: + return PIPE_STENCIL_OP_INCR; + case GL_DECR: + return PIPE_STENCIL_OP_DECR; + case GL_INCR_WRAP: + return PIPE_STENCIL_OP_INCR_WRAP; + case GL_DECR_WRAP: + return PIPE_STENCIL_OP_DECR_WRAP; + case GL_INVERT: + return PIPE_STENCIL_OP_INVERT; + default: + assert("invalid GL token in gl_stencil_op_to_pipe()" == NULL); + return 0; + } +} - memset(&depth, 0, sizeof(depth)); +static void +update_depth_stencil_alpha(struct st_context *st) +{ + struct pipe_depth_stencil_alpha_state *dsa = &st->state.depth_stencil; + struct pipe_stencil_ref sr; + struct gl_context *ctx = st->ctx; + + memset(dsa, 0, sizeof(*dsa)); + memset(&sr, 0, sizeof(sr)); + + if (ctx->Depth.Test && ctx->DrawBuffer->Visual.depthBits > 0) { + dsa->depth.enabled = 1; + dsa->depth.writemask = ctx->Depth.Mask; + dsa->depth.func = st_compare_func_to_pipe(ctx->Depth.Func); + } - depth.enabled = st->ctx->Depth.Test; - depth.writemask = st->ctx->Depth.Mask; - depth.func = gl_depth_func_to_sp(st->ctx->Depth.Func); - depth.clear = st->ctx->Depth.Clear; + if (ctx->Stencil.Enabled && ctx->DrawBuffer->Visual.stencilBits > 0) { + dsa->stencil[0].enabled = 1; + dsa->stencil[0].func = st_compare_func_to_pipe(ctx->Stencil.Function[0]); + dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(ctx->Stencil.FailFunc[0]); + dsa->stencil[0].zfail_op = gl_stencil_op_to_pipe(ctx->Stencil.ZFailFunc[0]); + dsa->stencil[0].zpass_op = gl_stencil_op_to_pipe(ctx->Stencil.ZPassFunc[0]); + dsa->stencil[0].valuemask = ctx->Stencil.ValueMask[0] & 0xff; + dsa->stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff; + sr.ref_value[0] = _mesa_get_stencil_ref(ctx, 0); - if (memcmp(&depth, &st->state.depth, sizeof(depth)) != 0) { - /* state has changed */ - st->state.depth = depth; /* struct copy */ - st->pipe->set_depth_state(st->pipe, &depth); /* set new state */ + if (ctx->Stencil._TestTwoSide) { + const GLuint back = ctx->Stencil._BackFace; + dsa->stencil[1].enabled = 1; + dsa->stencil[1].func = st_compare_func_to_pipe(ctx->Stencil.Function[back]); + dsa->stencil[1].fail_op = gl_stencil_op_to_pipe(ctx->Stencil.FailFunc[back]); + dsa->stencil[1].zfail_op = gl_stencil_op_to_pipe(ctx->Stencil.ZFailFunc[back]); + dsa->stencil[1].zpass_op = gl_stencil_op_to_pipe(ctx->Stencil.ZPassFunc[back]); + dsa->stencil[1].valuemask = ctx->Stencil.ValueMask[back] & 0xff; + dsa->stencil[1].writemask = ctx->Stencil.WriteMask[back] & 0xff; + sr.ref_value[1] = _mesa_get_stencil_ref(ctx, back); + } + else { + /* This should be unnecessary. Drivers must not expect this to + * contain valid data, except the enabled bit + */ + dsa->stencil[1] = dsa->stencil[0]; + dsa->stencil[1].enabled = 0; + sr.ref_value[1] = sr.ref_value[0]; + } } + + if (ctx->Color.AlphaEnabled) { + dsa->alpha.enabled = 1; + dsa->alpha.func = st_compare_func_to_pipe(ctx->Color.AlphaFunc); + dsa->alpha.ref_value = ctx->Color.AlphaRefUnclamped; + } + + cso_set_depth_stencil_alpha(st->cso_context, dsa); + cso_set_stencil_ref(st->cso_context, &sr); } -const struct st_tracked_state st_update_depth = { - .dirty = { - .mesa = (_NEW_DEPTH), - .st = 0, +const struct st_tracked_state st_update_depth_stencil_alpha = { + "st_update_depth_stencil", /* name */ + { /* dirty */ + (_NEW_DEPTH|_NEW_STENCIL|_NEW_COLOR|_NEW_BUFFERS),/* mesa */ + 0, /* st */ }, - .update = update_depth + update_depth_stencil_alpha /* update */ };