/**************************************************************************
*
- * 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
* 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.
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
* Brian Paul
* Zack Rusin
*/
+#include <assert.h>
+
#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/stencil.h"
+
/**
* Convert an OpenGL compare mode to a pipe tokens.
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_stencil_alpha(struct st_context *st)
+void
+st_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->DrawBuffer->Visual.depthBits > 0) {
+ if (ctx->Depth.Test) {
+ dsa->depth.enabled = 1;
+ dsa->depth.func = st_compare_func_to_pipe(ctx->Depth.Func);
+ if (dsa->depth.func != PIPE_FUNC_EQUAL)
+ dsa->depth.writemask = ctx->Depth.Mask;
+ }
+ if (ctx->Depth.BoundsTest) {
+ dsa->depth.bounds_test = 1;
+ dsa->depth.bounds_min = ctx->Depth.BoundsMin;
+ dsa->depth.bounds_max = ctx->Depth.BoundsMax;
+ }
+ }
- dsa->depth.enabled = st->ctx->Depth.Test;
- dsa->depth.writemask = st->ctx->Depth.Mask;
- dsa->depth.func = st_compare_func_to_pipe(st->ctx->Depth.Func);
-
- if (st->ctx->Query.CurrentOcclusionObject &&
- st->ctx->Query.CurrentOcclusionObject->Active)
- dsa->depth.occlusion_count = 1;
-
- if (st->ctx->Stencil.Enabled && st->ctx->Visual.stencilBits > 0) {
+ if (ctx->Stencil.Enabled && ctx->DrawBuffer->Visual.stencilBits > 0) {
dsa->stencil[0].enabled = 1;
- dsa->stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
- dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);
- dsa->stencil[0].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[0]);
- dsa->stencil[0].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[0]);
- dsa->stencil[0].ref_value = st->ctx->Stencil.Ref[0] & 0xff;
- dsa->stencil[0].value_mask = st->ctx->Stencil.ValueMask[0] & 0xff;
- dsa->stencil[0].write_mask = st->ctx->Stencil.WriteMask[0] & 0xff;
-
- if (st->ctx->Stencil._TestTwoSide) {
+ 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 (_mesa_stencil_is_two_sided(ctx)) {
+ const GLuint back = ctx->Stencil._BackFace;
dsa->stencil[1].enabled = 1;
- dsa->stencil[1].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[1]);
- dsa->stencil[1].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[1]);
- dsa->stencil[1].zfail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZFailFunc[1]);
- dsa->stencil[1].zpass_op = gl_stencil_op_to_pipe(st->ctx->Stencil.ZPassFunc[1]);
- dsa->stencil[1].ref_value = st->ctx->Stencil.Ref[1] & 0xff;
- dsa->stencil[1].value_mask = st->ctx->Stencil.ValueMask[1] & 0xff;
- dsa->stencil[1].write_mask = st->ctx->Stencil.WriteMask[1] & 0xff;
+ 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 (st->ctx->Color.AlphaEnabled) {
+ if (ctx->Color.AlphaEnabled &&
+ !(ctx->DrawBuffer->_IntegerBuffers & 0x1)) {
dsa->alpha.enabled = 1;
- dsa->alpha.func = st_compare_func_to_pipe(st->ctx->Color.AlphaFunc);
- dsa->alpha.ref = st->ctx->Color.AlphaRef;
+ 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_stencil_alpha = {
- "st_update_depth_stencil", /* name */
- { /* dirty */
- (_NEW_DEPTH|_NEW_STENCIL|_NEW_COLOR), /* mesa */
- 0, /* st */
- },
- update_depth_stencil_alpha /* update */
-};
projects / mesa.git / blobdiff