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authormarha <marha@users.sourceforge.net>2011-03-30 06:43:04 +0000
committermarha <marha@users.sourceforge.net>2011-03-30 06:43:04 +0000
commit2039567395da75a3ae318fb82738cdcf2caa05a1 (patch)
tree23caaf9e0f6867d85f5cffc284d008c591ae99cb /mesalib/src/mesa/state_tracker/st_atom_depth.c
parent24abc56b37a3ec32a03b7eafccd96607ae13ea89 (diff)
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mesa git update 30 Mar 2011
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_depth.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_depth.c320
1 files changed, 160 insertions, 160 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_depth.c b/mesalib/src/mesa/state_tracker/st_atom_depth.c
index e8e8db41d..6c51b1ac1 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_depth.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_depth.c
@@ -1,160 +1,160 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * 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
- * 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>
- * 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"
-
-
-/**
- * Convert an OpenGL compare mode to a pipe tokens.
- */
-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);
- assert(func >= GL_NEVER);
- assert(func <= GL_ALWAYS);
- return func - GL_NEVER;
-}
-
-
-/**
- * Convert GLenum stencil op tokens to pipe tokens.
- */
-static GLuint
-gl_stencil_op_to_pipe(GLenum func)
-{
- 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;
- }
-}
-
-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);
- }
-
- 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] = ctx->Stencil.Ref[0] & 0xff;
-
- 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] = ctx->Stencil.Ref[back] & 0xff;
- }
- 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.AlphaRef;
- }
-
- 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 */
-};
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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
+ * 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>
+ * 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"
+
+
+/**
+ * Convert an OpenGL compare mode to a pipe tokens.
+ */
+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);
+ assert(func >= GL_NEVER);
+ assert(func <= GL_ALWAYS);
+ return func - GL_NEVER;
+}
+
+
+/**
+ * Convert GLenum stencil op tokens to pipe tokens.
+ */
+static GLuint
+gl_stencil_op_to_pipe(GLenum func)
+{
+ 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;
+ }
+}
+
+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);
+ }
+
+ 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] = ctx->Stencil.Ref[0] & 0xff;
+
+ 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] = ctx->Stencil.Ref[back] & 0xff;
+ }
+ 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_stencil_alpha = {
+ "st_update_depth_stencil", /* name */
+ { /* dirty */
+ (_NEW_DEPTH|_NEW_STENCIL|_NEW_COLOR), /* mesa */
+ 0, /* st */
+ },
+ update_depth_stencil_alpha /* update */
+};