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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/occlude.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/main/occlude.c353
1 files changed, 0 insertions, 353 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/occlude.c b/nx-X11/extras/Mesa/src/mesa/main/occlude.c
deleted file mode 100644
index bc61a475d..000000000
--- a/nx-X11/extras/Mesa/src/mesa/main/occlude.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.0.2
- *
- * Copyright (C) 1999-2004 Brian Paul 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, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- */
-
-
-/*
- * Functions to implement the GL_ARB_occlusion_query extension.
- */
-
-
-#include "glheader.h"
-#include "context.h"
-#include "hash.h"
-#include "imports.h"
-#include "occlude.h"
-#include "mtypes.h"
-
-
-struct occlusion_query
-{
- GLenum Target;
- GLuint Id;
- GLuint PassedCounter;
- GLboolean Active;
-};
-
-
-/**
- * Allocate a new occlusion query object.
- * \param target - must be GL_SAMPLES_PASSED_ARB at this time
- * \param id - the object's ID
- * \return pointer to new occlusion_query object or NULL if out of memory.
- */
-static struct occlusion_query *
-new_query_object(GLenum target, GLuint id)
-{
- struct occlusion_query *q = MALLOC_STRUCT(occlusion_query);
- if (q) {
- q->Target = target;
- q->Id = id;
- q->PassedCounter = 0;
- q->Active = GL_FALSE;
- }
- return q;
-}
-
-
-/**
- * Delete an occlusion query object.
- */
-static void
-delete_query_object(struct occlusion_query *q)
-{
- FREE(q);
-}
-
-
-void GLAPIENTRY
-_mesa_GenQueriesARB(GLsizei n, GLuint *ids)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenQueriesARB(n < 0)");
- return;
- }
-
- if (ctx->Occlusion.Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGenQueriesARB");
- return;
- }
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Occlusion.QueryObjects, n);
- if (first) {
- GLsizei i;
- for (i = 0; i < n; i++) {
- struct occlusion_query *q = new_query_object(GL_SAMPLES_PASSED_ARB,
- first + i);
- if (!q) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenQueriesARB");
- return;
- }
- ids[i] = first + i;
- _mesa_HashInsert(ctx->Occlusion.QueryObjects, first + i, q);
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_DeleteQueriesARB(GLsizei n, const GLuint *ids)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteQueriesARB(n < 0)");
- return;
- }
-
- if (ctx->Occlusion.Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteQueriesARB");
- return;
- }
-
- for (i = 0; i < n; i++) {
- if (ids[i] > 0) {
- struct occlusion_query *q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects, ids[i]);
- if (q) {
- _mesa_HashRemove(ctx->Occlusion.QueryObjects, ids[i]);
- delete_query_object(q);
- }
- }
- }
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsQueryARB(GLuint id)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (id && _mesa_HashLookup(ctx->Occlusion.QueryObjects, id))
- return GL_TRUE;
- else
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_BeginQueryARB(GLenum target, GLuint id)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct occlusion_query *q;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
-
- if (target != GL_SAMPLES_PASSED_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
- return;
- }
-
- if (id == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(id==0)");
- return;
- }
-
- if (ctx->Occlusion.CurrentQueryObject) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB(target)");
- return;
- }
-
- q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
- if (q && q->Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB");
- return;
- }
- else if (!q) {
- q = new_query_object(target, id);
- if (!q) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQueryARB");
- return;
- }
- _mesa_HashInsert(ctx->Occlusion.QueryObjects, id, q);
- }
-
- q->Active = GL_TRUE;
- q->PassedCounter = 0;
- ctx->Occlusion.Active = GL_TRUE;
- ctx->Occlusion.CurrentQueryObject = id;
- ctx->Occlusion.PassedCounter = 0;
-}
-
-
-void GLAPIENTRY
-_mesa_EndQueryARB(GLenum target)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct occlusion_query *q = NULL;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
-
- if (target != GL_SAMPLES_PASSED_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
- }
-
- if (ctx->Occlusion.CurrentQueryObject)
- q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects,
- ctx->Occlusion.CurrentQueryObject);
- if (!q || !q->Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glEndQuery with no glBeginQuery");
- return;
- }
-
- q->PassedCounter = ctx->Occlusion.PassedCounter;
- q->Active = GL_FALSE;
- ctx->Occlusion.Active = GL_FALSE;
- ctx->Occlusion.CurrentQueryObject = 0;
-}
-
-
-void GLAPIENTRY
-_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_SAMPLES_PASSED_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)");
- return;
- }
-
- switch (pname) {
- case GL_QUERY_COUNTER_BITS_ARB:
- *params = 8 * sizeof(GLuint);
- break;
- case GL_CURRENT_QUERY_ARB:
- *params = ctx->Occlusion.CurrentQueryObject;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(pname)");
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GetQueryObjectivARB(GLuint id, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct occlusion_query *q = NULL;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (id)
- q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
-
- if (!q || q->Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectivARB(id=%d)", id);
- return;
- }
-
- switch (pname) {
- case GL_QUERY_RESULT_ARB:
- *params = q->PassedCounter;
- break;
- case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
- *params = GL_TRUE;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectivARB(pname)");
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GetQueryObjectuivARB(GLuint id, GLenum pname, GLuint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct occlusion_query *q = NULL;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (id)
- q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects, id);
- if (!q || q->Active) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetQueryObjectuivARB(id=%d", id);
- return;
- }
-
- switch (pname) {
- case GL_QUERY_RESULT_ARB:
- *params = q->PassedCounter;
- break;
- case GL_QUERY_RESULT_AVAILABLE_ARB:
- /* XXX revisit when we have a hardware implementation! */
- *params = GL_TRUE;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryObjectuivARB(pname)");
- return;
- }
-}
-
-
-
-/**
- * Allocate/init the context state related to occlusion query objects.
- */
-void
-_mesa_init_occlude(GLcontext *ctx)
-{
-#if FEATURE_ARB_occlusion_query
- ctx->Occlusion.QueryObjects = _mesa_NewHashTable();
-#endif
- ctx->OcclusionResult = GL_FALSE;
- ctx->OcclusionResultSaved = GL_FALSE;
-}
-
-
-/**
- * Free the context state related to occlusion query objects.
- */
-void
-_mesa_free_occlude_data(GLcontext *ctx)
-{
- while (1) {
- GLuint query = _mesa_HashFirstEntry(ctx->Occlusion.QueryObjects);
- if (query) {
- struct occlusion_query *q = (struct occlusion_query *)
- _mesa_HashLookup(ctx->Occlusion.QueryObjects, query);
- ASSERT(q);
- delete_query_object(q);
- _mesa_HashRemove(ctx->Occlusion.QueryObjects, query);
- }
- else {
- break;
- }
- }
- _mesa_DeleteHashTable(ctx->Occlusion.QueryObjects);
-}
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