/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2007 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "bufferobj.h"
#include "glheader.h"
#include "context.h"
#include "enums.h"
#include "hash.h"
#include "imports.h"
#include "queryobj.h"
#include "mtypes.h"
#include "main/dispatch.h"
/**
* Allocate a new query object. This is a fallback routine called via
* ctx->Driver.NewQueryObject().
* \param ctx - rendering context
* \param id - the new object's ID
* \return pointer to new query_object object or NULL if out of memory.
*/
static struct gl_query_object *
_mesa_new_query_object(struct gl_context *ctx, GLuint id)
{
struct gl_query_object *q = CALLOC_STRUCT(gl_query_object);
(void) ctx;
if (q) {
q->Id = id;
q->Result = 0;
q->Active = GL_FALSE;
/* This is to satisfy the language of the specification: "In the initial
* state of a query object, the result is available" (OpenGL 3.1 §
* 2.13).
*/
q->Ready = GL_TRUE;
/* OpenGL 3.1 § 2.13 says about GenQueries, "These names are marked as
* used, but no object is associated with them until the first time they
* are used by BeginQuery." Since our implementation actually does
* allocate an object at this point, use a flag to indicate that this
* object has not yet been bound so should not be considered a query.
*/
q->EverBound = GL_FALSE;
}
return q;
}
/**
* Begin a query. Software driver fallback.
* Called via ctx->Driver.BeginQuery().
*/
static void
_mesa_begin_query(struct gl_context *ctx, struct gl_query_object *q)
{
ctx->NewState |= _NEW_DEPTH; /* for swrast */
}
/**
* End a query. Software driver fallback.
* Called via ctx->Driver.EndQuery().
*/
static void
_mesa_end_query(struct gl_context *ctx, struct gl_query_object *q)
{
ctx->NewState |= _NEW_DEPTH; /* for swrast */
q->Ready = GL_TRUE;
}
/**
* Wait for query to complete. Software driver fallback.
* Called via ctx->Driver.WaitQuery().
*/
static void
_mesa_wait_query(struct gl_context *ctx, struct gl_query_object *q)
{
/* For software drivers, _mesa_end_query() should have completed the query.
* For real hardware, implement a proper WaitQuery() driver function,
* which may require issuing a flush.
*/
assert(q->Ready);
}
/**
* Check if a query results are ready. Software driver fallback.
* Called via ctx->Driver.CheckQuery().
*/
static void
_mesa_check_query(struct gl_context *ctx, struct gl_query_object *q)
{
/* No-op for sw rendering.
* HW drivers may need to flush at this time.
*/
}
/**
* Delete a query object. Called via ctx->Driver.DeleteQuery().
* Not removed from hash table here.
*/
static void
_mesa_delete_query(struct gl_context *ctx, struct gl_query_object *q)
{
free(q->Label);
free(q);
}
void
_mesa_init_query_object_functions(struct dd_function_table *driver)
{
driver->NewQueryObject = _mesa_new_query_object;
driver->DeleteQuery = _mesa_delete_query;
driver->BeginQuery = _mesa_begin_query;
driver->EndQuery = _mesa_end_query;
driver->WaitQuery = _mesa_wait_query;
driver->CheckQuery = _mesa_check_query;
}
static struct gl_query_object **
get_pipe_stats_binding_point(struct gl_context *ctx,
GLenum target)
{
const int which = target - GL_VERTICES_SUBMITTED_ARB;
assert(which < MAX_PIPELINE_STATISTICS);
if (!_mesa_is_desktop_gl(ctx) ||
!ctx->Extensions.ARB_pipeline_statistics_query)
return NULL;
return &ctx->Query.pipeline_stats[which];
}
/**
* Return pointer to the query object binding point for the given target and
* index.
* \return NULL if invalid target, else the address of binding point
*/
static struct gl_query_object **
get_query_binding_point(struct gl_context *ctx, GLenum target, GLuint index)
{
/* From GL_EXT_occlusion_query_boolean spec:
*
* "Accepted by the <target> parameter of BeginQueryEXT, EndQueryEXT,
* and GetQueryivEXT:
*
* ANY_SAMPLES_PASSED_EXT 0x8C2F
* ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A"
*/
if ((_mesa_is_gles(ctx) && ctx->Version == 20) &&
(target != GL_ANY_SAMPLES_PASSED &&
target != GL_ANY_SAMPLES_PASSED_CONSERVATIVE))
return NULL;
switch (target) {
case GL_SAMPLES_PASSED_ARB:
if (ctx->Extensions.ARB_occlusion_query)
return &ctx->Query.CurrentOcclusionObject;
else
return NULL;
case GL_ANY_SAMPLES_PASSED:
if (ctx->Extensions.ARB_occlusion_query2)
return &ctx->Query.CurrentOcclusionObject;
else
return NULL;
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
if (ctx->Extensions.ARB_ES3_compatibility
|| (ctx->API == API_OPENGLES2 && ctx->Version >= 30))
return &ctx->Query.CurrentOcclusionObject;
else
return NULL;
case GL_TIME_ELAPSED_EXT:
if (ctx->Extensions.EXT_timer_query)
return &ctx->Query.CurrentTimerObject;
else
return NULL;
case GL_PRIMITIVES_GENERATED:
if (ctx->Extensions.EXT_transform_feedback)
return &ctx->Query.PrimitivesGenerated[index];
else
return NULL;
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
if (ctx->Extensions.EXT_transform_feedback)
return &ctx->Query.PrimitivesWritten[index];
else
return NULL;
case GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB:
if (ctx->Extensions.ARB_transform_feedback_overflow_query)
return &ctx->Query.TransformFeedbackOverflow[index];
else
return NULL;
case GL_TRANSFORM_FEEDBACK_OVERFLOW_ARB:
if (ctx->Extensions.ARB_transform_feedback_overflow_query)
return &ctx->Query.TransformFeedbackOverflowAny;
else
return NULL;
case GL_VERTICES_SUBMITTED_ARB:
case GL_PRIMITIVES_SUBMITTED_ARB:
case GL_VERTEX_SHADER_INVOCATIONS_ARB:
case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
return get_pipe_stats_binding_point(ctx, target);
case GL_GEOMETRY_SHADER_INVOCATIONS:
/* GL_GEOMETRY_SHADER_INVOCATIONS is defined in a non-sequential order */
target = GL_VERTICES_SUBMITTED_ARB + MAX_PIPELINE_STATISTICS - 1;
/* fallthrough */
case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
if (_mesa_has_geometry_shaders(ctx))
return get_pipe_stats_binding_point(ctx, target);
else
return NULL;
case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
if (_mesa_has_tessellation(ctx))
return get_pipe_stats_binding_point(ctx, target);
else
return NULL;
case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
if (_mesa_has_compute_shaders(ctx))
return get_pipe_stats_binding_point(ctx, target);
else
return NULL;
default:
return NULL;
}
}
/**
* Create $n query objects and store them in *ids. Make them of type $target
* if dsa is set. Called from _mesa_GenQueries() and _mesa_CreateQueries().
*/
static void
create_queries(struct gl_context *ctx, GLenum target, GLsizei n, GLuint *ids,
bool dsa)
{
const char *func = dsa ? "glGenQueries" : "glCreateQueries";
GLuint first;
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s(%d)\n", func, n);
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(n < 0)", func);
return;
}
first = _mesa_HashFindFreeKeyBlock(ctx->Query.QueryObjects, n);
if (first) {
GLsizei i;
for (i = 0; i < n; i++) {
struct gl_query_object *q
= ctx->Driver.NewQueryObject(ctx, first + i);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
return;
} else if (dsa) {
/* Do the equivalent of binding the buffer with a target */
q->Target = target;
q->EverBound = GL_TRUE;
}
ids[i] = first + i;
_mesa_HashInsertLocked(ctx->Query.QueryObjects, first + i, q);
}
}
}
void GLAPIENTRY
_mesa_GenQueries(GLsizei n, GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
create_queries(ctx, 0, n, ids, false);
}
void GLAPIENTRY
_mesa_CreateQueries(GLenum target, GLsizei n, GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
switch (target) {
case GL_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
case GL_TIME_ELAPSED:
case GL_TIMESTAMP:
case GL_PRIMITIVES_GENERATED:
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
case GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB:
case GL_TRANSFORM_FEEDBACK_OVERFLOW_ARB:
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glCreateQueries(invalid target = %s)",
_mesa_enum_to_string(target));
return;
}
create_queries(ctx, target, n, ids, true);
}
void GLAPIENTRY
_mesa_DeleteQueries(GLsizei n, const GLuint *ids)
{
GLint i;
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glDeleteQueries(%d)\n", n);
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteQueriesARB(n < 0)");
return;
}
for (i = 0; i < n; i++) {
if (ids[i] > 0) {
struct gl_query_object *q = _mesa_lookup_query_object(ctx, ids[i]);
if (q) {
if (q->Active) {
struct gl_query_object **bindpt;
bindpt = get_query_binding_point(ctx, q->Target, q->Stream);
assert(bindpt); /* Should be non-null for active q. */
if (bindpt) {
*bindpt = NULL;
}
q->Active = GL_FALSE;
ctx->Driver.EndQuery(ctx, q);
}
_mesa_HashRemoveLocked(ctx->Query.QueryObjects, ids[i]);
ctx->Driver.DeleteQuery(ctx, q);
}
}
}
}
GLboolean GLAPIENTRY
_mesa_IsQuery(GLuint id)
{
struct gl_query_object *q;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glIsQuery(%u)\n", id);
if (id == 0)
return GL_FALSE;
q = _mesa_lookup_query_object(ctx, id);
if (q == NULL)
return GL_FALSE;
return q->EverBound;
}
static GLboolean
query_error_check_index(struct gl_context *ctx, GLenum target, GLuint index)
{
switch (target) {
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
case GL_PRIMITIVES_GENERATED:
case GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB:
if (index >= ctx->Const.MaxVertexStreams) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glBeginQueryIndexed(index>=MaxVertexStreams)");
return GL_FALSE;
}
break;
default:
if (index > 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBeginQueryIndexed(index>0)");
return GL_FALSE;
}
}
return GL_TRUE;
}
void GLAPIENTRY
_mesa_BeginQueryIndexed(GLenum target, GLuint index, GLuint id)
{
struct gl_query_object *q, **bindpt;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBeginQueryIndexed(%s, %u, %u)\n",
_mesa_enum_to_string(target), index, id);
if (!query_error_check_index(ctx, target, index))
return;
FLUSH_VERTICES(ctx, 0);
bindpt = get_query_binding_point(ctx, target, index);
if (!bindpt) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBeginQuery{Indexed}(target)");
return;
}
/* From the GL_ARB_occlusion_query spec:
*
* "If BeginQueryARB is called while another query is already in
* progress with the same target, an INVALID_OPERATION error is
* generated."
*/
if (*bindpt) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQuery{Indexed}(target=%s is active)",
_mesa_enum_to_string(target));
return;
}
if (id == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQuery{Indexed}(id==0)");
return;
}
q = _mesa_lookup_query_object(ctx, id);
if (!q) {
if (ctx->API != API_OPENGL_COMPAT) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQuery{Indexed}(non-gen name)");
return;
} else {
/* create new object */
q = ctx->Driver.NewQueryObject(ctx, id);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBeginQuery{Indexed}");
return;
}
_mesa_HashInsertLocked(ctx->Query.QueryObjects, id, q);
}
}
else {
/* pre-existing object */
if (q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQuery{Indexed}(query already active)");
return;
}
/* Section 2.14 Asynchronous Queries, page 84 of the OpenGL ES 3.0.4
* spec states:
*
* "BeginQuery generates an INVALID_OPERATION error if any of the
* following conditions hold: [...] id is the name of an
* existing query object whose type does not match target; [...]
*
* Similar wording exists in the OpenGL 4.5 spec, section 4.2. QUERY
* OBJECTS AND ASYNCHRONOUS QUERIES, page 43.
*/
if (q->EverBound && q->Target != target) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBeginQuery{Indexed}(target mismatch)");
return;
}
}
/* This possibly changes the target of a buffer allocated by
* CreateQueries. Issue 39) in the ARB_direct_state_access extension states
* the following:
*
* "CreateQueries adds a <target>, so strictly speaking the <target>
* command isn't needed for BeginQuery/EndQuery, but in the end, this also
* isn't a selector, so we decided not to change it."
*
* Updating the target of the query object should be acceptable, so let's
* do that.
*/
q->Target = target;
q->Active = GL_TRUE;
q->Result = 0;
q->Ready = GL_FALSE;
q->EverBound = GL_TRUE;
q->Stream = index;
/* XXX should probably refcount query objects */
*bindpt = q;
ctx->Driver.BeginQuery(ctx, q);
}
void GLAPIENTRY
_mesa_EndQueryIndexed(GLenum target, GLuint index)
{
struct gl_query_object *q, **bindpt;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glEndQueryIndexed(%s, %u)\n",
_mesa_enum_to_string(target), index);
if (!query_error_check_index(ctx, target, index))
return;
FLUSH_VERTICES(ctx, 0);
bindpt = get_query_binding_point(ctx, target, index);
if (!bindpt) {
_mesa_error(ctx, GL_INVALID_ENUM, "glEndQuery{Indexed}(target)");
return;
}
/* XXX should probably refcount query objects */
q = *bindpt;
/* Check for GL_ANY_SAMPLES_PASSED vs GL_SAMPLES_PASSED. */
if (q && q->Target != target) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEndQuery(target=%s with active query of target %s)",
_mesa_enum_to_string(target),
_mesa_enum_to_string(q->Target));
return;
}
*bindpt = NULL;
if (!q || !q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEndQuery{Indexed}(no matching glBeginQuery{Indexed})");
return;
}
q->Active = GL_FALSE;
ctx->Driver.EndQuery(ctx, q);
}
void GLAPIENTRY
_mesa_BeginQuery(GLenum target, GLuint id)
{
_mesa_BeginQueryIndexed(target, 0, id);
}
void GLAPIENTRY
_mesa_EndQuery(GLenum target)
{
_mesa_EndQueryIndexed(target, 0);
}
void GLAPIENTRY
_mesa_QueryCounter(GLuint id, GLenum target)
{
struct gl_query_object *q;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glQueryCounter(%u, %s)\n", id,
_mesa_enum_to_string(target));
/* error checking */
if (target != GL_TIMESTAMP) {
_mesa_error(ctx, GL_INVALID_ENUM, "glQueryCounter(target)");
return;
}
if (id == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glQueryCounter(id==0)");
return;
}
q = _mesa_lookup_query_object(ctx, id);
if (!q) {
/* XXX the Core profile should throw INVALID_OPERATION here */
/* create new object */
q = ctx->Driver.NewQueryObject(ctx, id);
if (!q) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glQueryCounter");
return;
}
_mesa_HashInsertLocked(ctx->Query.QueryObjects, id, q);
}
else {
if (q->Target && q->Target != GL_TIMESTAMP) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glQueryCounter(id has an invalid target)");
return;
}
}
if (q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glQueryCounter(id is active)");
return;
}
/* This possibly changes the target of a buffer allocated by
* CreateQueries. Issue 39) in the ARB_direct_state_access extension states
* the following:
*
* "CreateQueries adds a <target>, so strictly speaking the <target>
* command isn't needed for BeginQuery/EndQuery, but in the end, this also
* isn't a selector, so we decided not to change it."
*
* Updating the target of the query object should be acceptable, so let's
* do that.
*/
q->Target = target;
q->Result = 0;
q->Ready = GL_FALSE;
q->EverBound = GL_TRUE;
if (ctx->Driver.QueryCounter) {
ctx->Driver.QueryCounter(ctx, q);
} else {
/* QueryCounter is implemented using EndQuery without BeginQuery
* in drivers. This is actually Direct3D and Gallium convention.
*/
ctx->Driver.EndQuery(ctx, q);
}
}
void GLAPIENTRY
_mesa_GetQueryIndexediv(GLenum target, GLuint index, GLenum pname,
GLint *params)
{
struct gl_query_object *q = NULL, **bindpt = NULL;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glGetQueryIndexediv(%s, %u, %s)\n",
_mesa_enum_to_string(target),
index,
_mesa_enum_to_string(pname));
if (!query_error_check_index(ctx, target, index))
return;
/* From the GL_EXT_occlusion_query_boolean spec:
*
* "The error INVALID_ENUM is generated if GetQueryivEXT is called where
* <pname> is not CURRENT_QUERY_EXT."
*
* Same rule is present also in ES 3.2 spec.
*/
if (_mesa_is_gles(ctx) && pname != GL_CURRENT_QUERY) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivEXT(%s)",
_mesa_enum_to_string(pname));
return;
}
if (target == GL_TIMESTAMP) {
if (!ctx->Extensions.ARB_timer_query) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
return;
}
}
else {
bindpt = get_query_binding_point(ctx, target, index);
if (!bindpt) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQuery{Indexed}iv(target)");
return;
}
q = *bindpt;
}
switch (pname) {
case GL_QUERY_COUNTER_BITS_ARB:
switch (target) {
case GL_SAMPLES_PASSED:
*params = ctx->Const.QueryCounterBits.SamplesPassed;
break;
case GL_ANY_SAMPLES_PASSED:
/* The minimum value of this is 1 if it's nonzero, and the value
* is only ever GL_TRUE or GL_FALSE, so no sense in reporting more
* bits.
*/
*params = 1;
break;
case GL_TIME_ELAPSED:
*params = ctx->Const.QueryCounterBits.TimeElapsed;
break;
case GL_TIMESTAMP:
*params = ctx->Const.QueryCounterBits.Timestamp;
break;
case GL_PRIMITIVES_GENERATED:
*params = ctx->Const.QueryCounterBits.PrimitivesGenerated;
break;
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
*params = ctx->Const.QueryCounterBits.PrimitivesWritten;
break;
case GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW_ARB:
case GL_TRANSFORM_FEEDBACK_OVERFLOW_ARB:
/* The minimum value of this is 1 if it's nonzero, and the value
* is only ever GL_TRUE or GL_FALSE, so no sense in reporting more
* bits.
*/
*params = 1;
break;
case GL_VERTICES_SUBMITTED_ARB:
*params = ctx->Const.QueryCounterBits.VerticesSubmitted;
break;
case GL_PRIMITIVES_SUBMITTED_ARB:
*params = ctx->Const.QueryCounterBits.PrimitivesSubmitted;
break;
case GL_VERTEX_SHADER_INVOCATIONS_ARB:
*params = ctx->Const.QueryCounterBits.VsInvocations;
break;
case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
*params = ctx->Const.QueryCounterBits.TessPatches;
break;
case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
*params = ctx->Const.QueryCounterBits.TessInvocations;
break;
case GL_GEOMETRY_SHADER_INVOCATIONS:
*params = ctx->Const.QueryCounterBits.GsInvocations;
break;
case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
*params = ctx->Const.QueryCounterBits.GsPrimitives;
break;
case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
*params = ctx->Const.QueryCounterBits.FsInvocations;
break;
case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
*params = ctx->Const.QueryCounterBits.ComputeInvocations;
break;
case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
*params = ctx->Const.QueryCounterBits.ClInPrimitives;
break;
case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
*params = ctx->Const.QueryCounterBits.ClOutPrimitives;
break;
default:
_mesa_problem(ctx,
"Unknown target in glGetQueryIndexediv(target = %s)",
_mesa_enum_to_string(target));
*params = 0;
break;
}
break;
case GL_CURRENT_QUERY_ARB:
*params = (q && q->Target == target) ? q->Id : 0;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetQuery{Indexed}iv(pname)");
return;
}
}
void GLAPIENTRY
_mesa_GetQueryiv(GLenum target, GLenum pname, GLint *params)
{
_mesa_GetQueryIndexediv(target, 0, pname, params);
}
static void
get_query_object(struct gl_context *ctx, const char *func,
GLuint id, GLenum pname, GLenum ptype,
struct gl_buffer_object *buf, intptr_t offset)
{
struct gl_query_object *q = NULL;
uint64_t value;
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s(%u, %s)\n", func, id,
_mesa_enum_to_string(pname));
if (id)
q = _mesa_lookup_query_object(ctx, id);
if (!q || q->Active || !q->EverBound) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(id=%d is invalid or active)", func, id);
return;
}
/* From GL_EXT_occlusion_query_boolean spec:
*
* "Accepted by the <pname> parameter of GetQueryObjectivEXT and
* GetQueryObjectuivEXT:
*
* QUERY_RESULT_EXT 0x8866
* QUERY_RESULT_AVAILABLE_EXT 0x8867"
*
* Same rule is present also in ES 3.2 spec.
*/
if (_mesa_is_gles(ctx) &&
(pname != GL_QUERY_RESULT && pname != GL_QUERY_RESULT_AVAILABLE)) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s(%s)", func,
_mesa_enum_to_string(pname));
return;
}
if (buf && buf != ctx->Shared->NullBufferObj) {
bool is_64bit = ptype == GL_INT64_ARB ||
ptype == GL_UNSIGNED_INT64_ARB;
if (!ctx->Extensions.ARB_query_buffer_object &&
!ctx->Extensions.EXT_disjoint_timer_query) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(not supported)", func);
return;
}
if (buf->Size < offset + 4 * (is_64bit ? 2 : 1)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(out of bounds)", func);
return;
}
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(offset is negative)", func);
return;
}
switch (pname) {
case GL_QUERY_RESULT:
case GL_QUERY_RESULT_NO_WAIT:
case GL_QUERY_RESULT_AVAILABLE:
case GL_QUERY_TARGET:
ctx->Driver.StoreQueryResult(ctx, q, buf, offset, pname, ptype);
return;
}
/* fall through to get error below */
}
switch (pname) {
case GL_QUERY_RESULT:
if (!q->Ready)
ctx->Driver.WaitQuery(ctx, q);
value = q->Result;
break;
case GL_QUERY_RESULT_NO_WAIT:
if (!ctx->Extensions.ARB_query_buffer_object)
goto invalid_enum;
ctx->Driver.CheckQuery(ctx, q);
if (!q->Ready)
return;
value = q->Result;
break;
case GL_QUERY_RESULT_AVAILABLE:
if (!q->Ready)
ctx->Driver.CheckQuery(ctx, q);
value = q->Ready;
break;
case GL_QUERY_TARGET:
value = q->Target;
break;
default:
invalid_enum:
_mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)",
func, _mesa_enum_to_string(pname));
return;
}
switch (ptype) {
case GL_INT: {
GLint *param = (GLint *)offset;
if (value > 0x7fffffff)
*param = 0x7fffffff;
else
*param = value;
break;
}
case GL_UNSIGNED_INT: {
GLuint *param = (GLuint *)offset;
if (value > 0xffffffff)
*param = 0xffffffff;
else
*param = value;
break;
}
case GL_INT64_ARB:
case GL_UNSIGNED_INT64_ARB: {
GLuint64EXT *param = (GLuint64EXT *)offset;
*param = value;
break;
}
default:
unreachable("unexpected ptype");
}
}
void GLAPIENTRY
_mesa_GetQueryObjectiv(GLuint id, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
get_query_object(ctx, "glGetQueryObjectiv",
id, pname, GL_INT, ctx->QueryBuffer, (intptr_t)params);
}
void GLAPIENTRY
_mesa_GetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params)
{
GET_CURRENT_CONTEXT(ctx);
get_query_object(ctx, "glGetQueryObjectuiv",
id, pname, GL_UNSIGNED_INT,
ctx->QueryBuffer, (intptr_t)params);
}
/**
* New with GL_EXT_timer_query
*/
void GLAPIENTRY
_mesa_GetQueryObjecti64v(GLuint id, GLenum pname, GLint64EXT *params)
{
GET_CURRENT_CONTEXT(ctx);
get_query_object(ctx, "glGetQueryObjecti64v",
id, pname, GL_INT64_ARB,
ctx->QueryBuffer, (intptr_t)params);
}
/**
* New with GL_EXT_timer_query
*/
void GLAPIENTRY
_mesa_GetQueryObjectui64v(GLuint id, GLenum pname, GLuint64EXT *params)
{
GET_CURRENT_CONTEXT(ctx);
get_query_object(ctx, "glGetQueryObjectui64v",
id, pname, GL_UNSIGNED_INT64_ARB,
ctx->QueryBuffer, (intptr_t)params);
}
/**
* New with GL_ARB_query_buffer_object
*/
void GLAPIENTRY
_mesa_GetQueryBufferObjectiv(GLuint id, GLuint buffer, GLenum pname,
GLintptr offset)
{
struct gl_buffer_object *buf;
GET_CURRENT_CONTEXT(ctx);
buf = _mesa_lookup_bufferobj_err(ctx, buffer, "glGetQueryBufferObjectiv");
if (!buf)
return;
get_query_object(ctx, "glGetQueryBufferObjectiv",
id, pname, GL_INT, buf, offset);
}
void GLAPIENTRY
_mesa_GetQueryBufferObjectuiv(GLuint id, GLuint buffer, GLenum pname,
GLintptr offset)
{
struct gl_buffer_object *buf;
GET_CURRENT_CONTEXT(ctx);
buf = _mesa_lookup_bufferobj_err(ctx, buffer, "glGetQueryBufferObjectuiv");
if (!buf)
return;
get_query_object(ctx, "glGetQueryBufferObjectuiv",
id, pname, GL_UNSIGNED_INT, buf, offset);
}
void GLAPIENTRY
_mesa_GetQueryBufferObjecti64v(GLuint id, GLuint buffer, GLenum pname,
GLintptr offset)
{
struct gl_buffer_object *buf;
GET_CURRENT_CONTEXT(ctx);
buf = _mesa_lookup_bufferobj_err(ctx, buffer, "glGetQueryBufferObjecti64v");
if (!buf)
return;
get_query_object(ctx, "glGetQueryBufferObjecti64v",
id, pname, GL_INT64_ARB, buf, offset);
}
void GLAPIENTRY
_mesa_GetQueryBufferObjectui64v(GLuint id, GLuint buffer, GLenum pname,
GLintptr offset)
{
struct gl_buffer_object *buf;
GET_CURRENT_CONTEXT(ctx);
buf = _mesa_lookup_bufferobj_err(ctx, buffer, "glGetQueryBufferObjectui64v");
if (!buf)
return;
get_query_object(ctx, "glGetQueryBufferObjectui64v",
id, pname, GL_UNSIGNED_INT64_ARB, buf, offset);
}
/**
* Allocate/init the context state related to query objects.
*/
void
_mesa_init_queryobj(struct gl_context *ctx)
{
ctx->Query.QueryObjects = _mesa_NewHashTable();
ctx->Query.CurrentOcclusionObject = NULL;
ctx->Const.QueryCounterBits.SamplesPassed = 64;
ctx->Const.QueryCounterBits.TimeElapsed = 64;
ctx->Const.QueryCounterBits.Timestamp = 64;
ctx->Const.QueryCounterBits.PrimitivesGenerated = 64;
ctx->Const.QueryCounterBits.PrimitivesWritten = 64;
ctx->Const.QueryCounterBits.VerticesSubmitted = 64;
ctx->Const.QueryCounterBits.PrimitivesSubmitted = 64;
ctx->Const.QueryCounterBits.VsInvocations = 64;
ctx->Const.QueryCounterBits.TessPatches = 64;
ctx->Const.QueryCounterBits.TessInvocations = 64;
ctx->Const.QueryCounterBits.GsInvocations = 64;
ctx->Const.QueryCounterBits.GsPrimitives = 64;
ctx->Const.QueryCounterBits.FsInvocations = 64;
ctx->Const.QueryCounterBits.ComputeInvocations = 64;
ctx->Const.QueryCounterBits.ClInPrimitives = 64;
ctx->Const.QueryCounterBits.ClOutPrimitives = 64;
}
/**
* Callback for deleting a query object. Called by _mesa_HashDeleteAll().
*/
static void
delete_queryobj_cb(GLuint id, void *data, void *userData)
{
struct gl_query_object *q= (struct gl_query_object *) data;
struct gl_context *ctx = (struct gl_context *)userData;
ctx->Driver.DeleteQuery(ctx, q);
}
/**
* Free the context state related to query objects.
*/
void
_mesa_free_queryobj_data(struct gl_context *ctx)
{
_mesa_HashDeleteAll(ctx->Query.QueryObjects, delete_queryobj_cb, ctx);
_mesa_DeleteHashTable(ctx->Query.QueryObjects);
}