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dri: Add a flush control extension

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This advertises that the driver can accept a new context attribute
__DRI_CTX_ATTRIB_RELEASE_BEHAVIOR.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Neil Roberts
2014-10-01 20:00:47 +01:00
committed by Adam Jackson
parent 6d87500fe1
commit b89067c84f
3 changed files with 46 additions and 2 deletions
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25
include/GL/internal/dri_interface.h
View File

@@ -1106,6 +1106,16 @@ struct __DRIdri2LoaderExtensionRec {
#define __DRI_CTX_PRIORITY_MEDIUM 1
#define __DRI_CTX_PRIORITY_HIGH 2
/**
* \name Context release behaviors.
*/
/*@{*/
#define __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR 5
#define __DRI_CTX_RELEASE_BEHAVIOR_NONE 0
#define __DRI_CTX_RELEASE_BEHAVIOR_FLUSH 1
/*@}*/
/**
* \name Reasons that __DRIdri2Extension::createContextAttribs might fail
*/
@@ -1715,6 +1725,21 @@ typedef struct __DRInoErrorExtensionRec {
__DRIextension base;
} __DRInoErrorExtension;
/*
* Flush control driver extension.
*
* Existence of this extension means the driver can accept the
* \c __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR attribute in
* \c __DRIdri2ExtensionRec::createContextAttribs.
*/
#define __DRI2_FLUSH_CONTROL "DRI_FlushControl"
#define __DRI2_FLUSH_CONTROL_VERSION 1
typedef struct __DRI2flushControlExtensionRec __DRI2flushControlExtension;
struct __DRI2flushControlExtensionRec {
__DRIextension base;
};
/**
* DRI config options extension.
*

14
src/mesa/drivers/dri/common/dri_util.c
View File

@@ -361,6 +361,16 @@ driCreateContextAttribs(__DRIscreen *screen, int api,
ctx_config.attribute_mask |= __DRIVER_CONTEXT_ATTRIB_PRIORITY;
ctx_config.priority = attribs[i * 2 + 1];
break;
case __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR:
if (attribs[i * 2 + 1] != __DRI_CTX_RELEASE_BEHAVIOR_FLUSH) {
ctx_config.attribute_mask |=
__DRIVER_CONTEXT_ATTRIB_RELEASE_BEHAVIOR;
ctx_config.release_behavior = attribs[i * 2 + 1];
} else {
ctx_config.attribute_mask &=
~__DRIVER_CONTEXT_ATTRIB_RELEASE_BEHAVIOR;
}
break;
default:
/* We can't create a context that satisfies the requirements of an
* attribute that we don't understand. Return failure.
@@ -833,6 +843,10 @@ const __DRI2configQueryExtension dri2ConfigQueryExtension = {
.configQueryf = dri2ConfigQueryf,
};
const __DRI2flushControlExtension dri2FlushControlExtension = {
.base = { __DRI2_FLUSH_CONTROL, 1 }
};
void
dri2InvalidateDrawable(__DRIdrawable *drawable)
{

9
src/mesa/drivers/dri/common/dri_util.h
View File

@@ -67,6 +67,7 @@ extern const __DRIswrastExtension driSWRastExtension;
extern const __DRIdri2Extension driDRI2Extension;
extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
extern const __DRIcopySubBufferExtension driCopySubBufferExtension;
extern const __DRI2flushControlExtension dri2FlushControlExtension;
/**
* Description of the attributes used to create a config.
@@ -93,10 +94,14 @@ struct __DriverContextConfig {
/* Only valid if __DRIVER_CONTEXT_PRIORITY is set */
unsigned priority;
/* Only valid if __DRIVER_CONTEXT_ATTRIB_RELEASE_BEHAVIOR is set */
int release_behavior;
};
#define __DRIVER_CONTEXT_ATTRIB_RESET_STRATEGY (1 << 0)
#define __DRIVER_CONTEXT_ATTRIB_PRIORITY (1 << 1)
#define __DRIVER_CONTEXT_ATTRIB_RESET_STRATEGY (1 << 0)
#define __DRIVER_CONTEXT_ATTRIB_PRIORITY (1 << 1)
#define __DRIVER_CONTEXT_ATTRIB_RELEASE_BEHAVIOR (1 << 2)
/**
* Driver callback functions.