Mesa (master): DRI2: add config query extension
Jesse Barnes
jbarnes at kemper.freedesktop.org
Thu Apr 22 19:51:45 UTC 2010
Module: Mesa
Branch: master
Commit: 234286c0f8b7d30ed49223c648d4c73c1a517ab3
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=234286c0f8b7d30ed49223c648d4c73c1a517ab3
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date: Thu Apr 22 12:47:41 2010 -0700
DRI2: add config query extension
Add a new DRI2 configuration query extension. Allows for DRI2 client
code to query for common DRI2 configuration options.
---
include/GL/internal/dri_interface.h | 14 +++++++
src/glx/dri_common.c | 5 +++
src/glx/glxclient.h | 4 ++
src/mesa/drivers/dri/common/dri_util.c | 46 +++++++++++++++++++++++++
src/mesa/drivers/dri/common/dri_util.h | 4 ++
src/mesa/drivers/dri/intel/intel_screen.c | 1 +
src/mesa/drivers/dri/nouveau/nouveau_screen.c | 1 +
src/mesa/drivers/dri/radeon/radeon_screen.c | 2 +
src/mesa/drivers/dri/radeon/radeon_screen.h | 2 +-
9 files changed, 78 insertions(+), 1 deletions(-)
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index fa9b7c4..a952a1d 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -812,4 +812,18 @@ struct __DRIimageLookupExtensionRec {
void *loaderPrivate);
};
+/**
+ * This extension allows for common DRI2 options
+ */
+#define __DRI2_CONFIG_QUERY "DRI_CONFIG_QUERY"
+#define __DRI2_CONFIG_QUERY_VERSION 1
+
+typedef struct __DRI2configQueryExtensionRec __DRI2configQueryExtension;
+struct __DRI2configQueryExtensionRec {
+ __DRIextension base;
+
+ int (*configQueryb)(__DRIscreen *screen, const char *var, GLboolean *val);
+ int (*configQueryi)(__DRIscreen *screen, const char *var, GLint *val);
+ int (*configQueryf)(__DRIscreen *screen, const char *var, GLfloat *val);
+};
#endif
diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c
index e403416..dbc6082 100644
--- a/src/glx/dri_common.c
+++ b/src/glx/dri_common.c
@@ -403,6 +403,11 @@ dri2BindExtensions(__GLXscreenConfigs *psc)
/* internal driver extension, no GL extension exposed */
}
#endif
+
+#ifdef __DRI2_CONFIG_QUERY
+ if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0))
+ psc->config = (__DRI2configQueryExtension *) extensions[i];
+#endif
}
}
diff --git a/src/glx/glxclient.h b/src/glx/glxclient.h
index 8e5dc78..e4b2c63 100644
--- a/src/glx/glxclient.h
+++ b/src/glx/glxclient.h
@@ -549,6 +549,10 @@ struct __GLXscreenConfigsRec
const __DRI2flushExtension *f;
#endif
+#ifdef __DRI2_CONFIG_QUERY
+ const __DRI2configQueryExtension *config;
+#endif
+
#endif
/**
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index f1bbd38..16d4cc5 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -467,6 +467,41 @@ dri2CreateNewDrawable(__DRIscreen *screen,
return pdraw;
}
+static int
+dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val)
+{
+ if (!driCheckOption(&screen->optionCache, var, DRI_BOOL))
+ return -1;
+
+ *val = driQueryOptionb(&screen->optionCache, var);
+
+ return 0;
+}
+
+static int
+dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val)
+{
+ if (!driCheckOption(&screen->optionCache, var, DRI_INT) &&
+ !driCheckOption(&screen->optionCache, var, DRI_ENUM))
+ return -1;
+
+ *val = driQueryOptioni(&screen->optionCache, var);
+
+ return 0;
+}
+
+static int
+dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
+{
+ if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT))
+ return -1;
+
+ *val = driQueryOptionf(&screen->optionCache, var);
+
+ return 0;
+}
+
+
static void dri_get_drawable(__DRIdrawable *pdp)
{
pdp->refcount++;
@@ -739,6 +774,7 @@ dri2CreateNewScreen(int scrn, int fd,
static const __DRIextension *emptyExtensionList[] = { NULL };
__DRIscreen *psp;
drmVersionPtr version;
+ driOptionCache options;
if (driDriverAPI.InitScreen2 == NULL)
return NULL;
@@ -771,6 +807,9 @@ dri2CreateNewScreen(int scrn, int fd,
psp->DriverAPI = driDriverAPI;
+ driParseOptionInfo(&options, __dri2ConfigOptions, __dri2NConfigOptions);
+ driParseConfigFiles(&psp->optionCache, &options, psp->myNum, "dri2");
+
return psp;
}
@@ -813,6 +852,13 @@ const __DRIdri2Extension driDRI2Extension = {
dri2CreateNewContext,
};
+const __DRI2configQueryExtension dri2ConfigQueryExtension = {
+ { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION },
+ dri2ConfigQueryb,
+ dri2ConfigQueryi,
+ dri2ConfigQueryf,
+};
+
static int
driFrameTracking(__DRIdrawable *drawable, GLboolean enable)
{
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index 038a816..0fe6f1e 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -51,6 +51,7 @@
#include <drm.h>
#include <drm_sarea.h>
#include <xf86drm.h>
+#include "xmlconfig.h"
#include "main/glheader.h"
#include "GL/internal/glcore.h"
#include "GL/internal/dri_interface.h"
@@ -70,6 +71,7 @@ extern const __DRIcopySubBufferExtension driCopySubBufferExtension;
extern const __DRIswapControlExtension driSwapControlExtension;
extern const __DRIframeTrackingExtension driFrameTrackingExtension;
extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension;
+extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
/**
* Used by DRI_VALIDATE_DRAWABLE_INFO
@@ -527,6 +529,8 @@ struct __DRIscreenRec {
/* The lock actually in use, old sarea or DRI2 */
drmLock *lock;
+
+ driOptionCache optionCache;
};
extern void
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 5e3f408..ea739a4 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -225,6 +225,7 @@ static const __DRIextension *intelScreenExtensions[] = {
&intelTexBufferExtension.base,
&intelFlushExtension.base,
&intelImageExtension.base,
+ &dri2ConfigQueryExtension.base,
NULL
};
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
index 18db12f..78987f6 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_screen.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
@@ -236,6 +236,7 @@ static const struct __DRItexBufferExtensionRec nouveau_texbuffer_extension = {
static const __DRIextension *nouveau_screen_extensions[] = {
&nouveau_flush_extension.base,
&nouveau_texbuffer_extension.base,
+ &dri2ConfigQueryExtension.base,
NULL
};
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
index fca0f81..f8dc814 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.c
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
@@ -1235,6 +1235,8 @@ radeonCreateScreen( __DRIscreen *sPriv )
screen->extensions[i++] = &r600texOffsetExtension.base;
#endif
+ screen->extensions[i++] = &dri2ConfigQueryExtension.base;
+
screen->extensions[i++] = NULL;
sPriv->extensions = screen->extensions;
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.h b/src/mesa/drivers/dri/radeon/radeon_screen.h
index 5e6d432..0d7e335 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.h
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.h
@@ -105,7 +105,7 @@ typedef struct radeon_screen {
/* Configuration cache with default values for all contexts */
driOptionCache optionCache;
- const __DRIextension *extensions[16];
+ const __DRIextension *extensions[17];
int num_gb_pipes;
int num_z_pipes;
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