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glx: add dri_common.c ala xserver

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also drop driFilterModes which is unused

in preparation of loading swrast_dri.so
This commit is contained in:
George Sapountzis
2008-06-09 17:47:09 +03:00
parent 4c7e02298f
commit 0793457039
5 changed files with 507 additions and 520 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/glx/x11/Makefile
+1
View File
@@ -31,6 +31,7 @@ SOURCES = \
xfont.c \
glx_pbuffer.c \
glx_query.c \
dri_common.c \
dri_glx.c \
XF86dri.c \
glxhash.c \
src/glx/x11/dri2_glx.c
+1 -97
View File
@@ -32,7 +32,6 @@
#ifdef GLX_DIRECT_RENDERING
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xdamage.h>
@@ -46,18 +45,10 @@
#include <sys/mman.h>
#include "xf86drm.h"
#include "dri2.h"
#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#include "dri_common.h"
typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate;
typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate;
typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate;
struct __GLXDRIdisplayPrivateRec {
__GLXDRIdisplay base;
@@ -76,11 +67,6 @@ struct __GLXDRIcontextPrivateRec {
__GLXscreenConfigs *psc;
};
struct __GLXDRIconfigPrivateRec {
__GLcontextModes modes;
const __DRIconfig *driConfig;
};
static void dri2DestroyContext(__GLXDRIcontext *context,
__GLXscreenConfigs *psc, Display *dpy)
{
@@ -253,94 +239,12 @@ static const __DRIloaderExtension dri2LoaderExtension = {
dri2PostDamage
};
_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension;
static const __DRIextension *loader_extensions[] = {
&dri2LoaderExtension.base,
&systemTimeExtension.base,
NULL
};
/* We need a dri_common.h type-of-thing. */
extern void ErrorMessageF(const char *f, ...);
extern void *driOpenDriver(const char *driverName);
extern __GLcontextModes *
driConvertConfigs(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **configs);
extern void driBindExtensions(__GLXscreenConfigs *psc);
void
driBindExtensions(__GLXscreenConfigs *psc)
{
const __DRIextension **extensions;
int i;
extensions = psc->core->getExtensions(psc->__driScreen);
for (i = 0; extensions[i]; i++) {
#ifdef __DRI_COPY_SUB_BUFFER
if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer_bit");
}
#endif
#ifdef __DRI_SWAP_CONTROL
if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
psc->swapControl = (__DRIswapControlExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_SGI_swap_control");
__glXEnableDirectExtension(psc, "GLX_MESA_swap_control");
}
#endif
#ifdef __DRI_ALLOCATE
if (strcmp(extensions[i]->name, __DRI_ALLOCATE) == 0) {
psc->allocate = (__DRIallocateExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_allocate_memory");
}
#endif
#ifdef __DRI_FRAME_TRACKING
if (strcmp(extensions[i]->name, __DRI_FRAME_TRACKING) == 0) {
psc->frameTracking = (__DRIframeTrackingExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_swap_frame_usage");
}
#endif
#ifdef __DRI_MEDIA_STREAM_COUNTER
if (strcmp(extensions[i]->name, __DRI_MEDIA_STREAM_COUNTER) == 0) {
psc->msc = (__DRImediaStreamCounterExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_SGI_video_sync");
}
#endif
#ifdef __DRI_SWAP_BUFFER_COUNTER
/* No driver supports this at this time and the extension is
* not defined in dri_interface.h. Will enable
* GLX_OML_sync_control if implemented. */
#endif
#ifdef __DRI_READ_DRAWABLE
if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
__glXEnableDirectExtension(psc, "GLX_SGI_make_current_read");
}
#endif
#ifdef __DRI_TEX_BUFFER
if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_EXT_texture_from_pixmap");
}
#endif
/* Ignore unknown extensions */
}
}
static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen,
__GLXdisplayPrivate *priv)
{
src/glx/x11/dri_common.c
+399
View File
@@ -0,0 +1,399 @@
/*
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright © 2008 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Soft-
* ware"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, provided that the above copyright
* notice(s) and this permission notice appear in all copies of the Soft-
* ware and that both the above copyright notice(s) and this permission
* notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
* MANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder shall
* not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization of
* the copyright holder.
*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
* Brian Paul <brian@precisioninsight.com>
* Kristian Høgsberg (krh@redhat.com)
*/
#ifdef GLX_DIRECT_RENDERING
#include <unistd.h>
#include <dlfcn.h>
#include "glheader.h"
#include "glxclient.h"
#include "glcontextmodes.h"
#include "dri_common.h"
#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
_X_HIDDEN void InfoMessageF(const char *f, ...)
{
va_list args;
const char *env;
if ((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) {
fprintf(stderr, "libGL: ");
va_start(args, f);
vfprintf(stderr, f, args);
va_end(args);
}
}
/**
* Print error to stderr, unless LIBGL_DEBUG=="quiet".
*/
_X_HIDDEN void ErrorMessageF(const char *f, ...)
{
va_list args;
const char *env;
if ((env = getenv("LIBGL_DEBUG")) && !strstr(env, "quiet")) {
fprintf(stderr, "libGL error: ");
va_start(args, f);
vfprintf(stderr, f, args);
va_end(args);
}
}
#ifndef DEFAULT_DRIVER_DIR
/* this is normally defined in Mesa/configs/default with DRI_DRIVER_SEARCH_PATH */
#define DEFAULT_DRIVER_DIR "/usr/local/lib/dri"
#endif
/**
* Try to \c dlopen the named driver.
*
* This function adds the "_dri.so" suffix to the driver name and searches the
* directories specified by the \c LIBGL_DRIVERS_PATH environment variable in
* order to find the driver.
*
* \param driverName - a name like "tdfx", "i810", "mga", etc.
*
* \returns
* A handle from \c dlopen, or \c NULL if driver file not found.
*/
_X_HIDDEN void *driOpenDriver(const char *driverName)
{
void *glhandle, *handle;
const char *libPaths, *p, *next;
char realDriverName[200];
int len;
/* Attempt to make sure libGL symbols will be visible to the driver */
glhandle = dlopen("libGL.so.1", RTLD_NOW | RTLD_GLOBAL);
libPaths = NULL;
if (geteuid() == getuid()) {
/* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
libPaths = getenv("LIBGL_DRIVERS_PATH");
if (!libPaths)
libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */
}
if (libPaths == NULL)
libPaths = DEFAULT_DRIVER_DIR;
handle = NULL;
for (p = libPaths; *p; p = next) {
next = strchr(p, ':');
if (next == NULL) {
len = strlen(p);
next = p + len;
} else {
len = next - p;
next++;
}
#ifdef GLX_USE_TLS
snprintf(realDriverName, sizeof realDriverName,
"%.*s/tls/%s_dri.so", len, p, driverName);
InfoMessageF("OpenDriver: trying %s\n", realDriverName);
handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
#endif
if ( handle == NULL ) {
snprintf(realDriverName, sizeof realDriverName,
"%.*s/%s_dri.so", len, p, driverName);
InfoMessageF("OpenDriver: trying %s\n", realDriverName);
handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
}
if ( handle != NULL )
break;
else
ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror());
}
if (!handle)
ErrorMessageF("unable to load driver: %s_dri.so\n", driverName);
if (glhandle)
dlclose(glhandle);
return handle;
}
_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = {
{ __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION },
__glXGetUST,
__driGetMscRateOML
};
#define __ATTRIB(attrib, field) \
{ attrib, offsetof(__GLcontextModes, field) }
static const struct { unsigned int attrib, offset; } attribMap[] = {
__ATTRIB(__DRI_ATTRIB_BUFFER_SIZE, rgbBits),
__ATTRIB(__DRI_ATTRIB_LEVEL, level),
__ATTRIB(__DRI_ATTRIB_RED_SIZE, redBits),
__ATTRIB(__DRI_ATTRIB_GREEN_SIZE, greenBits),
__ATTRIB(__DRI_ATTRIB_BLUE_SIZE, blueBits),
__ATTRIB(__DRI_ATTRIB_ALPHA_SIZE, alphaBits),
__ATTRIB(__DRI_ATTRIB_DEPTH_SIZE, depthBits),
__ATTRIB(__DRI_ATTRIB_STENCIL_SIZE, stencilBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE, accumRedBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE, accumGreenBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE, accumBlueBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE, accumAlphaBits),
__ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS, sampleBuffers),
__ATTRIB(__DRI_ATTRIB_SAMPLES, samples),
__ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER, doubleBufferMode),
__ATTRIB(__DRI_ATTRIB_STEREO, stereoMode),
__ATTRIB(__DRI_ATTRIB_AUX_BUFFERS, numAuxBuffers),
#if 0
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE, transparentPixel),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE, transparentIndex),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE, transparentRed),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE, transparentGreen),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE, transparentBlue),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE, transparentAlpha),
__ATTRIB(__DRI_ATTRIB_RED_MASK, redMask),
__ATTRIB(__DRI_ATTRIB_GREEN_MASK, greenMask),
__ATTRIB(__DRI_ATTRIB_BLUE_MASK, blueMask),
__ATTRIB(__DRI_ATTRIB_ALPHA_MASK, alphaMask),
#endif
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth),
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight),
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels),
__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth),
__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight),
#if 0
__ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod),
#endif
__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb),
__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),
__ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE, bindToMipmapTexture),
__ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted),
};
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
static int
scalarEqual(__GLcontextModes *mode, unsigned int attrib, unsigned int value)
{
unsigned int glxValue;
int i;
for (i = 0; i < ARRAY_SIZE(attribMap); i++)
if (attribMap[i].attrib == attrib) {
glxValue = *(unsigned int *) ((char *) mode + attribMap[i].offset);
return glxValue == GLX_DONT_CARE || glxValue == value;
}
return GL_TRUE; /* Is a non-existing attribute equal to value? */
}
static int
driConfigEqual(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig *driConfig)
{
unsigned int attrib, value, glxValue;
int i;
i = 0;
while (core->indexConfigAttrib(driConfig, i++, &attrib, &value)) {
switch (attrib) {
case __DRI_ATTRIB_RENDER_TYPE:
glxValue = 0;
if (value & __DRI_ATTRIB_RGBA_BIT) {
glxValue |= GLX_RGBA_BIT;
} else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) {
glxValue |= GLX_COLOR_INDEX_BIT;
}
if (glxValue != modes->renderType)
return GL_FALSE;
break;
case __DRI_ATTRIB_CONFIG_CAVEAT:
if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
glxValue = GLX_NON_CONFORMANT_CONFIG;
else if (value & __DRI_ATTRIB_SLOW_BIT)
glxValue = GLX_SLOW_CONFIG;
else
glxValue = GLX_NONE;
if (glxValue != modes->visualRating)
return GL_FALSE;
break;
case __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS:
glxValue = 0;
if (value & __DRI_ATTRIB_TEXTURE_1D_BIT)
glxValue |= GLX_TEXTURE_1D_BIT_EXT;
if (value & __DRI_ATTRIB_TEXTURE_2D_BIT)
glxValue |= GLX_TEXTURE_2D_BIT_EXT;
if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT)
glxValue |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
if (modes->bindToTextureTargets != GLX_DONT_CARE &&
glxValue != modes->bindToTextureTargets)
return GL_FALSE;
break;
default:
if (!scalarEqual(modes, attrib, value))
return GL_FALSE;
}
}
return GL_TRUE;
}
static __GLcontextModes *
createDriMode(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **driConfigs)
{
__GLXDRIconfigPrivate *config;
int i;
for (i = 0; driConfigs[i]; i++) {
if (driConfigEqual(core, modes, driConfigs[i]))
break;
}
if (driConfigs[i] == NULL)
return NULL;
config = Xmalloc(sizeof *config);
if (config == NULL)
return NULL;
config->modes = *modes;
config->driConfig = driConfigs[i];
return &config->modes;
}
_X_HIDDEN __GLcontextModes *
driConvertConfigs(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **configs)
{
__GLcontextModes head, *tail, *m;
tail = &head;
head.next = NULL;
for (m = modes; m; m = m->next) {
tail->next = createDriMode(core, m, configs);
if (tail->next == NULL) {
/* no matching dri config for m */
continue;
}
tail = tail->next;
}
_gl_context_modes_destroy(modes);
return head.next;
}
_X_HIDDEN void
driBindExtensions(__GLXscreenConfigs *psc)
{
const __DRIextension **extensions;
int i;
extensions = psc->core->getExtensions(psc->__driScreen);
for (i = 0; extensions[i]; i++) {
#ifdef __DRI_COPY_SUB_BUFFER
if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer_bit");
}
#endif
#ifdef __DRI_SWAP_CONTROL
if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
psc->swapControl = (__DRIswapControlExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_SGI_swap_control");
__glXEnableDirectExtension(psc, "GLX_MESA_swap_control");
}
#endif
#ifdef __DRI_ALLOCATE
if (strcmp(extensions[i]->name, __DRI_ALLOCATE) == 0) {
psc->allocate = (__DRIallocateExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_allocate_memory");
}
#endif
#ifdef __DRI_FRAME_TRACKING
if (strcmp(extensions[i]->name, __DRI_FRAME_TRACKING) == 0) {
psc->frameTracking = (__DRIframeTrackingExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_MESA_swap_frame_usage");
}
#endif
#ifdef __DRI_MEDIA_STREAM_COUNTER
if (strcmp(extensions[i]->name, __DRI_MEDIA_STREAM_COUNTER) == 0) {
psc->msc = (__DRImediaStreamCounterExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_SGI_video_sync");
}
#endif
#ifdef __DRI_SWAP_BUFFER_COUNTER
/* No driver supports this at this time and the extension is
* not defined in dri_interface.h. Will enable
* GLX_OML_sync_control if implemented. */
#endif
#ifdef __DRI_READ_DRAWABLE
if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
__glXEnableDirectExtension(psc, "GLX_SGI_make_current_read");
}
#endif
#ifdef __DRI_TEX_BUFFER
if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
__glXEnableDirectExtension(psc, "GLX_EXT_texture_from_pixmap");
}
#endif
/* Ignore unknown extensions */
}
}
#endif /* GLX_DIRECT_RENDERING */
src/glx/x11/dri_common.h
+60
View File
@@ -0,0 +1,60 @@
/*
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright © 2008 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Soft-
* ware"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, provided that the above copyright
* notice(s) and this permission notice appear in all copies of the Soft-
* ware and that both the above copyright notice(s) and this permission
* notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
* MANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder shall
* not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization of
* the copyright holder.
*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
* Brian Paul <brian@precisioninsight.com>
* Kristian Høgsberg (krh@redhat.com)
*/
#ifndef _DRI_COMMON_H
#define _DRI_COMMON_H
typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate;
struct __GLXDRIconfigPrivateRec {
__GLcontextModes modes;
const __DRIconfig *driConfig;
};
extern __GLcontextModes *
driConvertConfigs(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **configs);
extern const __DRIsystemTimeExtension systemTimeExtension;
extern void InfoMessageF(const char *f, ...);
extern void ErrorMessageF(const char *f, ...);
extern void *driOpenDriver(const char *driverName);
extern void driBindExtensions(__GLXscreenConfigs *psc);
#endif /* _DRI_COMMON_H */
src/glx/x11/dri_glx.c
+46 -423
View File
@@ -34,7 +34,6 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifdef GLX_DIRECT_RENDERING
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xdamage.h>
@@ -47,17 +46,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <sys/types.h>
#include <sys/mman.h>
#include "xf86drm.h"
#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#include "dri_common.h"
typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate;
typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate;
typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate;
struct __GLXDRIdisplayPrivateRec {
__GLXDRIdisplay base;
@@ -77,128 +69,12 @@ struct __GLXDRIcontextPrivateRec {
__GLXscreenConfigs *psc;
};
struct __GLXDRIconfigPrivateRec {
__GLcontextModes modes;
const __DRIconfig *driConfig;
};
#ifndef DEFAULT_DRIVER_DIR
/* this is normally defined in Mesa/configs/default with DRI_DRIVER_SEARCH_PATH */
#define DEFAULT_DRIVER_DIR "/usr/local/lib/dri"
#endif
static void InfoMessageF(const char *f, ...)
{
va_list args;
const char *env;
if ((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) {
fprintf(stderr, "libGL: ");
va_start(args, f);
vfprintf(stderr, f, args);
va_end(args);
}
}
extern void ErrorMessageF(const char *f, ...);
/**
* Print error to stderr, unless LIBGL_DEBUG=="quiet".
*/
_X_HIDDEN void ErrorMessageF(const char *f, ...)
{
va_list args;
const char *env;
if ((env = getenv("LIBGL_DEBUG")) && !strstr(env, "quiet")) {
fprintf(stderr, "libGL error: ");
va_start(args, f);
vfprintf(stderr, f, args);
va_end(args);
}
}
extern void *driOpenDriver(const char *driverName);
/**
* Try to \c dlopen the named driver.
*
* This function adds the "_dri.so" suffix to the driver name and searches the
* directories specified by the \c LIBGL_DRIVERS_PATH environment variable in
* order to find the driver.
*
* \param driverName - a name like "tdfx", "i810", "mga", etc.
*
* \returns
* A handle from \c dlopen, or \c NULL if driver file not found.
*/
_X_HIDDEN void *driOpenDriver(const char *driverName)
{
void *glhandle, *handle;
const char *libPaths, *p, *next;
char realDriverName[200];
int len;
/* Attempt to make sure libGL symbols will be visible to the driver */
glhandle = dlopen("libGL.so.1", RTLD_NOW | RTLD_GLOBAL);
libPaths = NULL;
if (geteuid() == getuid()) {
/* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
libPaths = getenv("LIBGL_DRIVERS_PATH");
if (!libPaths)
libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */
}
if (libPaths == NULL)
libPaths = DEFAULT_DRIVER_DIR;
handle = NULL;
for (p = libPaths; *p; p = next) {
next = strchr(p, ':');
if (next == NULL) {
len = strlen(p);
next = p + len;
} else {
len = next - p;
next++;
}
#ifdef GLX_USE_TLS
snprintf(realDriverName, sizeof realDriverName,
"%.*s/tls/%s_dri.so", len, p, driverName);
InfoMessageF("OpenDriver: trying %s\n", realDriverName);
handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
#endif
if ( handle == NULL ) {
snprintf(realDriverName, sizeof realDriverName,
"%.*s/%s_dri.so", len, p, driverName);
InfoMessageF("OpenDriver: trying %s\n", realDriverName);
handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL);
}
if ( handle != NULL )
break;
else
ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror());
}
if (!handle)
ErrorMessageF("unable to load driver: %s_dri.so\n", driverName);
if (glhandle)
dlclose(glhandle);
return handle;
}
/*
* Given a display pointer and screen number, determine the name of
* the DRI driver for the screen. (I.e. "r128", "tdfx", etc).
* Return True for success, False for failure.
*/
static Bool GetDriverName(Display *dpy, int scrNum, char **driverName)
static Bool driGetDriverName(Display *dpy, int scrNum, char **driverName)
{
int directCapable;
Bool b;
@@ -228,25 +104,6 @@ static Bool GetDriverName(Display *dpy, int scrNum, char **driverName)
return True;
}
/*
* Given a display pointer and screen number, return a __DRIdriver handle.
* Return NULL if anything goes wrong.
*/
static void *driGetDriver(Display *dpy, int scrNum)
{
char *driverName;
void *ret;
if (GetDriverName(dpy, scrNum, &driverName)) {
ret = driOpenDriver(driverName);
if (driverName)
Xfree(driverName);
return ret;
}
return NULL;
}
/*
* Exported function for querying the DRI driver for a given screen.
*
@@ -256,7 +113,7 @@ static void *driGetDriver(Display *dpy, int scrNum)
PUBLIC const char *glXGetScreenDriver (Display *dpy, int scrNum) {
static char ret[32];
char *driverName;
if (GetDriverName(dpy, scrNum, &driverName)) {
if (driGetDriverName(dpy, scrNum, &driverName)) {
int len;
if (!driverName)
return NULL;
@@ -270,7 +127,6 @@ PUBLIC const char *glXGetScreenDriver (Display *dpy, int scrNum) {
return NULL;
}
/*
* Exported function for obtaining a driver's option list (UTF-8 encoded XML).
*
@@ -291,63 +147,6 @@ PUBLIC const char *glXGetDriverConfig (const char *driverName)
return NULL;
}
extern void
driFilterModes(__GLcontextModes ** server_modes,
const __GLcontextModes * driver_modes);
_X_HIDDEN void
driFilterModes(__GLcontextModes ** server_modes,
const __GLcontextModes * driver_modes)
{
__GLcontextModes * m;
__GLcontextModes ** prev_next;
const __GLcontextModes * check;
if (driver_modes == NULL) {
fprintf(stderr, "libGL warning: 3D driver returned no fbconfigs.\n");
return;
}
/* For each mode in server_modes, check to see if a matching mode exists
* in driver_modes. If not, then the mode is not available.
*/
prev_next = server_modes;
for ( m = *prev_next ; m != NULL ; m = *prev_next ) {
GLboolean do_delete = GL_TRUE;
for ( check = driver_modes ; check != NULL ; check = check->next ) {
if ( _gl_context_modes_are_same( m, check ) ) {
do_delete = GL_FALSE;
break;
}
}
/* The 3D has to support all the modes that match the GLX visuals
* sent from the X server.
*/
if ( do_delete && (m->visualID != 0) ) {
do_delete = GL_FALSE;
/* don't warn for this visual (Novell #247471 / X.Org #6689) */
if (m->visualRating != GLX_NON_CONFORMANT_CONFIG) {
fprintf(stderr, "libGL warning: 3D driver claims to not "
"support visual 0x%02x\n", m->visualID);
}
}
if ( do_delete ) {
*prev_next = m->next;
m->next = NULL;
_gl_context_modes_destroy( m );
}
else {
prev_next = & m->next;
}
}
}
#ifdef XDAMAGE_1_1_INTERFACE
static GLboolean has_damage_post(Display *dpy)
@@ -442,12 +241,6 @@ __glXDRIGetDrawableInfo(__DRIdrawable *drawable,
numBackClipRects, pBackClipRects);
}
_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = {
{ __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION },
__glXGetUST,
__driGetMscRateOML,
};
static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
{ __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION },
__glXDRIGetDrawableInfo
@@ -456,185 +249,12 @@ static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
static const __DRIextension *loader_extensions[] = {
&systemTimeExtension.base,
&getDrawableInfoExtension.base,
#ifdef XDAMAGE_1_1_INTERFACE
&damageExtension.base,
#endif
NULL
};
#define __ATTRIB(attrib, field) \
{ attrib, offsetof(__GLcontextModes, field) }
static const struct { unsigned int attrib, offset; } attribMap[] = {
__ATTRIB(__DRI_ATTRIB_BUFFER_SIZE, rgbBits),
__ATTRIB(__DRI_ATTRIB_LEVEL, level),
__ATTRIB(__DRI_ATTRIB_RED_SIZE, redBits),
__ATTRIB(__DRI_ATTRIB_GREEN_SIZE, greenBits),
__ATTRIB(__DRI_ATTRIB_BLUE_SIZE, blueBits),
__ATTRIB(__DRI_ATTRIB_ALPHA_SIZE, alphaBits),
__ATTRIB(__DRI_ATTRIB_DEPTH_SIZE, depthBits),
__ATTRIB(__DRI_ATTRIB_STENCIL_SIZE, stencilBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE, accumRedBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE, accumGreenBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE, accumBlueBits),
__ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE, accumAlphaBits),
__ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS, sampleBuffers),
__ATTRIB(__DRI_ATTRIB_SAMPLES, samples),
__ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER, doubleBufferMode),
__ATTRIB(__DRI_ATTRIB_STEREO, stereoMode),
__ATTRIB(__DRI_ATTRIB_AUX_BUFFERS, numAuxBuffers),
#if 0
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE, transparentPixel),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE, transparentIndex),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE, transparentRed),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE, transparentGreen),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE, transparentBlue),
__ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE, transparentAlpha),
__ATTRIB(__DRI_ATTRIB_RED_MASK, redMask),
__ATTRIB(__DRI_ATTRIB_GREEN_MASK, greenMask),
__ATTRIB(__DRI_ATTRIB_BLUE_MASK, blueMask),
__ATTRIB(__DRI_ATTRIB_ALPHA_MASK, alphaMask),
#endif
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth),
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight),
__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels),
__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth),
__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight),
#if 0
__ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod),
#endif
__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb),
__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),
__ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE, bindToMipmapTexture),
__ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted),
};
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
static int
scalarEqual(__GLcontextModes *mode, unsigned int attrib, unsigned int value)
{
unsigned int glxValue;
int i;
for (i = 0; i < ARRAY_SIZE(attribMap); i++)
if (attribMap[i].attrib == attrib) {
glxValue = *(unsigned int *) ((char *) mode + attribMap[i].offset);
return glxValue == GLX_DONT_CARE || glxValue == value;
}
return GL_TRUE; /* Is a non-existing attribute equal to value? */
}
static int
driConfigEqual(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig *driConfig)
{
unsigned int attrib, value, glxValue;
int i;
i = 0;
while (core->indexConfigAttrib(driConfig, i++, &attrib, &value)) {
switch (attrib) {
case __DRI_ATTRIB_RENDER_TYPE:
glxValue = 0;
if (value & __DRI_ATTRIB_RGBA_BIT) {
glxValue |= GLX_RGBA_BIT;
} else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) {
glxValue |= GLX_COLOR_INDEX_BIT;
}
if (glxValue != modes->renderType)
return GL_FALSE;
break;
case __DRI_ATTRIB_CONFIG_CAVEAT:
if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
glxValue = GLX_NON_CONFORMANT_CONFIG;
else if (value & __DRI_ATTRIB_SLOW_BIT)
glxValue = GLX_SLOW_CONFIG;
else
glxValue = GLX_NONE;
if (glxValue != modes->visualRating)
return GL_FALSE;
break;
case __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS:
glxValue = 0;
if (value & __DRI_ATTRIB_TEXTURE_1D_BIT)
glxValue |= GLX_TEXTURE_1D_BIT_EXT;
if (value & __DRI_ATTRIB_TEXTURE_2D_BIT)
glxValue |= GLX_TEXTURE_2D_BIT_EXT;
if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT)
glxValue |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
if (modes->bindToTextureTargets != GLX_DONT_CARE &&
glxValue != modes->bindToTextureTargets)
return GL_FALSE;
break;
default:
if (!scalarEqual(modes, attrib, value))
return GL_FALSE;
}
}
return GL_TRUE;
}
static __GLcontextModes *
createDriMode(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **driConfigs)
{
__GLXDRIconfigPrivate *config;
int i;
for (i = 0; driConfigs[i]; i++) {
if (driConfigEqual(core, modes, driConfigs[i]))
break;
}
if (driConfigs[i] == NULL)
return NULL;
config = Xmalloc(sizeof *config);
if (config == NULL)
return NULL;
config->modes = *modes;
config->driConfig = driConfigs[i];
return &config->modes;
}
extern __GLcontextModes *
driConvertConfigs(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **configs);
_X_HIDDEN __GLcontextModes *
driConvertConfigs(const __DRIcoreExtension *core,
__GLcontextModes *modes, const __DRIconfig **configs)
{
__GLcontextModes head, *tail, *m;
tail = &head;
head.next = NULL;
for (m = modes; m; m = m->next) {
tail->next = createDriMode(core, m, configs);
if (tail->next == NULL) {
/* no matching dri config for m */
continue;
}
tail = tail->next;
}
_gl_context_modes_destroy(modes);
return head.next;
}
/**
* Perform the required libGL-side initialization and call the client-side
* driver's \c __driCreateNewScreen function.
@@ -875,45 +495,44 @@ static __GLXDRIcontext *driCreateContext(__GLXscreenConfigs *psc,
__DRIcontext *shared = NULL;
__GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode;
if (psc && psc->driScreen) {
if (shareList) {
pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext;
shared = pcp_shared->driContext;
}
if (!psc || !psc->driScreen)
return NULL;
pcp = Xmalloc(sizeof *pcp);
if (pcp == NULL)
return NULL;
pcp->psc = psc;
if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr,
mode->visualID,
&pcp->hwContextID, &hwContext)) {
Xfree(pcp);
return NULL;
}
pcp->driContext =
(*psc->legacy->createNewContext)(psc->__driScreen,
config->driConfig,
renderType,
shared,
hwContext,
pcp);
if (pcp->driContext == NULL) {
XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID);
Xfree(pcp);
return NULL;
}
pcp->base.destroyContext = driDestroyContext;
pcp->base.bindContext = driBindContext;
pcp->base.unbindContext = driUnbindContext;
return &pcp->base;
if (shareList) {
pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext;
shared = pcp_shared->driContext;
}
return NULL;
pcp = Xmalloc(sizeof *pcp);
if (pcp == NULL)
return NULL;
pcp->psc = psc;
if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr,
mode->visualID,
&pcp->hwContextID, &hwContext)) {
Xfree(pcp);
return NULL;
}
pcp->driContext =
(*psc->legacy->createNewContext)(psc->__driScreen,
config->driConfig,
renderType,
shared,
hwContext,
pcp);
if (pcp->driContext == NULL) {
XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID);
Xfree(pcp);
return NULL;
}
pcp->base.destroyContext = driDestroyContext;
pcp->base.bindContext = driBindContext;
pcp->base.unbindContext = driUnbindContext;
return &pcp->base;
}
static void driDestroyDrawable(__GLXDRIdrawable *pdraw)
@@ -979,15 +598,13 @@ static void driDestroyScreen(__GLXscreenConfigs *psc)
dlclose(psc->driver);
}
void
driBindExtensions(__GLXscreenConfigs *psc);
static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen,
__GLXdisplayPrivate *priv)
{
__GLXDRIdisplayPrivate *pdp;
__GLXDRIscreen *psp;
const __DRIextension **extensions;
char *driverName;
int i;
psp = Xmalloc(sizeof *psp);
@@ -997,7 +614,13 @@ static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen,
/* Initialize per screen dynamic client GLX extensions */
psc->ext_list_first_time = GL_TRUE;
psc->driver = driGetDriver(priv->dpy, screen);
if (!driGetDriverName(priv->dpy, screen, &driverName)) {
Xfree(psp);
return NULL;
}
psc->driver = driOpenDriver(driverName);
Xfree(driverName);
if (psc->driver == NULL) {
Xfree(psp);
return NULL;