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-rw-r--r--include/GL/internal/dri_interface.h28
-rw-r--r--src/glx/x11/dri2_glx.c104
2 files changed, 112 insertions, 20 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 335bf62a801..bfa8a33b3c7 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -649,6 +649,7 @@ struct __DRIswrastExtensionRec {
#define __DRI_BUFFER_ACCUM 6
#define __DRI_BUFFER_FAKE_FRONT_LEFT 7
#define __DRI_BUFFER_FAKE_FRONT_RIGHT 8
+#define __DRI_BUFFER_DEPTH_STENCIL 9 /**< Only available with DRI2 1.1 */
struct __DRIbufferRec {
unsigned int attachment;
@@ -659,7 +660,7 @@ struct __DRIbufferRec {
};
#define __DRI_DRI2_LOADER "DRI_DRI2Loader"
-#define __DRI_DRI2_LOADER_VERSION 2
+#define __DRI_DRI2_LOADER_VERSION 3
struct __DRIdri2LoaderExtensionRec {
__DRIextension base;
@@ -680,6 +681,31 @@ struct __DRIdri2LoaderExtensionRec {
* into __DRIdri2ExtensionRec::createNewDrawable
*/
void (*flushFrontBuffer)(__DRIdrawable *driDrawable, void *loaderPrivate);
+
+
+ /**
+ * Get list of buffers from the server
+ *
+ * Gets a list of buffer for the specified set of attachments. Unlike
+ * \c ::getBuffers, this function takes a list of attachments paired with
+ * opaque \c unsigned \c int value describing the format of the buffer.
+ * It is the responsibility of the caller to know what the service that
+ * allocates the buffers will expect to receive for the format.
+ *
+ * \param driDrawable Drawable whose buffers are being queried.
+ * \param width Output where the width of the buffers is stored.
+ * \param height Output where the height of the buffers is stored.
+ * \param attachments List of pairs of attachment ID and opaque format
+ * requested for the drawable.
+ * \param count Number of attachment / format pairs stored in
+ * \c attachments.
+ * \param loaderPrivate Loader's private data that was previously passed
+ * into __DRIdri2ExtensionRec::createNewDrawable.
+ */
+ __DRIbuffer *(*getBuffersWithFormat)(__DRIdrawable *driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate);
};
/**
diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c
index b6eeb913b66..fb31898db2d 100644
--- a/src/glx/x11/dri2_glx.c
+++ b/src/glx/x11/dri2_glx.c
@@ -47,6 +47,9 @@
#include "dri2.h"
#include "dri_common.h"
+#undef DRI2_MINOR
+#define DRI2_MINOR 1
+
typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate;
typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate;
typedef struct __GLXDRIdrawablePrivateRec __GLXDRIdrawablePrivate;
@@ -289,30 +292,25 @@ static void dri2DestroyScreen(__GLXscreenConfigs *psc)
psc->__driScreen = NULL;
}
-static __DRIbuffer *
-dri2GetBuffers(__DRIdrawable *driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate)
+/**
+ * Process list of buffer received from the server
+ *
+ * Processes the list of buffers received in a reply from the server to either
+ * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
+ */
+static void
+process_buffers(__GLXDRIdrawablePrivate *pdraw, DRI2Buffer *buffers,
+ unsigned count)
{
- __GLXDRIdrawablePrivate *pdraw = loaderPrivate;
- DRI2Buffer *buffers;
int i;
- buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable,
- width, height, attachments, count, out_count);
- if (buffers == NULL)
- return NULL;
-
- pdraw->width = *width;
- pdraw->height = *height;
- pdraw->bufferCount = *out_count;
+ pdraw->bufferCount = count;
pdraw->have_fake_front = 0;
pdraw->have_back = 0;
/* This assumes the DRI2 buffer attachment tokens matches the
* __DRIbuffer tokens. */
- for (i = 0; i < *out_count; i++) {
+ for (i = 0; i < count; i++) {
pdraw->buffers[i].attachment = buffers[i].attachment;
pdraw->buffers[i].name = buffers[i].name;
pdraw->buffers[i].pitch = buffers[i].pitch;
@@ -324,6 +322,51 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
pdraw->have_back = 1;
}
+}
+
+static __DRIbuffer *
+dri2GetBuffers(__DRIdrawable *driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate)
+{
+ __GLXDRIdrawablePrivate *pdraw = loaderPrivate;
+ DRI2Buffer *buffers;
+
+ buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable,
+ width, height, attachments, count, out_count);
+ if (buffers == NULL)
+ return NULL;
+
+ pdraw->width = *width;
+ pdraw->height = *height;
+ process_buffers(pdraw, buffers, *out_count);
+
+ Xfree(buffers);
+
+ return pdraw->buffers;
+}
+
+static __DRIbuffer *
+dri2GetBuffersWithFormat(__DRIdrawable *driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate)
+{
+ __GLXDRIdrawablePrivate *pdraw = loaderPrivate;
+ DRI2Buffer *buffers;
+
+ buffers = DRI2GetBuffersWithFormat(pdraw->base.psc->dpy,
+ pdraw->base.xDrawable,
+ width, height, attachments,
+ count, out_count);
+ if (buffers == NULL)
+ return NULL;
+
+ pdraw->width = *width;
+ pdraw->height = *height;
+ process_buffers(pdraw, buffers, *out_count);
+
Xfree(buffers);
return pdraw->buffers;
@@ -332,7 +375,15 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
static const __DRIdri2LoaderExtension dri2LoaderExtension = {
{ __DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION },
dri2GetBuffers,
- dri2FlushFrontBuffer
+ dri2FlushFrontBuffer,
+ dri2GetBuffersWithFormat,
+};
+
+static const __DRIdri2LoaderExtension dri2LoaderExtension_old = {
+ { __DRI_DRI2_LOADER, __DRI_DRI2_LOADER_VERSION },
+ dri2GetBuffers,
+ dri2FlushFrontBuffer,
+ NULL,
};
static const __DRIextension *loader_extensions[] = {
@@ -341,11 +392,19 @@ static const __DRIextension *loader_extensions[] = {
NULL
};
+static const __DRIextension *loader_extensions_old[] = {
+ &dri2LoaderExtension_old.base,
+ &systemTimeExtension.base,
+ NULL
+};
+
static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen,
__GLXdisplayPrivate *priv)
{
const __DRIconfig **driver_configs;
const __DRIextension **extensions;
+ const __GLXDRIdisplayPrivate *const pdp = (__GLXDRIdisplayPrivate *)
+ priv->dri2Display;
__GLXDRIscreen *psp;
char *driverName, *deviceName;
drm_magic_t magic;
@@ -402,9 +461,16 @@ static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen,
return NULL;
}
+ /* If the server does not support the protocol for
+ * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
+ */
psc->__driScreen =
- psc->dri2->createNewScreen(screen, psc->fd,
- loader_extensions, &driver_configs, psc);
+ psc->dri2->createNewScreen(screen, psc->fd,
+ ((pdp->driMinor < 1)
+ ? loader_extensions_old
+ : loader_extensions),
+ &driver_configs, psc);
+
if (psc->__driScreen == NULL) {
ErrorMessageF("failed to create dri screen\n");
return NULL;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 10:28:27 +0000