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mesa/mesa-7.6-dri2-page-flip.patch
Kristian Høgsberg 86773238f5 - Add DRI2 pageflipping patch.
2009-07-31 16:21:01 +00:00

329 lines
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diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 910c916..ec6238f 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -262,10 +262,22 @@ struct __DRItexBufferExtensionRec {
* Used by drivers that implement DRI2
*/
#define __DRI2_FLUSH "DRI2_Flush"
-#define __DRI2_FLUSH_VERSION 1
+#define __DRI2_FLUSH_VERSION 2
struct __DRI2flushExtensionRec {
__DRIextension base;
void (*flush)(__DRIdrawable *drawable);
+
+ /**
+ * Flush all rendering queue in the driver to the drm and
+ * invalidate all buffers. The driver will call out to
+ * getBuffers/getBuffersWithFormat before it starts rendering
+ * again.
+ *
+ * \param drawable the drawable to flush and invalidate
+ *
+ * \since 2
+ */
+ void (*flushInvalidate)(__DRIdrawable *drawable);
};
diff --git a/src/glx/x11/dri2.c b/src/glx/x11/dri2.c
index ebb2985..a7863ee 100644
--- a/src/glx/x11/dri2.c
+++ b/src/glx/x11/dri2.c
@@ -369,3 +369,19 @@ void DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region,
UnlockDisplay(dpy);
SyncHandle();
}
+
+void DRI2SwapBuffers(Display *dpy, XID drawable)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2SwapBuffersReq *req;
+
+ XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
+
+ LockDisplay(dpy);
+ GetReq(DRI2SwapBuffers, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2SwapBuffers;
+ req->drawable = drawable;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
diff --git a/src/glx/x11/dri2.h b/src/glx/x11/dri2.h
index b0e61f8..fc80649 100644
--- a/src/glx/x11/dri2.h
+++ b/src/glx/x11/dri2.h
@@ -77,4 +77,7 @@ extern void
DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region,
CARD32 dest, CARD32 src);
+extern void
+DRI2SwapBuffers(Display *dpy, XID drawable);
+
#endif
diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c
index f4865ae..48c8c71 100644
--- a/src/glx/x11/dri2_glx.c
+++ b/src/glx/x11/dri2_glx.c
@@ -35,6 +35,7 @@
#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xdamage.h>
+#include "glapi.h"
#include "glxclient.h"
#include "glcontextmodes.h"
#include "xf86dri.h"
@@ -63,6 +64,8 @@ struct __GLXDRIdisplayPrivateRec {
int driMajor;
int driMinor;
int driPatch;
+
+ int swapAvailable;
};
struct __GLXDRIcontextPrivateRec {
@@ -224,13 +227,6 @@ static void dri2CopySubBuffer(__GLXDRIdrawable *pdraw,
dri2WaitX(pdraw);
}
-static void dri2SwapBuffers(__GLXDRIdrawable *pdraw)
-{
- __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
-
- dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);
-}
-
static void dri2WaitX(__GLXDRIdrawable *pdraw)
{
__GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
@@ -331,6 +327,31 @@ process_buffers(__GLXDRIdrawablePrivate *pdraw, DRI2Buffer *buffers,
}
+static void dri2SwapBuffers(__GLXDRIdrawable *pdraw)
+{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
+ __GLXdisplayPrivate *dpyPriv = __glXInitialize(priv->base.psc->dpy);
+ __GLXDRIdisplayPrivate *pdp =
+ (__GLXDRIdisplayPrivate *)dpyPriv->dri2Display;
+ __GLXscreenConfigs *psc = pdraw->psc;
+
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
+ /* Old servers can't handle swapbuffers */
+ if (!pdp->swapAvailable)
+ return dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);
+
+ DRI2SwapBuffers(pdraw->psc->dpy, pdraw->drawable);
+
+#if __DRI2_FLUSH_VERSION >= 2
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flushInvalidate)(pdraw->driDrawable);
+#endif
+}
+
static __DRIbuffer *
dri2GetBuffers(__DRIdrawable *driDrawable,
int *width, int *height,
@@ -544,6 +565,9 @@ _X_HIDDEN __GLXDRIdisplay *dri2CreateDisplay(Display *dpy)
}
pdp->driPatch = 0;
+ pdp->swapAvailable = 0;
+ if (pdp->driMinor >= 2)
+ pdp->swapAvailable = 1;
pdp->base.destroyDisplay = dri2DestroyDisplay;
pdp->base.createScreen = dri2CreateScreen;
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 1d94060..3c5e580 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -453,6 +453,7 @@ driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config,
pdp->driScreenPriv = psp;
pdp->driContextPriv = &psp->dummyContextPriv;
+ pdp->validBuffers = GL_FALSE;
if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes,
renderType == GLX_PIXMAP_BIT)) {
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index c95a5c8..c3046d6 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -380,6 +380,8 @@ struct __DRIdrawableRec {
* GLX_MESA_swap_control.
*/
unsigned int swap_interval;
+
+ GLboolean validBuffers;
};
/**
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 4abb525..42e946f 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -71,8 +71,6 @@ int INTEL_DEBUG = (0);
#define DRIVER_DATE_GEM "GEM " DRIVER_DATE
-static void intel_flush(GLcontext *ctx, GLboolean needs_mi_flush);
-
static const GLubyte *
intelGetString(GLcontext * ctx, GLenum name)
{
@@ -390,6 +388,7 @@ intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
}
}
+ drawable->validBuffers = GL_TRUE;
driUpdateFramebufferSize(&intel->ctx, drawable);
}
@@ -477,7 +476,7 @@ intelInvalidateState(GLcontext * ctx, GLuint new_state)
intel->vtbl.invalidate_state( intel, new_state );
}
-static void
+void
intel_flush(GLcontext *ctx, GLboolean needs_mi_flush)
{
struct intel_context *intel = intel_context(ctx);
@@ -908,11 +907,7 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
(struct intel_framebuffer *) driDrawPriv->driverPrivate;
GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
- if (driContextPriv->driScreenPriv->dri2.enabled) {
- intel_update_renderbuffers(driContextPriv, driDrawPriv);
- if (driDrawPriv != driReadPriv)
- intel_update_renderbuffers(driContextPriv, driReadPriv);
- } else {
+ if (!driContextPriv->driScreenPriv->dri2.enabled) {
/* XXX FBO temporary fix-ups! These are released in
* intelDextroyContext(), above. Changes here should be
* reflected there.
@@ -1067,6 +1062,10 @@ void LOCK_HARDWARE( struct intel_context *intel )
if (intel->driDrawable) {
intel_fb = intel->driDrawable->driverPrivate;
+ if (!intel->driDrawable->validBuffers)
+ intel_update_renderbuffers(intel->driContext,
+ intel->driDrawable);
+
if (intel_fb)
intel_rb =
intel_get_renderbuffer(&intel_fb->Base,
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index 08bea88..57cb247 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -462,6 +462,7 @@ extern void intelGetLock(struct intel_context *intel, GLuint flags);
extern void intelFinish(GLcontext * ctx);
extern void intelFlush(GLcontext * ctx);
+extern void intel_flush(GLcontext * ctx, GLboolean needs_mi_flush);
extern void intelInitDriverFunctions(struct dd_function_table *functions);
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.h b/src/mesa/drivers/dri/intel/intel_extensions.h
index 97147ec..9283ee9 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.h
+++ b/src/mesa/drivers/dri/intel/intel_extensions.h
@@ -32,5 +32,8 @@
extern void
intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
+extern void
+intelFlushDrawable(__DRIdrawable *drawable);
+
#endif
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 6bbc995..7767ff9 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -225,6 +225,28 @@ static const __DRItexBufferExtension intelTexBufferExtension = {
intelSetTexBuffer2,
};
+static void
+intelDRI2Flush(__DRIdrawable *drawable)
+{
+ struct intel_context *intel = drawable->driContextPriv->driverPrivate;
+ GLcontext *ctx = &intel->ctx;
+
+ intel_flush(ctx, GL_TRUE);
+}
+
+static void
+intelDRI2FlushInvalidate(__DRIdrawable *drawable)
+{
+ intelDRI2Flush(drawable);
+ drawable->validBuffers = GL_FALSE;
+}
+
+static const struct __DRI2flushExtensionRec intelFlushExtension = {
+ { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
+ intelDRI2Flush,
+ intelDRI2FlushInvalidate,
+};
+
static const __DRIextension *intelScreenExtensions[] = {
&driReadDrawableExtension,
&driCopySubBufferExtension.base,
@@ -233,6 +255,7 @@ static const __DRIextension *intelScreenExtensions[] = {
&driMediaStreamCounterExtension.base,
&intelTexOffsetExtension.base,
&intelTexBufferExtension.base,
+ &intelFlushExtension.base,
NULL
};
@@ -513,11 +536,9 @@ intelFillInModes(__DRIscreenPrivate *psp,
unsigned back_buffer_factor;
int i;
- /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
- * support pageflipping at all.
- */
static const GLenum back_buffer_modes[] = {
- GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML,
+ GLX_SWAP_EXCHANGE_OML, GLX_SWAP_COPY_OML
};
uint8_t depth_bits_array[3];
@@ -738,11 +759,10 @@ __DRIconfig **intelInitScreen2(__DRIscreenPrivate *psp)
intelScreenPrivate *intelScreen;
GLenum fb_format[3];
GLenum fb_type[3];
- /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
- * support pageflipping at all.
- */
+
static const GLenum back_buffer_modes[] = {
- GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML,
+ GLX_SWAP_EXCHANGE_OML, GLX_SWAP_COPY_OML
};
uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
int color;
diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c b/src/mesa/drivers/dri/intel/intel_tex_image.c
index c5f5220..54c3d16 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -751,7 +751,8 @@ intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
if (!intelObj)
return;
- intel_update_renderbuffers(pDRICtx, dPriv);
+ if (!dPriv->validBuffers)
+ intel_update_renderbuffers(pDRICtx, dPriv);
rb = intel_fb->color_rb[0];
/* If the region isn't set, then intel_update_renderbuffers was unable
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