* \author Brian Paul <brian@precisioninsight.com>
*/
+/**
+ * The following structs are shared between DRISW and DRI2, the DRISW structs
+ * are essentially base classes of the DRI2 structs. DRISW needs to compile on
+ * platforms without DRM, so keep the structs opaque to DRM.
+ */
+
#ifndef _DRI_UTIL_H_
#define _DRI_UTIL_H_
#include <GL/gl.h>
-#include <drm.h>
-#include <drm_sarea.h>
-#include <xf86drm.h>
-#include "xmlconfig.h"
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "GL/internal/dri_interface.h"
+#include <GL/internal/dri_interface.h>
+#include "main/menums.h"
+#include "main/formats.h"
+#include "util/xmlconfig.h"
+#include <stdbool.h>
-#define GLX_BAD_CONTEXT 5
+struct gl_config;
+struct gl_context;
/**
* Extensions.
*/
extern const __DRIcoreExtension driCoreExtension;
+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.
+ *
+ * This is passed as the context_config parameter to CreateContext. The idea
+ * with this struct is that it can be extended without having to modify all of
+ * the drivers. The first three members (major/minor_version and flags) are
+ * always valid, but the remaining members are only valid if the corresponding
+ * flag is set for the attribute. If the flag is not set then the default
+ * value should be assumed. That way the driver can quickly check if any
+ * attributes were set that it doesn't understand and report an error.
+ */
+struct __DriverContextConfig {
+ /* These members are always valid */
+ unsigned major_version;
+ unsigned minor_version;
+ uint32_t flags;
+
+ /* Flags describing which of the remaining members are valid */
+ uint32_t attribute_mask;
+
+ /* Only valid if __DRIVER_CONTEXT_ATTRIB_RESET_STRATEGY is set */
+ int reset_strategy;
+
+ /* 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_RELEASE_BEHAVIOR (1 << 2)
/**
* Driver callback functions.
* this structure.
*/
struct __DriverAPIRec {
- /**
- * Screen destruction callback
- */
+ const __DRIconfig **(*InitScreen) (__DRIscreen * priv);
+
void (*DestroyScreen)(__DRIscreen *driScrnPriv);
- /**
- * Context creation callback
- */
GLboolean (*CreateContext)(gl_api api,
- const struct gl_config *glVis,
- __DRIcontext *driContextPriv,
+ const struct gl_config *glVis,
+ __DRIcontext *driContextPriv,
+ const struct __DriverContextConfig *ctx_config,
+ unsigned *error,
void *sharedContextPrivate);
- /**
- * Context destruction callback
- */
void (*DestroyContext)(__DRIcontext *driContextPriv);
- /**
- * Buffer (drawable) creation callback
- */
GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,
__DRIdrawable *driDrawPriv,
const struct gl_config *glVis,
GLboolean pixmapBuffer);
-
- /**
- * Buffer (drawable) destruction callback
- */
+
void (*DestroyBuffer)(__DRIdrawable *driDrawPriv);
- /**
- * Context activation callback
- */
+ void (*SwapBuffers)(__DRIdrawable *driDrawPriv);
+
GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv,
__DRIdrawable *driDrawPriv,
__DRIdrawable *driReadPriv);
- /**
- * Context unbinding callback
- */
GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);
- /* DRI2 Entry point */
- const __DRIconfig **(*InitScreen2) (__DRIscreen * priv);
-
__DRIbuffer *(*AllocateBuffer) (__DRIscreen *screenPrivate,
- unsigned int attachment,
- unsigned int format,
- int width, int height);
+ unsigned int attachment,
+ unsigned int format,
+ int width, int height);
+
void (*ReleaseBuffer) (__DRIscreen *screenPrivate, __DRIbuffer *buffer);
+
+ void (*CopySubBuffer)(__DRIdrawable *driDrawPriv, int x, int y,
+ int w, int h);
};
extern const struct __DriverAPIRec driDriverAPI;
-
+extern const struct __DriverAPIRec *globalDriverAPI;
/**
- * Per-drawable private DRI driver information.
+ * Per-screen private driver information.
*/
-struct __DRIdrawableRec {
+struct __DRIscreenRec {
/**
- * Driver's private drawable information.
- *
- * This structure is opaque.
+ * Driver-specific entrypoints provided by the driver's
+ * __DRIDriverVtableExtensionRec.
*/
- void *driverPrivate;
+ const struct __DriverAPIRec *driver;
/**
- * Private data from the loader. We just hold on to it and pass
- * it back when calling into loader provided functions.
+ * Current screen's number
*/
- void *loaderPrivate;
+ int myNum;
/**
- * Reference count for number of context's currently bound to this
- * drawable.
- *
- * Once it reaches zero, the drawable can be destroyed.
- *
- * \note This behavior will change with GLX 1.3.
+ * File descriptor returned when the kernel device driver is opened.
+ *
+ * Used to:
+ * - authenticate client to kernel
+ * - map the frame buffer, SAREA, etc.
+ * - close the kernel device driver
*/
- int refcount;
+ int fd;
/**
- * Pointer to the "drawable has changed ID" stamp in the SAREA (or
- * to dri2.stamp if DRI2 is being used).
+ * Device-dependent private information (not stored in the SAREA).
+ *
+ * This pointer is never touched by the DRI layer.
*/
- unsigned int *pStamp;
+ void *driverPrivate;
- /**
- * Last value of the stamp.
- *
- * If this differs from the value stored at __DRIdrawable::pStamp,
- * then the drawable information has been modified by the X server, and the
- * drawable information (below) should be retrieved from the X server.
- */
- unsigned int lastStamp;
+ void *loaderPrivate;
- int w, h;
+ int max_gl_core_version;
+ int max_gl_compat_version;
+ int max_gl_es1_version;
+ int max_gl_es2_version;
- /**
- * Pointer to context to which this drawable is currently bound.
- */
- __DRIcontext *driContextPriv;
+ const __DRIextension **extensions;
- /**
- * Pointer to screen on which this drawable was created.
- */
- __DRIscreen *driScreenPriv;
+ const __DRIswrastLoaderExtension *swrast_loader;
struct {
- unsigned int stamp;
+ /* Flag to indicate that this is a DRI2 screen. Many of the above
+ * fields will not be valid or initializaed in that case. */
+ const __DRIdri2LoaderExtension *loader;
+ const __DRIimageLookupExtension *image;
+ const __DRIuseInvalidateExtension *useInvalidate;
+ const __DRIbackgroundCallableExtension *backgroundCallable;
} dri2;
+
+ struct {
+ const __DRIimageLoaderExtension *loader;
+ } image;
+
+ struct {
+ const __DRImutableRenderBufferLoaderExtension *loader;
+ } mutableRenderBuffer;
+
+ driOptionCache optionInfo;
+ driOptionCache optionCache;
+
+ unsigned int api_mask;
};
/**
*/
void *driverPrivate;
+ /**
+ * The loaders's private context data. This structure is opaque.
+ */
+ void *loaderPrivate;
+
/**
* Pointer to drawable currently bound to this context for drawing.
*/
*/
__DRIscreen *driScreenPriv;
- /**
- * The loaders's private context data. This structure is opaque.
- */
- void *loaderPrivate;
-
struct {
int draw_stamp;
int read_stamp;
};
/**
- * Per-screen private driver information.
+ * Per-drawable private DRI driver information.
*/
-struct __DRIscreenRec {
+struct __DRIdrawableRec {
/**
- * Current screen's number
+ * Driver's private drawable information.
+ *
+ * This structure is opaque.
*/
- int myNum;
+ void *driverPrivate;
/**
- * Callback functions into the hardware-specific DRI driver code.
+ * Private data from the loader. We just hold on to it and pass
+ * it back when calling into loader provided functions.
*/
- struct __DriverAPIRec DriverAPI;
+ void *loaderPrivate;
- const __DRIextension **extensions;
+ /**
+ * Pointer to context to which this drawable is currently bound.
+ */
+ __DRIcontext *driContextPriv;
/**
- * DRM (kernel module) version information.
+ * Pointer to screen on which this drawable was created.
*/
- __DRIversion drm_version;
+ __DRIscreen *driScreenPriv;
/**
- * File descriptor returned when the kernel device driver is opened.
- *
- * Used to:
- * - authenticate client to kernel
- * - map the frame buffer, SAREA, etc.
- * - close the kernel device driver
+ * Reference count for number of context's currently bound to this
+ * drawable.
+ *
+ * Once it reaches zero, the drawable can be destroyed.
+ *
+ * \note This behavior will change with GLX 1.3.
*/
- int fd;
+ int refcount;
/**
- * Device-dependent private information (not stored in the SAREA).
- *
- * This pointer is never touched by the DRI layer.
+ * Last value of the stamp.
+ *
+ * If this differs from the value stored at __DRIdrawable::dri2.stamp,
+ * then the drawable information has been modified by the X server, and the
+ * drawable information (below) should be retrieved from the X server.
*/
-#ifdef __cplusplus
- void *priv;
-#else
- void *private;
-#endif
+ unsigned int lastStamp;
+
+ int w, h;
+ /**
+ * Drawable timestamp. Increased when the loader calls invalidate.
+ */
struct {
- /* Flag to indicate that this is a DRI2 screen. Many of the above
- * fields will not be valid or initializaed in that case. */
- __DRIdri2LoaderExtension *loader;
- __DRIimageLookupExtension *image;
- __DRIuseInvalidateExtension *useInvalidate;
+ unsigned int stamp;
} dri2;
-
- driOptionCache optionInfo;
- driOptionCache optionCache;
- unsigned int api_mask;
- void *loaderPrivate;
};
+extern uint32_t
+driGLFormatToImageFormat(mesa_format format);
+
+extern mesa_format
+driImageFormatToGLFormat(uint32_t image_format);
+
extern void
dri2InvalidateDrawable(__DRIdrawable *drawable);
+extern void
+driUpdateFramebufferSize(struct gl_context *ctx, const __DRIdrawable *dPriv);
+
+extern void
+driContextSetFlags(struct gl_context *ctx, uint32_t flags);
+
+extern const __DRIimageDriverExtension driImageDriverExtension;
+
+extern const __DRInoErrorExtension dri2NoErrorExtension;
+
#endif /* _DRI_UTIL_H_ */
projects / mesa.git / blobdiff