0,0 → 1,862 |
/* |
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
* Copyright 2007-2008 Red Hat, Inc. |
* (C) Copyright IBM Corporation 2004 |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* on the rights to use, copy, modify, merge, publish, distribute, sub |
* license, and/or sell copies of the Software, and to permit persons to whom |
* the Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
*/ |
|
/** |
* \file dri_interface.h |
* |
* This file contains all the types and functions that define the interface |
* between a DRI driver and driver loader. Currently, the most common driver |
* loader is the XFree86 libGL.so. However, other loaders do exist, and in |
* the future the server-side libglx.a will also be a loader. |
* |
* \author Kevin E. Martin <kevin@precisioninsight.com> |
* \author Ian Romanick <idr@us.ibm.com> |
* \author Kristian Høgsberg <krh@redhat.com> |
*/ |
|
#ifndef DRI_INTERFACE_H |
#define DRI_INTERFACE_H |
|
/* For archs with no drm.h */ |
#if defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__) |
#ifndef __NOT_HAVE_DRM_H |
#define __NOT_HAVE_DRM_H |
#endif |
#endif |
|
#ifndef __NOT_HAVE_DRM_H |
#include <drm.h> |
#else |
typedef unsigned int drm_context_t; |
typedef unsigned int drm_drawable_t; |
typedef struct drm_clip_rect drm_clip_rect_t; |
#endif |
|
/** |
* \name DRI interface structures |
* |
* The following structures define the interface between the GLX client |
* side library and the DRI (direct rendering infrastructure). |
*/ |
/*@{*/ |
typedef struct __DRIdisplayRec __DRIdisplay; |
typedef struct __DRIscreenRec __DRIscreen; |
typedef struct __DRIcontextRec __DRIcontext; |
typedef struct __DRIdrawableRec __DRIdrawable; |
typedef struct __DRIconfigRec __DRIconfig; |
typedef struct __DRIframebufferRec __DRIframebuffer; |
typedef struct __DRIversionRec __DRIversion; |
|
typedef struct __DRIcoreExtensionRec __DRIcoreExtension; |
typedef struct __DRIextensionRec __DRIextension; |
typedef struct __DRIcopySubBufferExtensionRec __DRIcopySubBufferExtension; |
typedef struct __DRIswapControlExtensionRec __DRIswapControlExtension; |
typedef struct __DRIframeTrackingExtensionRec __DRIframeTrackingExtension; |
typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension; |
typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension; |
typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension; |
typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension; |
typedef struct __DRIswrastExtensionRec __DRIswrastExtension; |
typedef struct __DRIbufferRec __DRIbuffer; |
typedef struct __DRIdri2ExtensionRec __DRIdri2Extension; |
typedef struct __DRIdri2LoaderExtensionRec __DRIdri2LoaderExtension; |
typedef struct __DRI2flushExtensionRec __DRI2flushExtension; |
|
/*@}*/ |
|
|
/** |
* Extension struct. Drivers 'inherit' from this struct by embedding |
* it as the first element in the extension struct. |
* |
* We never break API in for a DRI extension. If we need to change |
* the way things work in a non-backwards compatible manner, we |
* introduce a new extension. During a transition period, we can |
* leave both the old and the new extension in the driver, which |
* allows us to move to the new interface without having to update the |
* loader(s) in lock step. |
* |
* However, we can add entry points to an extension over time as long |
* as we don't break the old ones. As we add entry points to an |
* extension, we increase the version number. The corresponding |
* #define can be used to guard code that accesses the new entry |
* points at compile time and the version field in the extension |
* struct can be used at run-time to determine how to use the |
* extension. |
*/ |
struct __DRIextensionRec { |
const char *name; |
int version; |
}; |
|
/** |
* The first set of extension are the screen extensions, returned by |
* __DRIcore::getExtensions(). This entry point will return a list of |
* extensions and the loader can use the ones it knows about by |
* casting them to more specific extensions and advertising any GLX |
* extensions the DRI extensions enables. |
*/ |
|
/** |
* Used by drivers to indicate support for setting the read drawable. |
*/ |
#define __DRI_READ_DRAWABLE "DRI_ReadDrawable" |
#define __DRI_READ_DRAWABLE_VERSION 1 |
|
/** |
* Used by drivers that implement the GLX_MESA_copy_sub_buffer extension. |
*/ |
#define __DRI_COPY_SUB_BUFFER "DRI_CopySubBuffer" |
#define __DRI_COPY_SUB_BUFFER_VERSION 1 |
struct __DRIcopySubBufferExtensionRec { |
__DRIextension base; |
void (*copySubBuffer)(__DRIdrawable *drawable, int x, int y, int w, int h); |
}; |
|
/** |
* Used by drivers that implement the GLX_SGI_swap_control or |
* GLX_MESA_swap_control extension. |
*/ |
#define __DRI_SWAP_CONTROL "DRI_SwapControl" |
#define __DRI_SWAP_CONTROL_VERSION 1 |
struct __DRIswapControlExtensionRec { |
__DRIextension base; |
void (*setSwapInterval)(__DRIdrawable *drawable, unsigned int inteval); |
unsigned int (*getSwapInterval)(__DRIdrawable *drawable); |
}; |
|
/** |
* Used by drivers that implement the GLX_MESA_swap_frame_usage extension. |
*/ |
#define __DRI_FRAME_TRACKING "DRI_FrameTracking" |
#define __DRI_FRAME_TRACKING_VERSION 1 |
struct __DRIframeTrackingExtensionRec { |
__DRIextension base; |
|
/** |
* Enable or disable frame usage tracking. |
* |
* \since Internal API version 20030317. |
*/ |
int (*frameTracking)(__DRIdrawable *drawable, GLboolean enable); |
|
/** |
* Retrieve frame usage information. |
* |
* \since Internal API version 20030317. |
*/ |
int (*queryFrameTracking)(__DRIdrawable *drawable, |
int64_t * sbc, int64_t * missedFrames, |
float * lastMissedUsage, float * usage); |
}; |
|
|
/** |
* Used by drivers that implement the GLX_SGI_video_sync extension. |
*/ |
#define __DRI_MEDIA_STREAM_COUNTER "DRI_MediaStreamCounter" |
#define __DRI_MEDIA_STREAM_COUNTER_VERSION 1 |
struct __DRImediaStreamCounterExtensionRec { |
__DRIextension base; |
|
/** |
* Wait for the MSC to equal target_msc, or, if that has already passed, |
* the next time (MSC % divisor) is equal to remainder. If divisor is |
* zero, the function will return as soon as MSC is greater than or equal |
* to target_msc. |
*/ |
int (*waitForMSC)(__DRIdrawable *drawable, |
int64_t target_msc, int64_t divisor, int64_t remainder, |
int64_t * msc, int64_t * sbc); |
|
/** |
* Get the number of vertical refreshes since some point in time before |
* this function was first called (i.e., system start up). |
*/ |
int (*getDrawableMSC)(__DRIscreen *screen, __DRIdrawable *drawable, |
int64_t *msc); |
}; |
|
|
#define __DRI_TEX_OFFSET "DRI_TexOffset" |
#define __DRI_TEX_OFFSET_VERSION 1 |
struct __DRItexOffsetExtensionRec { |
__DRIextension base; |
|
/** |
* Method to override base texture image with a driver specific 'offset'. |
* The depth passed in allows e.g. to ignore the alpha channel of texture |
* images where the non-alpha components don't occupy a whole texel. |
* |
* For GLX_EXT_texture_from_pixmap with AIGLX. |
*/ |
void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, |
unsigned long long offset, GLint depth, GLuint pitch); |
}; |
|
|
/* Valid values for format in the setTexBuffer2 function below. These |
* values match the GLX tokens for compatibility reasons, but we |
* define them here since the DRI interface can't depend on GLX. */ |
#define __DRI_TEXTURE_FORMAT_NONE 0x20D8 |
#define __DRI_TEXTURE_FORMAT_RGB 0x20D9 |
#define __DRI_TEXTURE_FORMAT_RGBA 0x20DA |
|
#define __DRI_TEX_BUFFER "DRI_TexBuffer" |
#define __DRI_TEX_BUFFER_VERSION 2 |
struct __DRItexBufferExtensionRec { |
__DRIextension base; |
|
/** |
* Method to override base texture image with the contents of a |
* __DRIdrawable. |
* |
* For GLX_EXT_texture_from_pixmap with AIGLX. Deprecated in favor of |
* setTexBuffer2 in version 2 of this interface |
*/ |
void (*setTexBuffer)(__DRIcontext *pDRICtx, |
GLint target, |
__DRIdrawable *pDraw); |
|
/** |
* Method to override base texture image with the contents of a |
* __DRIdrawable, including the required texture format attribute. |
* |
* For GLX_EXT_texture_from_pixmap with AIGLX. |
*/ |
void (*setTexBuffer2)(__DRIcontext *pDRICtx, |
GLint target, |
GLint format, |
__DRIdrawable *pDraw); |
}; |
|
/** |
* Used by drivers that implement DRI2 |
*/ |
#define __DRI2_FLUSH "DRI2_Flush" |
#define __DRI2_FLUSH_VERSION 3 |
struct __DRI2flushExtensionRec { |
__DRIextension base; |
void (*flush)(__DRIdrawable *drawable); |
|
/** |
* Ask the driver to call getBuffers/getBuffersWithFormat before |
* it starts rendering again. |
* |
* \param drawable the drawable to invalidate |
* |
* \since 3 |
*/ |
void (*invalidate)(__DRIdrawable *drawable); |
}; |
|
|
/** |
* XML document describing the configuration options supported by the |
* driver. |
*/ |
extern const char __driConfigOptions[]; |
|
/*@}*/ |
|
/** |
* The following extensions describe loader features that the DRI |
* driver can make use of. Some of these are mandatory, such as the |
* getDrawableInfo extension for DRI and the DRI Loader extensions for |
* DRI2, while others are optional, and if present allow the driver to |
* expose certain features. The loader pass in a NULL terminated |
* array of these extensions to the driver in the createNewScreen |
* constructor. |
*/ |
|
typedef struct __DRIgetDrawableInfoExtensionRec __DRIgetDrawableInfoExtension; |
typedef struct __DRIsystemTimeExtensionRec __DRIsystemTimeExtension; |
typedef struct __DRIdamageExtensionRec __DRIdamageExtension; |
typedef struct __DRIloaderExtensionRec __DRIloaderExtension; |
typedef struct __DRIswrastLoaderExtensionRec __DRIswrastLoaderExtension; |
|
|
/** |
* Callback to getDrawableInfo protocol |
*/ |
#define __DRI_GET_DRAWABLE_INFO "DRI_GetDrawableInfo" |
#define __DRI_GET_DRAWABLE_INFO_VERSION 1 |
struct __DRIgetDrawableInfoExtensionRec { |
__DRIextension base; |
|
/** |
* This function is used to get information about the position, size, and |
* clip rects of a drawable. |
*/ |
GLboolean (* getDrawableInfo) ( __DRIdrawable *drawable, |
unsigned int * index, unsigned int * stamp, |
int * x, int * y, int * width, int * height, |
int * numClipRects, drm_clip_rect_t ** pClipRects, |
int * backX, int * backY, |
int * numBackClipRects, drm_clip_rect_t ** pBackClipRects, |
void *loaderPrivate); |
}; |
|
/** |
* Callback to get system time for media stream counter extensions. |
*/ |
#define __DRI_SYSTEM_TIME "DRI_SystemTime" |
#define __DRI_SYSTEM_TIME_VERSION 1 |
struct __DRIsystemTimeExtensionRec { |
__DRIextension base; |
|
/** |
* Get the 64-bit unadjusted system time (UST). |
*/ |
int (*getUST)(int64_t * ust); |
|
/** |
* Get the media stream counter (MSC) rate. |
* |
* Matching the definition in GLX_OML_sync_control, this function returns |
* the rate of the "media stream counter". In practical terms, this is |
* the frame refresh rate of the display. |
*/ |
GLboolean (*getMSCRate)(__DRIdrawable *draw, |
int32_t * numerator, int32_t * denominator, |
void *loaderPrivate); |
}; |
|
/** |
* Damage reporting |
*/ |
#define __DRI_DAMAGE "DRI_Damage" |
#define __DRI_DAMAGE_VERSION 1 |
struct __DRIdamageExtensionRec { |
__DRIextension base; |
|
/** |
* Reports areas of the given drawable which have been modified by the |
* driver. |
* |
* \param drawable which the drawing was done to. |
* \param rects rectangles affected, with the drawable origin as the |
* origin. |
* \param x X offset of the drawable within the screen (used in the |
* front_buffer case) |
* \param y Y offset of the drawable within the screen. |
* \param front_buffer boolean flag for whether the drawing to the |
* drawable was actually done directly to the front buffer (instead |
* of backing storage, for example) |
* \param loaderPrivate the data passed in at createNewDrawable time |
*/ |
void (*reportDamage)(__DRIdrawable *draw, |
int x, int y, |
drm_clip_rect_t *rects, int num_rects, |
GLboolean front_buffer, |
void *loaderPrivate); |
}; |
|
#define __DRI_SWRAST_IMAGE_OP_DRAW 1 |
#define __DRI_SWRAST_IMAGE_OP_CLEAR 2 |
#define __DRI_SWRAST_IMAGE_OP_SWAP 3 |
|
/** |
* SWRast Loader extension. |
*/ |
#define __DRI_SWRAST_LOADER "DRI_SWRastLoader" |
#define __DRI_SWRAST_LOADER_VERSION 1 |
struct __DRIswrastLoaderExtensionRec { |
__DRIextension base; |
|
/* |
* Drawable position and size |
*/ |
void (*getDrawableInfo)(__DRIdrawable *drawable, |
int *x, int *y, int *width, int *height, |
void *loaderPrivate); |
|
/** |
* Put image to drawable |
*/ |
void (*putImage)(__DRIdrawable *drawable, int op, |
int x, int y, int width, int height, |
char *data, void *loaderPrivate); |
|
/** |
* Get image from readable |
*/ |
void (*getImage)(__DRIdrawable *readable, |
int x, int y, int width, int height, |
char *data, void *loaderPrivate); |
}; |
|
/** |
* Invalidate loader extension. The presence of this extension |
* indicates to the DRI driver that the loader will call invalidate in |
* the __DRI2_FLUSH extension, whenever the needs to query for new |
* buffers. This means that the DRI driver can drop the polling in |
* glViewport(). |
* |
* The extension doesn't provide any functionality, it's only use to |
* indicate to the driver that it can use the new semantics. A DRI |
* driver can use this to switch between the different semantics or |
* just refuse to initialize if this extension isn't present. |
*/ |
#define __DRI_USE_INVALIDATE "DRI_UseInvalidate" |
#define __DRI_USE_INVALIDATE_VERSION 1 |
|
typedef struct __DRIuseInvalidateExtensionRec __DRIuseInvalidateExtension; |
struct __DRIuseInvalidateExtensionRec { |
__DRIextension base; |
}; |
|
/** |
* The remaining extensions describe driver extensions, immediately |
* available interfaces provided by the driver. To start using the |
* driver, dlsym() for the __DRI_DRIVER_EXTENSIONS symbol and look for |
* the extension you need in the array. |
*/ |
#define __DRI_DRIVER_EXTENSIONS "__driDriverExtensions" |
|
/** |
* Tokens for __DRIconfig attribs. A number of attributes defined by |
* GLX or EGL standards are not in the table, as they must be provided |
* by the loader. For example, FBConfig ID or visual ID, drawable type. |
*/ |
|
#define __DRI_ATTRIB_BUFFER_SIZE 1 |
#define __DRI_ATTRIB_LEVEL 2 |
#define __DRI_ATTRIB_RED_SIZE 3 |
#define __DRI_ATTRIB_GREEN_SIZE 4 |
#define __DRI_ATTRIB_BLUE_SIZE 5 |
#define __DRI_ATTRIB_LUMINANCE_SIZE 6 |
#define __DRI_ATTRIB_ALPHA_SIZE 7 |
#define __DRI_ATTRIB_ALPHA_MASK_SIZE 8 |
#define __DRI_ATTRIB_DEPTH_SIZE 9 |
#define __DRI_ATTRIB_STENCIL_SIZE 10 |
#define __DRI_ATTRIB_ACCUM_RED_SIZE 11 |
#define __DRI_ATTRIB_ACCUM_GREEN_SIZE 12 |
#define __DRI_ATTRIB_ACCUM_BLUE_SIZE 13 |
#define __DRI_ATTRIB_ACCUM_ALPHA_SIZE 14 |
#define __DRI_ATTRIB_SAMPLE_BUFFERS 15 |
#define __DRI_ATTRIB_SAMPLES 16 |
#define __DRI_ATTRIB_RENDER_TYPE 17 |
#define __DRI_ATTRIB_CONFIG_CAVEAT 18 |
#define __DRI_ATTRIB_CONFORMANT 19 |
#define __DRI_ATTRIB_DOUBLE_BUFFER 20 |
#define __DRI_ATTRIB_STEREO 21 |
#define __DRI_ATTRIB_AUX_BUFFERS 22 |
#define __DRI_ATTRIB_TRANSPARENT_TYPE 23 |
#define __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE 24 |
#define __DRI_ATTRIB_TRANSPARENT_RED_VALUE 25 |
#define __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE 26 |
#define __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE 27 |
#define __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE 28 |
#define __DRI_ATTRIB_FLOAT_MODE 29 |
#define __DRI_ATTRIB_RED_MASK 30 |
#define __DRI_ATTRIB_GREEN_MASK 31 |
#define __DRI_ATTRIB_BLUE_MASK 32 |
#define __DRI_ATTRIB_ALPHA_MASK 33 |
#define __DRI_ATTRIB_MAX_PBUFFER_WIDTH 34 |
#define __DRI_ATTRIB_MAX_PBUFFER_HEIGHT 35 |
#define __DRI_ATTRIB_MAX_PBUFFER_PIXELS 36 |
#define __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH 37 |
#define __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT 38 |
#define __DRI_ATTRIB_VISUAL_SELECT_GROUP 39 |
#define __DRI_ATTRIB_SWAP_METHOD 40 |
#define __DRI_ATTRIB_MAX_SWAP_INTERVAL 41 |
#define __DRI_ATTRIB_MIN_SWAP_INTERVAL 42 |
#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGB 43 |
#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA 44 |
#define __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE 45 |
#define __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS 46 |
#define __DRI_ATTRIB_YINVERTED 47 |
|
/* __DRI_ATTRIB_RENDER_TYPE */ |
#define __DRI_ATTRIB_RGBA_BIT 0x01 |
#define __DRI_ATTRIB_COLOR_INDEX_BIT 0x02 |
#define __DRI_ATTRIB_LUMINANCE_BIT 0x04 |
|
/* __DRI_ATTRIB_CONFIG_CAVEAT */ |
#define __DRI_ATTRIB_SLOW_BIT 0x01 |
#define __DRI_ATTRIB_NON_CONFORMANT_CONFIG 0x02 |
|
/* __DRI_ATTRIB_TRANSPARENT_TYPE */ |
#define __DRI_ATTRIB_TRANSPARENT_RGB 0x00 |
#define __DRI_ATTRIB_TRANSPARENT_INDEX 0x01 |
|
/* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */ |
#define __DRI_ATTRIB_TEXTURE_1D_BIT 0x01 |
#define __DRI_ATTRIB_TEXTURE_2D_BIT 0x02 |
#define __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT 0x04 |
|
/** |
* This extension defines the core DRI functionality. |
*/ |
#define __DRI_CORE "DRI_Core" |
#define __DRI_CORE_VERSION 1 |
|
struct __DRIcoreExtensionRec { |
__DRIextension base; |
|
__DRIscreen *(*createNewScreen)(int screen, int fd, |
unsigned int sarea_handle, |
const __DRIextension **extensions, |
const __DRIconfig ***driverConfigs, |
void *loaderPrivate); |
|
void (*destroyScreen)(__DRIscreen *screen); |
|
const __DRIextension **(*getExtensions)(__DRIscreen *screen); |
|
int (*getConfigAttrib)(const __DRIconfig *config, |
unsigned int attrib, |
unsigned int *value); |
|
int (*indexConfigAttrib)(const __DRIconfig *config, int index, |
unsigned int *attrib, unsigned int *value); |
|
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, |
const __DRIconfig *config, |
unsigned int drawable_id, |
unsigned int head, |
void *loaderPrivate); |
|
void (*destroyDrawable)(__DRIdrawable *drawable); |
|
void (*swapBuffers)(__DRIdrawable *drawable); |
|
__DRIcontext *(*createNewContext)(__DRIscreen *screen, |
const __DRIconfig *config, |
__DRIcontext *shared, |
void *loaderPrivate); |
|
int (*copyContext)(__DRIcontext *dest, |
__DRIcontext *src, |
unsigned long mask); |
|
void (*destroyContext)(__DRIcontext *context); |
|
int (*bindContext)(__DRIcontext *ctx, |
__DRIdrawable *pdraw, |
__DRIdrawable *pread); |
|
int (*unbindContext)(__DRIcontext *ctx); |
}; |
|
/** |
* Stored version of some component (i.e., server-side DRI module, kernel-side |
* DRM, etc.). |
* |
* \todo |
* There are several data structures that explicitly store a major version, |
* minor version, and patch level. These structures should be modified to |
* have a \c __DRIversionRec instead. |
*/ |
struct __DRIversionRec { |
int major; /**< Major version number. */ |
int minor; /**< Minor version number. */ |
int patch; /**< Patch-level. */ |
}; |
|
/** |
* Framebuffer information record. Used by libGL to communicate information |
* about the framebuffer to the driver's \c __driCreateNewScreen function. |
* |
* In XFree86, most of this information is derrived from data returned by |
* calling \c XF86DRIGetDeviceInfo. |
* |
* \sa XF86DRIGetDeviceInfo __DRIdisplayRec::createNewScreen |
* __driUtilCreateNewScreen CallCreateNewScreen |
* |
* \bug This structure could be better named. |
*/ |
struct __DRIframebufferRec { |
unsigned char *base; /**< Framebuffer base address in the CPU's |
* address space. This value is calculated by |
* calling \c drmMap on the framebuffer handle |
* returned by \c XF86DRIGetDeviceInfo (or a |
* similar function). |
*/ |
int size; /**< Framebuffer size, in bytes. */ |
int stride; /**< Number of bytes from one line to the next. */ |
int width; /**< Pixel width of the framebuffer. */ |
int height; /**< Pixel height of the framebuffer. */ |
int dev_priv_size; /**< Size of the driver's dev-priv structure. */ |
void *dev_priv; /**< Pointer to the driver's dev-priv structure. */ |
}; |
|
|
/** |
* This extension provides alternative screen, drawable and context |
* constructors for legacy DRI functionality. This is used in |
* conjunction with the core extension. |
*/ |
#define __DRI_LEGACY "DRI_Legacy" |
#define __DRI_LEGACY_VERSION 1 |
|
struct __DRIlegacyExtensionRec { |
__DRIextension base; |
|
__DRIscreen *(*createNewScreen)(int screen, |
const __DRIversion *ddx_version, |
const __DRIversion *dri_version, |
const __DRIversion *drm_version, |
const __DRIframebuffer *frame_buffer, |
void *pSAREA, int fd, |
const __DRIextension **extensions, |
const __DRIconfig ***driver_configs, |
void *loaderPrivate); |
|
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, |
const __DRIconfig *config, |
drm_drawable_t hwDrawable, |
int renderType, const int *attrs, |
void *loaderPrivate); |
|
__DRIcontext *(*createNewContext)(__DRIscreen *screen, |
const __DRIconfig *config, |
int render_type, |
__DRIcontext *shared, |
drm_context_t hwContext, |
void *loaderPrivate); |
}; |
|
/** |
* This extension provides alternative screen, drawable and context |
* constructors for swrast DRI functionality. This is used in |
* conjunction with the core extension. |
*/ |
#define __DRI_SWRAST "DRI_SWRast" |
#define __DRI_SWRAST_VERSION 1 |
|
struct __DRIswrastExtensionRec { |
__DRIextension base; |
|
__DRIscreen *(*createNewScreen)(int screen, |
const __DRIextension **extensions, |
const __DRIconfig ***driver_configs, |
void *loaderPrivate); |
|
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, |
const __DRIconfig *config, |
void *loaderPrivate); |
}; |
|
/** |
* DRI2 Loader extension. |
*/ |
#define __DRI_BUFFER_FRONT_LEFT 0 |
#define __DRI_BUFFER_BACK_LEFT 1 |
#define __DRI_BUFFER_FRONT_RIGHT 2 |
#define __DRI_BUFFER_BACK_RIGHT 3 |
#define __DRI_BUFFER_DEPTH 4 |
#define __DRI_BUFFER_STENCIL 5 |
#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; |
unsigned int name; |
unsigned int pitch; |
unsigned int cpp; |
unsigned int flags; |
}; |
|
#define __DRI_DRI2_LOADER "DRI_DRI2Loader" |
#define __DRI_DRI2_LOADER_VERSION 3 |
struct __DRIdri2LoaderExtensionRec { |
__DRIextension base; |
|
__DRIbuffer *(*getBuffers)(__DRIdrawable *driDrawable, |
int *width, int *height, |
unsigned int *attachments, int count, |
int *out_count, void *loaderPrivate); |
|
/** |
* Flush pending front-buffer rendering |
* |
* Any rendering that has been performed to the |
* \c __DRI_BUFFER_FAKE_FRONT_LEFT will be flushed to the |
* \c __DRI_BUFFER_FRONT_LEFT. |
* |
* \param driDrawable Drawable whose front-buffer is to be flushed |
* \param loaderPrivate Loader's private data that was previously passed |
* 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); |
}; |
|
/** |
* This extension provides alternative screen, drawable and context |
* constructors for DRI2. |
*/ |
#define __DRI_DRI2 "DRI_DRI2" |
#define __DRI_DRI2_VERSION 2 |
|
#define __DRI_API_OPENGL 0 |
#define __DRI_API_GLES 1 |
#define __DRI_API_GLES2 2 |
|
struct __DRIdri2ExtensionRec { |
__DRIextension base; |
|
__DRIscreen *(*createNewScreen)(int screen, int fd, |
const __DRIextension **extensions, |
const __DRIconfig ***driver_configs, |
void *loaderPrivate); |
|
__DRIdrawable *(*createNewDrawable)(__DRIscreen *screen, |
const __DRIconfig *config, |
void *loaderPrivate); |
|
__DRIcontext *(*createNewContext)(__DRIscreen *screen, |
const __DRIconfig *config, |
__DRIcontext *shared, |
void *loaderPrivate); |
|
/* Since version 2 */ |
unsigned int (*getAPIMask)(__DRIscreen *screen); |
|
__DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen, |
int api, |
const __DRIconfig *config, |
__DRIcontext *shared, |
void *data); |
}; |
|
|
/** |
* This extension provides functionality to enable various EGLImage |
* extensions. |
*/ |
#define __DRI_IMAGE "DRI_IMAGE" |
#define __DRI_IMAGE_VERSION 1 |
|
/** |
* These formats correspond to the similarly named MESA_FORMAT_* |
* tokens, except in the native endian of the CPU. For example, on |
* little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to |
* MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian. |
*/ |
#define __DRI_IMAGE_FORMAT_RGB565 0x1001 |
#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002 |
#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003 |
|
#define __DRI_IMAGE_USE_SHARE 0x0001 |
#define __DRI_IMAGE_USE_SCANOUT 0x0002 |
|
/** |
* queryImage attributes |
*/ |
|
#define __DRI_IMAGE_ATTRIB_STRIDE 0x2000 |
#define __DRI_IMAGE_ATTRIB_HANDLE 0x2001 |
#define __DRI_IMAGE_ATTRIB_NAME 0x2002 |
|
typedef struct __DRIimageRec __DRIimage; |
typedef struct __DRIimageExtensionRec __DRIimageExtension; |
struct __DRIimageExtensionRec { |
__DRIextension base; |
|
__DRIimage *(*createImageFromName)(__DRIscreen *screen, |
int width, int height, int format, |
int name, int pitch, |
void *loaderPrivate); |
|
__DRIimage *(*createImageFromRenderbuffer)(__DRIcontext *context, |
int renderbuffer, |
void *loaderPrivate); |
|
void (*destroyImage)(__DRIimage *image); |
|
__DRIimage *(*createImage)(__DRIscreen *screen, |
int width, int height, int format, |
unsigned int use, |
void *loaderPrivate); |
|
GLboolean (*queryImage)(__DRIimage *image, int attrib, int *value); |
}; |
|
|
/** |
* This extension must be implemented by the loader and passed to the |
* driver at screen creation time. The EGLImage entry points in the |
* various client APIs take opaque EGLImage handles and use this |
* extension to map them to a __DRIimage. At version 1, this |
* extensions allows mapping EGLImage pointers to __DRIimage pointers, |
* but future versions could support other EGLImage-like, opaque types |
* with new lookup functions. |
*/ |
#define __DRI_IMAGE_LOOKUP "DRI_IMAGE_LOOKUP" |
#define __DRI_IMAGE_LOOKUP_VERSION 1 |
|
typedef struct __DRIimageLookupExtensionRec __DRIimageLookupExtension; |
struct __DRIimageLookupExtensionRec { |
__DRIextension base; |
|
__DRIimage *(*lookupEGLImage)(__DRIscreen *screen, void *image, |
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 |