From: Ian Romanick Date: Wed, 24 Aug 2011 21:50:12 +0000 (-0700) Subject: mesa: Remove obsolete linux-fbdev software driver X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=17645103aaa937d24d58d110b845200c637c2365;p=mesa.git mesa: Remove obsolete linux-fbdev software driver Acked-by: Kristian Høgsberg Acked-by: Marek Olšák Acked-by: Alan Coopersmith Acked-by: Jakob Bornecrantz Acked-by: Dave Airlie Build-Tested-by: Jakob Bornecrantz Tested-by: Eugeni Dodonov --- diff --git a/configs/linux-fbdev b/configs/linux-fbdev deleted file mode 100644 index 45b482a9100..00000000000 --- a/configs/linux-fbdev +++ /dev/null @@ -1,16 +0,0 @@ -# Configuration for Linux fbdev interface - -include $(TOP)/configs/linux - -CONFIG_NAME = linux-fbdev - -CFLAGS += -DUSE_GLFBDEV_DRIVER - -# Work around aliasing bugs - developers should comment this out -CFLAGS += -fno-strict-aliasing - -DRIVER_DIRS = fbdev osmesa - -GL_LIB_DEPS = $(EXTRA_LIB_PATH) -lm -lpthread -OSMESA_LIB_DEPS = -lm -lpthread - diff --git a/docs/contents.html b/docs/contents.html index 46e458ee174..df0fb647499 100644 --- a/docs/contents.html +++ b/docs/contents.html @@ -76,9 +76,7 @@ a:visited {

Cell Driver diff --git a/docs/fbdev-dri.html b/docs/fbdev-dri.html deleted file mode 100644 index 0eea5e8e324..00000000000 --- a/docs/fbdev-dri.html +++ /dev/null @@ -1,343 +0,0 @@ -Mesa fbdev/DRI Environment - - - - - - - -

Mesa fbdev/DRI Drivers

-
- -

NOTE: this information is obsolete and will be removed at -a future date

- -

1. Introduction

- -

-The fbdev/DRI environment supports hardware-accelerated 3D rendering without -the X window system. This is typically used for embedded applications. -

- -

-Contributors to this project include Jon Smirl, Keith Whitwell and Dave Airlie. -

- -

-Applications in the fbdev/DRI environment use -the MiniGLX interface to choose pixel -formats, create rendering contexts, etc. It's a subset of the GLX and -Xlib interfaces allowing some degree of application portability between -the X and X-less environments. -

- -

-Note that this environment is not well-supported and these instructions -may not be completely up to date. -

-
- - - -

2. Compilation

- -

2.1 glxproto

- -Get glxproto.h. Copy it to the /mesa/include/GL/ directory. -

- -

2.2 libpciaccess

-Check if you have libpciaccess installed: -

- -

pkg-config --modversion pciaccess
-

-If not you can download the latest code from: -

   git clone git://anongit.freedesktop.org/git/xorg/lib/libpciaccess
-

-Run autogen.sh to generate a configure file. autogen.sh uses autoconf -utility. This utility may not be installed with your linux distro, -check if it is available. if not you can use your package manager or -type: -

sudo apt-get install autoconf
-

-The next step is to install the libpciaccess library. -

make
-make install
-

Now your libpciaccess.a file is saved into /usr/local/lib -directory. If you have a libpciaccess.a in /usr/lib you may simply copy -and overwrite these files. Don't forget to copy libpciaccess.pc file to -/usr/lib/pkgconfig, which is also located in /usr/local/lib/pkgconfig/. -Or you may use the following system variables: -

export LD_LIBRARY_PATH=/usr/local/lib
-export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
-

- -

2.3 drm

- -

The next step is to compile the drm. DRM consists of two seperate parts, -the DRM client library(lindrm.so) and kernel device module(such as -radeon.ko). We need to make a small change in kernel device module. So -you need to download the kernel source. You may choose the nearest -mirror from www.kernel.org, or you are using Fedora Core 5, for -example, you may need to install RPMs such as: -kernel-smp-devel-2.16.15-1.2054_FC5.i686.rpm -kernel-devel-2.6.15-1.2054_FC5.i686.rpm -etc. You can find a detailed information here. -

- -

You will find drm_drv.c at /usr/src/LINUX-VERSION/drivers/char/drm/. Edit this code and comment out the following part: -

- -

-   /* ||
-   ((ioctl->flags & DRM_MASTER) && !priv->master)*/
-

-Now you are ready to compile your kernel. If your kernel version is -identical to the version you have compiled, you can simply over write -your new "ko" files over older ones. If you have compiled a different -kernel, you must configure your grub or lilo to be able to boot your -new kernel.

-You'll need fbdev header files. Check with: -

-   ls -l /usr/include/linux/fb.
-

This file may be missing if you have not installed linux header files. - - -

2.4 Mesa

- -

Get latest development Mesa sources from git repository -(currently 7.1-prerelease) -

-   git clone git://anongit.freedesktop.org/git/mesa/mesa
-

- -

You will need the makedepend utility which is a part of mesa project -to build your linux-solo. You probably wont have this utility. You can -download its source from following git repulsitory: -

-   git clone git://anongit.freedesktop.org/git/xorg/util/makedepend
-

- -

Get the latest stable mesa version from SourceForge (currently 7.0.3) -http://sourceforge.net/project/showfiles.php?group_id=3 -

- -

Copy the miniglx folder from 7.1-prerelease to 7.0.3. -You may also extract GLUT to 7.0.3 version at this step. -

- -

Edit linux-solo.conf at /conf directory, just only compile the -graphics driver you need, delete the unwanted drivers names from the -list(some drivers are causing problems...) -

-   while(build==0)
-   {
-     make linux-solo
-
-     There will be some missing header files, copy them from 7.1-prerelease
-   }
-

- -

-When complete you should have the following: -

lib/libGL.so - the GL library which applications link with -
lib/*_dri_so - DRI drivers -
lib/miniglx.conf - sample MiniGLX config file -
progs/miniglx/* - several MiniGLX sample programs -

- -To install these files into appropriate locations in system: -

-   make install
-

- -Now your openGL libraries are copied to /usr/local/lib and -miniglx.conf is copied to /etc. You may copy them to /usr/lib and -overwrite your old GL libraries. Or you may export following variable: - -

-   export LIBGL_DRIVERS_PATH=/usr/local/lib
-

-
- - -

3. Using fbdev/DRI

- -

-If an X server currently running, exit/stop it so you're working from -the console. Following command shuts down the x window and also the multi user support. -

-   init 1
-

- -

Also you may define the runlevel as 1 in "/etc/inittab". Your system -will always start in single user mode and without x-window with this -option set. -

3.1 Load Kernel Modules

- -

-You'll need to load the kernel modules specific to your graphics hardware. -Typically, this consists of the agpgart module, an fbdev driver module -and the DRM kernel module. -

-As root, the kernel modules can be loaded as follows: -

- -

-If you have Intel i915/i945 hardware: -

   modprobe agpgart            # the AGP GART module
-   modprobe intelfb            # the Intel fbdev driver
-   modprobe i915               # the i915/945 DRI kernel module
-

- -

-If you have ATI Radeon/R200 hardware: -

   modprobe agpgart            # the AGP GART module
-   modprobe radeonfb           # the Radeon fbdev driver
-   modprobe radeon             # the Radeon DRI kernel module
-

- -

-If you have ATI Rage 128 hardware: -

   modprobe agpgart            # the AGP GART module
-   modprobe aty128fb           # the Rage 128 fbdev driver
-   modprobe r128               # the Rage 128 DRI kernel module
-

- -

-If you have Matrox G200/G400 hardware: -

   modprobe agpgart            # the AGP GART module
-   modprobe mgafb              # the Matrox fbdev driver
-   modprobe mga                # the Matrox DRI kernel module
-

- -

-To verify that the agpgart, fbdev and drm modules are loaded: -

   ls -l /dev/agpgart /dev/fb* /dev/dri
-

-Alternately, use lsmod to inspect the currently installed modules. -If you have problems, look at the output of dmesg. -

- - -

3.2 Configuration File

- -

-review/edit /etc/miniglx.conf. -Alternately, the MINIGLX_CONF environment variable can be used to -indicate the location of miniglx.conf -

- -To determine the pciBusID value, run lspci and examine the output. -For example: -

   /sbin/lspci:
-   00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Express Chipset Family Graphics Controller (rev 04)
-

-00:02.0 indicates that pciBusID should be PCI:0:2:0 -

- - - - -

3.3 Running fbdev/DRI Programs

- -

-Make sure your LD_LIBRARY_PATH environment variable is set to the -location of the libGL.so library. You may need to append other paths -to LD_LIBRARY_PATH if libpciaccess.so is in a non-standard location, -for example. -

- -

-Change to the Mesa/progs/miniglx/ directory and -start the sample_server program in the background: -

   ./sample_server &
-

- -

-Then try running the miniglxtest program: -

   ./miniglxtest
-

-You should see a rotating quadrilateral which changes color as it rotates. -It will exit automatically after a bit. -

- -

-If you run other tests in the miniglx/ directory, you may want to run -them from a remote shell so that you can stop them with ctrl-C. -

-
- - -

4.0 Troubleshooting

- -

-If you try to run miniglxtest and get the following: -
-
```
   [miniglx] failed to probe chipset
-   connect: Connection refused
-   server connection lost
-
```
-It means that the sample_server process is not running. -
-
-

- - -

5.0 Programming Information

- -

-OpenGL/Mesa is interfaced to fbdev via the MiniGLX interface. -MiniGLX is a subset of Xlib and GLX API functions which provides just -enough functionality to setup OpenGL rendering and respond to simple -input events. -

- -

-Since MiniGLX is a subset of the usual Xlib and GLX APIs, programs written -to the MiniGLX API can also be run on full Xlib/GLX implementations. -This allows some degree of flexibility for software development and testing. -

- -

-However, the MiniGLX API is not binary-compatible with full Xlib/GLX. -Some of the structures are different and some macros/functions work -differently. -See the GL/miniglx.h header file for details. -

- - - - - diff --git a/docs/glfbdev-driver.html b/docs/glfbdev-driver.html deleted file mode 100644 index 981df7c088a..00000000000 --- a/docs/glfbdev-driver.html +++ /dev/null @@ -1,111 +0,0 @@ - - -Mesa glFBDev Driver - - - - - -

Mesa glFBDev Driver

- - -

1. Introduction

- -

-The GLFBDev driver interface allows one to do OpenGL rendering into a -framebuffer managed with the Linux's fbdev interface. -

- -

-Basically, the programmer uses the fbdev functions to initialize the -graphics hardware and setup the framebuffer. -Then, using a calls to Mesa's glFBDev API functions, one can render -into the framebuffer with the OpenGL API functions. -

- -

-Note, only software rendering is supported; there is no hardware -acceleration. -

- - -

-The GL/glfbdev.h header file defines the glFBDev interface. -

- -

-The progs/fbdev/glfbdevtest.c demonstrates how to use the glFBDev interface. -

- - -

-For more information about fbdev, see the - -Framebuffer Howto -

-You will need at minimum, a framebuffer device, check /dev/fb0 -

- -

2. Compilation

- -

-To compile Mesa with support for the glFBDev interface: -

-      make realclean
-      make linux-fbdev
-

- -

-When compilation is finished look in progs/glfbdev/ for the glfbdevtest demo. -

3. Permissions

- -

-Typically /dev/fb/0 is grouped to the video group. It may be useful to add -your user to the video group so the demos will not have to be run as root. -To use fbdevglut with the prefered tty input, you should add the user to the -tty group as well -

- -

4. Using fbdevglut

-Almost all of the programs in the progs directory use glut, and they compile with fbdevglut. - -

-To compile the redbook sample programs: -

-       cd progs/redbook
-       make
-

glut features not supported: -

Overlays -

Subwindows -

Input devices other than Keyboard/Mouse -

No support for GLUT_MULTISAMPLE, GLUT_STEREO, or GLUT_LUMINANCE -

Cursor and Menu Support will flicker in GLUT_SINGLE mode - -

Keyboard input is read by opening /dev/tty and reading keycodes in medium raw mode. -

Mouse input is read from env var MOUSE, or /dev/gpmdata and should be in ms3 format. -To forward data in this format to /dev/gpmdata, run gpm with the -Rms3 option. -

glutInit allows glut programs to pass parameters to the glut library, currently the -following options are supported for fbdevglut: -

-geometry widthxheight -- This will force the resolution to be widthxheight instead of autodetecting. -The modes are read from /etc/fb.modes -

-bpp -- This will force the bitdepth to the one specified -

-vt -- This allows you to specify the virtual terminal to attach keyboard input to. It is useful to specify when running inside screen. -

-mousespeed -- A floating point multiplication factor to increase mouse speed -

-nomouse -- Disable mouse support -

-nokeyboard -- Disable keyboard support (this will probably break mouse support as well) -

-stdin -- Use stdin for input instead of attaching to kbd in medium-raw mode. -This will make it impossible to detect keypresses like Shift+Tab, you will also need to specify -gpmmouse for mouse support. This option can be used with a debugger, and it is possible to single step a program with gdb and set the FRAMEBUFFER environment variable to a different framebuffer for display. The program will not be able to handle vt switching on it's own, so it will always display. -

-gpmmouse -- This will attempt to connect to the /dev/gpmctl socket using liblow -for mouse data. Gpm does not provide this data when in graphics mode, so vt switching -will briefly display text. This mode typically has no initial mouse delay. -

-- Ignore any additional arguments -

Notes: -

-1. The mouse pointer flickers in single buffering mode, as it must be rendered in software. Hopefully in the future there will be a way to access hardware cursors in fbdev devices. -

- - diff --git a/docs/subset.html b/docs/subset.html index 4ac2eadffb9..c706381e3ad 100644 --- a/docs/subset.html +++ b/docs/subset.html @@ -12,7 +12,7 @@ In 2002/2003 Tungsten Graphics was contracted to develop a subset Mesa/Radeon driver for an embedded environment. The result is a reduced-size DRI driver for the ATI R200 chip, for use with -fbdev/DRI environment. +fbdev/DRI environment.

diff --git a/src/mesa/drivers/fbdev/Makefile b/src/mesa/drivers/fbdev/Makefile deleted file mode 100644 index 5120e1ac9e5..00000000000 --- a/src/mesa/drivers/fbdev/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# src/mesa/drivers/fbdev/Makefile for libGL.so - -TOP = ../../../.. - -include $(TOP)/configs/current - - -SOURCES = glfbdev.c - -OBJECTS = $(SOURCES:.c=.o) - -INCLUDE_DIRS = \ - -I$(TOP)/include \ - -I$(TOP)/src/mapi \ - -I$(TOP)/src/mesa \ - -I$(TOP)/src/mesa/main - -CORE_MESA = $(TOP)/src/mesa/libmesa.a $(TOP)/src/mapi/glapi/libglapi.a - - -.c.o: - $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ - - -default: $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) - - -$(TOP)/$(LIB_DIR)/$(GL_LIB_NAME): $(CORE_MESA) $(OBJECTS) - @ $(MKLIB) -o $(GL_LIB) -linker '$(CC)' -ldflags '$(LDFLAGS)' \ - -major $(MESA_MAJOR) -minor $(MESA_MINOR) -patch $(MESA_TINY) \ - -install $(TOP)/$(LIB_DIR) $(MKLIB_OPTIONS) \ - $(CORE_MESA) $(OBJECTS) $(GL_LIB_DEPS) - - -clean: - -rm -f $(OBJECTS) diff --git a/src/mesa/drivers/fbdev/glfbdev.c b/src/mesa/drivers/fbdev/glfbdev.c deleted file mode 100644 index 1e0ac4c7a1f..00000000000 --- a/src/mesa/drivers/fbdev/glfbdev.c +++ /dev/null @@ -1,828 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2007 Brian Paul 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 - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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. - */ - - -/* - * OpenGL (Mesa) interface for fbdev. - * For info about fbdev: - * http://www.tldp.org/HOWTO/Framebuffer-HOWTO.html - * - * known VGA modes - * Colours 640x400 640x480 800x600 1024x768 1152x864 1280x1024 1600x1200 - * --------+-------------------------------------------------------------- - * 4 bits | ? ? 0x302 ? ? ? ? - * 8 bits | 0x300 0x301 0x303 0x305 0x161 0x307 0x31C - * 15 bits | ? 0x310 0x313 0x316 0x162 0x319 0x31D - * 16 bits | ? 0x311 0x314 0x317 0x163 0x31A 0x31E - * 24 bits | ? 0x312 0x315 0x318 ? 0x31B 0x31F - * 32 bits | ? ? ? ? 0x164 ? - */ - -#ifdef USE_GLFBDEV_DRIVER - -#include "GL/glfbdev.h" -#include -#include "main/glheader.h" -#include "main/buffers.h" -#include "main/context.h" -#include "main/extensions.h" -#include "main/fbobject.h" -#include "main/framebuffer.h" -#include "main/imports.h" -#include "main/renderbuffer.h" -#include "main/texformat.h" -#include "main/teximage.h" -#include "main/texstore.h" -#include "vbo/vbo.h" -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" -#include "drivers/common/driverfuncs.h" - - -/** - * Pixel formats we support: - */ -#define PF_B8G8R8 1 -#define PF_B8G8R8A8 2 -#define PF_B5G6R5 3 -#define PF_B5G5R5 4 - - -/** - * Derived from Mesa's struct gl_config class. - */ -struct GLFBDevVisualRec { - struct gl_config glvisual; /* base class */ - struct fb_fix_screeninfo fix; - struct fb_var_screeninfo var; - int pixelFormat; -}; - -/** - * Derived from Mesa's struct gl_framebuffer class. - */ -struct GLFBDevBufferRec { - struct gl_framebuffer glframebuffer; /* base class */ - GLFBDevVisualPtr visual; - struct fb_fix_screeninfo fix; - struct fb_var_screeninfo var; - size_t size; /* color buffer size in bytes */ - GLuint bytesPerPixel; -}; - -/** - * Derived from Mesa's struct gl_context class. - */ -struct GLFBDevContextRec { - struct gl_context glcontext; /* base class */ - GLFBDevVisualPtr visual; - GLFBDevBufferPtr drawBuffer; - GLFBDevBufferPtr readBuffer; - GLFBDevBufferPtr curBuffer; -}; - -/** - * Derived from Mesa's gl_renderbuffer class. - */ -struct GLFBDevRenderbufferRec { - struct gl_renderbuffer Base; - GLubyte *bottom; /* pointer to last row */ - GLuint rowStride; /* in bytes */ - GLboolean mallocedBuffer; -}; - - -/**********************************************************************/ -/* Internal device driver functions */ -/**********************************************************************/ - - -static const GLubyte * -get_string(struct gl_context *ctx, GLenum pname) -{ - (void) ctx; - switch (pname) { - case GL_RENDERER: - return (const GLubyte *) "Mesa glfbdev"; - default: - return NULL; - } -} - - -static void -update_state( struct gl_context *ctx, GLuint new_state ) -{ - /* not much to do here - pass it on */ - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); -} - - -static void -get_buffer_size( struct gl_framebuffer *buffer, GLuint *width, GLuint *height ) -{ - const GLFBDevBufferPtr fbdevbuffer = (GLFBDevBufferPtr) buffer; - *width = fbdevbuffer->var.xres; - *height = fbdevbuffer->var.yres; -} - - -/** - * We only implement this function as a mechanism to check if the - * framebuffer size has changed (and update corresponding state). - */ -static void -viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) -{ - GLuint newWidth, newHeight; - struct gl_framebuffer *buffer; - - buffer = ctx->WinSysDrawBuffer; - get_buffer_size( buffer, &newWidth, &newHeight ); - if (buffer->Width != newWidth || buffer->Height != newHeight) { - _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight ); - } - - buffer = ctx->WinSysReadBuffer; - get_buffer_size( buffer, &newWidth, &newHeight ); - if (buffer->Width != newWidth || buffer->Height != newHeight) { - _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight ); - } -} - - -/* - * Generate code for span functions. - */ - -/* 24-bit BGR */ -#define NAME(PREFIX) PREFIX##_B8G8R8 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb; -#define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 3 -#define INC_PIXEL_PTR(P) P += 3 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - DST[0] = VALUE[BCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[2] = VALUE[RCOMP] -#define FETCH_PIXEL(DST, SRC) \ - DST[RCOMP] = SRC[2]; \ - DST[GCOMP] = SRC[1]; \ - DST[BCOMP] = SRC[0]; \ - DST[ACOMP] = CHAN_MAX - -#include "swrast/s_spantemp.h" - - -/* 32-bit BGRA */ -#define NAME(PREFIX) PREFIX##_B8G8R8A8 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb; -#define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 4 -#define INC_PIXEL_PTR(P) P += 4 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - DST[0] = VALUE[BCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[2] = VALUE[RCOMP]; \ - DST[3] = VALUE[ACOMP] -#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \ - DST[0] = VALUE[BCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[2] = VALUE[RCOMP]; -#define FETCH_PIXEL(DST, SRC) \ - DST[RCOMP] = SRC[2]; \ - DST[GCOMP] = SRC[1]; \ - DST[BCOMP] = SRC[0]; \ - DST[ACOMP] = SRC[3] - -#include "swrast/s_spantemp.h" - - -/* 16-bit BGR (XXX implement dithering someday) */ -#define NAME(PREFIX) PREFIX##_B5G6R5 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb; -#define INIT_PIXEL_PTR(P, X, Y) \ - GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2) -#define INC_PIXEL_PTR(P) P += 1 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) ) -#define FETCH_PIXEL(DST, SRC) \ - DST[RCOMP] = ( (((SRC[0]) >> 8) & 0xf8) | (((SRC[0]) >> 11) & 0x7) ); \ - DST[GCOMP] = ( (((SRC[0]) >> 3) & 0xfc) | (((SRC[0]) >> 5) & 0x3) ); \ - DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \ - DST[ACOMP] = CHAN_MAX - -#include "swrast/s_spantemp.h" - - -/* 15-bit BGR (XXX implement dithering someday) */ -#define NAME(PREFIX) PREFIX##_B5G5R5 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb; -#define INIT_PIXEL_PTR(P, X, Y) \ - GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2) -#define INC_PIXEL_PTR(P) P += 1 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 7) | (((VALUE[GCOMP]) & 0xf8) << 2) | ((VALUE[BCOMP]) >> 3) ) -#define FETCH_PIXEL(DST, SRC) \ - DST[RCOMP] = ( (((SRC[0]) >> 7) & 0xf8) | (((SRC[0]) >> 10) & 0x7) ); \ - DST[GCOMP] = ( (((SRC[0]) >> 2) & 0xf8) | (((SRC[0]) >> 5) & 0x7) ); \ - DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \ - DST[ACOMP] = CHAN_MAX - -#include "swrast/s_spantemp.h" - - -/**********************************************************************/ -/* Public API functions */ -/**********************************************************************/ - - -const char * -glFBDevGetString( int str ) -{ - switch (str) { - case GLFBDEV_VENDOR: - return "Mesa Project"; - case GLFBDEV_VERSION: - return "1.0.1"; - default: - return NULL; - } -} - - -GLFBDevProc -glFBDevGetProcAddress( const char *procName ) -{ - struct name_address { - const char *name; - const GLFBDevProc func; - }; - static const struct name_address functions[] = { - { "glFBDevGetString", (GLFBDevProc) glFBDevGetString }, - { "glFBDevGetProcAddress", (GLFBDevProc) glFBDevGetProcAddress }, - { "glFBDevCreateVisual", (GLFBDevProc) glFBDevCreateVisual }, - { "glFBDevDestroyVisual", (GLFBDevProc) glFBDevDestroyVisual }, - { "glFBDevGetVisualAttrib", (GLFBDevProc) glFBDevGetVisualAttrib }, - { "glFBDevCreateBuffer", (GLFBDevProc) glFBDevCreateBuffer }, - { "glFBDevDestroyBuffer", (GLFBDevProc) glFBDevDestroyBuffer }, - { "glFBDevGetBufferAttrib", (GLFBDevProc) glFBDevGetBufferAttrib }, - { "glFBDevGetCurrentDrawBuffer", (GLFBDevProc) glFBDevGetCurrentDrawBuffer }, - { "glFBDevGetCurrentReadBuffer", (GLFBDevProc) glFBDevGetCurrentReadBuffer }, - { "glFBDevSwapBuffers", (GLFBDevProc) glFBDevSwapBuffers }, - { "glFBDevCreateContext", (GLFBDevProc) glFBDevCreateContext }, - { "glFBDevDestroyContext", (GLFBDevProc) glFBDevDestroyContext }, - { "glFBDevGetContextAttrib", (GLFBDevProc) glFBDevGetContextAttrib }, - { "glFBDevGetCurrentContext", (GLFBDevProc) glFBDevGetCurrentContext }, - { "glFBDevMakeCurrent", (GLFBDevProc) glFBDevMakeCurrent }, - { NULL, NULL } - }; - const struct name_address *entry; - for (entry = functions; entry->name; entry++) { - if (strcmp(entry->name, procName) == 0) { - return entry->func; - } - } - return _glapi_get_proc_address(procName); -} - - -GLFBDevVisualPtr -glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo, - const struct fb_var_screeninfo *varInfo, - const int *attribs ) -{ - GLFBDevVisualPtr vis; - const int *attrib; - GLboolean dbFlag = GL_FALSE, stereoFlag = GL_FALSE; - GLint redBits = 0, greenBits = 0, blueBits = 0, alphaBits = 0; - GLint depthBits = 0, stencilBits = 0; - GLint accumRedBits = 0, accumGreenBits = 0; - GLint accumBlueBits = 0, accumAlphaBits = 0; - GLint numSamples = 0; - - ASSERT(fixInfo); - ASSERT(varInfo); - - vis = CALLOC_STRUCT(GLFBDevVisualRec); - if (!vis) - return NULL; - - vis->fix = *fixInfo; /* struct assignment */ - vis->var = *varInfo; /* struct assignment */ - - for (attrib = attribs; attrib && *attrib != GLFBDEV_NONE; attrib++) { - switch (*attrib) { - case GLFBDEV_DOUBLE_BUFFER: - dbFlag = GL_TRUE; - break; - case GLFBDEV_DEPTH_SIZE: - depthBits = attrib[1]; - attrib++; - break; - case GLFBDEV_STENCIL_SIZE: - stencilBits = attrib[1]; - attrib++; - break; - case GLFBDEV_ACCUM_SIZE: - accumRedBits = accumGreenBits = accumBlueBits = accumAlphaBits - = attrib[1]; - attrib++; - break; - case GLFBDEV_LEVEL: - /* ignored for now */ - break; - case GLFBDEV_MULTISAMPLE: - numSamples = attrib[1]; - attrib++; - break; - case GLFBDEV_COLOR_INDEX: - /* Mesa no longer supports color-index rendering. */ - default: - /* unexpected token */ - free(vis); - return NULL; - } - } - - redBits = varInfo->red.length; - greenBits = varInfo->green.length; - blueBits = varInfo->blue.length; - alphaBits = varInfo->transp.length; - - if (fixInfo->visual == FB_VISUAL_TRUECOLOR || - fixInfo->visual == FB_VISUAL_DIRECTCOLOR) { - if (varInfo->bits_per_pixel == 24 - && varInfo->red.offset == 16 - && varInfo->green.offset == 8 - && varInfo->blue.offset == 0) { - vis->pixelFormat = PF_B8G8R8; - } - else if (varInfo->bits_per_pixel == 32 - && varInfo->red.offset == 16 - && varInfo->green.offset == 8 - && varInfo->blue.offset == 0) { - vis->pixelFormat = PF_B8G8R8A8; - } - else if (varInfo->bits_per_pixel == 16 - && varInfo->red.offset == 11 - && varInfo->green.offset == 5 - && varInfo->blue.offset == 0) { - vis->pixelFormat = PF_B5G6R5; - } - else if (varInfo->bits_per_pixel == 16 - && varInfo->red.offset == 10 - && varInfo->green.offset == 5 - && varInfo->blue.offset == 0) { - vis->pixelFormat = PF_B5G5R5; - } - else { - _mesa_problem(NULL, "Unsupported fbdev RGB visual/bitdepth!\n"); - free(vis); - return NULL; - } - } - - if (!_mesa_initialize_visual(&vis->glvisual, dbFlag, stereoFlag, - redBits, greenBits, blueBits, alphaBits, - depthBits, stencilBits, - accumRedBits, accumGreenBits, - accumBlueBits, accumAlphaBits, - numSamples)) { - /* something was invalid */ - free(vis); - return NULL; - } - - return vis; -} - - -void -glFBDevDestroyVisual( GLFBDevVisualPtr visual ) -{ - if (visual) - free(visual); -} - - -int -glFBDevGetVisualAttrib( const GLFBDevVisualPtr visual, int attrib) -{ - /* XXX unfinished */ - (void) visual; - (void) attrib; - return -1; -} - - -static void -delete_renderbuffer(struct gl_renderbuffer *rb) -{ - struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb; - if (frb->mallocedBuffer) { - free(frb->Base.Data); - } - free(frb); -} - - -static GLboolean -renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - /* no-op: the renderbuffer storage is allocated just once when it's - * created. Never resized or reallocated. - */ - return GL_TRUE; -} - - -static struct GLFBDevRenderbufferRec * -new_glfbdev_renderbuffer(void *bufferStart, const GLFBDevVisualPtr visual) -{ - struct GLFBDevRenderbufferRec *rb = CALLOC_STRUCT(GLFBDevRenderbufferRec); - if (rb) { - GLuint name = 0; - int pixelFormat = visual->pixelFormat; - - _mesa_init_renderbuffer(&rb->Base, name); - - rb->Base.Delete = delete_renderbuffer; - rb->Base.AllocStorage = renderbuffer_storage; - - if (pixelFormat == PF_B8G8R8) { - rb->Base.GetRow = get_row_B8G8R8; - rb->Base.GetValues = get_values_B8G8R8; - rb->Base.PutRow = put_row_B8G8R8; - rb->Base.PutRowRGB = put_row_rgb_B8G8R8; - rb->Base.PutMonoRow = put_mono_row_B8G8R8; - rb->Base.PutValues = put_values_B8G8R8; - rb->Base.PutMonoValues = put_mono_values_B8G8R8; - } - else if (pixelFormat == PF_B8G8R8A8) { - rb->Base.GetRow = get_row_B8G8R8A8; - rb->Base.GetValues = get_values_B8G8R8A8; - rb->Base.PutRow = put_row_B8G8R8A8; - rb->Base.PutRowRGB = put_row_rgb_B8G8R8A8; - rb->Base.PutMonoRow = put_mono_row_B8G8R8A8; - rb->Base.PutValues = put_values_B8G8R8A8; - rb->Base.PutMonoValues = put_mono_values_B8G8R8A8; - } - else if (pixelFormat == PF_B5G6R5) { - rb->Base.GetRow = get_row_B5G6R5; - rb->Base.GetValues = get_values_B5G6R5; - rb->Base.PutRow = put_row_B5G6R5; - rb->Base.PutRowRGB = put_row_rgb_B5G6R5; - rb->Base.PutMonoRow = put_mono_row_B5G6R5; - rb->Base.PutValues = put_values_B5G6R5; - rb->Base.PutMonoValues = put_mono_values_B5G6R5; - } - else if (pixelFormat == PF_B5G5R5) { - rb->Base.GetRow = get_row_B5G5R5; - rb->Base.GetValues = get_values_B5G5R5; - rb->Base.PutRow = put_row_B5G5R5; - rb->Base.PutRowRGB = put_row_rgb_B5G5R5; - rb->Base.PutMonoRow = put_mono_row_B5G5R5; - rb->Base.PutValues = put_values_B5G5R5; - rb->Base.PutMonoValues = put_mono_values_B5G5R5; - } - - rb->Base.InternalFormat = GL_RGBA; - rb->Base._BaseFormat = GL_RGBA; - rb->Base.DataType = GL_UNSIGNED_BYTE; - rb->Base.Data = bufferStart; - - rb->rowStride = visual->var.xres_virtual * visual->var.bits_per_pixel / 8; - rb->bottom = (GLubyte *) bufferStart - + (visual->var.yres - 1) * rb->rowStride; - - rb->Base.Width = visual->var.xres; - rb->Base.Height = visual->var.yres; - - /* - rb->Base.RedBits = visual->var.red.length; - rb->Base.GreenBits = visual->var.green.length; - rb->Base.BlueBits = visual->var.blue.length; - rb->Base.AlphaBits = visual->var.transp.length; - */ - - rb->Base.InternalFormat = pixelFormat; - } - return rb; -} - -GLFBDevBufferPtr -glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo, - const struct fb_var_screeninfo *varInfo, - const GLFBDevVisualPtr visual, - void *frontBuffer, void *backBuffer, size_t size ) -{ - struct GLFBDevRenderbufferRec *frontrb, *backrb; - GLFBDevBufferPtr buf; - - ASSERT(visual); - ASSERT(frontBuffer); - ASSERT(size > 0); - - /* this is to update the visual if there was a resize and the - buffer is created again */ - visual->var = *varInfo; - visual->fix = *fixInfo; - - if (visual->fix.visual != fixInfo->visual || - visual->fix.type != fixInfo->type || - visual->var.bits_per_pixel != varInfo->bits_per_pixel || - visual->var.grayscale != varInfo->grayscale || - visual->var.red.offset != varInfo->red.offset || - visual->var.green.offset != varInfo->green.offset || - visual->var.blue.offset != varInfo->blue.offset || - visual->var.transp.offset != varInfo->transp.offset) { - /* visual mismatch! */ - return NULL; - } - - buf = CALLOC_STRUCT(GLFBDevBufferRec); - if (!buf) - return NULL; - - /* basic framebuffer setup */ - _mesa_initialize_window_framebuffer(&buf->glframebuffer, &visual->glvisual); - /* add front renderbuffer */ - frontrb = new_glfbdev_renderbuffer(frontBuffer, visual); - _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_FRONT_LEFT, - &frontrb->Base); - /* add back renderbuffer */ - if (visual->glvisual.doubleBufferMode) { - const int malloced = !backBuffer; - if (malloced) { - /* malloc a back buffer */ - backBuffer = malloc(size); - if (!backBuffer) { - _mesa_free_framebuffer_data(&buf->glframebuffer); - free(buf); - return NULL; - } - } - - backrb = new_glfbdev_renderbuffer(backBuffer, visual); - if (!backrb) { - /* out of mem */ - return NULL; - } - backrb->mallocedBuffer = malloced; - - _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_BACK_LEFT, - &backrb->Base); - } - /* add software renderbuffers */ - _mesa_add_soft_renderbuffers(&buf->glframebuffer, - GL_FALSE, /* color */ - visual->glvisual.haveDepthBuffer, - visual->glvisual.haveStencilBuffer, - visual->glvisual.haveAccumBuffer, - GL_FALSE, /* alpha */ - GL_FALSE /* aux bufs */); - - buf->fix = *fixInfo; /* struct assignment */ - buf->var = *varInfo; /* struct assignment */ - buf->visual = visual; /* ptr assignment */ - buf->size = size; - buf->bytesPerPixel = visual->var.bits_per_pixel / 8; - - return buf; -} - - -void -glFBDevDestroyBuffer( GLFBDevBufferPtr buffer ) -{ - if (buffer) { - /* check if destroying the current buffer */ - GLFBDevBufferPtr curDraw = glFBDevGetCurrentDrawBuffer(); - GLFBDevBufferPtr curRead = glFBDevGetCurrentReadBuffer(); - if (buffer == curDraw || buffer == curRead) { - glFBDevMakeCurrent( NULL, NULL, NULL); - } - { - struct gl_framebuffer *fb = &buffer->glframebuffer; - _mesa_reference_framebuffer(&fb, NULL); - } - } -} - - -int -glFBDevGetBufferAttrib( const GLFBDevBufferPtr buffer, int attrib) -{ - (void) buffer; - (void) attrib; - return -1; -} - - -GLFBDevBufferPtr -glFBDevGetCurrentDrawBuffer( void ) -{ - GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext(); - if (fbdevctx) - return fbdevctx->drawBuffer; - else - return NULL; -} - - -GLFBDevBufferPtr -glFBDevGetCurrentReadBuffer( void ) -{ - GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext(); - if (fbdevctx) - return fbdevctx->readBuffer; - else - return NULL; -} - - -void -glFBDevSwapBuffers( GLFBDevBufferPtr buffer ) -{ - GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext(); - struct GLFBDevRenderbufferRec *frontrb = (struct GLFBDevRenderbufferRec *) - buffer->glframebuffer.Attachment[BUFFER_FRONT_LEFT].Renderbuffer; - struct GLFBDevRenderbufferRec *backrb = (struct GLFBDevRenderbufferRec *) - buffer->glframebuffer.Attachment[BUFFER_BACK_LEFT].Renderbuffer; - - if (!buffer || !buffer->visual->glvisual.doubleBufferMode) - return; - - /* check if swapping currently bound buffer */ - if (fbdevctx->drawBuffer == buffer) { - /* flush pending rendering */ - _mesa_notifySwapBuffers(&fbdevctx->glcontext); - } - - ASSERT(frontrb->Base.Data); - ASSERT(backrb->Base.Data); - memcpy(frontrb->Base.Data, backrb->Base.Data, buffer->size); -} - - -GLFBDevContextPtr -glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share ) -{ - GLFBDevContextPtr ctx; - struct gl_context *glctx; - struct dd_function_table functions; - - ASSERT(visual); - - ctx = CALLOC_STRUCT(GLFBDevContextRec); - if (!ctx) - return NULL; - - /* build table of device driver functions */ - _mesa_init_driver_functions(&functions); - functions.GetString = get_string; - functions.UpdateState = update_state; - functions.GetBufferSize = get_buffer_size; - functions.Viewport = viewport; - - if (!_mesa_initialize_context(&ctx->glcontext, API_OPENGL, &visual->glvisual, - share ? &share->glcontext : NULL, - &functions, (void *) ctx)) { - free(ctx); - return NULL; - } - - ctx->visual = visual; - - /* Create module contexts */ - glctx = (struct gl_context *) &ctx->glcontext; - _swrast_CreateContext( glctx ); - _vbo_CreateContext( glctx ); - _tnl_CreateContext( glctx ); - _swsetup_CreateContext( glctx ); - _swsetup_Wakeup( glctx ); - - /* use default TCL pipeline */ - { - TNLcontext *tnl = TNL_CONTEXT(glctx); - tnl->Driver.RunPipeline = _tnl_run_pipeline; - } - - _mesa_enable_sw_extensions(glctx); - _mesa_enable_1_3_extensions(glctx); - _mesa_enable_1_4_extensions(glctx); - _mesa_enable_1_5_extensions(glctx); - _mesa_enable_2_0_extensions(glctx); - _mesa_enable_2_1_extensions(glctx); - - return ctx; -} - - -void -glFBDevDestroyContext( GLFBDevContextPtr context ) -{ - GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext(); - - if (context) { - struct gl_context *mesaCtx = &context->glcontext; - - _swsetup_DestroyContext( mesaCtx ); - _swrast_DestroyContext( mesaCtx ); - _tnl_DestroyContext( mesaCtx ); - _vbo_DestroyContext( mesaCtx ); - - if (fbdevctx == context) { - /* destroying current context */ - _mesa_make_current(NULL, NULL, NULL); - } - _mesa_free_context_data(&context->glcontext); - free(context); - } -} - - -int -glFBDevGetContextAttrib( const GLFBDevContextPtr context, int attrib) -{ - (void) context; - (void) attrib; - return -1; -} - - -GLFBDevContextPtr -glFBDevGetCurrentContext( void ) -{ - GET_CURRENT_CONTEXT(ctx); - return (GLFBDevContextPtr) ctx; -} - - -int -glFBDevMakeCurrent( GLFBDevContextPtr context, - GLFBDevBufferPtr drawBuffer, - GLFBDevBufferPtr readBuffer ) -{ - if (context && drawBuffer && readBuffer) { - /* Make sure the context's visual and the buffers' visuals match. - * XXX we might do this by comparing specific fields like bits_per_pixel, - * visual, etc. in the future. - */ - if (context->visual != drawBuffer->visual || - context->visual != readBuffer->visual) { - return 0; - } - _mesa_make_current( &context->glcontext, - &drawBuffer->glframebuffer, - &readBuffer->glframebuffer ); - context->drawBuffer = drawBuffer; - context->readBuffer = readBuffer; - context->curBuffer = drawBuffer; - } - else { - /* unbind */ - _mesa_make_current( NULL, NULL, NULL ); - } - - return 1; -} - -#endif /* USE_GLFBDEV_DRIVER */