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/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
/*
* Copyright 2000 Gareth Hughes
* 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* GARETH HUGHES 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.
*/
/*
* Authors:
* Gareth Hughes <gareth@valinux.com>
* Leif Delgass <ldelgass@retinalburn.net>
* Jos�Fonseca <j_r_fonseca@yahoo.co.uk>
*/
#include "mach64_context.h"
#include "mach64_ioctl.h"
#include "mach64_tris.h"
#include "mach64_vb.h"
#include "mach64_span.h"
#include "context.h"
#include "imports.h"
#include "framebuffer.h"
#include "renderbuffer.h"
#include "utils.h"
#include "vblank.h"
#include "GL/internal/dri_interface.h"
/* Mach64 configuration
*/
#include "xmlpool.h"
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_DEBUG
DRI_CONF_NO_RAST(false)
#if ENABLE_PERF_BOXES
DRI_CONF_PERFORMANCE_BOXES(false)
#endif
DRI_CONF_SECTION_END
DRI_CONF_END;
#if ENABLE_PERF_BOXES
static const GLuint __driNConfigOptions = 3;
#else
static const GLuint __driNConfigOptions = 2;
#endif
extern const struct dri_extension card_extensions[];
static __GLcontextModes * fill_in_modes( __GLcontextModes * modes,
unsigned pixel_bits,
unsigned depth_bits,
unsigned stencil_bits,
const GLenum * db_modes,
unsigned num_db_modes,
int visType )
{
static const u_int8_t bits[2][4] = {
{ 5, 6, 5, 0 },
{ 8, 8, 8, 0 }
};
static const u_int32_t masks[2][4] = {
{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 },
{ 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }
};
unsigned i;
unsigned j;
const unsigned index = ((pixel_bits + 15) / 16) - 1;
for ( i = 0 ; i < num_db_modes ; i++ ) {
for ( j = 0 ; j < 2 ; j++ ) {
modes->redBits = bits[index][0];
modes->greenBits = bits[index][1];
modes->blueBits = bits[index][2];
modes->alphaBits = bits[index][3];
modes->redMask = masks[index][0];
modes->greenMask = masks[index][1];
modes->blueMask = masks[index][2];
modes->alphaMask = masks[index][3];
modes->rgbBits = modes->redBits + modes->greenBits
+ modes->blueBits + modes->alphaBits;
modes->accumRedBits = 16 * j;
modes->accumGreenBits = 16 * j;
modes->accumBlueBits = 16 * j;
modes->accumAlphaBits = 0;
modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG;
modes->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT;
modes->stencilBits = stencil_bits;
modes->depthBits = depth_bits;
modes->visualType = visType;
modes->renderType = GLX_RGBA_BIT;
modes->rgbMode = GL_TRUE;
if ( db_modes[i] == GLX_NONE ) {
modes->doubleBufferMode = GL_FALSE;
}
else {
modes->doubleBufferMode = GL_TRUE;
modes->swapMethod = db_modes[i];
}
modes = modes->next;
}
}
return modes;
}
static __GLcontextModes *
mach64FillInModes( unsigned pixel_bits, unsigned depth_bits,
unsigned stencil_bits, GLboolean have_back_buffer )
{
__GLcontextModes * modes;
__GLcontextModes * m;
unsigned num_modes;
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
unsigned i;
/* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
* enough to add support. Basically, if a context is created with an
* fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
* will never be used.
*/
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
};
int depth_buffer_modes[2][2];
depth_buffer_modes[0][0] = depth_bits;
depth_buffer_modes[1][0] = depth_bits;
/* Just like with the accumulation buffer, always provide some modes
* with a stencil buffer. It will be a sw fallback, but some apps won't
* care about that.
*/
depth_buffer_modes[0][1] = 0;
depth_buffer_modes[1][1] = (stencil_bits == 0) ? 8 : stencil_bits;
depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
back_buffer_factor = (have_back_buffer) ? 2 : 1;
num_modes = depth_buffer_factor * back_buffer_factor * 4;
modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) );
m = modes;
for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
m = fill_in_modes( m, pixel_bits,
depth_buffer_modes[i][0], depth_buffer_modes[i][1],
back_buffer_modes, back_buffer_factor,
GLX_TRUE_COLOR );
}
for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
m = fill_in_modes( m, pixel_bits,
depth_buffer_modes[i][0], depth_buffer_modes[i][1],
back_buffer_modes, back_buffer_factor,
GLX_DIRECT_COLOR );
}
/* Mark the visual as slow if there are "fake" stencil bits.
*/
for ( m = modes ; m != NULL ; m = m->next ) {
if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ){
m->visualRating = GLX_SLOW_CONFIG;
}
}
return modes;
}
/* Create the device specific screen private data struct.
*/
static mach64ScreenRec *
mach64CreateScreen( __DRIscreenPrivate *sPriv )
{
mach64ScreenPtr mach64Screen;
ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv;
PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
(PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
int i;
if (sPriv->devPrivSize != sizeof(ATIDRIRec)) {
fprintf(stderr,"\nERROR! sizeof(ATIDRIRec) does not match passed size from device driver\n");
return GL_FALSE;
}
if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI )
fprintf( stderr, "%s\n", __FUNCTION__ );
/* Allocate the private area */
mach64Screen = (mach64ScreenPtr) CALLOC( sizeof(*mach64Screen) );
if ( !mach64Screen ) return NULL;
/* parse information in __driConfigOptions */
driParseOptionInfo (&mach64Screen->optionCache,
__driConfigOptions, __driNConfigOptions);
mach64Screen->IsPCI = serverInfo->IsPCI;
{
drm_mach64_getparam_t gp;
int ret;
gp.param = MACH64_PARAM_IRQ_NR;
gp.value = (void *) &mach64Screen->irq;
ret = drmCommandWriteRead( sPriv->fd, DRM_MACH64_GETPARAM,
&gp, sizeof(gp));
if (ret) {
fprintf(stderr, "DRM_MACH64_GETPARAM (MACH64_PARAM_IRQ_NR): %d\n", ret);
FREE( mach64Screen );
return NULL;
}
}
mach64Screen->mmio.handle = serverInfo->regs;
mach64Screen->mmio.size = serverInfo->regsSize;
if ( drmMap( sPriv->fd,
mach64Screen->mmio.handle,
mach64Screen->mmio.size,
(drmAddressPtr)&mach64Screen->mmio.map ) != 0 ) {
FREE( mach64Screen );
return NULL;
}
mach64Screen->buffers = drmMapBufs( sPriv->fd );
if ( !mach64Screen->buffers ) {
drmUnmap( (drmAddress)mach64Screen->mmio.map,
mach64Screen->mmio.size );
FREE( mach64Screen );
return NULL;
}
if ( !mach64Screen->IsPCI ) {
mach64Screen->agpTextures.handle = serverInfo->agp;
mach64Screen->agpTextures.size = serverInfo->agpSize;
if ( drmMap( sPriv->fd,
mach64Screen->agpTextures.handle,
mach64Screen->agpTextures.size,
(drmAddressPtr)&mach64Screen->agpTextures.map ) ) {
drmUnmapBufs( mach64Screen->buffers );
drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size );
FREE( mach64Screen );
return NULL;
}
}
mach64Screen->AGPMode = serverInfo->AGPMode;
mach64Screen->chipset = serverInfo->chipset;
mach64Screen->width = serverInfo->width;
mach64Screen->height = serverInfo->height;
mach64Screen->mem = serverInfo->mem;
mach64Screen->cpp = serverInfo->cpp;
mach64Screen->frontOffset = serverInfo->frontOffset;
mach64Screen->frontPitch = serverInfo->frontPitch;
mach64Screen->backOffset = serverInfo->backOffset;
mach64Screen->backPitch = serverInfo->backPitch;
mach64Screen->depthOffset = serverInfo->depthOffset;
mach64Screen->depthPitch = serverInfo->depthPitch;
mach64Screen->texOffset[MACH64_CARD_HEAP] = serverInfo->textureOffset;
mach64Screen->texSize[MACH64_CARD_HEAP] = serverInfo->textureSize;
mach64Screen->logTexGranularity[MACH64_CARD_HEAP] =
serverInfo->logTextureGranularity;
if ( mach64Screen->IsPCI ) {
mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1;
mach64Screen->firstTexHeap = MACH64_CARD_HEAP;
mach64Screen->texOffset[MACH64_AGP_HEAP] = 0;
mach64Screen->texSize[MACH64_AGP_HEAP] = 0;
mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = 0;
} else {
if (serverInfo->textureSize > 0) {
mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS;
mach64Screen->firstTexHeap = MACH64_CARD_HEAP;
} else {
mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1;
mach64Screen->firstTexHeap = MACH64_AGP_HEAP;
}
mach64Screen->texOffset[MACH64_AGP_HEAP] = serverInfo->agpTextureOffset;
mach64Screen->texSize[MACH64_AGP_HEAP] = serverInfo->agpSize;
mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = serverInfo->logAgpTextureGranularity;
}
mach64Screen->driScreen = sPriv;
i = 0;
mach64Screen->extensions[i++] = &driFrameTrackingExtension.base;
if ( glx_enable_extension != NULL ) {
if ( mach64Screen->irq != 0 ) {
mach64Screen->extensions[i++] = &driSwapControlExtension.base;
(*glx_enable_extension)( sPriv->psc, "GLX_SGI_video_sync" );
}
}
mach64Screen->extensions[i++] = NULL;
sPriv->extensions = mach64Screen->extensions;
return mach64Screen;
}
/* Destroy the device specific screen private data struct.
*/
static void
mach64DestroyScreen( __DRIscreenPrivate *driScreen )
{
mach64ScreenRec *mach64Screen = (mach64ScreenRec *) driScreen->private;
if ( !mach64Screen )
return;
if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI )
fprintf( stderr, "%s\n", __FUNCTION__ );
if ( !mach64Screen->IsPCI ) {
drmUnmap( (drmAddress)mach64Screen->agpTextures.map,
mach64Screen->agpTextures.size );
}
drmUnmapBufs( mach64Screen->buffers );
drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size );
FREE( mach64Screen );
driScreen->private = NULL;
}
/* Create and initialize the Mesa and driver specific pixmap buffer
* data.
*/
static GLboolean
mach64CreateBuffer( __DRIscreenPrivate *driScrnPriv,
__DRIdrawablePrivate *driDrawPriv,
const __GLcontextModes *mesaVis,
GLboolean isPixmap )
{
mach64ScreenPtr screen = (mach64ScreenPtr) driScrnPriv->private;
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
{
driRenderbuffer *frontRb
= driNewRenderbuffer(GL_RGBA,
NULL,
screen->cpp,
screen->frontOffset, screen->frontPitch,
driDrawPriv);
mach64SetSpanFunctions(frontRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
}
if (mesaVis->doubleBufferMode) {
driRenderbuffer *backRb
= driNewRenderbuffer(GL_RGBA,
NULL,
screen->cpp,
screen->backOffset, screen->backPitch,
driDrawPriv);
mach64SetSpanFunctions(backRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
}
if (mesaVis->depthBits == 16) {
driRenderbuffer *depthRb
= driNewRenderbuffer(GL_DEPTH_COMPONENT16,
NULL, screen->cpp,
screen->depthOffset, screen->depthPitch,
driDrawPriv);
mach64SetSpanFunctions(depthRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
else if (mesaVis->depthBits == 24) {
/* XXX I don't think 24-bit Z is supported - so this isn't used */
driRenderbuffer *depthRb
= driNewRenderbuffer(GL_DEPTH_COMPONENT24,
NULL,
screen->cpp,
screen->depthOffset, screen->depthPitch,
driDrawPriv);
mach64SetSpanFunctions(depthRb, mesaVis);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
_mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* color */
GL_FALSE, /* depth */
mesaVis->stencilBits > 0,
mesaVis->accumRedBits > 0,
GL_FALSE, /* alpha */
GL_FALSE /* aux */);
driDrawPriv->driverPrivate = (void *) fb;
return (driDrawPriv->driverPrivate != NULL);
}
}
static void
mach64DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
{
_mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)));
}
/* Copy the back color buffer to the front color buffer */
static void
mach64SwapBuffers(__DRIdrawablePrivate *dPriv)
{
if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
mach64ContextPtr mmesa;
GLcontext *ctx;
mmesa = (mach64ContextPtr) dPriv->driContextPriv->driverPrivate;
ctx = mmesa->glCtx;
if (ctx->Visual.doubleBufferMode) {
_mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
mach64CopyBuffer( dPriv );
}
}
else {
/* XXX this shouldn't be an error but we can't handle it for now */
_mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
}
}
/* Initialize the driver specific screen private data.
*/
static GLboolean
mach64InitDriver( __DRIscreenPrivate *driScreen )
{
driScreen->private = (void *) mach64CreateScreen( driScreen );
if ( !driScreen->private ) {
mach64DestroyScreen( driScreen );
return GL_FALSE;
}
return GL_TRUE;
}
static struct __DriverAPIRec mach64API = {
.DestroyScreen = mach64DestroyScreen,
.CreateContext = mach64CreateContext,
.DestroyContext = mach64DestroyContext,
.CreateBuffer = mach64CreateBuffer,
.DestroyBuffer = mach64DestroyBuffer,
.SwapBuffers = mach64SwapBuffers,
.MakeCurrent = mach64MakeCurrent,
.UnbindContext = mach64UnbindContext,
.GetSwapInfo = NULL,
.GetMSC = driGetMSC32,
.WaitForMSC = driWaitForMSC32,
.WaitForSBC = NULL,
.SwapBuffersMSC = NULL
};
/**
* This is the driver specific part of the createNewScreen entry point.
*
* \todo maybe fold this into intelInitDriver
*
* \return the __GLcontextModes supported by this driver
*/
__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
{
static const __DRIversion ddx_expected = { 6, 4, 0 };
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 2, 0, 0 };
ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv;
psp->DriverAPI = mach64API;
if ( ! driCheckDriDdxDrmVersions2( "Mach64",
&psp->dri_version, & dri_expected,
&psp->ddx_version, & ddx_expected,
&psp->drm_version, & drm_expected ) ) {
return NULL;
}
/* Calling driInitExtensions here, with a NULL context pointer,
* does not actually enable the extensions. It just makes sure
* that all the dispatch offsets for all the extensions that
* *might* be enables are known. This is needed because the
* dispatch offsets need to be known when _mesa_context_create is
* called, but we can't enable the extensions until we have a
* context pointer.
*
* Hello chicken. Hello egg. How are you two today?
*/
driInitExtensions( NULL, card_extensions, GL_FALSE );
if (!mach64InitDriver(psp))
return NULL;
return mach64FillInModes( dri_priv->cpp * 8, 16, 0, 1);
}
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