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|
/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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, 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
* VIA, S3 GRAPHICS, AND/OR ITS 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.
*/
#include <X11/Xlibint.h>
#include <stdio.h>
#include "main/context.h"
#include "main/context.h"
#include "main/matrix.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "main/simple_list.h"
#include "utils.h"
#include "main/extensions.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "vbo/vbo.h"
#include "tnl/t_pipeline.h"
#include "drivers/common/driverfuncs.h"
#include "savagedd.h"
#include "savagestate.h"
#include "savagetex.h"
#include "savagespan.h"
#include "savagetris.h"
#include "savageioctl.h"
#include "savage_bci.h"
#include "savage_dri.h"
#include "drirenderbuffer.h"
#include "texmem.h"
#define need_GL_ARB_multisample
#define need_GL_ARB_vertex_buffer_object
#define need_GL_EXT_secondary_color
#include "extension_helper.h"
#include "xmlpool.h"
/* Driver-specific options
*/
#define SAVAGE_ENABLE_VDMA(def) \
DRI_CONF_OPT_BEGIN(enable_vdma,bool,def) \
DRI_CONF_DESC(en,"Use DMA for vertex transfers") \
DRI_CONF_DESC(de,"Benutze DMA für Vertextransfers") \
DRI_CONF_OPT_END
#define SAVAGE_ENABLE_FASTPATH(def) \
DRI_CONF_OPT_BEGIN(enable_fastpath,bool,def) \
DRI_CONF_DESC(en,"Use fast path for unclipped primitives") \
DRI_CONF_DESC(de,"Schneller Codepfad für ungeschnittene Polygone") \
DRI_CONF_OPT_END
#define SAVAGE_SYNC_FRAMES(def) \
DRI_CONF_OPT_BEGIN(sync_frames,bool,def) \
DRI_CONF_DESC(en,"Synchronize with graphics hardware after each frame") \
DRI_CONF_DESC(de,"Synchronisiere nach jedem Frame mit Grafikhardware") \
DRI_CONF_OPT_END
/* Configuration
*/
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_QUALITY
DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER)
DRI_CONF_FLOAT_DEPTH(false)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_PERFORMANCE
SAVAGE_ENABLE_VDMA(true)
SAVAGE_ENABLE_FASTPATH(true)
SAVAGE_SYNC_FRAMES(false)
DRI_CONF_MAX_TEXTURE_UNITS(2,1,2)
DRI_CONF_TEXTURE_HEAPS(DRI_CONF_TEXTURE_HEAPS_ALL)
DRI_CONF_FORCE_S3TC_ENABLE(false)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_DEBUG
DRI_CONF_NO_RAST(false)
DRI_CONF_SECTION_END
DRI_CONF_END;
static const GLuint __driNConfigOptions = 10;
static const struct dri_debug_control debug_control[] =
{
{ "fall", DEBUG_FALLBACKS },
{ "api", DEBUG_VERBOSE_API },
{ "tex", DEBUG_VERBOSE_TEX },
{ "verb", DEBUG_VERBOSE_MSG },
{ "dma", DEBUG_DMA },
{ "state", DEBUG_STATE },
{ NULL, 0 }
};
#ifndef SAVAGE_DEBUG
int SAVAGE_DEBUG = 0;
#endif
/*For time caculating test*/
#if defined(DEBUG_TIME) && DEBUG_TIME
struct timeval tv_s,tv_f;
unsigned long time_sum=0;
struct timeval tv_s1,tv_f1;
#endif
static const struct dri_extension card_extensions[] =
{
{ "GL_ARB_multisample", GL_ARB_multisample_functions },
{ "GL_ARB_multitexture", NULL },
{ "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions },
{ "GL_EXT_stencil_wrap", NULL },
{ "GL_EXT_texture_lod_bias", NULL },
{ "GL_EXT_secondary_color", GL_EXT_secondary_color_functions },
{ NULL, NULL }
};
static const struct dri_extension s4_extensions[] =
{
{ "GL_ARB_texture_env_add", NULL },
{ "GL_ARB_texture_mirrored_repeat", NULL },
{ NULL, NULL }
};
extern struct tnl_pipeline_stage _savage_texnorm_stage;
extern struct tnl_pipeline_stage _savage_render_stage;
static const struct tnl_pipeline_stage *savage_pipeline[] = {
&_tnl_vertex_transform_stage,
&_tnl_normal_transform_stage,
&_tnl_lighting_stage,
&_tnl_fog_coordinate_stage,
&_tnl_texgen_stage,
&_tnl_texture_transform_stage,
&_savage_texnorm_stage,
&_savage_render_stage,
&_tnl_render_stage,
0,
};
PUBLIC const __DRIextension *savageScreenExtensions[] = {
&driCoreExtension.base,
&driLegacyExtension.base,
&driReadDrawableExtension,
};
static GLboolean
savageInitDriver(__DRIscreenPrivate *sPriv)
{
savageScreenPrivate *savageScreen;
SAVAGEDRIPtr gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
if (sPriv->devPrivSize != sizeof(SAVAGEDRIRec)) {
fprintf(stderr,"\nERROR! sizeof(SAVAGEDRIRec) does not match passed size from device driver\n");
return GL_FALSE;
}
/* Allocate the private area */
savageScreen = (savageScreenPrivate *)Xmalloc(sizeof(savageScreenPrivate));
if (!savageScreen)
return GL_FALSE;
savageScreen->driScrnPriv = sPriv;
sPriv->private = (void *)savageScreen;
savageScreen->chipset=gDRIPriv->chipset;
savageScreen->width=gDRIPriv->width;
savageScreen->height=gDRIPriv->height;
savageScreen->mem=gDRIPriv->mem;
savageScreen->cpp=gDRIPriv->cpp;
savageScreen->zpp=gDRIPriv->zpp;
savageScreen->agpMode=gDRIPriv->agpMode;
savageScreen->bufferSize=gDRIPriv->bufferSize;
if (gDRIPriv->cpp == 4)
savageScreen->frontFormat = DV_PF_8888;
else
savageScreen->frontFormat = DV_PF_565;
savageScreen->frontOffset=gDRIPriv->frontOffset;
savageScreen->backOffset = gDRIPriv->backOffset;
savageScreen->depthOffset=gDRIPriv->depthOffset;
savageScreen->textureOffset[SAVAGE_CARD_HEAP] =
gDRIPriv->textureOffset;
savageScreen->textureSize[SAVAGE_CARD_HEAP] =
gDRIPriv->textureSize;
savageScreen->logTextureGranularity[SAVAGE_CARD_HEAP] =
gDRIPriv->logTextureGranularity;
savageScreen->textureOffset[SAVAGE_AGP_HEAP] =
gDRIPriv->agpTextureHandle;
savageScreen->textureSize[SAVAGE_AGP_HEAP] =
gDRIPriv->agpTextureSize;
savageScreen->logTextureGranularity[SAVAGE_AGP_HEAP] =
gDRIPriv->logAgpTextureGranularity;
savageScreen->agpTextures.handle = gDRIPriv->agpTextureHandle;
savageScreen->agpTextures.size = gDRIPriv->agpTextureSize;
if (gDRIPriv->agpTextureSize) {
if (drmMap(sPriv->fd,
savageScreen->agpTextures.handle,
savageScreen->agpTextures.size,
(drmAddress *)&(savageScreen->agpTextures.map)) != 0) {
Xfree(savageScreen);
sPriv->private = NULL;
return GL_FALSE;
}
} else
savageScreen->agpTextures.map = NULL;
savageScreen->texVirtual[SAVAGE_CARD_HEAP] =
(drmAddress)(((GLubyte *)sPriv->pFB)+gDRIPriv->textureOffset);
savageScreen->texVirtual[SAVAGE_AGP_HEAP] =
(drmAddress)(savageScreen->agpTextures.map);
savageScreen->aperture.handle = gDRIPriv->apertureHandle;
savageScreen->aperture.size = gDRIPriv->apertureSize;
savageScreen->aperturePitch = gDRIPriv->aperturePitch;
if (drmMap(sPriv->fd,
savageScreen->aperture.handle,
savageScreen->aperture.size,
(drmAddress *)&savageScreen->aperture.map) != 0)
{
Xfree(savageScreen);
sPriv->private = NULL;
return GL_FALSE;
}
savageScreen->bufs = drmMapBufs(sPriv->fd);
savageScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
/* parse information in __driConfigOptions */
driParseOptionInfo (&savageScreen->optionCache,
__driConfigOptions, __driNConfigOptions);
sPriv->extensions = savageScreenExtensions;
#if 0
savageDDFastPathInit();
savageDDTrifuncInit();
savageDDSetupInit();
#endif
return GL_TRUE;
}
/* Accessed by dlsym from dri_mesa_init.c
*/
static void
savageDestroyScreen(__DRIscreenPrivate *sPriv)
{
savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
if (savageScreen->bufs)
drmUnmapBufs(savageScreen->bufs);
/* free all option information */
driDestroyOptionInfo (&savageScreen->optionCache);
Xfree(savageScreen);
sPriv->private = NULL;
}
static GLboolean
savageCreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate )
{
GLcontext *ctx, *shareCtx;
savageContextPtr imesa;
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
struct dd_function_table functions;
savageScreenPrivate *savageScreen = (savageScreenPrivate *)sPriv->private;
drm_savage_sarea_t *saPriv=(drm_savage_sarea_t *)(((char*)sPriv->pSAREA)+
savageScreen->sarea_priv_offset);
int textureSize[SAVAGE_NR_TEX_HEAPS];
int i;
imesa = (savageContextPtr)Xcalloc(sizeof(savageContext), 1);
if (!imesa) {
return GL_FALSE;
}
/* Init default driver functions then plug in savage-specific texture
* functions that are needed as early as during context creation. */
_mesa_init_driver_functions( &functions );
savageDDInitTextureFuncs( &functions );
/* Allocate the Mesa context */
if (sharedContextPrivate)
shareCtx = ((savageContextPtr) sharedContextPrivate)->glCtx;
else
shareCtx = NULL;
ctx = _mesa_create_context(mesaVis, shareCtx, &functions, imesa);
if (!ctx) {
Xfree(imesa);
return GL_FALSE;
}
driContextPriv->driverPrivate = imesa;
imesa->cmdBuf.size = SAVAGE_CMDBUF_SIZE;
imesa->cmdBuf.base = imesa->cmdBuf.write =
malloc(SAVAGE_CMDBUF_SIZE * sizeof(drm_savage_cmd_header_t));
if (!imesa->cmdBuf.base)
return GL_FALSE;
/* Parse configuration files */
driParseConfigFiles (&imesa->optionCache, &savageScreen->optionCache,
sPriv->myNum, "savage");
imesa->float_depth = driQueryOptionb(&imesa->optionCache, "float_depth") &&
savageScreen->chipset >= S3_SAVAGE4;
imesa->no_rast = driQueryOptionb(&imesa->optionCache, "no_rast");
#if 0
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 3.0;
ctx->Const.MaxLineWidthAA = 3.0;
ctx->Const.LineWidthGranularity = 1.0;
#endif
/* Dri stuff
*/
imesa->hHWContext = driContextPriv->hHWContext;
imesa->driFd = sPriv->fd;
imesa->driHwLock = &sPriv->pSAREA->lock;
imesa->savageScreen = savageScreen;
imesa->driScreen = sPriv;
imesa->sarea = saPriv;
imesa->glBuffer = NULL;
/* DMA buffer */
for(i=0;i<5;i++)
{
imesa->apertureBase[i] = (GLubyte *)savageScreen->aperture.map +
0x01000000 * i;
}
imesa->aperturePitch = savageScreen->aperturePitch;
/* change texHeap initialize to support two kind of texture heap*/
/* here is some parts of initialization, others in InitDriver() */
(void) memset( imesa->textureHeaps, 0, sizeof( imesa->textureHeaps ) );
make_empty_list( & imesa->swapped );
textureSize[SAVAGE_CARD_HEAP] = savageScreen->textureSize[SAVAGE_CARD_HEAP];
textureSize[SAVAGE_AGP_HEAP] = savageScreen->textureSize[SAVAGE_AGP_HEAP];
imesa->lastTexHeap = savageScreen->texVirtual[SAVAGE_AGP_HEAP] ? 2 : 1;
switch(driQueryOptioni (&imesa->optionCache, "texture_heaps")) {
case DRI_CONF_TEXTURE_HEAPS_CARD: /* only use card memory, if available */
if (textureSize[SAVAGE_CARD_HEAP])
imesa->lastTexHeap = 1;
break;
case DRI_CONF_TEXTURE_HEAPS_GART: /* only use gart memory, if available */
if (imesa->lastTexHeap == 2 && textureSize[SAVAGE_AGP_HEAP])
textureSize[SAVAGE_CARD_HEAP] = 0;
break;
/*default: Nothing to do, use all available memory. */
}
for (i = 0; i < imesa->lastTexHeap; i++) {
imesa->textureHeaps[i] = driCreateTextureHeap(
i, imesa,
textureSize[i],
11, /* 2^11 = 2k alignment */
SAVAGE_NR_TEX_REGIONS,
(drmTextureRegionPtr)imesa->sarea->texList[i],
&imesa->sarea->texAge[i],
&imesa->swapped,
sizeof( savageTexObj ),
(destroy_texture_object_t *) savageDestroyTexObj );
/* If textureSize[i] == 0 textureHeaps[i] is NULL. This can happen
* if there is not enough card memory for a card texture heap. */
if (imesa->textureHeaps[i])
driSetTextureSwapCounterLocation( imesa->textureHeaps[i],
& imesa->c_textureSwaps );
}
imesa->texture_depth = driQueryOptioni (&imesa->optionCache,
"texture_depth");
if (imesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
imesa->texture_depth = ( savageScreen->cpp == 4 ) ?
DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
if (savageScreen->chipset >= S3_SAVAGE4)
ctx->Const.MaxTextureUnits = 2;
else
ctx->Const.MaxTextureUnits = 1;
if (driQueryOptioni(&imesa->optionCache, "texture_units") <
ctx->Const.MaxTextureUnits)
ctx->Const.MaxTextureUnits =
driQueryOptioni(&imesa->optionCache, "texture_units");
ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
driCalculateMaxTextureLevels( imesa->textureHeaps,
imesa->lastTexHeap,
& ctx->Const,
4,
11, /* max 2D texture size is 2048x2048 */
0, /* 3D textures unsupported. */
0, /* cube textures unsupported. */
0, /* texture rectangles unsupported. */
12,
GL_FALSE,
0 );
if (ctx->Const.MaxTextureLevels <= 6) { /*spec requires at least 64x64*/
__driUtilMessage("Not enough texture memory. "
"Falling back to indirect rendering.");
Xfree(imesa);
return GL_FALSE;
}
imesa->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
imesa->depth_scale = (imesa->savageScreen->zpp == 2) ?
(1.0F/0xffff):(1.0F/0xffffff);
imesa->bufferSize = savageScreen->bufferSize;
imesa->dmaVtxBuf.total = 0;
imesa->dmaVtxBuf.used = 0;
imesa->dmaVtxBuf.flushed = 0;
imesa->clientVtxBuf.total = imesa->bufferSize / 4;
imesa->clientVtxBuf.used = 0;
imesa->clientVtxBuf.flushed = 0;
imesa->clientVtxBuf.buf = (uint32_t *)malloc(imesa->bufferSize);
imesa->vtxBuf = &imesa->clientVtxBuf;
imesa->firstElt = -1;
/* Uninitialized vertex format. Force setting the vertex state in
* savageRenderStart.
*/
imesa->vertex_size = 0;
/* Utah stuff
*/
imesa->new_state = ~0;
imesa->new_gl_state = ~0;
imesa->RenderIndex = ~0;
imesa->dirty = ~0;
imesa->lostContext = GL_TRUE;
imesa->CurrentTexObj[0] = 0;
imesa->CurrentTexObj[1] = 0;
/* Initialize the software rasterizer and helper modules.
*/
_swrast_CreateContext( ctx );
_vbo_CreateContext( ctx );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
/* Install the customized pipeline:
*/
_tnl_destroy_pipeline( ctx );
_tnl_install_pipeline( ctx, savage_pipeline );
imesa->enable_fastpath = driQueryOptionb(&imesa->optionCache,
"enable_fastpath");
/* DRM versions before 2.1.3 would only render triangle lists. ELTS
* support was added in 2.2.0. */
if (imesa->enable_fastpath && sPriv->drm_version.minor < 2) {
fprintf (stderr,
"*** Disabling fast path because your DRM version is buggy "
"or doesn't\n*** support ELTS. You need at least Savage DRM "
"version 2.2.\n");
imesa->enable_fastpath = GL_FALSE;
}
if (!savageScreen->bufs || savageScreen->chipset == S3_SUPERSAVAGE)
imesa->enable_vdma = GL_FALSE;
else
imesa->enable_vdma = driQueryOptionb(&imesa->optionCache, "enable_vdma");
imesa->sync_frames = driQueryOptionb(&imesa->optionCache, "sync_frames");
/* Configure swrast to match hardware characteristics:
*/
_tnl_allow_pixel_fog( ctx, GL_FALSE );
_tnl_allow_vertex_fog( ctx, GL_TRUE );
_swrast_allow_pixel_fog( ctx, GL_FALSE );
_swrast_allow_vertex_fog( ctx, GL_TRUE );
ctx->DriverCtx = (void *) imesa;
imesa->glCtx = ctx;
#ifndef SAVAGE_DEBUG
SAVAGE_DEBUG = driParseDebugString( getenv( "SAVAGE_DEBUG" ),
debug_control );
#endif
driInitExtensions( ctx, card_extensions, GL_TRUE );
if (savageScreen->chipset >= S3_SAVAGE4)
driInitExtensions( ctx, s4_extensions, GL_FALSE );
if (ctx->Mesa_DXTn ||
driQueryOptionb (&imesa->optionCache, "force_s3tc_enable")) {
_mesa_enable_extension( ctx, "GL_S3_s3tc" );
if (savageScreen->chipset >= S3_SAVAGE4)
/* This extension needs DXT3 and DTX5 support in hardware.
* Not available on Savage3D/MX/IX. */
_mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
}
savageDDInitStateFuncs( ctx );
savageDDInitSpanFuncs( ctx );
savageDDInitDriverFuncs( ctx );
savageDDInitIoctlFuncs( ctx );
savageInitTriFuncs( ctx );
savageDDInitState( imesa );
driContextPriv->driverPrivate = (void *) imesa;
return GL_TRUE;
}
static void
savageDestroyContext(__DRIcontextPrivate *driContextPriv)
{
savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
GLuint i;
assert (imesa); /* should never be NULL */
if (imesa) {
savageFlushVertices(imesa);
savageReleaseIndexedVerts(imesa);
savageFlushCmdBuf(imesa, GL_TRUE); /* release DMA buffer */
WAIT_IDLE_EMPTY(imesa);
for (i = 0; i < imesa->lastTexHeap; i++)
driDestroyTextureHeap(imesa->textureHeaps[i]);
free(imesa->cmdBuf.base);
free(imesa->clientVtxBuf.buf);
_swsetup_DestroyContext(imesa->glCtx );
_tnl_DestroyContext( imesa->glCtx );
_vbo_DestroyContext( imesa->glCtx );
_swrast_DestroyContext( imesa->glCtx );
/* free the Mesa context */
imesa->glCtx->DriverCtx = NULL;
_mesa_destroy_context(imesa->glCtx);
/* no longer use vertex_dma_buf*/
Xfree(imesa);
}
}
static GLboolean
savageCreateBuffer( __DRIscreenPrivate *driScrnPriv,
__DRIdrawablePrivate *driDrawPriv,
const __GLcontextModes *mesaVis,
GLboolean isPixmap)
{
savageScreenPrivate *screen = (savageScreenPrivate *) driScrnPriv->private;
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24;
struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
/*
* XXX: this value needs to be set according to the config file
* setting. But we don't get that until we create a rendering
* context!!!!
*/
GLboolean float_depth = GL_FALSE;
{
driRenderbuffer *frontRb
= driNewRenderbuffer(GL_RGBA,
(GLubyte *) screen->aperture.map
+ 0x01000000 * TARGET_FRONT,
screen->cpp,
screen->frontOffset, screen->aperturePitch,
driDrawPriv);
savageSetSpanFunctions(frontRb, mesaVis, float_depth);
assert(frontRb->Base.Data);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
}
if (mesaVis->doubleBufferMode) {
driRenderbuffer *backRb
= driNewRenderbuffer(GL_RGBA,
(GLubyte *) screen->aperture.map
+ 0x01000000 * TARGET_BACK,
screen->cpp,
screen->backOffset, screen->aperturePitch,
driDrawPriv);
savageSetSpanFunctions(backRb, mesaVis, float_depth);
assert(backRb->Base.Data);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
}
if (mesaVis->depthBits == 16) {
driRenderbuffer *depthRb
= driNewRenderbuffer(GL_DEPTH_COMPONENT16,
(GLubyte *) screen->aperture.map
+ 0x01000000 * TARGET_DEPTH,
screen->zpp,
screen->depthOffset, screen->aperturePitch,
driDrawPriv);
savageSetSpanFunctions(depthRb, mesaVis, float_depth);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
else if (mesaVis->depthBits == 24) {
driRenderbuffer *depthRb
= driNewRenderbuffer(GL_DEPTH_COMPONENT24,
(GLubyte *) screen->aperture.map
+ 0x01000000 * TARGET_DEPTH,
screen->zpp,
screen->depthOffset, screen->aperturePitch,
driDrawPriv);
savageSetSpanFunctions(depthRb, mesaVis, float_depth);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
if (mesaVis->stencilBits > 0 && !swStencil) {
driRenderbuffer *stencilRb
= driNewRenderbuffer(GL_STENCIL_INDEX8_EXT,
(GLubyte *) screen->aperture.map
+ 0x01000000 * TARGET_DEPTH,
screen->zpp,
screen->depthOffset, screen->aperturePitch,
driDrawPriv);
savageSetSpanFunctions(stencilRb, mesaVis, float_depth);
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
}
_mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* color */
GL_FALSE, /* depth */
swStencil,
mesaVis->accumRedBits > 0,
GL_FALSE, /* alpha */
GL_FALSE /* aux */);
driDrawPriv->driverPrivate = (void *) fb;
return (driDrawPriv->driverPrivate != NULL);
}
}
static void
savageDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
{
_mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)));
}
#if 0
void XMesaSwapBuffers(__DRIdrawablePrivate *driDrawPriv)
{
/* XXX should do swap according to the buffer, not the context! */
savageContextPtr imesa = savageCtx;
FLUSH_VB( imesa->glCtx, "swap buffers" );
savageSwapBuffers(imesa);
}
#endif
void savageXMesaSetClipRects(savageContextPtr imesa)
{
__DRIdrawablePrivate *dPriv = imesa->driDrawable;
if ((dPriv->numBackClipRects == 0)
|| (imesa->glCtx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT)) {
imesa->numClipRects = dPriv->numClipRects;
imesa->pClipRects = dPriv->pClipRects;
imesa->drawX = dPriv->x;
imesa->drawY = dPriv->y;
} else {
imesa->numClipRects = dPriv->numBackClipRects;
imesa->pClipRects = dPriv->pBackClipRects;
imesa->drawX = dPriv->backX;
imesa->drawY = dPriv->backY;
}
savageCalcViewport( imesa->glCtx );
}
static void savageXMesaWindowMoved( savageContextPtr imesa )
{
__DRIdrawablePrivate *const drawable = imesa->driDrawable;
__DRIdrawablePrivate *const readable = imesa->driReadable;
if (0)
fprintf(stderr, "savageXMesaWindowMoved\n\n");
savageXMesaSetClipRects(imesa);
driUpdateFramebufferSize(imesa->glCtx, drawable);
if (drawable != readable) {
driUpdateFramebufferSize(imesa->glCtx, readable);
}
}
static GLboolean
savageUnbindContext(__DRIcontextPrivate *driContextPriv)
{
savageContextPtr savage = (savageContextPtr) driContextPriv->driverPrivate;
if (savage)
savage->dirty = ~0;
return GL_TRUE;
}
#if 0
static GLboolean
savageOpenFullScreen(__DRIcontextPrivate *driContextPriv)
{
if (driContextPriv) {
savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
imesa->IsFullScreen = GL_TRUE;
imesa->backup_frontOffset = imesa->savageScreen->frontOffset;
imesa->backup_backOffset = imesa->savageScreen->backOffset;
imesa->backup_frontBitmapDesc = imesa->savageScreen->frontBitmapDesc;
imesa->savageScreen->frontBitmapDesc = imesa->savageScreen->backBitmapDesc;
imesa->toggle = TARGET_BACK;
}
return GL_TRUE;
}
static GLboolean
savageCloseFullScreen(__DRIcontextPrivate *driContextPriv)
{
if (driContextPriv) {
savageContextPtr imesa = (savageContextPtr) driContextPriv->driverPrivate;
WAIT_IDLE_EMPTY(imesa);
imesa->IsFullScreen = GL_FALSE;
imesa->savageScreen->frontOffset = imesa->backup_frontOffset;
imesa->savageScreen->backOffset = imesa->backup_backOffset;
imesa->savageScreen->frontBitmapDesc = imesa->backup_frontBitmapDesc;
}
return GL_TRUE;
}
#endif
static GLboolean
savageMakeCurrent(__DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv)
{
if (driContextPriv) {
savageContextPtr imesa
= (savageContextPtr) driContextPriv->driverPrivate;
struct gl_framebuffer *drawBuffer
= (GLframebuffer *) driDrawPriv->driverPrivate;
struct gl_framebuffer *readBuffer
= (GLframebuffer *) driReadPriv->driverPrivate;
driRenderbuffer *frontRb = (driRenderbuffer *)
drawBuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
driRenderbuffer *backRb = (driRenderbuffer *)
drawBuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
assert(frontRb->Base.Data);
if (imesa->glCtx->Visual.doubleBufferMode) {
assert(backRb->Base.Data);
}
imesa->driReadable = driReadPriv;
imesa->driDrawable = driDrawPriv;
imesa->dirty = ~0;
_mesa_make_current(imesa->glCtx, drawBuffer, readBuffer);
savageXMesaWindowMoved( imesa );
}
else
{
_mesa_make_current(NULL, NULL, NULL);
}
return GL_TRUE;
}
void savageGetLock( savageContextPtr imesa, GLuint flags )
{
__DRIdrawablePrivate *const drawable = imesa->driDrawable;
__DRIdrawablePrivate *const readable = imesa->driReadable;
__DRIscreenPrivate *sPriv = imesa->driScreen;
drm_savage_sarea_t *sarea = imesa->sarea;
int me = imesa->hHWContext;
int stamp = drawable->lastStamp;
int heap;
unsigned int timestamp = 0;
/* We know there has been contention.
*/
drmGetLock(imesa->driFd, imesa->hHWContext, flags);
/* Note contention for throttling hint
*/
imesa->any_contend = 1;
/* If the window moved, may need to set a new cliprect now.
*
* NOTE: This releases and regains the hw lock, so all state
* checking must be done *after* this call:
*/
DRI_VALIDATE_DRAWABLE_INFO(sPriv, drawable);
if (drawable != readable) {
DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable);
}
/* If we lost context, need to dump all registers to hardware.
* Note that we don't care about 2d contexts, even if they perform
* accelerated commands, so the DRI locking in the X server is even
* more broken than usual.
*/
if (sarea->ctxOwner != me) {
imesa->dirty |= (SAVAGE_UPLOAD_LOCAL |
SAVAGE_UPLOAD_GLOBAL |
SAVAGE_UPLOAD_FOGTBL |
SAVAGE_UPLOAD_TEX0 |
SAVAGE_UPLOAD_TEX1 |
SAVAGE_UPLOAD_TEXGLOBAL);
imesa->lostContext = GL_TRUE;
sarea->ctxOwner = me;
}
for (heap = 0; heap < imesa->lastTexHeap; ++heap) {
/* If a heap was changed, update its timestamp. Do this before
* DRI_AGE_TEXTURES updates the local_age. */
if (imesa->textureHeaps[heap] &&
imesa->textureHeaps[heap]->global_age[0] >
imesa->textureHeaps[heap]->local_age) {
if (timestamp == 0)
timestamp = savageEmitEventLocked(imesa, 0);
imesa->textureHeaps[heap]->timestamp = timestamp;
}
DRI_AGE_TEXTURES( imesa->textureHeaps[heap] );
}
if (drawable->lastStamp != stamp) {
driUpdateFramebufferSize(imesa->glCtx, drawable);
savageXMesaWindowMoved( imesa );
}
}
static const __DRIconfig **
savageFillInModes( __DRIscreenPrivate *psp,
unsigned pixel_bits, unsigned depth_bits,
unsigned stencil_bits, GLboolean have_back_buffer )
{
__DRIconfig **configs;
__GLcontextModes * m;
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
GLenum fb_format;
GLenum fb_type;
int 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.
*
* FK: What about drivers that don't use page flipping? Could they
* just expose GLX_SWAP_COPY_OML?
*/
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
};
uint8_t depth_bits_array[2];
uint8_t stencil_bits_array[2];
depth_bits_array[0] = depth_bits;
depth_bits_array[1] = 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.
*/
stencil_bits_array[0] = 0;
stencil_bits_array[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;
if ( pixel_bits == 16 ) {
fb_format = GL_RGB;
fb_type = GL_UNSIGNED_SHORT_5_6_5;
}
else {
fb_format = GL_BGR;
fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
}
configs = driCreateConfigs(fb_format, fb_type,
depth_bits_array, stencil_bits_array,
depth_buffer_factor,
back_buffer_modes, back_buffer_factor);
if (configs == NULL) {
fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
__func__, __LINE__ );
return NULL;
}
/* Mark the visual as slow if there are "fake" stencil bits.
*/
for (i = 0; configs[i]; i++) {
m = &configs[i]->modes;
if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
m->visualRating = GLX_SLOW_CONFIG;
}
}
return (const __DRIconfig **) configs;
}
/**
* This is the driver specific part of the createNewScreen entry point.
*
* \todo maybe fold this into intelInitDriver
*
* \return the __GLcontextModes supported by this driver
*/
static const __DRIconfig **
savageInitScreen(__DRIscreenPrivate *psp)
{
static const __DRIversion ddx_expected = { 2, 0, 0 };
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 2, 1, 0 };
SAVAGEDRIPtr dri_priv = (SAVAGEDRIPtr)psp->pDevPriv;
if ( ! driCheckDriDdxDrmVersions2( "Savage",
&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 (!savageInitDriver(psp))
return NULL;
return savageFillInModes( psp,
dri_priv->cpp*8,
(dri_priv->cpp == 2) ? 16 : 24,
(dri_priv->cpp == 2) ? 0 : 8,
(dri_priv->backOffset != dri_priv->depthOffset) );
}
const struct __DriverAPIRec driDriverAPI = {
savageInitScreen,
savageDestroyScreen,
savageCreateContext,
savageDestroyContext,
savageCreateBuffer,
savageDestroyBuffer,
savageSwapBuffers,
savageMakeCurrent,
savageUnbindContext
};
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