diff options
Diffstat (limited to 'src/mesa/drivers/dri/trident/trident_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/trident/trident_context.c | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/trident/trident_context.c b/src/mesa/drivers/dri/trident/trident_context.c new file mode 100644 index 0000000000..b693a95ece --- /dev/null +++ b/src/mesa/drivers/dri/trident/trident_context.c @@ -0,0 +1,465 @@ +/* + * Copyright 2002 by Alan Hourihane, Sychdyn, North Wales, UK. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Alan Hourihane not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Alan Hourihane makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> + * + * Trident CyberBladeXP driver. + * + */ +#include "trident_dri.h" +#include "trident_context.h" +#include "trident_lock.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "vbo/vbo.h" + +#include "tnl/tnl.h" +#include "tnl/t_pipeline.h" + +#include "main/context.h" +#include "main/simple_list.h" +#include "main/matrix.h" +#include "main/extensions.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/viewport.h" +#if defined(USE_X86_ASM) +#include "x86/common_x86_asm.h" +#endif +#include "main/simple_list.h" +#include "main/mm.h" +#include "drirenderbuffer.h" + +#include "drivers/common/driverfuncs.h" +#include "dri_util.h" +#include "utils.h" + +static const struct tnl_pipeline_stage *trident_pipeline[] = { + &_tnl_vertex_transform_stage, + &_tnl_normal_transform_stage, + &_tnl_lighting_stage, + &_tnl_texgen_stage, + &_tnl_texture_transform_stage, + &_tnl_render_stage, + 0, +}; + + +static GLboolean +tridentCreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate) +{ + GLcontext *ctx, *shareCtx; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + tridentContextPtr tmesa; + tridentScreenPtr tridentscrn; + struct dd_function_table functions; +#if 0 + drm_trident_sarea_t *saPriv=(drm_trident_sarea_t *)(((char*)sPriv->pSAREA)+ + sizeof(XF86DRISAREARec)); +#endif + + tmesa = (tridentContextPtr) CALLOC( sizeof(*tmesa) ); + if ( !tmesa ) return GL_FALSE; + + /* Allocate the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((tridentContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + + _mesa_init_driver_functions(&functions); + + tmesa->glCtx = + _mesa_create_context(glVisual, shareCtx, &functions, (void *)tmesa); + + if (!tmesa->glCtx) { + FREE(tmesa); + return GL_FALSE; + } + + tmesa->driContext = driContextPriv; + tmesa->driScreen = sPriv; + tmesa->driDrawable = NULL; /* Set by XMesaMakeCurrent */ + + tmesa->hHWContext = driContextPriv->hHWContext; + tmesa->driHwLock = (drmLock *)&sPriv->pSAREA->lock; + tmesa->driFd = sPriv->fd; +#if 0 + tmesa->sarea = saPriv; +#endif + + tridentscrn = tmesa->tridentScreen = (tridentScreenPtr)(sPriv->private); + + ctx = tmesa->glCtx; + + ctx->Const.MaxTextureLevels = 13; /* 4K by 4K? Is that right? */ + ctx->Const.MaxTextureUnits = 1; /* Permedia 3 */ + + ctx->Const.MinLineWidth = 0.0; + ctx->Const.MaxLineWidth = 255.0; + + ctx->Const.MinLineWidthAA = 0.0; + ctx->Const.MaxLineWidthAA = 65536.0; + + ctx->Const.MinPointSize = 0.0; + ctx->Const.MaxPointSize = 255.0; + + ctx->Const.MinPointSizeAA = 0.5; /* 4x4 quality mode */ + ctx->Const.MaxPointSizeAA = 16.0; + ctx->Const.PointSizeGranularity = 0.25; + + ctx->Const.MaxDrawBuffers = 1; + +#if 0 + tmesa->texHeap = mmInit( 0, tmesa->tridentScreen->textureSize ); + + make_empty_list(&tmesa->TexObjList); + make_empty_list(&tmesa->SwappedOut); + + tmesa->CurrentTexObj[0] = 0; + tmesa->CurrentTexObj[1] = 0; /* Permedia 3, second texture */ + + tmesa->RenderIndex = ~0; +#endif + + /* 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, trident_pipeline ); + + /* Configure swrast to match hardware characteristics: + */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + + tridentInitVB( ctx ); + tridentDDInitExtensions( ctx ); + tridentDDInitDriverFuncs( ctx ); + tridentDDInitStateFuncs( ctx ); +#if 0 + tridentDDInitSpanFuncs( ctx ); + tridentDDInitTextureFuncs( ctx ); +#endif + tridentDDInitTriFuncs( ctx ); + tridentDDInitState( tmesa ); + + driContextPriv->driverPrivate = (void *)tmesa; + + UNLOCK_HARDWARE(tmesa); + + return GL_TRUE; +} + +static void +tridentDestroyContext(__DRIcontextPrivate *driContextPriv) +{ + tridentContextPtr tmesa = (tridentContextPtr)driContextPriv->driverPrivate; + + if (tmesa) { + _swsetup_DestroyContext( tmesa->glCtx ); + _tnl_DestroyContext( tmesa->glCtx ); + _vbo_DestroyContext( tmesa->glCtx ); + _swrast_DestroyContext( tmesa->glCtx ); + + /* free the Mesa context */ + tmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context(tmesa->glCtx); + + _mesa_free(tmesa); + driContextPriv->driverPrivate = NULL; + } +} + + +static GLboolean +tridentCreateBuffer( __DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + tridentScreenPtr screen = (tridentScreenPtr) driScrnPriv->private; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(MESA_FORMAT_ARGB8888, NULL, screen->cpp, + screen->frontOffset, screen->frontPitch, + driDrawPriv); + /* + tridentSetSpanFunctions(frontRb, mesaVis); + */ + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(MESA_FORMAT_ARGB8888, NULL, screen->cpp, + screen->backOffset, screen->backPitch, + driDrawPriv); + /* + tridentSetSpanFunctions(backRb, mesaVis); + */ + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(MESA_FORMAT_Z16, NULL, screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + /* + tridentSetSpanFunctions(depthRb, mesaVis); + */ + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + driRenderbuffer *depthRb + = driNewRenderbuffer(MESA_FORMAT_Z24_S8, NULL, screen->cpp, + screen->depthOffset, screen->depthPitch, + driDrawPriv); + /* + tridentSetSpanFunctions(depthRb, mesaVis); + */ + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + /* no h/w stencil? + if (mesaVis->stencilBits > 0 && !swStencil) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(MESA_FORMAT_S8); + tridentSetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->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 +tridentDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL); +} + +static void +tridentSwapBuffers(__DRIdrawablePrivate *drawablePrivate) +{ + __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate; + + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + tridentContextPtr tmesa; + GLcontext *ctx; + tmesa = (tridentContextPtr) dPriv->driContextPriv->driverPrivate; + ctx = tmesa->glCtx; + if (ctx->Visual.doubleBufferMode) { + _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ + tridentCopyBuffer( dPriv ); + } + } + else { + /* XXX this shouldn't be an error but we can't handle it for now */ + _mesa_problem(NULL, "tridentSwapBuffers: drawable has no context!\n"); + } +} + +static GLboolean +tridentMakeCurrent(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv) +{ + if (driContextPriv) { + GET_CURRENT_CONTEXT(ctx); + tridentContextPtr oldCtx = ctx ? TRIDENT_CONTEXT(ctx) : NULL; + tridentContextPtr newCtx = (tridentContextPtr) driContextPriv->driverPrivate; + + if ( newCtx != oldCtx ) { + newCtx->dirty = ~0; + } + + if (newCtx->driDrawable != driDrawPriv) { + newCtx->driDrawable = driDrawPriv; +#if 0 + tridentUpdateWindow ( newCtx->glCtx ); + tridentUpdateViewportOffset( newCtx->glCtx ); +#endif + } + + newCtx->drawOffset = newCtx->tridentScreen->backOffset; + newCtx->drawPitch = newCtx->tridentScreen->backPitch; + + _mesa_make_current( newCtx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + if (!newCtx->glCtx->Viewport.Width) { + _mesa_set_viewport(newCtx->glCtx, 0, 0, + driDrawPriv->w, driDrawPriv->h); + } + } else { + _mesa_make_current( NULL, NULL, NULL ); + } + return GL_TRUE; +} + + +static GLboolean +tridentUnbindContext( __DRIcontextPrivate *driContextPriv ) +{ + return GL_TRUE; +} + + +static tridentScreenPtr +tridentCreateScreen( __DRIscreenPrivate *sPriv ) +{ + TRIDENTDRIPtr tDRIPriv = (TRIDENTDRIPtr)sPriv->pDevPriv; + tridentScreenPtr tridentScreen; + + if (sPriv->devPrivSize != sizeof(TRIDENTDRIRec)) { + fprintf(stderr,"\nERROR! sizeof(TRIDENTDRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + tridentScreen = (tridentScreenPtr) CALLOC( sizeof(*tridentScreen) ); + if ( !tridentScreen ) return NULL; + + tridentScreen->driScreen = sPriv; + + tridentScreen->frontOffset = tDRIPriv->frontOffset; + tridentScreen->backOffset = tDRIPriv->backOffset; + tridentScreen->depthOffset = tDRIPriv->depthOffset; + tridentScreen->frontPitch = tDRIPriv->frontPitch; + tridentScreen->backPitch = tDRIPriv->backPitch; + tridentScreen->depthPitch = tDRIPriv->depthPitch; + tridentScreen->width = tDRIPriv->width; + tridentScreen->height = tDRIPriv->height; + +printf("%d %d\n",tridentScreen->width,tridentScreen->height); +printf("%d %d\n",tridentScreen->frontPitch,tridentScreen->backPitch); +printf("offset 0x%x 0x%x\n",tridentScreen->backOffset,tridentScreen->depthOffset); + + tridentScreen->mmio.handle = tDRIPriv->regs; + tridentScreen->mmio.size = 0x20000; + + if (drmMap(sPriv->fd, + tridentScreen->mmio.handle, tridentScreen->mmio.size, + (drmAddressPtr)&tridentScreen->mmio.map)) { + FREE(tridentScreen); + return GL_FALSE; + } +printf("MAPPED at %p\n", tridentScreen->mmio.map); + + return tridentScreen; +} + +/* Destroy the device specific screen private data struct. + */ +static void +tridentDestroyScreen( __DRIscreenPrivate *sPriv ) +{ + tridentScreenPtr tridentScreen = (tridentScreenPtr)sPriv->private; + + FREE(tridentScreen); +} + +static GLboolean +tridentInitDriver(__DRIscreenPrivate *sPriv) +{ + sPriv->private = (void *) tridentCreateScreen( sPriv ); + + if (!sPriv->private) { + tridentDestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + +/** + * This is the driver specific part of the createNewScreen entry point. + * + * \todo maybe fold this into intelInitDriver + * + * \return the __GLcontextModes supported by this driver + */ +const __DRIconfig **tridentInitScreen(__DRIscreenPrivate *psp) +{ + static const __DRIversion ddx_expected = { 4, 0, 0 }; + static const __DRIversion dri_expected = { 3, 1, 0 }; + static const __DRIversion drm_expected = { 1, 0, 0 }; + + if ( ! driCheckDriDdxDrmVersions2( "Trident", + &psp->dri_version, & dri_expected, + &psp->ddx_version, & ddx_expected, + &psp->drm_version, & drm_expected ) ) + return NULL; + + if (!tridentInitDriver(psp)) + return NULL; + + /* Wait... what? This driver doesn't report any modes... */ +#if 0 + TRIDENTDRIPtr dri_priv = (TRIDENTDRIPtr) psp->pDevPriv; + *driver_modes = tridentFillInModes( dri_priv->bytesPerPixel * 8, + GL_TRUE ); +#endif + + return NULL; +} + +const struct __DriverAPIRec driDriverAPI = { + tridentInitScreen, + tridentDestroyScreen, + tridentCreateContext, + tridentDestroyContext, + tridentCreateBuffer, + tridentDestroyBuffer, + tridentSwapBuffers, + tridentMakeCurrent, + tridentUnbindContext, +}; |