diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_context.c')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_context.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_context.c b/xc/lib/GL/mesa/src/drv/r128/r128_context.c new file mode 100644 index 000000000..01573f559 --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_context.c @@ -0,0 +1,203 @@ +/* $XFree86$ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc., + Cedar Park, Texas. +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +on the rights to use, copy, modify, merge, publish, distribute, sub +license, and/or sell copies of the Software, and to permit persons to whom +the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice (including the next +paragraph) shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL +ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, +DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <kevin@precisioninsight.com> + * + */ + +#include <stdlib.h> + +#include "r128_init.h" +#include "r128_mesa.h" +#include "r128_xmesa.h" +#include "r128_context.h" +#include "r128_cce.h" +#include "r128_dd.h" +#include "r128_state.h" +#include "r128_span.h" +#include "r128_tex.h" +#include "r128_vb.h" +#include "r128_pipeline.h" + +#include "context.h" +#include "simple_list.h" + +/* Create the device specific context */ +GLboolean r128CreateContext(Display *dpy, GLvisual *glVisual, + __DRIcontextPrivate *driContextPriv) +{ + r128ContextPtr r128ctx; + r128ScreenPtr r128scrn; + GLcontext *glCtx = driContextPriv->mesaContext; + int i; + char *v; + + r128ctx = (r128ContextPtr)Xmalloc(sizeof(*r128ctx)); + if (!r128ctx) return GL_FALSE; + + /* Initialize r128Context */ + r128ctx->glCtx = glCtx; + r128ctx->display = dpy; + r128ctx->driContext = driContextPriv; + r128ctx->driDrawable = NULL; /* Set by XMesaMakeCurrent */ + + if (getenv("LIBGL_SOFTWARE_RENDERING")) + r128ctx->SWonly = GL_TRUE; + else + r128ctx->SWonly = GL_FALSE; + if (getenv("LIBGL_NO_SOFTWARE_FALLBACKS")) + r128ctx->SWfallbackDisable = GL_TRUE; + else + r128ctx->SWfallbackDisable = GL_FALSE; + r128scrn = r128ctx->r128Screen = + (r128ScreenPtr)(driContextPriv->driScreenPriv->private); + + r128ctx->CurrentTexObj[0] = NULL; + r128ctx->CurrentTexObj[1] = NULL; + make_empty_list(&r128ctx->SwappedOut); + for (i = 0; i < r128scrn->NRTexHeaps; i++) { + make_empty_list(&r128ctx->TexObjList[i]); + r128ctx->texHeap[i] = mmInit(0, r128scrn->texSize[i]); + r128ctx->lastTexAge[i] = -1; + } + + r128ctx->lastSwapAge = 0; + + r128ctx->useFastPath = GL_FALSE; + + r128ctx->vb.start = 0; + r128ctx->vb.count = 0; + r128ctx->vb.size = 0; + r128ctx->vb.index = 0; + r128ctx->vb.buf = NULL; + r128ctx->vb.done = GL_TRUE; + + if (r128scrn->IsPCI || getenv("LIBGL_DISABLE_VERTEX_BUFFERS")) + r128ctx->disableVB = GL_TRUE; + else + r128ctx->disableVB = GL_FALSE; + + r128ctx->CCEbuf = (CARD32 *)malloc(sizeof(*r128ctx->CCEbuf) * + r128scrn->ringEntries); + r128ctx->CCEcount = 0; + + if ((v = getenv("LIBGL_CCE_TIMEOUT"))) + r128ctx->CCEtimeout = strtoul(v, NULL, 10); + else + r128ctx->CCEtimeout = (R128_DEFAULT_TOTAL_CCE_TIMEOUT / + R128_DEFAULT_CCE_TIMEOUT); + if (r128ctx->CCEtimeout <= 0) r128ctx->CCEtimeout = 1; + + /* Initialize GLcontext */ + glCtx->DriverCtx = (void *)r128ctx; + + r128DDInitExtensions(glCtx); + + r128DDInitDriverFuncs(glCtx); + r128DDInitStateFuncs(glCtx); + r128DDInitSpanFuncs(glCtx); + r128DDInitTextureFuncs(glCtx); + + glCtx->Driver.TriangleCaps = (DD_TRI_CULL + | DD_TRI_LIGHT_TWOSIDE + | DD_TRI_OFFSET); +#if 0 + /* FIXME */ + glCtx->TriangleCaps |= DD_CLIP_FOG_COORD; +#endif + + /* Reset Mesa's current 2D texture pointers to the driver's textures */ + glCtx->Shared->DefaultD[2][0].DriverData = NULL; + glCtx->Shared->DefaultD[2][1].DriverData = NULL; + + /* If Mesa has current a vertex buffer, make sure the driver's VB + data is up to date */ + if (glCtx->VB) r128DDRegisterVB(glCtx->VB); + + /* Register the fast path */ + if (glCtx->NrPipelineStages) + glCtx->NrPipelineStages = + r128RegisterPipelineStages(glCtx->PipelineStage, + glCtx->PipelineStage, + glCtx->NrPipelineStages); + + r128DDInitState(r128ctx); + + driContextPriv->driverPrivate = (void *)r128ctx; + + return GL_TRUE; +} + +/* Destroy the device specific context */ +void r128DestroyContext(r128ContextPtr r128ctx) +{ + if (r128ctx) { + r128TexObjPtr t, next_t; + int i; + + free(r128ctx->CCEbuf); + + for (i = 0; i < r128ctx->r128Screen->NRTexHeaps; i++) { + foreach_s (t, next_t, &r128ctx->TexObjList[i]) + r128DestroyTexObj(r128ctx, t); + } + + foreach_s (t, next_t, &r128ctx->SwappedOut) + r128DestroyTexObj(r128ctx, t); + + gl_destroy_context(r128ctx->glCtx); + Xfree(r128ctx); + } +} + +/* Load the device specific context into the hardware. The actual + setting of the hardware state is done in the r128UpdateHWState(). */ +r128ContextPtr r128MakeCurrent(r128ContextPtr oldCtx, + r128ContextPtr newCtx, + __DRIdrawablePrivate *dPriv) +{ + if (oldCtx) { + if (!R128CCE_USE_RING_BUFFER(newCtx->r128Screen->CCEMode)) + newCtx->dirty |= R128_REQUIRE_QUIESCENCE; + if (oldCtx != newCtx) { + newCtx->dirty |= R128_UPDATE_CONTEXT; + newCtx->dirty_context |= R128_CTX_ALL_DIRTY; + } + if (oldCtx->driDrawable != dPriv) + newCtx->dirty |= R128_UPDATE_WINPOS; + } else { + newCtx->dirty |= R128_UPDATE_CONTEXT; + newCtx->dirty_context |= R128_CTX_ALL_DIRTY; + } + + newCtx->driDrawable = dPriv; + + return newCtx; +} |