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Diffstat (limited to 'src/mesa/drivers/dri/mach64/mach64_context.c')
-rw-r--r--src/mesa/drivers/dri/mach64/mach64_context.c357
1 files changed, 357 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mach64/mach64_context.c b/src/mesa/drivers/dri/mach64/mach64_context.c
new file mode 100644
index 0000000000..72a44d9642
--- /dev/null
+++ b/src/mesa/drivers/dri/mach64/mach64_context.c
@@ -0,0 +1,357 @@
+/* -*- 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 "main/glheader.h"
+#include "main/context.h"
+#include "main/simple_list.h"
+#include "main/imports.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 "drivers/common/driverfuncs.h"
+
+#include "mach64_context.h"
+#include "mach64_ioctl.h"
+#include "mach64_dd.h"
+#include "mach64_span.h"
+#include "mach64_state.h"
+#include "mach64_tex.h"
+#include "mach64_tris.h"
+#include "mach64_vb.h"
+
+#include "utils.h"
+#include "vblank.h"
+
+#ifndef MACH64_DEBUG
+int MACH64_DEBUG = (0);
+#endif
+
+static const struct dri_debug_control debug_control[] =
+{
+ { "sync", DEBUG_ALWAYS_SYNC },
+ { "api", DEBUG_VERBOSE_API },
+ { "msg", DEBUG_VERBOSE_MSG },
+ { "lru", DEBUG_VERBOSE_LRU },
+ { "dri", DEBUG_VERBOSE_DRI },
+ { "ioctl", DEBUG_VERBOSE_IOCTL },
+ { "prims", DEBUG_VERBOSE_PRIMS },
+ { "count", DEBUG_VERBOSE_COUNT },
+ { "nowait", DEBUG_NOWAIT },
+ { "fall", DEBUG_VERBOSE_FALLBACK },
+ { NULL, 0 }
+};
+
+static const struct dri_extension card_extensions[] =
+{
+ { "GL_ARB_multitexture", NULL },
+ { "GL_EXT_texture_edge_clamp", NULL },
+ { "GL_MESA_ycbcr_texture", NULL },
+ { "GL_SGIS_generate_mipmap", NULL },
+ { NULL, NULL }
+};
+
+
+/* Create the device specific context.
+ */
+GLboolean mach64CreateContext( gl_api api,
+ const __GLcontextModes *glVisual,
+ __DRIcontext *driContextPriv,
+ void *sharedContextPrivate )
+{
+ GLcontext *ctx, *shareCtx;
+ __DRIscreen *driScreen = driContextPriv->driScreenPriv;
+ struct dd_function_table functions;
+ mach64ContextPtr mmesa;
+ mach64ScreenPtr mach64Screen;
+ int i, heap;
+ GLuint *c_textureSwapsPtr = NULL;
+
+#if DO_DEBUG
+ MACH64_DEBUG = driParseDebugString(getenv("MACH64_DEBUG"), debug_control);
+#endif
+
+ /* Allocate the mach64 context */
+ mmesa = (mach64ContextPtr) CALLOC( sizeof(*mmesa) );
+ if ( !mmesa )
+ return GL_FALSE;
+
+ /* Init default driver functions then plug in our Mach64-specific functions
+ * (the texture functions are especially important)
+ */
+ _mesa_init_driver_functions( &functions );
+ mach64InitDriverFuncs( &functions );
+ mach64InitIoctlFuncs( &functions );
+ mach64InitTextureFuncs( &functions );
+
+ /* Allocate the Mesa context */
+ if (sharedContextPrivate)
+ shareCtx = ((mach64ContextPtr) sharedContextPrivate)->glCtx;
+ else
+ shareCtx = NULL;
+ mmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
+ &functions, (void *)mmesa);
+ if (!mmesa->glCtx) {
+ FREE(mmesa);
+ return GL_FALSE;
+ }
+ driContextPriv->driverPrivate = mmesa;
+ ctx = mmesa->glCtx;
+
+ mmesa->driContext = driContextPriv;
+ mmesa->driScreen = driScreen;
+ mmesa->driDrawable = NULL;
+ mmesa->hHWContext = driContextPriv->hHWContext;
+ mmesa->driHwLock = &driScreen->pSAREA->lock;
+ mmesa->driFd = driScreen->fd;
+
+ mach64Screen = mmesa->mach64Screen = (mach64ScreenPtr)driScreen->private;
+
+ /* Parse configuration files */
+ driParseConfigFiles (&mmesa->optionCache, &mach64Screen->optionCache,
+ mach64Screen->driScreen->myNum, "mach64");
+
+ mmesa->sarea = (drm_mach64_sarea_t *)((char *)driScreen->pSAREA +
+ sizeof(drm_sarea_t));
+
+ mmesa->CurrentTexObj[0] = NULL;
+ mmesa->CurrentTexObj[1] = NULL;
+
+ (void) memset( mmesa->texture_heaps, 0, sizeof( mmesa->texture_heaps ) );
+ make_empty_list( &mmesa->swapped );
+
+ mmesa->firstTexHeap = mach64Screen->firstTexHeap;
+ mmesa->lastTexHeap = mach64Screen->firstTexHeap + mach64Screen->numTexHeaps;
+
+ for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) {
+ mmesa->texture_heaps[i] = driCreateTextureHeap( i, mmesa,
+ mach64Screen->texSize[i],
+ 6, /* align to 64-byte boundary, use 12 for page-size boundary */
+ MACH64_NR_TEX_REGIONS,
+ (drmTextureRegionPtr)mmesa->sarea->tex_list[i],
+ &mmesa->sarea->tex_age[i],
+ &mmesa->swapped,
+ sizeof( mach64TexObj ),
+ (destroy_texture_object_t *) mach64DestroyTexObj );
+
+#if ENABLE_PERF_BOXES
+ c_textureSwapsPtr = & mmesa->c_textureSwaps;
+#endif
+ driSetTextureSwapCounterLocation( mmesa->texture_heaps[i],
+ c_textureSwapsPtr );
+ }
+
+ mmesa->RenderIndex = -1; /* Impossible value */
+ mmesa->vert_buf = NULL;
+ mmesa->num_verts = 0;
+ mmesa->new_state = MACH64_NEW_ALL;
+ mmesa->dirty = MACH64_UPLOAD_ALL;
+
+ /* Set the maximum texture size small enough that we can
+ * guarentee that both texture units can bind a maximal texture
+ * and have them both in memory (on-card or AGP) at once.
+ * Test for 2 textures * bytes/texel * size * size. There's no
+ * need to account for mipmaps since we only upload one level.
+ */
+
+ ctx->Const.MaxTextureUnits = 2;
+ ctx->Const.MaxTextureImageUnits = 2;
+ ctx->Const.MaxTextureCoordUnits = 2;
+ ctx->Const.MaxDrawBuffers = 1;
+
+ heap = mach64Screen->IsPCI ? MACH64_CARD_HEAP : MACH64_AGP_HEAP;
+
+ driCalculateMaxTextureLevels( & mmesa->texture_heaps[heap],
+ 1,
+ & ctx->Const,
+ mach64Screen->cpp,
+ 10, /* max 2D texture size is 1024x1024 */
+ 0, /* 3D textures unsupported. */
+ 0, /* cube textures unsupported. */
+ 0, /* texture rectangles unsupported. */
+ 1, /* mipmapping unsupported. */
+ GL_TRUE, /* need to have both textures in
+ either local or AGP memory */
+ 0 );
+
+#if ENABLE_PERF_BOXES
+ mmesa->boxes = ( getenv( "LIBGL_PERFORMANCE_BOXES" ) != NULL );
+#endif
+
+ /* Allocate the vertex buffer
+ */
+ mmesa->vert_buf = _mesa_align_malloc(MACH64_BUFFER_SIZE, 32);
+ if ( !mmesa->vert_buf )
+ return GL_FALSE;
+ mmesa->vert_used = 0;
+ mmesa->vert_total = MACH64_BUFFER_SIZE;
+
+ /* 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, mach64_pipeline ); */
+
+ /* Configure swrast and T&L to match hardware characteristics:
+ */
+ _swrast_allow_pixel_fog( ctx, GL_FALSE );
+ _swrast_allow_vertex_fog( ctx, GL_TRUE );
+ _tnl_allow_pixel_fog( ctx, GL_FALSE );
+ _tnl_allow_vertex_fog( ctx, GL_TRUE );
+
+ driInitExtensions( ctx, card_extensions, GL_TRUE );
+
+ mach64InitVB( ctx );
+ mach64InitTriFuncs( ctx );
+ mach64DDInitStateFuncs( ctx );
+ mach64DDInitSpanFuncs( ctx );
+ mach64DDInitState( mmesa );
+
+ mmesa->do_irqs = (mmesa->mach64Screen->irq && !getenv("MACH64_NO_IRQS"));
+
+ driContextPriv->driverPrivate = (void *)mmesa;
+
+ if (driQueryOptionb(&mmesa->optionCache, "no_rast")) {
+ fprintf(stderr, "disabling 3D acceleration\n");
+ FALLBACK(mmesa, MACH64_FALLBACK_DISABLE, 1);
+ }
+
+ return GL_TRUE;
+}
+
+/* Destroy the device specific context.
+ */
+void mach64DestroyContext( __DRIcontext *driContextPriv )
+{
+ mach64ContextPtr mmesa = (mach64ContextPtr) driContextPriv->driverPrivate;
+
+ assert(mmesa); /* should never be null */
+ if ( mmesa ) {
+ GLboolean release_texture_heaps;
+
+ release_texture_heaps = (mmesa->glCtx->Shared->RefCount == 1);
+
+ _swsetup_DestroyContext( mmesa->glCtx );
+ _tnl_DestroyContext( mmesa->glCtx );
+ _vbo_DestroyContext( mmesa->glCtx );
+ _swrast_DestroyContext( mmesa->glCtx );
+
+ if (release_texture_heaps) {
+ /* This share group is about to go away, free our private
+ * texture object data.
+ */
+ int i;
+
+ for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) {
+ driDestroyTextureHeap( mmesa->texture_heaps[i] );
+ mmesa->texture_heaps[i] = NULL;
+ }
+
+ assert( is_empty_list( & mmesa->swapped ) );
+ }
+
+ mach64FreeVB( mmesa->glCtx );
+
+ /* Free the vertex buffer */
+ if ( mmesa->vert_buf )
+ _mesa_align_free( mmesa->vert_buf );
+
+ /* free the Mesa context */
+ mmesa->glCtx->DriverCtx = NULL;
+ _mesa_destroy_context(mmesa->glCtx);
+
+ FREE( mmesa );
+ }
+}
+
+/* Force the context `c' to be the current context and associate with it
+ * buffer `b'.
+ */
+GLboolean
+mach64MakeCurrent( __DRIcontext *driContextPriv,
+ __DRIdrawable *driDrawPriv,
+ __DRIdrawable *driReadPriv )
+{
+ if ( driContextPriv ) {
+ GET_CURRENT_CONTEXT(ctx);
+ mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL;
+ mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate;
+
+ if ( newMach64Ctx != oldMach64Ctx ) {
+ newMach64Ctx->new_state |= MACH64_NEW_CONTEXT;
+ newMach64Ctx->dirty = MACH64_UPLOAD_ALL;
+ }
+
+
+ if ( newMach64Ctx->driDrawable != driDrawPriv ) {
+ if (driDrawPriv->swap_interval == (unsigned)-1) {
+ driDrawPriv->vblFlags = (newMach64Ctx->do_irqs)
+ ? driGetDefaultVBlankFlags(&newMach64Ctx->optionCache)
+ : VBLANK_FLAG_NO_IRQ;
+
+ driDrawableInitVBlank( driDrawPriv );
+ }
+
+ newMach64Ctx->driDrawable = driDrawPriv;
+ mach64CalcViewport( newMach64Ctx->glCtx );
+ }
+
+ _mesa_make_current( newMach64Ctx->glCtx,
+ (GLframebuffer *) driDrawPriv->driverPrivate,
+ (GLframebuffer *) driReadPriv->driverPrivate );
+
+
+ newMach64Ctx->new_state |= MACH64_NEW_CLIP;
+ } else {
+ _mesa_make_current( NULL, NULL, NULL );
+ }
+
+ return GL_TRUE;
+}
+
+
+/* Force the context `c' to be unbound from its buffer.
+ */
+GLboolean
+mach64UnbindContext( __DRIcontext *driContextPriv )
+{
+ return GL_TRUE;
+}
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