summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/r128/r128_context.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/r128/r128_context.c')
-rw-r--r--src/mesa/drivers/dri/r128/r128_context.c335
1 files changed, 335 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_context.c b/src/mesa/drivers/dri/r128/r128_context.c
new file mode 100644
index 0000000000..f7f6d7141d
--- /dev/null
+++ b/src/mesa/drivers/dri/r128/r128_context.c
@@ -0,0 +1,335 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_context.c,v 1.8 2002/10/30 12:51:38 alanh Exp $ */
+/**************************************************************************
+
+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 <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "simple_list.h"
+#include "imports.h"
+#include "matrix.h"
+#include "extensions.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "array_cache/acache.h"
+
+#include "tnl/tnl.h"
+#include "tnl/t_pipeline.h"
+
+#include "r128_context.h"
+#include "r128_ioctl.h"
+#include "r128_dd.h"
+#include "r128_state.h"
+#include "r128_span.h"
+#include "r128_tex.h"
+#include "r128_tris.h"
+#include "r128_vb.h"
+
+#include "vblank.h"
+#include "utils.h"
+#include "texmem.h"
+
+#ifndef R128_DEBUG
+int R128_DEBUG = 0;
+#endif
+
+static const char * const card_extensions[] =
+{
+ "GL_ARB_multitexture",
+ "GL_ARB_texture_env_add",
+ "GL_ARB_texture_mirrored_repeat",
+ "GL_EXT_texture_edge_clamp",
+ "GL_EXT_texture_env_add",
+ "GL_IBM_texture_mirrored_repeat",
+ "GL_SGIS_generate_mipmap",
+ "GL_SGIS_texture_edge_clamp",
+ NULL
+};
+
+static const struct dri_debug_control debug_control[] =
+{
+ { "ioctl", DEBUG_VERBOSE_IOCTL },
+ { "verb", DEBUG_VERBOSE_MSG },
+ { "dri", DEBUG_VERBOSE_DRI },
+ { "2d", DEBUG_VERBOSE_2D },
+ { "sync", DEBUG_ALWAYS_SYNC },
+ { "api", DEBUG_VERBOSE_API },
+ { NULL, 0 }
+};
+
+/* Create the device specific context.
+ */
+GLboolean r128CreateContext( const __GLcontextModes *glVisual,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate )
+{
+ GLcontext *ctx, *shareCtx;
+ __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+ r128ContextPtr rmesa;
+ r128ScreenPtr r128scrn;
+ int i;
+
+ /* Allocate the r128 context */
+ rmesa = (r128ContextPtr) CALLOC( sizeof(*rmesa) );
+ if ( !rmesa )
+ return GL_FALSE;
+
+ /* Allocate the Mesa context */
+ if (sharedContextPrivate)
+ shareCtx = ((r128ContextPtr) sharedContextPrivate)->glCtx;
+ else
+ shareCtx = NULL;
+ rmesa->glCtx = _mesa_create_context(glVisual, shareCtx, (void *) rmesa, GL_TRUE);
+ if (!rmesa->glCtx) {
+ FREE(rmesa);
+ return GL_FALSE;
+ }
+ driContextPriv->driverPrivate = rmesa;
+ ctx = rmesa->glCtx;
+
+ rmesa->driContext = driContextPriv;
+ rmesa->driScreen = sPriv;
+ rmesa->driDrawable = NULL;
+ rmesa->hHWContext = driContextPriv->hHWContext;
+ rmesa->driHwLock = &sPriv->pSAREA->lock;
+ rmesa->driFd = sPriv->fd;
+
+ r128scrn = rmesa->r128Screen = (r128ScreenPtr)(sPriv->private);
+
+ rmesa->sarea = (R128SAREAPrivPtr)((char *)sPriv->pSAREA +
+ r128scrn->sarea_priv_offset);
+
+ rmesa->CurrentTexObj[0] = NULL;
+ rmesa->CurrentTexObj[1] = NULL;
+
+ (void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) );
+ make_empty_list( & rmesa->swapped );
+
+ rmesa->nr_heaps = r128scrn->numTexHeaps;
+ for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
+ rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa,
+ r128scrn->texSize[i],
+ 12,
+ R128_NR_TEX_REGIONS,
+ rmesa->sarea->texList[i],
+ & rmesa->sarea->texAge[i],
+ & rmesa->swapped,
+ sizeof( r128TexObj ),
+ (destroy_texture_object_t *) r128DestroyTexObj );
+
+ driSetTextureSwapCounterLocation( rmesa->texture_heaps[i],
+ & rmesa->c_textureSwaps );
+ }
+
+
+ rmesa->RenderIndex = -1; /* Impossible value */
+ rmesa->vert_buf = NULL;
+ rmesa->num_verts = 0;
+
+ /* Set the maximum texture size small enough that we can guarentee that
+ * all texture units can bind a maximal texture and have them both in
+ * texturable memory at once.
+ */
+
+ ctx->Const.MaxTextureUnits = 2;
+
+ driCalculateMaxTextureLevels( rmesa->texture_heaps,
+ rmesa->nr_heaps,
+ & ctx->Const,
+ 4,
+ 10, /* max 2D texture size is 1024x1024 */
+ 0, /* 3D textures unsupported. */
+ 0, /* cube textures unsupported. */
+ 0, /* texture rectangles unsupported. */
+ 11,
+ GL_FALSE );
+
+ /* No wide points.
+ */
+ ctx->Const.MinPointSize = 1.0;
+ ctx->Const.MinPointSizeAA = 1.0;
+ ctx->Const.MaxPointSize = 1.0;
+ ctx->Const.MaxPointSizeAA = 1.0;
+
+ /* No wide lines.
+ */
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = 1.0;
+ ctx->Const.MaxLineWidthAA = 1.0;
+ ctx->Const.LineWidthGranularity = 1.0;
+
+#if ENABLE_PERF_BOXES
+ rmesa->boxes = (getenv( "LIBGL_PERFORMANCE_BOXES" ) != NULL);
+#endif
+
+ /* Initialize the software rasterizer and helper modules.
+ */
+ _swrast_CreateContext( ctx );
+ _ac_CreateContext( ctx );
+ _tnl_CreateContext( ctx );
+ _swsetup_CreateContext( ctx );
+
+ /* Install the customized pipeline:
+ */
+/* _tnl_destroy_pipeline( ctx ); */
+/* _tnl_install_pipeline( ctx, r128_pipeline ); */
+
+ /* Configure swrast to match hardware characteristics:
+ */
+ _swrast_allow_pixel_fog( ctx, GL_FALSE );
+ _swrast_allow_vertex_fog( ctx, GL_TRUE );
+
+ driInitExtensions( ctx, card_extensions, GL_TRUE );
+ if (sPriv->drmMinor >= 4)
+ _mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" );
+
+ r128InitVB( ctx );
+ r128InitTriFuncs( ctx );
+ r128DDInitDriverFuncs( ctx );
+ r128DDInitIoctlFuncs( ctx );
+ r128DDInitStateFuncs( ctx );
+ r128DDInitSpanFuncs( ctx );
+ r128DDInitTextureFuncs( ctx );
+ r128DDInitState( rmesa );
+
+ rmesa->do_irqs = (rmesa->r128Screen->irq && !getenv("R128_NO_IRQS"));
+
+ rmesa->vblank_flags = (rmesa->do_irqs)
+ ? driGetDefaultVBlankFlags() : VBLANK_FLAG_NO_IRQ;
+
+ driContextPriv->driverPrivate = (void *)rmesa;
+
+#if DO_DEBUG
+ R128_DEBUG = driParseDebugString( getenv( "R128_DEBUG" ),
+ debug_control );
+#endif
+
+ return GL_TRUE;
+}
+
+/* Destroy the device specific context.
+ */
+void r128DestroyContext( __DRIcontextPrivate *driContextPriv )
+{
+ r128ContextPtr rmesa = (r128ContextPtr) driContextPriv->driverPrivate;
+
+ assert(rmesa); /* should never be null */
+ if ( rmesa ) {
+ GLboolean release_texture_heaps;
+
+
+ release_texture_heaps = (rmesa->glCtx->Shared->RefCount == 1);
+
+ _swsetup_DestroyContext( rmesa->glCtx );
+ _tnl_DestroyContext( rmesa->glCtx );
+ _ac_DestroyContext( rmesa->glCtx );
+ _swrast_DestroyContext( rmesa->glCtx );
+
+ r128FreeVB( rmesa->glCtx );
+
+ /* free the Mesa context */
+ rmesa->glCtx->DriverCtx = NULL;
+ _mesa_destroy_context(rmesa->glCtx);
+
+ if ( release_texture_heaps ) {
+ /* This share group is about to go away, free our private
+ * texture object data.
+ */
+ int i;
+
+ assert( is_empty_list( & rmesa->swapped ) );
+
+ for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
+ driDestroyTextureHeap( rmesa->texture_heaps[ i ] );
+ rmesa->texture_heaps[ i ] = NULL;
+ }
+ }
+
+ FREE( rmesa );
+ }
+
+#if 0
+ /* Use this to force shared object profiling. */
+ glx_fini_prof();
+#endif
+}
+
+
+/* Force the context `c' to be the current context and associate with it
+ * buffer `b'.
+ */
+GLboolean
+r128MakeCurrent( __DRIcontextPrivate *driContextPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv )
+{
+ if ( driContextPriv ) {
+ GET_CURRENT_CONTEXT(ctx);
+ r128ContextPtr oldR128Ctx = ctx ? R128_CONTEXT(ctx) : NULL;
+ r128ContextPtr newR128Ctx = (r128ContextPtr) driContextPriv->driverPrivate;
+
+ if ( newR128Ctx != oldR128Ctx ) {
+ newR128Ctx->new_state |= R128_NEW_CONTEXT;
+ newR128Ctx->dirty = R128_UPLOAD_ALL;
+ }
+
+ newR128Ctx->driDrawable = driDrawPriv;
+
+ _mesa_make_current2( newR128Ctx->glCtx,
+ (GLframebuffer *) driDrawPriv->driverPrivate,
+ (GLframebuffer *) driReadPriv->driverPrivate );
+
+
+ newR128Ctx->new_state |= R128_NEW_WINDOW | R128_NEW_CLIP;
+
+ if ( !newR128Ctx->glCtx->Viewport.Width ) {
+ _mesa_set_viewport(newR128Ctx->glCtx, 0, 0,
+ driDrawPriv->w, driDrawPriv->h);
+ }
+ } else {
+ _mesa_make_current( 0, 0 );
+ }
+
+ return GL_TRUE;
+}
+
+
+/* Force the context `c' to be unbound from its buffer.
+ */
+GLboolean
+r128UnbindContext( __DRIcontextPrivate *driContextPriv )
+{
+ return GL_TRUE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 19:17:05 +0000