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Diffstat (limited to 'src/mesa/drivers/dri/r200/r200_context.c')
-rw-r--r--src/mesa/drivers/dri/r200/r200_context.c595
1 files changed, 595 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
new file mode 100644
index 0000000000..c5f23effab
--- /dev/null
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -0,0 +1,595 @@
+/* $XFree86$ */
+/**************************************************************************
+
+Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+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 THE COPYRIGHT OWNER(S) 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "glheader.h"
+#include "api_arrayelt.h"
+#include "context.h"
+#include "simple_list.h"
+#include "imports.h"
+#include "matrix.h"
+#include "extensions.h"
+#include "state.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 "r200_context.h"
+#include "r200_ioctl.h"
+#include "r200_state.h"
+#include "r200_span.h"
+#include "r200_pixel.h"
+#include "r200_tex.h"
+#include "r200_swtcl.h"
+#include "r200_tcl.h"
+#include "r200_vtxfmt.h"
+#include "r200_maos.h"
+
+#define DRIVER_DATE "20030328"
+
+#include "vblank.h"
+#include "utils.h"
+#ifndef R200_DEBUG
+int R200_DEBUG = (0);
+#endif
+
+
+
+/* Return the width and height of the given buffer.
+ */
+static void r200GetBufferSize( GLframebuffer *buffer,
+ GLuint *width, GLuint *height )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ r200ContextPtr rmesa = R200_CONTEXT(ctx);
+
+ LOCK_HARDWARE( rmesa );
+ *width = rmesa->dri.drawable->w;
+ *height = rmesa->dri.drawable->h;
+ UNLOCK_HARDWARE( rmesa );
+}
+
+/* Return various strings for glGetString().
+ */
+static const GLubyte *r200GetString( GLcontext *ctx, GLenum name )
+{
+ r200ContextPtr rmesa = R200_CONTEXT(ctx);
+ static char buffer[128];
+ unsigned offset;
+ GLuint agp_mode = rmesa->r200Screen->IsPCI ? 0 :
+ rmesa->r200Screen->AGPMode;
+
+ switch ( name ) {
+ case GL_VENDOR:
+ return (GLubyte *)"Tungsten Graphics, Inc.";
+
+ case GL_RENDERER:
+ offset = driGetRendererString( buffer, "R200", DRIVER_DATE,
+ agp_mode );
+
+ sprintf( & buffer[ offset ], " %sTCL",
+ !(rmesa->TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
+ ? "" : "NO-" );
+
+ return (GLubyte *)buffer;
+
+ default:
+ return NULL;
+ }
+}
+
+
+/* Extension strings exported by the R200 driver.
+ */
+static const char * const card_extensions[] =
+{
+ "GL_ARB_multisample",
+ "GL_ARB_multitexture",
+ "GL_ARB_texture_border_clamp",
+ "GL_ARB_texture_compression",
+ "GL_ARB_texture_env_add",
+ "GL_ARB_texture_env_combine",
+ "GL_ARB_texture_env_dot3",
+ "GL_ARB_texture_mirrored_repeat",
+ "GL_EXT_blend_logic_op",
+ "GL_EXT_blend_minmax",
+ "GL_EXT_blend_subtract",
+ "GL_EXT_secondary_color",
+ "GL_EXT_stencil_wrap",
+ "GL_EXT_texture_edge_clamp",
+ "GL_EXT_texture_env_add",
+ "GL_EXT_texture_env_combine",
+ "GL_EXT_texture_env_dot3",
+ "GL_EXT_texture_filter_anisotropic",
+ "GL_EXT_texture_lod_bias",
+ "GL_ATI_texture_env_combine3",
+ "GL_ATI_texture_mirror_once",
+ "GL_IBM_texture_mirrored_repeat",
+ "GL_MESA_pack_invert",
+ "GL_MESA_ycbcr_texture",
+ "GL_NV_blend_square",
+ "GL_NV_texture_rectangle",
+ "GL_SGIS_generate_mipmap",
+ "GL_SGIS_texture_border_clamp",
+ "GL_SGIS_texture_edge_clamp",
+ NULL
+};
+
+extern const struct gl_pipeline_stage _r200_render_stage;
+extern const struct gl_pipeline_stage _r200_tcl_stage;
+
+static const struct gl_pipeline_stage *r200_pipeline[] = {
+
+ /* Try and go straight to t&l
+ */
+ &_r200_tcl_stage,
+
+ /* Catch any t&l fallbacks
+ */
+ &_tnl_vertex_transform_stage,
+ &_tnl_normal_transform_stage,
+ &_tnl_lighting_stage,
+ &_tnl_fog_coordinate_stage,
+ &_tnl_texgen_stage,
+ &_tnl_texture_transform_stage,
+
+ /* Try again to go to tcl?
+ * - no good for asymmetric-twoside (do with multipass)
+ * - no good for asymmetric-unfilled (do with multipass)
+ * - good for material
+ * - good for texgen
+ * - need to manipulate a bit of state
+ *
+ * - worth it/not worth it?
+ */
+
+ /* Else do them here.
+ */
+/* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */
+ &_tnl_render_stage, /* FALLBACK: */
+ 0,
+};
+
+
+
+/* Initialize the driver's misc functions.
+ */
+static void r200InitDriverFuncs( GLcontext *ctx )
+{
+ ctx->Driver.GetBufferSize = r200GetBufferSize;
+ ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
+ ctx->Driver.GetString = r200GetString;
+
+ ctx->Driver.Error = NULL;
+ ctx->Driver.DrawPixels = NULL;
+ ctx->Driver.Bitmap = NULL;
+}
+
+static const struct dri_debug_control debug_control[] =
+{
+ { "fall", DEBUG_FALLBACKS },
+ { "tex", DEBUG_TEXTURE },
+ { "ioctl", DEBUG_IOCTL },
+ { "prim", DEBUG_PRIMS },
+ { "vert", DEBUG_VERTS },
+ { "state", DEBUG_STATE },
+ { "code", DEBUG_CODEGEN },
+ { "vfmt", DEBUG_VFMT },
+ { "vtxf", DEBUG_VFMT },
+ { "verb", DEBUG_VERBOSE },
+ { "dri", DEBUG_DRI },
+ { "dma", DEBUG_DMA },
+ { "san", DEBUG_SANITY },
+ { "sync", DEBUG_SYNC },
+ { "pix", DEBUG_PIXEL },
+ { "mem", DEBUG_MEMORY },
+ { NULL, 0 }
+};
+
+
+static int
+get_ust_nop( int64_t * ust )
+{
+ *ust = 1;
+ return 0;
+}
+
+
+/* Create the device specific context.
+ */
+GLboolean r200CreateContext( const __GLcontextModes *glVisual,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+ r200ScreenPtr screen = (r200ScreenPtr)(sPriv->private);
+ r200ContextPtr rmesa;
+ GLcontext *ctx, *shareCtx;
+ int i;
+
+ assert(glVisual);
+ assert(driContextPriv);
+ assert(screen);
+
+ /* Allocate the R200 context */
+ rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
+ if ( !rmesa )
+ return GL_FALSE;
+
+ /* Allocate the Mesa context */
+ if (sharedContextPrivate)
+ shareCtx = ((r200ContextPtr) 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;
+
+ /* Init r200 context data */
+ rmesa->dri.context = driContextPriv;
+ rmesa->dri.screen = sPriv;
+ rmesa->dri.drawable = NULL; /* Set by XMesaMakeCurrent */
+ rmesa->dri.hwContext = driContextPriv->hHWContext;
+ rmesa->dri.hwLock = &sPriv->pSAREA->lock;
+ rmesa->dri.fd = sPriv->fd;
+ rmesa->dri.drmMinor = sPriv->drmMinor;
+
+ rmesa->r200Screen = screen;
+ rmesa->sarea = (RADEONSAREAPrivPtr)((GLubyte *)sPriv->pSAREA +
+ screen->sarea_priv_offset);
+
+
+ rmesa->dma.buf0_address = rmesa->r200Screen->buffers->list[0].address;
+
+ (void) memset( rmesa->texture_heaps, 0, sizeof( rmesa->texture_heaps ) );
+ make_empty_list( & rmesa->swapped );
+
+ rmesa->nr_heaps = 1 /* screen->numTexHeaps */ ;
+ for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
+ rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa,
+ screen->texSize[i],
+ 12,
+ RADEON_NR_TEX_REGIONS,
+ rmesa->sarea->texList[i],
+ & rmesa->sarea->texAge[i],
+ & rmesa->swapped,
+ sizeof( r200TexObj ),
+ (destroy_texture_object_t *) r200DestroyTexObj );
+ }
+
+ rmesa->swtcl.RenderIndex = ~0;
+ rmesa->lost_context = 1;
+
+ /* 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 = rmesa->glCtx;
+ ctx->Const.MaxTextureUnits = 2;
+
+ driCalculateMaxTextureLevels( rmesa->texture_heaps,
+ rmesa->nr_heaps,
+ & ctx->Const,
+ 4,
+ 11, /* max 2D texture size is 2048x2048 */
+#if ENABLE_HW_3D_TEXTURE
+ 8, /* max 3D texture size is 256^3 */
+#else
+ 0, /* 3D textures unsupported */
+#endif
+ 11, /* max cube texture size is 2048x2048 */
+ 11, /* max texture rectangle size is 2048x2048 */
+ 12,
+ GL_FALSE );
+
+ ctx->Const.MaxTextureMaxAnisotropy = 16.0;
+
+ /* No wide points.
+ */
+ ctx->Const.MinPointSize = 1.0;
+ ctx->Const.MinPointSizeAA = 1.0;
+ ctx->Const.MaxPointSize = 1.0;
+ ctx->Const.MaxPointSizeAA = 1.0;
+
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = 10.0;
+ ctx->Const.MaxLineWidthAA = 10.0;
+ ctx->Const.LineWidthGranularity = 0.0625;
+
+ /* Initialize the software rasterizer and helper modules.
+ */
+ _swrast_CreateContext( ctx );
+ _ac_CreateContext( ctx );
+ _tnl_CreateContext( ctx );
+ _swsetup_CreateContext( ctx );
+ _ae_create_context( ctx );
+
+ /* Install the customized pipeline:
+ */
+ _tnl_destroy_pipeline( ctx );
+ _tnl_install_pipeline( ctx, r200_pipeline );
+ ctx->Driver.FlushVertices = r200FlushVertices;
+
+ /* Try and keep materials and vertices separate:
+ */
+ _tnl_isolate_materials( ctx, GL_TRUE );
+
+
+ /* Configure swrast to match hardware characteristics:
+ */
+ _swrast_allow_pixel_fog( ctx, GL_FALSE );
+ _swrast_allow_vertex_fog( ctx, GL_TRUE );
+
+
+ _math_matrix_ctr( &rmesa->TexGenMatrix[0] );
+ _math_matrix_ctr( &rmesa->TexGenMatrix[1] );
+ _math_matrix_ctr( &rmesa->tmpmat );
+ _math_matrix_set_identity( &rmesa->TexGenMatrix[0] );
+ _math_matrix_set_identity( &rmesa->TexGenMatrix[1] );
+ _math_matrix_set_identity( &rmesa->tmpmat );
+
+ driInitExtensions( ctx, card_extensions, GL_TRUE );
+ if (rmesa->r200Screen->drmSupportsCubeMaps)
+ _mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" );
+
+ r200InitDriverFuncs( ctx );
+ r200InitIoctlFuncs( ctx );
+ r200InitStateFuncs( ctx );
+ r200InitSpanFuncs( ctx );
+ r200InitPixelFuncs( ctx );
+ r200InitTextureFuncs( ctx );
+ r200InitState( rmesa );
+ r200InitSwtcl( ctx );
+
+ rmesa->iw.irq_seq = -1;
+ rmesa->irqsEmitted = 0;
+ rmesa->do_irqs = (rmesa->dri.drmMinor >= 6 &&
+ !getenv("R200_NO_IRQS") &&
+ rmesa->r200Screen->irq);
+
+ if (!rmesa->do_irqs)
+ fprintf(stderr,
+ "IRQ's not enabled, falling back to busy waits: %d %d %d\n",
+ rmesa->dri.drmMinor,
+ !!getenv("R200_NO_IRQS"),
+ rmesa->r200Screen->irq);
+
+
+ rmesa->do_usleeps = !getenv("R200_NO_USLEEPS");
+
+ rmesa->vblank_flags = (rmesa->do_irqs)
+ ? driGetDefaultVBlankFlags() : VBLANK_FLAG_NO_IRQ;
+
+ rmesa->prefer_agp_client_texturing =
+ (getenv("R200_AGP_CLIENT_TEXTURES") != 0);
+
+#ifndef _SOLO
+ rmesa->get_ust = (PFNGLXGETUSTPROC) glXGetProcAddress( "__glXGetUST" );
+ if ( rmesa->get_ust == NULL ) {
+ rmesa->get_ust = get_ust_nop;
+ }
+
+ (*rmesa->get_ust)( & rmesa->swap_ust );
+#endif
+
+#if DO_DEBUG
+ R200_DEBUG = driParseDebugString( getenv( "R200_DEBUG" ),
+ debug_control );
+ R200_DEBUG |= driParseDebugString( getenv( "RADEON_DEBUG" ),
+ debug_control );
+#endif
+
+ if (getenv("R200_NO_RAST")) {
+ fprintf(stderr, "disabling 3D acceleration\n");
+ FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
+ }
+ else if (getenv("R200_NO_TCL")) {
+ fprintf(stderr, "disabling TCL support\n");
+ TCL_FALLBACK(rmesa->glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
+ }
+ else {
+ if (!getenv("R200_NO_VTXFMT")) {
+ r200VtxfmtInit( ctx );
+ }
+ _tnl_need_dlist_norm_lengths( ctx, GL_FALSE );
+ }
+ return GL_TRUE;
+}
+
+
+/* Destroy the device specific context.
+ */
+/* Destroy the Mesa and driver specific context data.
+ */
+void r200DestroyContext( __DRIcontextPrivate *driContextPriv )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ r200ContextPtr rmesa = (r200ContextPtr) driContextPriv->driverPrivate;
+ r200ContextPtr current = ctx ? R200_CONTEXT(ctx) : NULL;
+
+ /* check if we're deleting the currently bound context */
+ if (rmesa == current) {
+ R200_FIREVERTICES( rmesa );
+ _mesa_make_current2(NULL, NULL, NULL);
+ }
+
+ /* Free r200 context resources */
+ 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 );
+
+ r200DestroySwtcl( rmesa->glCtx );
+ r200ReleaseArrays( rmesa->glCtx, ~0 );
+
+ if (rmesa->dma.current.buf) {
+ r200ReleaseDmaRegion( rmesa, &rmesa->dma.current, __FUNCTION__ );
+ r200FlushCmdBuf( rmesa, __FUNCTION__ );
+ }
+
+ if (!rmesa->TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
+ if (!getenv("R200_NO_VTXFMT"))
+ r200VtxfmtDestroy( rmesa->glCtx );
+
+ /* free the Mesa context */
+ rmesa->glCtx->DriverCtx = NULL;
+ _mesa_destroy_context( rmesa->glCtx );
+
+ if (rmesa->state.scissor.pClipRects) {
+ FREE(rmesa->state.scissor.pClipRects);
+ rmesa->state.scissor.pClipRects = 0;
+ }
+
+ 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 );
+ }
+}
+
+
+
+
+void
+r200SwapBuffers( __DRIdrawablePrivate *dPriv )
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ r200ContextPtr rmesa;
+ GLcontext *ctx;
+ rmesa = (r200ContextPtr) dPriv->driContextPriv->driverPrivate;
+ ctx = rmesa->glCtx;
+ if (ctx->Visual.doubleBufferMode) {
+ _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
+ if ( rmesa->doPageFlip ) {
+ r200PageFlip( dPriv );
+ }
+ else {
+ r200CopyBuffer( dPriv );
+ }
+ }
+ }
+ else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
+ }
+}
+
+
+/* Force the context `c' to be the current context and associate with it
+ * buffer `b'.
+ */
+GLboolean
+r200MakeCurrent( __DRIcontextPrivate *driContextPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv )
+{
+ if ( driContextPriv ) {
+ r200ContextPtr newCtx =
+ (r200ContextPtr) driContextPriv->driverPrivate;
+
+ if (R200_DEBUG & DEBUG_DRI)
+ fprintf(stderr, "%s ctx %p\n", __FUNCTION__, newCtx->glCtx);
+
+ if ( newCtx->dri.drawable != driDrawPriv ) {
+ newCtx->dri.drawable = driDrawPriv;
+ r200UpdateWindow( newCtx->glCtx );
+ r200UpdateViewportOffset( newCtx->glCtx );
+ }
+
+ _mesa_make_current2( newCtx->glCtx,
+ (GLframebuffer *) driDrawPriv->driverPrivate,
+ (GLframebuffer *) driReadPriv->driverPrivate );
+
+ if ( !newCtx->glCtx->Viewport.Width ) {
+ _mesa_set_viewport( newCtx->glCtx, 0, 0,
+ driDrawPriv->w, driDrawPriv->h );
+ }
+
+ if (newCtx->vb.enabled)
+ r200VtxfmtMakeCurrent( newCtx->glCtx );
+
+ _mesa_update_state( newCtx->glCtx );
+ r200ValidateState( newCtx->glCtx );
+
+ } else {
+ if (R200_DEBUG & DEBUG_DRI)
+ fprintf(stderr, "%s ctx is null\n", __FUNCTION__);
+ _mesa_make_current( 0, 0 );
+ }
+
+ if (R200_DEBUG & DEBUG_DRI)
+ fprintf(stderr, "End %s\n", __FUNCTION__);
+ return GL_TRUE;
+}
+
+/* Force the context `c' to be unbound from its buffer.
+ */
+GLboolean
+r200UnbindContext( __DRIcontextPrivate *driContextPriv )
+{
+ r200ContextPtr rmesa = (r200ContextPtr) driContextPriv->driverPrivate;
+
+ if (R200_DEBUG & DEBUG_DRI)
+ fprintf(stderr, "%s ctx %p\n", __FUNCTION__, rmesa->glCtx);
+
+ r200VtxfmtUnbindContext( rmesa->glCtx );
+ return GL_TRUE;
+}
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