diff options
Diffstat (limited to 'r200/r200_context.c')
| -rw-r--r-- | r200/r200_context.c | 714 |
1 files changed, 714 insertions, 0 deletions
diff --git a/r200/r200_context.c b/r200/r200_context.c new file mode 100644 index 0000000..786a298 --- /dev/null +++ b/r200/r200_context.c @@ -0,0 +1,714 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_context.c,v 1.3 2003/05/06 23:52:08 daenzer Exp $ */ +/* +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 "framebuffer.h" +#include "state.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 "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_maos.h" +#include "r200_vertprog.h" + +#define need_GL_ARB_multisample +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ATI_fragment_shader +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_fog_coord +#define need_GL_EXT_secondary_color +#define need_GL_EXT_blend_equation_separate +#define need_GL_EXT_blend_func_separate +#define need_GL_NV_vertex_program +#define need_GL_ARB_point_parameters +#include "extension_helper.h" + +#define DRIVER_DATE "20060602" + +#include "vblank.h" +#include "utils.h" +#include "xmlpool.h" /* for symbolic values of enum-type options */ +#ifndef R200_DEBUG +int R200_DEBUG = (0); +#endif + +/* 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->card_type == RADEON_CARD_PCI)? 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. + */ +const struct dri_extension card_extensions[] = +{ + { "GL_ARB_multisample", GL_ARB_multisample_functions }, + { "GL_ARB_multitexture", NULL }, + { "GL_ARB_texture_border_clamp", NULL }, + { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, + { "GL_ARB_texture_env_add", NULL }, + { "GL_ARB_texture_env_combine", NULL }, + { "GL_ARB_texture_env_dot3", NULL }, + { "GL_ARB_texture_env_crossbar", NULL }, + { "GL_ARB_texture_mirrored_repeat", NULL }, + { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, + { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, + { "GL_EXT_blend_subtract", NULL }, + { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, + { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, + { "GL_EXT_stencil_wrap", NULL }, + { "GL_EXT_texture_edge_clamp", NULL }, + { "GL_EXT_texture_env_combine", NULL }, + { "GL_EXT_texture_env_dot3", NULL }, + { "GL_EXT_texture_filter_anisotropic", NULL }, + { "GL_EXT_texture_lod_bias", NULL }, + { "GL_EXT_texture_mirror_clamp", NULL }, + { "GL_EXT_texture_rectangle", NULL }, + { "GL_ATI_texture_env_combine3", NULL }, + { "GL_ATI_texture_mirror_once", NULL }, + { "GL_MESA_pack_invert", NULL }, + { "GL_NV_blend_square", NULL }, + { "GL_SGIS_generate_mipmap", NULL }, + { NULL, NULL } +}; + +const struct dri_extension blend_extensions[] = { + { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, + { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, + { NULL, NULL } +}; + +const struct dri_extension ARB_vp_extension[] = { + { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions } +}; + +const struct dri_extension NV_vp_extension[] = { + { "GL_NV_vertex_program", GL_NV_vertex_program_functions } +}; + +const struct dri_extension ATI_fs_extension[] = { + { "GL_ATI_fragment_shader", GL_ATI_fragment_shader_functions } +}; + +const struct dri_extension point_extensions[] = { + { "GL_ARB_point_sprite", NULL }, + { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, + { NULL, NULL } +}; + +extern const struct tnl_pipeline_stage _r200_render_stage; +extern const struct tnl_pipeline_stage _r200_tcl_stage; + +static const struct tnl_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, + &_tnl_point_attenuation_stage, + &_tnl_vertex_program_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: */ + NULL, +}; + + + +/* Initialize the driver's misc functions. + */ +static void r200InitDriverFuncs( struct dd_function_table *functions ) +{ + functions->GetBufferSize = NULL; /* OBSOLETE */ + functions->GetString = r200GetString; +} + +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 } +}; + + +/* Create the device specific rendering context. + */ +GLboolean r200CreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate) +{ + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private); + struct dd_function_table functions; + r200ContextPtr rmesa; + GLcontext *ctx, *shareCtx; + int i; + int tcl_mode, fthrottle_mode; + + assert(glVisual); + assert(driContextPriv); + assert(screen); + + /* Allocate the R200 context */ + rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) ); + if ( !rmesa ) + return GL_FALSE; + + /* init exp fog table data */ + r200InitStaticFogData(); + + /* Parse configuration files. + * Do this here so that initialMaxAnisotropy is set before we create + * the default textures. + */ + driParseConfigFiles (&rmesa->optionCache, &screen->optionCache, + screen->driScreen->myNum, "r200"); + rmesa->initialMaxAnisotropy = driQueryOptionf(&rmesa->optionCache, + "def_max_anisotropy"); + + if ( driQueryOptionb( &rmesa->optionCache, "hyperz" ) ) { + if ( sPriv->drmMinor < 13 ) + fprintf( stderr, "DRM version 1.%d too old to support HyperZ, " + "disabling.\n",sPriv->drmMinor ); + else + rmesa->using_hyperz = GL_TRUE; + } + + if ( sPriv->drmMinor >= 15 ) + rmesa->texmicrotile = GL_TRUE; + + /* Init default driver functions then plug in our R200-specific functions + * (the texture functions are especially important) + */ + _mesa_init_driver_functions(&functions); + r200InitDriverFuncs(&functions); + r200InitIoctlFuncs(&functions); + r200InitStateFuncs(&functions); + r200InitTextureFuncs(&functions); + r200InitShaderFuncs(&functions); + + /* Allocate and initialize the Mesa context */ + if (sharedContextPrivate) + shareCtx = ((r200ContextPtr) sharedContextPrivate)->glCtx; + else + shareCtx = NULL; + rmesa->glCtx = _mesa_create_context(glVisual, shareCtx, + &functions, (void *) rmesa); + 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 = (drm_radeon_sarea_t *)((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 */ ; + assert(rmesa->nr_heaps < RADEON_NR_TEX_HEAPS); + for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) { + rmesa->texture_heaps[i] = driCreateTextureHeap( i, rmesa, + screen->texSize[i], + 12, + RADEON_NR_TEX_REGIONS, + (drmTextureRegionPtr)rmesa->sarea->tex_list[i], + & rmesa->sarea->tex_age[i], + & rmesa->swapped, + sizeof( r200TexObj ), + (destroy_texture_object_t *) r200DestroyTexObj ); + } + rmesa->texture_depth = driQueryOptioni (&rmesa->optionCache, + "texture_depth"); + if (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB) + rmesa->texture_depth = ( screen->cpp == 4 ) ? + DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16; + + rmesa->swtcl.RenderIndex = ~0; + rmesa->hw.all_dirty = 1; + + /* Set the maximum texture size small enough that we can guarentee that + * all texture units can bind a maximal texture and have all of them in + * texturable memory at once. Depending on the allow_large_textures driconf + * setting allow larger textures. + */ + + ctx = rmesa->glCtx; + ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->optionCache, + "texture_units"); + ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; + ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; + + i = driQueryOptioni( &rmesa->optionCache, "allow_large_textures"); + + 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, + i ); + + ctx->Const.MaxTextureMaxAnisotropy = 16.0; + + /* No wide AA points. + */ + ctx->Const.MinPointSize = 1.0; + ctx->Const.MinPointSizeAA = 1.0; + ctx->Const.MaxPointSizeAA = 1.0; + ctx->Const.PointSizeGranularity = 0.0625; + if (rmesa->r200Screen->drmSupportsPointSprites) + ctx->Const.MaxPointSize = 2047.0; + else + ctx->Const.MaxPointSize = 1.0; + + /* mesa initialization problem - _mesa_init_point was already called */ + ctx->Point.MaxSize = ctx->Const.MaxPointSize; + + 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; + + ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST; + ctx->Const.VertexProgram.MaxNativeAttribs = 12; + ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS; + ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM; + ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; + + /* Initialize the software rasterizer and helper modules. + */ + _swrast_CreateContext( ctx ); + _vbo_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 ); + + /* Try and keep materials and vertices separate: + */ +/* _tnl_isolate_materials( ctx, GL_TRUE ); */ + + + /* Configure swrast and TNL 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 ); + + + for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { + _math_matrix_ctr( &rmesa->TexGenMatrix[i] ); + _math_matrix_set_identity( &rmesa->TexGenMatrix[i] ); + } + _math_matrix_ctr( &rmesa->tmpmat ); + _math_matrix_set_identity( &rmesa->tmpmat ); + + driInitExtensions( ctx, card_extensions, GL_TRUE ); + if (!(rmesa->r200Screen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) { + /* yuv textures don't work with some chips - R200 / rv280 okay so far + others get the bit ordering right but don't actually do YUV-RGB conversion */ + _mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" ); + } + if (rmesa->glCtx->Mesa_DXTn) { + _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); + _mesa_enable_extension( ctx, "GL_S3_s3tc" ); + } + else if (driQueryOptionb (&rmesa->optionCache, "force_s3tc_enable")) { + _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); + } + + if (rmesa->r200Screen->drmSupportsCubeMapsR200) + _mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" ); + if (rmesa->r200Screen->drmSupportsBlendColor) { + driInitExtensions( ctx, blend_extensions, GL_FALSE ); + } + if(rmesa->r200Screen->drmSupportsVertexProgram) + driInitSingleExtension( ctx, ARB_vp_extension ); + if(driQueryOptionb(&rmesa->optionCache, "nv_vertex_program")) + driInitSingleExtension( ctx, NV_vp_extension ); + + if ((ctx->Const.MaxTextureUnits == 6) && rmesa->r200Screen->drmSupportsFragShader) + driInitSingleExtension( ctx, ATI_fs_extension ); + if (rmesa->r200Screen->drmSupportsPointSprites) + driInitExtensions( ctx, point_extensions, GL_FALSE ); +#if 0 + r200InitDriverFuncs( ctx ); + r200InitIoctlFuncs( ctx ); + r200InitStateFuncs( ctx ); + r200InitTextureFuncs( ctx ); +#endif + /* plug in a few more device driver functions */ + /* XXX these should really go right after _mesa_init_driver_functions() */ + r200InitPixelFuncs( ctx ); + r200InitSpanFuncs( ctx ); + r200InitTnlFuncs( ctx ); + r200InitState( rmesa ); + r200InitSwtcl( ctx ); + + fthrottle_mode = driQueryOptioni(&rmesa->optionCache, "fthrottle_mode"); + rmesa->iw.irq_seq = -1; + rmesa->irqsEmitted = 0; + rmesa->do_irqs = (fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS && + rmesa->r200Screen->irq); + + rmesa->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); + + if (!rmesa->do_irqs) + fprintf(stderr, + "IRQ's not enabled, falling back to %s: %d %d\n", + rmesa->do_usleeps ? "usleeps" : "busy waits", + fthrottle_mode, + rmesa->r200Screen->irq); + + rmesa->vblank_flags = (rmesa->r200Screen->irq != 0) + ? driGetDefaultVBlankFlags(&rmesa->optionCache) : VBLANK_FLAG_NO_IRQ; + + rmesa->prefer_gart_client_texturing = + (getenv("R200_GART_CLIENT_TEXTURES") != 0); + + (*dri_interface->getUST)( & rmesa->swap_ust ); + + +#if DO_DEBUG + R200_DEBUG = driParseDebugString( getenv( "R200_DEBUG" ), + debug_control ); + R200_DEBUG |= driParseDebugString( getenv( "RADEON_DEBUG" ), + debug_control ); +#endif + + tcl_mode = driQueryOptioni(&rmesa->optionCache, "tcl_mode"); + if (driQueryOptionb(&rmesa->optionCache, "no_rast")) { + fprintf(stderr, "disabling 3D acceleration\n"); + FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1); + } + else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") || + !(rmesa->r200Screen->chip_flags & RADEON_CHIPSET_TCL)) { + if (rmesa->r200Screen->chip_flags & RADEON_CHIPSET_TCL) { + rmesa->r200Screen->chip_flags &= ~RADEON_CHIPSET_TCL; + fprintf(stderr, "Disabling HW TCL support\n"); + } + TCL_FALLBACK(rmesa->glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1); + } + + 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_current(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 ); + _vbo_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->state.scissor.pClipRects) { + FREE(rmesa->state.scissor.pClipRects); + rmesa->state.scissor.pClipRects = NULL; + } + + if ( release_texture_heaps ) { + /* This share group is about to go away, free our private + * texture object data. + */ + int i; + + for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) { + driDestroyTextureHeap( rmesa->texture_heaps[ i ] ); + rmesa->texture_heaps[ i ] = NULL; + } + + assert( is_empty_list( & rmesa->swapped ) ); + } + + /* free the Mesa context */ + rmesa->glCtx->DriverCtx = NULL; + _mesa_destroy_context( rmesa->glCtx ); + + /* free the option cache */ + driDestroyOptionCache (&rmesa->optionCache); + + 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, NULL ); + } + } + } + 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__); + } +} + +void +r200CopySubBuffer( __DRIdrawablePrivate *dPriv, + int x, int y, int w, int h ) +{ + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + r200ContextPtr rmesa; + GLcontext *ctx; + rmesa = (r200ContextPtr) dPriv->driContextPriv->driverPrivate; + ctx = rmesa->glCtx; + if (ctx->Visual.doubleBufferMode) { + drm_clip_rect_t rect; + rect.x1 = x + dPriv->x; + rect.y1 = (dPriv->h - y - h) + dPriv->y; + rect.x2 = rect.x1 + w; + rect.y2 = rect.y1 + h; + _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */ + r200CopyBuffer( dPriv, &rect ); + } + } + 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__, (void *)newCtx->glCtx); + + if ( newCtx->dri.drawable != driDrawPriv ) { + driDrawableInitVBlank( driDrawPriv, newCtx->vblank_flags, + &newCtx->vbl_seq ); + } + + newCtx->dri.readable = driReadPriv; + + if ( newCtx->dri.drawable != driDrawPriv || + newCtx->lastStamp != driDrawPriv->lastStamp ) { + newCtx->dri.drawable = driDrawPriv; + + r200SetCliprects(newCtx); + r200UpdateViewportOffset( newCtx->glCtx ); + } + + _mesa_make_current( newCtx->glCtx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate ); + + _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( NULL, NULL, NULL ); + } + + 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__, (void *)rmesa->glCtx); + + return GL_TRUE; +} |