diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_context.c | 656 |
1 files changed, 656 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c new file mode 100644 index 00000000000..59fc8073eee --- /dev/null +++ b/src/mesa/drivers/dri/i965/intel_context.c @@ -0,0 +1,656 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + + +#include "glheader.h" +#include "context.h" +#include "matrix.h" +#include "simple_list.h" +#include "extensions.h" +#include "framebuffer.h" +#include "imports.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "array_cache/acache.h" + +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +#include "drivers/common/driverfuncs.h" + +#include "intel_screen.h" + +#include "i830_dri.h" +#include "i830_common.h" + +#include "intel_tex.h" +#include "intel_span.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_regions.h" +#include "intel_buffer_objects.h" + +#include "bufmgr.h" + +#include "utils.h" +#ifndef INTEL_DEBUG +int INTEL_DEBUG = (0); +#endif + +#define need_GL_ARB_multisample +#define need_GL_ARB_point_parameters +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ARB_window_pos +#define need_GL_EXT_blend_color +#define need_GL_EXT_blend_equation_separate +#define need_GL_EXT_blend_func_separate +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_cull_vertex +#define need_GL_EXT_fog_coord +#define need_GL_EXT_multi_draw_arrays +#define need_GL_EXT_secondary_color +#include "extension_helper.h" + +#ifndef VERBOSE +int VERBOSE = 0; +#endif + +#if DEBUG_LOCKING +char *prevLockFile; +int prevLockLine; +#endif + +/*************************************** + * Mesa's Driver Functions + ***************************************/ + +#define DRIVER_VERSION "4.1.3002" + +static const GLubyte *intelGetString( GLcontext *ctx, GLenum name ) +{ + const char * chipset; + static char buffer[128]; + + switch (name) { + case GL_VENDOR: + return (GLubyte *)"Tungsten Graphics, Inc"; + break; + + case GL_RENDERER: + switch (intel_context(ctx)->intelScreen->deviceID) { + case PCI_CHIP_I965_Q: + chipset = "Intel(R) 965Q"; break; + break; + case PCI_CHIP_I965_G: + case PCI_CHIP_I965_G_1: + chipset = "Intel(R) 965G"; break; + break; + case PCI_CHIP_I946_GZ: + chipset = "Intel(R) 946GZ"; break; + break; + default: + chipset = "Unknown Intel Chipset"; break; + } + + (void) driGetRendererString( buffer, chipset, DRIVER_VERSION, 0 ); + return (GLubyte *) buffer; + + default: + return NULL; + } +} + + +/** + * Extension strings exported by the intel driver. + * + * \note + * It appears that ARB_texture_env_crossbar has "disappeared" compared to the + * old i830-specific driver. + */ +const struct dri_extension card_extensions[] = +{ + { "GL_ARB_multisample", GL_ARB_multisample_functions }, + { "GL_ARB_multitexture", NULL }, + { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, + { "GL_ARB_texture_border_clamp", NULL }, + { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, + { "GL_ARB_texture_cube_map", NULL }, + { "GL_ARB_texture_env_add", NULL }, + { "GL_ARB_texture_env_combine", NULL }, + { "GL_ARB_texture_env_dot3", NULL }, + { "GL_ARB_texture_mirrored_repeat", NULL }, + { "GL_ARB_texture_rectangle", NULL }, + { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, + { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, + { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, + { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, + { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, + { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, + { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, + { "GL_EXT_blend_logic_op", NULL }, + { "GL_EXT_blend_subtract", NULL }, + { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions }, + { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, + { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_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_3DFX_texture_compression_FXT1", NULL }, + { "GL_APPLE_client_storage", NULL }, + { "GL_MESA_pack_invert", NULL }, + { "GL_MESA_ycbcr_texture", NULL }, + { "GL_NV_blend_square", NULL }, + { "GL_SGIS_generate_mipmap", NULL }, + { NULL, 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 }, + { "verb", DEBUG_VERBOSE }, + { "dri", DEBUG_DRI }, + { "dma", DEBUG_DMA }, + { "san", DEBUG_SANITY }, + { "sync", DEBUG_SYNC }, + { "sleep", DEBUG_SLEEP }, + { "pix", DEBUG_PIXEL }, + { "buf", DEBUG_BUFMGR }, + { "stats", DEBUG_STATS }, + { "tile", DEBUG_TILE }, + { "sing", DEBUG_SINGLE_THREAD }, + { "thre", DEBUG_SINGLE_THREAD }, + { "wm", DEBUG_WM }, + { "vs", DEBUG_VS }, + { NULL, 0 } +}; + + +static void intelInvalidateState( GLcontext *ctx, GLuint new_state ) +{ + struct intel_context *intel = intel_context(ctx); + + _swrast_InvalidateState( ctx, new_state ); + _swsetup_InvalidateState( ctx, new_state ); + _ac_InvalidateState( ctx, new_state ); + _tnl_InvalidateState( ctx, new_state ); + _tnl_invalidate_vertex_state( ctx, new_state ); + + intel->NewGLState |= new_state; + + if (intel->vtbl.invalidate_state) + intel->vtbl.invalidate_state( intel, new_state ); +} + + +void intelFlush( GLcontext *ctx ) +{ + struct intel_context *intel = intel_context( ctx ); + + bmLockAndFence(intel); +} + +void intelFinish( GLcontext *ctx ) +{ + struct intel_context *intel = intel_context( ctx ); + + bmFinishFence(intel, bmLockAndFence(intel)); +} + + +void intelInitDriverFunctions( struct dd_function_table *functions ) +{ + _mesa_init_driver_functions( functions ); + + functions->Flush = intelFlush; + functions->Finish = intelFinish; + functions->GetString = intelGetString; + functions->UpdateState = intelInvalidateState; + functions->CopyColorTable = _swrast_CopyColorTable; + functions->CopyColorSubTable = _swrast_CopyColorSubTable; + functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; + functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; + + /* Pixel path fallbacks. + */ + functions->Accum = _swrast_Accum; + functions->Bitmap = _swrast_Bitmap; + functions->CopyPixels = _swrast_CopyPixels; + functions->ReadPixels = _swrast_ReadPixels; + functions->DrawPixels = _swrast_DrawPixels; + + intelInitTextureFuncs( functions ); + intelInitStateFuncs( functions ); + intelInitBufferFuncs( functions ); +} + + + +GLboolean intelInitContext( struct intel_context *intel, + const __GLcontextModes *mesaVis, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate, + struct dd_function_table *functions ) +{ + GLcontext *ctx = &intel->ctx; + GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private; + volatile drmI830Sarea *saPriv = (volatile drmI830Sarea *) + (((GLubyte *)sPriv->pSAREA)+intelScreen->sarea_priv_offset); + + if (!_mesa_initialize_context(&intel->ctx, + mesaVis, shareCtx, + functions, + (void*) intel)) { + _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); + return GL_FALSE; + } + + driContextPriv->driverPrivate = intel; + intel->intelScreen = intelScreen; + intel->driScreen = sPriv; + intel->sarea = saPriv; + + + ctx->Const.MaxTextureMaxAnisotropy = 2.0; + + if (getenv("INTEL_STRICT_CONFORMANCE")) { + intel->strict_conformance = 1; + } + + if (intel->strict_conformance) { + 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; + } + else { + ctx->Const.MinLineWidth = 1.0; + ctx->Const.MinLineWidthAA = 1.0; + ctx->Const.MaxLineWidth = 5.0; + ctx->Const.MaxLineWidthAA = 5.0; + ctx->Const.LineWidthGranularity = 0.5; + } + + ctx->Const.MinPointSize = 1.0; + ctx->Const.MinPointSizeAA = 1.0; + ctx->Const.MaxPointSize = 255.0; + ctx->Const.MaxPointSizeAA = 3.0; + ctx->Const.PointSizeGranularity = 1.0; + + /* Initialize the software rasterizer and helper modules. */ + _swrast_CreateContext( ctx ); + _ac_CreateContext( ctx ); + _tnl_CreateContext( ctx ); + _swsetup_CreateContext( ctx ); + + TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; + + /* Configure swrast to match hardware characteristics: */ + _swrast_allow_pixel_fog( ctx, GL_FALSE ); + _swrast_allow_vertex_fog( ctx, GL_TRUE ); + + /* Dri stuff */ + intel->hHWContext = driContextPriv->hHWContext; + intel->driFd = sPriv->fd; + intel->driHwLock = (drmLock *) &sPriv->pSAREA->lock; + + intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; + intel->hw_stipple = 1; + + switch(mesaVis->depthBits) { + case 0: /* what to do in this case? */ + case 16: + intel->depth_scale = 1.0/0xffff; + intel->polygon_offset_scale = 1.0/0xffff; + intel->depth_clear_mask = ~0; + intel->ClearDepth = 0xffff; + break; + case 24: + intel->depth_scale = 1.0/0xffffff; + intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */ + intel->depth_clear_mask = 0x00ffffff; + intel->stencil_clear_mask = 0xff000000; + intel->ClearDepth = 0x00ffffff; + break; + default: + assert(0); + break; + } + + /* Initialize swrast, tnl driver tables: */ + intelInitSpanFuncs( ctx ); + + intel->no_hw = getenv("INTEL_NO_HW") != NULL; + + if (!intel->intelScreen->irq_active) { + _mesa_printf("IRQs not active. Exiting\n"); + exit(1); + } + + _math_matrix_ctr (&intel->ViewportMatrix); + + driInitExtensions( ctx, card_extensions, + GL_TRUE ); + + INTEL_DEBUG = driParseDebugString( getenv( "INTEL_DEBUG" ), + debug_control ); + + + /* Buffer manager: + */ + intel->bm = bm_fake_intel_Attach( intel ); + + + bmInitPool(intel, + intel->intelScreen->tex.offset, /* low offset */ + intel->intelScreen->tex.map, /* low virtual */ + intel->intelScreen->tex.size, + BM_MEM_AGP); + + /* These are still static, but create regions for them. + */ + intel->front_region = + intel_region_create_static(intel, + BM_MEM_AGP, + intelScreen->front.offset, + intelScreen->front.map, + intelScreen->cpp, + intelScreen->front.pitch / intelScreen->cpp, + intelScreen->height, + GL_FALSE); + + + intel->back_region = + intel_region_create_static(intel, + BM_MEM_AGP, + intelScreen->back.offset, + intelScreen->back.map, + intelScreen->cpp, + intelScreen->back.pitch / intelScreen->cpp, + intelScreen->height, + (INTEL_DEBUG & DEBUG_TILE) ? 0 : 1); + + /* Still assuming front.cpp == depth.cpp + * + * XXX: Setting tiling to false because Depth tiling only supports + * YMAJOR but the blitter only supports XMAJOR tiling. Have to + * resolve later. + */ + intel->depth_region = + intel_region_create_static(intel, + BM_MEM_AGP, + intelScreen->depth.offset, + intelScreen->depth.map, + intelScreen->cpp, + intelScreen->depth.pitch / intelScreen->cpp, + intelScreen->height, + (INTEL_DEBUG & DEBUG_TILE) ? 0 : 1); + + intel_bufferobj_init( intel ); + intel->batch = intel_batchbuffer_alloc( intel ); + + if (intel->ctx.Mesa_DXTn) { + _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); + _mesa_enable_extension( ctx, "GL_S3_s3tc" ); + } + else if (driQueryOptionb (&intelScreen->optionCache, "force_s3tc_enable")) { + _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); + } + +/* driInitTextureObjects( ctx, & intel->swapped, */ +/* DRI_TEXMGR_DO_TEXTURE_1D | */ +/* DRI_TEXMGR_DO_TEXTURE_2D | */ +/* DRI_TEXMGR_DO_TEXTURE_RECT ); */ + + + intel->prim.primitive = ~0; + + if (getenv("INTEL_NO_RAST")) { + fprintf(stderr, "disabling 3D rasterization\n"); + intel->no_rast = 1; + } + + + return GL_TRUE; +} + +void intelDestroyContext(__DRIcontextPrivate *driContextPriv) +{ + struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; + + assert(intel); /* should never be null */ + if (intel) { + GLboolean release_texture_heaps; + + + intel->vtbl.destroy( intel ); + + release_texture_heaps = (intel->ctx.Shared->RefCount == 1); + _swsetup_DestroyContext (&intel->ctx); + _tnl_DestroyContext (&intel->ctx); + _ac_DestroyContext (&intel->ctx); + + _swrast_DestroyContext (&intel->ctx); + intel->Fallback = 0; /* don't call _swrast_Flush later */ + intel_batchbuffer_free(intel->batch); + intel->batch = NULL; + + + if ( release_texture_heaps ) { + /* This share group is about to go away, free our private + * texture object data. + */ + + /* XXX: destroy the shared bufmgr struct here? + */ + } + + /* Free the regions created to describe front/back/depth + * buffers: + */ +#if 0 + intel_region_release(intel, &intel->front_region); + intel_region_release(intel, &intel->back_region); + intel_region_release(intel, &intel->depth_region); + intel_region_release(intel, &intel->draw_region); +#endif + + /* free the Mesa context */ + _mesa_destroy_context(&intel->ctx); + } + + driContextPriv->driverPrivate = NULL; +} + +GLboolean intelUnbindContext(__DRIcontextPrivate *driContextPriv) +{ + return GL_TRUE; +} + +GLboolean intelMakeCurrent(__DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv) +{ + + if (driContextPriv) { + struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; + + if ( intel->driDrawable != driDrawPriv ) { + /* Shouldn't the readbuffer be stored also? */ + intel->driDrawable = driDrawPriv; + intelWindowMoved( intel ); + } + + _mesa_make_current(&intel->ctx, + (GLframebuffer *) driDrawPriv->driverPrivate, + (GLframebuffer *) driReadPriv->driverPrivate); + + intel->ctx.Driver.DrawBuffer( &intel->ctx, intel->ctx.Color.DrawBuffer[0] ); + } else { + _mesa_make_current(NULL, NULL, NULL); + } + + return GL_TRUE; +} + + +static void lost_hardware( struct intel_context *intel ) +{ + bm_fake_NotifyContendedLockTake( intel ); + intel->vtbl.lost_hardware( intel ); +} + +static void intelContendedLock( struct intel_context *intel, GLuint flags ) +{ + __DRIdrawablePrivate *dPriv = intel->driDrawable; + __DRIscreenPrivate *sPriv = intel->driScreen; + volatile drmI830Sarea * sarea = intel->sarea; + int me = intel->hHWContext; + + drmGetLock(intel->driFd, intel->hHWContext, flags); + + /* If the window moved, may need to set a new cliprect now. + * + * NOTE: This releases and regains the hw lock, so all state + * checking must be done *after* this call: + */ + if (dPriv) + DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); + + + intel->locked = 1; + + /* Lost context? + */ + if (sarea->ctxOwner != me) { + sarea->ctxOwner = me; + lost_hardware(intel); + } + + /* Drawable changed? + */ + if (dPriv && intel->lastStamp != dPriv->lastStamp) { + intelWindowMoved( intel ); + intel->lastStamp = dPriv->lastStamp; + + /* This works because the lock is always grabbed before emitting + * commands and commands are always flushed prior to releasing + * the lock. + */ + intel->NewGLState |= _NEW_WINDOW_POS; + } +} + +_glthread_DECLARE_STATIC_MUTEX(lockMutex); + +/* Lock the hardware and validate our state. + */ +void LOCK_HARDWARE( struct intel_context *intel ) +{ + char __ret=0; + + _glthread_LOCK_MUTEX(lockMutex); + assert(!intel->locked); + + + DRM_CAS(intel->driHwLock, intel->hHWContext, + (DRM_LOCK_HELD|intel->hHWContext), __ret); + if (__ret) + intelContendedLock( intel, 0 ); + + intel->locked = 1; + + if (intel->aub_wrap) { + bm_fake_NotifyContendedLockTake( intel ); + intel->vtbl.lost_hardware( intel ); + intel->vtbl.aub_wrap(intel); + intel->aub_wrap = 0; + } + + if (bmError(intel)) { + bmEvictAll(intel); + intel->vtbl.lost_hardware( intel ); + } + + /* Make sure nothing has been emitted prior to getting the lock: + */ + assert(intel->batch->map == 0); + + /* XXX: postpone, may not be needed: + */ + if (!intel_batchbuffer_map(intel->batch)) { + bmEvictAll(intel); + intel->vtbl.lost_hardware( intel ); + + /* This could only fail if the batchbuffer was greater in size + * than the available texture memory: + */ + if (!intel_batchbuffer_map(intel->batch)) { + _mesa_printf("double failure to map batchbuffer\n"); + assert(0); + } + } +} + + +/* Unlock the hardware using the global current context + */ +void UNLOCK_HARDWARE( struct intel_context *intel ) +{ + /* Make sure everything has been released: + */ + assert(intel->batch->ptr == intel->batch->map + intel->batch->offset); + + intel_batchbuffer_unmap(intel->batch); + intel->vtbl.note_unlock( intel ); + intel->locked = 0; + + + + DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); + _glthread_UNLOCK_MUTEX(lockMutex); +} + |