/************************************************************************** * * 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 "extensions.h" #include "framebuffer.h" #include "i830_dri.h" #include "intel_screen.h" #include "intel_context.h" #include "intel_swapbuffers.h" #include "intel_winsys.h" #include "intel_batchbuffer.h" #include "state_tracker/st_public.h" #include "state_tracker/st_context.h" #include "pipe/p_defines.h" #include "pipe/p_context.h" /*#include "drirenderbuffer.h"*/ #include "vblank.h" #include "utils.h" #include "xmlpool.h" /* for symbolic values of enum-type options */ #ifdef 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_framebuffer_object #define need_GL_EXT_multi_draw_arrays #define need_GL_EXT_secondary_color #define need_GL_NV_vertex_program #include "extension_helper.h" #define DRIVER_DATE "20070731" /** * 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_pixel_buffer_object", NULL}, {"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_subtract", NULL}, {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions}, {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions}, {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions}, #if 1 /* XXX FBO temporary? */ {"GL_EXT_packed_depth_stencil", NULL}, #endif {"GL_EXT_pixel_buffer_object", NULL}, {"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_NV_vertex_program", GL_NV_vertex_program_functions}, {"GL_NV_vertex_program1_1", NULL}, /* { "GL_SGIS_generate_mipmap", NULL }, */ {NULL, NULL} }; #ifdef DEBUG static const struct dri_debug_control debug_control[] = { {"ioctl", DEBUG_IOCTL}, {"bat", DEBUG_BATCH}, {"lock", DEBUG_LOCK}, {"swap", DEBUG_SWAP}, {NULL, 0} }; #endif static void intelInitDriverFunctions(struct dd_function_table *functions) { memset(functions, 0, sizeof(*functions)); st_init_driver_functions(functions); } GLboolean intelCreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate) { struct intel_context *intel = CALLOC_STRUCT(intel_context); #if 0 struct dd_function_table functions; GLcontext *ctx = &intel->ctx; GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; #endif __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; drmI830Sarea *saPriv = intelScreen->sarea; int fthrottle_mode; GLboolean havePools; struct pipe_context *pipe; #if 0 intelInitDriverFunctions(&functions); if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, &functions, (void *) intel)) return GL_FALSE; #endif driContextPriv->driverPrivate = intel; intel->intelScreen = intelScreen; intel->driScreen = sPriv; intel->sarea = saPriv; driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, intel->driScreen->myNum, "i915"); /* * memory pools */ DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); havePools = intelCreatePools(intelScreen); DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); if (!havePools) return GL_FALSE; /* Dri stuff */ intel->hHWContext = driContextPriv->hHWContext; intel->driFd = sPriv->fd; intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); intel->iw.irq_seq = -1; intel->irqsEmitted = 0; intel->batch = intel_batchbuffer_alloc(intel); intel->last_swap_fence = NULL; intel->first_swap_fence = NULL; /* Disable imaging extension until convolution is working in * teximage paths: */ #if 0 driInitExtensions(ctx, card_extensions, /* GL_TRUE, */ GL_FALSE); #endif #if 0 if (intel->ctx.Mesa_DXTn) { _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); _mesa_enable_extension(ctx, "GL_S3_s3tc"); } else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); } #endif #ifdef DEBUG __intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); #endif /* * Pipe-related setup */ if (!getenv("INTEL_HW")) { pipe = intel_create_softpipe( intel ); } else { switch (intel->intelScreen->deviceID) { case PCI_CHIP_I945_G: case PCI_CHIP_I945_GM: case PCI_CHIP_I945_GME: case PCI_CHIP_G33_G: case PCI_CHIP_Q33_G: case PCI_CHIP_Q35_G: case PCI_CHIP_I915_G: case PCI_CHIP_I915_GM: pipe = intel_create_i915simple( intel ); break; default: _mesa_printf("Unknown PCIID %x in %s, using software driver\n", intel->intelScreen->deviceID, __FUNCTION__); pipe = intel_create_softpipe( intel ); break; } } #if 0 st_create_context( &intel->ctx, pipe ); #else intel->st = st_create_context2(pipe, mesaVis, NULL); intel->st->ctx->DriverCtx = intel; #endif return GL_TRUE; } void intelDestroyContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; GLcontext *ctx = intel->st->ctx; assert(intel); /* should never be null */ if (intel) { GLboolean release_texture_heaps; INTEL_FIREVERTICES(intel); //intel->vtbl.destroy(intel); release_texture_heaps = (ctx->Shared->RefCount == 1); intel_batchbuffer_free(intel->batch); if (intel->last_swap_fence) { driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); driFenceUnReference(intel->last_swap_fence); intel->last_swap_fence = NULL; } if (intel->first_swap_fence) { driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); driFenceUnReference(intel->first_swap_fence); intel->first_swap_fence = NULL; } if (release_texture_heaps) { /* This share group is about to go away, free our private * texture object data. */ } #if 0 /* free the Mesa context data */ _mesa_free_context_data(ctx); st_destroy_context(intel->ctx.st); #else st_destroy_context2(intel->st); #endif } } GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; st_flush(intel->st); return GL_TRUE; } /** * Copied/modified from drirenderbuffer.c */ void intelUpdateFramebufferSize(GLcontext *ctx, const __DRIdrawablePrivate *dPriv) { struct gl_framebuffer *fb = (struct gl_framebuffer *) dPriv->driverPrivate; if (fb && (dPriv->w != fb->Width || dPriv->h != fb->Height)) { _mesa_resize_framebuffer(ctx, fb, dPriv->w, dPriv->h); /* if the driver needs the hw lock for ResizeBuffers, the drawable might have changed again by now */ assert(fb->Width == dPriv->w); assert(fb->Height == dPriv->h); } } GLboolean intelMakeCurrent(__DRIcontextPrivate * driContextPriv, __DRIdrawablePrivate * driDrawPriv, __DRIdrawablePrivate * driReadPriv) { #if 0 if (driDrawPriv) { fprintf(stderr, "x %d, y %d, width %d, height %d\n", driDrawPriv->x, driDrawPriv->y, driDrawPriv->w, driDrawPriv->h); } #endif if (driContextPriv) { struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; struct intel_framebuffer *intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate; GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; GLcontext *ctx = intel->st->ctx; /* this is a hack so we have a valid context when the region allocation is done. Need a per-screen context? */ intel->intelScreen->dummyctxptr = intel; /* update GLframebuffer size to match window if needed */ intelUpdateFramebufferSize(ctx, driDrawPriv); if (driReadPriv != driDrawPriv) { intelUpdateFramebufferSize(ctx, driReadPriv); } _mesa_make_current(ctx, &intel_fb->Base, readFb); if ((intel->driDrawable != driDrawPriv) || (intel->lastStamp != driDrawPriv->lastStamp)) { intel->driDrawable = driDrawPriv; intelWindowMoved(intel); intel->lastStamp = driDrawPriv->lastStamp; } } else { _mesa_make_current(NULL, NULL, NULL); } return GL_TRUE; } struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen) { /* * This should probably change to have the screen allocate a dummy * context at screen creation. For now just use the current context. */ GET_CURRENT_CONTEXT(ctx); if (ctx == NULL) { /* _mesa_problem(NULL, "No current context in intelScreenContext\n"); return NULL; */ /* need a context for the first time makecurrent is called (for hw lock when allocating priv buffers) */ if (intelScreen->dummyctxptr == NULL) { _mesa_problem(NULL, "No current context in intelScreenContext\n"); return NULL; } return intelScreen->dummyctxptr; } return intel_context(ctx); }