/************************************************************************** * * 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 "i830_dri.h" #include "intel_screen.h" #include "intel_context.h" #include "intel_swapbuffers.h" #include "intel_batchbuffer.h" #include "intel_winsys_softpipe.h" #include "i915simple/i915_screen.h" #include "state_tracker/st_public.h" #include "state_tracker/st_context.h" #include "pipe/p_defines.h" #include "pipe/p_context.h" #include "utils.h" #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" /** * 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}, {"GL_EXT_packed_depth_stencil", NULL}, {"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 /** * Create i915 hardware rendering context. */ static struct pipe_context * intel_create_i915simple(struct intel_context *intel, struct pipe_winsys *winsys) { struct pipe_screen *screen; /* Fill in this struct with callbacks that i915simple will need to * communicate with the window system, buffer manager, etc. */ screen = i915_create_screen(winsys, intel->intelScreen->deviceID); /* Create the i915simple context: */ return i915_create_context(screen, winsys, &intel->base.base ); } static void intel_lock_hardware(struct intel_be_context *context) { struct intel_context *intel = (struct intel_context *)context; LOCK_HARDWARE(intel); } static void intel_unlock_hardware(struct intel_be_context *context) { struct intel_context *intel = (struct intel_context *)context; UNLOCK_HARDWARE(intel); } static boolean intel_locked_hardware(struct intel_be_context *context) { struct intel_context *intel = (struct intel_context *)context; return intel->locked ? TRUE : FALSE; } GLboolean intelCreateContext(const __GLcontextModes * visual, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate) { struct intel_context *intel = CALLOC_STRUCT(intel_context); __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; struct intel_screen *intelScreen = intel_screen(sPriv); drmI830Sarea *saPriv = intelScreen->sarea; int fthrottle_mode; GLboolean havePools; struct pipe_context *pipe; struct st_context *st_share = NULL; if (sharedContextPrivate) { st_share = ((struct intel_context *) sharedContextPrivate)->st; } 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); // ZZZ JB should be per screen and not be done per context havePools = intelCreatePools(sPriv); 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->last_swap_fence = NULL; intel->first_swap_fence = NULL; #ifdef DEBUG __intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); #endif intel->base.hardware_lock = intel_lock_hardware; intel->base.hardware_unlock = intel_unlock_hardware; intel->base.hardware_locked = intel_locked_hardware; intel_be_init_context(&intel->base, &intelScreen->base); /* * Pipe-related setup */ if (getenv("INTEL_SP")) { /* use softpipe driver instead of hw */ pipe = intel_create_softpipe( intel, &intelScreen->base.base ); } 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, &intelScreen->base.base ); break; default: fprintf(stderr, "Unknown PCIID %x in %s, using software driver\n", intel->intelScreen->deviceID, __FUNCTION__); pipe = intel_create_softpipe( intel, &intelScreen->base.base ); break; } } pipe->priv = intel; intel->st = st_create_context(pipe, visual, st_share); driInitExtensions( intel->st->ctx, card_extensions, GL_TRUE ); return GL_TRUE; } void intelDestroyContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); assert(intel); /* should never be null */ if (intel) { st_finish(intel->st); 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 (intel->intelScreen->dummyContext == intel) intel->intelScreen->dummyContext = NULL; st_destroy_context(intel->st); intel_be_destroy_context(&intel->base); free(intel); } } GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); st_flush(intel->st, PIPE_FLUSH_RENDER_CACHE, NULL); /* XXX make_current(NULL)? */ return GL_TRUE; } GLboolean intelMakeCurrent(__DRIcontextPrivate * driContextPriv, __DRIdrawablePrivate * driDrawPriv, __DRIdrawablePrivate * driReadPriv) { if (driContextPriv) { struct intel_context *intel = intel_context(driContextPriv); struct intel_framebuffer *draw_fb = intel_framebuffer(driDrawPriv); struct intel_framebuffer *read_fb = intel_framebuffer(driReadPriv); assert(draw_fb->stfb); assert(read_fb->stfb); /* This is for situations in which we need a rendering context but * there may not be any currently bound. */ intel->intelScreen->dummyContext = intel; st_make_current(intel->st, draw_fb->stfb, read_fb->stfb); if ((intel->driDrawable != driDrawPriv) || (intel->lastStamp != driDrawPriv->lastStamp)) { intel->driDrawable = driDrawPriv; intelUpdateWindowSize(driDrawPriv); intel->lastStamp = driDrawPriv->lastStamp; } /* The size of the draw buffer will have been updated above. * If the readbuffer is a different window, check/update its size now. */ if (driReadPriv != driDrawPriv) { intelUpdateWindowSize(driReadPriv); } } else { st_make_current(NULL, NULL, NULL); } return GL_TRUE; }