/************************************************************************** * * Copyright 2009, VMware, Inc. * 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 "utils.h" #include "vblank.h" #include "xmlpool.h" #include "dri_context.h" #include "dri_screen.h" #include "pipe/p_context.h" #include "pipe/p_screen.h" #include "pipe/p_inlines.h" #include "state_tracker/st_public.h" #include "state_tracker/st_cb_fbo.h" PUBLIC const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY // DRI_CONF_FORCE_S3TC_ENABLE(false) DRI_CONF_ALLOW_LARGE_TEXTURES(1) DRI_CONF_SECTION_END DRI_CONF_END; const uint __driNConfigOptions = 3; static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; extern const struct dri_extension card_extensions[]; static const __DRIextension *driScreenExtensions[] = { &driReadDrawableExtension, &driCopySubBufferExtension.base, &driSwapControlExtension.base, &driFrameTrackingExtension.base, &driMediaStreamCounterExtension.base, NULL }; static const char * dri_get_name( struct pipe_winsys *winsys ) { return "dri"; } static void dri_destroy_screen(__DRIscreenPrivate * sPriv) { struct dri_screen *screen = dri_screen(sPriv); screen->pipe_screen->destroy( screen->pipe_screen ); screen->pipe_winsys->destroy( screen->pipe_winsys ); FREE(screen); sPriv->private = NULL; } /** * Get information about previous buffer swaps. */ static int dri_get_swap_info(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) { if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL) return -1; else return 0; } static const __DRIconfig ** dri_fill_in_modes(__DRIscreenPrivate *psp, unsigned pixel_bits ) { __DRIconfig **configs; __GLcontextModes *m; unsigned num_modes; uint8_t depth_bits_array[3]; uint8_t stencil_bits_array[3]; uint8_t msaa_samples_array[1]; unsigned depth_buffer_factor; unsigned back_buffer_factor; GLenum fb_format; GLenum fb_type; int i; static const GLenum back_buffer_modes[] = { GLX_NONE, GLX_SWAP_UNDEFINED_OML }; depth_bits_array[0] = 0; depth_bits_array[1] = depth_bits; depth_bits_array[2] = depth_bits; stencil_bits_array[0] = 0; /* no depth or stencil */ stencil_bits_array[1] = 0; /* z24x8 */ stencil_bits_array[2] = 8; /* z24s8 */ msaa_samples_array[0] = 0; depth_buffer_factor = 3; back_buffer_factor = 1; num_modes = depth_buffer_factor * back_buffer_factor * 4; if (pixel_bits == 16) { fb_format = GL_RGB; fb_type = GL_UNSIGNED_SHORT_5_6_5; } else { fb_format = GL_BGRA; fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; } configs = driCreateConfigs(fb_format, fb_type, depth_bits_array, stencil_bits_array, depth_buffer_factor, back_buffer_modes, back_buffer_factor, msaa_samples_array, 1); if (configs == NULL) { debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__); return NULL; } return configs; } /* This is the driver specific part of the createNewScreen entry point. * * Returns the __GLcontextModes supported by this driver. */ static const __DRIconfig **dri_init_screen(__DRIscreenPrivate *sPriv) { static const __DRIversion ddx_expected = { 1, 6, 0 }; /* hw query */ static const __DRIversion dri_expected = { 4, 0, 0 }; static const __DRIversion drm_expected = { 1, 5, 0 }; /* hw query */ struct dri_screen *screen; if (!driCheckDriDdxDrmVersions2("dri", &sPriv->dri_version, &dri_expected, &sPriv->ddx_version, &ddx_expected, &sPriv->drm_version, &drm_expected)) { return NULL; } /* Set up dispatch table to cope with all known extensions: */ driInitExtensions( NULL, card_extensions, GL_FALSE ); screen = CALLOC_STRUCT(dri_screen); if (!screen) goto fail; screen->sPriv = sPriv; sPriv->private = (void *) screen; /* Search the registered winsys' for one that likes this sPriv. * This is required in situations where multiple devices speak to * the same DDX and are built into the same binary. * * Note that cases like Intel i915 vs i965 doesn't fall into this * category because they are built into separate binaries. * * Nonetheless, it's healthy to keep that level of detail out of * this state_tracker. */ for (i = 0; i < dri1_winsys_count && screen->st_winsys == NULL; i++) { screen->dri_winsys = dri_winsys[i]->check_dri_privates( sPriv->pDevPriv, sPriv->pSAREA /* versions, etc?? */)); } driParseOptionInfo(&screen->optionCache, __driConfigOptions, __driNConfigOptions); /* Plug our info back into the __DRIscreenPrivate: */ sPriv->private = (void *) screen; sPriv->extensions = driScreenExtensions; return dri_fill_in_modes(sPriv, dri_priv->cpp * 8, 24, 8, 1); fail: return NULL; } const struct __DriverAPIRec driDriverAPI = { .InitScreen = dri_init_screen, .DestroyScreen = dri_destroy_screen, .CreateContext = dri_create_context, .DestroyContext = dri_destroy_context, .CreateBuffer = dri_create_buffer, .DestroyBuffer = dri_destroy_buffer, .SwapBuffers = dri_swap_buffers, .MakeCurrent = dri_make_current, .UnbindContext = dri_unbind_context, .GetSwapInfo = dri_get_swap_info, .GetDrawableMSC = driDrawableGetMSC32, .WaitForMSC = driWaitForMSC32, .CopySubBuffer = dri_copy_sub_buffer, //.InitScreen2 = dri_init_screen2, };