diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_context.c | 782 |
1 files changed, 0 insertions, 782 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.c b/src/mesa/drivers/dri/i915tex/intel_context.c deleted file mode 100644 index 5ab919ecb6..0000000000 --- a/src/mesa/drivers/dri/i915tex/intel_context.c +++ /dev/null @@ -1,782 +0,0 @@ -/************************************************************************** - * - * 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 "points.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.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 "intel_buffers.h" -#include "intel_tex.h" -#include "intel_span.h" -#include "intel_tris.h" -#include "intel_ioctl.h" -#include "intel_batchbuffer.h" -#include "intel_blit.h" -#include "intel_pixel.h" -#include "intel_regions.h" -#include "intel_buffer_objects.h" -#include "intel_fbo.h" - -#include "pipe/softpipe/sp_context.h" -#include "state_tracker/st_public.h" - - -#include "drirenderbuffer.h" -#include "vblank.h" -#include "utils.h" -#include "xmlpool.h" /* for symbolic values of enum-type options */ -#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_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 "20061102" - -_glthread_Mutex lockMutex; -static GLboolean lockMutexInit = GL_FALSE; - - -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_845_G: - chipset = "Intel(R) 845G"; - break; - case PCI_CHIP_I830_M: - chipset = "Intel(R) 830M"; - break; - case PCI_CHIP_I855_GM: - chipset = "Intel(R) 852GM/855GM"; - break; - case PCI_CHIP_I865_G: - chipset = "Intel(R) 865G"; - break; - case PCI_CHIP_I915_G: - chipset = "Intel(R) 915G"; - break; - case PCI_CHIP_I915_GM: - chipset = "Intel(R) 915GM"; - break; - case PCI_CHIP_I945_G: - chipset = "Intel(R) 945G"; - break; - case PCI_CHIP_I945_GM: - chipset = "Intel(R) 945GM"; - break; - case PCI_CHIP_I945_GME: - chipset = "Intel(R) 945GME"; - break; - case PCI_CHIP_G33_G: - chipset = "Intel(R) G33"; - break; - case PCI_CHIP_Q35_G: - chipset = "Intel(R) Q35"; - break; - case PCI_CHIP_Q33_G: - chipset = "Intel(R) Q33"; - break; - default: - chipset = "Unknown Intel Chipset"; - break; - } - - (void) driGetRendererString(buffer, chipset, DRIVER_DATE, 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_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} -}; - -extern const struct tnl_pipeline_stage _intel_render_stage; - -static const struct tnl_pipeline_stage *intel_pipeline[] = { - &_tnl_vertex_transform_stage, - &_tnl_vertex_cull_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, -#if 1 - &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */ -#endif - &_tnl_render_stage, - 0, -}; - - -static const struct dri_debug_control debug_control[] = { - {"tex", DEBUG_TEXTURE}, - {"state", DEBUG_STATE}, - {"ioctl", DEBUG_IOCTL}, - {"blit", DEBUG_BLIT}, - {"mip", DEBUG_MIPTREE}, - {"fall", DEBUG_FALLBACKS}, - {"verb", DEBUG_VERBOSE}, - {"bat", DEBUG_BATCH}, - {"pix", DEBUG_PIXEL}, - {"buf", DEBUG_BUFMGR}, - {"reg", DEBUG_REGION}, - {"fbo", DEBUG_FBO}, - {"lock", DEBUG_LOCK}, - {NULL, 0} -}; - - -static void -intelInvalidateState(GLcontext * ctx, GLuint new_state) -{ - _swrast_InvalidateState(ctx, new_state); - _swsetup_InvalidateState(ctx, new_state); - _vbo_InvalidateState(ctx, new_state); - _tnl_InvalidateState(ctx, new_state); - _tnl_invalidate_vertex_state(ctx, new_state); - - st_invalidate_state( ctx, new_state ); - - intel_context(ctx)->NewGLState |= new_state; -} - - -void -intelFlush(GLcontext * ctx) -{ - struct intel_context *intel = intel_context(ctx); - - if (intel->Fallback) - _swrast_flush(ctx); - - INTEL_FIREVERTICES(intel); - - if (intel->batch->map != intel->batch->ptr) - intel_batchbuffer_flush(intel->batch); - - /* XXX: Need to do an MI_FLUSH here. - */ -} - - -/** - * Check if we need to rotate/warp the front color buffer to the - * rotated screen. We generally need to do this when we get a glFlush - * or glFinish after drawing to the front color buffer. - * If no rotation, just copy the private fake front buffer to the real one. - */ -static void -intelCheckFrontUpdate(GLcontext * ctx) -{ - struct intel_context *intel = intel_context(ctx); - /* rely on _ColorDrawBufferMask being kept up to date by mesa - even for window-fbos. */ - /* not sure. Might need that for all masks including - BUFFER_BIT_FRONT_LEFT maybe? */ - if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == - BUFFER_BIT_FRONT_LEFT) { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - intelCopyBuffer(dPriv, NULL); - } -} - - -/** - * Called via glFlush. - */ -static void -intelglFlush(GLcontext * ctx) -{ - intelFlush(ctx); - intelCheckFrontUpdate(ctx); -} - -void -intelFinish(GLcontext * ctx) -{ - struct intel_context *intel = intel_context(ctx); - intelFlush(ctx); - if (intel->batch->last_fence) { - driFenceFinish(intel->batch->last_fence, - 0, GL_FALSE); - driFenceUnReference(intel->batch->last_fence); - intel->batch->last_fence = NULL; - } - intelCheckFrontUpdate(ctx); -} - - -void -intelInitDriverFunctions(struct dd_function_table *functions) -{ - _mesa_init_driver_functions(functions); - - functions->Flush = intelglFlush; - 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; - - intelInitTextureFuncs(functions); - intelInitPixelFuncs(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; - drmI830Sarea *saPriv = (drmI830Sarea *) - (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); - int fthrottle_mode; - GLboolean havePools; - - 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; - - if (!_mesa_initialize_context(&intel->ctx, - mesaVis, shareCtx, - functions, (void *) intel)) - return GL_FALSE; - - driContextPriv->driverPrivate = intel; - intel->intelScreen = intelScreen; - intel->driScreen = sPriv; - intel->sarea = saPriv; - - if (!lockMutexInit) { - lockMutexInit = GL_TRUE; - _glthread_INIT_MUTEX(lockMutex); - } - - driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, - intel->driScreen->myNum, "i915"); - - ctx->Const.MaxTextureMaxAnisotropy = 2.0; - - /* This doesn't yet catch all non-conformant rendering, but it's a - * start. - */ - if (getenv("INTEL_STRICT_CONFORMANCE")) { - intel->strict_conformance = 1; - } - - ctx->Const.MinLineWidth = 1.0; - ctx->Const.MinLineWidthAA = 1.0; - ctx->Const.MaxLineWidth = 3.0; - ctx->Const.MaxLineWidthAA = 3.0; - ctx->Const.LineWidthGranularity = 1.0; - - 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; - - /* reinitialize the context point state. - * It depend on constants in __GLcontextRec::Const - */ - _mesa_init_point(ctx); - - ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ - - /* Initialize the software rasterizer and helper modules. */ - _swrast_CreateContext(ctx); - _vbo_CreateContext(ctx); - _tnl_CreateContext(ctx); - _swsetup_CreateContext(ctx); - - /* Install the customized pipeline: */ - _tnl_destroy_pipeline(ctx); - _tnl_install_pipeline(ctx, intel_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_stipple = 1; - - /* XXX FBO: this doesn't seem to be used anywhere */ - switch (mesaVis->depthBits) { - case 0: /* what to do in this case? */ - case 16: - intel->polygon_offset_scale = 1.0 / 0xffff; - break; - case 24: - intel->polygon_offset_scale = 2.0 / 0xffffff; /* req'd to pass glean */ - break; - default: - assert(0); - break; - } - - /* Initialize swrast, tnl driver tables: */ - intelInitSpanFuncs(ctx); - intelInitTriFuncs(ctx); - - - intel->RenderIndex = ~0; - - fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); - intel->iw.irq_seq = -1; - intel->irqsEmitted = 0; - - intel->do_irqs = (intel->intelScreen->irq_active && - fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); - - intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); - - _math_matrix_ctr(&intel->ViewportMatrix); - - /* Disable imaging extension until convolution is working in - * teximage paths: - */ - driInitExtensions(ctx, card_extensions, -/* GL_TRUE, */ - GL_FALSE); - - - intel->batch = intel_batchbuffer_alloc(intel); - intel->last_swap_fence = NULL; - intel->first_swap_fence = NULL; - - intel_bufferobj_init(intel); - intel_fbo_init(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(&intel->optionCache, "force_s3tc_enable")) { - _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); - } - - intel->prim.primitive = ~0; - - -#if DO_DEBUG - INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); -#endif - - if (getenv("INTEL_NO_RAST")) { - fprintf(stderr, "disabling 3D rasterization\n"); - FALLBACK(intel, INTEL_FALLBACK_USER, 1); - } - - - st_create_context( &intel->ctx, - softpipe_create() ); - - - 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_FIREVERTICES(intel); - - intel->vtbl.destroy(intel); - - release_texture_heaps = (intel->ctx.Shared->RefCount == 1); - _swsetup_DestroyContext(&intel->ctx); - _tnl_DestroyContext(&intel->ctx); - _vbo_DestroyContext(&intel->ctx); - - _swrast_DestroyContext(&intel->ctx); - intel->Fallback = 0; /* don't call _swrast_Flush later */ - - 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 (INTEL_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "do something to free texture heaps\n"); - } - - /* free the Mesa context */ - _mesa_free_context_data(&intel->ctx); - } -} - -GLboolean -intelUnbindContext(__DRIcontextPrivate * driContextPriv) -{ - struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; - /* XXX UnbindContext is called AFTER the new context is made current. - Hopefully shouldn't be a problem ? */ - FLUSH_VERTICES((&intel->ctx), 0); - intelFlush(&intel->ctx); - return GL_TRUE; -} - -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; - - /* 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 */ - driUpdateFramebufferSize(&intel->ctx, driDrawPriv); - - if (driReadPriv != driDrawPriv) { - driUpdateFramebufferSize(&intel->ctx, driReadPriv); - } - - _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); - - /* The drawbuffer won't always be updated by _mesa_make_current: - */ - if (intel->ctx.DrawBuffer == &intel_fb->Base) { - - if (intel->driDrawable != driDrawPriv) { - if (driDrawPriv->pdraw->swap_interval == (unsigned)-1) { - int i; - - intel_fb->vblank_flags = (intel->intelScreen->irq_active != 0) - ? driGetDefaultVBlankFlags(&intel->optionCache) - : VBLANK_FLAG_NO_IRQ; - - (*dri_interface->getUST) (&intel_fb->swap_ust); - driDrawableInitVBlank(driDrawPriv, intel_fb->vblank_flags, - &intel_fb->vbl_seq); - intel_fb->vbl_waited = intel_fb->vbl_seq; - - for (i = 0; i < 2; i++) { - if (intel_fb->color_rb[i]) - intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_seq; - } - } - } - } - - 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; -} - -static void -intelContendedLock(struct intel_context *intel, GLuint flags) -{ - __DRIdrawablePrivate *dPriv = intel->driDrawable; - __DRIscreenPrivate *sPriv = intel->driScreen; - intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; - drmI830Sarea *sarea = intel->sarea; - - drmGetLock(intel->driFd, intel->hHWContext, flags); - - if (INTEL_DEBUG & DEBUG_LOCK) - _mesa_printf("%s - got contended lock\n", __progname); - - /* 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); - - if (sarea->width != intelScreen->width || - sarea->height != intelScreen->height) { - - intelUpdateScreenRotation(sPriv, sarea); - } - -#if 0 - if (sarea->width != intel->width || - sarea->height != intel->height || - sarea->rotation != intel->current_rotation) { - int numClipRects = intel->numClipRects; - - /* - * FIXME: Really only need to do this when drawing to a - * common back- or front buffer. - */ - - /* - * This will essentially drop the outstanding batchbuffer on the floor. - */ - intel->numClipRects = 0; - - if (intel->Fallback) - _swrast_flush(&intel->ctx); - - INTEL_FIREVERTICES(intel); - - if (intel->batch->map != intel->batch->ptr) - intel_batchbuffer_flush(intel->batch); - - intel->numClipRects = numClipRects; - - /* force window update */ - intel->lastStamp = 0; - - intel->width = sarea->width; - intel->height = sarea->height; - intel->current_rotation = sarea->rotation; - } -#endif -} - - -/* Lock the hardware and validate our state. - */ -void LOCK_HARDWARE( struct intel_context *intel ) -{ - char __ret=0; - struct intel_framebuffer *intel_fb = NULL; - struct intel_renderbuffer *intel_rb = NULL; - _glthread_LOCK_MUTEX(lockMutex); - assert(!intel->locked); - - if (intel->driDrawable) { - intel_fb = intel->driDrawable->driverPrivate; - - if (intel_fb) - intel_rb = - intel_get_renderbuffer(&intel_fb->Base, - intel_fb->Base._ColorDrawBufferMask[0] == - BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT : - BUFFER_BACK_LEFT); - } - - if (intel_rb && intel_fb->vblank_flags && - !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) && - (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { - drmVBlank vbl; - - vbl.request.type = DRM_VBLANK_ABSOLUTE; - - if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { - vbl.request.type |= DRM_VBLANK_SECONDARY; - } - - vbl.request.sequence = intel_rb->vbl_pending; - drmWaitVBlank(intel->driFd, &vbl); - intel_fb->vbl_waited = vbl.reply.sequence; - } - - DRM_CAS(intel->driHwLock, intel->hHWContext, - (DRM_LOCK_HELD|intel->hHWContext), __ret); - - if (__ret) - intelContendedLock( intel, 0 ); - - if (INTEL_DEBUG & DEBUG_LOCK) - _mesa_printf("%s - locked\n", __progname); - - intel->locked = 1; -} - - - /* Unlock the hardware using the global current context - */ -void UNLOCK_HARDWARE( struct intel_context *intel ) -{ - intel->locked = 0; - - DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); - - _glthread_UNLOCK_MUTEX(lockMutex); - - if (INTEL_DEBUG & DEBUG_LOCK) - _mesa_printf("%s - unlocked\n", __progname); -} - |