diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_buffers.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_buffers.c | 369 |
1 files changed, 307 insertions, 62 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_buffers.c b/src/mesa/drivers/dri/i915tex/intel_buffers.c index 1ded0b5417..45fd2fa8de 100644 --- a/src/mesa/drivers/dri/i915tex/intel_buffers.c +++ b/src/mesa/drivers/dri/i915tex/intel_buffers.c @@ -34,6 +34,7 @@ #include "intel_tris.h" #include "intel_regions.h" #include "intel_batchbuffer.h" +#include "intel_reg.h" #include "context.h" #include "utils.h" #include "drirenderbuffer.h" @@ -42,6 +43,23 @@ #include "vblank.h" +/* This block can be removed when libdrm >= 2.3.1 is required */ + +#ifndef DRM_VBLANK_FLIP + +#define DRM_VBLANK_FLIP 0x8000000 + +typedef struct drm_i915_flip { + int pipes; +} drm_i915_flip_t; + +#undef DRM_IOCTL_I915_FLIP +#define DRM_IOCTL_I915_FLIP DRM_IOW(DRM_COMMAND_BASE + DRM_I915_FLIP, \ + drm_i915_flip_t) + +#endif + + /** * XXX move this into a new dri/common/cliprects.c file. */ @@ -155,11 +173,14 @@ static void intelSetBackClipRects(struct intel_context *intel) { __DRIdrawablePrivate *dPriv = intel->driDrawable; + struct intel_framebuffer *intel_fb; if (!dPriv) return; - if (intel->sarea->pf_enabled == 0 && dPriv->numBackClipRects == 0) { + intel_fb = dPriv->driverPrivate; + + if (intel_fb->pf_active || dPriv->numBackClipRects == 0) { /* use the front clip rects */ intel->numClipRects = dPriv->numClipRects; intel->pClipRects = dPriv->pClipRects; @@ -185,7 +206,7 @@ intelWindowMoved(struct intel_context *intel) { GLcontext *ctx = &intel->ctx; __DRIdrawablePrivate *dPriv = intel->driDrawable; - GLframebuffer *drawFb = (GLframebuffer *) dPriv->driverPrivate; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; if (!intel->ctx.DrawBuffer) { /* when would this happen? -BP */ @@ -197,7 +218,7 @@ intelWindowMoved(struct intel_context *intel) } else { /* drawing to a window */ - switch (drawFb->_ColorDrawBufferMask[0]) { + switch (intel_fb->Base._ColorDrawBufferMask[0]) { case BUFFER_BIT_FRONT_LEFT: intelSetFrontClipRects(intel); break; @@ -210,10 +231,6 @@ intelWindowMoved(struct intel_context *intel) } } - /* Update Mesa's notion of window size */ - driUpdateFramebufferSize(ctx, dPriv); - drawFb->Initialized = GL_TRUE; /* XXX remove someday */ - if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) { drmI830Sarea *sarea = intel->sarea; drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w, @@ -226,22 +243,110 @@ intelWindowMoved(struct intel_context *intel) .y2 = sarea->pipeB_y + sarea->pipeB_h }; GLint areaA = driIntersectArea( drw_rect, pipeA_rect ); GLint areaB = driIntersectArea( drw_rect, pipeB_rect ); - GLuint flags = intel->vblank_flags; + GLuint flags = intel_fb->vblank_flags; + GLboolean pf_active; + GLint pf_pipes; + /* Update page flipping info + */ + pf_pipes = 0; + + if (areaA > 0) + pf_pipes |= 1; + + if (areaB > 0) + pf_pipes |= 2; + + intel_fb->pf_current_page = (intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3; + + intel_fb->pf_num_pages = intel->intelScreen->third.handle ? 3 : 2; + + pf_active = pf_pipes && (pf_pipes & intel->sarea->pf_active) == pf_pipes; + + if (INTEL_DEBUG & DEBUG_LOCK) + if (pf_active != intel_fb->pf_active) + _mesa_printf("%s - Page flipping %sactive\n", __progname, + pf_active ? "" : "in"); + + if (pf_active) { + /* Sync pages between pipes if we're flipping on both at the same time */ + if (pf_pipes == 0x3 && pf_pipes != intel_fb->pf_pipes && + (intel->sarea->pf_current_page & 0x3) != + (((intel->sarea->pf_current_page) >> 2) & 0x3)) { + drm_i915_flip_t flip; + + if (intel_fb->pf_current_page == + (intel->sarea->pf_current_page & 0x3)) { + /* XXX: This is ugly, but emitting two flips 'in a row' can cause + * lockups for unknown reasons. + */ + intel->sarea->pf_current_page = + intel->sarea->pf_current_page & 0x3; + intel->sarea->pf_current_page |= + ((intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) % + intel_fb->pf_num_pages) << 2; + + flip.pipes = 0x2; + } else { + intel->sarea->pf_current_page = + intel->sarea->pf_current_page & (0x3 << 2); + intel->sarea->pf_current_page |= + (intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) % + intel_fb->pf_num_pages; + + flip.pipes = 0x1; + } + + drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip)); + } + + intel_fb->pf_pipes = pf_pipes; + } + + intel_fb->pf_active = pf_active; + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); + + /* Update vblank info + */ if (areaB > areaA || (areaA == areaB && areaB > 0)) { - flags = intel->vblank_flags | VBLANK_FLAG_SECONDARY; + flags = intel_fb->vblank_flags | VBLANK_FLAG_SECONDARY; } else { - flags = intel->vblank_flags & ~VBLANK_FLAG_SECONDARY; + flags = intel_fb->vblank_flags & ~VBLANK_FLAG_SECONDARY; } - if (flags != intel->vblank_flags) { - intel->vblank_flags = flags; - driGetCurrentVBlank(dPriv, intel->vblank_flags, &intel->vbl_seq); + if (flags != intel_fb->vblank_flags) { + drmVBlank vbl; + int i; + + vbl.request.type = DRM_VBLANK_ABSOLUTE; + + if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { + vbl.request.type |= DRM_VBLANK_SECONDARY; + } + + for (i = 0; i < intel_fb->pf_num_pages; i++) { + vbl.request.sequence = intel_fb->color_rb[i]->vbl_pending; + drmWaitVBlank(intel->driFd, &vbl); + } + + intel_fb->vblank_flags = flags; + driGetCurrentVBlank(dPriv, intel_fb->vblank_flags, &intel_fb->vbl_seq); + intel_fb->vbl_waited = intel_fb->vbl_seq; + + for (i = 0; i < intel_fb->pf_num_pages; i++) { + intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_waited; + } } } else { - intel->vblank_flags &= ~VBLANK_FLAG_SECONDARY; + intel_fb->vblank_flags &= ~VBLANK_FLAG_SECONDARY; } + /* Update Mesa's notion of window size */ + driUpdateFramebufferSize(ctx, dPriv); + intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */ + /* Update hardware scissor */ ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, ctx->Scissor.Width, ctx->Scissor.Height); @@ -259,6 +364,7 @@ static void intelClearWithTris(struct intel_context *intel, GLbitfield mask) { GLcontext *ctx = &intel->ctx; + struct gl_framebuffer *fb = ctx->DrawBuffer; drm_clip_rect_t clear; if (INTEL_DEBUG & DEBUG_BLIT) @@ -274,10 +380,10 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask) intel->vtbl.install_meta_state(intel); /* Get clear bounds after locking */ - cx = ctx->DrawBuffer->_Xmin; - cy = ctx->DrawBuffer->_Ymin; - ch = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; - cw = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; + cx = fb->_Xmin; + cy = fb->_Ymin; + ch = fb->_Ymax - cx; + cw = fb->_Xmax - cy; /* note: regardless of 'all', cx, cy, cw, ch are now correct */ clear.x1 = cx; @@ -291,9 +397,9 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask) if (mask & (BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH)) { struct intel_region *backRegion = - intel_get_rb_region(ctx->DrawBuffer, BUFFER_BACK_LEFT); + intel_get_rb_region(fb, BUFFER_BACK_LEFT); struct intel_region *depthRegion = - intel_get_rb_region(ctx->DrawBuffer, BUFFER_DEPTH); + intel_get_rb_region(fb, BUFFER_DEPTH); const GLuint clearColor = (backRegion && backRegion->cpp == 4) ? intel->ClearColor8888 : intel->ClearColor565; @@ -330,8 +436,7 @@ intelClearWithTris(struct intel_context *intel, GLbitfield mask) const GLuint bufBit = 1 << buf; if (mask & bufBit) { struct intel_renderbuffer *irbColor = - intel_renderbuffer(ctx->DrawBuffer-> - Attachment[buf].Renderbuffer); + intel_renderbuffer(fb->Attachment[buf].Renderbuffer); GLuint color = (irbColor->region->cpp == 4) ? intel->ClearColor8888 : intel->ClearColor565; @@ -372,6 +477,7 @@ intelRotateWindow(struct intel_context *intel, { intelScreenPrivate *screen = intel->intelScreen; drm_clip_rect_t fullRect; + struct intel_framebuffer *intel_fb; struct intel_region *src; const drm_clip_rect_t *clipRects; int numClipRects; @@ -421,16 +527,18 @@ intelRotateWindow(struct intel_context *intel, intel->vtbl.meta_draw_region(intel, screen->rotated_region, NULL); /* ? */ - if (srcBuf == BUFFER_BIT_FRONT_LEFT) { - src = intel->intelScreen->front_region; - clipRects = dPriv->pClipRects; - numClipRects = dPriv->numClipRects; - } - else { - src = intel->intelScreen->back_region; + intel_fb = dPriv->driverPrivate; + + if ((srcBuf == BUFFER_BIT_BACK_LEFT && !intel_fb->pf_active)) { + src = intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT); clipRects = dPriv->pBackClipRects; numClipRects = dPriv->numBackClipRects; } + else { + src = intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT); + clipRects = dPriv->pClipRects; + numClipRects = dPriv->numClipRects; + } if (src->cpp == 4) { format = GL_BGRA; @@ -516,6 +624,7 @@ intelClear(GLcontext *ctx, GLbitfield mask) GLbitfield tri_mask = 0; GLbitfield blit_mask = 0; GLbitfield swrast_mask = 0; + struct gl_framebuffer *fb = ctx->DrawBuffer; GLuint i; if (0) @@ -535,7 +644,7 @@ intelClear(GLcontext *ctx, GLbitfield mask) /* HW stencil */ if (mask & BUFFER_BIT_STENCIL) { const struct intel_region *stencilRegion - = intel_get_rb_region(ctx->DrawBuffer, BUFFER_STENCIL); + = intel_get_rb_region(fb, BUFFER_STENCIL); if (stencilRegion) { /* have hw stencil */ if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) { @@ -564,7 +673,7 @@ intelClear(GLcontext *ctx, GLbitfield mask) for (i = 0; i < BUFFER_COUNT; i++) { GLuint bufBit = 1 << i; if ((blit_mask | tri_mask) & bufBit) { - if (!ctx->DrawBuffer->Attachment[i].Renderbuffer->ClassID) { + if (!fb->Attachment[i].Renderbuffer->ClassID) { blit_mask &= ~bufBit; tri_mask &= ~bufBit; swrast_mask |= bufBit; @@ -586,15 +695,43 @@ intelClear(GLcontext *ctx, GLbitfield mask) } +/* Emit wait for pending flips */ +void +intel_wait_flips(struct intel_context *intel, GLuint batch_flags) +{ + struct intel_framebuffer *intel_fb = + (struct intel_framebuffer *) intel->ctx.DrawBuffer; + struct intel_renderbuffer *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_fb->Base.Name == 0 && intel_rb->pf_pending == intel_fb->pf_seq) { + GLint pf_pipes = intel_fb->pf_pipes; + BATCH_LOCALS; + + /* Wait for pending flips to take effect */ + BEGIN_BATCH(2, batch_flags); + OUT_BATCH(pf_pipes & 0x1 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP) + : 0); + OUT_BATCH(pf_pipes & 0x2 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_B_FLIP) + : 0); + ADVANCE_BATCH(); + + intel_rb->pf_pending--; + } +} + /* Flip the front & back buffers */ -static void +static GLboolean intelPageFlip(const __DRIdrawablePrivate * dPriv) { -#if 0 struct intel_context *intel; - int tmp, ret; + int ret; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; if (INTEL_DEBUG & DEBUG_IOCTL) fprintf(stderr, "%s\n", __FUNCTION__); @@ -605,28 +742,45 @@ intelPageFlip(const __DRIdrawablePrivate * dPriv) intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate; + if (intel->intelScreen->drmMinor < 9) + return GL_FALSE; + intelFlush(&intel->ctx); + + ret = 0; + LOCK_HARDWARE(intel); - if (dPriv->pClipRects) { - *(drm_clip_rect_t *) intel->sarea->boxes = dPriv->pClipRects[0]; - intel->sarea->nbox = 1; - } + if (dPriv->numClipRects && intel_fb->pf_active) { + drm_i915_flip_t flip; - ret = drmCommandNone(intel->driFd, DRM_I830_FLIP); - if (ret) { - fprintf(stderr, "%s: %d\n", __FUNCTION__, ret); - UNLOCK_HARDWARE(intel); - exit(1); + flip.pipes = intel_fb->pf_pipes; + + ret = drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip)); } - tmp = intel->sarea->last_enqueue; - intelRefillBatchLocked(intel); UNLOCK_HARDWARE(intel); + if (ret || !intel_fb->pf_active) + return GL_FALSE; - intelSetDrawBuffer(&intel->ctx, intel->ctx.Color.DriverDrawBuffer); -#endif + if (!dPriv->numClipRects) { + usleep(10000); /* throttle invisible client 10ms */ + } + + intel_fb->pf_current_page = (intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3; + + if (dPriv->numClipRects != 0) { + intel_get_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT)->pf_pending = + intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->pf_pending = + ++intel_fb->pf_seq; + } + + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, &intel_fb->Base); + + return GL_TRUE; } #if 0 @@ -641,7 +795,7 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv) if (ctx && ctx->DrawBuffer == fb) { _mesa_notifySwapBuffers(ctx); /* flush pending rendering */ } - if (0 /*intel->doPageFlip */ ) { /* doPageFlip is never set !!! */ + if (intel->doPageFlip) { intelPageFlip(dPriv); } else { @@ -657,6 +811,83 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv) #else /* Trunk version: */ + +static GLboolean +intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target) +{ + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + unsigned int interval = driGetVBlankInterval(dPriv, intel_fb->vblank_flags); + struct intel_context *intel = + intelScreenContext(dPriv->driScreenPriv->private); + const intelScreenPrivate *intelScreen = intel->intelScreen; + unsigned int target; + drm_i915_vblank_swap_t swap; + GLboolean ret; + + if ((intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) || + intelScreen->current_rotation != 0 || + intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6)) + return GL_FALSE; + + swap.seqtype = DRM_VBLANK_ABSOLUTE; + + if (intel_fb->vblank_flags & VBLANK_FLAG_SYNC) { + swap.seqtype |= DRM_VBLANK_NEXTONMISS; + } else if (interval == 0) { + return GL_FALSE; + } + + swap.drawable = dPriv->hHWDrawable; + target = swap.sequence = intel_fb->vbl_seq + interval; + + if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { + swap.seqtype |= DRM_VBLANK_SECONDARY; + } + + LOCK_HARDWARE(intel); + + intel_batchbuffer_flush(intel->batch); + + if ( intel_fb->pf_active ) { + swap.seqtype |= DRM_VBLANK_FLIP; + + intel_fb->pf_current_page = (((intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3) + 1) % + intel_fb->pf_num_pages; + } + + if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap, + sizeof(swap))) { + intel_fb->vbl_seq = swap.sequence; + swap.sequence -= target; + *missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23); + + intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->vbl_pending = + intel_get_renderbuffer(&intel_fb->Base, + BUFFER_FRONT_LEFT)->vbl_pending = + intel_fb->vbl_seq; + + if (swap.seqtype & DRM_VBLANK_FLIP) { + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); + } + + ret = GL_TRUE; + } else { + if (swap.seqtype & DRM_VBLANK_FLIP) { + intel_fb->pf_current_page = ((intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3) % + intel_fb->pf_num_pages; + } + + ret = GL_FALSE; + } + + UNLOCK_HARDWARE(intel); + + return ret; +} + void intelSwapBuffers(__DRIdrawablePrivate * dPriv) { @@ -671,16 +902,34 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv) if (ctx->Visual.doubleBufferMode) { intelScreenPrivate *screen = intel->intelScreen; - _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */ - if (0 /*intel->doPageFlip */ ) { /* doPageFlip is never set !!! */ - intelPageFlip(dPriv); - } - else { - intelCopyBuffer(dPriv, NULL); - } - if (screen->current_rotation != 0) { - intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT); - } + GLboolean missed_target; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + int64_t ust; + + _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */ + + if (screen->current_rotation != 0 || + !intelScheduleSwap(dPriv, &missed_target)) { + driWaitForVBlank(dPriv, &intel_fb->vbl_seq, intel_fb->vblank_flags, + &missed_target); + + if (screen->current_rotation != 0 || !intelPageFlip(dPriv)) { + intelCopyBuffer(dPriv, NULL); + } + + if (screen->current_rotation != 0) { + intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT); + } + } + + intel_fb->swap_count++; + (*dri_interface->getUST) (&ust); + if (missed_target) { + intel_fb->swap_missed_count++; + intel_fb->swap_missed_ust = ust - intel_fb->swap_ust; + } + + intel_fb->swap_ust = ust; } } else { @@ -788,10 +1037,6 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb) */ if (fb->Name == 0) { /* drawing to window system buffer */ - if (intel->sarea->pf_current_page == 1) { - /* page flipped back/front */ - front ^= 1; - } if (front) { intelSetFrontClipRects(intel); colorRegion = intel_get_rb_region(fb, BUFFER_FRONT_LEFT); |