From: Eric Anholt Date: Mon, 29 Jun 2009 16:45:06 +0000 (-0700) Subject: intel: Make LOCK_HARDWARE recursive to avoid hand-rolling recursiveness. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3927874d9c7fafb61651d0fc69547c8e010181f5;p=mesa.git intel: Make LOCK_HARDWARE recursive to avoid hand-rolling recursiveness. --- diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c index 1d39278cbf0..a905455342d 100644 --- a/src/mesa/drivers/dri/i915/intel_tris.c +++ b/src/mesa/drivers/dri/i915/intel_tris.c @@ -1255,11 +1255,9 @@ intel_meta_draw_poly(struct intel_context *intel, { union fi *vb; GLint i; - GLboolean was_locked = intel->locked; unsigned int saved_vertex_size = intel->vertex_size; - if (!was_locked) - LOCK_HARDWARE(intel); + LOCK_HARDWARE(intel); intel->vertex_size = 6; @@ -1283,8 +1281,7 @@ intel_meta_draw_poly(struct intel_context *intel, intel->vertex_size = saved_vertex_size; - if (!was_locked) - UNLOCK_HARDWARE(intel); + UNLOCK_HARDWARE(intel); } static void diff --git a/src/mesa/drivers/dri/intel/intel_batchbuffer.c b/src/mesa/drivers/dri/intel/intel_batchbuffer.c index 29dc05c518e..0f87fc46a44 100644 --- a/src/mesa/drivers/dri/intel/intel_batchbuffer.c +++ b/src/mesa/drivers/dri/intel/intel_batchbuffer.c @@ -195,7 +195,6 @@ _intel_batchbuffer_flush(struct intel_batchbuffer *batch, const char *file, { struct intel_context *intel = batch->intel; GLuint used = batch->ptr - batch->map; - GLboolean was_locked = intel->locked; if (used == 0) { batch->cliprect_mode = IGNORE_CLIPRECTS; @@ -243,13 +242,9 @@ _intel_batchbuffer_flush(struct intel_batchbuffer *batch, const char *file, /* TODO: Just pass the relocation list and dma buffer up to the * kernel. */ - if (!was_locked) - LOCK_HARDWARE(intel); - + LOCK_HARDWARE(intel); do_flush_locked(batch, used, GL_FALSE); - - if (!was_locked) - UNLOCK_HARDWARE(intel); + UNLOCK_HARDWARE(intel); if (INTEL_DEBUG & DEBUG_SYNC) { fprintf(stderr, "waiting for idle\n"); diff --git a/src/mesa/drivers/dri/intel/intel_blit.c b/src/mesa/drivers/dri/intel/intel_blit.c index 75d315d82bd..2e95bd1013f 100644 --- a/src/mesa/drivers/dri/intel/intel_blit.c +++ b/src/mesa/drivers/dri/intel/intel_blit.c @@ -252,12 +252,7 @@ intelEmitCopyBlit(struct intel_context *intel, } while (pass < 2); if (pass >= 2) { - GLboolean locked = GL_FALSE; - if (!intel->locked) { - LOCK_HARDWARE(intel); - locked = GL_TRUE; - } - + LOCK_HARDWARE(intel); dri_bo_map(dst_buffer, GL_TRUE); dri_bo_map(src_buffer, GL_FALSE); _mesa_copy_rect((GLubyte *)dst_buffer->virtual + dst_offset, @@ -271,9 +266,7 @@ intelEmitCopyBlit(struct intel_context *intel, dri_bo_unmap(src_buffer); dri_bo_unmap(dst_buffer); - - if (locked) - UNLOCK_HARDWARE(intel); + UNLOCK_HARDWARE(intel); return GL_TRUE; } diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index 21d13b862b6..00dfb3dc795 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -994,7 +994,6 @@ intelContendedLock(struct intel_context *intel, GLuint flags) int me = intel->hHWContext; drmGetLock(intel->driFd, intel->hHWContext, flags); - intel->locked = 1; if (INTEL_DEBUG & DEBUG_LOCK) _mesa_printf("%s - got contended lock\n", __progname); @@ -1051,9 +1050,11 @@ void LOCK_HARDWARE( struct intel_context *intel ) struct intel_framebuffer *intel_fb = NULL; struct intel_renderbuffer *intel_rb = NULL; + intel->locked++; + if (intel->locked >= 2) + return; + _glthread_LOCK_MUTEX(lockMutex); - assert(!intel->locked); - intel->locked = 1; if (intel->driDrawable) { intel_fb = intel->driDrawable->driverPrivate; @@ -1101,7 +1102,11 @@ void UNLOCK_HARDWARE( struct intel_context *intel ) __DRIscreen *sPriv = intel->driScreen; intel->vtbl.note_unlock( intel ); - intel->locked = 0; + intel->locked--; + if (intel->locked > 0) + return; + + assert(intel->locked == 0); if (!sPriv->dri2.enabled) DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); diff --git a/src/mesa/drivers/dri/intel/intel_regions.c b/src/mesa/drivers/dri/intel/intel_regions.c index 4ce7f12e40d..97a0aa592f7 100644 --- a/src/mesa/drivers/dri/intel/intel_regions.c +++ b/src/mesa/drivers/dri/intel/intel_regions.c @@ -325,8 +325,6 @@ intel_region_data(struct intel_context *intel, const void *src, GLuint src_pitch, GLuint srcx, GLuint srcy, GLuint width, GLuint height) { - GLboolean locked = GL_FALSE; - _DBG("%s\n", __FUNCTION__); if (intel == NULL) @@ -340,21 +338,14 @@ intel_region_data(struct intel_context *intel, intel_region_cow(intel, dst); } - if (!intel->locked) { - LOCK_HARDWARE(intel); - locked = GL_TRUE; - } - + LOCK_HARDWARE(intel); _mesa_copy_rect(intel_region_map(intel, dst) + dst_offset, dst->cpp, dst->pitch, dstx, dsty, width, height, src, src_pitch, srcx, srcy); intel_region_unmap(intel, dst); - - if (locked) - UNLOCK_HARDWARE(intel); - + UNLOCK_HARDWARE(intel); } /* Copy rectangular sub-regions. Need better logic about when to @@ -459,10 +450,6 @@ void intel_region_cow(struct intel_context *intel, struct intel_region *region) { struct intel_buffer_object *pbo = region->pbo; - GLboolean was_locked = intel->locked; - - if (intel == NULL) - return; intel_region_release_pbo(intel, region); @@ -473,10 +460,7 @@ intel_region_cow(struct intel_context *intel, struct intel_region *region) /* Now blit from the texture buffer to the new buffer: */ - was_locked = intel->locked; - if (!was_locked) - LOCK_HARDWARE(intel); - + LOCK_HARDWARE(intel); assert(intelEmitCopyBlit(intel, region->cpp, region->pitch, pbo->buffer, 0, region->tiling, @@ -484,9 +468,7 @@ intel_region_cow(struct intel_context *intel, struct intel_region *region) 0, 0, 0, 0, region->pitch, region->height, GL_COPY)); - - if (!was_locked) - UNLOCK_HARDWARE(intel); + UNLOCK_HARDWARE(intel); } dri_bo *