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authorKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
commit0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch)
tree732c93d74ed806942a13bf15575a61aa4f001253 /src/mesa/drivers/dri/nouveau/nouveau_fifo.c
parent80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff)
parente6887a5752774c18cf527477fdd3e57e4893ff3b (diff)
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master... It will be interesting to see how much work this takes to get running. Have resolved the conflicts semi-arbitarily, not compiled or tested. Conflicts: .gitignore Makefile configs/config.mgw configs/darwin configs/darwin-x86ppc configs/default configs/freebsd-dri configs/linux-dri configs/linux-dri-xcb configs/linux-fbdev configs/linux-static configs/linux-x86-64-static configs/linux-x86-static doxygen/Makefile include/GL/gl.h progs/demos/Makefile progs/demos/descrip.mms progs/demos/texenv.c progs/egl/.gitignore progs/egl/Makefile progs/glsl/.gitignore progs/glsl/Makefile progs/glsl/convolutions.c progs/samples/Makefile.mgw progs/tests/.gitignore progs/trivial/.gitignore progs/trivial/point-param.c progs/trivial/tri.c progs/xdemos/.gitignore progs/xdemos/glthreads.c src/egl/drivers/demo/Makefile src/egl/drivers/dri/Makefile src/egl/main/Makefile src/glu/Makefile src/glu/sgi/Makefile src/glu/sgi/Makefile.mgw src/glut/glx/Makefile.mgw src/glut/os2/WarpWin.cpp src/glut/os2/glut_cindex.cpp src/glut/os2/glut_gamemode.cpp src/glut/os2/glut_win.cpp src/glut/os2/glut_winmisc.cpp src/glut/os2/os2_glx.cpp src/glut/os2/os2_menu.cpp src/glut/os2/os2_winproc.cpp src/glw/Makefile src/glx/x11/dri_glx.c src/glx/x11/glxext.c src/mesa/Makefile src/mesa/Makefile.mgw src/mesa/descrip.mms src/mesa/drivers/beos/Makefile src/mesa/drivers/common/descrip.mms src/mesa/drivers/common/driverfuncs.c src/mesa/drivers/directfb/Makefile src/mesa/drivers/dri/Makefile.template src/mesa/drivers/dri/common/dri_bufmgr.c src/mesa/drivers/dri/common/dri_bufmgr.h src/mesa/drivers/dri/common/dri_util.c src/mesa/drivers/dri/common/extension_helper.h src/mesa/drivers/dri/common/mmio.h src/mesa/drivers/dri/common/utils.c src/mesa/drivers/dri/common/utils.h src/mesa/drivers/dri/glcore/Makefile src/mesa/drivers/dri/i810/i810screen.c src/mesa/drivers/dri/i915/intel_ioctl.c src/mesa/drivers/dri/i915/intel_ioctl.h src/mesa/drivers/dri/i915/intel_screen.c src/mesa/drivers/dri/i915/server/i830_common.h src/mesa/drivers/dri/i915/server/i830_dri.h src/mesa/drivers/dri/i965/intel_screen.c src/mesa/drivers/dri/i965/server/i830_common.h src/mesa/drivers/dri/i965/server/i830_dri.h src/mesa/drivers/dri/mach64/mach64_screen.c src/mesa/drivers/dri/nouveau/nouveau_context.h src/mesa/drivers/dri/nouveau/nouveau_fifo.c src/mesa/drivers/dri/nouveau/nouveau_fifo.h src/mesa/drivers/dri/nouveau/nouveau_screen.c src/mesa/drivers/dri/nouveau/nouveau_screen.h src/mesa/drivers/dri/r128/r128_tex.h src/mesa/drivers/dri/savage/savageioctl.h src/mesa/drivers/fbdev/Makefile src/mesa/drivers/osmesa/Makefile src/mesa/drivers/osmesa/descrip.mms src/mesa/drivers/x11/Makefile src/mesa/drivers/x11/descrip.mms src/mesa/drivers/x11/xm_dd.c src/mesa/glapi/glapi.c src/mesa/glapi/glthread.c src/mesa/main/api_validate.c src/mesa/main/attrib.c src/mesa/main/bufferobj.c src/mesa/main/bufferobj.h src/mesa/main/buffers.c src/mesa/main/config.h src/mesa/main/context.c src/mesa/main/descrip.mms src/mesa/main/drawpix.c src/mesa/main/enums.c src/mesa/main/fbobject.c src/mesa/main/glheader.h src/mesa/main/imports.c src/mesa/main/mipmap.c src/mesa/main/mm.c src/mesa/main/mm.h src/mesa/main/mtypes.h src/mesa/main/points.c src/mesa/main/sources src/mesa/main/state.c src/mesa/main/texcompress_fxt1.c src/mesa/main/texenvprogram.c src/mesa/main/texobj.c src/mesa/main/texstate.c src/mesa/main/texstore.c src/mesa/math/descrip.mms src/mesa/shader/arbprogram.c src/mesa/shader/descrip.mms src/mesa/shader/prog_execute.c src/mesa/shader/prog_statevars.c src/mesa/shader/prog_statevars.h src/mesa/shader/prog_uniform.c src/mesa/shader/program.c src/mesa/shader/program.h src/mesa/shader/shader_api.c src/mesa/shader/slang/descrip.mms src/mesa/shader/slang/library/slang_vertex_builtin_gc.h src/mesa/sources src/mesa/swrast/descrip.mms src/mesa/swrast/s_drawpix.c src/mesa/swrast/s_fragprog.c src/mesa/swrast/s_readpix.c src/mesa/swrast/s_span.c src/mesa/swrast_setup/descrip.mms src/mesa/tnl/descrip.mms src/mesa/tnl/t_context.h src/mesa/tnl/t_vp_build.c src/mesa/tnl/tnl.h src/mesa/vbo/descrip.mms src/mesa/vbo/vbo_context.c src/mesa/vbo/vbo_exec_array.c src/mesa/x86-64/xform4.S src/mesa/x86/rtasm/x86sse.c src/mesa/x86/rtasm/x86sse.h windows/VC6/progs/glut/glut.dsp windows/VC7/mesa/gdi/gdi.vcproj windows/VC7/mesa/glu/glu.vcproj windows/VC7/mesa/mesa.sln windows/VC7/mesa/mesa/mesa.vcproj windows/VC7/mesa/osmesa/osmesa.vcproj windows/VC7/progs/glut/glut.vcproj windows/VC8/mesa/gdi/gdi.vcproj windows/VC8/mesa/glu/glu.vcproj windows/VC8/mesa/mesa.sln windows/VC8/mesa/mesa/mesa.vcproj windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_fifo.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_fifo.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
new file mode 100644
index 0000000000..5eb53aa46c
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
@@ -0,0 +1,152 @@
+/**************************************************************************
+
+Copyright 2006 Stephane Marchesin
+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
+on 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
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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 "vblank.h"
+#include <errno.h>
+#include "mtypes.h"
+#include "macros.h"
+#include "dd.h"
+#include "swrast/swrast.h"
+#include "nouveau_context.h"
+#include "nouveau_msg.h"
+#include "nouveau_fifo.h"
+#include "nouveau_lock.h"
+#include "nouveau_object.h"
+#include "nouveau_sync.h"
+
+#ifdef NOUVEAU_RING_DEBUG
+int nouveau_fifo_remaining=0;
+#endif
+
+
+#define RING_SKIPS 8
+
+void WAIT_RING(nouveauContextPtr nmesa,uint32_t size)
+{
+#ifdef NOUVEAU_RING_DEBUG
+ return;
+#endif
+ uint32_t fifo_get;
+ while(nmesa->fifo.free < size+1) {
+ fifo_get = NV_FIFO_READ_GET();
+
+ if(nmesa->fifo.put >= fifo_get) {
+ nmesa->fifo.free = nmesa->fifo.max - nmesa->fifo.current;
+ if(nmesa->fifo.free < size+1) {
+ OUT_RING(NV03_FIFO_CMD_JUMP | nmesa->fifo.put_base);
+ if(fifo_get <= RING_SKIPS) {
+ if(nmesa->fifo.put <= RING_SKIPS) /* corner case - will be idle */
+ NV_FIFO_WRITE_PUT(RING_SKIPS + 1);
+ do { fifo_get = NV_FIFO_READ_GET(); }
+ while(fifo_get <= RING_SKIPS);
+ }
+ NV_FIFO_WRITE_PUT(RING_SKIPS);
+ nmesa->fifo.current = nmesa->fifo.put = RING_SKIPS;
+ nmesa->fifo.free = fifo_get - (RING_SKIPS + 1);
+ }
+ } else
+ nmesa->fifo.free = fifo_get - nmesa->fifo.current - 1;
+ }
+}
+
+/*
+ * Wait for the channel to be idle
+ */
+void nouveauWaitForIdleLocked(nouveauContextPtr nmesa)
+{
+ /* Wait for FIFO idle */
+ FIRE_RING();
+ while(RING_AHEAD()>0);
+
+ /* Wait on notifier to indicate all commands in the channel have
+ * been completed.
+ */
+ nouveau_notifier_wait_nop(nmesa->glCtx, nmesa->syncNotifier, NvSub3D);
+}
+
+void nouveauWaitForIdle(nouveauContextPtr nmesa)
+{
+ LOCK_HARDWARE(nmesa);
+ nouveauWaitForIdleLocked(nmesa);
+ UNLOCK_HARDWARE(nmesa);
+}
+
+// here we call the fifo initialization ioctl and fill in stuff accordingly
+GLboolean nouveauFifoInit(nouveauContextPtr nmesa)
+{
+ struct drm_nouveau_fifo_alloc fifo_init;
+ int i, ret;
+
+#ifdef NOUVEAU_RING_DEBUG
+ return GL_TRUE;
+#endif
+
+ fifo_init.fb_ctxdma_handle = NvDmaFB;
+ fifo_init.tt_ctxdma_handle = NvDmaTT;
+ ret=drmCommandWriteRead(nmesa->driFd, DRM_NOUVEAU_FIFO_ALLOC, &fifo_init, sizeof(fifo_init));
+ if (ret) {
+ FATAL("Fifo initialization ioctl failed (returned %d)\n",ret);
+ return GL_FALSE;
+ }
+
+ ret = drmMap(nmesa->driFd, fifo_init.cmdbuf, fifo_init.cmdbuf_size, &nmesa->fifo.buffer);
+ if (ret) {
+ FATAL("Unable to map the fifo (returned %d)\n",ret);
+ return GL_FALSE;
+ }
+
+ ret = drmMap(nmesa->driFd, fifo_init.ctrl, fifo_init.ctrl_size, &nmesa->fifo.mmio);
+ if (ret) {
+ FATAL("Unable to map the control regs (returned %d)\n",ret);
+ return GL_FALSE;
+ }
+
+ ret = drmMap(nmesa->driFd, fifo_init.notifier,
+ fifo_init.notifier_size,
+ &nmesa->notifier_block);
+ if (ret) {
+ FATAL("Unable to map the notifier block (returned %d)\n",ret);
+ return GL_FALSE;
+ }
+
+ /* Setup our initial FIFO tracking params */
+ nmesa->fifo.channel = fifo_init.channel;
+ nmesa->fifo.put_base = fifo_init.put_base;
+ nmesa->fifo.current = 0;
+ nmesa->fifo.put = 0;
+ nmesa->fifo.max = (fifo_init.cmdbuf_size >> 2) - 1;
+ nmesa->fifo.free = nmesa->fifo.max - nmesa->fifo.current;
+
+ for (i=0; i<RING_SKIPS; i++)
+ OUT_RING(0);
+ nmesa->fifo.free -= RING_SKIPS;
+
+ MESSAGE("Fifo init ok. Using context %d\n", fifo_init.channel);
+ return GL_TRUE;
+}
+
+