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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/gallium/auxiliary/draw/draw_pt.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/gallium/auxiliary/draw/draw_pt.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_pt.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c
new file mode 100644
index 0000000000..669c11c993
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_pt.c
@@ -0,0 +1,209 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "draw/draw_context.h"
+#include "draw/draw_private.h"
+#include "draw/draw_pt.h"
+
+static unsigned trim( unsigned count, unsigned first, unsigned incr )
+{
+ if (count < first)
+ return 0;
+ return count - (count - first) % incr;
+}
+
+
+
+/* Overall we split things into:
+ * - frontend -- prepare fetch_elts, draw_elts - eg vcache
+ * - middle -- fetch, shade, cliptest, viewport
+ * - pipeline -- the prim pipeline: clipping, wide lines, etc
+ * - backend -- the vbuf_render provided by the driver.
+ */
+static boolean
+draw_pt_arrays(struct draw_context *draw,
+ unsigned prim,
+ unsigned start,
+ unsigned count)
+{
+ struct draw_pt_front_end *frontend = NULL;
+ struct draw_pt_middle_end *middle = NULL;
+ unsigned opt = 0;
+
+ /* Sanitize primitive length:
+ */
+ {
+ unsigned first, incr;
+ draw_pt_split_prim(prim, &first, &incr);
+ count = trim(count, first, incr);
+ if (count < first)
+ return TRUE;
+ }
+
+
+ if (!draw->render) {
+ opt |= PT_PIPELINE;
+ }
+
+ if (draw_need_pipeline(draw,
+ draw->rasterizer,
+ prim)) {
+ opt |= PT_PIPELINE;
+ }
+
+ if (!draw->bypass_clipping && !draw->pt.test_fse) {
+ opt |= PT_CLIPTEST;
+ }
+
+ if (!draw->rasterizer->bypass_vs) {
+ opt |= PT_SHADE;
+ }
+
+
+ if (opt == 0)
+ middle = draw->pt.middle.fetch_emit;
+ else if (opt == PT_SHADE && !draw->pt.no_fse)
+ middle = draw->pt.middle.fetch_shade_emit;
+ else
+ middle = draw->pt.middle.general;
+
+
+ /* Pick the right frontend
+ */
+ if (draw->pt.user.elts || (opt & PT_PIPELINE)) {
+ frontend = draw->pt.front.vcache;
+ } else {
+ frontend = draw->pt.front.varray;
+ }
+
+ frontend->prepare( frontend, prim, middle, opt );
+
+ frontend->run(frontend,
+ draw_pt_elt_func(draw),
+ draw_pt_elt_ptr(draw, start),
+ count);
+
+ frontend->finish( frontend );
+
+ return TRUE;
+}
+
+
+boolean draw_pt_init( struct draw_context *draw )
+{
+ draw->pt.test_fse = debug_get_bool_option("DRAW_FSE", FALSE);
+ draw->pt.no_fse = debug_get_bool_option("DRAW_NO_FSE", FALSE);
+
+ draw->pt.front.vcache = draw_pt_vcache( draw );
+ if (!draw->pt.front.vcache)
+ return FALSE;
+
+ draw->pt.front.varray = draw_pt_varray(draw);
+ if (!draw->pt.front.varray)
+ return FALSE;
+
+ draw->pt.middle.fetch_emit = draw_pt_fetch_emit( draw );
+ if (!draw->pt.middle.fetch_emit)
+ return FALSE;
+
+ draw->pt.middle.fetch_shade_emit = draw_pt_middle_fse( draw );
+ if (!draw->pt.middle.fetch_shade_emit)
+ return FALSE;
+
+ draw->pt.middle.general = draw_pt_fetch_pipeline_or_emit( draw );
+ if (!draw->pt.middle.general)
+ return FALSE;
+
+ return TRUE;
+}
+
+
+void draw_pt_destroy( struct draw_context *draw )
+{
+ if (draw->pt.middle.general) {
+ draw->pt.middle.general->destroy( draw->pt.middle.general );
+ draw->pt.middle.general = NULL;
+ }
+
+ if (draw->pt.middle.fetch_emit) {
+ draw->pt.middle.fetch_emit->destroy( draw->pt.middle.fetch_emit );
+ draw->pt.middle.fetch_emit = NULL;
+ }
+
+ if (draw->pt.middle.fetch_shade_emit) {
+ draw->pt.middle.fetch_shade_emit->destroy( draw->pt.middle.fetch_shade_emit );
+ draw->pt.middle.fetch_shade_emit = NULL;
+ }
+
+ if (draw->pt.front.vcache) {
+ draw->pt.front.vcache->destroy( draw->pt.front.vcache );
+ draw->pt.front.vcache = NULL;
+ }
+
+ if (draw->pt.front.varray) {
+ draw->pt.front.varray->destroy( draw->pt.front.varray );
+ draw->pt.front.varray = NULL;
+ }
+}
+
+
+
+
+/**
+ * Draw vertex arrays
+ * This is the main entrypoint into the drawing module.
+ * \param prim one of PIPE_PRIM_x
+ * \param start index of first vertex to draw
+ * \param count number of vertices to draw
+ */
+void
+draw_arrays(struct draw_context *draw, unsigned prim,
+ unsigned start, unsigned count)
+{
+ unsigned reduced_prim = draw_pt_reduced_prim(prim);
+ if (reduced_prim != draw->reduced_prim) {
+ draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );
+ draw->reduced_prim = reduced_prim;
+ }
+
+ /* drawing done here: */
+ draw_pt_arrays(draw, prim, start, count);
+}
+
+boolean draw_pt_get_edgeflag( struct draw_context *draw,
+ unsigned idx )
+{
+ if (draw->pt.user.edgeflag)
+ return (draw->pt.user.edgeflag[idx/32] & (1 << (idx%32))) != 0;
+ else
+ return 1;
+}