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

1 files changed, 210 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c
new file mode 100644
index 0000000000..6b6a4c3ff3
--- /dev/null
+++ b/src/gallium/drivers/softpipe/sp_state_derived.c
@@ -0,0 +1,210 @@
+/**************************************************************************
+ * 
+ * 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 "util/u_math.h"
+#include "util/u_memory.h"
+#include "pipe/p_shader_tokens.h"
+#include "draw/draw_context.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_private.h"
+#include "sp_context.h"
+#include "sp_state.h"
+
+
+/**
+ * Mark the current vertex layout as "invalid".
+ * We'll validate the vertex layout later, when we start to actually
+ * render a point or line or tri.
+ */
+static void
+invalidate_vertex_layout(struct softpipe_context *softpipe)
+{
+   softpipe->vertex_info.num_attribs =  0;
+}
+
+
+/**
+ * The vertex info describes how to convert the post-transformed vertices
+ * (simple float[][4]) used by the 'draw' module into vertices for
+ * rasterization.
+ *
+ * This function validates the vertex layout and returns a pointer to a
+ * vertex_info object.
+ */
+struct vertex_info *
+softpipe_get_vertex_info(struct softpipe_context *softpipe)
+{
+   struct vertex_info *vinfo = &softpipe->vertex_info;
+
+   if (vinfo->num_attribs == 0) {
+      /* compute vertex layout now */
+      const struct sp_fragment_shader *spfs = softpipe->fs;
+      const enum interp_mode colorInterp
+         = softpipe->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
+      uint i;
+
+      if (softpipe->vbuf) {
+         /* if using the post-transform vertex buffer, tell draw_vbuf to
+          * simply emit the whole post-xform vertex as-is:
+          */
+         struct vertex_info *vinfo_vbuf = &softpipe->vertex_info_vbuf;
+         const uint num = draw_num_vs_outputs(softpipe->draw);
+         uint i;
+
+         /* No longer any need to try and emit draw vertex_header info.
+          */
+         vinfo_vbuf->num_attribs = 0;
+         for (i = 0; i < num; i++) {
+            draw_emit_vertex_attr(vinfo_vbuf, EMIT_4F, INTERP_PERSPECTIVE, i);
+         }
+         draw_compute_vertex_size(vinfo_vbuf);
+      }
+
+      /*
+       * Loop over fragment shader inputs, searching for the matching output
+       * from the vertex shader.
+       */
+      vinfo->num_attribs = 0;
+      for (i = 0; i < spfs->info.num_inputs; i++) {
+         int src;
+         switch (spfs->info.input_semantic_name[i]) {
+         case TGSI_SEMANTIC_POSITION:
+            src = draw_find_vs_output(softpipe->draw,
+                                      TGSI_SEMANTIC_POSITION, 0);
+            draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_POS, src);
+            break;
+
+         case TGSI_SEMANTIC_COLOR:
+            src = draw_find_vs_output(softpipe->draw, TGSI_SEMANTIC_COLOR, 
+                                 spfs->info.input_semantic_index[i]);
+            draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src);
+            break;
+
+         case TGSI_SEMANTIC_FOG:
+            src = draw_find_vs_output(softpipe->draw, TGSI_SEMANTIC_FOG, 0);
+            draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
+            break;
+
+         case TGSI_SEMANTIC_GENERIC:
+            /* this includes texcoords and varying vars */
+            src = draw_find_vs_output(softpipe->draw, TGSI_SEMANTIC_GENERIC,
+                                      spfs->info.input_semantic_index[i]);
+            draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
+            break;
+
+         default:
+            assert(0);
+         }
+      }
+
+      softpipe->psize_slot = draw_find_vs_output(softpipe->draw,
+                                                 TGSI_SEMANTIC_PSIZE, 0);
+      if (softpipe->psize_slot > 0) {
+         draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_CONSTANT,
+                               softpipe->psize_slot);
+      }
+
+      draw_compute_vertex_size(vinfo);
+   }
+
+   return vinfo;
+}
+
+
+/**
+ * Called from vbuf module.
+ *
+ * Note that there's actually two different vertex layouts in softpipe.
+ *
+ * The normal one is computed in softpipe_get_vertex_info() above and is
+ * used by the point/line/tri "setup" code.
+ *
+ * The other one (this one) is only used by the vbuf module (which is
+ * not normally used by default but used in testing).  For the vbuf module,
+ * we basically want to pass-through the draw module's vertex layout as-is.
+ * When the softpipe vbuf code begins drawing, the normal vertex layout
+ * will come into play again.
+ */
+struct vertex_info *
+softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe)
+{
+   (void) softpipe_get_vertex_info(softpipe);
+   return &softpipe->vertex_info_vbuf;
+}
+
+
+/**
+ * Recompute cliprect from scissor bounds, scissor enable and surface size.
+ */
+static void
+compute_cliprect(struct softpipe_context *sp)
+{
+   uint surfWidth = sp->framebuffer.width;
+   uint surfHeight = sp->framebuffer.height;
+
+   if (sp->rasterizer->scissor) {
+      /* clip to scissor rect */
+      sp->cliprect.minx = MAX2(sp->scissor.minx, 0);
+      sp->cliprect.miny = MAX2(sp->scissor.miny, 0);
+      sp->cliprect.maxx = MIN2(sp->scissor.maxx, surfWidth);
+      sp->cliprect.maxy = MIN2(sp->scissor.maxy, surfHeight);
+   }
+   else {
+      /* clip to surface bounds */
+      sp->cliprect.minx = 0;
+      sp->cliprect.miny = 0;
+      sp->cliprect.maxx = surfWidth;
+      sp->cliprect.maxy = surfHeight;
+   }
+}
+
+
+/* Hopefully this will remain quite simple, otherwise need to pull in
+ * something like the state tracker mechanism.
+ */
+void softpipe_update_derived( struct softpipe_context *softpipe )
+{
+   if (softpipe->dirty & (SP_NEW_RASTERIZER |
+                          SP_NEW_FS |
+                          SP_NEW_VS))
+      invalidate_vertex_layout( softpipe );
+
+   if (softpipe->dirty & (SP_NEW_SCISSOR |
+                          SP_NEW_DEPTH_STENCIL_ALPHA |
+                          SP_NEW_FRAMEBUFFER))
+      compute_cliprect(softpipe);
+
+   if (softpipe->dirty & (SP_NEW_BLEND |
+                          SP_NEW_DEPTH_STENCIL_ALPHA |
+                          SP_NEW_FRAMEBUFFER |
+                          SP_NEW_RASTERIZER |
+                          SP_NEW_FS | 
+			  SP_NEW_QUERY))
+      sp_build_quad_pipeline(softpipe);
+
+   softpipe->dirty = 0;
+}