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, 374 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
new file mode 100644
index 0000000000..6594e59e94
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -0,0 +1,374 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/**
+ * State validation for vertex/fragment shaders.
+ * Note that we have to delay most vertex/fragment shader translation
+ * until rendering time since the linkage between the vertex outputs and
+ * fragment inputs can vary depending on the pairing of shaders.
+ *
+ * Authors:
+ *   Brian Paul
+ */
+
+
+
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "shader/program.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_shader_tokens.h"
+
+#include "util/u_simple_shaders.h"
+
+#include "cso_cache/cso_context.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_program.h"
+#include "st_atom_shader.h"
+#include "st_mesa_to_tgsi.h"
+
+
+/**
+ * This represents a vertex program, especially translated to match
+ * the inputs of a particular fragment shader.
+ */
+struct translated_vertex_program
+{
+   struct st_vertex_program *master;
+
+   /** The fragment shader "signature" this vertex shader is meant for: */
+   GLbitfield frag_inputs;
+
+   /** Compared against master vertex program's serialNo: */
+   GLuint serialNo;
+
+   /** Maps VERT_RESULT_x to slot */
+   GLuint output_to_slot[VERT_RESULT_MAX];
+   ubyte output_to_semantic_name[VERT_RESULT_MAX];
+   ubyte output_to_semantic_index[VERT_RESULT_MAX];
+
+   /** Pointer to the translated vertex program */
+   struct st_vertex_program *vp;
+
+   struct translated_vertex_program *next;  /**< next in linked list */
+};
+
+
+
+/**
+ * Given a vertex program output attribute, return the corresponding
+ * fragment program input attribute.
+ * \return -1 for vertex outputs that have no corresponding fragment input
+ */
+static GLint
+vp_out_to_fp_in(GLuint vertResult)
+{
+   if (vertResult >= VERT_RESULT_TEX0 &&
+       vertResult < VERT_RESULT_TEX0 + MAX_TEXTURE_COORD_UNITS)
+      return FRAG_ATTRIB_TEX0 + (vertResult - VERT_RESULT_TEX0);
+
+   if (vertResult >= VERT_RESULT_VAR0 &&
+       vertResult < VERT_RESULT_VAR0 + MAX_VARYING)
+      return FRAG_ATTRIB_VAR0 + (vertResult - VERT_RESULT_VAR0);
+
+   switch (vertResult) {
+   case VERT_RESULT_HPOS:
+      return FRAG_ATTRIB_WPOS;
+   case VERT_RESULT_COL0:
+      return FRAG_ATTRIB_COL0;
+   case VERT_RESULT_COL1:
+      return FRAG_ATTRIB_COL1;
+   case VERT_RESULT_FOGC:
+      return FRAG_ATTRIB_FOGC;
+   default:
+      /* Back-face colors, edge flags, etc */
+      return -1;
+   }
+}
+
+
+/**
+ * Find a translated vertex program that corresponds to stvp and
+ * has outputs matched to stfp's inputs.
+ * This performs vertex and fragment translation (to TGSI) when needed.
+ */
+static struct translated_vertex_program *
+find_translated_vp(struct st_context *st,
+                   struct st_vertex_program *stvp,
+                   struct st_fragment_program *stfp)
+{
+   static const GLuint UNUSED = ~0;
+   struct translated_vertex_program *xvp;
+   const GLbitfield fragInputsRead = stfp->Base.Base.InputsRead;
+
+   /*
+    * Translate fragment program if needed.
+    */
+   if (!stfp->state.tokens) {
+      GLuint inAttr, numIn = 0;
+
+      for (inAttr = 0; inAttr < FRAG_ATTRIB_MAX; inAttr++) {
+         if (fragInputsRead & (1 << inAttr)) {
+            stfp->input_to_slot[inAttr] = numIn;
+            numIn++;
+         }
+         else {
+            stfp->input_to_slot[inAttr] = UNUSED;
+         }
+      }
+
+      stfp->num_input_slots = numIn;
+
+      assert(stfp->Base.Base.NumInstructions > 1);
+
+      st_translate_fragment_program(st, stfp, stfp->input_to_slot);
+   }
+
+
+   /* See if we've got a translated vertex program whose outputs match
+    * the fragment program's inputs.
+    * XXX This could be a hash lookup, using InputsRead as the key.
+    */
+   for (xvp = stfp->vertex_programs; xvp; xvp = xvp->next) {
+      if (xvp->master == stvp && xvp->frag_inputs == fragInputsRead) {
+         break;
+      }
+   }
+
+   /* No?  Allocate translated vp object now */
+   if (!xvp) {
+      xvp = CALLOC_STRUCT(translated_vertex_program);
+      xvp->frag_inputs = fragInputsRead;
+      xvp->master = stvp;
+
+      xvp->next = stfp->vertex_programs;
+      stfp->vertex_programs = xvp;
+   }
+
+   /* See if we need to translate vertex program to TGSI form */
+   if (xvp->serialNo != stvp->serialNo) {
+      GLuint outAttr, dummySlot;
+      const GLbitfield outputsWritten = stvp->Base.Base.OutputsWritten;
+      GLuint numVpOuts = 0;
+      GLboolean emitPntSize = GL_FALSE, emitBFC0 = GL_FALSE, emitBFC1 = GL_FALSE;
+      GLint maxGeneric;
+
+      /* Compute mapping of vertex program outputs to slots, which depends
+       * on the fragment program's input->slot mapping.
+       */
+      for (outAttr = 0; outAttr < VERT_RESULT_MAX; outAttr++) {
+         /* set defaults: */
+         xvp->output_to_slot[outAttr] = UNUSED;
+         xvp->output_to_semantic_name[outAttr] = TGSI_SEMANTIC_COUNT;
+         xvp->output_to_semantic_index[outAttr] = 99;
+
+         if (outAttr == VERT_RESULT_HPOS) {
+            /* always put xformed position into slot zero */
+            xvp->output_to_slot[VERT_RESULT_HPOS] = 0;
+            xvp->output_to_semantic_name[outAttr] = TGSI_SEMANTIC_POSITION;
+            xvp->output_to_semantic_index[outAttr] = 0;
+            numVpOuts++;
+         }
+         else if (outputsWritten & (1 << outAttr)) {
+            /* see if the frag prog wants this vert output */
+            GLint fpInAttrib = vp_out_to_fp_in(outAttr);
+            if (fpInAttrib >= 0) {
+               GLuint fpInSlot = stfp->input_to_slot[fpInAttrib];
+               if (fpInSlot != ~0) {
+                  /* match this vp output to the fp input */
+                  GLuint vpOutSlot = stfp->input_map[fpInSlot];
+                  xvp->output_to_slot[outAttr] = vpOutSlot;
+                  xvp->output_to_semantic_name[outAttr] = stfp->input_semantic_name[fpInSlot];
+                  xvp->output_to_semantic_index[outAttr] = stfp->input_semantic_index[fpInSlot];
+                  numVpOuts++;
+               }
+            }
+            else if (outAttr == VERT_RESULT_PSIZ)
+               emitPntSize = GL_TRUE;
+            else if (outAttr == VERT_RESULT_BFC0)
+               emitBFC0 = GL_TRUE;
+            else if (outAttr == VERT_RESULT_BFC1)
+               emitBFC1 = GL_TRUE;
+         }
+#if 0 /*debug*/
+         printf("assign vp output_to_slot[%d] = %d\n", outAttr, 
+                xvp->output_to_slot[outAttr]);
+#endif
+      }
+
+      /* must do these last */
+      if (emitPntSize) {
+         xvp->output_to_slot[VERT_RESULT_PSIZ] = numVpOuts++;
+         xvp->output_to_semantic_name[VERT_RESULT_PSIZ] = TGSI_SEMANTIC_PSIZE;
+         xvp->output_to_semantic_index[VERT_RESULT_PSIZ] = 0;
+      }
+      if (emitBFC0) {
+         xvp->output_to_slot[VERT_RESULT_BFC0] = numVpOuts++;
+         xvp->output_to_semantic_name[VERT_RESULT_BFC0] = TGSI_SEMANTIC_COLOR;
+         xvp->output_to_semantic_index[VERT_RESULT_BFC0] = 0;
+      }
+      if (emitBFC1) {
+         xvp->output_to_slot[VERT_RESULT_BFC1] = numVpOuts++;
+         xvp->output_to_semantic_name[VERT_RESULT_BFC0] = TGSI_SEMANTIC_COLOR;
+         xvp->output_to_semantic_index[VERT_RESULT_BFC0] = 1;
+      }
+
+      /* Unneeded vertex program outputs will go to this slot.
+       * We could use this info to do dead code elimination in the
+       * vertex program.
+       */
+      dummySlot = numVpOuts;
+
+      /* find max GENERIC slot index */
+      maxGeneric = -1;
+      for (outAttr = 0; outAttr < VERT_RESULT_MAX; outAttr++) {
+         if (xvp->output_to_semantic_name[outAttr] == TGSI_SEMANTIC_GENERIC) {
+            maxGeneric = MAX2(maxGeneric,
+                              xvp->output_to_semantic_index[outAttr]);
+         }
+      }
+
+      /* Map vert program outputs that aren't used to the dummy slot
+       * (and an unused generic attribute slot).
+       */
+      for (outAttr = 0; outAttr < VERT_RESULT_MAX; outAttr++) {
+         if (outputsWritten & (1 << outAttr)) {
+            if (xvp->output_to_slot[outAttr] == UNUSED) {
+               xvp->output_to_slot[outAttr] = dummySlot;
+               xvp->output_to_semantic_name[outAttr] = TGSI_SEMANTIC_GENERIC;
+               xvp->output_to_semantic_index[outAttr] = maxGeneric + 1;
+            }
+
+         assert(xvp->output_to_semantic_name[outAttr] != TGSI_SEMANTIC_COUNT);
+         assert(xvp->output_to_semantic_index[outAttr] != 99);
+         }
+
+
+#if 0 /*debug*/
+         printf("vp output_to_slot[%d] = %d\n", outAttr, 
+                xvp->output_to_slot[outAttr]);
+#endif
+
+      }
+
+      assert(stvp->Base.Base.NumInstructions > 1);
+
+      st_translate_vertex_program(st, stvp, xvp->output_to_slot,
+                                  xvp->output_to_semantic_name,
+                                  xvp->output_to_semantic_index);
+
+      xvp->vp = stvp;
+
+      /* translated VP is up to date now */
+      xvp->serialNo = stvp->serialNo;
+   }
+
+   return xvp;
+}
+
+
+void
+st_free_translated_vertex_programs(struct st_context *st,
+                                   struct translated_vertex_program *xvp)
+{
+   struct translated_vertex_program *next;
+
+   while (xvp) {
+      next = xvp->next;
+      free(xvp);
+      xvp = next;
+   }
+}
+
+
+static void *
+get_passthrough_fs(struct st_context *st)
+{
+   struct pipe_shader_state shader;
+
+   if (!st->passthrough_fs) {
+      st->passthrough_fs =
+         util_make_fragment_passthrough_shader(st->pipe, &shader);
+#if 0      /* We actually need to keep the tokens around at this time */
+      free((void *) shader.tokens);
+#endif
+   }
+
+   return st->passthrough_fs;
+}
+
+
+static void
+update_linkage( struct st_context *st )
+{
+   struct st_vertex_program *stvp;
+   struct st_fragment_program *stfp;
+   struct translated_vertex_program *xvp;
+
+   /* find active shader and params -- Should be covered by
+    * ST_NEW_VERTEX_PROGRAM
+    */
+   assert(st->ctx->VertexProgram._Current);
+   stvp = st_vertex_program(st->ctx->VertexProgram._Current);
+   assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB);
+
+   assert(st->ctx->FragmentProgram._Current);
+   stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
+   assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB);
+
+   xvp = find_translated_vp(st, stvp, stfp);
+
+   st_reference_vertprog(st, &st->vp, stvp);
+   st_reference_fragprog(st, &st->fp, stfp);
+
+   cso_set_vertex_shader_handle(st->cso_context, stvp->driver_shader);
+
+   if (st->missing_textures) {
+      /* use a pass-through frag shader that uses no textures */
+      void *fs = get_passthrough_fs(st);
+      cso_set_fragment_shader_handle(st->cso_context, fs);
+   }
+   else {
+      cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader);
+   }
+
+   st->vertex_result_to_slot = xvp->output_to_slot;
+}
+
+
+const struct st_tracked_state st_update_shader = {
+   "st_update_shader",					/* name */
+   {							/* dirty */
+      0,						/* mesa */
+      ST_NEW_VERTEX_PROGRAM | ST_NEW_FRAGMENT_PROGRAM	/* st */
+   },
+   update_linkage					/* update */
+};