Merge branch 'master' of git+ssh://keithw@git.freedesktop.org/git/mesa/mesa into vbo-0.2

Conflicts:

	src/mesa/array_cache/sources
	src/mesa/drivers/dri/i965/brw_context.c
	src/mesa/drivers/dri/i965/brw_draw.c
	src/mesa/drivers/dri/i965/brw_fallback.c
	src/mesa/drivers/dri/i965/brw_vs_emit.c
	src/mesa/drivers/dri/i965/brw_vs_tnl.c
	src/mesa/drivers/dri/mach64/mach64_context.c
	src/mesa/main/extensions.c
	src/mesa/main/getstring.c
	src/mesa/tnl/sources
	src/mesa/tnl/t_save_api.c
	src/mesa/tnl/t_save_playback.c
	src/mesa/tnl/t_vtx_api.c
	src/mesa/tnl/t_vtx_exec.c
	src/mesa/vbo/vbo_attrib.h
	src/mesa/vbo/vbo_exec_api.c
	src/mesa/vbo/vbo_save_api.c
	src/mesa/vbo/vbo_save_draw.c

7 files changed, 119 insertions, 22 deletions

diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c
index ee971a36ec..356e43c819 100644
--- a/src/mesa/swrast/s_arbshader.c
+++ b/src/mesa/swrast/s_arbshader.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.6
+ * Version:  6.5.3
  *
  * Copyright (C) 2006  Brian Paul   All Rights Reserved.
  *
@@ -103,18 +103,20 @@ _swrast_exec_arbshader(GLcontext *ctx, SWspan *span)
             span->writeAll = GL_FALSE;
          }
          else {
+            GLboolean zWritten = GL_FALSE; /* temp hack (bug 9345) */
             (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGCOLOR,
                                        vec, 0, 4 * sizeof(GLfloat), GL_FALSE);
             COPY_4V(span->array->color.sz4.rgba[i], vec);
-            
-            (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGDEPTH, vec, 0,
-                                       sizeof (GLfloat), GL_FALSE);
-            if (vec[0] <= 0.0f)
-               span->array->z[i] = 0;
-            else if (vec[0] >= 1.0f)
-               span->array->z[i] = ctx->DrawBuffer->_DepthMax;
-            else
-               span->array->z[i] = IROUND(vec[0] * ctx->DrawBuffer->_DepthMaxF);
+            if (zWritten) {
+               (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGDEPTH,
+                                          vec, 0, sizeof (GLfloat), GL_FALSE);
+               if (vec[0] <= 0.0f)
+                  span->array->z[i] = 0;
+               else if (vec[0] >= 1.0f)
+                  span->array->z[i] = ctx->DrawBuffer->_DepthMax;
+               else
+                  span->array->z[i] = IROUND(vec[0] * ctx->DrawBuffer->_DepthMaxF);
+            }
          }
       }
    }
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 62cf6f2f5a..d4b8080ddc 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.1
+ * Version:  6.5.3
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -201,7 +201,10 @@ _swrast_update_fog_state( GLcontext *ctx )
 
    /* determine if fog is needed, and if so, which fog mode */
    swrast->_FogEnabled = GL_FALSE;
-   if (ctx->FragmentProgram._Enabled) {
+   if (ctx->ShaderObjects._FragmentShaderPresent) {
+      swrast->_FogEnabled = GL_FALSE;
+   }
+   else if (ctx->FragmentProgram._Enabled) {
       if (ctx->FragmentProgram._Current->Base.Target==GL_FRAGMENT_PROGRAM_ARB) {
          const struct gl_fragment_program *fp
             = ctx->FragmentProgram._Current;
@@ -227,7 +230,12 @@ _swrast_update_fragment_program(GLcontext *ctx, GLbitfield newState)
 {
    if (ctx->FragmentProgram._Enabled) {
       const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
+#if 0
+      /* XXX Need a way to trigger the initial loading of parameters
+       * even when there's no recent state changes.
+       */
       if (fp->Base.Parameters->StateFlags & newState)
+#endif
          _mesa_load_state_parameters(ctx, fp->Base.Parameters);
    }
 }
diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h
index f5b2d95653..8b3918511d 100644
--- a/src/mesa/swrast/s_linetemp.h
+++ b/src/mesa/swrast/s_linetemp.h
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  6.5.3
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   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"),
@@ -80,14 +80,15 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
    GLint numPixels;
    GLint xstep, ystep;
 #if defined(DEPTH_TYPE)
-   const GLint depthBits = ctx->Visual.depthBits;
+   const GLint depthBits = ctx->DrawBuffer->Visual.depthBits;
    const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0;
    struct gl_renderbuffer *zrb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
 #define FixedToDepth(F)  ((F) >> fixedToDepthShift)
    GLint zPtrXstep, zPtrYstep;
    DEPTH_TYPE *zPtr;
 #elif defined(INTERP_Z)
-   const GLint depthBits = ctx->Visual.depthBits;
+   const GLint depthBits = ctx->DrawBuffer->Visual.depthBits;
+/*ctx->Visual.depthBits;*/
 #endif
 #ifdef PIXEL_ADDRESS
    PIXEL_TYPE *pixelPtr;
@@ -268,7 +269,7 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
       }
       else {
          /* don't use fixed point */
-         span.z = (GLint) vert0->win[2];
+         span.z = (GLuint) vert0->win[2];
          span.zStep = (GLint) ((vert1->win[2] - vert0->win[2]) / numPixels);
       }
    }
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c
index 7a6785b1d2..028ddc0090 100644
--- a/src/mesa/swrast/s_nvfragprog.c
+++ b/src/mesa/swrast/s_nvfragprog.c
@@ -57,6 +57,9 @@ struct fp_machine
    GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4];
    GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4];
    GLuint CondCodes[4];  /**< COND_* value for x/y/z/w */
+
+   GLuint CallStack[MAX_PROGRAM_CALL_DEPTH]; /**< For CAL/RET instructions */
+   GLuint StackDepth; /**< Index/ptr to top of CallStack[] */
 };
 
 
@@ -697,6 +700,37 @@ execute_program( GLcontext *ctx,
                }
             }
             break;
+         case OPCODE_BRA: /* conditional branch */
+            {
+               /* NOTE: The return is conditional! */
+               const GLuint swizzle = inst->DstReg.CondSwizzle;
+               const GLuint condMask = inst->DstReg.CondMask;
+               if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+                  /* take branch */
+                  pc = inst->BranchTarget;
+               }
+            }
+            break;
+         case OPCODE_CAL: /* Call subroutine */
+            {
+               /* NOTE: The call is conditional! */
+               const GLuint swizzle = inst->DstReg.CondSwizzle;
+               const GLuint condMask = inst->DstReg.CondMask;
+               if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+                  if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) {
+                     return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
+                  }
+                  machine->CallStack[machine->StackDepth++] = pc + 1;
+                  pc = inst->BranchTarget;
+               }
+            }
+            break;
          case OPCODE_CMP:
             {
                GLfloat a[4], b[4], c[4], result[4];
@@ -1093,6 +1127,22 @@ execute_program( GLcontext *ctx,
                store_vector4( inst, machine, result );
             }
             break;
+         case OPCODE_RET: /* return from subroutine */
+            {
+               /* NOTE: The return is conditional! */
+               const GLuint swizzle = inst->DstReg.CondSwizzle;
+               const GLuint condMask = inst->DstReg.CondMask;
+               if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+                   test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+                  if (machine->StackDepth == 0) {
+                     return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
+                  }
+                  pc = machine->CallStack[--machine->StackDepth];
+               }
+            }
+            break;
          case OPCODE_RFL: /* reflection vector */
             {
                GLfloat axis[4], dir[4], result[4], tmpX, tmpW;
@@ -1539,6 +1589,9 @@ init_machine( GLcontext *ctx, struct fp_machine *machine,
    machine->CondCodes[1] = COND_EQ;
    machine->CondCodes[2] = COND_EQ;
    machine->CondCodes[3] = COND_EQ;
+
+   /* init call stack */
+   machine->StackDepth = 0;
 }
 
 
diff --git a/src/mesa/swrast/s_pointtemp.h b/src/mesa/swrast/s_pointtemp.h
index 6316833a68..083f1ebe83 100644
--- a/src/mesa/swrast/s_pointtemp.h
+++ b/src/mesa/swrast/s_pointtemp.h
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  6.5.3
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   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"),
@@ -194,7 +194,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
    {{
       GLint x, y;
       const GLfloat radius = 0.5F * size;
-      const GLint z = (GLint) (vert->win[2] + 0.5F);
+      const GLuint z = (GLuint) (vert->win[2] + 0.5F);
       GLuint count;
 #if FLAGS & SMOOTH
       const GLfloat rmin = radius - 0.7071F;  /* 0.7071 = sqrt(2)/2 */
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index cbfb7712d8..128ce0afb3 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -554,7 +554,7 @@ _swrast_ReadPixels( GLcontext *ctx,
    /* Do all needed clipping here, so that we can forget about it later */
    if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) {
       /* The ReadPixels region is totally outside the window bounds */
-      return;
+      goto end;
    }
 
    if (clippedPacking.BufferObj->Name) {
diff --git a/src/mesa/swrast/sources b/src/mesa/swrast/sources
index 8807b56a61..9ffd4cca72 100644
--- a/src/mesa/swrast/sources
+++ b/src/mesa/swrast/sources
@@ -1,4 +1,4 @@
-# List of ource files in this directory used for X.org xserver build
+# List of source files in this directory used for X.org xserver build
 MESA_SWRAST_SOURCES = \
 s_aaline.c \
 s_aatriangle.c \
@@ -30,3 +30,36 @@ s_texfilter.c \
 s_texstore.c \
 s_triangle.c \
 s_zoom.c
+
+MESA_SWRAST_HEADERS = \
+s_aaline.h \
+s_aalinetemp.h \
+s_aatriangle.h \
+s_aatritemp.h \
+s_accum.h \
+s_alpha.h \
+s_arbshader.h \
+s_atifragshader.h \
+s_blend.h \
+s_context.h \
+s_depth.h \
+s_drawpix.h \
+s_feedback.h \
+s_fog.h \
+s_lines.h \
+s_linetemp.h \
+s_logic.h \
+s_masking.h \
+s_nvfragprog.h \
+s_points.h \
+s_pointtemp.h \
+s_span.h \
+s_spantemp.h \
+s_stencil.h \
+s_texcombine.h \
+s_texfilter.h \
+s_triangle.h \
+s_trispan.h \
+s_tritemp.h \
+s_zoom.h \
+swrast.h