Merge branch 'mesa_7_7_branch'

Conflicts:

	src/mesa/shader/prog_execute.c

3 files changed, 84 insertions, 44 deletions

diff --git a/src/gallium/winsys/xlib/xlib_softpipe.c b/src/gallium/winsys/xlib/xlib_softpipe.c
index 49dbf443ca..bf78aca686 100644
--- a/src/gallium/winsys/xlib/xlib_softpipe.c
+++ b/src/gallium/winsys/xlib/xlib_softpipe.c
@@ -63,7 +63,7 @@ struct xm_buffer
 
    XImage *tempImage;
 #ifdef USE_XSHM
-   int shm;
+   boolean shm;         /** Is this a shared memory buffer? */
    XShmSegmentInfo shminfo;
 #endif
 };
@@ -152,7 +152,7 @@ alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
                                   &b->shminfo,
                                   width, height);
    if (b->tempImage == NULL) {
-      b->shm = 0;
+      b->shm = FALSE;
       return;
    }
 
@@ -169,12 +169,12 @@ alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
       mesaXErrorFlag = 0;
       XDestroyImage(b->tempImage);
       b->tempImage = NULL;
-      b->shm = 0;
+      b->shm = FALSE;
       (void) XSetErrorHandler(old_handler);
       return;
    }
 
-   b->shm = 1;
+   b->shm = TRUE;
 }
 
 #endif /* USE_XSHM */
@@ -222,12 +222,13 @@ xm_buffer_destroy(struct pipe_buffer *buf)
          oldBuf->shminfo.shmaddr = (char *) -1;
       }
 
+      if (oldBuf->shm) {
+         oldBuf->data = NULL;
+      }
+
       if (oldBuf->tempImage) {
-         if (oldBuf->data == oldBuf->tempImage->data) {
-            /* oldBuf->data points at the xshm memory which we'll now free */
-            oldBuf->data = NULL;
-         }
          XDestroyImage(oldBuf->tempImage);
+         oldBuf->tempImage = NULL;
       }
 #endif
 
@@ -342,10 +343,8 @@ xm_buffer_create(struct pipe_winsys *pws,
    buffer->base.usage = usage;
    buffer->base.size = size;
 
-   if (buffer->data == NULL) {
-      /* align to 16-byte multiple for Cell */
-      buffer->data = align_malloc(size, max(alignment, 16));
-   }
+   /* align to 16-byte multiple for Cell */
+   buffer->data = align_malloc(size, max(alignment, 16));
 
    return &buffer->base;
 }
diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c
index eb537cd1b9..3cb2610950 100644
--- a/src/mesa/shader/arbprogram.c
+++ b/src/mesa/shader/arbprogram.c
@@ -561,6 +561,8 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
    }
 }
 
+
+
 /**
  * Set a program env parameter register.
  * \note Called from the GL API dispatcher.
@@ -569,10 +571,35 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
  */
 void GLAPIENTRY
 _mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index,
-                                   const GLfloat *params)
+                                const GLfloat *params)
 {
-   _mesa_ProgramEnvParameter4fARB(target, index, params[0], params[1],
-                                  params[2], params[3]);
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+   if (target == GL_FRAGMENT_PROGRAM_ARB
+       && ctx->Extensions.ARB_fragment_program) {
+      if (index >= ctx->Const.FragmentProgram.MaxEnvParams) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)");
+         return;
+      }
+      memcpy(ctx->FragmentProgram.Parameters[index], params,
+             4 * sizeof(GLfloat));
+   }
+   else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */
+       && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) {
+      if (index >= ctx->Const.VertexProgram.MaxEnvParams) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)");
+         return;
+      }
+      memcpy(ctx->VertexProgram.Parameters[index], params,
+             4 * sizeof(GLfloat));
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter4fv(target)");
+      return;
+   }
 }
 
 
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 7ea792f619..c212790dcd 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -351,6 +351,28 @@ fetch_vector1(const struct prog_src_register *source,
 }
 
 
+static GLuint
+fetch_vector1ui(const struct prog_src_register *source,
+                const struct gl_program_machine *machine)
+{
+   const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
+   GLuint result;
+
+   ASSERT(src);
+
+   result = src[GET_SWZ(source->Swizzle, 0)];
+
+   if (source->Abs) {
+      result = FABSF(result);
+   }
+   if (source->Negate) {
+      result = -result;
+   }
+
+   return result;
+}
+
+
 /**
  * Fetch texel from texture.  Use partial derivatives when possible.
  */
@@ -1667,13 +1689,11 @@ _mesa_execute_program(GLcontext * ctx,
          break;
       case OPCODE_UP2H:        /* unpack two 16-bit floats */
          {
-            GLfloat a[4], result[4];
-            fi_type fi;
-            GLhalfNV hx, hy;
-            fetch_vector1(&inst->SrcReg[0], machine, a);
-            fi.f = a[0];
-            hx = fi.i & 0xffff;
-            hy = fi.i >> 16;
+            const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+            GLfloat result[4];
+            GLushort hx, hy;
+            hx = raw & 0xffff;
+            hy = raw >> 16;
             result[0] = result[2] = _mesa_half_to_float(hx);
             result[1] = result[3] = _mesa_half_to_float(hy);
             store_vector4(inst, machine, result);
@@ -1681,13 +1701,11 @@ _mesa_execute_program(GLcontext * ctx,
          break;
       case OPCODE_UP2US:       /* unpack two GLushorts */
          {
-            GLfloat a[4], result[4];
-            fi_type fi;
+            const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+            GLfloat result[4];
             GLushort usx, usy;
-            fetch_vector1(&inst->SrcReg[0], machine, a);
-            fi.f = a[0];
-            usx = fi.i & 0xffff;
-            usy = fi.i >> 16;
+            usx = raw & 0xffff;
+            usy = raw >> 16;
             result[0] = result[2] = usx * (1.0f / 65535.0f);
             result[1] = result[3] = usy * (1.0f / 65535.0f);
             store_vector4(inst, machine, result);
@@ -1695,27 +1713,23 @@ _mesa_execute_program(GLcontext * ctx,
          break;
       case OPCODE_UP4B:        /* unpack four GLbytes */
          {
-            GLfloat a[4], result[4];
-            fi_type fi;
-            fetch_vector1(&inst->SrcReg[0], machine, a);
-            fi.f = a[0];
-            result[0] = (((fi.i >> 0) & 0xff) - 128) / 127.0F;
-            result[1] = (((fi.i >> 8) & 0xff) - 128) / 127.0F;
-            result[2] = (((fi.i >> 16) & 0xff) - 128) / 127.0F;
-            result[3] = (((fi.i >> 24) & 0xff) - 128) / 127.0F;
+            const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+            GLfloat result[4];
+            result[0] = (((raw >> 0) & 0xff) - 128) / 127.0F;
+            result[1] = (((raw >> 8) & 0xff) - 128) / 127.0F;
+            result[2] = (((raw >> 16) & 0xff) - 128) / 127.0F;
+            result[3] = (((raw >> 24) & 0xff) - 128) / 127.0F;
             store_vector4(inst, machine, result);
          }
          break;
       case OPCODE_UP4UB:       /* unpack four GLubytes */
          {
-            GLfloat a[4], result[4];
-            fi_type fi;
-            fetch_vector1(&inst->SrcReg[0], machine, a);
-            fi.f = a[0];
-            result[0] = ((fi.i >> 0) & 0xff) / 255.0F;
-            result[1] = ((fi.i >> 8) & 0xff) / 255.0F;
-            result[2] = ((fi.i >> 16) & 0xff) / 255.0F;
-            result[3] = ((fi.i >> 24) & 0xff) / 255.0F;
+            const GLuint raw = fetch_vector1ui(&inst->SrcReg[0], machine);
+            GLfloat result[4];
+            result[0] = ((raw >> 0) & 0xff) / 255.0F;
+            result[1] = ((raw >> 8) & 0xff) / 255.0F;
+            result[2] = ((raw >> 16) & 0xff) / 255.0F;
+            result[3] = ((raw >> 24) & 0xff) / 255.0F;
             store_vector4(inst, machine, result);
          }
          break;