Stefan Dösinger : wined3d: Correct an off-by-one error in constant dirtification.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9be8f36c2ec1dd3a1bb1d9b116ea11313da38e64
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9be8f36c2ec1dd3a1bb1d9b116...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Sun Jul  6 11:51:26 2008 -0500

wined3d: Correct an off-by-one error in constant dirtification.

Constant numbers start at 0, and the loading loop has a for(i; i <
dirtyconsts; i++). This means that the highest dirty constant isn't
loaded correctly. Rather than replacing the < with <=, which would
make it impossible to have no dirty constant, add 1 to the dirty
constant counter.

---

 dlls/wined3d/arb_program_shader.c |    2 +-
 dlls/wined3d/device.c             |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 84ec4fc..42b107a 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -134,7 +134,7 @@ static unsigned int shader_arb_load_constantsF(IWineD3DBaseShaderImpl* This, Win
         ret = 0;
         LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
             dirty_consts[lconst->idx] = 1; /* Dirtify so the non-immediate constant overwrites it next time */
-            ret = max(ret, lconst->idx);
+            ret = max(ret, lconst->idx + 1);
             GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, lconst->idx, (GLfloat*)lconst->value));
         }
         checkGLcall("glProgramEnvParameter4fvARB()");
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 7a0cce2..26c1c9c 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3602,7 +3602,7 @@ UINT count) {
      */
     memset(This->activeContext->vshader_const_dirty + start, 1,
            sizeof(*This->activeContext->vshader_const_dirty) * count);
-    This->highest_dirty_vs_const = max(This->highest_dirty_vs_const, start+count);
+    This->highest_dirty_vs_const = max(This->highest_dirty_vs_const, start+count+1);
 
     IWineD3DDeviceImpl_MarkStateDirty(This, STATE_VERTEXSHADERCONSTANT);
 
@@ -4030,7 +4030,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetPixelShaderConstantF_DirtyConst(
      */
     memset(This->activeContext->pshader_const_dirty + start, 1,
            sizeof(*This->activeContext->pshader_const_dirty) * count);
-    This->highest_dirty_ps_const = max(This->highest_dirty_ps_const, start+count);
+    This->highest_dirty_ps_const = max(This->highest_dirty_ps_const, start+count+1);
 
     IWineD3DDeviceImpl_MarkStateDirty(This, STATE_PIXELSHADERCONSTANT);