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wined3d: Disable z-clipping for transformed vertices when WINED3D_RS_ZENABLE is disabled.

This commit is contained in:
Henri Verbeet 2012-02-23 22:45:46 +01:00 committed by Alexandre Julliard
parent 97ef216367
commit d17f037fb1
1 changed files with 26 additions and 6 deletions
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32
dlls/wined3d/state.c
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@ -93,16 +93,17 @@ static void state_lighting(struct wined3d_context *context, const struct wined3d
static void state_zenable(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
enum wined3d_depth_buffer_type zenable = state->render_states[WINED3D_RS_ZENABLE];
static UINT once;
/* No z test without depth stencil buffers */
if (!state->fb->depth_stencil)
{
TRACE("No Z buffer - disabling depth test\n");
glDisable(GL_DEPTH_TEST); /* This also disables z writing in gl */
checkGLcall("glDisable GL_DEPTH_TEST");
return;
zenable = WINED3D_ZB_FALSE;
}
switch (state->render_states[WINED3D_RS_ZENABLE])
switch (zenable)
{
case WINED3D_ZB_FALSE:
glDisable(GL_DEPTH_TEST);
@ -118,9 +119,25 @@ static void state_zenable(struct wined3d_context *context, const struct wined3d_
FIXME("W buffer is not well handled\n");
break;
default:
FIXME("Unrecognized depth buffer type %#x.\n",
state->render_states[WINED3D_RS_ZENABLE]);
FIXME("Unrecognized depth buffer type %#x.\n", zenable);
break;
}
if (context->gl_info->supported[ARB_DEPTH_CLAMP])
{
if (!zenable && context->swapchain->device->strided_streams.position_transformed)
{
glEnable(GL_DEPTH_CLAMP);
checkGLcall("glEnable(GL_DEPTH_CLAMP)");
}
else
{
glDisable(GL_DEPTH_CLAMP);
checkGLcall("glDisable(GL_DEPTH_CLAMP)");
}
}
else if (!zenable && !once++)
FIXME("Z buffer disabled, but ARB_depth_clamp isn't supported.\n");
}
static void state_cullmode(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
@ -4647,6 +4664,9 @@ static void vertexdeclaration(struct wined3d_context *context, const struct wine
transform_texture(context, state, STATE_TEXTURESTAGE(i, WINED3D_TSS_TEXTURE_TRANSFORM_FLAGS));
}
}
if (transformed != wasrhw && !isStateDirty(context, STATE_RENDER(WINED3D_RS_ZENABLE)))
state_zenable(context, state, STATE_RENDER(WINED3D_RS_ZENABLE));
}
static void viewport_miscpart(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)