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wined3d: Disable range fog with per-pixel fog.

This commit is contained in:
Stefan Dösinger 2011-09-10 23:05:33 +02:00 committed by Alexandre Julliard
parent e28041c9a6
commit 9bcd58f312
1 changed files with 30 additions and 21 deletions
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51
dlls/wined3d/state.c
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@ -898,6 +898,7 @@ static void state_stencilwrite(struct wined3d_context *context, const struct win
static void state_fog_vertexpart(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
const struct wined3d_gl_info *gl_info = context->gl_info;
TRACE("context %p, state %p, state_id %#x.\n", context, state, state_id);
if (!state->render_states[WINED3DRS_FOGENABLE])
@ -912,6 +913,13 @@ static void state_fog_vertexpart(struct wined3d_context *context, const struct w
checkGLcall("glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FRAGMENT_DEPTH_EXT)");
context->fog_coord = FALSE;
}
/* Range fog is only used with per-vertex fog in d3d */
if (gl_info->supported[NV_FOG_DISTANCE])
{
glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV);
checkGLcall("glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV)");
}
return;
}
@ -926,13 +934,33 @@ static void state_fog_vertexpart(struct wined3d_context *context, const struct w
checkGLcall("glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FOG_COORDINATE_EXT)");
context->fog_coord = TRUE;
}
} else {
}
else
{
/* Otherwise, use the fragment depth */
if(context->fog_coord) {
glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FRAGMENT_DEPTH_EXT);
checkGLcall("glFogi(GL_FOG_COORDINATE_SOURCE_EXT, GL_FRAGMENT_DEPTH_EXT)");
context->fog_coord = FALSE;
}
if (state->render_states[WINED3DRS_RANGEFOGENABLE])
{
if (gl_info->supported[NV_FOG_DISTANCE])
{
glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV);
checkGLcall("glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV)");
}
else
{
WARN("Range fog enabled, but not supported by this GL implementation.\n");
}
}
else if (gl_info->supported[NV_FOG_DISTANCE])
{
glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV);
checkGLcall("glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV)");
}
}
}
@ -1137,24 +1165,6 @@ void state_fog_fragpart(struct wined3d_context *context, const struct wined3d_st
}
}
static void state_rangefog_w(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
if (state->render_states[WINED3DRS_RANGEFOGENABLE])
WARN("Range fog enabled, but not supported by this GL implementation.\n");
}
static void state_rangefog(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
if (state->render_states[WINED3DRS_RANGEFOGENABLE])
{
glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV);
checkGLcall("glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_RADIAL_NV)");
} else {
glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV);
checkGLcall("glFogi(GL_FOG_DISTANCE_MODE_NV, GL_EYE_PLANE_ABSOLUTE_NV)");
}
}
void state_fogcolor(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
float col[4];
@ -5376,8 +5386,7 @@ const struct StateEntryTemplate ffp_vertexstate_template[] = {
{ STATE_RENDER(WINED3DRS_FOGENABLE), { STATE_RENDER(WINED3DRS_FOGENABLE), state_fog_vertexpart}, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_FOGTABLEMODE), { STATE_RENDER(WINED3DRS_FOGENABLE), NULL }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_FOGVERTEXMODE), { STATE_RENDER(WINED3DRS_FOGENABLE), NULL }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_RANGEFOGENABLE), { STATE_RENDER(WINED3DRS_RANGEFOGENABLE), state_rangefog }, NV_FOG_DISTANCE },
{ STATE_RENDER(WINED3DRS_RANGEFOGENABLE), { STATE_RENDER(WINED3DRS_RANGEFOGENABLE), state_rangefog_w }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_RANGEFOGENABLE), { STATE_RENDER(WINED3DRS_FOGENABLE), NULL }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_CLIPPING), { STATE_RENDER(WINED3DRS_CLIPPING), state_clipping }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_CLIPPLANEENABLE), { STATE_RENDER(WINED3DRS_CLIPPING), NULL }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3DRS_LIGHTING), { STATE_RENDER(WINED3DRS_LIGHTING), state_lighting }, WINED3D_GL_EXT_NONE },