wined3d: Implement special fog behavior for orthogonal projection matrices.

This commit is contained in:
Matteo Bruni 2013-07-22 20:24:29 +02:00 committed by Alexandre Julliard
parent 7e136d68f7
commit e2cf98eb76
4 changed files with 28 additions and 4 deletions

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@ -1324,7 +1324,7 @@ static void fog_test(IDirect3DDevice9 *device)
}
color = getPixelColor(device, 160, 360);
todo_wine ok(color_match(color, 0x00e51900, 4), "Partially fogged quad has color %08x\n", color);
ok(color_match(color, 0x00e51900, 4), "Partially fogged quad has color %08x\n", color);
color = getPixelColor(device, 160, 120);
ok(color_match(color, D3DCOLOR_ARGB(0x00, 0x00, 0xff, 0x00), 1),
"Fogged out quad has color %08x\n", color);

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@ -5082,6 +5082,10 @@ static GLhandleARB shader_glsl_generate_ffp_vertex_shader(struct wined3d_shader_
break;
case WINED3D_FFP_VS_FOG_DEPTH:
if (settings->ortho_fog)
/* Need to undo the [0.0 - 1.0] -> [-1.0 - 1.0] transformation from D3D to GL coordinates. */
shader_addline(buffer, "gl_FogFragCoord = gl_Position.z * 0.5 + 0.5;\n");
else
shader_addline(buffer, "gl_FogFragCoord = ec_pos.z;\n");
break;
@ -6814,6 +6818,16 @@ static void glsl_vertex_pipe_shader(struct wined3d_context *context,
context->select_shader = 1;
}
static void glsl_vertex_pipe_projection(struct wined3d_context *context,
const struct wined3d_state *state, DWORD state_id)
{
/* Table fog behavior depends on the projection matrix. */
if (state->render_states[WINED3D_RS_FOGENABLE]
&& state->render_states[WINED3D_RS_FOGTABLEMODE] != WINED3D_FOG_NONE)
context->select_shader = 1;
transform_projection(context, state, state_id);
}
static const struct StateEntryTemplate glsl_vertex_pipe_vp_states[] =
{
{STATE_VDECL, {STATE_VDECL, vertexdeclaration }, WINED3D_GL_EXT_NONE },
@ -6867,7 +6881,7 @@ static const struct StateEntryTemplate glsl_vertex_pipe_vp_states[] =
{STATE_VIEWPORT, {STATE_VIEWPORT, viewport_vertexpart }, WINED3D_GL_EXT_NONE },
/* Transform states */
{STATE_TRANSFORM(WINED3D_TS_VIEW), {STATE_TRANSFORM(WINED3D_TS_VIEW), transform_view }, WINED3D_GL_EXT_NONE },
{STATE_TRANSFORM(WINED3D_TS_PROJECTION), {STATE_TRANSFORM(WINED3D_TS_PROJECTION), transform_projection }, WINED3D_GL_EXT_NONE },
{STATE_TRANSFORM(WINED3D_TS_PROJECTION), {STATE_TRANSFORM(WINED3D_TS_PROJECTION), glsl_vertex_pipe_projection}, WINED3D_GL_EXT_NONE },
{STATE_TRANSFORM(WINED3D_TS_TEXTURE0), {STATE_TEXTURESTAGE(0, WINED3D_TSS_TEXTURE_TRANSFORM_FLAGS), NULL }, WINED3D_GL_EXT_NONE },
{STATE_TRANSFORM(WINED3D_TS_TEXTURE1), {STATE_TEXTURESTAGE(1, WINED3D_TSS_TEXTURE_TRANSFORM_FLAGS), NULL }, WINED3D_GL_EXT_NONE },
{STATE_TRANSFORM(WINED3D_TS_TEXTURE2), {STATE_TEXTURESTAGE(2, WINED3D_TSS_TEXTURE_TRANSFORM_FLAGS), NULL }, WINED3D_GL_EXT_NONE },

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@ -3614,10 +3614,19 @@ void wined3d_ffp_get_vs_settings(const struct wined3d_state *state, const struct
& WINED3D_FFP_LIGHT_TYPE_MASK) << WINED3D_FFP_LIGHT_TYPE_SHIFT(i);
}
settings->ortho_fog = 0;
if (!state->render_states[WINED3D_RS_FOGENABLE])
settings->fog_mode = WINED3D_FFP_VS_FOG_OFF;
else if (state->render_states[WINED3D_RS_FOGTABLEMODE] != WINED3D_FOG_NONE)
{
settings->fog_mode = WINED3D_FFP_VS_FOG_DEPTH;
if (state->transforms[WINED3D_TS_PROJECTION].u.m[0][3] == 0.0f
&& state->transforms[WINED3D_TS_PROJECTION].u.m[1][3] == 0.0f
&& state->transforms[WINED3D_TS_PROJECTION].u.m[2][3] == 0.0f
&& state->transforms[WINED3D_TS_PROJECTION].u.m[3][3] == 1.0f)
settings->ortho_fog = 1;
}
else if (state->render_states[WINED3D_RS_FOGVERTEXMODE] == WINED3D_FOG_NONE)
settings->fog_mode = WINED3D_FFP_VS_FOG_FOGCOORD;
else if (state->render_states[WINED3D_RS_RANGEFOGENABLE])

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@ -1737,7 +1737,8 @@ struct wined3d_ffp_vs_settings
DWORD point_size : 1;
DWORD fog_mode : 2;
DWORD texcoords : 8; /* MAX_TEXTURES */
DWORD padding : 15;
DWORD ortho_fog : 1;
DWORD padding : 14;
BYTE texgen[MAX_TEXTURES];
};