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wined3d: Make use of the EXT_BLEND_SUBTRACT flag. 

MSDN mentions a fallback to D3DBLENDOP_ADD if the selected blendop
is not supported. In theory it would be nice to write a test for that but
I don't think this is particularly important and moreover hardware
without that cap seems hard to come by (i.e. I have none)...
This commit is contained in:
Matteo Bruni 2015-06-16 22:45:41 +02:00 committed by Alexandre Julliard
parent 35a2406900
commit 498e55a182
3 changed files with 26 additions and 12 deletions
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17
dlls/wined3d/directx.c
View File

@ -3399,13 +3399,25 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter)
gl_info->supported[NV_POINT_SPRITE] = TRUE;
}
if ((!gl_info->supported[EXT_BLEND_MINMAX] || !gl_info->supported[EXT_BLEND_SUBTRACT])
&& gl_version >= MAKEDWORD_VERSION(1, 4))
{
TRACE("GL CORE: GL_EXT_blend_minmax / GL_EXT_blend_subtract support.\n");
gl_info->supported[EXT_BLEND_MINMAX] = TRUE;
gl_info->supported[EXT_BLEND_SUBTRACT] = TRUE;
}
if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO] && gl_version >= MAKEDWORD_VERSION(2, 0))
{
TRACE("GL CORE: GL_ARB_texture_non_power_of_two support.\n");
gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO] = TRUE;
}
if (gl_version >= MAKEDWORD_VERSION(2, 0)) gl_info->supported[WINED3D_GL_VERSION_2_0] = TRUE;
if (gl_info->supported[EXT_BLEND_MINMAX] || gl_info->supported[EXT_BLEND_SUBTRACT])
gl_info->supported[WINED3D_GL_BLEND_EQUATION] = TRUE;
if (gl_version >= MAKEDWORD_VERSION(2, 0))
gl_info->supported[WINED3D_GL_VERSION_2_0] = TRUE;
if (gl_info->supported[APPLE_FENCE])
{
@ -4760,7 +4772,6 @@ HRESULT CDECL wined3d_get_device_caps(const struct wined3d *wined3d, UINT adapte
WINED3DPMISCCAPS_CLIPTLVERTS |
WINED3DPMISCCAPS_CLIPPLANESCALEDPOINTS |
WINED3DPMISCCAPS_MASKZ |
WINED3DPMISCCAPS_BLENDOP |
WINED3DPMISCCAPS_MRTPOSTPIXELSHADERBLENDING;
/* TODO:
WINED3DPMISCCAPS_NULLREFERENCE
@ -4768,6 +4779,8 @@ HRESULT CDECL wined3d_get_device_caps(const struct wined3d *wined3d, UINT adapte
WINED3DPMISCCAPS_MRTINDEPENDENTBITDEPTHS
WINED3DPMISCCAPS_FOGVERTEXCLAMPED */
if (gl_info->supported[WINED3D_GL_BLEND_EQUATION])
caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_BLENDOP;
if (gl_info->supported[EXT_BLEND_EQUATION_SEPARATE] && gl_info->supported[EXT_BLEND_FUNC_SEPARATE])
caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_SEPARATEALPHABLEND;
if (gl_info->supported[EXT_DRAW_BUFFERS2])

20
dlls/wined3d/state.c
View File

@ -273,23 +273,23 @@ static void state_blendop_w(struct wined3d_context *context, const struct wined3
WARN("Unsupported in local OpenGL implementation: glBlendEquation\n");
}
static GLenum gl_blend_op(enum wined3d_blend_op op)
static GLenum gl_blend_op(const struct wined3d_gl_info *gl_info, enum wined3d_blend_op op)
{
switch (op)
{
case WINED3D_BLEND_OP_ADD:
return GL_FUNC_ADD_EXT;
return GL_FUNC_ADD;
case WINED3D_BLEND_OP_SUBTRACT:
return GL_FUNC_SUBTRACT_EXT;
return gl_info->supported[EXT_BLEND_SUBTRACT] ? GL_FUNC_SUBTRACT : GL_FUNC_ADD;
case WINED3D_BLEND_OP_REVSUBTRACT:
return GL_FUNC_REVERSE_SUBTRACT_EXT;
return gl_info->supported[EXT_BLEND_SUBTRACT] ? GL_FUNC_REVERSE_SUBTRACT : GL_FUNC_ADD;
case WINED3D_BLEND_OP_MIN:
return GL_MIN_EXT;
return gl_info->supported[EXT_BLEND_MINMAX] ? GL_MIN : GL_FUNC_ADD;
case WINED3D_BLEND_OP_MAX:
return GL_MAX_EXT;
return gl_info->supported[EXT_BLEND_MINMAX] ? GL_MAX : GL_FUNC_ADD;
default:
FIXME("Unhandled blend op %#x.\n", op);
return GL_NONE;
return GL_FUNC_ADD;
}
}
@ -307,8 +307,8 @@ static void state_blendop(struct wined3d_context *context, const struct wined3d_
return;
}
blend_equation = gl_blend_op(state->render_states[WINED3D_RS_BLENDOP]);
blend_equation_alpha = gl_blend_op(state->render_states[WINED3D_RS_BLENDOPALPHA]);
blend_equation = gl_blend_op(gl_info, state->render_states[WINED3D_RS_BLENDOP]);
blend_equation_alpha = gl_blend_op(gl_info, state->render_states[WINED3D_RS_BLENDOPALPHA]);
TRACE("blend_equation %#x, blend_equation_alpha %#x.\n", blend_equation, blend_equation_alpha);
if (state->render_states[WINED3D_RS_SEPARATEALPHABLENDENABLE])
@ -4997,7 +4997,7 @@ const struct StateEntryTemplate misc_state_template[] =
{ STATE_RENDER(WINED3D_RS_DEBUGMONITORTOKEN), { STATE_RENDER(WINED3D_RS_DEBUGMONITORTOKEN), state_debug_monitor }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3D_RS_COLORWRITEENABLE), { STATE_RENDER(WINED3D_RS_COLORWRITEENABLE), state_colorwrite0 }, EXT_DRAW_BUFFERS2 },
{ STATE_RENDER(WINED3D_RS_COLORWRITEENABLE), { STATE_RENDER(WINED3D_RS_COLORWRITEENABLE), state_colorwrite }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3D_RS_BLENDOP), { STATE_RENDER(WINED3D_RS_BLENDOP), state_blendop }, EXT_BLEND_MINMAX },
{ STATE_RENDER(WINED3D_RS_BLENDOP), { STATE_RENDER(WINED3D_RS_BLENDOP), state_blendop }, WINED3D_GL_BLEND_EQUATION },
{ STATE_RENDER(WINED3D_RS_BLENDOP), { STATE_RENDER(WINED3D_RS_BLENDOP), state_blendop_w }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE), { STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE), state_scissor }, WINED3D_GL_EXT_NONE },
{ STATE_RENDER(WINED3D_RS_SLOPESCALEDEPTHBIAS), { STATE_RENDER(WINED3D_RS_DEPTHBIAS), NULL }, WINED3D_GL_EXT_NONE },

1
dlls/wined3d/wined3d_gl.h
View File

@ -160,6 +160,7 @@ enum wined3d_gl_extension
WGL_EXT_SWAP_CONTROL,
WGL_WINE_PIXEL_FORMAT_PASSTHROUGH,
/* Internally used */
WINED3D_GL_BLEND_EQUATION,
WINED3D_GL_NORMALIZED_TEXRECT,
WINED3D_GL_VERSION_2_0,