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wined3d: Introduce gl_blend_from_d3d() helper function.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2016-08-08 16:52:28 +02:00 committed by Alexandre Julliard
parent cf09d158fe
commit db5211d36f
1 changed files with 37 additions and 46 deletions
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83
dlls/wined3d/state.c
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@ -412,12 +412,35 @@ static GLenum gl_blend_factor(enum wined3d_blend factor, const struct wined3d_fo
}
}
static void gl_blend_from_d3d(GLenum *src_blend, GLenum *dst_blend,
enum wined3d_blend d3d_src_blend, enum wined3d_blend d3d_dst_blend,
const struct wined3d_format *rt_format)
{
/* WINED3D_BLEND_BOTHSRCALPHA and WINED3D_BLEND_BOTHINVSRCALPHA are legacy
* source blending values which are still valid up to d3d9. They should
* not occur as dest blend values. */
if (d3d_src_blend == WINED3D_BLEND_BOTHSRCALPHA)
{
*src_blend = GL_SRC_ALPHA;
*dst_blend = GL_ONE_MINUS_SRC_ALPHA;
}
else if (d3d_src_blend == WINED3D_BLEND_BOTHINVSRCALPHA)
{
*src_blend = GL_ONE_MINUS_SRC_ALPHA;
*dst_blend = GL_SRC_ALPHA;
}
else
{
*src_blend = gl_blend_factor(d3d_src_blend, rt_format);
*dst_blend = gl_blend_factor(d3d_dst_blend, rt_format);
}
}
static void state_blend(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
{
const struct wined3d_gl_info *gl_info = context->gl_info;
const struct wined3d_format *rt_format;
enum wined3d_blend d3d_blend;
GLenum srcBlend, dstBlend;
GLenum src_blend, dst_blend;
unsigned int rt_fmt_flags;
if (!state->fb->render_targets[0])
@ -458,34 +481,18 @@ static void state_blend(struct wined3d_context *context, const struct wined3d_st
return;
};
/* WINED3D_BLEND_BOTHSRCALPHA and WINED3D_BLEND_BOTHINVSRCALPHA are legacy
* source blending values which are still valid up to d3d9. They should
* not occur as dest blend values. */
d3d_blend = state->render_states[WINED3D_RS_SRCBLEND];
if (d3d_blend == WINED3D_BLEND_BOTHSRCALPHA)
{
srcBlend = GL_SRC_ALPHA;
dstBlend = GL_ONE_MINUS_SRC_ALPHA;
}
else if (d3d_blend == WINED3D_BLEND_BOTHINVSRCALPHA)
{
srcBlend = GL_ONE_MINUS_SRC_ALPHA;
dstBlend = GL_SRC_ALPHA;
}
else
{
srcBlend = gl_blend_factor(d3d_blend, rt_format);
dstBlend = gl_blend_factor(state->render_states[WINED3D_RS_DESTBLEND], rt_format);
}
gl_blend_from_d3d(&src_blend, &dst_blend,
state->render_states[WINED3D_RS_SRCBLEND],
state->render_states[WINED3D_RS_DESTBLEND], rt_format);
if (state->render_states[WINED3D_RS_EDGEANTIALIAS]
|| state->render_states[WINED3D_RS_ANTIALIASEDLINEENABLE])
{
gl_info->gl_ops.gl.p_glEnable(GL_LINE_SMOOTH);
checkGLcall("glEnable(GL_LINE_SMOOTH)");
if (srcBlend != GL_SRC_ALPHA)
if (src_blend != GL_SRC_ALPHA)
WARN("WINED3D_RS_EDGEANTIALIAS enabled, but unexpected src blending param.\n");
if (dstBlend != GL_ONE_MINUS_SRC_ALPHA && dstBlend != GL_ONE)
if (dst_blend != GL_ONE_MINUS_SRC_ALPHA && dst_blend != GL_ONE)
WARN("WINED3D_RS_EDGEANTIALIAS enabled, but unexpected dst blending param.\n");
}
else
@ -500,7 +507,7 @@ static void state_blend(struct wined3d_context *context, const struct wined3d_st
if (state->render_states[WINED3D_RS_SEPARATEALPHABLENDENABLE])
{
GLenum srcBlendAlpha, dstBlendAlpha;
GLenum src_blend_alpha, dst_blend_alpha;
/* Separate alpha blending requires GL_EXT_blend_function_separate, so make sure it is around */
if (!context->gl_info->supported[EXT_BLEND_FUNC_SEPARATE])
@ -509,33 +516,17 @@ static void state_blend(struct wined3d_context *context, const struct wined3d_st
return;
}
/* WINED3D_BLEND_BOTHSRCALPHA and WINED3D_BLEND_BOTHINVSRCALPHA are legacy
* source blending values which are still valid up to d3d9. They should
* not occur as dest blend values. */
d3d_blend = state->render_states[WINED3D_RS_SRCBLENDALPHA];
if (d3d_blend == WINED3D_BLEND_BOTHSRCALPHA)
{
srcBlendAlpha = GL_SRC_ALPHA;
dstBlendAlpha = GL_ONE_MINUS_SRC_ALPHA;
}
else if (d3d_blend == WINED3D_BLEND_BOTHINVSRCALPHA)
{
srcBlendAlpha = GL_ONE_MINUS_SRC_ALPHA;
dstBlendAlpha = GL_SRC_ALPHA;
}
else
{
srcBlendAlpha = gl_blend_factor(d3d_blend, rt_format);
dstBlendAlpha = gl_blend_factor(state->render_states[WINED3D_RS_DESTBLENDALPHA], rt_format);
}
gl_blend_from_d3d(&src_blend_alpha, &dst_blend_alpha,
state->render_states[WINED3D_RS_SRCBLENDALPHA],
state->render_states[WINED3D_RS_DESTBLENDALPHA], rt_format);
GL_EXTCALL(glBlendFuncSeparate(srcBlend, dstBlend, srcBlendAlpha, dstBlendAlpha));
GL_EXTCALL(glBlendFuncSeparate(src_blend, dst_blend, src_blend_alpha, dst_blend_alpha));
checkGLcall("glBlendFuncSeparate");
}
else
{
TRACE("glBlendFunc src=%x, dst=%x\n", srcBlend, dstBlend);
gl_info->gl_ops.gl.p_glBlendFunc(srcBlend, dstBlend);
TRACE("glBlendFunc src=%x, dst=%x.\n", src_blend, dst_blend);
gl_info->gl_ops.gl.p_glBlendFunc(src_blend, dst_blend);
checkGLcall("glBlendFunc");
}