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wined3d: Cleanup GetSrcAndOpFromValue(). 

- Cleanup GetSrcAndOpFromValue().
- Use naming more consistent with the rest of the file.
This commit is contained in:
H. Verbeet 2006-06-10 23:49:09 +02:00 committed by Alexandre Julliard
parent a28ebdf7d4
commit 405e11ea62
2 changed files with 42 additions and 71 deletions
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112
dlls/wined3d/utils.c
View File

@ -399,6 +399,44 @@ GLenum StencilOp(DWORD op) {
}
}
static void get_src_and_opr(DWORD arg, BOOL is_alpha, GLenum* source, GLenum* operand) {
/* The D3DTA_ALPHAREPLICATE flag specifies the alpha component of the
* input should be used for all input components. The D3DTA_COMPLEMENT
* flag specifies the complement of the input should be used. */
BOOL from_alpha = is_alpha || arg & D3DTA_ALPHAREPLICATE;
BOOL complement = arg & D3DTA_COMPLEMENT;
/* Calculate the operand */
if (complement) {
if (from_alpha) *operand = GL_ONE_MINUS_SRC_ALPHA;
else *operand = GL_ONE_MINUS_SRC_COLOR;
} else {
if (from_alpha) *operand = GL_SRC_ALPHA;
else *operand = GL_SRC_COLOR;
}
/* Calculate the source */
switch (arg & D3DTA_SELECTMASK) {
case D3DTA_CURRENT: *source = GL_PREVIOUS_EXT; break;
case D3DTA_DIFFUSE: *source = GL_PRIMARY_COLOR_EXT; break;
case D3DTA_TEXTURE: *source = GL_TEXTURE; break;
case D3DTA_TFACTOR: *source = GL_CONSTANT_EXT; break;
case D3DTA_SPECULAR:
/*
* According to the GL_ARB_texture_env_combine specs, SPECULAR is
* 'Secondary color' and isn't supported until base GL supports it
* There is no concept of temp registers as far as I can tell
*/
FIXME("Unhandled texture arg D3DTA_SPECULAR\n");
*source = GL_TEXTURE;
break;
default:
FIXME("Unrecognized texture arg %#lx\n", arg);
*source = GL_TEXTURE;
break;
}
}
/* Set texture operations up - The following avoids lots of ifdefs in this routine!*/
#if defined (GL_VERSION_1_3)
# define useext(A) A
@ -475,12 +513,12 @@ void set_tex_op(IWineD3DDevice *iface, BOOL isAlpha, int Stage, D3DTEXTUREOP op,
then the default argument is D3DTA_DIFFUSE.
FIXME? If texture added/removed, may need to reset back as well? */
if (isAlpha && This->stateBlock->textures[Stage] == NULL && arg1 == D3DTA_TEXTURE) {
GetSrcAndOpFromValue(D3DTA_DIFFUSE, isAlpha, &src1, &opr1);
get_src_and_opr(D3DTA_DIFFUSE, isAlpha, &src1, &opr1);
} else {
GetSrcAndOpFromValue(arg1, isAlpha, &src1, &opr1);
get_src_and_opr(arg1, isAlpha, &src1, &opr1);
}
GetSrcAndOpFromValue(arg2, isAlpha, &src2, &opr2);
GetSrcAndOpFromValue(arg3, isAlpha, &src3, &opr3);
get_src_and_opr(arg2, isAlpha, &src2, &opr2);
get_src_and_opr(arg3, isAlpha, &src3, &opr3);
TRACE("ct(%x), 1:(%x,%x), 2:(%x,%x), 3:(%x,%x)\n", comb_target, src1, opr1, src2, opr2, src3, opr3);
@ -1569,72 +1607,6 @@ void set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords)
checkGLcall("glLoadMatrixf(mat)");
}
void GetSrcAndOpFromValue(DWORD iValue, BOOL isAlphaArg, GLenum* source, GLenum* operand)
{
BOOL isAlphaReplicate = FALSE;
BOOL isComplement = FALSE;
*operand = GL_SRC_COLOR;
*source = GL_TEXTURE;
/* Catch alpha replicate */
if (iValue & D3DTA_ALPHAREPLICATE) {
iValue = iValue & ~D3DTA_ALPHAREPLICATE;
isAlphaReplicate = TRUE;
}
/* Catch Complement */
if (iValue & D3DTA_COMPLEMENT) {
iValue = iValue & ~D3DTA_COMPLEMENT;
isComplement = TRUE;
}
/* Calculate the operand */
if (isAlphaReplicate && !isComplement) {
*operand = GL_SRC_ALPHA;
} else if (isAlphaReplicate && isComplement) {
*operand = GL_ONE_MINUS_SRC_ALPHA;
} else if (isComplement) {
if (isAlphaArg) {
*operand = GL_ONE_MINUS_SRC_ALPHA;
} else {
*operand = GL_ONE_MINUS_SRC_COLOR;
}
} else {
if (isAlphaArg) {
*operand = GL_SRC_ALPHA;
} else {
*operand = GL_SRC_COLOR;
}
}
/* Calculate the source */
switch (iValue & D3DTA_SELECTMASK) {
case D3DTA_CURRENT: *source = GL_PREVIOUS_EXT;
break;
case D3DTA_DIFFUSE: *source = GL_PRIMARY_COLOR_EXT;
break;
case D3DTA_TEXTURE: *source = GL_TEXTURE;
break;
case D3DTA_TFACTOR: *source = GL_CONSTANT_EXT;
break;
case D3DTA_SPECULAR:
/*
* According to the GL_ARB_texture_env_combine specs, SPECULAR is
* 'Secondary color' and isn't supported until base GL supports it
* There is no concept of temp registers as far as I can tell
*/
FIXME("Unhandled texture arg D3DTA_SPECULAR\n");
*source = GL_TEXTURE;
break;
default:
FIXME("Unrecognized texture arg %ld\n", iValue);
*source = GL_TEXTURE;
}
}
#define GLINFO_LOCATION ((IWineD3DImpl *)(This->wineD3D))->gl_info
GLint D3DFmt2GLIntFmt(IWineD3DDeviceImpl* This, D3DFORMAT fmt) {
GLint retVal = 0;

1
dlls/wined3d/wined3d_private.h
View File

@ -1168,7 +1168,6 @@ const char* debug_d3dpool(WINED3DPOOL pool);
GLenum StencilOp(DWORD op);
void set_tex_op(IWineD3DDevice *iface, BOOL isAlpha, int Stage, D3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3);
void set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords);
void GetSrcAndOpFromValue(DWORD iValue, BOOL isAlphaArg, GLenum* source, GLenum* operand);
SHORT D3DFmtGetBpp(IWineD3DDeviceImpl* This, D3DFORMAT fmt);
GLenum D3DFmt2GLFmt(IWineD3DDeviceImpl* This, D3DFORMAT fmt);