Add support for a lot of the remaining texture ops, move code into the
utils module, and clean up the main code path.
diff --git a/dlls/d3d8/utils.c b/dlls/d3d8/utils.c
index 75ac1a5..0d0433f 100644
--- a/dlls/d3d8/utils.c
+++ b/dlls/d3d8/utils.c
@@ -468,3 +468,618 @@
return GL_ALWAYS;
}
}
+
+/**
+ * @nodoc: todo
+ */
+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
+ * isnt supported until base GL supports it
+ * There is no concept of temp registers as far as I can tell
+ */
+
+ default:
+ FIXME("Unrecognized or unhandled texture arg %ld\n", iValue);
+ *source = GL_TEXTURE;
+ }
+}
+
+/* Set texture operations up - The following avoids lots of ifdefs in this routine!*/
+#if defined (GL_VERSION_1_3)
+ #define useext(A) A
+ #define combine_ext 1
+#elif defined (GL_EXT_texture_env_combine)
+ #define useext(A) A##_EXT
+ #define combine_ext 1
+#elif defined (GL_ARB_texture_env_combine)
+ #define useext(A) A##_ARB
+ #define combine_ext 1
+#else
+ #undef combine_ext
+#endif
+
+#if !defined(combine_ext)
+void set_tex_op(LPDIRECT3DDEVICE8 iface, BOOL isAlpha, int Stage, D3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3)
+{
+ FIXME("Requires opengl combine extensions to work\n");
+ return;
+}
+#else
+/* Setup the texture operations texture stage states */
+void set_tex_op(LPDIRECT3DDEVICE8 iface, BOOL isAlpha, int Stage, D3DTEXTUREOP op, DWORD arg1, DWORD arg2, DWORD arg3)
+{
+ GLenum src1, src2, src3;
+ GLenum opr1, opr2, opr3;
+ GLenum comb_target;
+ GLenum src0_target, src1_target, src2_target;
+ GLenum opr0_target, opr1_target, opr2_target;
+ GLenum scal_target;
+ GLenum opr=0, invopr, src3_target, opr3_target;
+ BOOL Handled = FALSE;
+ ICOM_THIS(IDirect3DDevice8Impl,iface);
+
+ TRACE("Alpha?(%d), Stage:%d Op(%d), a1(%ld), a2(%ld), a3(%ld)\n", isAlpha, Stage, op, arg1, arg2, arg3);
+ if (op == D3DTOP_DISABLE) return;
+
+ if (isAlpha) {
+ comb_target = useext(GL_COMBINE_ALPHA);
+ src0_target = useext(GL_SOURCE0_ALPHA);
+ src1_target = useext(GL_SOURCE1_ALPHA);
+ src2_target = useext(GL_SOURCE2_ALPHA);
+ opr0_target = useext(GL_OPERAND0_ALPHA);
+ opr1_target = useext(GL_OPERAND1_ALPHA);
+ opr2_target = useext(GL_OPERAND2_ALPHA);
+ scal_target = useext(GL_ALPHA_SCALE);
+ }
+ else {
+ comb_target = useext(GL_COMBINE_RGB);
+ src0_target = useext(GL_SOURCE0_RGB);
+ src1_target = useext(GL_SOURCE1_RGB);
+ src2_target = useext(GL_SOURCE2_RGB);
+ opr0_target = useext(GL_OPERAND0_RGB);
+ opr1_target = useext(GL_OPERAND1_RGB);
+ opr2_target = useext(GL_OPERAND2_RGB);
+ scal_target = useext(GL_RGB_SCALE);
+ }
+
+ /* From MSDN (D3DTSS_ALPHAARG1) :
+ The default argument is D3DTA_TEXTURE. If no texture is set for this stage,
+ then the default argument is D3DTA_DIFFUSE.
+ FIXME? If texture added/removed, may need to reset back as well? */
+ if (isAlpha && Stage==0 && This->StateBlock->textures[Stage] == NULL && arg1 == D3DTA_TEXTURE) {
+ GetSrcAndOpFromValue(D3DTA_DIFFUSE, isAlpha, &src1, &opr1);
+ } else {
+ GetSrcAndOpFromValue(arg1, isAlpha, &src1, &opr1);
+ }
+ GetSrcAndOpFromValue(arg2, isAlpha, &src2, &opr2);
+ GetSrcAndOpFromValue(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);
+
+ Handled = TRUE; /* Assume will be handled */
+ switch (op) {
+ case D3DTOP_SELECTARG1:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_REPLACE);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_REPLACE");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_SELECTARG2:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_REPLACE);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_REPLACE");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATE:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_MODULATE);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_MODULATE");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATE2X:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_MODULATE);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_MODULATE");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 2);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 2");
+ break;
+ case D3DTOP_MODULATE4X:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_MODULATE);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_MODULATE");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 4);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 4");
+ break;
+ case D3DTOP_ADD:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_ADDSIGNED:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_ADD_SIGNED));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext((GL_ADD_SIGNED)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_ADDSIGNED2X:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_ADD_SIGNED));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_ADD_SIGNED)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 2);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 2");
+ break;
+ case D3DTOP_SUBTRACT:
+#if defined(GL_VERSION_1_3) || defined (GL_ARB_texture_env_combine)
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_SUBTRACT));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_SUBTRACT)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+#else
+ FIXME("This version of opengl does not support GL_SUBTRACT\n");
+#endif
+ break;
+ case D3DTOP_BLENDDIFFUSEALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, GL_PRIMARY_COLOR);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, GL_PRIMARY_COLOR");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_BLENDTEXTUREALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, GL_TEXTURE);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, GL_TEXTURE");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_BLENDFACTORALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, GL_CONSTANT);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, GL_CONSTANT");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_BLENDCURRENTALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, GL_PREVIOUS);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, GL_PREVIOUS");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, GL_SRC_ALPHA");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_DOTPRODUCT3:
+#if defined(GL_EXT_texture_env_dot3)
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA_EXT);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA_EXT");
+#elif defined(GL_ARB_texture_env_dot3)
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA_ARB);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA_ARB");
+#elif defined (GL_VERSION_1_3)
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA");
+#else
+ FIXME("This version of opengl does not support GL_DOT3\n");
+#endif
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_LERP:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE));
+ checkGLcall("GL_TEXTURE_ENV, comb_target, useext(GL_INTERPOLATE)");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src3);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src3");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr3);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr3");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ default:
+ Handled = FALSE;
+ }
+ if (Handled) {
+#if defined(GL_NV_texture_env_combine4)
+ /* Note: If COMBINE4 in effect cant go back to combine! */
+ if (isAlpha) {
+ switch (This->UpdateStateBlock->texture_state[Stage][D3DTSS_COLOROP])
+ {
+ case D3DTOP_ADDSMOOTH:
+ case D3DTOP_BLENDTEXTUREALPHAPM:
+ case D3DTOP_MODULATEALPHA_ADDCOLOR:
+ case D3DTOP_MODULATECOLOR_ADDALPHA:
+ case D3DTOP_MODULATEINVALPHA_ADDCOLOR:
+ case D3DTOP_MODULATEINVCOLOR_ADDALPHA:
+ case D3DTOP_MULTIPLYADD:
+ FIXME("Cant have COMBINE4 and COMBINE in efferct together, alphaop=%d\n", op);
+ return;
+ }
+ }
+#endif
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, useext(GL_COMBINE));
+ checkGLcall("GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, useext(GL_COMBINE)");
+ return;
+ }
+
+ /* Other texture operations require special extensions: */
+#if defined(GL_NV_texture_env_combine4)
+ if (isAlpha) {
+ invopr = GL_ONE_MINUS_SRC_ALPHA;
+ src3_target = GL_SOURCE3_ALPHA_NV;
+ opr3_target = GL_OPERAND3_ALPHA_NV;
+ }
+ else {
+ invopr = GL_ONE_MINUS_SRC_COLOR;
+ src3_target = GL_SOURCE3_RGB_NV;
+ opr3_target = GL_OPERAND3_RGB_NV;
+ }
+ Handled = TRUE; /* Again, assume handled */
+ switch (op) {
+ case D3DTOP_ADDSMOOTH:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr1 = GL_ONE_MINUS_SRC_COLOR; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr1 = GL_SRC_COLOR; break;
+ case GL_SRC_ALPHA: opr1 = GL_ONE_MINUS_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_ALPHA: opr1 = GL_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_BLENDTEXTUREALPHAPM:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, GL_TEXTURE);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, GL_TEXTURE");
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, GL_ONE_MINUS_SRC_ALPHA);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, GL_ONE_MINUS_SRC_ALPHA");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATEALPHA_ADDCOLOR:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD"); /* Add = a0*a1 + a2*a3 */
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1); /* a0 = src1/opr1 */
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1"); /* a1 = 1 (see docs) */
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src2); /* a2 = arg2 */
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr2"); /* a3 = src1 alpha */
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr1 = GL_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr1 = GL_ONE_MINUS_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATECOLOR_ADDALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr1 = GL_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr1 = GL_ONE_MINUS_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATEINVALPHA_ADDCOLOR:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr = GL_ONE_MINUS_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr = GL_SRC_ALPHA; break;
+ case GL_SRC_ALPHA: opr = GL_ONE_MINUS_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_ALPHA: opr = GL_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, opr);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, opr");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MODULATEINVCOLOR_ADDALPHA:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr = GL_ONE_MINUS_SRC_COLOR; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr = GL_SRC_COLOR; break;
+ case GL_SRC_ALPHA: opr = GL_ONE_MINUS_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_ALPHA: opr = GL_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src1");
+ switch (opr1) {
+ case GL_SRC_COLOR: opr1 = GL_SRC_ALPHA; break;
+ case GL_ONE_MINUS_SRC_COLOR: opr1 = GL_ONE_MINUS_SRC_ALPHA; break;
+ }
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+ case D3DTOP_MULTIPLYADD:
+ glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_ADD);
+ checkGLcall("GL_TEXTURE_ENV, comb_target, GL_ADD");
+ glTexEnvi(GL_TEXTURE_ENV, src0_target, src1);
+ checkGLcall("GL_TEXTURE_ENV, src0_target, src1");
+ glTexEnvi(GL_TEXTURE_ENV, opr0_target, opr1);
+ checkGLcall("GL_TEXTURE_ENV, opr0_target, opr1");
+ glTexEnvi(GL_TEXTURE_ENV, src1_target, GL_ZERO);
+ checkGLcall("GL_TEXTURE_ENV, src1_target, GL_ZERO");
+ glTexEnvi(GL_TEXTURE_ENV, opr1_target, invopr);
+ checkGLcall("GL_TEXTURE_ENV, opr1_target, invopr");
+ glTexEnvi(GL_TEXTURE_ENV, src2_target, src2);
+ checkGLcall("GL_TEXTURE_ENV, src2_target, src2");
+ glTexEnvi(GL_TEXTURE_ENV, opr2_target, opr2);
+ checkGLcall("GL_TEXTURE_ENV, opr2_target, opr2");
+ glTexEnvi(GL_TEXTURE_ENV, src3_target, src3);
+ checkGLcall("GL_TEXTURE_ENV, src3_target, src3");
+ glTexEnvi(GL_TEXTURE_ENV, opr3_target, opr3);
+ checkGLcall("GL_TEXTURE_ENV, opr3_target, opr3");
+ glTexEnvi(GL_TEXTURE_ENV, scal_target, 1);
+ checkGLcall("GL_TEXTURE_ENV, scal_target, 1");
+ break;
+
+ default:
+ Handled = FALSE;
+ }
+ if (Handled) {
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV);
+ checkGLcall("GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE4_NV");
+ return;
+ }
+#endif /* GL_NV_texture_env_combine4 */
+
+ /* After all the extensions, if still unhandled, report fixme */
+ FIXME("Unhandled texture operation %d\n", op);
+}
+#endif
