diff options
| author | jtg <jtg> | 1999-08-19 00:55:39 +0000 |
|---|---|---|
| committer | jtg <jtg> | 1999-08-19 00:55:39 +0000 |
| commit | afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c (patch) | |
| tree | 59d65b4da12fb5379224cf5f6b808fde91523c7f /src/mesa/drivers/d3d/D3DCAPS.CPP | |
| parent | f2544d4920ce168bec9cd94d774b7ea5103a3d74 (diff) | |
Initial revision
Diffstat (limited to 'src/mesa/drivers/d3d/D3DCAPS.CPP')
| -rw-r--r-- | src/mesa/drivers/d3d/D3DCAPS.CPP | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/mesa/drivers/d3d/D3DCAPS.CPP b/src/mesa/drivers/d3d/D3DCAPS.CPP new file mode 100644 index 00000000000..53595f0c34e --- /dev/null +++ b/src/mesa/drivers/d3d/D3DCAPS.CPP @@ -0,0 +1,251 @@ +/*===========================================================================*/
+/* */
+/* Mesa-3.0 DirectX 6 Driver Build 5 */
+/* */
+/* By Leigh McRae */
+/* */
+/* http://www.altsoftware.com/ */
+/* */
+/* Copyright (c) 1999-1998 alt.software inc. All Rights Reserved */
+/*===========================================================================*/
+#include "D3DHAL.h"
+/*===========================================================================*/
+/* Macros. */
+/*===========================================================================*/
+#define SRCBLEND_MAP(gl,d3d,fall) if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwSrcBlendCaps & d3d ) \
+ { \
+ sprintf( buffer, "SRC Blend: %s -> %s", # gl, # d3d ); \
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), buffer )); \
+ pShared->dwSrcBlendCaps[index] = d3d; \
+ } \
+ else \
+ { \
+ sprintf( buffer, "SRC Blend: %s -> %s", # gl, # fall ); \
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), buffer )); \
+ pShared->dwSrcBlendCaps[index] = fall; \
+ }
+#define DSTBLEND_MAP(gl,d3d,fall) if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwDestBlendCaps & d3d ) \
+ { \
+ sprintf( buffer, "DST Blend: %s -> %s", # gl, # d3d ); \
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), buffer )); \
+ pShared->dwDestBlendCaps[index] = d3d; \
+ } \
+ else \
+ { \
+ sprintf( buffer, "DST Blend: %s -> %s", # gl, # fall ); \
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), buffer )); \
+ pShared->dwDestBlendCaps[index] = fall; \
+ }
+
+/*===========================================================================*/
+/* I use this function to handle the fact that the D3D texture blending and */
+/* OpenGL texture blending functions don't map one to one. Also there is the*/
+/* problem with cards not supporting all the D3D functions. So I use the CAPS*/
+/* of the card to make a table of functions that will have defaults for the */
+/* unsupported functions. */
+/* So first I fill the table with the fallback function then I check to see */
+/* if the card supports the requested function. If it does I replace the */
+/* default thats already in the array. Now order does matter as I used an */
+/* enum type in D3DShared.h so that the mapping would be a little easier. */
+/*===========================================================================*/
+/* RETURN: */
+/*===========================================================================*/
+void AlphaBlendTableHAL( PMESAD3DHAL pHAL )
+{
+ PMESAD3DSHARED pShared = &pHAL->shared;
+ int index;
+ char buffer[128];
+
+ DPF(( DBG_FUNC, "AlphaBlendTableHAL();" ));
+
+ /* Make the fallback for the Source blend. */
+ for( index = 0; index < 14; index++ )
+ {
+ switch( index )
+ {
+ case s_zero:
+ SRCBLEND_MAP( GL_ZERO, D3DBLEND_ZERO, D3DBLEND_ONE );
+ break;
+ case s_one:
+ SRCBLEND_MAP( GL_ONE, D3DBLEND_ONE, D3DBLEND_ONE );
+ break;
+ case s_dst_color:
+ SRCBLEND_MAP( GL_DST_COLOR, D3DBLEND_DESTCOLOR, D3DBLEND_ONE );
+ break;
+ case s_one_minus_dst_color:
+ SRCBLEND_MAP( GL_ONE_MINUS_DST_COLOR, D3DBLEND_INVDESTCOLOR, D3DBLEND_ONE );
+ break;
+ case s_src_alpha:
+ SRCBLEND_MAP( GL_SRC_ALPHA, D3DBLEND_SRCALPHA, D3DBLEND_ONE );
+ break;
+ case s_one_minus_src_alpha:
+ SRCBLEND_MAP( GL_ONE_MINUS_SRC_ALPHA, D3DBLEND_INVSRCALPHA, D3DBLEND_ONE );
+ break;
+ case s_dst_alpha:
+ SRCBLEND_MAP( GL_DST_ALPHA, D3DBLEND_DESTALPHA, D3DBLEND_ONE );
+ break;
+ case s_one_minus_dst_alpha:
+ SRCBLEND_MAP( GL_ONE_MINUS_DST_ALPHA, D3DBLEND_INVDESTALPHA, D3DBLEND_ONE );
+ break;
+ case s_src_alpha_saturate:
+ SRCBLEND_MAP( GL_SRC_ALPHA_SATURATE, D3DBLEND_SRCALPHASAT, D3DBLEND_ONE );
+ break;
+ case s_constant_color:
+ SRCBLEND_MAP( GL_CONSTANT_COLOR, D3DBLEND_SRCCOLOR, D3DBLEND_ONE );
+ break;
+ case s_one_minus_constant_color:
+ SRCBLEND_MAP( GL_ONE_MINUS_CONSTANT_COLOR, D3DBLEND_INVSRCCOLOR, D3DBLEND_ONE );
+ break;
+ case s_constant_alpha:
+ SRCBLEND_MAP( GL_CONSTANT_ALPHA, D3DBLEND_BOTHSRCALPHA, D3DBLEND_ONE );
+ break;
+ case s_one_minus_constant_alpha:
+ SRCBLEND_MAP( GL_ONE_MINUS_CONSTANT_ALPHA, D3DBLEND_BOTHINVSRCALPHA, D3DBLEND_ONE );
+ break;
+ }
+ }
+
+ /* Make the fallback for the Destination blend. */
+ for( index = 0; index < 14; index++ )
+ {
+ switch( index )
+ {
+ case d_zero:
+ DSTBLEND_MAP( GL_ZERO, D3DBLEND_ZERO, D3DBLEND_ONE );
+ break;
+ case d_one:
+ DSTBLEND_MAP( GL_ONE, D3DBLEND_ONE, D3DBLEND_ONE );
+ break;
+ case d_src_color:
+ DSTBLEND_MAP( GL_SRC_COLOR, D3DBLEND_SRCCOLOR, D3DBLEND_ONE );
+ break;
+ case d_one_minus_src_color:
+ DSTBLEND_MAP( GL_ONE_MINUS_SRC_COLOR, D3DBLEND_INVSRCCOLOR, D3DBLEND_ONE );
+ break;
+ case d_src_alpha:
+ DSTBLEND_MAP( GL_SRC_ALPHA, D3DBLEND_SRCALPHA, D3DBLEND_ONE );
+ break;
+ case d_one_minus_src_alpha:
+ DSTBLEND_MAP( GL_ONE_MINUS_SRC_ALPHA, D3DBLEND_INVSRCALPHA, D3DBLEND_ONE );
+ break;
+ case d_dst_alpha:
+ DSTBLEND_MAP( GL_DST_ALPHA, D3DBLEND_DESTALPHA, D3DBLEND_ONE );
+ break;
+ case d_one_minus_dst_alpha:
+ DSTBLEND_MAP( GL_ONE_MINUS_DST_ALPHA, D3DBLEND_INVDESTALPHA, D3DBLEND_ONE );
+ break;
+ case d_constant_color:
+ DSTBLEND_MAP( GL_CONSTANT_COLOR, D3DBLEND_DESTCOLOR, D3DBLEND_ONE );
+ break;
+ case d_one_minus_constant_color:
+ DSTBLEND_MAP( GL_ONE_MINUS_CONSTANT_COLOR, D3DBLEND_INVDESTCOLOR, D3DBLEND_ONE );
+ break;
+ case d_constant_alpha:
+ DSTBLEND_MAP( GL_CONSTANT_ALPHAR, D3DBLEND_BOTHSRCALPHA, D3DBLEND_ONE );
+ break;
+ case d_one_minus_constant_alpha:
+ DSTBLEND_MAP( GL_ONE_MINUS_CONSTANT_ALPHA, D3DBLEND_BOTHINVSRCALPHA, D3DBLEND_ONE );
+ break;
+ }
+ }
+
+ /* Make the fallbacks for the texture functions. */
+ for( index = 0; index < 4; index++ )
+ {
+ switch( index )
+ {
+ case d3dtblend_decal:
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_DECAL )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECAL -> D3DTBLEND_DECAL" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_DECAL;
+ }
+ else
+ {
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_MODULATE )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECAL -> D3DTBLEND_MODULATE" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_MODULATE;
+ }
+ else
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECAL -> D3DTBLEND_ADD" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_ADD;
+ }
+ }
+ break;
+ case d3dtblend_decalalpha:
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_DECALALPHA )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECALALPHA -> D3DTBLEND_DECALALPHA" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_DECALALPHA;
+ }
+ else
+ {
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_DECAL )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECALALPA -> D3DTBLEND_DECAL" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_DECAL;
+ }
+ else
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_DECALALPHA -> D3DTBLEND_ADD" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_ADD;
+ }
+ }
+ break;
+ case d3dtblend_modulate:
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_MODULATE )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATE -> D3DTBLEND_MODULATE" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_MODULATE;
+ }
+ else
+ {
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_MODULATEALPHA )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATE -> D3DTBLEND_MODULATEALPHA" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_MODULATEALPHA;
+ }
+ else if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_DECAL )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATE -> D3DTBLEND_DECAL" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_DECAL;
+ }
+ else
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATE -> D3DTBLEND_ADD" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_ADD;
+ }
+ }
+ break;
+ case d3dtblend_modulatealpha:
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_MODULATEALPHA )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATEALPHA -> D3DTBLEND_MODULATEALPHA" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_MODULATEALPHA;
+ }
+ else
+ {
+ if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_MODULATE )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATEALPHA -> D3DTBLEND_MODULATE" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_MODULATE;
+ }
+ else if ( pHAL->D3DHWDevDesc.dpcTriCaps.dwTextureBlendCaps & D3DTBLEND_DECAL )
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATEALPHA -> D3DTBLEND_DECALE" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_DECAL;
+ }
+ else
+ {
+ DPF(( (DBG_CNTX_INFO|DBG_TXT_INFO), "D3DTBLEND_MODULATEALPHA -> D3DTBLEND_ADD" ));
+ pShared->dwTexFunc[index] = D3DTBLEND_ADD;
+ }
+ }
+ break;
+ }
+ }
+}
+
+
\ No newline at end of file |