[dx78] Software vertex shader patch
Jason Edmeades
us at the-edmeades.demon.co.uk
Thu Sep 18 16:25:35 CDT 2003
Changelog
Vertex shader output is lit and transformed, so stop GL doing it all again.
Jason
-------------- next part --------------
diff -u3 dlls/d3d8/dx77/drawprim.c dlls/d3d8/drawprim.c
--- dlls/d3d8/dx77/drawprim.c 2003-09-18 20:18:24.000000000 +0100
+++ dlls/d3d8/drawprim.c 2003-09-18 23:10:19.000000000 +0100
@@ -214,21 +214,21 @@
/* Setup views - Transformed & lit if RHW, else untransformed.
Only unlit if Normals are supplied
Returns: Whether to restore lighting afterwards */
-BOOL primitiveInitState(LPDIRECT3DDEVICE8 iface, BOOL vtx_transformed, BOOL vtx_lit) {
+BOOL primitiveInitState(LPDIRECT3DDEVICE8 iface, BOOL vtx_transformed, BOOL vtx_lit, BOOL useVS) {
BOOL isLightingOn = FALSE;
ICOM_THIS(IDirect3DDevice8Impl,iface);
/* If no normals, DISABLE lighting otherwise, dont touch lighing as it is
- set by the appropriate render state */
- if (vtx_lit) {
+ set by the appropriate render state. Note Vertex Shader output is already lit */
+ if (vtx_lit || useVS) {
isLightingOn = glIsEnabled(GL_LIGHTING);
glDisable(GL_LIGHTING);
checkGLcall("glDisable(GL_LIGHTING);");
TRACE("Disabled lighting as no normals supplied, old state = %d\n", isLightingOn);
}
- if (vtx_transformed) {
+ if (!useVS && vtx_transformed) {
/* If the last draw was transformed as well, no need to reapply all the matrixes */
if (!This->last_was_rhw) {
@@ -270,7 +270,7 @@
/* Untransformed, so relies on the view and projection matrices */
- if (This->last_was_rhw || !This->modelview_valid) {
+ if (!useVS && (This->last_was_rhw || !This->modelview_valid)) {
/* Only reapply when have to */
This->modelview_valid = TRUE;
glMatrixMode(GL_MODELVIEW);
@@ -288,7 +288,7 @@
}
}
- if (This->last_was_rhw || !This->proj_valid) {
+ if (!useVS && (This->last_was_rhw || !This->proj_valid)) {
/* Only reapply when have to */
This->proj_valid = TRUE;
glMatrixMode(GL_PROJECTION);
@@ -308,6 +308,24 @@
checkGLcall("glLoadMatrixf");
}
+ /* Vertex Shader output is already transformed, so set up identity matrices */
+ /* FIXME: Actually, only true for software emulated ones, so when h/w ones
+ come along this needs to take into account whether s/w ones were
+ requested or not */
+ if (useVS) {
+ glMatrixMode(GL_MODELVIEW);
+ checkGLcall("glMatrixMode");
+ glLoadIdentity();
+ glMatrixMode(GL_PROJECTION);
+ checkGLcall("glMatrixMode");
+ glLoadIdentity();
+ /* Window Coord 0 is the middle of the first pixel, so translate by half
+ a pixel (See comment above glTranslate above) */
+ glTranslatef(1.0/This->StateBlock->viewport.Width, -1.0/This->StateBlock->viewport.Height, 0);
+ checkGLcall("glTranslatef (1.0/width, -1.0/height, 0)");
+ This->modelview_valid = FALSE;
+ This->proj_valid = FALSE;
+ }
This->last_was_rhw = FALSE;
}
return isLightingOn;
@@ -601,7 +619,7 @@
/* Position -------------------------------- */
if (isXYZ == TRUE) {
- if (1.0f == rhw || rhw < 0.01f) {
+ if (1.0f == rhw || rhw < 0.00001f) {
VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f\n", x,y,z));
glVertex3f(x, y, z);
} else {
@@ -1166,7 +1184,7 @@
/* Position -------------------------------- */
if (sd->u.s.position.lpData != NULL) {
- if (1.0f == rhw || rhw < 0.01f) {
+ if (1.0f == rhw || rhw < 0.0001f) {
VTRACE(("Vertex: glVertex:x,y,z=%f,%f,%f\n", x,y,z));
glVertex3f(x, y, z);
} else {
@@ -1302,7 +1320,7 @@
/* Draw using this information */
draw_vertex(iface,
TRUE, x, y, z, rhw,
- FALSE, 0.0f, 0.0f, 0.0f,
+ TRUE, 0.0f, 0.0f, 1.0f,
TRUE, (float*) &vertex_shader->output.oD[0],
TRUE, (float*) &vertex_shader->output.oD[1],
FALSE, ptSize, /* FIXME: Change back when supported */
@@ -1350,7 +1368,7 @@
/** init Constants */
if (TRUE == This->UpdateStateBlock->Changed.vertexShaderConstant) {
- TRACE_(d3d_shader)("vertex shader init Constant\n");
+ TRACE_(d3d_shader)("vertex shader initializing constants\n");
IDirect3DVertexShaderImpl_SetConstantF(vertex_shader, 0, (CONST FLOAT*) &This->UpdateStateBlock->vertexShaderConstant[0], 96);
}
}
@@ -1361,7 +1379,8 @@
/* Setup transform matrices and sort out */
isLightingOn = primitiveInitState(iface,
fvf & D3DFVF_XYZRHW,
- !(fvf & D3DFVF_NORMAL));
+ !(fvf & D3DFVF_NORMAL),
+ useVertexShaderFunction);
/* Initialize all values to null */
if (useVertexShaderFunction == FALSE) {
@@ -1422,8 +1441,8 @@
idxData, idxSize, minIndex, StartIdx);
}
- /* If no normals, restore previous lighting state */
- if (!(fvf & D3DFVF_NORMAL)) {
+ /* If vertex shaders or no normals, restore previous lighting state */
+ if (useVertexShaderFunction || !(fvf & D3DFVF_NORMAL)) {
if (isLightingOn) glEnable(GL_LIGHTING);
else glDisable(GL_LIGHTING);
TRACE("Restored lighting to original state\n");
diff -u3 dlls/d3d8/dx77/vshaderdeclaration.c dlls/d3d8/vshaderdeclaration.c
--- dlls/d3d8/dx77/vshaderdeclaration.c 2003-09-18 20:18:28.000000000 +0100
+++ dlls/d3d8/vshaderdeclaration.c 2003-09-07 15:27:06.000000000 +0100
@@ -245,7 +245,7 @@
case D3DVSDT_FLOAT3: fvf |= D3DFVF_XYZ; break;
case D3DVSDT_FLOAT4: fvf |= D3DFVF_XYZRHW; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
if (type >= MAX_VSHADER_DECL_TYPES) {
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_POSITION register: unsupported and unrecognized type %08lx\n", type);
@@ -262,7 +262,7 @@
case D3DVSDT_FLOAT3: fvf |= D3DFVF_XYZB3; break;
case D3DVSDT_FLOAT4: fvf |= D3DFVF_XYZB4; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_BLENDWEIGHT register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -272,7 +272,7 @@
switch (type) {
case D3DVSDT_UBYTE4: fvf |= D3DFVF_LASTBETA_UBYTE4; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_BLENDINDINCES register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -282,7 +282,7 @@
switch (type) {
case D3DVSDT_FLOAT3: fvf |= D3DFVF_NORMAL; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_NORMAL register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -292,7 +292,7 @@
switch (type) {
case D3DVSDT_FLOAT1: fvf |= D3DFVF_PSIZE; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_PSIZE register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -302,7 +302,7 @@
switch (type) {
case D3DVSDT_D3DCOLOR: fvf |= D3DFVF_DIFFUSE; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_DIFFUSE register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -312,7 +312,7 @@
switch (type) {
case D3DVSDT_D3DCOLOR: fvf |= D3DFVF_SPECULAR; break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_SPECULAR register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -336,7 +336,7 @@
case D3DVSDT_FLOAT3: fvf |= D3DFVF_TEXCOORDSIZE3(texNo); break;
case D3DVSDT_FLOAT4: fvf |= D3DFVF_TEXCOORDSIZE4(texNo); break;
default:
- /** errooooorr mismatched use of a register, invalid fvf computing */
+ /** Mismatched use of a register, invalid for fixed function fvf computing (ok for VS) */
invalid_fvf = TRUE;
TRACE("Mismatched use in VertexShader declaration of D3DVSDE_TEXCOORD? register: unsupported type %s\n", VertexShaderDeclDataTypes[type]);
}
@@ -345,7 +345,7 @@
case D3DVSDE_POSITION2: /* maybe D3DFVF_XYZRHW instead D3DFVF_XYZ (of D3DVDE_POSITION) ... to see */
case D3DVSDE_NORMAL2: /* FIXME i don't know what to do here ;( */
- TRACE("[%lu] registers in VertexShader declaration not supported yet (token:0x%08lx)\n", reg, token);
+ FIXME("[%lu] registers in VertexShader declaration not supported yet (token:0x%08lx)\n", reg, token);
break;
}
TRACE("VertexShader declaration define %lx as current FVF\n", fvf);
@@ -442,6 +442,7 @@
} else if (D3DVSD_TOKEN_STREAMDATA == tokentype && 0 != (0x10000000 & tokentype)) {
/** skip datas */
DWORD skipCount = ((token & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT);
+ TRACE(" skipping %d dwords\n", skipCount);
curPos = curPos + skipCount * sizeof(DWORD);
++pToken;
@@ -450,6 +451,7 @@
DWORD reg = ((token & D3DVSD_VERTEXREGMASK) >> D3DVSD_VERTEXREGSHIFT);
++pToken;
+ TRACE(" type : %d, reg = %d\n", type, reg);
switch (type) {
case D3DVSDT_FLOAT1:
x = *(float*) curPos;
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