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wined3d: Corrected implementation of WINED3DRS_POINTSCALEENABLE.

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Vitaly Budovski 2006-02-03 12:34:44 +01:00 committed by Alexandre Julliard
parent 4279bcc5a8
commit dbff6d59e8
1 changed files with 28 additions and 26 deletions
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54
dlls/wined3d/device.c
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@ -3495,35 +3495,37 @@ HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, D3DRENDE
case WINED3DRS_POINTSCALE_B :
case WINED3DRS_POINTSCALE_C :
case WINED3DRS_POINTSCALEENABLE :
{
/* If enabled, supply the parameters, otherwise fall back to defaults */
if (This->stateBlock->renderState[WINED3DRS_POINTSCALEENABLE]) {
GLfloat att[3] = {1.0f, 0.0f, 0.0f};
/* TODO: Correct the scaling (this hack seems to be good enough for every demo that uses point sprites!) */
att[0] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_A])/ This->stateBlock->viewport.Width;
att[1] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_B])/ This->stateBlock->viewport.Height;
att[2] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_C]) *
2.0f /(This->stateBlock->viewport.Width * This->stateBlock->viewport.Height);
{
/*
* POINTSCALEENABLE controls how point size value is treated. If set to
* true, the point size is scaled with repsect to height of viewport.
* When set to false point size is in pixels.
*
* http://msdn.microsoft.com/library/en-us/directx9_c/point_sprites.asp
*/
if (GL_SUPPORT(EXT_POINT_PARAMETERS)) {
TRACE("glPointParameterfvARB %f %f %f\n", att[0], att[1], att[2]);
GL_EXTCALL(glPointParameterfvEXT)(GL_DISTANCE_ATTENUATION_EXT, att);
checkGLcall("glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, ...);");
} else {
TRACE("WINED3DRS_POINTSCALEENABLE not supported on this opengl\n");
}
} else {
GLfloat att[3] = {1.0f, 0.0f, 0.0f};
if (GL_SUPPORT(EXT_POINT_PARAMETERS)) {
GL_EXTCALL(glPointParameterfvEXT)(GL_DISTANCE_ATTENUATION_EXT, att);
checkGLcall("glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, ...);");
} else {
TRACE("WINED3DRS_POINTSCALEENABLE not supported, but not on either\n");
}
}
break;
/* Default values */
GLfloat att[3] = {1.0f, 0.0f, 0.0f};
if(This->stateBlock->renderState[WINED3DRS_POINTSCALEENABLE]) {
att[0] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_A]) /
(This->stateBlock->viewport.Height * This->stateBlock->viewport.Height);
att[1] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_B]) /
(This->stateBlock->viewport.Height * This->stateBlock->viewport.Height);
att[2] = *((float*)&This->stateBlock->renderState[WINED3DRS_POINTSCALE_C]) /
(This->stateBlock->viewport.Height * This->stateBlock->viewport.Height);
}
if(GL_SUPPORT(ARB_POINT_PARAMETERS)) {
glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, att);
checkGLcall("glPointParameterfvARB(GL_DISTANCE_ATTENUATION_ARB, ...");
}
else if(GL_SUPPORT(EXT_POINT_PARAMETERS)) {
GL_EXTCALL(glPointParameterfvEXT)(GL_DISTANCE_ATTENUATION_EXT, att);
checkGLcall("glPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, ...");
} else {
TRACE("POINT_PARAMETERS not supported in this version of opengl\n");
}
}
case WINED3DRS_COLORWRITEENABLE :
{
TRACE("Color mask: r(%d) g(%d) b(%d) a(%d)\n",