PsychError SCREENPreference(void) { PsychArgFormatType arg1Type; char *preferenceName, *newFontName; const char *tableCreator, *oldDefaultFontName; Boolean preferenceNameArgumentValid, booleanInput, ignoreCase, tempFlag, textAlphaBlendingFlag, suppressAllWarningsFlag; int numInputArgs, i, newFontStyleNumber, newFontSize, tempInt; double returnDoubleValue, inputDoubleValue; //all sub functions should have these two lines PsychPushHelp(useString, synopsisString,seeAlsoString); if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);}; //check for superfluous or missing arguments PsychErrorExit(PsychCapNumInputArgs(3)); PsychErrorExit(PsychRequireNumInputArgs(1)); PsychErrorExit(PsychCapNumOutputArgs(1)); numInputArgs=PsychGetNumInputArgs(); arg1Type=PsychGetArgType(1); preferenceNameArgumentValid=FALSE; //Cases which require both a window pointer or screen number and preference name. Argument 1 is the wposn and argument 2 is the preference name. if( numInputArgs >= 2 && (PsychIsScreenNumberArg(1) || PsychIsScreenNumberArg(1)) && PsychGetArgType(2)==PsychArgType_char ){ PsychAllocInCharArg(2, kPsychArgRequired, &preferenceName); //preferences which require window pointer or screen number argument which we DO NOT support for(i=0;i<kPsychNumUnsupportedMacVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //insert here conditionals to act on prefernces which accept a window pointer or screen number argument which we DO support. PsychErrorExit(PsychError_unrecognizedPreferenceName); } //Cases which do not require a wposn. Argument 1 is the preference name. if present Argument 2 is the new value if(arg1Type==PsychArgType_char){ PsychAllocInCharArg(1, kPsychArgRequired, &preferenceName); //Preferernces which we do not support and which do not require a wposn for(i=0;i<kPsychNumUnsupportedMacNonVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacNonVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //Preferences which we do support if(PsychMatch(preferenceName, "IgnoreCase")){ ignoreCase=!PsychIsPsychMatchCaseSensitive(); PsychCopyOutFlagArg(1, kPsychArgOptional, ignoreCase); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychSetPsychMatchCaseSenstive(!booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Tick0Secs")){ if(PsychCopyInDoubleArg(2, kPsychArgOptional, &inputDoubleValue) && inputDoubleValue==PsychGetNanValue()) PsychEstimateGetSecsValueAtTickCountZero(); returnDoubleValue=PsychGetEstimatedSecsValueAtTickCountZero(); PsychCopyOutDoubleArg(1, kPsychArgOptional, returnDoubleValue); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableVersion")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)PsychPrefStateGet_PsychTableVersion()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableCreator")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); tableCreator=PsychPrefStateGet_PsychTableCreator(); PsychCopyOutCharArg(1, kPsychArgOptional, tableCreator); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Process")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)getpid()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontName")){ PsychPrefStateGet_DefaultFontName(&oldDefaultFontName); PsychCopyOutCharArg(1, kPsychArgOptional, oldDefaultFontName); if(numInputArgs==2){ PsychAllocInCharArg(2, kPsychArgRequired, &newFontName); PsychPrefStateSet_DefaultFontName(newFontName); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontStyle")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextStyle()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontStyleNumber); PsychPrefStateSet_DefaultTextStyle(newFontStyleNumber); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultTextYPositionIsBaseline")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextYPositionIsBaseline()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextYPositionIsBaseline(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontSize")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextSize()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontSize); PsychPrefStateSet_DefaultTextSize(newFontSize); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DebugMakeTexture")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DebugMakeTexture()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_DebugMakeTexture(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SkipSyncTests")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_SkipSyncTests()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_SkipSyncTests(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VisualDebugLevel")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VisualDebugLevel()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VisualDebugLevel(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VBLTimestampingMode")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLTimestampingMode()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VBLTimestampingMode(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "ConserveVRAM")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_ConserveVRAM()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_ConserveVRAM(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Verbosity")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_Verbosity()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_Verbosity(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "EmulateOldPTB")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_EmulateOldPTB()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_EmulateOldPTB(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Enable3DGraphics")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_3DGfx()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_3DGfx(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextAlphaBlending")){ textAlphaBlendingFlag=PsychPrefStateGet_TextAlphaBlending(); PsychCopyOutFlagArg(1, kPsychArgOptional, textAlphaBlendingFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_TextAlphaBlending(booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SuppressAllWarnings")){ suppressAllWarningsFlag=PsychPrefStateGet_SuppressAllWarnings(); PsychCopyOutFlagArg(1, kPsychArgOptional, suppressAllWarningsFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_SuppressAllWarnings(booleanInput); } preferenceNameArgumentValid=TRUE; }else PsychErrorExit(PsychError_unrecognizedPreferenceName); } if(!preferenceNameArgumentValid) PsychErrorExitMsg(PsychError_user, "Invalid arguments to preferences command"); return(PsychError_none); }
PsychError SCREENDrawDots(void) { PsychWindowRecordType *windowRecord, *parentWindowRecord; int m,n,p,mc,nc,idot_type; int i, nrpoints, nrsize; psych_bool isArgThere, usecolorvector, isdoublecolors, isuint8colors; double *xy, *size, *center, *dot_type, *colors; float *sizef; unsigned char *bytecolors; GLfloat pointsizerange[2]; psych_bool lenient = FALSE; psych_bool usePointSizeArray = FALSE; static psych_bool nocando = FALSE; int oldverbosity; // All sub functions should have these two lines PsychPushHelp(useString, synopsisString,seeAlsoString); if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);}; // Check for superfluous arguments PsychErrorExit(PsychCapNumInputArgs(7)); //The maximum number of inputs PsychErrorExit(PsychCapNumOutputArgs(4)); //The maximum number of outputs // Get the window record from the window record argument and get info from the window record PsychAllocInWindowRecordArg(1, kPsychArgRequired, &windowRecord); // Get dot_type argument, if any, as it is already needed for a pure point size range query below: isArgThere = PsychIsArgPresent(PsychArgIn, 6); if(!isArgThere){ idot_type = 0; } else { PsychAllocInDoubleMatArg(6, TRUE, &m, &n, &p, &dot_type); if(p != 1 || n != 1 || m != 1 || (dot_type[0] < 0 || dot_type[0] > 4)) PsychErrorExitMsg(PsychError_user, "dot_type must be 0, 1, 2, 3 or 4"); idot_type = (int) dot_type[0]; } // Query for supported point size range? if (PsychGetNumOutputArgs() > 0) { PsychSetDrawingTarget(windowRecord); // Always query and return aliased range: glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, (GLfloat*) &pointsizerange); PsychCopyOutDoubleArg(3, FALSE, (double) pointsizerange[0]); PsychCopyOutDoubleArg(4, FALSE, (double) pointsizerange[1]); // If driver supports smooth points and usercode doesn't specify a dot type (idot_type 0) // or does not request shader + point-sprite based drawing then return smooth point // size range as "smooth point size range" - query and assign it. Otherwise, ie., code // explicitely wants to use a shader (idot_type >= 3) or has to use one, we will use // point-sprites and that means the GL_ALIASED_POINT_SIZE_RANGE limits apply also to // our shader based smooth dots, so return those: if ((windowRecord->gfxcaps & kPsychGfxCapSmoothPrimitives) && (idot_type < 3)) glGetFloatv(GL_POINT_SIZE_RANGE, (GLfloat*) &pointsizerange); // Whatever the final choice for smooth dots is, return its limits: PsychCopyOutDoubleArg(1, FALSE, (double) pointsizerange[0]); PsychCopyOutDoubleArg(2, FALSE, (double) pointsizerange[1]); // If this was only a query then we are done: if (PsychGetNumInputArgs() < 2) return(PsychError_none); } // Query, allocate and copy in all vectors... nrpoints = 2; nrsize = 0; colors = NULL; bytecolors = NULL; PsychPrepareRenderBatch(windowRecord, 2, &nrpoints, &xy, 4, &nc, &mc, &colors, &bytecolors, 3, &nrsize, &size, (GL_FLOAT == PsychGLFloatType(windowRecord))); isdoublecolors = (colors) ? TRUE:FALSE; isuint8colors = (bytecolors) ? TRUE:FALSE; usecolorvector = (nc>1) ? TRUE:FALSE; // Assign sizef as float-type array of sizes, if float mode active, NULL otherwise: sizef = (GL_FLOAT == PsychGLFloatType(windowRecord)) ? (float*) size : NULL; // Get center argument isArgThere = PsychIsArgPresent(PsychArgIn, 5); if(!isArgThere){ center = (double *) PsychMallocTemp(2 * sizeof(double)); center[0] = 0; center[1] = 0; } else { PsychAllocInDoubleMatArg(5, TRUE, &m, &n, &p, ¢er); if(p!=1 || n!=2 || m!=1) PsychErrorExitMsg(PsychError_user, "center must be a 1-by-2 vector"); } // Turn on antialiasing to draw circles? Or idot_type 4 for shader based square dots? if (idot_type) { // Smooth point rendering supported by gfx-driver and hardware? And user does not request our own stuff? if ((idot_type == 3) || (idot_type == 4) || !(windowRecord->gfxcaps & kPsychGfxCapSmoothPrimitives)) { // No. Need to roll our own shader + point sprite solution. if (!windowRecord->smoothPointShader && !nocando) { parentWindowRecord = PsychGetParentWindow(windowRecord); if (!parentWindowRecord->smoothPointShader) { // Build and assign shader to parent window, but allow this to silently fail: oldverbosity = PsychPrefStateGet_Verbosity(); PsychPrefStateSet_Verbosity(0); parentWindowRecord->smoothPointShader = PsychCreateGLSLProgram(PointSmoothFragmentShaderSrc, PointSmoothVertexShaderSrc, NULL); PsychPrefStateSet_Verbosity(oldverbosity); } if (parentWindowRecord->smoothPointShader) { // Got one compiled - assign it for use: windowRecord->smoothPointShader = parentWindowRecord->smoothPointShader; } else { // Failed. Record this failure so we can avoid retrying at next DrawDots invocation: nocando = TRUE; } } if (windowRecord->smoothPointShader) { // Activate point smooth shader, and point sprite operation on texunit 1 for coordinates on set 1: PsychSetShader(windowRecord, windowRecord->smoothPointShader); glActiveTexture(GL_TEXTURE1); glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE); glActiveTexture(GL_TEXTURE0); glEnable(GL_POINT_SPRITE); // Tell shader from where to get its color information: Unclamped high precision colors from texture coordinate set 0, or regular colors from vertex color attribute? glUniform1i(glGetUniformLocation(windowRecord->smoothPointShader, "useUnclampedFragColor"), (windowRecord->defaultDrawShader) ? 1 : 0); // Tell shader if it should shade smooth round dots, or square dots: glUniform1i(glGetUniformLocation(windowRecord->smoothPointShader, "drawRoundDots"), (idot_type != 4) ? 1 : 0); // Tell shader about current point size in pointSize uniform: glEnable(GL_PROGRAM_POINT_SIZE); usePointSizeArray = TRUE; } else if (idot_type != 4) { // Game over for round dot drawing: PsychErrorExitMsg(PsychError_user, "Point smoothing unsupported on your system and our shader based implementation failed as well in Screen('DrawDots')."); } else { // Type 4 requested but unsupported. Fallback to type 0, which is the same, just slower: idot_type = 0; } // Request square dots, without anti-aliasing: Better compatibility with // shader + point sprite operation, and needed for idot_type 0 fallback. glDisable(GL_POINT_SMOOTH); glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, (GLfloat*) &pointsizerange); } else { // User wants hw anti-aliased round smooth dots (idot_type = 1 or 2) and // hardware + driver support this. Request smooth points from hardware: glEnable(GL_POINT_SMOOTH); glGetFloatv(GL_POINT_SIZE_RANGE, (GLfloat*) &pointsizerange); // A dot type of 2 requests highest quality point smoothing: glHint(GL_POINT_SMOOTH_HINT, (idot_type > 1) ? GL_NICEST : GL_DONT_CARE); } } else { glDisable(GL_POINT_SMOOTH); glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, (GLfloat*) &pointsizerange); } // Does ES-GPU only support a fixed point diameter of 1 pixel? if ((pointsizerange[1] <= 1) && PsychIsGLES(windowRecord)) { // Yes. Not much point bailing on this, as it should be easily visible // during testing of a studies code on a OpenGL-ES device. lenient = TRUE; } // Accept optional 'lenient' flag, if provided: PsychCopyInFlagArg(7, FALSE, &lenient); // Set size of a single dot: if (!lenient && ((sizef && (sizef[0] > pointsizerange[1] || sizef[0] < pointsizerange[0])) || (!sizef && (size[0] > pointsizerange[1] || size[0] < pointsizerange[0])))) { printf("PTB-ERROR: You requested a point size of %f units, which is not in the range (%f to %f) supported by your graphics hardware.\n", (sizef) ? sizef[0] : size[0], pointsizerange[0], pointsizerange[1]); PsychErrorExitMsg(PsychError_user, "Unsupported point size requested in Screen('DrawDots')."); } // Setup initial common point size for all points: if (!usePointSizeArray) glPointSize((sizef) ? sizef[0] : (float) size[0]); if (usePointSizeArray) glMultiTexCoord1f(GL_TEXTURE2, (sizef) ? sizef[0] : (float) size[0]); // Setup modelview matrix to perform translation by 'center': glMatrixMode(GL_MODELVIEW); // Make a backup copy of the matrix: glPushMatrix(); // Apply a global translation of (center(x,y)) pixels to all following points: glTranslatef((float) center[0], (float) center[1], 0); // Render the array of 2D-Points - Efficient version: // This command sequence allows fast processing of whole arrays // of vertices (or points, in this case). It saves the call overhead // associated with the original implementation below and is potentially // optimized in specific OpenGL implementations. // Pass a pointer to the start of the point-coordinate array: glVertexPointer(2, PSYCHGLFLOAT, 0, &xy[0]); // Enable fast rendering of arrays: glEnableClientState(GL_VERTEX_ARRAY); if (usecolorvector) { PsychSetupVertexColorArrays(windowRecord, TRUE, mc, colors, bytecolors); } // Render all n points, starting at point 0, render them as POINTS: if ((nrsize == 1) || usePointSizeArray) { // Only one common size provided, or efficient shader based // path in use. We can use the fast path of only submitting // one glDrawArrays call to draw all GL_POINTS. For a single // common size, no further setup is needed. if (nrsize > 1) { // Individual size for each dot provided. Setup texture unit 2 // with a 1D texcoord array that stores per point size info in // texture coordinate set 2. But first validate point sizes: for (i = 0; i < nrpoints; i++) { if (!lenient && ((sizef && (sizef[i] > pointsizerange[1] || sizef[i] < pointsizerange[0])) || (!sizef && (size[i] > pointsizerange[1] || size[i] < pointsizerange[0])))) { printf("PTB-ERROR: You requested a point size of %f units, which is not in the range (%f to %f) supported by your graphics hardware.\n", (sizef) ? sizef[i] : size[i], pointsizerange[0], pointsizerange[1]); PsychErrorExitMsg(PsychError_user, "Unsupported point size requested in Screen('DrawDots')."); } } // Sizes are fine, setup texunit 2: glClientActiveTexture(GL_TEXTURE2); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glTexCoordPointer(1, (sizef) ? GL_FLOAT : GL_DOUBLE, 0, (sizef) ? (const GLvoid*) sizef : (const GLvoid*) size); } // Draw all points: glDrawArrays(GL_POINTS, 0, nrpoints); if (nrsize > 1) { // Individual size for each dot provided. Reset texture unit 2: glTexCoordPointer(1, (sizef) ? GL_FLOAT : GL_DOUBLE, 0, (const GLvoid*) NULL); glDisableClientState(GL_TEXTURE_COORD_ARRAY); // Back to default texunit 0: glClientActiveTexture(GL_TEXTURE0); } } else { // Different size for each dot provided and we can't use our shader based implementation: // We have to do One GL - call per dot: for (i=0; i<nrpoints; i++) { if (!lenient && ((sizef && (sizef[i] > pointsizerange[1] || sizef[i] < pointsizerange[0])) || (!sizef && (size[i] > pointsizerange[1] || size[i] < pointsizerange[0])))) { printf("PTB-ERROR: You requested a point size of %f units, which is not in the range (%f to %f) supported by your graphics hardware.\n", (sizef) ? sizef[i] : size[i], pointsizerange[0], pointsizerange[1]); PsychErrorExitMsg(PsychError_user, "Unsupported point size requested in Screen('DrawDots')."); } // Setup point size for this point: if (!usePointSizeArray) glPointSize((sizef) ? sizef[i] : (float) size[i]); // Render point: glDrawArrays(GL_POINTS, i, 1); } } // Disable fast rendering of arrays: glDisableClientState(GL_VERTEX_ARRAY); glVertexPointer(2, PSYCHGLFLOAT, 0, NULL); if (usecolorvector) PsychSetupVertexColorArrays(windowRecord, FALSE, 0, NULL, NULL); // Restore old matrix from backup copy, undoing the global translation: glPopMatrix(); // turn off antialiasing again if (idot_type) { glDisable(GL_POINT_SMOOTH); if (windowRecord->smoothPointShader) { // Deactivate point smooth shader and point sprite operation on texunit 1: PsychSetShader(windowRecord, 0); glActiveTexture(GL_TEXTURE1); glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_FALSE); glActiveTexture(GL_TEXTURE0); glDisable(GL_POINT_SPRITE); glDisable(GL_PROGRAM_POINT_SIZE); } } // Reset pointsize to 1.0 glPointSize(1); // Mark end of drawing op. This is needed for single buffered drawing: PsychFlushGL(windowRecord); //All psychfunctions require this. return(PsychError_none); }
PsychError SCREENPreference(void) { PsychArgFormatType arg1Type; char *preferenceName, *newFontName; const char *tableCreator, *oldDefaultFontName; psych_bool preferenceNameArgumentValid, booleanInput, ignoreCase, tempFlag, textAlphaBlendingFlag, suppressAllWarningsFlag; int numInputArgs, i, newFontStyleNumber, newFontSize, tempInt, tempInt2, tempInt3, tempInt4; double returnDoubleValue, inputDoubleValue; double maxStddev, maxDeviation, maxDuration; int minSamples; double *dheads = NULL; //all sub functions should have these two lines PsychPushHelp(useString, synopsisString,seeAlsoString); if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);}; //check for superfluous or missing arguments PsychErrorExit(PsychCapNumInputArgs(5)); PsychErrorExit(PsychRequireNumInputArgs(1)); PsychErrorExit(PsychCapNumOutputArgs(4)); numInputArgs=PsychGetNumInputArgs(); arg1Type=PsychGetArgType(1); preferenceNameArgumentValid=FALSE; //Cases which require both a window pointer or screen number and preference name. Argument 1 is the wposn and argument 2 is the preference name. if( numInputArgs >= 2 && (PsychIsScreenNumberArg(1) || PsychIsScreenNumberArg(1)) && PsychGetArgType(2)==PsychArgType_char ){ PsychAllocInCharArg(2, kPsychArgRequired, &preferenceName); //preferences which require window pointer or screen number argument which we DO NOT support for(i=0;i<kPsychNumUnsupportedMacVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //insert here conditionals to act on prefernces which accept a window pointer or screen number argument which we DO support. PsychErrorExit(PsychError_unrecognizedPreferenceName); } //Cases which do not require a wposn. Argument 1 is the preference name. if present Argument 2 is the new value if(arg1Type==PsychArgType_char){ PsychAllocInCharArg(1, kPsychArgRequired, &preferenceName); //Preferernces which we do not support and which do not require a wposn for(i=0;i<kPsychNumUnsupportedMacNonVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacNonVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //Preferences which we do support if(PsychMatch(preferenceName, "IgnoreCase")){ ignoreCase=!PsychIsPsychMatchCaseSensitive(); PsychCopyOutFlagArg(1, kPsychArgOptional, ignoreCase); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychSetPsychMatchCaseSenstive(!booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Tick0Secs")){ if(PsychCopyInDoubleArg(2, kPsychArgOptional, &inputDoubleValue) && inputDoubleValue==PsychGetNanValue()) PsychEstimateGetSecsValueAtTickCountZero(); returnDoubleValue=PsychGetEstimatedSecsValueAtTickCountZero(); PsychCopyOutDoubleArg(1, kPsychArgOptional, returnDoubleValue); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableVersion")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)PsychPrefStateGet_PsychTableVersion()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableCreator")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); tableCreator=PsychPrefStateGet_PsychTableCreator(); PsychCopyOutCharArg(1, kPsychArgOptional, tableCreator); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Process")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double) (psych_int64) getpid()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontName")){ PsychPrefStateGet_DefaultFontName(&oldDefaultFontName); PsychCopyOutCharArg(1, kPsychArgOptional, oldDefaultFontName); if(numInputArgs==2){ PsychAllocInCharArg(2, kPsychArgRequired, &newFontName); PsychPrefStateSet_DefaultFontName(newFontName); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextEncodingLocale")){ PsychCopyOutCharArg(1, kPsychArgOptional, PsychGetUnicodeTextConversionLocale()); if(numInputArgs==2){ PsychAllocInCharArg(2, kPsychArgRequired, &newFontName); if (!PsychSetUnicodeTextConversionLocale(newFontName)) PsychErrorExitMsg(PsychError_user, "Setting the 'TextEncodingLocale' failed, most likely because you provided an invalid/unknown locale setting string."); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontStyle")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextStyle()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontStyleNumber); PsychPrefStateSet_DefaultTextStyle(newFontStyleNumber); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "OverrideMultimediaEngine")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_UseGStreamer()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_UseGStreamer(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultTextYPositionIsBaseline")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextYPositionIsBaseline()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextYPositionIsBaseline(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextAntiAliasing")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextAntiAliasing()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextAntiAliasing(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextRenderer")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextRenderer()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextRenderer(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontSize")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextSize()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontSize); PsychPrefStateSet_DefaultTextSize(newFontSize); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DebugMakeTexture")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DebugMakeTexture()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_DebugMakeTexture(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SkipSyncTests")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_SkipSyncTests()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_SkipSyncTests(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VisualDebugLevel")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VisualDebugLevel()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VisualDebugLevel(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VBLTimestampingMode")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLTimestampingMode()); if(numInputArgs>=2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VBLTimestampingMode(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SyncTestSettings")){ PsychPrefStateGet_SynctestThresholds(&maxStddev, &minSamples, &maxDeviation, &maxDuration); PsychCopyOutDoubleArg(1, kPsychArgOptional, maxStddev); PsychCopyOutDoubleArg(2, kPsychArgOptional, minSamples); PsychCopyOutDoubleArg(3, kPsychArgOptional, maxDeviation); PsychCopyOutDoubleArg(4, kPsychArgOptional, maxDuration); if(numInputArgs>=2){ PsychCopyInDoubleArg( 2, kPsychArgOptional, &maxStddev); PsychCopyInIntegerArg(3, kPsychArgOptional, &minSamples); PsychCopyInDoubleArg( 4, kPsychArgOptional, &maxDeviation); PsychCopyInDoubleArg( 5, kPsychArgOptional, &maxDuration); PsychPrefStateSet_SynctestThresholds(maxStddev, minSamples, maxDeviation, maxDuration); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VBLEndlineOverride")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLEndlineOverride()); if(numInputArgs>=2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VBLEndlineOverride(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultVideocaptureEngine")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VideoCaptureEngine()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VideoCaptureEngine(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "WindowShieldingLevel")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_WindowShieldingLevel()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_WindowShieldingLevel(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "ConserveVRAM") || PsychMatch(preferenceName, "Workarounds1")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_ConserveVRAM()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_ConserveVRAM(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Verbosity")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_Verbosity()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_Verbosity(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "FrameRectCorrection")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_FrameRectCorrection()); if(numInputArgs==2){ PsychCopyInDoubleArg(2, kPsychArgRequired, &inputDoubleValue); PsychPrefStateSet_FrameRectCorrection(inputDoubleValue); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "EmulateOldPTB")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_EmulateOldPTB()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_EmulateOldPTB(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Enable3DGraphics")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_3DGfx()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_3DGfx(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextAlphaBlending")){ textAlphaBlendingFlag=PsychPrefStateGet_TextAlphaBlending(); PsychCopyOutFlagArg(1, kPsychArgOptional, textAlphaBlendingFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_TextAlphaBlending(booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SuppressAllWarnings")){ suppressAllWarningsFlag=PsychPrefStateGet_SuppressAllWarnings(); PsychCopyOutFlagArg(1, kPsychArgOptional, suppressAllWarningsFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_SuppressAllWarnings(booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SynchronizeDisplays")){ if(numInputArgs >= 2) { // This is a special call: It currently doesn't set a preference setting, // but instead triggers an instantaneous synchronization of all available // display heads, if possible. We may have a more clever and "standard" interface // interface for this later on, but for first tests this will do. // Syncmethod is hard-coded to 0 -> Use whatever's available to sync. // timeout for retries is 5.0 seconds. // Acceptable residual offset is +/- 2 scanlines. // Returns the real residual offset after sync. PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); if (!PsychCopyInIntegerArg(3, kPsychArgOptional, &tempInt3)) { // No screenId specified: Resync default screen or whatever... tempInt2 = 0; if (PsychSynchronizeDisplayScreens(&tempInt2, NULL, &tempInt, tempInt, 5.0, 2)!=PsychError_none) PsychErrorExitMsg(PsychError_user, "Sync failed for reasons mentioned above."); } else { // Specific screenId provided: Resync crtc's associated with this screenId if possible: tempInt2 = 1; if (PsychSynchronizeDisplayScreens(&tempInt2, &tempInt3, &tempInt, tempInt, 5.0, 2)!=PsychError_none) PsychErrorExitMsg(PsychError_user, "Sync failed for reasons mentioned above."); } PsychCopyOutDoubleArg(1, kPsychArgOptional, tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "ScreenToHead")){ // screenId is required: PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); if (tempInt < 0 || tempInt >= PsychGetNumDisplays() || tempInt >= kPsychMaxPossibleDisplays) PsychErrorExitMsg(PsychError_user, "Invalid screenId provided. Out of valid range!"); // Return old mappings for this screenId: for (tempInt2 = 0; (tempInt2 < kPsychMaxPossibleCrtcs) && (PsychPrefStateGet_ScreenToHead(tempInt, tempInt2) >= 0); tempInt2++); PsychAllocOutDoubleMatArg(1, kPsychArgOptional, 2, tempInt2, 1, &dheads); tempInt4 = 0; for (tempInt3 = 0; tempInt3 < tempInt2; tempInt3++) { dheads[tempInt4++] = (double) PsychPrefStateGet_ScreenToHead(tempInt, tempInt3); dheads[tempInt4++] = (double) PsychPrefStateGet_ScreenToCrtcId(tempInt, tempInt3); } // Optionally retrieve and set new mappings for this screenId: if(numInputArgs>=3) { // Set new headId for screenId: PsychCopyInIntegerArg(3, kPsychArgRequired, &tempInt2); if (tempInt2 < 0) PsychErrorExitMsg(PsychError_user, "Invalid negative headId provided!"); // Set new crtcId for screenId: PsychCopyInIntegerArg(4, kPsychArgRequired, &tempInt3); if (tempInt3 < 0) PsychErrorExitMsg(PsychError_user, "Invalid negative crtcId provided!"); // Assign primary head by default (index 0), but allow optionally others as well: tempInt4 = 0; PsychCopyInIntegerArg(5, kPsychArgOptional, &tempInt4); if (tempInt4 < 0 || tempInt4 >= kPsychMaxPossibleCrtcs) PsychErrorExitMsg(PsychError_user, "Invalid rankId provided! Too many heads for one screen!"); PsychPrefStateSet_ScreenToHead(tempInt, tempInt2, tempInt3, tempInt4); } preferenceNameArgumentValid=TRUE; }else PsychErrorExit(PsychError_unrecognizedPreferenceName); } if(!preferenceNameArgumentValid) PsychErrorExitMsg(PsychError_user, "Invalid arguments to preferences command"); return(PsychError_none); }
PsychError SCREENPreference(void) { PsychArgFormatType arg1Type; char *preferenceName, *newFontName; const char *tableCreator, *oldDefaultFontName; Boolean preferenceNameArgumentValid, booleanInput, ignoreCase, tempFlag, textAlphaBlendingFlag, suppressAllWarningsFlag; int numInputArgs, i, newFontStyleNumber, newFontSize, tempInt, tempInt2, tempInt3; double returnDoubleValue, inputDoubleValue; //all sub functions should have these two lines PsychPushHelp(useString, synopsisString,seeAlsoString); if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);}; //check for superfluous or missing arguments PsychErrorExit(PsychCapNumInputArgs(3)); PsychErrorExit(PsychRequireNumInputArgs(1)); PsychErrorExit(PsychCapNumOutputArgs(1)); numInputArgs=PsychGetNumInputArgs(); arg1Type=PsychGetArgType(1); preferenceNameArgumentValid=FALSE; //Cases which require both a window pointer or screen number and preference name. Argument 1 is the wposn and argument 2 is the preference name. if( numInputArgs >= 2 && (PsychIsScreenNumberArg(1) || PsychIsScreenNumberArg(1)) && PsychGetArgType(2)==PsychArgType_char ){ PsychAllocInCharArg(2, kPsychArgRequired, &preferenceName); //preferences which require window pointer or screen number argument which we DO NOT support for(i=0;i<kPsychNumUnsupportedMacVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //insert here conditionals to act on prefernces which accept a window pointer or screen number argument which we DO support. PsychErrorExit(PsychError_unrecognizedPreferenceName); } //Cases which do not require a wposn. Argument 1 is the preference name. if present Argument 2 is the new value if(arg1Type==PsychArgType_char){ PsychAllocInCharArg(1, kPsychArgRequired, &preferenceName); //Preferernces which we do not support and which do not require a wposn for(i=0;i<kPsychNumUnsupportedMacNonVideoPreferences;i++){ if(PsychMatch(preferenceName, unsupportedMacNonVideoPreferenceNames[i])) PsychErrorExit(PsychError_unsupportedOS9Preference); } //Preferences which we do support if(PsychMatch(preferenceName, "IgnoreCase")){ ignoreCase=!PsychIsPsychMatchCaseSensitive(); PsychCopyOutFlagArg(1, kPsychArgOptional, ignoreCase); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychSetPsychMatchCaseSenstive(!booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Tick0Secs")){ if(PsychCopyInDoubleArg(2, kPsychArgOptional, &inputDoubleValue) && inputDoubleValue==PsychGetNanValue()) PsychEstimateGetSecsValueAtTickCountZero(); returnDoubleValue=PsychGetEstimatedSecsValueAtTickCountZero(); PsychCopyOutDoubleArg(1, kPsychArgOptional, returnDoubleValue); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableVersion")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)PsychPrefStateGet_PsychTableVersion()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "PsychTableCreator")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); tableCreator=PsychPrefStateGet_PsychTableCreator(); PsychCopyOutCharArg(1, kPsychArgOptional, tableCreator); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Process")){ if(numInputArgs==2) PsychErrorExit(PsychError_extraInputArg); PsychCopyOutDoubleArg(1, kPsychArgOptional, (double)getpid()); preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontName")){ PsychPrefStateGet_DefaultFontName(&oldDefaultFontName); PsychCopyOutCharArg(1, kPsychArgOptional, oldDefaultFontName); if(numInputArgs==2){ PsychAllocInCharArg(2, kPsychArgRequired, &newFontName); PsychPrefStateSet_DefaultFontName(newFontName); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontStyle")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextStyle()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontStyleNumber); PsychPrefStateSet_DefaultTextStyle(newFontStyleNumber); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultTextYPositionIsBaseline")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextYPositionIsBaseline()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextYPositionIsBaseline(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextAntiAliasing")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextAntiAliasing()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextAntiAliasing(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextRenderer")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_TextRenderer()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_TextRenderer(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultFontSize")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DefaultTextSize()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &newFontSize); PsychPrefStateSet_DefaultTextSize(newFontSize); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DebugMakeTexture")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_DebugMakeTexture()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_DebugMakeTexture(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SkipSyncTests")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_SkipSyncTests()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_SkipSyncTests(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VisualDebugLevel")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VisualDebugLevel()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VisualDebugLevel(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VBLTimestampingMode")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLTimestampingMode()); if(numInputArgs>=2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VBLTimestampingMode(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "VBLEndlineOverride")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VBLEndlineOverride()); if(numInputArgs>=2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VBLEndlineOverride(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "DefaultVideocaptureEngine")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_VideoCaptureEngine()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_VideoCaptureEngine(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "ConserveVRAM") || PsychMatch(preferenceName, "Workarounds1")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_ConserveVRAM()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_ConserveVRAM(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Verbosity")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_Verbosity()); if(numInputArgs==2){ PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); PsychPrefStateSet_Verbosity(tempInt); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "EmulateOldPTB")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_EmulateOldPTB()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_EmulateOldPTB(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "Enable3DGraphics")){ PsychCopyOutDoubleArg(1, kPsychArgOptional, PsychPrefStateGet_3DGfx()); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &tempFlag); PsychPrefStateSet_3DGfx(tempFlag); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "TextAlphaBlending")){ textAlphaBlendingFlag=PsychPrefStateGet_TextAlphaBlending(); PsychCopyOutFlagArg(1, kPsychArgOptional, textAlphaBlendingFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_TextAlphaBlending(booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SuppressAllWarnings")){ suppressAllWarningsFlag=PsychPrefStateGet_SuppressAllWarnings(); PsychCopyOutFlagArg(1, kPsychArgOptional, suppressAllWarningsFlag); if(numInputArgs==2){ PsychCopyInFlagArg(2, kPsychArgRequired, &booleanInput); PsychPrefStateSet_SuppressAllWarnings(booleanInput); } preferenceNameArgumentValid=TRUE; }else if(PsychMatch(preferenceName, "SynchronizeDisplays")){ if(numInputArgs==2){ // This is a special call: It currently doesn't set a preference setting, // but instead triggers an instantaneous synchronization of all available // display heads, if possible. We may have a more clever and "standard" interface // interface for this later on, but for first tests this will do. // Syncmethod is hard-coded to 0 -> Use whatever's available to sync. // timeout for retries is 5.0 seconds. // Acceptable residual offset is +/- 2 scanlines. // Returns the real residual offset after sync. PsychCopyInIntegerArg(2, kPsychArgRequired, &tempInt); tempInt2 = 0; if (PsychSynchronizeDisplayScreens(&tempInt2, NULL, &tempInt, tempInt, 5.0, 2)!=PsychError_none) PsychErrorExitMsg(PsychError_user, "Sync failed for reasons mentioned above."); PsychCopyOutDoubleArg(1, kPsychArgOptional, tempInt); } preferenceNameArgumentValid=TRUE; }else PsychErrorExit(PsychError_unrecognizedPreferenceName); } if(!preferenceNameArgumentValid) PsychErrorExitMsg(PsychError_user, "Invalid arguments to preferences command"); return(PsychError_none); }