guestrendering/guestegl/src/egldebug.cpp
branchbug235_bringup_0
changeset 13 220791dae4c4
equal deleted inserted replaced
12:a4c94be9fb92 13:220791dae4c4
       
     1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Guest egl implementation debugging support
       
    15 
       
    16 #include <e32debug.h>
       
    17 #include "eglapi.h"
       
    18 
       
    19 
       
    20 #ifdef _DEBUG
       
    21 
       
    22 // These functions help with verbose debug logging of EGL Attibutes
       
    23 
       
    24 // Try to get an attribute name string, and a description of the value - switch statements can be extended for later EGL versions
       
    25 void TAttribUtils::TraceAttribNames(EGLint aAttrib, EGLint aValue, char** aAttrName, char** aValueName)
       
    26 	{
       
    27 	char* attrName = NULL;
       
    28 	char* valueName = NULL;
       
    29 	switch (aAttrib)
       
    30 		{
       
    31 		case EGL_BUFFER_SIZE: attrName = "EGL_BUFFER_SIZE"; break;
       
    32 		case EGL_ALPHA_SIZE: attrName = "EGL_ALPHA_SIZE"; break;
       
    33 		case EGL_BLUE_SIZE: attrName = "EGL_BLUE_SIZE"; break;
       
    34 		case EGL_GREEN_SIZE: attrName = "EGL_GREEN_SIZE"; break;
       
    35 		case EGL_RED_SIZE: attrName = "EGL_RED_SIZE"; break;
       
    36 		case EGL_DEPTH_SIZE: attrName = "EGL_DEPTH_SIZE"; break;
       
    37 		case EGL_STENCIL_SIZE: attrName = "EGL_STENCIL_SIZE"; break;
       
    38 		case EGL_CONFIG_CAVEAT: attrName = "EGL_CONFIG_CAVEAT";
       
    39 			switch (aValue)
       
    40 				{
       
    41 				// Config attribute values
       
    42 				case EGL_SLOW_CONFIG: valueName = "EGL_SLOW_CONFIG"; break;
       
    43 				case EGL_NON_CONFORMANT_CONFIG: valueName = "EGL_NON_CONFORMANT_CONFIG"; break;
       
    44 				}
       
    45 			break;
       
    46 		case EGL_CONFIG_ID: attrName = "EGL_CONFIG_ID"; break;
       
    47 		case EGL_LEVEL: attrName = "EGL_LEVEL"; break;
       
    48 		case EGL_MAX_PBUFFER_HEIGHT: attrName = "EGL_MAX_PBUFFER_HEIGHT"; break;
       
    49 		case EGL_MAX_PBUFFER_PIXELS: attrName = "EGL_MAX_PBUFFER_PIXELS"; break;
       
    50 		case EGL_MAX_PBUFFER_WIDTH: attrName = "EGL_MAX_PBUFFER_WIDTH"; break;
       
    51 		case EGL_NATIVE_RENDERABLE: attrName = "EGL_NATIVE_RENDERABLE"; break;
       
    52 		case EGL_NATIVE_VISUAL_ID: attrName = "EGL_NATIVE_VISUAL_ID"; break;
       
    53 		case EGL_NATIVE_VISUAL_TYPE: attrName = "EGL_NATIVE_VISUAL_TYPE"; break;
       
    54 		case EGL_PRESERVED_RESOURCES: attrName = "EGL_PRESERVED_RESOURCES"; break;
       
    55 		case EGL_SAMPLES: attrName = "EGL_SAMPLES"; break;
       
    56 		case EGL_SAMPLE_BUFFERS: attrName = "EGL_SAMPLE_BUFFERS"; break;
       
    57 		case EGL_SURFACE_TYPE: attrName = "EGL_SURFACE_TYPE";
       
    58 			switch(aValue & 7)
       
    59 				{
       
    60 				case 0: valueName = "* | EGL_NONE"; break;
       
    61 				case 1: valueName = "* | PBUFFER"; break; // EGL_PBUFFER_BIT
       
    62 				case 2: valueName = "* | PIXMAP"; break; // EGL_PIXMAP_BIT
       
    63 				case 3: valueName = "* | PIXMAP | PBUFFER"; break;
       
    64 				case 4: valueName = "* | WINDOW"; break; // EGL_WINDOW_BIT
       
    65 				case 5: valueName = "* | WINDOW | PBUFFER"; break;
       
    66 				case 6: valueName = "* | WINDOW | PIXMAP"; break;
       
    67 				case 7: valueName = "* | WINDOW | PIXMAP | PBUFFER"; break;
       
    68 				}
       
    69 			break;
       
    70 		case EGL_TRANSPARENT_TYPE: attrName = "EGL_TRANSPARENT_TYPE";
       
    71 			if (aValue == EGL_TRANSPARENT_RGB)
       
    72 				valueName = "EGL_TRANSPARENT_RGB";
       
    73 			break;
       
    74 		case EGL_TRANSPARENT_BLUE_VALUE: attrName = "EGL_TRANSPARENT_BLUE_VALUE"; break;
       
    75 		case EGL_TRANSPARENT_GREEN_VALUE: attrName = "EGL_TRANSPARENT_GREEN_VALUE"; break;
       
    76 		case EGL_TRANSPARENT_RED_VALUE: attrName = "EGL_TRANSPARENT_RED_VALUE"; break;
       
    77 		case EGL_BIND_TO_TEXTURE_RGB: attrName = "EGL_BIND_TO_TEXTURE_RGB"; break;
       
    78 		case EGL_BIND_TO_TEXTURE_RGBA: attrName = "EGL_BIND_TO_TEXTURE_RGBA"; break;
       
    79 		case EGL_MIN_SWAP_INTERVAL: attrName = "EGL_MIN_SWAP_INTERVAL"; break;
       
    80 		case EGL_MAX_SWAP_INTERVAL: attrName = "EGL_MAX_SWAP_INTERVAL"; break;
       
    81 		case EGL_LUMINANCE_SIZE: attrName = "EGL_LUMINANCE_SIZE"; break;
       
    82 		case EGL_ALPHA_MASK_SIZE: attrName = "EGL_ALPHA_MASK_SIZE"; break;
       
    83 		case EGL_COLOR_BUFFER_TYPE: attrName = "EGL_COLOR_BUFFER_TYPE";
       
    84 			switch (aValue)
       
    85 				{
       
    86 				// EGL_COLOR_BUFFER_TYPE values
       
    87 				case EGL_RGB_BUFFER: valueName = "EGL_RGB_BUFFER"; break;
       
    88 				case EGL_LUMINANCE_BUFFER: valueName = "EGL_LUMINANCE_BUFFER"; break;
       
    89 				}
       
    90 			break;
       
    91 		case EGL_RENDERABLE_TYPE: attrName = "EGL_RENDERABLE_TYPE";
       
    92 			switch(aValue)
       
    93 				{
       
    94 				case 0: valueName = "EGL_NONE"; break;
       
    95 				case 1: valueName = "GL-ES"; break;
       
    96 				case 2: valueName = "VG"; break;
       
    97 				case 3: valueName = "VG | GL-ES"; break;
       
    98 				case 4: valueName = "GL-ES2"; break;
       
    99 				case 5: valueName = "GL-ES2 | GL-ES"; break;
       
   100 				case 6: valueName = "GL-ES2 | VG"; break;
       
   101 				case 7: valueName = "GL-ES2 | VG | GL-ES"; break;
       
   102 				case 8: valueName = "GL"; break;
       
   103 				case 9: valueName = "GL | GL-ES"; break;
       
   104 				case 10: valueName = "GL | VG"; break;
       
   105 				case 11: valueName = "GL | VG | GL-ES"; break;
       
   106 				case 12: valueName = "GL | GL-ES2"; break;
       
   107 				case 13: valueName = "GL | GL-ES2 | GL-ES"; break;
       
   108 				case 14: valueName = "GL | GL-ES2 | VG"; break;
       
   109 				case 15: valueName = "GL | GL-ES2 | VG | GL-ES"; break;
       
   110 				}
       
   111 			break;
       
   112 		case EGL_MATCH_NATIVE_PIXMAP: attrName = "EGL_MATCH_NATIVE_PIXMAP"; break; // Pseudo-attribute (not queryable)
       
   113 		case EGL_CONFORMANT: attrName = "EGL_CONFORMANT"; break;
       
   114 		case EGL_HEIGHT: attrName = "EGL_HEIGHT"; break;
       
   115 		case EGL_WIDTH: attrName = "EGL_WIDTH"; break;
       
   116 		case EGL_LARGEST_PBUFFER: attrName = "EGL_LARGEST_PBUFFER"; break;
       
   117 		case EGL_TEXTURE_FORMAT: attrName = "EGL_TEXTURE_FORMAT";
       
   118 			switch (aValue)
       
   119 				{
       
   120 				// config attribute values, for EGL_TEXTURE_FORMAT
       
   121 				case EGL_NO_TEXTURE: valueName = "EGL_NO_TEXTURE"; break;
       
   122 				case EGL_TEXTURE_RGB: valueName = "EGL_TEXTURE_RGB"; break;
       
   123 				case EGL_TEXTURE_RGBA: valueName = "EGL_TEXTURE_RGBA"; break;
       
   124 				case EGL_TEXTURE_2D: valueName = "EGL_TEXTURE_2D"; break;
       
   125 				}
       
   126 			break;
       
   127 		case EGL_TEXTURE_TARGET: attrName = "EGL_TEXTURE_TARGET"; break;
       
   128 		case EGL_MIPMAP_TEXTURE: attrName = "EGL_MIPMAP_TEXTURE"; break;
       
   129 		case EGL_MIPMAP_LEVEL: attrName = "EGL_MIPMAP_LEVEL"; break;
       
   130 		case EGL_RENDER_BUFFER: attrName = "EGL_RENDER_BUFFER";
       
   131 			switch (aValue)
       
   132 				{
       
   133 				// EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets
       
   134 				case EGL_BACK_BUFFER: valueName = "EGL_BACK_BUFFER"; break;
       
   135 				case EGL_SINGLE_BUFFER: valueName = "EGL_SINGLE_BUFFER"; break;
       
   136 				}
       
   137 			break;
       
   138 		case EGL_VG_COLORSPACE: attrName = "EGL_VG_COLORSPACE";
       
   139 			switch (aValue)
       
   140 				{
       
   141 				// OpenVG color spaces
       
   142 				case EGL_VG_COLORSPACE_sRGB: valueName = "EGL_VG_COLORSPACE_sRGB"; break;
       
   143 				case EGL_VG_COLORSPACE_LINEAR: valueName = "EGL_VG_COLORSPACE_LINEAR"; break;
       
   144 				}
       
   145 			break;
       
   146 		case EGL_VG_ALPHA_FORMAT: attrName = "EGL_VG_ALPHA_FORMAT";
       
   147 			switch (aValue)
       
   148 				{
       
   149 				// OpenVG alpha formats
       
   150 				case EGL_VG_ALPHA_FORMAT_NONPRE: valueName = "EGL_VG_ALPHA_FORMAT_NONPRE"; break;
       
   151 				case EGL_VG_ALPHA_FORMAT_PRE: valueName = "EGL_VG_ALPHA_FORMAT_PRE"; break;
       
   152 				}
       
   153 			break;
       
   154 		case EGL_HORIZONTAL_RESOLUTION: attrName = "EGL_HORIZONTAL_RESOLUTION"; break;
       
   155 		case EGL_VERTICAL_RESOLUTION: attrName = "EGL_VERTICAL_RESOLUTION"; break;
       
   156 		case EGL_PIXEL_ASPECT_RATIO: attrName = "EGL_PIXEL_ASPECT_RATIO"; break;
       
   157 		case EGL_SWAP_BEHAVIOR: attrName = "EGL_SWAP_BEHAVIOR"; break;
       
   158 		case EGL_MULTISAMPLE_RESOLVE: attrName = "EGL_MULTISAMPLE_RESOLVE"; break;
       
   159 		default: // unknown value - maybe buggy data or a later EGL version.  Debug prints include the hex anyway.
       
   160 			break;
       
   161 		}
       
   162 
       
   163 	if (aValue == EGL_NONE)
       
   164 		valueName = "EGL_NONE";
       
   165 	if (aAttrib == EGL_NONE)
       
   166 		attrName = "EGL_NONE";
       
   167 
       
   168 	*aAttrName = attrName;
       
   169 	*aValueName = valueName;
       
   170 	}
       
   171 
       
   172 // verbose debug logging of EGL Attibute Lists
       
   173 void TAttribUtils::TraceAttribList(const EGLint* aAttribList)
       
   174     {
       
   175     int length = 0;
       
   176     if (aAttribList)
       
   177         {
       
   178 		while (aAttribList[length] != EGL_NONE)
       
   179 			{
       
   180 			char* attrName = NULL;
       
   181 			char* valueName = NULL;
       
   182 			// try to get an attribute name string, and a description of the value
       
   183 			TraceAttribNames(aAttribList[length], aAttribList[length+1], &attrName, &valueName);
       
   184 			// print attribute & value as numbers, and also print a string name/description if one could be determined  
       
   185 			if (attrName)
       
   186 				{
       
   187 				if (valueName)
       
   188 					{
       
   189 					EGL_TRACE("  TraceAttribList aAttribList[%d]=0x%x (\"%s\"), aAttribList[%d]=0x%x (\"%s\")",
       
   190 							length, aAttribList[length], attrName, length+1, aAttribList[length+1], valueName);
       
   191 					}
       
   192 				else
       
   193 					{
       
   194 					EGL_TRACE("  TraceAttribList aAttribList[%d]=0x%x (\"%s\"), aAttribList[%d]=0x%x (%d)",
       
   195 							length, aAttribList[length], attrName, length+1, aAttribList[length+1], aAttribList[length+1]);
       
   196 					}
       
   197 				}
       
   198 			else
       
   199 				{
       
   200 				EGL_TRACE("  TraceAttribList aAttribList[%d]=0x%x, aAttribList[%d]=0x%x (%d)",
       
   201 						length, aAttribList[length], length+1, aAttribList[length+1], aAttribList[length+1]);			
       
   202 				}
       
   203 			length += 2;
       
   204 			}
       
   205         ++length;
       
   206         }
       
   207     }
       
   208 
       
   209 // verbose debug logging of EGL Get Attibute fn
       
   210 void TAttribUtils::TraceGetAttrib(char* aApiName, char* aObjType, EGLDisplay aDisplay, EGLint aObject, EGLint aAttribute, EGLint *aValue, EGLBoolean aResult)
       
   211 	{
       
   212 	char* attrName = NULL;
       
   213 	char* valueName = NULL;
       
   214 	if (aResult)
       
   215 		{
       
   216 		// try to get an attribute name string, and a description of the value
       
   217 		TraceAttribNames(aAttribute, *aValue, &attrName, &valueName);
       
   218 		// print attribute & value as numbers, and also print a string name/description if one could be determined  
       
   219 		if (attrName)
       
   220 			{
       
   221 			if (valueName)
       
   222 				{
       
   223 				EGL_TRACE("%s succeeded: aDisplay=%d, %s=%d,  aAttrib=0x%x (\"%s\"), aValue=0x%x (\"%s\")",
       
   224 						aApiName, aDisplay, aObjType, aObject, aAttribute, attrName, *aValue, valueName);			
       
   225 				}
       
   226 			else
       
   227 				{
       
   228 				EGL_TRACE("%s succeeded: aDisplay=%d, %s=%d,  aAttrib=0x%x (\"%s\"), aValue=0x%x (%d)",
       
   229 						aApiName, aDisplay, aObjType, aObject, aAttribute, attrName, *aValue, *aValue);			
       
   230 				}
       
   231 			}
       
   232 		else
       
   233 			{
       
   234 			EGL_TRACE("%s succeeded: aDisplay=%d, %s=%d,  aAttrib=0x%x, aValue=0x%x (%d)",
       
   235 					aApiName, aDisplay, aObjType, aObject, aAttribute, *aValue, *aValue);			
       
   236 			}
       
   237 		}
       
   238 	else
       
   239 		{
       
   240 		// try to get an attribute name string
       
   241 		TraceAttribNames(aAttribute, 0, &attrName, &valueName);
       
   242 		if (attrName)
       
   243 			{
       
   244 			EGL_TRACE("%s failed: aDisplay=%d, %s=%d, attribute=0x%x (\"%s\")",
       
   245 					aApiName, aDisplay, aObjType, aObject, aAttribute, attrName);
       
   246 			}
       
   247 		else
       
   248 			{
       
   249 			EGL_TRACE("%s failed: aDisplay=%d, %s=%d, attribute=0x%x",
       
   250 					aApiName, aDisplay, aObjType, aObject, aAttribute);
       
   251 			}
       
   252 		}
       
   253 	}
       
   254 
       
   255 
       
   256 // verbose debug logging of EGL Get Attibute fn
       
   257 void TAttribUtils::TraceSetAttrib(char* aApiName, char* aObjType, EGLDisplay aDisplay, EGLint aObject, EGLint aAttribute, EGLint aValue)
       
   258 	{
       
   259 	char* attrName = NULL;
       
   260 	char* valueName = NULL;
       
   261 	// try to get an attribute name string, and a description of the value
       
   262 	TraceAttribNames(aAttribute, aValue, &attrName, &valueName);
       
   263 	// print attribute & value as numbers, and also print a string name/description if one could be determined  
       
   264 	if (attrName)
       
   265 		{
       
   266 		if (valueName)
       
   267 			{
       
   268 			EGL_TRACE("%s: aDisplay=%d, %s=%d,  aAttrib=0x%x (\"%s\"), aValue=0x%x (\"%s\")",
       
   269 					aApiName, aDisplay, aObjType, aObject, aAttribute, attrName, aValue, valueName);			
       
   270 			}
       
   271 		else
       
   272 			{
       
   273 			EGL_TRACE("%s: aDisplay=%d, %s=%d,  aAttrib=0x%x (\"%s\"), aValue=0x%x (%d)",
       
   274 					aApiName, aDisplay, aObjType, aObject, aAttribute, attrName, aValue, aValue);			
       
   275 			}
       
   276 		}
       
   277 	else
       
   278 		{
       
   279 		EGL_TRACE("%s: aDisplay=%d, %s=%d,  aAttrib=0x%x, aValue=0x%x (%d)",
       
   280 				aApiName, aDisplay, aObjType, aObject, aAttribute, aValue, aValue);			
       
   281 		}
       
   282 	}
       
   283 
       
   284 
       
   285 #endif
       
   286