X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=retrace%2Fglstate_images.cpp;h=e5e14517dc299e78d65fe69e98899961bc18cec2;hb=db82d4062fd73362be2ceb66068720cab2814a74;hp=9bae85bba4861d73de6ef4ec9e723c3508ecb5d8;hpb=f2fc2ecd062473ff03e25e61866001c2d777d156;p=apitrace

diff --git a/retrace/glstate_images.cpp b/retrace/glstate_images.cpp
index 9bae85b..e5e1451 100644
--- a/retrace/glstate_images.cpp
+++ b/retrace/glstate_images.cpp
@@ -88,6 +88,31 @@ struct ImageDesc
 };
 
 
+/**
+ * Sames as enumToString, but with special provision to handle formatsLUMINANCE_ALPHA.
+ *
+ * OpenGL 2.1 specification states that "internalFormat may (for backwards
+ * compatibility with the 1.0 version of the GL) also take on the integer
+ * values 1, 2, 3, and 4, which are equivalent to symbolic constants LUMINANCE,
+ * LUMINANCE ALPHA, RGB, and RGBA respectively". 
+ */
+const char *
+formatToString(GLenum internalFormat) {
+    switch (internalFormat) {
+    case 1:
+        return "GL_LUMINANCE";
+    case 2:
+        return "GL_LUMINANCE_ALPHA";
+    case 3:
+        return "GL_RGB";
+    case 4:
+        return "GL_RGBA";
+    default:
+        return enumToString(internalFormat);
+    }
+}
+
+
 /**
  * OpenGL ES does not support glGetTexLevelParameteriv, but it is possible to
  * probe whether a texture has a given size by crafting a dummy glTexSubImage()
@@ -384,17 +409,17 @@ dumpActiveTextureLevel(JSONWriter &json, Context &context, GLenum target, GLint
     // Tell the GUI this is no ordinary object, but an image
     json.writeStringMember("__class__", "image");
 
-    json.writeNumberMember("__width__", desc.width);
-    json.writeNumberMember("__height__", desc.height);
-    json.writeNumberMember("__depth__", desc.depth);
+    json.writeIntMember("__width__", desc.width);
+    json.writeIntMember("__height__", desc.height);
+    json.writeIntMember("__depth__", desc.depth);
 
-    json.writeStringMember("__format__", enumToString(desc.internalFormat));
+    json.writeStringMember("__format__", formatToString(desc.internalFormat));
 
     // Hardcoded for now, but we could chose types more adequate to the
     // texture internal format
     json.writeStringMember("__type__", "uint8");
     json.writeBoolMember("__normalized__", true);
-    json.writeNumberMember("__channels__", channels);
+    json.writeIntMember("__channels__", channels);
 
     GLubyte *pixels = new GLubyte[desc.depth*desc.width*desc.height*channels];
 
@@ -411,7 +436,7 @@ dumpActiveTextureLevel(JSONWriter &json, Context &context, GLenum target, GLint
     json.beginMember("__data__");
     char *pngBuffer;
     int pngBufferSize;
-    image::writePixelsToBuffer(pixels, desc.width, desc.height, channels, true, &pngBuffer, &pngBufferSize);
+    image::writePixelsToBuffer(pixels, desc.width, desc.depth * desc.height, channels, true, &pngBuffer, &pngBufferSize);
     json.writeBase64(pngBuffer, pngBufferSize);
     free(pngBuffer);
     json.endMember(); // __data__
@@ -834,17 +859,17 @@ dumpReadBufferImage(JSONWriter &json, GLint width, GLint height, GLenum format,
     // Tell the GUI this is no ordinary object, but an image
     json.writeStringMember("__class__", "image");
 
-    json.writeNumberMember("__width__", width);
-    json.writeNumberMember("__height__", height);
-    json.writeNumberMember("__depth__", 1);
+    json.writeIntMember("__width__", width);
+    json.writeIntMember("__height__", height);
+    json.writeIntMember("__depth__", 1);
 
-    json.writeStringMember("__format__", enumToString(internalFormat));
+    json.writeStringMember("__format__", formatToString(internalFormat));
 
     // Hardcoded for now, but we could chose types more adequate to the
     // texture internal format
     json.writeStringMember("__type__", "uint8");
     json.writeBoolMember("__normalized__", true);
-    json.writeNumberMember("__channels__", channels);
+    json.writeIntMember("__channels__", channels);
 
     GLenum type = GL_UNSIGNED_BYTE;